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| tft color lcd module type: nl 1 2 8 10 2 b c 2 3 - 03 3 9 c m ( 1 5 . 4 t yp e ) , 1 02 4 768 ( s x ga ) w i de v i ewi ng a ng le with retardation film (140h/100v) high luminance (typ 24 0 cd/m2 ) l vd s in te rf ac e ( 2 por t ) specifications ( f ir st edition) this document is preliminary. all information in this document are subject to change without prior notice nec corporation nec electron devices display device operations unit color lcd division application engineering department approved ma y 22 , 200 1 checked p r e p ar ed m ay 22 , 200 1 displays & systems tel. +49 7249 910 152 industriestr. 16 fax: +49 7249 4232 d-76298 stutensee e-mail: display@msc-ge.com int ernet: http://www.msc-ge.com preliminary dod- m - 0 379 1/ 2 6
nec corporation dod - m ? 0379 2 / 25 introduction no part of this specifications 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 specifications. if customers intend to use this product for applications other than those specified for "standard" quality grade, they should contact an nec corporation sales representative in advance. anti-radioactive design is not implemented in this product. nec corporation dod - m ? 0379 3 / 25 contents 1. outline ----------------------------------------------------------------------------------------- p.4 2. features --------------------------------------------------------------------------------------- p.4 3. application ---------------------------------------------------------------------------------- p.4 4. principle and structure ------------------------------------------------------------- p.4 5. outline of characteristics -------------------------------------------------------- p.5 6. block diagram ---------------------------------------------------------------------------- p.6 7. general specifications --------------------------------------------------------------- p.7 8. absolute maximum ratings -------------------------------------------------------- p.7 9. electrical characteristics ------------------------------------------------------- p.7 10. supply voltage sequence ------------------------------------------------------------ p.8 11. interface pin connections and functioms ----------------------------------- p.9 12. method of connections for thc63lvdm83a --------------------------------- p.12 13. display colors to input data signals ----------------------------------------- p.13 14. input signal timings --------------------------------------------------------------------- p.14 15. optical characteristics -------------------------------------------------------------- p.18 16. reliability test ---------------------------------------------------------------------------- p.20 17. precautions ---------------------------------------------------------------------------------- p.21 18. outline drawings 18.1 front view ------------------------------------------------------------------------------ p.23 18.2 rear view -------------------------------------------------------------------------------- p.24 nec corporation dod - m ? 0379 4 / 25 1. outline n l 128102 b c23 - 03 i s a t f t ( t h i n f il m t r ans i s t or) ac t i v e m a t r i x co l or li qu i d cr y s t al d i sp l ay ( l c d ) comprising amorphous silicon tft attached to each signal electrode, a driving circuit and a backlight with an inverter. this product has a 39cm (15.4 inches) display area by a diagonal, and contains 1280 1024 pixels in it. also it can display 16,194,277 colors. 