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product specification 1 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 gleichmann & co. electronics gmbh product marketing displays & systems industriestr. 16, d- 76297 stutensee tel :07249-910-0, fax: 07249-910-559 http://www.msc-ge.com www..net www..net
product specification 2 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 contents 27 appendix 13 8 interface connections 3-2 color input data refernece 3-5 24 designation of lot mark 8-1 24 packing form 8-2 24 packing 8 25 precautions 9 23 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 11 signal timing specifications 3-3 12 signal timing waveforms 3-4 14 power sequence 3-6 15 optical sfecifications 4 19 mechanical characteristics 5 22 reliablity 6 23 international standards 7 23 safety 7-1 page item no www..net www..net
product specification 3 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 record of revisions first draft (preliminary) - jan.17.2003 0.0 description page revision date revision no the white color coordination change ( tbd,tbd 0.314,0.331) 15 feb.06.2003 1.0 www..net www..net
product specification 4 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 1. general description the LM230W01 lcd is a color active matrix liquid crystal display with an integral cold cathode fluorescent lamp(ccfl) back light system. the matrix employs a-si thin film transistor as the active element. it is a tra nsmissive type display operating in the normally black mode. this tft-lcd has a 23.0 inch diagonally measu red active display area with wuxga resolution(1920 vertical by 1200 horizontal pixel array). each pixel is divid ed into red, green and blue sub-pixels or dots which are arranged in vertical stripes. gray scale or the lumina nce of the sub-pixel color is determined with a 8-bit gray scale signal for each dot, thus, presenting a palette of more than 16,777,216 colors. the LM230W01 has been designed to apply the tmds tm (transition minimized differential signaling) as the int erface method to enables a simple and low-cost implementation in both the host and monitor. general features 0.258 mm x 0.258mm pixel pitch tmds (hsync/de) interface 6 ccfl?s(cold cathode fluorescent lamp) lamp 8-bit, 16,777,216 colors color depth 1920 horiz. by 1200 vert. pixels rgb stripes arrangement pixel format 200 cd/m 2 (typ.) luminance, white total 47 watt(typ.) power consumption 4,500 g (typ.) weight transmissive mode, normally black display operating mode hard coating(3h) anti-glare treatment of the front polarizer, surface treatment 495.36[mm] 309.6[mm] active area 550.0(h) x 360.5(v) x 25.0(d) mm(typ.) outline dimension 23.0 inches(58.4cm) diagonal active screen size source (left) panel panel panel panel 1 920 x 1 200 1 920 x 1 200 1 920 x 1 200 1 920 x 1 200 g a t e tim ing tim ing tim ing tim ing c o n tro lle r c o n tro lle r c o n tro lle r c o n tro lle r rgb (24bit) clk rgb (24bit) tm d s tm d s tm d s tm d s receiver receiver receiver receiver rg b data clk c l k dc/dc dc/dc dc/dc dc/dc c onverter c onverter c onverter c onverter in p u t 1 8v vcc, vdd gamma gamma gamma gamma user co n (2 0 p i n) po w er co n ( 1 5pi n) rxc +/- rx0 +/- rx 1 +/- rx2 +/- v0~ v 1 7 vc c vg h ,vg l pw r_o n h sync, vsync source (ri ght) hsync vsync www..net www..net
product specification 5 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 2. absolute maximum ratings the following are maximum values which, if exceeded, may cause operation or damage to the unit. note : 1. temperature and relative humidity 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 1 %rh 90 10 h op operating ambient humidit y 1 %rh 90 10 h st storage humidity 1 c 60 -20 h st storage temperature 1 c 50 0 t op operating temperature at 25 5 c vcc 21 -0.3 vcc power input voltage max min parameter notes values symbol www..net www..net
