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| product specification 1/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 specification for approval ( ) preliminary specification ( ) final specification 19.0? sxga tft lcd title g t. kim / g.manager *when you obtain standard approval, please use the above model name without suffix signature date / please return 1 copy for your confirmation with your signature and comments. product engineering dept. lg. philips lcd co., ltd approved by date / reviewed by prepared by k.j. kwon / manager k n. kim engineer buyer general model supplier lg.philips lcd co., ltd. *model LM190E01 suffix c4 / /
product specification 2/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 contents 26 precautions 9 14 9 interface connections 3-2 color input data refernece 3-5 25 designation of lot mark 8-1 25 packing form 8-2 25 packing 8 24 emc 7-2 1 cover 2 contents 3 record of revisions 4 general description 1 5 absolute maximum ratings 2 6 electrical specifications 3 6 electrical charactreistics 3-1 12 signal timing specifications 3-3 13 signal timing waveforms 3-4 15 power sequence 3-6 16 optical sfecifications 4 20 mechanical characteristics 5 23 reliability 6 24 international standards 7 24 safety 7-1 page item no product specification 3/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 record of revisions revision no description date page ver 1.0 final specifications jul.30, 2003 product specification 4/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 1. general description cn1 (30pin) lvds pair #1 lvds pair #2 power circuit block +12v v lcd source driver circuit tft - lcd panel (1280 rgb 1024 pixels) g1 s1 s1280 g1024 back light assembly (4ccfl) cn2, 3(2pin) rgb timing controller lvds 1 chip gate driver circuit cn4, 5(2pin) LM190E01-c4 is a color active matrix liquid crystal display with an integral cold cathode fluorescent lamp(ccfl) backlight system. the matrix employs a-si th in film transistor as the active element. it is a transmissive type display operating in the normally black mode. it has a 19.0 inch diagonally measured active display area with sxga resolution (1024 vertical by 1280 horizontal pixel array) each pixel is divided into red, green and blue sub-pixels or dots which are arranged in vertical stripes. gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot, thus, a palette of more than 16,777,216 colors. it has been designed to apply the 8bit parallel cmos interface. it is intended to support applications where thin thickness, wide viewing angle, low power are critical factors and graphic displays are important. in combination with the vertical arrangement of the sub-pixels, the LM190E01-c4 characteristics provide an excellent flat panel display for office automation products such as monitors. general features outline dimension 404.2(h) x 330.0(v) x 22.3(d) mm(typ.) active screen size 19.0 inches (481.84mm) diagonal pixel pitch 0.294 mm x 0.294 mm pixel format 1280 horizontal by 1024 vertical pixels. rgb stripe arrangement color depth 8-bit, 16,777,216 color luminance, white 250 cd/m 2 ( center 1point, typ) power consumption weight 2,800g (typ.) display operating mode transmissive mode, normally black surface treatments hard coating (3h), anti-glare treatment of the front polarizer total 22.94 watt(typ.), (3.29 watt @v lcd , 19.65 @[lamp=7.5ma]) interface lvds 2port viewing angle (cr>10) viewing angle free [ r/l 176(typ.), u/d 176(typ.) ] product specification 5/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 90% 10 20 30 40 50 60 70 80 0 -20 0 10 20 30 40 50 dry bulb temperature [c] wet bulb temperature [c] storage operation humidity [(%)rh] 10% 40% 60% 60 2. absolute maximum ratings the following are maximum values which, if exceeded, may cause faulty operation or damage to the unit. note : 1. temperature and relative humidi ty range are shown in the figure below. wet bulb temperature should be 39 c max, and no condensation of water. table 1. absolute maximum ratings units %rh 90 10 h op operating ambient humidity 1 %rh 90 10 h st storage humidity c 60 -20 t st storage temperature c 50 0 t op operating temperature at 25 vdc +14.0 -0.3 v lcd power supply input voltage max min parameter notes values symbol product specification 6/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 3. electrical specifications 3-1. electrical characteristics it requires two power inputs. one is employed to pow er the lcd electronics and to drive the tft array and liquid crystal. the second input power for the ccfl/backlight, is typically generated by an inverter. the inverter is an external unit to the lcds. table 2_1. electrical characteristics note : 1. the specified current and power consumption are under the v lcd =12.0v, 25 2 c,f v =60hz condition whereas mosaic pattern(8 x 6) is displayed and f v is the frame frequency. 