2. features - wide viewing angle (with retardation film) - low reflection - lvds interface - high luminance - wide color gamut - incorporated edge type backlight (four lamps/ two lamps holders) - replaceable lamp holder 3. application - pc, ews monitors 4. principle and structure a color tft (thin film transistor) lcd module is composed of a tft liquid crystal panel structure, lsis for driving the tft array, and a backlight assembly. the tft liquid crystal panel structure is injected liquid crystal material into the narrow gap between a tft array glass substrate and a color filter glass substrate. also, lcd module is connected the driver lsis with a tft liquid crystal panel structure, and then the backlight assembly is attached to the backside of the panel. rgb (red, green, blue) data signals from a source system are modulated into a form suitable for active matrix addressing by the onboard signal processor and sent to the driver lsis which in turn addresses the individual tft cells. working as an electro-optical switch, each tft cell regulates transmitted light from the backlight assembly when worked by the data source. color images are created by regulating the amount of transmitted light through the array of red, green, and blue dots nec corporation dod - m ? 0379 5 / 25 5. outline of characteristics (at room temperature) display area 305.28 (h) 244.224 (v) mm drive system a-si tft active matrix display colors 16,194,224 colors number of pixels 1280 (h) 1024 (v) pixel arrangement rgb vertical stripe pixel pitch 0.2385 (h) 0.2385 (v)mm module size 340.0 (h, typ.) 269.0 (v, typ.) 17.9 (d, typ.) mm weight 1400 g (typ.) contrast ratio 250:1 (typ.) viewing angle (more than the contrast ratio of 10:1) - horizontal: 70 (typ., left side, right side) - vertical: 50 (typ., up side, down side) designed viewing direction - wider viewing angle without image reversal : down side - optimum grayscale ( =2.2) : perpendicular - viewing angle with maximum contrast ratio : down side (10 ) polarizer pencil-hardness 3 h (min., at jis k5400) color gamut 60 % (typ., at center, to ntsc) response time 6 ms (typ.), "white" to "black" (100% 10%) luminance 240 cd/m 2 (typ., at il= 6marms/ lamp) signal system 2 ports lvds interface (thc63lvdf84a 2pcs, thine electronics, inc.) rgb 8-bit signals, synchronous signals (hsync, vsync), data enable signal (de) supply voltage 12v (logic, lcd driving), 12v (backlight) backlight edge light type: four cold cathode fluorescent lamps in two lamp holders, inverter-less [replaceable parts] - lamp holder: 154lhs04 power consumption 19 w (typ.) (checker flag pattern, at il= 6ma / lamp) nec corporation dod - m ? 0379 6 / 25 6. block diagram note1: gnd (signal ground) is connected to fg (frame ground) in the lcd module. neither gnd nor fg is connected to gndb (backlight ground). these grounds should be connected to system ground in customer equipment. h - driver v - driver 3840 lines lcd panel 1024 lines h:1280 3 (r,g,b) v:1024 backlight (edge light type) i/f lcd module thc63lvdf84a equivalent (thine) thc63lvdf84a equivalent (thine) controller vl high1 vl high2 vl high3 vl high4 100 ? 100 ? 100 ? 100 ? 100 ? 100 ? 100 ? 100 ? 100 ? 100 ? da0+ da0- da1+ da1- da2+ da2- cka+ cka- da3+ da3- db0+ db0- db1+ db1- db2+ db2- ckb+ ckb- db3+ db3- vdd power supply for drivers gnd dc/dc converter lamp lamp fuse 2a fg vl low2 (gndb) vl low1 (gndb) nec corporation dod - m ? 0379 7 / 25 7. general specifications item specification unit module size 340.0 1.0 (h) 269.0 1.0 (v) 17.9+0.1/-0.2 (d) note 1 mm display area 305.28 (h) 244.224 (v) [diagonal display size: 39cm (type 15.4)] mm number of pixels 1280 (h) 1024 (v) pixel dot pitch 0.0795 (h) 0.2385 (v) mm pixel pitch 0.2385 (h) 0.2385 (v) mm pixel arrangement rgb (red, green, blue) vertical stripe - display colors 16,194,277 color weight 1400 (typ.), 1520 (max.) g note 1: wrinkles and bending of a transparency sheet are excepted. 8. absolute maximum ratings parameter symbol rating unit remarks supply voltage vdd -0.3 to +14.0 v ta = 25 c lvds input voltage vi -0.3 to 3.6 v ta = 25 c vdd=12v lamp voltage vl 2000 vrms ta = 25 c storage temperature tst -20 to +60 c - top1 0 to +50 c module front surface note 1 operating temperature top2 0 to +60 c module rear surface note 2 95 % ta 40 c relative humidity (rh) note 3 85 % 40 c nec corporation dod - m ? 