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document number: dod-pd-0306 (2nd edition) published date: december 2003 cp(n) ? nec lcd technologies, ltd. 2003 all rights reserved. 1 this preliminary data sheet is updated document from dod-pd-0258(1). all information is subject to change without notice. please confirm the sales representative before starting to design your system. tft color lcd module NL10276BC30-24D 38.0cm (15.0 type) xga lvds interface (1 port) preliminary data sheet dod-pd-0306 (2nd edition) www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 2 introduction no part of this document shall be copied in any fo rm or by any means without the prior written consent of nec lcd technologies, ltd. (hereinafter called "nec"). nec does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a product described herein or any other liability arising from use of such application. no license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec or of others. while nec has been making continuous effort to e nhance the reliability of its products, the possibility of failures cannot be eliminated entirely. to minimize risks of damage to property or injury to person arising from a failure in an nec product, customers mu st incorporate sufficient safety measures in their design, such as redundancy, fire-containment and anti-failure features. nec products are classified into the following three quality grades: "standard" , "special" , "specific" the "specific" quality grade applies only to applications developed based on a customer designated "quality assurance program" for a specific application. the recommended applications of a product depend on its quality grade, as indicated below. customers must check the quality grade of each application before using it in a particular application. standard: computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots special: transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) specific: military systems, aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems (medical equipment, etc.) and any other equipment the quality grade of this product is "standard" unless otherwise specified in this document. if customers intend to use this product for applications other than those specified for "standard" quality grade, they should contact nec sales representative in advance. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 3 contents introduction ................................................................................................................... ...................................... 2 1. outline ..................................................................................................................... ............................................. 5 1.1 structure and principle.................................................................................................... .................... 5 1.2 application................................................................................................................ .................................... 5 1.3 features................................................................................................................... ....................................... 5 2. general spe cifica tions...................................................................................................... ........................... 6 3. block diagram............................................................................................................... ................................... 7 4. detailed specifications..................................................................................................... ........................... 8 4.1 mechanical specifications 4.1.............................................................................................. ............... 8 4.2 absolute maximum ratings ................................................................................................... .............. 8 4.3 electrical ch aracteristics................................................................................................. ............... 9 4.3.1 signal processing board for driving lcd panel ............................................................................ ............... 9 4.3.2 backlight lamp........................................................................................................... ................................. 10 4.3.3 power supply voltage ripple.............................................................................................. ...........................11 4.3.4 fuses .................................................................................................................... ........................................11 4.4 power supply voltage sequence .............................................................................................. ....... 