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document number: dod-m-1348 (2nd edition) published date: march 2003 n cp(n) ? nec corporation 2002, 2003 all rights reserved. 1 this data sheet is updated document from preliminary data sheet dod-m-1289(1). all information is subject to change without notice. please confirm the sales representative before starting to design your system. tft color lcd module NL10276BC20-07Y 26.3cm (10.4 type) xga preliminary data sheet dod-m-1348 (2nd edition) www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 2 introduction no part of this document shall be copied in any form or by any means without the prior written consent of nec corporation. nec corporation 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 corporation or of others. while nec corporation has been making continuous effort to enhance 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 must 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 corporation sales representative in advance. www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 3 contents introduction ................................................................................................................... .......................2 1. outline..................................................................................................................... ...............................4 1.1 structure and principle.................................................................................................... .......4 1.2 applications............................................................................................................... ......................4 1.3 features................................................................................................................... ..........................4 2. general specifications ...................................................................................................... ..........5 3. block diagram ............................................................................................................... ....................6 4. detailed specifications ..................................................................................................... ..........7 4.1 mechanical specifications.................................................................................................. ....7 4.2 absolute maximum ratings ................................................................................................... .7 4.3 electrical characteristics................................................................................................. ..8 4.3.1 driving for lcd panel signal processing board ............................................................................ 8 4.3.2 working for backlight lamp ............................................................................................... ............8 4.3.3 power supply voltage ripple.............................................................................................. .............9 4.3.4 fuse..................................................................................................................... ...........................9 4.4 power supply voltage sequence ........................................................................................10 4.4.1 sequence for lcd panel signal processing board .......................................................................10 4.4.2 sequence for backlight inverter (option)................................................................................. ....10 4.5 connections and functions for interface pins......................................................... 11 4.5.1 lcd panel signal processing board ........................................................................................ ..... 11 4.5.2 backlight lamp........................................................................................................... ..................12 4.5.3 positions of a plug and a socket......................................................................................... ..........12 4.5.4 connection between receiver and transmitter for lvds .............................................................13 4.6 display colors and input data signals ..........................................................................14 4.7 display positions.......................................................................................................... ...............15 4.8 scanning directions ........................................................................................................ .........15 4.9 input signal timings for lcd panel signal processing board ...........................16 4.9.1 outline of input signal timings .......................................................................................... ..........16 4.9.2 detailed input signal timing chart for de mode ..........................................................................1 6 4.9.3 timing characteristics ................................................................................................... ...............17 4.10 optics.................................................................................................................... ...........................18 4.10.1 optical characteristics................................................................................................. ...............18 4.10.2 definition of contrast ratio............................................................................................ .............19 4.10.3 definition of luminance uniformity ...................................................................................... .....19 4.10.4 definition of response times ............................................................................................ ..........19 4.10.5 definition of viewing angles............................................................................................ ..........19 5. precautions ................................................................................................................. ......................20 5.1 meaning of caution signs ................................................................................................... ...20 5.2 cautions ................................................................................................................... .......................20 5.3 attentions ................................................................................................................. .....................20 5.3.1 handling of the product .................................................................................................. .............20 5.3.2 environment.............................................................................................................. ...................21 5.3.3 characteristics.......................................................................................................... ....................21 5.3.4 other .................................................................................................................... ........................21 6. outline drawings ............................................................................................................ ...............22 6.1 front view ................................................................................................................. .....................22 6.2 rear view .................................................................................................................. ......................23 revision history ............................................................................................................... ..................24 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 4 1. outline 1.1 structure and principle NL10276BC20-07Y module 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 applications ? display terminal for control system ? industrial pc 1.3 features ? high luminance ? wide viewing angle ? extensive temperature ? 6-bit digital rgb signals ? single link lvds interface ? reversible-scan direction ? edge light type ? replaceable lamp for backlight (inverter less) ? suitable for setting in the portrait position (see ?4.7 display positions and 4.8 scanning directions?.) www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 5 2. general specifications display area 210.432 (w) 157.824 (h) mm (typ.) diagonal size of display 26.3 cm (10.4 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 0.0685 (w) 0.2055 (h) mm pixel pitch 0.2055 (w) 0.2055 (h) mm module size 243.0 (w) 185.1 (h) 17.6 (d) mm (typ.) weight 530 g (typ.) contrast ratio 300:1 (typ.) viewing angle at the contrast ratio 10:1 ? right side 50 (typ.), left side 50 (typ.) ? up side 35 (typ.), down side 75 (typ.) designed viewing direction at dpsr: normal scan ? viewing direction without image reversal: up side (12 o'clock) ? viewing direction with contrast peak: down side 1 (6 o'clock) ? viewing angle with optimum grayscale ( =2.2): normal axis polarizer surface antiglare polarizer pencil-hardness 3h (min.) [by jis k5400] color gamut at lcd panel center 40 % (typ.) [against ntsc color space] response time ton (white 90% black 10%) 15 ms (typ.) luminance at ibl= 5.0marms / lamp 300 cd/m 2 (typ.) signal system single link lvds (receiver: thc63lvdf64a, thine electronics inc.) [6-bit 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 replaceable parts ? lamp holder set: type no. 104lhs35 recommended inverter (option) ? inverter: type no. 104pw191 power consumption at ibl= 5.0marms / lamp and checkered flag pattern 6.2w (typ.) 2 2 2 2 2 2 2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 6 3. block diagram note1: connections between gnd (signal ground), fg (frame ground) and vblc (lamp low voltage terminal) in the lcd module gnd - fg not connected gnd - vblc not connected fg - vblc not connected note2: these grounds should be connected together in customer equipment. host v-driver 3,072 lines lcd panel h: 1,024 3 (r,g,b) v: 768 768 lines vcc gnd power supply for gradation dc/dc converter lcd module (product) lcd panel signal processing board d0+ +3.3v d0- controller with receiver for lvds d1+ d1- d2+ d2- ck+ ck- 100 ? 