0379 8 / 25 (2) backlight (ta = 25 c) parameters symbols min. typ. max. units remarks lamp current il 3.0 6.0 7.0 marms for each lamp lamp voltage vl - 650 - vrms - 1050 - - vrms ta = 25 c lamp turn on voltage note 1 vs 1450 - - vrms ta = 0 c oscillator frequency ft 50 - 60 khz note 2 note1: when il and/or vs are lower than min. value, lamps will not turn on. note2: recommended value of 'ft' 1) 'ft' should be within the specification. and 2) ft = 1/ 4th (2n-1) th: hsync period n: a natural number (1,2,3?) if ft is not the recommended value, beat noise may appear on the screen, because of interference between ft frequency and hsync frequency. note3: the lamp current should be measured by high-frequency current meter at the low voltage terminal. two lamps contain in the one lamp holder, and both lamps are connected to one low voltage cable. therefore, the lamp current at low voltage terminal is sum of two lamps (12ma typ.) note4: the inverter power supply has a big influence on lighting-up characteristics and the lifetime of the lamp. when design the inverter power supply, evaluate it sufficiently. (3) fuse this lcd module uses fuse shown below. part no. suppliers ratings remarks vdd ccf16 202ad kamaya electric co.,ltd 32v/2a note 1 note1: the power capacity should be more than 2 times of fuse ratings from safety point of view. if the power capacity of your system is less than above request, check and evaluate it carefully. 10. supply voltage sequence note1: lvds signals should be measured at the terminal of 100 ? resistor. note2: when turn on the lcd module, if vcc voltage falls down during the rising period up to 11.4v, the lcd module may not start to work because of the protection circuit. note3: the backlight should be turned on/off when lvds signals are coming. otherwise, unstable data may be displayed when the backlight power is turned on/off. valid period 10 nec corporation dod - m ? 0379 9 / 25 11. interface pin connections and functions (1) interface connector for signal and power cn1 socket: 53780-2090 adaptable plug: 51146-2000 supplier: molex incorporated. pin no. symbol function description 1 n.c. 2 n.c. non-connection keep the terminal open 3 gnd 4 gnd ground connect to system ground note 1 5 da0- 6 da0+ odd pixel data0 lvds differential signal note 2 7 gnd ground connect to system ground note 1 8 da1- 9 da1+ odd pixel data1 lvds differential signal note 2 10 gnd ground connect to system ground note 1 11 da2- 12 da2+ odd pixel data2 lvds differential signal note 2 13 gnd ground connect to system ground note 1 14 cka- 15 cka+ odd pixel clock lvds differential signal note 2 16 gnd ground connect to system ground note 1 17 da3- 18 da3+ odd pixel data3 lvds differential signal note 2 19 gnd ground connect to system ground note 1 20 n.c. non-connection keep the terminal open note1: gnd is signal ground for controller. gnd is connected to fg (frame ground) in the lcd module. neither gnd nor fg is connected to gndb (backlight ground). these grounds should be connected to system ground in customer equipment. note2: use 100 ? twist pair wires for the cable. note3: do not keep pins free (except 1,2 and 20) to avoid noise problem. 1 2 ??? 19 20 cn1: figure of socket cn2 1 30 cn1 1 20 cn201 cn202 1 4 insert direction 4 1 nec corporation dod - m ? 0379 10 / 25 cn2 socket: 53780-3090 adaptable plug: 51146-3000 supplier: molex incorporated. pin no. symbol function description 1 n.c. 2 n.c. non-connection keep the terminal open 3 gnd 4 gnd ground connect to system ground note 1 5db0- 6db0+ even pixel data0 lvds differential signal note 2 7 gnd ground connect to system ground note 1 8db1- 9db1+ even pixel data1 lvds differential signal note 2 10 gnd ground connect to system ground note 1 11 db2- 12 db2+ even pixel data2 lvds differential signal note 2 13 gnd ground connect to system ground note 1 14 ckb- 15 ckb+ even pixel clock lvds differential signal note 2 16 gnd ground connect to system ground note 1 17 db3- 18 db3+ even pixel data3 lvds differential signal note 2 19 gnd ground connect to system ground note 1 20 reserved 21 reserved 22 reserved 23 reserved reserved keep the terminal open 24 gnd 25 gnd 26 gnd ground connect to system ground note 1 27 n.c. non-connection keep the terminal open 28 vdd 29 vdd 30 vdd +12v power supply 12v+5% note1: gnd is signal ground for controller. gnd is connected to fg (frame ground) in the lcd module. neither gnd nor fg is connected to gndb (backlight ground). these grounds should be connected to system ground in customer equipment. note2: use 100 ? twist pair wires for the cable. note3: do not keep pins free (except 1,2,20-23 and 27) to avoid noise problem. 