12 4.4.1 sequence for lcd panel signal proce ssing board ........................................................................... ........... 12 4.4.2 sequence for backlight inverter .......................................................................................... ........................ 12 4.5 connections and function s for interf ace pins...................................................................... 13 4.5.1 lcd panel signal processing board ........................................................................................ .................... 13 4.5.2 backlight lamp........................................................................................................... ................................. 14 4.5.3 positions of plug and socket ............................................................................................. .......................... 14 4.5.4 connection between receiver and transmitte r for lvds ..................................................................... ....... 15 4.6 display colors and input data signals ...................................................................................... .16 4.7 input signal timings for lcd panel signal processing board ........................................ 17 4.7.1 outline of input signal timings .......................................................................................... ......................... 17 4.7.2 timing characteristics ................................................................................................... .............................. 18 4.7.3 input signal timing chart ................................................................................................ ............................. 19 4.7.4 display positions........................................................................................................ ....................... 20 4.7.5 scanning directions ...................................................................................................... ................. 20 4.7.6 ddc function............................................................................................................. ................................. 21 4.8 optics..................................................................................................................... ......................................... 22 4.8.1 optical characteristics.................................................................................................. ............................... 22 4.8.2 definition of contrast ratio............................................................................................. ............................. 23 4.8.3 definition of lumi nance unifo rmity ....................................................................................... ..................... 23 4.8.4 definition of response times ............................................................................................. .......................... 23 4.8.5 definition of viewing angles............................................................................................. .......................... 23 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 4 contents 5. reliability tests ........................................................................................................... ................................. 24 6. precautions................................................................................................................. ..................................... 25 6.1 meaning of caution signs ................................................................................................... ................ 25 6.2 cautions ................................................................................................................... .................................... 25 6.3 attentions ................................................................................................................. .................................. 25 6.3.1 handling of the product .................................................................................................. ............................ 25 6.3.2 environment.............................................................................................................. .................................. 26 6.3.3 characteristics.......................................................................................................... ................................... 