product specification 6 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 3. electrical specifications 3-1. electrical characteristics the LM230W01 requires two power inputs. one input is employed to power the lcd electronics and to d rive the voltages to drive the tft array and liquid crystal. and the second input which powers the ccfl, i s typically generated by an inverter. the inverter is an external unit to the lcd. table 2. electrical characteristics notes : 1. the input current shall be measured at v cc of 18.0vdc at 25 , refresh rate of 60hz, and pixel clock frequency of 156mhz under mosaic pattern(8x6) (typ). 2. the measuring condition the duration of rush current is about 20ms, and rising time of power input is 1ms. 3. the variance of the voltage is 10%. 4. operating voltage is measured at 25 c. the variance of the voltage is 10%. 5. the output voltage at the transformer in the inverter must be high considering to the loss of the ballast capacitor in the inverter. the voltage above v s should be applied to the lamps for more than 1 second for start-up. otherwise, the lamps may not be turned on. 6. 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. 7. the lamp power consumption shown above does not include loss of external inverter at 25 c. the used lamp current is the lamp typical current. 7 min 3 - - ts discharge stabilization time 6 watt 45.1 41.0 - p bl power consumption at 0 c at 25 c v rms 1960 - - 5 khz 60 50 40 f bl operating frequency 4 vs established starting voltage v rms 1400 - - 3 v rms 1090(2.5ma) 875(7.5ma) 830(9ma) v bl operating voltage ma 9.0 7.5 2.5 i bl operating current lamp : 1 watt 11.7 8.1 - pc power consumption 2 a 3 - - i rush inrush current vdc 19.0 18.0 17.0 vcc power supply input voltage 1 a 0.65 0.45 - icc power supply input current 8 hrs 30,000 life time module : parameter symbol max typ min notes unit values www..net www..net
product specification 7 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 8. 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%. the used lamp current is the lamp typical current. 9. the life time is defined as the time at which brightness of lamp is 50% compare to that of initial value at the typical lamp current on condition of continuous operating at 25 2 c. note. do not attach a conducting tape to 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. 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. requirements for a system inverter design, which is intended to have a better display performance, a better power efficiency and a more reliable lamp. it shall help increase the lamp lifetime and reduce its leakage current. a. the asymmetry rate of the inverter current and voltage waveform should be 10% below; b. the distortion rate of the current and voltage waveform should be within 2 10%; c. the ideal sine current and voltage waveform shall be symmetric in positive and negative polarities. * asymmetry rate = | i p ? i ?p | / i rms * 100% * distortion rate = i p (or i ?p ) / i rms www..net www..net
product specification 8 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 3-2. interface connections this lcd employs three kinds of interface connections. a 20 pin connector is used for tmds signals from t he host computer. a 15-pin connector is used for lcd module power and lcm controls signal from external monitor control circuits. and six connectors, two pin connector, are used for the integral backlight system. 3-2-1. signal interface the tmds signal interface connector is fi-xl20s-hf by jae. the pin configuration for the 20 pin connector is shown in the table below. table 3 20pin connector (cnc6) pin configuration notes: 1. all shield pins and gnd(ground) pin should be connected together and should also be connected to the lcd?s metal frame. 2.3 connector pin arrangement 2.2 mating : fi-xl20h or compatible 2.1 lcd : fi-xl20s-hf 2. connector 1.1 lcd : ptfp 403 pzp (ti) tmds positive differential output (channel 0) tx0+ 12 ground gnd 2 tmds negative differential output (channel 0) tx0- 13 ground gnd 3 shield for tmds channel c shldc 14 ground gnd 4 tmds positive differential output (channel c) txc+ 15 shield for tmds channel 2 shld2 5 tmds negative differential output (channel c) txc- 16 tmds positive differential output (channel 2) tx2+ 6 ground gnd 17 tmds negative differential output (channel 2) tx2- 7 ground gnd 18 shield for tmds channel 1 shld1 8 ground gnd 19 tmds positive differential output (channel 1) tx1+ 9 ground gnd 20 tmds negative differential output (channel 1) tx1- 10 1. interface chips description symbol pin description symbol pin gnd shield for tmds channel 0 shld0 11 ground 1 20. 1 cnc6 www..net www..net