1 2 ??.. 29 30 cn2: figure of socket nec corporation dod - m ? 0379 11 / 25 (2) connector for backlight lamp cn201 plug: bhr-04vs-1 adaptable socket: sm03(7-d1)b-bhs-1 supplier: hirose electric co,. ltd. pin no. symbol function description 1vl high1 upper side lamp, high voltage terminal the cable color is pink note 1 2vl high2 upper side lamp, high voltage terminal the cable color is pink 3 n.c. non-connection keep the terminal open. 4 vl l ow1 (gndb) up side lamp, low voltage terminal the cable color is gray cn202 plug: bhr-04vs-1 adaptable socket: sm03(7-d1)b-bhs-1 supplier: j.s.t. trading company, ltd. pin no. symbol function description 1vl high3 lower side lamp, high voltage terminal the cable color is pink 2vl high4 lower side lamp, high voltage terminal the cable color is pink 3 n.c. non-connection keep the terminal open. 4 vl l ow2 (gndb) lower side lamp, low voltage terminal the cable color is gray note 1: gnd (signal ground) is connected to fg (frame ground) in the lcd module. neither gnd nor fg is connected to gndb (backlight ground). these grounds should be connected to system ground in customer equipment. attention: vl high and vl low must be connected correctly. if customer connects wrongly, customer will be hurt and the module will be broken. nec corporation dod - m ? 0379 12 / 25 12. method of connection for thc63lvdm83a transmitter i/f cn reciever thc63lvdm83a pin cn1 thc63lvdf84a controlle r ra2 ta0 1 n.c. ra0 ra2 ra3 ta1 2 n.c. ra1 ra3 ra4 ta2 3 gnd ra2 ra4 ra5 ta3 4 gnd ra3 ra5 ra6 ta4 ta- 5 da0- ra- ra4 ra6 ra7 ta5 ta+ 6 da0+ ra+ ra5 ra7 ga2 ta6 7 gnd ra6 ga2 ga3 tb0 tb- 8 da1- rb- rb0 ga3 ga4 tb1 tb+ 9 da1+ rb+ rb1 ga4 ga5 tb2 10 gnd rb2 ga5 ga6 tb3 tc- 11 da2- rc- rb3 ga6 ga7 tb4 tc+ 12 da2+ rc+ rb4 ga7 ba2 tb5 13 gnd rb5 ba2 ba3 tb6 tclk- 14 cka- rclk- rb6 ba3 ba4 tc0 tclk+ 15 cka+ rclk+ rc0 ba4 ba5 tc1 16 gnd rc1 ba5 ba6 tc2 td- 17 da3- rd- rc2 ba6 ba7 tc3 td+ 18 da3+ rd+ rc3 ba7 hsync tc4 19 gnd rc4 hsync vsync tc5 20 reserved rc5 vsync de tc6 rc6 de ra0 td0 rd0 ra0 ra1 td1 rd1 ra1 ga0 td2 rd2 ga0 ga1 td3 rd3 ga1 ba0 td4 rd4 ba0 ba1 td5 rd5 ba1 rsvd td6 rd6 rsvd odd pixel data and control signal note1 clk clkin pin cn2 clkout clka rb2 ta0 1 n.c. ra0 rb2 rb3 ta1 2 n.c. ra1 rb3 rb4 ta2 3 gnd ra2 rb4 rb5 ta3 4 gnd ra3 rb5 rb6 ta4 ta- 5 db0- ra- ra4 rb6 rb7 ta5 ta+ 6 db0+ ra+ ra5 rb7 gb2 ta6 7 gnd ra6 gb2 gb3 tb0 tb- 8 db1- rb- rb0 gb3 gb4 tb1 tb+ 9 db1+ rb+ rb1 gb4 gb5 tb2 10 gnd rb2 gb5 gb6 tb3 tc- 11 db2- rc- rb3 gb6 gb7 tb4 tc+ 12 db2+ rc+ rb4 gb7 bb2 tb5 13 gnd rb5 bb2 bb3 tb6 tclk- 14 ckb- rclk- rb6 bb3 bb4 tc0 tclk+ 15 ckb+ rclk+ rc0 bb4 bb5 tc1 16 gnd rc1 bb5 bb6 tc2 td- 17 db3- rd- rc2 bb6 even pixel data bb7 tc3 td+ 18 db3+ rd+ rc3 bb7 note1 rsvd tc4 19 gnd rc4 rsvd note1 rsvd tc5 20 reserved rc5 rsvd note1 rsvd tc6 21 reserved rc6 rsvd rb0 td0 22 reserved rd0 rb0 rb1 td1 23 reserved rd1 rb1 gb0 td2 24 gnd rd2 gb0 gb1 td3 25 gnd rd3 gb1 bb0 td4 26 gnd rd4 bb0 bb1 td5 27 n.c. rd5 bb1 note1 rsvd td6 28 vdd:12v rd6 rsvd clk clkin 29 vdd:12v clkout clkb note 1: rsvd must be low level. 30 vdd:12v lcd module s y stem side nec corporation dod - m ? 