26 6.3.4 other .................................................................................................................... ....................................... 26 7. outline drawings............................................................................................................ .............................. 27 7.1 front view ................................................................................................................. .................................. 27 7.2 rear view .................................................................................................................. ................................... 28 revision history............................................................................................................... .................................. 29 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 5 1. outline 1.1 structure and principle color lcd module NL10276BC30-24D is composed of the amorphous silicon thin film transistor liquid crystal display (a-si tft lcd) panel structure with driver lsis for driving the tft (thin film transistor) array and a backlight. the a-si tft lcd panel structure is injected liquid crystal material into a narrow gap between the tft array glass substrate and a color-filter glass substrate. color (red, green, blue) data signals from a host system (e.g. pc, signal generator, etc.) are modulated into best form for active matrix system by a signal processing board, and sent to the driver lsis which drive the individual tft arrays. the tft array as an electro-optical switch regulates the amount of transmitted light from the backlight assembly, when it is controlled by data signals. color images are created by regulating the amount of transmitted light through the tft array of red, green and blue dots. 1.2 application ? notebook pc 1.3 features ? lvds interface ? high luminance ? wide viewing angle ? high contrast ? wide color gamut ? edge light type backlight note1 note1: backlight is not replaceable by customers. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 6 2. general specifications display area 304.128 (h) 228.096 (v) mm (typ.) diagonal size of display 38.0 cm (15.0 inches) drive system a-si tft active matrix display color 262,144 colors pixel 1,024 (h) 768 (v) pixels pixel arrangement rgb (red dot, green dot, blue dot) vertical stripe dot pitch 0.099 (h) 0.297 (v) mm pixel pitch 0.297 (h) 0.297 (v) mm module size 317.3 (w) 242.2 (h) 9.8 (d) mm (typ.) weight tbd g (typ.) contrast ratio 400:1 (typ.) viewing angle at the contrast ratio 10:1 ? horizontal: right side 60 (typ.), left side 60 (typ.) ? vertical: up side 40 (typ.), down side 60 (typ.) designed viewing direction viewing angle with optimum grayscale ( =2.2): normal axis polarizer surface clear hard coat + low reflection polarizer pencil-hardness 2h (min.) [by jis k5400] color gamut at lcd panel center 72% (typ.) [against ntsc color space] response time ton+toff (white90% black10%) tbd ms (typ.) luminance at lamp current ibl= 6.0marms / lamp 320 cd/m 2 (typ.) signal system 1port lvds (receiver: thc63lvdf84a , thine electronics inc. or equivalent) [ 6bit digital signals for data of rgb colors, dot clock (clk), data enable (de) ] power supply voltage lcd panel signal processing board: 3.3v backlight edge light type: 2 cold cathode fluorescent lamps (without inverter) power consumption at lamp current ibl=6.0marms / lamp and checkered flag pattern tbd w (typ., power dissipation of the inverter does not include.) www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 7 3. block diagram note1: gnd (signal ground) and fg (frame ground) are connected in the product. 2 lamps backlight (edge light type) vblh vblc vblh metallic frame of lamp holder lcd panel signal processing board host 3,072 lines lcd panel h: 1,024 3 (r, g, b) v: 768 768 lines vcc gnd dc/dc converter lcd module (product) fuse h-driver fg rin0+ rin 0- rin 1+ rin 1- rin 2+ rin 2- 100 ? 100 ? 100 ? clkin+ clkin- 100 ? note1 controller with receiver for lvds v-driver power supply for gradation v edid clk edid ddc rom data edid 10k ? 10k ? www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 8 4. detailed specifications 4.1 mechanical specifications 4.1 parameter specification unit module size 317.3 0.5 (w) 242.2 tbd (h) 9.8 tbd (d) note1 mm display area 304.128 (h) 228.096 (v) note1 mm weight tbd (typ.), tbd (max.) g note1: see " 7. outline drawings ". 