2. the current is specified at the maximum current pattern below 3. the duration of rush current is about 2ms and rising time of power input is 1ms(min.). mosaic pattern(8 x 6) white : 255gray black : 0gray maximum current pattern white pattern 2 ma 468 360 - 1 watt 3.78 3.29 - p lcd power consumption 3 a 3.0 - - i rush inrush current vdc 12.6 12.0 11.4 v lcd power supply input voltage 1 ma 315 274 - i lcd power supply input current module : parameter symbol max typ min notes unit values product specification 7/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 table 2_2. electr ical characteristics note : the design of the inverter must have specifications for the lamp in lcd assembly . the performance of the lamp in lcm, for example life time or brightness, is extremely influenced by the characteristics of the dc-ac inverter. so all the parameters of an inverter should be carefully designed so as not to produce too much leakage current from high-voltage output of the inverter. when you design or order the inverter, please make sure unwanted lighting caused by the mismatch of the lamp and the inverter (no lighting, flicker, etc) never occurs. when you confirm it, the lcd? assembly should be operated in the same condition as installed in you instrument. do not attach a conducting tape to lamp connecting wire. if the lamp wire attach to a conducting tape, tft-lcd module has a low luminance and the inverter has abnormal action. because leakage current is occurred between lamp wire and conducting tape. 1. specified values are for a single lamp. 2. operating voltage is measured at 25 2 c. the variance of the voltage is 10%. 3. the voltage above v s should be applied to the lamps for more than 1 second for start-up. (inverter open voltage must be more than lamp starting voltage.) otherwise, the lamps may not be turned on. the used lamp current is the lamp typical current. 4. lamp frequency may produce interface with horizontal synchronous frequency and as a result this may cause beat on the display. therefore lamp frequency shall be as away possible from the horizontal synchronous frequency and from its harmonics in order to prevent interference. 5. let?s define the brightness of the lamp after being lighted for 5 minutes as 100%. t s is the time required for the brightness of the center of the lamp to be not less than 95%. 6. the lamp power consumption shown above does not include loss of external inverter. the used lamp current is the lamp typical current. (p bl = v bl x i bl x n lamp ) 7. the life is determined as the time at which bright ness of the lamp is 50% compared to that of initial value at the typical lamp current on condition of continuous operating at 25 2 c. 6 watt 21.62 19.65 p bl power consumption 1, 5 min 3 t s discharge stabilization time at 0 c at 25 c v rms 1,400 4 khz 70 60 40 f bl operating frequency 1, 3 vs established starting voltage v rms 1,100 1, 2 v rms 790(3ma) 655(7.5ma) 645(8.0ma) v bl operating voltage 1 ma rms 8.0 7.5 3.0 i bl operating current lamp : 1, 7 hrs 40,000 life time parameter symbol max typ min notes unit values product specification 8/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 i p i -p * asymmetry rate: | i p ?i ?p | / i rms x 100% * distortion rate i p (or i ?p ) / i rms 8. the output of the inverter must have symmetrical(negative and positive) voltage waveform and symmetrical current waveform (unsymmetrical ratio is less than 10%). please do not use the inverter which has unsymmetrical voltage and unsymmetrical current and spike wave. requirements for a system inverter design, which is intended to have a better display performance, a better power efficiency and a more reliable lamp, are following. it shall help increase the lamp lifetime and reduce leakage current. a. the asymmetry rate of the inverter waveform should be less than 10%. b. the distortion rate of the waveform should be within 2 10%. * inverter output waveform had better be more similar to ideal sine wave. 9. the inverter which is combined with this lcm, is highly recommended to connect coupling(ballast) condenser at the high voltage output side. when y ou use the inverter which has not coupling(ballast) condenser, it may cause abnormal lamp light ing because of biased mercury as time goes. 10.in case of edgy type back light with over 4 parallel lamps, input current and voltage wave form should be synchronized product specification 9/ 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 3-2. interface connections table 3. module connector(cn1) pin configuration lcd connector(cn1) : gt101-30s-h16 (manufactured by lgc) or equivalent mating connector : fi-x30h (manufactured by jae) or equivalent note: 1. nc: no connection. 