0379 13 / 25 13. display colors to input data signals data signal (0: low level, 1: high level) display colors ra7 ra6 ra5 ra4 ra3 ra2 ra1 ra0 rb7 rb6 rb5 rb4 rb3 rb2 rb1 rb0 ga7 ga6 ga5 ga4 ga3 ga2 ga1 ga0 gb7 gb6 gb5 gb4 gb3 gb2 gb1 gb0 ba7 ba6 ba5 ba4 ba3 ba2 ba1 ba0 bb7 bb6 bb5 bb4 bb3 bb2 bb1 bb0 black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 red 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 magenta 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 green 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 cyan 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 yellow 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 basic colors white 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ::: ::: 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 red grayscale black dark bright red 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 ::: ::: 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 green grayscale black dark bright green 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 ::: ::: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 1 1 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 blue grayscale black dark bright blue 1 1 1 1 1 1 1 1 note1: the combination of 8-bit signals (253 steps in grayscale) results in equivalent to 16,194,277 (253 253 253) colors. the display data of (11111 101), ( 11111110) and (11111111) become same grayscale. nec corporation dod - m ? 0379 14 / 25 14. input signal timings (1) input signal specifications parameter symbol min. typ. max. unit remarks vf=75hz 65.0 - 67.5 14.815 70.0 - mhz ns frequency vf=60hz 1/ tc 51.5 - 54.0 18.52 56.5 - mhz ns - duty tc / tcl - - clk rise, fall tcrf note 1 ns - vf=75hz 12.3 750 12.504 844 - - s clk typ=80.0khz note2,3 period vf=60hz th 12.3 750 15.630 844 - - s clk typ=64.0khz display period thd 640 clk - front-porch thf - - - clk - vf=75hz - 72 - clk pulse width vf=60hz thp * -56-clk - back-porch thb * - 124 - clk - * thp + thb 110 - - clk - clk-hsync set-up ths ns clk-hsync hold thh ns hsync raise,fall thrf note1 ns vf=75hz - 1028 13.329 1066 14.47 - ms h typ=75.0hz period vf=60hz tv - 1028 16.661 1066 14.47 - ms h typ=60.0hz display period tvd 1024 h - front-porch tvf * - 1 - h - pulse width tvp * - 3 - h - back-porch tvb * - 38 - h - * tvp + tvb +tvf 4 - - h - hsync-vsync set-up thvs 1 - - clk - hsync-vsync hold thvh 1 - - clk - clk-vsync set-up tvs ns - clk-vsync hold tvh ns - vsync raise,fall tvrf note1 ns - clk-de set-up tdes ns - clk-de hold tdeh ns - de raise,fall tderf note1 ns - clk-data set-up tds ns - clk-data hold tdh ns - data rise, fall tdrf note1 ns - note1: timing specifications are defined by the input signals of lvds transmitter. thc63lvdm83a (thine) or equivalent products are recommended for lvds transmitter. note 2: both of ?time? and ?clk number? of the ?th? must keep the minimum value of specification. note 3: during operation, fluctuation of hsync period must not exceed 1 clk. otherwise function errors will occur in lcd module. e.g.: acceptable fluctuation range is 843-845 clk, when the hsync period is 844 clk. nec corporation dod - m ? 0379 15 / 25 (2) input signals timing chart for lcd tv h h tv h s vsync hsync de data tvp invalid invalid de data(a) data(b) 1 2 .... 1 tvb tvd=1024h(fixed) tv f invalid invalid invalid invalid t v d (x,1) ... d (x,y) .... d (x,1024) d(1,y) d(3,y) ... d(x,y).... d(1279,y) d(2,y) d(4,y) ... d(x,y).... d(1280,y) hsync clk de data(a) data(b) thp 1 2 .... 1 thb thd=640clk(fixed) thf invalid invalid invalid invalid th tc d (1,y) d (3,y) ... d (1279,y) d (2,y) d (4,y) ... d (1280,y) nec corporation dod - m ? 0379 16 / 25 * see the specifications of lvds manufactures for detailed design. invalid vih* clk vil* data (ra0-ra7) vih* (ga0-ga7) (ba0-ba7) vil* (rb0-rb7) (gb0-gb7) (bb0-bb7) tcr f tdr f tderf tc tds tdeh tch tdh tdes tdr f tderf 1 640 invalid tdeh tdes tcl thh,tvh ths,tvs vih* hsync , vsync vil* thrf,tvrf vih* clk vil* tcr f vih* de vil* nec corporation dod - m ? 0379 17 / 25 (3) display positions of input data odd pixel: ra= r data even pixel : rb=r data odd pixel: ga= g data even pixel : gb=g data odd pixel: ba= b data even pixel : bb=b data d ( 1, 1 ) d ( 2, 1 ) ra ga ba rb gb bb d( 1, 1 ) d( 2,1 ) ??? d( 1280,1 ) d( 1,2 ) d( 2, 2 ) ??? d(1280,2 ) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? d( 1,1024 ) d( 2,1024 ) ??? d(1280,1024 ) nec corporation dod - m ? 