4.2 absolute maximum ratings parameter symbol rating unit remarks lcd panel signal processing board vcc -0.3 to +4.0 v ddc (edid) rom v edid -0.3 to +6.5 v power supply voltage lamp voltage vblh tbd vrms display signals note1 vd -0.3 to vcc+0.3 v input voltage for signals function signal note2 vf -0.3 to v edid +0.3 v ta = 25 c storage temperature tst -20 to +60 c - topf 0 to +50 c note3 operating temperature topr 0 to +50 c note4 95 % ta 40 c relative humidity note5 rh 85 % 40 < ta 50 c absolute humidity note5 ah 73 note6 g/m 3 ta > 50 c note1: display signals are rin0+/-, rin1+/-, rin2+/- and clkin+/-. note2: function signal is data edid , clk edid note3: measured at center of lc d panel surface (including self-heat) note4: measured at center of lcd module's rear shield surface (including self-heat) note5: no condensation note6: ta = 55c, rh = 85% www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 9 4.3 electrical characteristics 4.3.1 signal processing board for driving lcd panel (ta = 25 c) parameter symbol min. typ. max. unit remarks power supply voltage vcc 3.0 3.3 3.6 v - power supply current icc - tbd note1 tbd note2 ma at vcc=3.3v permissible ripple voltage vrp - - 100 mvp-p for vcc high vth - - +100 mv differential input threshold voltage for lvds receiver low vtl -100 - - mv at vcm=1.2v note3 termination resistor rt - 100 - ? - power supply voltage for ddc v edid 1.8 - 5.5 v - high vfih 0.7vcc - - v input voltage for ddc signal low vfil - - 0.3vcc v 1.8v v edid < 5.5v output voltage for ddc signal low vfol - - 0.4 v at ifol= 3.0ma and v edid =2.5v note1: checkered flag pattern [by eiaj ed-2522] note2: pattern for maximum current note3: common mode voltage for lvds receiver www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 10 4.3.2 backlight lamp (ta=25 c, note1) parameter symbol min. typ. max. unit remarks lamp current ibl 3.5 6.0 6.5 marms at ibl=6.0marms: 320cd/m 2 note3, note4 lamp voltage vblh - tbd - vrms note2,note3 tbd - - vrms ta = 25 c note2, note3 lamp starting voltage vs 1,500 - - vrms ta = 0 c note2, note3 lamp oscillation frequency fo 40 - 60 khz note5 note1: this product consists of 2 backlight lamps, and these specifications are for each lamp. note2: the lamp voltage cycle between lamps should be kept on a same phase. "vs" and "vblh" are the voltage value between low voltage side (cold) and high voltage side (hot). note3: the asymmetric ratio of working waveform for lamps (lamp voltage peak ratio, lamp current peak ratio and waveform space ratio) should be less than 5 % (see the following figure.). if the waveform is asymmetric, dc (d irect current) element apply into the lamp. in this case, a lamp lifetime may be shortene d, because a distribution of a lamp enclosure substance inclines toward one side between low voltage terminal (cold terminal) and high voltage terminal (hot terminal). pa: supply voltage/current peak for positive, pb: supply voltage/current peak for negative sa: waveform space for positive part, sb : waveform space for negative part note4: this product consists of 2 lamps. 2 lamps contain in the 1 lamp holder, and both lamps are connected to 1 low voltage cable. lamp current must be 6.0marms typical for each lamp, and sum of 2 lamps must be 12marms typical. the lamp current should be measured by high-frequency current meter at the low voltage terminal. note5: in case "fo" is not the recommended value, beat noise may display on the screen, because of interference between "fo" and "1/th". recommended value of "fo" is as following. th: horizontal cycle period (see " 4.7.2 timing characteristics ".) n: natural number (1, 2, 3 ???????? ) note6: method of lamp cable installation may invite fluctuation of lamp current and voltage or asymmetric of lamp working waveform. when design the backlight inverter, evaluate the fluctuation of lamp current and voltage or asymmetric of lamp working waveform sufficiently. fo = 1 4 1 th (2n-1) pa pb sa sb 0 ? pa - pb ? pb 100 5 % ? sa - sb ? sb 100 5 % www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 11 4.3.3 power supply voltage ripple this product works, even if the ripple voltage levels are beyond the permissible values as following the table, but there might be noise on the display image. parameter power supply voltage ripple voltage note1 (measure at input terminal of power supply) unit vcc 3.3 v 100 mvp-p note1: the permissible ripple voltage includes spike noise. 4.3.4 fuses fuse parameter type supplier rating fusing current remarks tbd vcc tbd tbd tbd tbd note1 note1: the power supply capacity should be more than the fusing current. if the power supply capacity is less than the fusing current, the fuse may not blow for a short time, and then nasty smell, smoking and so on may occur. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 12 4.4 power supply voltage sequence 4.4.1 sequence for lcd panel signal processing board * these signals should be measured at the terminal of 100 ? resistance. note1: in terms of voltage variation (voltage drop) while vcc rising edge is below 3.0v, a protection circuit may work, and then this product may not work. note2: display signals (rin0+/-, rin1+/-, rin2+/- and clkin+/-) must be low or high-impedance, exclude the valid period (see above sequence diagram), in order to avoid that internal circuits is damaged. if some of display and function signals of this product are cut while this product is working, even if the signal input to it once again, it might not work normally. if customer stops the display and function signals, they should be cut vcc. 4.4.2 sequence for backlight inverter note1: these are the display and function signals for lcd panel signal processing board. note2: the backlight inverter voltage (vddb) should be inputted within the valid period of display and function signals, in order to avoid unstable data display. 0ms < t < 35ms valid period off 0ms < t < 35ms on 3.0v 0v 10 s tr < 50ms vcc note1 display signals* note2 toff 100ms 0v 0.3v display and function signals note1 vddb valid period note2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 13 4.5 connections and functions for interface pins 4.5.1 lcd panel signal processing board cn1 socket (lcd module side): fi-xb30sl-hf10 (j apan aviation electronics industry limited (jae)) adaptable plug: fi-x30 ? (japan aviation electronics industry limited (jae)) no. signal function remarks 1 gnd ground connect to system ground. 2 vcc power supply 3.3v 0.3v 3 vcc power supply 3.3v 0.3v supply +3.3v. 4 v edid ddc 3.3v - 5 n.c. no connection (reserved) keep this pin open. 6 clk edid ddc clock - 7 data edid ddc data - 8 rin0- lvds differential data input 9 rin0+ lvds differential data input note1 10 gnd ground connect to system ground. 11 rin1- lvds differential data input 12 rin1+ lvds differential data input note1 13 gnd ground connect to system ground. 14 rin2- lvds differential data input 15 rin2+ lvds differential data input note1 16 gnd ground connect to system ground. 17 clkin- lvds differential clock input 18 clkin+ lvds differential clock input note1 19 gnd ground connect to system ground. 20 n.c. no connection 21 n.c. no connection keep this pin open. 22 gnd ground connect to system ground. 23 n.c. no connection 24 n.c. no connection keep this pin open. 25 gnd ground connect to system ground. 26 n.c. no connection 27 n.c. no connection keep this pin open. 28 gnd ground connect to system ground. 29 n.c. no connection 30 n.c. no connection keep this pin open. note1: twist pair wires with 100 ? (characteristic impedance) should be connected between lcd panel signal processing board and lvds transmitter. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 14 4.5.2 backlight lamp attention: vblh and vblc must be connected co rrectly. if customer connects wrongly, customer will be hurt and the module will be broken. cn2 plug (lcd module side): bhr-04vs-1 (j.s.t mfg. co., ltd.) adaptable socket: sm04 (4.0) b-bhs-1-tb (j.s.t mfg. co., ltd.) pin no. symbol function remarks 1 vblh high voltage (hot) cable color: white 2 vblh high voltage (hot) cable color: white 3 n.c. no connection keep this pin open 4 vblc low voltage (cold) cable color: gray 4.5.3 positions of plug and socket insert direction cn2 1 low voltage (cold) high voltage (hot) rear side 2 4 cn1 1 30 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 15 4.5.4 connection between receiver and transmitter for lvds note1: recommended transmitter thc63lvdm83r (thine electronics inc.) or equivalent note2: r0, g0, b0?lsb (least significant bit), r5, g5, b5? msb (most significant bit) note3: twist pair wires with 100 ? (characteristic impedance) should be connected between lcd panel signal processing board and lvds transmitter. lvds transmitter thc63lvdm83r or equivalent note1 lcd panel signal processing board host lcd module (product) gnd vcc vcc rin0- rin0+ gnd rin1- rin1+ gnd rin2- rin2+ gnd clkin- clkin+ gnd gnd gnd gnd ta0 ta1 ta2 ta3 ta4 ta5 ta6 tb0 tb1 tb2 tb3 tb4 tb5 tb6 tc0 tc1 tc2 tc3 tc4 tc5 tc6 td0 td1 td2 td3 td4 td5 clk in ta- ta+ tb- tb+ tc- tc+ tclk- tclk+ 1 2 3 8 9 10 11 12 13 14 15 16 17 18 19 22 25 28 gnd cn1 gnd ra- ra+ rb- rb+ rc- rc+ rclk- rclk+ lcd controller gnd signal processor vcc lvds receiver equivalent of thc63lvdf84a note3 r0 r1 r2 r3 r4 r5 g0 g1 g2 g3 g4 g5 b0 b1 b2 b3 b4 b5 gnd gnd de gnd gnd gnd gnd gnd gnd clk vcc gnd note2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 16 4.6 display colors and input data signals this product can display in equivalent to 262,144 colors in 64 scale. also the relation between display colors and input data signals is as the following table. data signal (0: low level, 1: high level) display colors r5 r4 r3 r2 r1 r0 