2. all gnd(ground) pins should be connected together and to vss which should also be connected to the lcd?s metal frame. 3. all v lcd (power input) pins should be connected together. 4. input level of lvds signal is based on the iea 664 standard. rear view of lcm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 pin no symbol description fr0m fr0p fr1m fr1p fr2m fr2p gnd fclkinm fclkinp fr3m fr3p sr0m sr0p gnd sr1m sr1p gnd sr2m sr2p sclkinm sclkinp sr3m sr3p gnd nc nc nc v lcd v lcd v lcd minus signal of odd channel 0 (lvds) plus signal of odd channel 0 (lvds) minus signal of odd channel 1 (lvds) plus signal of odd channel 1 (lvds) minus signal of odd channel 2 (lvds) plus signal of odd channel 2 (lvds) ground minus signal of odd clock channel (lvds) plus signal of odd clock channel (lvds) minus signal of odd channel 3 (lvds) plus signal of odd channel 3 (lvds) minus signal of even channel 0 (lvds) plus signal of even channel 0 (lvds) ground minus signal of even channel 1 (lvds) plus signal of even channel 1 (lvds) ground minus signal of even channel 2 (lvds) plus signal of even channel 2 (lvds) minus signal of even clock channel (lvds) plus signal of even clock channel (lvds) minus signal of even channel 3 (lvds) plus signal of even channel 3 (lvds) ground no connection no connection no connection power supply +12.0v power supply +12.0v power supply +12.0v second data first data gt101-30s-h16(lgc) 30 1 product specification 10 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 table 4. required signal assignment for flat link(ti:sn75lvds83) transmitter notes : refer to lvds transmitter data sheet for detail descriptions. pin # require signal pin name pin # require signal pin name 1 power supply for ttl input v cc 29 ground pin for ttl gnd 2 ttl input (r7) d5 30 ttl input (de) d26 3 ttl input (r5) d6 31 ttl level clock input t x clkin 4 ttl input (g0) d7 32 power down input pwr dwn 5 ground pin for ttl gnd 33 ground pin for pll pll gnd 6 ttl input (g1) d8 34 power supply for pll pll v cc 7 ttl input (g2) d9 35 ground pin for pll pll gnd 8 ttl input (g6) d10 36 ground pin for lvds lvds gnd 9 power supply for ttl input v cc 37 positive lvds differential data output 3 txout3 10 ttl input (g7) d11 38 negative lvds differential data output 3 txout3 11 ttl input (g3) d12 39 positive lvds differential clock output t x clkout 12 ttl input (g4) d13 40 negative lvds differential clock output t x clkout 13 ground pin for ttl gnd 41 positive lvds differential data output 2 t x out2 14 ttl input (g5) d14 42 negative lvds differential data output 2 t x out2 15 ttl input (b0) d15 43 ground pin for lvds lvds gnd 16 ttl input (b6) d16 44 power supply for lvds lvds v cc 17 power supply for ttl input v cc 45 positive lvds differential data output 1 t x out1 46 negative lvds differential data output 1 t x out1 18 ttl input (b7) d17 47 positive lvds differential data output 0 t x out0 48 negative lvds differential data output 0 t x out0 19 ttl input (b1) d18 20 ttl input (b2) d19 49 ground pin for lvds lvds gnd 21 ground pin for ttl input gnd 22 ttl input (b3) d20 23 ttl input (b4) d21 50 ttl input (r6) d27 51 ttl input (r0) d0 24 ttl input (b5) d22 25 ttl input (rsvd) d23 52 ttl input (r1) d1 53 ground pin for ttl gnd 26 power supply for ttl input v cc 54 ttl input (r2) d2 55 ttl input (r3) d3 27 ttl input (hsync) d24 56 ttl input (r4) d4 28 ttl input (vsync) d25 product specification 11 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 table 5. backlight connector pin configuration(cn2,cn3,cn4,cn5) product specification 12 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 3-3. signal timing specifications table 6. timing table this is the signal timing required at the input of the us er connector. all of the interface signal timing should be satisfied with the following specifications for it?s proper operation. note : hsync period and hsync width-active should be even number times of t clk . if the value is odd number times of t clk , display control signal can be asynchronous. in order to operate this lcm a hsync, vsync and de (data enable) signals should be used. 1. the performance of the electro-optical characte ristics may be influenced by variance of the vertical refresh rates. 2. vsync, hsync should be keep the above specification. 