0379 18 / 25 15. optical characteristics (ta =25 c, vdd=12v, vddb=12v, note 1 ) parameter symbol condition min. typ. max. unit remarks contrast ratio cr note 2 150 250 - - note 3 luminance lvmax white, note 2 180 240 - cd/m 2 - luminance uniformity - max. / min. - 1.2 1.3 - note 6 w white ( x, y ) - 0.31, 0.32 - - r red ( x, y ) - 0.62, 0.34 - - g green ( x, y ) - 0.31, 0.57 - - chromaticity coordinates b blue ( x, y ) - 0.15, 0.09 - - color gamut c r=0 , l=0 , u=0 , d=0 at center, to ntsc 50 60 - % note 2 x+ 60 70 - deg. x- cr > 10, white/black y =0 60 70 - deg. y+ 35 50 - deg. viewing angle range (cr>10) y- cr > 10, white/black x =0 35 50 - deg. note 4 ton black to white 0% 90% - 41 60 ms note 5 response time (module surface temperature =30 c) toff white to black 100% 10% - 6 12 ms note 5 note1: measurement conditions optical characteristics are measured after 20minutes from lighting the backlight with all pixels in white, in the dark room. the typical value is measured after luminance saturation. note 2: viewing angle is x = 0 , y = 0 ., at center note 3: the contrast ratio is calculated by using the following formula. luminance with all pixels in ?white? contrast ratio (cr) = ?????????????????? luminance with all pixels in ?black? photo-detector (topcon bm-5a) 50cm 1 lcd module nec corporation dod - m ? 0379 19 / 25 note 4: definitions of viewing angle are as follows. note 5: definition of response time are as follows. response time is measured by photo-detector's out put level, when the luminance change "white" to "black", or "black" to "white" on the same screen point. ton is the time it takes the luminance to go from 100% on condition to 10% on condition. toff is the time it takes luminance to go from 0% on condition to 90% on condition. (see the following diagram.) note 6:the luminance uniformity is calculated by using following formula. maximum luminance luminance uniformity = ??????????? minimum luminance the luminance is measured at near the five points shown below. left up down n ormal axis (perpendicular) y+ y- x+ x- 12 o?clock right 100% 90% 10% 0% ton tof f luminance white black 213 640 1067 171 512 853 column row nec corporation dod - m ? 0379 20 / 25 16. reliability test test item test condition judgment high temperature / humidity operation 50 2 c, rh= 85% 240 hours, display data is black. note 1 heat cycle (operation) 0 c 3 c --- 1 hour 55 c 3 c --- 1 hour 50 cycles , 4 hours / cycle display data is black. note 1 thermal shock (non-operation) - 20 c 3 c --- 30 minutes 60 c 3 c --- 30 minutes 100 cycles temperature transition time is within 5 minutes. note 1 vibration (non-operation) 5-100hz, 19.6m/s 2 (2g) 1 minute / cycle, x,y,z direction 50 times each direction note 1 note 2 mechanical shock (non-operation) 294 m/s 2 (30g), 11ms x,y,z direction 3 times each direction note 1 note 2 esd (operation) 150pf, 150 ? , 10kv 9 places on a panel note 3 10 times each place at one-second intervals note 1 dust (operation) 15 kinds of dust (jis-z 8901) hourly 15 seconds stir, 8 times repeat note 1 note1: no display malfunctions (display functions are checked under the same conditions as out- going inspection.) note2: no physical damages note3: see the following figure for discharge points nec corporation dod - m ? 0379 21 / 25 17. precautions 17.1 meaning of caution signs the following caution signs have very important meaning. be sure to understand following contents, respectively. ! caution this sign has a meaning that customer will be injured himself and/or the product will sustain a damage, if customer makes a mistake in operations. this sign has a meaning that customer will get an electric shock, if customer makes a mistake in operations. this sign has a meaning that customer will be injured himself, if customer makes a mistake in operations. 