g5 g4 g3 g2 g1 g0 b5 b4 b3 b2 b1 b0 basic colors black blue red magenta green cyan yellow white 000000 000000 111111 111111 000000 000000 111111 111111 000000 000000 000000 000000 111111 111111 111111 111111 000000 111111 000000 111111 000000 111111 000000 111111 red scale black dark bright red 000000 000001 000010 : : 111101 111110 111111 000000 000000 000000 : : 000000 000000 000000 000000 000000 000000 : : 000000 000000 000000 green scale black dark bright green 000000 000000 000000 : : 000000 000000 000000 000000 000001 000010 : : 111101 111110 111111 000000 000000 000000 : : 000000 000000 000000 blue scale black dark bright blue 000000 000000 000000 : : 000000 000000 000000 000000 000000 000000 : : 000000 000000 000000 000000 000001 000010 : : 111101 111110 111111 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 17 4.7 input signal timings for lcd panel signal processing board 4.7.1 outline of input signal timings ? horizontal signal ? vertical signal note1: this diagram indicates virtual signal for set up to timing. note2: see " 4.7.3 input signal timing chart " for numeration of pulse. display period horizontal display period (thd) de (data enable) note1 vertical display period (tvd) 1 2 34 768 display period de (data enable) note2 note1 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 18 4.7.2 timing characteristics parameter symbol min. typ. max. unit remarks frequency 1/ tc 60.0 65.0 68.0 mhz 15.385 ns (typ.) duty - - clk rise time, fall time - - ns note2 setup time - ns clk-data hold time - ns data rise time, fall time - - ns note2 19.67 20.676 22.4 s cycle th - 1,344 - clk horizontal display period thd 1,024 clk 48.363 khz (typ.) note1, note2, note3 13.3 16.666 18.5 ms cycle tv 780 806 - h vertical (one frame) display period tvd 768 h 60.0 hz (typ.) note1 setup time - ns clk-de hold time - ns de rise time, fall time - - ns note2 note1: definition of parameters is as follows. tc = 1clk, th = 1h note2: see the data sheet of lvds transmitter. note3: "th" must keep the fluctuation within 1 clk, because of avoidance of image sticking. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 19 4.7.3 input signal timing chart horizontal timing vertical timing invalid 1 2 1023 1024 clk de data (r0-r5) (g0-g5) (b0-b5) invalid thd th de data (r0-r5) (g0-g5) (b0-b5) invalid invalid 1 2 767 768 tvd tv www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 20 4.7.4 display positions the following table is the coordinates per pixel (see " 4.7.5 scanning directions ".). c( 0, 0) c( 1, 0) ? ? ? c( x, 0) ? ? ? c(1022, 0) c(1023, 0) c( 0, 1) c( 1, 1) ? ? ? c( x, 1) ? ? ? c(1022, 1) c(1023, 1) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? c( 0, y) c( 1, y) ? ? ? c( x, y) ? ? ? c(1022, y) c(1023, y) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? c( 0,766) c( 1,766) ? ? ? c( x, 766) ? ? ? c(1022,766) c(1023,766) c( 0,767) c( 1,767) ? ? ? c( x, 767) ? ? ? c(1022,767) c(1023,767) 4.7.5 scanning directions the following figure is seen from a front view. also the arrow shows the direction of scan. note1: meaning of c (x, y) and d (x, y) c (x, y): the coordinates of the display position (see " 4.7.4 display positions ".) d (x, y): the data number of input signal for lcd panel signal processing board note1 c (0,0) d (0,0) c (0,767) d (0,767) c (1023,767) d (1023,767) c (1023,0) d (1023,0) n e c figure 1. scanning direction www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 21 4.7.6 ddc function this product has a memory (24lc21a, microchip technology inc. or equivalent) to write the edid for the ddc. the internal equivalent circuit is following figure. control method and usage are according to spwg (corresponding to version 2) and ic specifications. ddc: display data channel edid: extended display identification data spwg: standard panels working group v edid clk edid data edid vcc wp scl sda 24lc21a, microchip technology inc. or equivalent cn1 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 22 4.8 optics 4.8.1 optical characteristics (note1,note2) parameter condition symbol min. typ. max. unit measuring instrument remarks luminance white at center r = 0 , l = 0 , u = 0 , d = 0 l tbd 320 - cd/m 2 bm-5a - contrast ratio white/black at center r = 0 , l = 0 , u = 0 , d = 0 cr tbd 400 - - bm-5a note3 luminance uniformity - lu - 1.25 1.40 - bm-5a note4 x coordinate wx 0.283 0.313 0.343 - white y coordinate wy 0.299 0.329 0.359 - x coordinate rx - tbd - - red y coordinate ry - tbd - - x coordinate gx - tbd - - green y coordinate gy - tbd - - x coordinate bx - tbd - - chromaticity blue y coordinate by - tbd - - color gamut r = 0 , l = 0 , u = 0 , d = 0 at center, against ntsc color space c tbd 72 - % sr-3 note5 black to white ton - tbd tbd ms response