product specification 9 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 3-2-2. power interface a 15 pin connector (cnc7) for external monitor control circuits, is a model 53261 manufactured by molex. the mating connector part number is 51021 or its equivalent. the pin configuration for this connector is sho wn in the table below. table 4 15 pin connector (cnc7) pin configuration notes: 1. all gnd(ground) pins should be connected together and should also be connected to the lcd?s metal frame. notes ground vsync output hsync output ground ddc data line out ddc clock line out ground lcm power supply, +18v 5% lcm power supply, +18v 5% lcm power supply, +18v 5% lcm power supply, +18v 5% ground power on control signal input 5v(h:90%,l:10%) ground ground description gnd vs_out hs_out gnd ddc_dat ddc_clk gnd vcc vcc vcc vcc gnd pwr_on gnd gnd symbol 4 2 15 14 13 12 11 10 9 8 7 6 5 3 connector pin arrangement 1 pin 15 1 cnc7 www..net www..net
product specification 10 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 3-2-3. backlight interface the backlight interface connector is a model bhsr-02vs-1(cn2/cn3) and bhsr-05vs-1 (cn1/cn4) man ufactured by jst. the mating connector part number are sm02b-bhss-1-tb(2pin), sm04(9-e2)b-bhs-1-t b or equivalent. the pin configuration for the connector is shown in the table below. table 5 backlight connector pin configuration notes: 1. the high voltage power terminal is colored pink,blue,gray. ground pin color is white. lv hv lv nc hv hv symbol cn4 power supply for lamp 3(low voltage side) - white 2 1 power supply for lamp 3(high voltage side) - gray 1 cn2 power supply for lamp 1(low voltage side) - white 4 nc 3 1 power supply for lamp 2(high voltage side) - blue 2 1 power supply for lamp 1(high voltage side) - pink 1 cn1 notes description pin no 5 lv power supply for lamp 2(low voltage side) - white lv nc hv hv power supply for lamp 5(low voltage side) - white 4 nc 3 1 power supply for lamp 5(high voltage side) - blue 2 1 power supply for lamp 6(high voltage side) - pink 1 5 lv power supply for lamp 6(low voltage side) - white lv hv 1 power supply for lamp 4(high voltage side) - gray 1 cn3 power supply for lamp 4(low voltage side) - white 2 cn 1 lamp1 lamp 2 cn 2 lamp 3 lamp 4 up side down side cn 3 cn 4 lamp 5 lamp 6 www..net www..net
product specification 11 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 3-3. signal timing specifications this is signal timing required at the input of the tmds transmitter. all of the interface signal timing should be satisfied with the following specifications for it?s proper operation. table 6. timing table notes: 1. hsync period shall be a double number of 8 2. horizontal sync shall be active high. 3. vertical frequency should be keep the above specification when the resolution & mode are changed. 4. vertical sync shall be active high. 4 3 2 t hp t wv+ t vbp+ t vfp - 12 6 - vertical blank - 3 1 t vfp vertical front porch - 6 3 t vbp vertical back porch 1200 1200 1200 t vv vertical valid t clk t hp symbol - 128 16 t hbp horizontal back porch - 64 16 t hfp horizontal front porch t wh+ t hbp+ t hfp - 224 64 - horizontal blank hz 64 60 56 f v frequency - 3 2 t wv width-active 32 32 32 t wh width-active 1 t clk - 2144 1984 t hp period hsync t hp - 1212 1206 t vp period vsync 1920 1920 1920 t hv horizontal valid data enable mhz 158 156 154 f clk frequency ns 6.33 6.41 6.49 t clk period dclk note unit max typ min item www..net www..net
product specification 12 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 3-4. signal timing waveforms dclk hsync, vsync, de, data t clk 0.5v cc valid invalid invalid de(data enable) 0.7vcc 0.3vcc data data are latched at the falling edge of dclk hsync de(data enable) de(data enable) t wh t hp t hfp t hbp t vp t wv t vbp t vfp t hv t vv vsync www..net www..net