100 ? 100 ? 100 ? dpsr fuse backlight inverter (option) vblh vblh gndb backlight (edge light type) lamp lamp metallic frame of lamp holder n ote2 h-driver fg n ote1 n ote2 n ote1 n ote1 n ote2 vblc n ote1 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 7 4. detailed specifications 4.1 mechanical specifications parameter specification unit module size 243.0 0.5 (w) 185.1 0.5 (h) 17.6 (typ., d) note1 mm display area 210.432 (w) 157.824 (h) note1 mm weight 530 (typ.), 550 (max.) g note1: see " 11. outline drawings ". 4.2 absolute maximum ratings parameter s y mbol rating unit remarks lcd panel signal board vcc -0.3 to +4.0 v power supply voltage lamp vblh 1,500 vrms display signals note1 vd -0.3 to vcc+0.3 v input voltage for signals function signals note2 vf -0.3 to vcc+0.3 v ta = 25 c storage temperature tst -20 to +70 c front surface topf 0 to +60 c operating temperature rear surface topr 0 to +60 c - 95 % ta 40 c 85 % 40 < ta 50 c 70 % 50 < ta 55 c relative humidity note3 rh 60 % 55 < ta 60 c absolute humidity note3 ah 78 note4 g/m 3 ta > 60 c note1: display signals are d0+/-, d1+/-, d2+/- and ck+/-. note2: function signal is dpsr. note3: no condensation note4: ta = 60c, rh = 60% 2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 8 4.3 electrical characteristics 4.3.1 driving for lcd panel signal processing board (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 - 300 note1 500 note2 ma vcc = 3.3v low vdrl 0 - 0.8 v input voltage for lvds receiver high vdrh 2.0 - 2.4 v - low vtl -100 - - mv differential input threshold voltage for lvds receiver high vth - - +100 mv vcm=1.2v note3 low vfdl 0 - 0.8 v input voltage for dpsr signal high vfdh 2.0 - vcc v - note1: checkered flag pattern (by eiaj ed-2522) note2: pattern for maximum current note3: common mode voltage for lvds receiver 4.3.2 working for backlight lamp parameter symbol ta min. typ. max. unit remarks 0 c 1,100 - - vrms lamp starting voltage vs 25 c 850 - - vrms note1 lamp voltage vblh 25 c - 520 - vrms note1,note2 lamp current ibl 25 c 2.0 5.0 5.5 marms note2, note3 lamp oscillation frequency fo 25 c 60 65 70 khz note4 note1: the power supply 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). note2: the asymmetric ratio of working waveform for lamps (power supply voltage peak ratio, power supply current peak ratio and waveform space ratio) should be less than 5 % (see the following figure.). if the waveform is asymmetric, dc (direct current) element apply into the lamp. in this case, a lamp lifetime may be shortened, 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 note3: the lamp holder of this product contains two backlight lamps. the low voltage terminal of both lamps is connected to one contact point. also above power supply current specification is one lamp duty. therefore, this lamp holder becomes twice as many power supply current as above value on low voltage (cold) line. the measurement for the power supply current value of one lamp should measure on high voltage (hot) line to each lamp. note4: 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 synchronous cycle (see "4.9.3 timing characteristics".) n: natural number (1, 2, 3 ???????? ) 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/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 9 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 fuse fuse fusing line type supplier rating fusing current note1 2.0 a vcc tf16n2.00 koa corporation 47 v 4.0 a 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/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 10 4.4 power supply voltage sequence 4.4.1 sequence for lcd panel signal processing board 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 (d0+/-, d1+/-, d2+/- and ck+/-) with 100 ? (characteristic impedance) and function (dpsr) signals 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 (option) note1: these are 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. valid period off 0ms < t < 35ms 0ms < t < 35ms on 3.0v 0v tr < 50ms vcc n ote1 display and function signals note2 toff > 100ms display and function signals note1 vddb valid period n ote2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 11 4.5 connections and functions for interface pins 4.5.1 lcd panel signal processing board cn1 socket (module side): fi-se20p-hf (japan aviation electronics industry limited) adaptable plug: fi-s20s (japan aviation electronics industry limited) pin no. symbol function remarks 1gnd 2gnd ground - 3 dpsr select of scan direction high: reverse scan low or open: normal scan note1 4 nc non connection 5 gnd ground - 6ck+ 7ck- pixel clock note2 8 gnd ground - 9d2+ 10 d2- pixel data note2 11 gnd ground - 12 d1+ 13 d1- pixel data note2 14 gnd ground - 15 d0+ 16 d0- pixel data note2 17 gnd 18 gnd ground 19 vcc 20 vcc power supply - note1: see "4.8 scanning directions". note2: twist pair wires with 100 ? (characteristic impedance) should be connected between lcd panel signal processing board and lvds transmitter. cn1: figure of socket 20 19 18 17 4 3 21 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 12 4.5.2 backlight lamp cn2 plug: bhr-03vs-1 (j.s.t mfg. co., ltd.) adaptable socket: sm03 (4.0) b-bhs-tb (j.s.t mfg. co., ltd.) pin no. symbol signal remarks 1 vblc low voltage (cold) 2 vblh high voltage (hot) 3 vblh high voltage (hot) - 4.5.3 positions of a plug and a socket cn1 1 20 barcode label n ame plate cn2 caution label low voltage (cold) high voltage (hot) 1 3 insert direction cn2: figure of plug 1 3 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 13 4.5.4 connection between receiver and transmitter for lvds note1: recommended transmitter see the data sheet for thc63lvdm63a (thine electronics inc.). note2: tc4 must be fixed to ?high?. r0 r1 r2 r3 r4 r5 g0 g1 g2 g3 g4 g5 b0 b1 b2 b3 b4 b5 ?high? ?high? or ?low? de clk vcc (+3.3v) gnd vifd gnd gnd dpsr nc gnd ck+ ck- gnd d2+ d2- gnd d1+ d1- gnd d0+ d0- gnd gnd vcc vcc ta0 ta1 ta2 ta3 ta4 ta5 ta6 tb0 tb1 tb2 tb3 tb4 tb5 tb6 tc0 tc1 tc2 tc3 tc4 note2 tc5 tc6 clk in tclk+ tclk- tc+ tc- tb+ tb- ta+ ta- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 gnd transmitter for lvds thc63lvdm63a note1 cn1 socket dc/dc converter lcd panel signal processing board panel driver panel driver host lcd module (product) gnd rclk+ rclk- rc+ rc- rb+ rb- ra+ ra- lcd controller receiver for lvds equivalent of thc63lvdf64a gnd signal processor vcc dpsr www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 14 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/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 15 4.7 display positions the following table is the coordinates per pixel (see figure of "4.8 scanning directions".). c(1023, 0) c(1023, 1) ? ? ? c(1023, y) ? ? ? c(1023,766) c(1023,767) c(1022, 0) c(1022, 1) ? ? ? c(1022, y) ? ? ? c(1022, 766) c(1022,767) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? c( x, 0) c( x, 1) ? ? ? c( x, y) ? ? ? c( x, 766) c( x,767) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? c( 1, 0) c( 1, 1) ? ? ? c( 1, y) ? ? ? c( 1, 766) c( 1, 767) c( 0, 0) c( 0, 1) ? ? ? c( 0, y) ? ? ? c( 0, 766) c( 0, 767) 4.8 scanning directions the following figures are 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 display positions".) d (x, y): the data number of input signal for lcd panel signal processing board figure 1. normal scan (dpsr: low or open) figure 2. reverse scan (dpsr: high) n ote1 c (0,0) d (0,0) c (1023,0) d (1023,0) c (0,767) d (0,767) c (1023,767) d (1023,767) 2 n ote1 c (0,0) d (1023,767) c (1023,0) d (0,767) c (0,767) d (1023,0) c (1023,767) d (0,0) up side down side left side right side up side down side left side right side www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 16 4.9 input signal timings for lcd panel signal processing board 4.9.1 outline of input signal timings ? horizontal signal note1: this diagram indicates virtual signal for set up to timing. ? vertical signal note1: this diagram indicates virtual signal for set up to timing. note2: see "4.9.2 input signal timing chart" for numeration of pulse. 4.9.2 detailed input signal timing chart for de mode ? outline chart note1: x is data number from 1 to 1022. see "4.8 scanning directions". display period note1 horizontal display period (thd) data enable (de) vertical display period (tvd) 1 2 34 768 display period note1 data enable (de) n ote2 de vdrh 0.5vcc vdrl clk vdrh vdrl data (r0 to r5) (g0 to g5) (b0 to b5) tdes tdeh tdrf tdrf tds tdh tcrf tcr f tch tc 1024 d (0, 0) d (1023, 0) 768 1 d (x, 0) thd tv d a x+1 tdes tder f tderf n ote1 1 2 d (x, 2) d (0, 2) d (1023, 2) 1344 (typ.) tdeh 1025 d (x, 767) d (0, 767) d (1023, 767) vdrh 0.5vcc vdrl t v th note1 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 17 ? detail of a part note1: x is data number from 1 to 1022. see "4.8 scanning directions". 4.9.3 timing characteristics parameter note1 symbol min. typ. max. unit remarks frequency (lvds receiver) tcf 60.0 65.0 68.0 mhz 15.4 ns (typ.) note1 duty tcd - - - - note1, note2 clk rise time, fall time tcrf - - - - setup time tds - - - - clk-data hold time tdh - - - - data rise time, fall time tdrf - - - - note2 19.67 20.676 22.4 s cycle th -1,344- clk 48.363khz (typ.) note1, note3 horizontal display period thd 1,024 clk 13.3 16.666 18.5 ms cycle tv 780 806 - h vertical (one frame) display period tvd 768 h 60.0hz (typ.) note1 setup time tdes - - - - clk-de hold time tdeh - - - - de rise time, fall time tderf - - - - note2 note1: definition of parameters is as follows. tcf = 1/tc, tcd = tch/tc = tch tcf, 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. vdrh 0.5vcc vdrl clk tds tdh tdrf tdrf tc tcrf tderf vdrh vdrl data (r0 to r5) (g0 to g5) (b0 to b5) de tch tcrf tdeh tdes tderf tdeh tdes vdrh vdrl d (0, 0) d (x, 0) d (1023, 0) 1 x+1 1024 1025 n ote1 n ote1 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 18 4.10 optics 4.10.1 optical characteristics parameter note1 condition symbol min. typ. max. unit remarks luminance white at center r = 0 , l = 0 , u = 0 , d = 0 l 100 300 - cd/m 2 note2 contrast ratio white/black at center r = 0 , l = 0 , u = 0 , d = 0 cr 150 300 - - - luminance uniformity - lu - 1.24 1.40 - note3 reference data parameter note1 condition symbol min. typ. max. unit remarks x coordinate wx 0.300 0.330 0.360 - white y coordinate wy 0.326 0.356 0.386 - x coordinate rx - 0.581 - - red y coordinate ry - 0.342 - - x coordinate gx - 0.331 - - green y coordinate gy - 0.539 - - x coordinate bx - 0.156 - - chromaticity blue y coordinate by - 0.165 - - color gamut r = 0 , l = 0 , u = 0 , d = 0 at center, against ntsc color space c3540 -% note4 white to black ton - 15 30 ms response time black to white toff - 40 60 ms note5 note6 right u = 0 , d = 0 , cr = 10 r 40 50 - left u = 0 , d = 0 , cr = 10 l 45 50 - up r = 0 , l = 0 , cr = 10 u 30 35 - viewing angle down r = 0 , l = 0 , cr = 10 d 65 75 - note7 note1: measurement conditions are as follows. ta = 25 c, vcc = 3.3v, ibl = 5.0marms/lamp, display mode: xga, horizontal cycle = 48.363khz, vertical cycle = 60.0hz, dpsr = low or open: normal scan optical characteristics are measured at luminance saturation after 20minutes from working the product, in the dark room. also measurement method for luminance is as follows. note2: see "4.10.2 definition of contrast ratio". note3: see "4.10.3 definition of luminance uniformity". note4: these coordinates are found on cie 1931 chromaticity diagram. note5: product surface temperature: topf = 25 c note6: see "4.10.4 definition of response times". note7: see "4.10.5 definition of viewing angles". 1 photodetector (topcon bm-5a) lcd module (product) 50cm 2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 19 4.10.2 definition of contrast ratio the contrast ratio is calculated by using the following formula. luminance of white screen luminance of black screen 4.10.3 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. 4.10.4 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.). 4.10.5 definition of viewing angles 171 512 853 126 384 640 contrast ratio (cr) = luminance uniformity (lu) = 100% 90% 10% 0% ton toff luminance white black 2 down lef t right n ormal axis (perpendicular) l r u d 9 o?clock up 12 o?clock 3 o?clock www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 20 5. precautions 5.1 meaning of caution signs the following caution signs have very important meaning. be sure to read "5.2 cautions", after understanding this contents! this sign has the meaning that customer will be injured by himself, if customer has wrong operations. 5.2 cautions ? ? ? ? pay attention to burn injury for the working backlight! it may be over 35 c from ambient temperature. ? ? ? ? do not shock and press the lcd panel and the backlight! 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 19.6n) 5.3 attentions 5.3.1 handling of the product take hold of both ends without touch the circuit board 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 flexible 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 0.29n ? 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 surface. if customer clean on the panel surface, nec corporation 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. 2 2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 21 5.3.2 environment do not operate or store in high temperature, high humidity, dewdrop atmosphere or corrosive gases. keep the product in antistatic pouch in room temperature, 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. 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. this product is not designed as radiation hardened. 5.3.3 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 temperature, 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. 5.3.4 other all gnd, backlight inverter ground (gndb), vcc and backlight inverter power supply voltage (vddb) terminals should be used without a non-connected line. do not disassemble a product or adjust volume without permission of nec corporation. see "replacement manual for lampholder", if customer would like to replace backlight lamps. 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 corporation for repair and so on. 2 2 www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 22 6. outline drawings 6.1 front view unit: mm www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 23 6.2 rear view unit: mm www.datasheet.co.kr datasheet pdf - http://www..net/
NL10276BC20-07Y preliminary data sheet dod-m-1348 (2nd edition) 24 revision history the inside of latest specifications is revised to the clerical error, undecided mater (tbd, etc.) 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 document number prepared date revision contents and signature 1st edition dod-m- 1289 dec. 20, 2002 new issue 2nd edition dod-m- 1348 mar. 12, 2003 revision contents p5, p18, p19 optical characteristics are decided. p5, p18, p19 definitions of viewing angles are revised. p5 general specifications- designed viewing direction: ? up side (12 o'clock) ? down side 1 and are added. p21 precautions- environment: and are added. a pproved by t. i to checked by p repared b y r. kawashima writer left upper lower n ormal axis (perpendicular) www.datasheet.co.kr datasheet pdf - http://www..net/

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