time white to black toff - tbd tbd ms bm-5a note6 note7 right u = 0 , d = 0 , cr 10 r tbd 60 - left u = 0 , d = 0 , cr 10 l tbd 60 - up u = 0 , d = 0 , cr 10 u tbd 40 - viewing angle down u = 0 , d = 0 , cr 10 d tbd 60 - bm-5a note8 note1: these are initial characteristics. note2: measurement conditions are as follows. ta = 25 c, vcc = 3.3v, ibl = 6.0marms/lamp, display mode: xga, horizontal cycle = 48.363khz, vertical cycle = 60.0hz optical characteristics are measur ed at luminance saturation after 20minutes from working the product, in the dark room. also measurement method for luminance is as follows. note3: see " 4.8.2 definition of contrast ratio ". note4: see " 4.8.3 definition of luminance uniformity ". note5: these coordinates are found on cie 1931 chromaticity diagram. note6: product surface temperature: topf = tbd c note7: see " 4.8.4 definition of response times ". note8: see " 4.8.5 definition of viewing angles ". photodetector (topcon bm-5a, sr-3) 50cm 1 lcd module (product) www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 23 4.8.2 definition of contrast ratio the contrast ratio is calculated by using the following formula. luminance of white screen luminance of black screen 4.8.3 definition of luminance uniformity the luminance uniformity is calculated by using following formula. maximum luminance from to minimum luminance from to the luminance is measured at near the 5 points shown below. 4.8.4 definition of response times response time is measured, the luminance changes from "white" to "black", or "black" to "white" on the same screen point, by photo-detector. ton is the time it takes the luminance change from 90% down to 10%. also toff is the time it takes the luminance change from 10% up to 90% (see the following diagram.). 4.8.5 definition of viewing angles contrast ratio (cr) = luminance uniformity (lu) = 171 512 853 128 384 640 100% 90% 10% 0% ton toff luminance white black left upper lower normal axis (perpendicular) d www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 24 5. reliability tests test item condition judgment high temperature and humidity (operation) 50 2 c, rh = 85%, 240hours display data is white. heat cycle (operation) 0 3 c 1hour 55 3 c 1hour 50cycles, 4hours/cycle display data is white. thermal shock (non operation) -20 3 c 30minutes 60 3 c 30minutes 100cycles, 1hour/cycle temperature transition time is within 5 minutes. esd (operation) 150pf, 150 ? , 10kv 9 places on a panel surface note2 10 times each places at 1 sec interval dust (operation) sample dust: no.15 (by jis-z8901) 15 seconds stir 8 times repeat at 1 hour interval no display malfunctions note1 vibration (non operation) 5 to 100hz, 19.6m/s 2 1 minute/cycle x, y, z direction 120 times each directions mechanical shock (non operation) 539m/ s 2 , 11ms x, y, z direction 5 times each directions no display malfunctions no physical damages note1 note1: display and appearance are checked under environmental conditions equivalent to the inspection conditions of defect criteria. note2: see the following figure for discharge points. ? ? ? ? ? ? ? ? ? www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 25 6. precautions 6.1 meaning of caution signs the following caution signs have very important meaning. be sure to read "6.2 cautions" and "6.3 attentions", after understanding these contents! ! this sign has the meaning that customer wi ll be injured by himself or the product will sustain a damage, if customer has wrong operations. this sign has the meaning that customer will get an electrical s hock, if customer has wrong operations. this sign has the meaning that customer will be injured by himself, if customer has wrong operations. 6.2 cautions ? do not touch the working backlight. customer will be in danger of an electric shock. ? do not touch the working backlight. customer will be in danger of burn injury. ? do not shock and press the lcd panel and the backlight! there is a danger of breaking, because they are made of glass. (shock: to be not greater 539m/s 2 and to be not greater 11ms, pressure: to be not greater 19.6 n) 6.3 attentions ! 