product specification 13 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 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 7. color data reference 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) green 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 green (001) ... ... ... ... 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 (254) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 green (255) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 red (000) red 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 red (001) ... ... ... ... 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 red (254) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 red (255) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (001) ... ... ... ... 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (254) 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (255) blue (000) white yellow magenta cyan blue (255) green (255) red (255) 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 basic color 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 blue msb lsb green msb lsb red msb lsb b7 b6 b5 b4 b3 b2 b1 b0 g7 g6 g5 g4 g3 g2 g1 g0 r7 r6 r5 r4 r3 r2 r1 r0 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 color input color data www..net www..net
product specification 14 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 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 cc to 0v. 3. lamp power must be turn on after power supply for lcd and interface signal are valid. 4. when connector is hot-plug and plug,t2 & t8 min spec can be 0ms. ms - - 10 - - - 400 50 - t7 t8 t9 ms 80 - - t6 ms - - 50 t2 ms ms 50 - - t3 - - 100 t4 ms 50 - - t5 ms 10 - - t1 max typ min units values parameter interface signal, v i (digital rgb signal, scdt ,v sync , h sync , de, clock to panellink transmitter) power supply for backlight inverter power supply, v cc pwr_ctrl signal for lcm power down 90% v cc 90% 10% 10% t9 90% 10% t1 t8 t3 t7 t6 t6 t2 t4 customers can monitor h sync , ,v sync with v cc on. invalid period ( monitoring h sync , ,v sync ) valid period valid period 0v 0v t5 lamp on lamp off lamp off t3 t4 t5 5v www..net www..net
product specification 15 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 4. optical specifications optical characteristics are determined after the unit has been ?on? and stable for approximately 30 minutes in a dark environment at 25 c. the values specified are at an approximate distance 50cm from the lcd surface at a viewing angle of and equal to 0 and aperture 1 degree. fig. 1 presents additional information concerning the measurement equipment and method. fig. 1 optical characteristic measurement equipment and method lcd module optical stage(x,y) field = 1 prichard 880 or equivalent 500mm table 8. optical characteristics (ta=25 c, v cc =18.0v, f v =60hz dclk= 156 mhz, i bl =7.5ma) 0.100 0.070 0.040 by 0.344 0.314 0.284 wx white 4 ms 45 25 tr response time y axis, down ( =270 ) y axis, up ( =90 ) x axis, left ( =180 ) x axis, right( =0 ) 5 degree 85 r 85 l 85 u 85 d blue 0.361 0.331 0.301 wy viewing angle 6 2.2 gray scale green red decay time rise time 0.333 0.303 0.273 gx 0.616 0.586 0.556 gy 0.667 0.637 0.607 rx 0.360 0.330 0.300 ry (22) 12 tr d color coordinates 3 35% white luminance variation 0.175 0.145 0.115 bx (23) 13 tr r max typ min 1 400 300 cr contrast ratio 2 cd/m 2 200 170 l wh surface luminance, white parameter symbol notes units values www..net www..net
product specification 16 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 notes : h/ 1 6h/ 1 6 v/ 1 0 v/ 1 0 v/2 v/4 p6 p7 p8 p9 p 1 p 1 0 p 11 p 1 2p 1 3 p2 p4 p5 p3 h/2 h/4 1. contrast ratio(cr) is defined mathematically as : surface luminance with all white pixels contrast ratio = surface luminance with all black pixels contrast ratio shall be measured at the center of the display (location p1). 2. average luminance (l wh )is average of luminance value at location p1 to p5 with all pixels displaying white 3. the variation in surface luminance, white is defined as maximum (p1, p2, ....p13) - minimum (p1, p2, ....p13) white = x 100 average(p1, p2, ....p5) where p1 to p13 are the luminance with all pixels displaying white at 13 locations. l wh = 5 p1 + p2 + p3 + p4 + p5 www..net www..net
product specification 17 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 4. the response time is defined as the following figure and shall be measured by switching the input signal for ?black? and ?white?. 100 90 10 0 % optical response white black white tr d tr r 5. viewing angle is the angle at which the contrast ratio is greater than 10. = 90 ( 1 2:00) yu = 0 z z' yd = 180 (9:00) a = 0 (3:00) xr = 270 (6:00) tft lcd module xl www..net www..net
product specification 18 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 6. grayscale specification 0.3 0 100 75.4 53.0 35.2 21.2 11.7 4.7 1.2 255 223 191 159 127 95 63 31 relative luminance [%] (typ.) gray level www..net www..net