3. hsync period, hsync width and horizontal back porch should be any times of a character number (8). t clk - 56 8 t wh width t hp khz t vp -t vv - 10 - vertical blank t hp -t hv - 24 - horizontal blank t hp - 38 1 t vbp vertical back porch t clk - 124 8 t hbp horizontal back porch - 24 8 t hfp horizontal front porch 1024 1024 1024 t vv vertical valid - 1 1 t vfp vertical front porch hz 75 60 47 f v frequency - 3 2 t wv width 79.95 63.98 50.10 f h frequency t clk 1024 844 664 t hp period hsync t hp 1098 1066 1034 t vp period vsync 640 640 640 t hv horizontal valid de (data enable) mhz 67.5 54.0 42.3 - frequency ns 14.82 18.52 23.65 t clk period dclk note unit max typ min symbol item product specification 13 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 3-4. signal timing waveforms 0.7v cc 0.3v cc t clk invalid data valid data invalid data invalid data invalid data pixel 0,0 pixel 2,0 pixel 1,0 pixel 3,0 de(data enable) valid data 0.5 v cc t hp t hbp t hv t hfp t vp t wv t vbp t vv t vfp hsync vsync de(data enable) de(data enable) dclk first data second data hsync, vsync, de, data t wh product specification 14 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 3-5. color input data reference the brightness of each primary color (red,green and blue) is based on the 8-bit gray scale data input for the color ; the higher the binary input, the brighter the color. the table below provides a reference for color versus data input. table 9. color data reference color basic color red green blue black red (255) green (255) blue (255) cyan magenta yellow white input color data red msb lsb green msb lsb blue msb lsb 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 r7 r6 r5 r4 r3 r2 r1 r0 g7 g6 g5 g4 g3 g2 g1 g0 b7 b6 b5 b4 b3 b2 b1 b0 red(000) dark red(001) red(002) --------- --------- red(253) red(254) red(255) bright 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 1 - - 0 1 1 0 1 0 - - 1 0 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 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 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 - - 0 0 0 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 1 - - 0 1 1 0 1 0 - - 1 0 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 0 green(000) dark green(001) green(002) --------- --------- green(253) green(254) green(255) bright blue(000) dark blue(001) blue(002) --------- --------- blue(253) blue(254) blue(255) bright 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 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 0 0 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 0 - - 1 1 1 0 0 1 - - 0 1 1 0 1 0 - - 1 0 1 product specification 15 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 3-6. power sequence notes : 1. please avoid floating state of interface signal at invalid period. 2. when the interface signal is invalid, be sure to pull down the power supply for lcd v lcd to 0v. 3. lamp power must be turn on after power supply for lcd an interface signal are valid. ms - - 1 t7 ms 100 - - t6 ms 50 - 0.5 t2 ms ms - - 200 t3 - - 200 t4 ms 50 - 0.5 t5 ms 10 - 1 t1 max typ min units values parameter interface signal (tx) power for lamp power supply for lcd v lcd table 8. power sequence 10% 0v 90% 90% 10% t 1 t 2 t 5 t 6 t 7 t 3 t 4 10% 10% valid data lamp on 0v 0ff 0ff product specification 16 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 4. optical specification optical characteristics are determined after the unit ha s been ?on? for 30 minutes in a dark environment at 25 c. the values specified are at an approximate dist ance 50cm from the lcd surface at a viewing angle of and equal to 0 . fig. 1 presents additional information conc erning the measurement equipment and method. table 9. optical characteristics ta= 25 c , v lcd =12.0v, f v =60hzdclk=54mhz, i bl =7.5ma 6 - gray scale 5p y axis, down ( =270 ) y axis, up ( =90 ) x axis, left ( =180 ) x axis, right( =0 ) 88 85 d 88 85 u 88 85 l 5 degree 88 85 r viewing angle (cr>10) white blue green red 0.602 gy 0.299 gx 0.074 by 0.145 bx 0.329 wy 0.313 wx decay time rise time 4 ms 20 13 - tr d 0.344 ry typ +0.03 0.640 typ -0.03 rx color coordinates [cie1931] 4 ms 20 12 - tr r response time 3 1.25 white luminance variation 2 cd/m 2 - 250 200 l wh surface luminance, white 1 notes units - 400 250 cr contrast ratio max typ min values symbol parameter 50cm fig. 1 optical characteristic measurement equipment and method optical stage(x,y) lcd module pritchard 880 or equivalent product specification 17 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 notes : figure 6. luminance measuring point product specification 18 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 tr r tr d 100 90 10 0 optical response white black black figure 7. response time the response time is defined as the following figure and shall be measured by switching the input signal for each gray to gray. 4. response time is the time required for the display to transition from black to