6.3.1 handling of the product take hold of both ends without touch the circuit board cover when customer pulls out products (lcd modules) from inner packing box. if customer touches it, products may be broken down or out of adjustment, because of stress to mounting parts. do not hook cables nor pull connection cables such as lamp cable and so on, for fear of damage. if customer puts down the product temporarily, the product puts on flat subsoil as a display side turns down. take the measures of electrostatic discharge such as earth band, ionic shower and so on, when customer deals with the product, because products may be damaged by electrostatic. the torque for mounting screws must never exceed tbd n ? m. higher torque values might result in distortion of the bezel. the product must be installed using mounting holes without undue stress such as bends or twist (see outline drawings). and do not add undue stress to any portion (such as bezel flat area) except mounting hole portion. bends or twist described above and undue stress to any portion except mounting hole portion may cause display un-uniformity. do not press or rub on the sensitive display surf ace. if customer clean on the panel surface, nec recommends using the cloth with ethanolic liquid such as screen cleaner for lcd. do not push-pull the interface connectors while the product is working, because wrong power sequence may break down the product. do not bend or unbend the lamp cable at the near part of the lamp holding rubber, to avoid the damage for high voltage side of the lamp. this damage may cause a lamp breaking and abnormal operation of high voltage circuit. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 26 6.3.2 environment do not operate or store in high temperature, high humidity, dewdrop atmosphere or corrosive gases. keep the product in antistatic pouch in room temp erature, because of avoidance for dusts and sunlight, if customer stores the product. in order to prevent dew condensation occurring by temperature difference, the product packing box must be opened after leave under the environment of an unpacking room temperature enough. because a situation of dew condensation occurring is changed by the environmental temperature and humidity, evaluate the leaving time sufficiently. (recommendation leaving time: 6 hour or more with packing state) do not operate in high magnetic field. circuit boards may be broken down by it. this product is not designed as radiation hardened. use an original protection sheet on the product surface (polarizer). adhesive type protection sheet should be avoided, because it may change color or properties of the polarizer. 6.3.3 characteristics the following items are neither defects nor failures. response time, luminance and color may be changed by ambient temperature. the lcd may be seemed luminance non-uniformity, flicker, vertical seam or small spot by display patterns. optical characteristics (e.g. luminance, display uniformity, etc.) gradually is going to change depending on operating time, and especially low te mperature, because the lcd has cold cathode fluorescent lamps. do not display the fixed pattern for a long time because it may cause image sticking. use a screen saver, if the fixed pattern is displayed on the screen. the display color may be changed by viewing angle because of the use of condenser sheet in the backlight. optical characteristics may be changed by input signal timings. the interference noise of input signal frequency for this product's signal processing board and luminance control frequency of customer's backlight inverter may appear on a display. set up luminance control frequency of backlight inverter so that the interference noise does not appear. 6.3.4 other all gnd, backlight inverter ground (gndb), vc c and backlight inverter power supply voltage (vddb) terminals should be used without a non-connected line. do not disassemble a product or adjust variable resistors without permission of nec. pay attention not to insert waste materials inside of products, if customer uses screwnails. pack the product with original shipping package, because of avoidance of some damages during transportation, when customer returns it to nec for repair and so on. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 27 7. outline drawings 7.1 front view unit: mm note1: the values in parentheses are for reference. 2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 28 7.2 rear view unit: mm www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC30-24D preliminary data sheet dod-pd- 0306(2nd edition) 29 revision history the inside of latest specifications is revised to the clerical error and the major improvement of previous edition. only a changed part such as functions, characteristic value and so on that may affect a design of customers, are described especially below. edition documen t number prepared date revision contents and signature 1st edition dod-pd- 0258 nov.7, 2003 revision contents new issue 2nd edition dod-pd- 0306 dec.5, 2003 revision contents p27, p28 outline drawings are revised. approved by t. ito checked by prepared by r. kawashima signature of writer r. kawashima approved by checked by prepared by signature of writer t. ito www.datasheet.co.kr datasheet pdf - http://www..net/

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