product specification 19 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 5. mechanical characteristics the contents provide general mechanical characteristics for the model LM230W01. in addition the figures in the next page are detailed mechanical drawing of the lcd. 309.6mm vertical hard coating(3h) anti-glare treatment of the front polarizer surface treatment 5000g (max.) 4500g (typ.) weight 313.6mm vertical 360.5 +0.7/-0.5mm vertical 25.0 0.7mm depth 495.36mm horizontal active display area 499.4mm horizontal bezel area 550.0 +0.7/-0.5mm horizontal outline dimension www..net www..net
product specification 20 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 www..net www..net
product specification 21 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 www..net www..net
product specification 22 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 6. reliability environment test 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. wave form : random vibration level : 1.0g rms bandwidth : 10-500hz duration : x,y,z, 10 min one time each direction vibration test (non-operating) 5 0 - 40,000 feet(12,192m) altitude storage / shipment 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 www..net www..net
product specification 23 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 7. international standards 7-1. safety a) ul 1950 third edition, underwriters laboratories, inc. jan. 28, 1995. standard for safety of information technology equipment including electrical business equipment. b) can/csa c22.2 no. 950-95 third edition, canadian standards association, jan. 28, 1995. standard for safety of information technology equipment including electrical business equipment. c) en 60950 : 1992+a1: 1993+a2: 1993+a3: 1995+a4: 1997+a11: 1997 iec 950 : 1991+a1: 1992+a2: 1993+a3: 1995+a4: 1996 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 methods of measurement of radio interface 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 www..net www..net
product specification 24 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 8. packing 8-1. designation of lot mark a) lot mark abcdefghi jklm a,b,c : size d : year e : month f,g : panel code h : assembly code i,j,k,l,m : serial no. note: 1. year b) location of lot mark year mark 97 7 98 8 99 9 2000 0 2001 1 2002 2 2003 3 2004 4 2005 5 2006 6 2007 7 2. month month mark jan. 1 feb. 2 mar. 3 apr. 4 may. 5 jun. 6 jul. 7 aug. 8 sep. 9 oct. a nov. b dec. c 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 : 3 pcs b) box size : tbd 3. serial no. serial no. mark 1 ~ 99999 00001 ~ 99999 100000 ~ a0001 ~ a9999, , z 9999 www..net www..net
product specification 25 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 9. precautions please pay attention to the following when you use this tft lcd module. 9-1. mounting 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 should have sufficient strength so that external force is not transmitted directly to the module. (3) please attach a transparent protective plate 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 describe 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 determined to the polarizer.) (7) when the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. only ips 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 possible. 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 temperature change. condensation makes damage to polarizer or electrical contacted parts. and after fading condensation, smear or spot will occur. (5) when fixed patterns are displayed for a long 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. www..net www..net
product specification 26 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 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 wrist 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 (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 between 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 or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-hexane. 9-6. handling precautions for protection film www..net www..net
product specification 27 / 27 LM230W01 liquid crystal display ver. 1.0 feb . 06 . 2003 appendix 1 : required signal assignment for tmds www..net www..net

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