white(rise time, tr r ) and from white to black(decay time, tr d ). for additional information see [ figure 7 ]. the sampling rate is 2,500 sample/sec. 5. viewing angle is the angle at which the contrast ratio is greater than 10. the angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the lcd surface. for more information see figure 8 . figure 8. viewing angle product specification 19 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 table 12. gray scale 6. gray scale specification 19.8 l111 25.3 l127 3.05 l47 5.69 l63 9.59 l79 14.4 l95 1.37 l31 0.46 l15 0.30 l0 luminance [%] (typ) gray level 33.2 l143 42.4 l159 52.4 l175 62.4 l191 73.0 l207 83.6 l223 93.0 l239 100 l255 luminance [%] (typ) gray level product specification 20 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 5. mechanical characteristics the contents provide general mechanical characteristics. in addition the figures in the next page are detailed mechanical drawing of the lcd. 301.056mm vertical hard coating(3h) anti-glare treatment of the front polarizer surface treatment 2,800g (typ.) 2,940(max) weight 305mm vertical 330.0mm vertical 22.3 mm depth 376.32mm horizontal active display area 380.3 mm horizontal bezel area 404.20mm horizontal outline dimension notes : please refer to a mechanic drawing in terms of tolerance at the next page. product specification 21 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 product specification 22 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 product specification 23 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 6. reliability environment test condition wave form : random vibration level : 1.0g rms bandwidth : 10-500hz duration : x,y,z, 20 min one time each direction vibration test (non-operating) 5 0 - 10,000 feet(3048m) 0 - 40,000 feet(12,192m) altitude operating storage / shipment 7 shock level : 100g waveform : half sine wave, 2ms direction : x, y, z one time each direction shock test (non-operating) 6 ta= 0 c 240h low temperature operation test 4 ta= 50 c 50%rh 240h high temperature operation test 3 ta= -20 c 240h low temperature storage test 2 ta= 60 c 240h high temperature storage test 1 no test item condition { result evaluation criteria } there should be no change which might affect the practical display function when the display quality test is conducted under normal operating condition. product specification 24 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 7. international standards 7-1. safety a) ul 60950, third edition, underwriters laboratories, inc., dated dec. 11, 2000. standard for safety of information technology equi pment, including electrical business equipment. b) can/csa c22.2, no. 60950, third edition, canadian standards association, dec. 1, 2000. standard for safety of information technology equi pment, including electrical business equipment. c) en 60950 : 2000, third edition iec 60950 : 1999, third edition european committee for electrotechnical standardization(cenelec) european standard for safety of information technology equipment including electrical business equipment. 7-2. emc a) ansi c63.4 ?methods of measurement of radio- noise emissions from low-voltage electrical and electrical equipment in the range of 9khz to 40ghz. ?american national standards institute(ansi), 1992 b) c.i.s.p.r ?limits and met hods of measurement of radio interf ace characteristics of information technology equipment.? international special committee on radio interference. c) en 55022 ?limits and methods of measurement of radio interface characteristics of information technology equipment.? european committee for electrotechnical standardization.(cenelec), 1998 ( including a1: 2000 ) product specification 25 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 8. packing 8-1. designation of lot mark a) lot mark abcdefghi jklm a,b,c : inch d : year e : month f : panel code g : factory code h : assembly code i,j,k,l,m : serial no note 1. year 2. month mark year 6 2006 2 2002 3 2003 4 2004 5 2005 0 2000 1 2001 7 9 8 7 2007 99 98 97 b nov mark month a oct 6 jun 7 jul 8 aug 9 sep 4 apr 5 may c 4 2 1 dec mar feb jan 5. serial no mark serial no. a0001 ~ a9999, ----, z 9999 00001 ~ 99999 100,000 ~ 1 ~ 99,999 4. factory code mark factory code c k lpl nanjing lpl gumi 3. panel code 5 p5 factory 4 p4 factory 3 p3 factory h hydis panel 2 p2 factory mark panel code 1 p1 factory product specification 26 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 b) location of lot mark serial no. is printed on the label. the label is attached to the backside of the lcd module. this is subject to change without prior notice. 