17.2 cautions do not touch high voltage part of the inverter while turn on. customer will be in danger of an electric shock. ? ? ? ? pay attention to handling for the working backlight. it may be over 35 c from ambient temperature. ? ? ? ? do not shock and press the lcd panel and the backlight. there will be in danger of breaking, because they are made of glass. (shock: to be not greater 294m/s 2 (30g) and to be not greater 11ms, pressure: to be not greater 19.6n (2kgf)) 17.3 attentions (1) handling the product when customer pulls out products from carton box, take hold of both ends without touch the circuit board. if customer touches it, products may be broken down and/or out of adjustment, because of stress to mounting parts. if customer places products temporarily, turn down the display side and place on a flat table. handle products with care and avoid electrostatic discharge (e.g. decrease with earth band, ionic shower, etc.), because products (lcd modules) may be damaged by electrostatic. the torque for mounting screws should never exceed 0.39n ? m (4kgf ? cm). over torque may cause mechanical damage to the product. do not press or friction, because lcd panel surface is sensitive. if customers will clean the product surface, nec corporation or their supplier will recommend using the cloth with ethanolic liquid. nec corporation dod - m ? 0379 22 / 25 do not push-pull the interface connectors while turn on, because wrong power sequence may break down the product. connection cables such as flexible cable, and so on, are danger of damage. do not hook cables nor pull them. (2) environment dewdrop atmosphere must be avoided. do not operate and/or store in high temperature and/or high humidity atmosphere. if customer store the product, keep in antistatic pouch in room temperature, because of avoidance for dusts and sunlight. do not operate in high magnetic field. circuit boards may be broken down by it. use an original protection sheet on product surface (polarizer). adhesive type protection sheet should be avoided, because it may change color and/or properties of the polarizer. (3) specification for products do not display the fixed pattern for a long time because it may cause image sticking. if the fixed pattern is displayed on the screen, use a screen saver. the product may be changed of color by viewing angle because of the use of condenser sheet for backlight unit. the product may be changed of luminance by voltage variation, even if power source applies recommended voltage to backlight inverter. optical characteristics may be changed by input signal timings. (4) other all gnd, gndb and vdd terminals should be connected without a non-connected signal line. do not disassemble a product and/or adjust volume. if customer would like to replace backlight lamps, see 'replacement manual for backlight'. if customer uses screwnails, pay attention not to insert waste materials in inside of products. when customer returns product for repair and so on, pack it with original shipping package because of avoidance of some damages during transportation. not only the module but also the equipment that used the module should be packed and transported as the module becomes vertical.otherwise, there is the fear that a display dignity decreases by an impact or vibrations." general specifications for the lcd the following items are neither defects nor failures. ? ? ? ? response time, luminance and color gamut may be changed by ambient temperature. ? ? ? ? the lcd may be seemed luminance uniformity, flicker, vertical seam and/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. nec corporation dod-m-0379 18. outline drawings ( unit: mm) 18.1. front view 23/25 nec corporation dod-m-0379 18.2. rear view 24/25 metal film nec corporation 25/25 dod-m-0379 revision history rev. prepared date revision contents and approval signature of writer 1st edition may 22 2001 dod-m-0379 preliminary specifications data sheet the inside of this document is revised the clerical error and unclear expression in previous one. the important changes such as specifications, characteristics and functions are as follows. p6 brock diagram: gnd is not connected to fg. gnd is connected to fg. p24 outline drawings - rear view: metal firm is added. a pproved by checked by p repared by |
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