8-2. packing form a) package quantity in one box : 5 pcs b) box size : 533mm 310mm 459mm product specification 27 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 9. precautions please pay attention to the followings when you use this tft lcd module. 9-1. mo unting precautions (1) you must mount a module using holes arranged in four corners or four sides. (2) you should consider the mounting structure so that uneven force (ex. twisted stress) is not applied to the module. and the case on which a module is mounted s hould have sufficient strength so that external force is not transmitted directly to the module. (3) please attach the surface transparent protective plat e to the surface in order to protect the polarizer. transparent protective plate should have sufficient strength in order to the resist external force. (4) you should adopt radiation structure to satisfy the temperature specification. (5) acetic acid type and chlorine type materials for the cover case are not desirable because the former generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction. (6) do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than hb pencil lead. and please do not rub with dust clothes with chemical treatment. do not touch the surface of polarizer for bare hand or greasy cloth.(some cosmetics are detrimental to the polarizer.) (7) when the surface becomes dusty, please wipe gently wi th absorbent cotton or other soft materials like chamois soaks with petroleum benzene. normal-hexane is recommended for cleaning the adhesives used to attach front / rear polarizers. do not use acetone, toluene and alcohol because they cause chemical damage to the polarizer. (8) wipe off saliva or water drops as soon as possib le. their long time contact with polarizer causes deformations and color fading. (9) do not open the case because inside circuits do not have sufficient strength. 9-2. operating precautions (1) the spike noise causes the mis-operation of circuits. it should be lower than following voltage : v= 200mv(over and under shoot voltage) (2) response time depends on the temperature.(in lower temperature, it becomes longer.) (3) brightness depends on the temperature. (in lower temperature, it becomes lower.) and in lower temperature, response time(required time that brightness is stable after turned on) becomes longer. (4) be careful for condensation at sudden temperatur e change. condensation makes damage to polarizer or electrical contacted parts. and after fadi ng condensation, smear or spot will occur. (5) when fixed patterns are displayed for a l ong time, remnant image is likely to occur. (6) module has high frequency circuits. sufficient suppression to the electromagnetic interference shall be done by system manufacturers. grounding and shielding methods may be important to minimized the interference. (7) please do not give any mechanical and/or acous tical impact to lcm. otherwise, lcm can not be operated its full characteristics perfectly. (8) a screw which is fastened up the steels should be a machine screw (if not, it causes metal foreign material and deal lcm a fatal blow) (9) please do not set lcd on its edge. product specification 28 / 29 LM190E01 liquid crystal display ver. 1.0 jul. 30, 2003 since a module is composed of electronic circuits, it is not strong to electrostatic discharge. make certain that treatment persons are connected to ground through wris t band etc. and don?t touch interface pin directly. 9-3. electrostatic discharge control strong light exposure causes degradation of polarizer and color filter. 9-4. precautions for strong light exposure when storing modules as spares for a long time, the following precautions are necessary. (1) store them in a dark place. do not expose the module to sunlight or fluorescent light. keep the temperature between 5 c and 35 c at normal humidity. (2) the polarizer surface should not come in contact with any other object. it is recommended that they be stored in the container in which they were shipped. 9-5. storage 9-6. handling precaution s for protection film (1) the protection film is attached to the bezel with a small masking tape . when the protection film is peeled off, static electricity is generated betw een the film and polarizer. this should be peeled off slowly and carefully by people who are electrically grounded and with well ion-blown equipment or in such a condition, etc. (2) when the module with protection film attached is stored for a long time, sometimes there remains a very small amount of glue still on the bezel after the protection film is peeled off. (3) you can remove the glue easily. when the glue remains on the bezel surface or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-hexane. |
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