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doc . no LTM150XO-L21 page /24 1spevdu *ogpsnbujpo samsung tft-lcd model no .: LTM150XO-L21 www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 contents general descripti on -------------------------- (4) 1. absolute maximum rat ings -------------------------- (5) 1.1 absolute ratings of environment 1.2 electrical absolute ratings 2. optical characteristics -------------------------- (6) 3. electrical characteristics -------------------------- (10) 3.1 tft lcd module 3.2 back-light unit 4. block diagram -------------------------- (13) 4.1 tft lcd module 4.2 back-light unit 5. input terminal pin assignment -------------------------- (14) 5.1 input signal & power 5.2 lvds interface 5.3 back-light unit 5.4 pixel format 5.5 input signals, basic display colors and gray scale of each color 6. interface timing -------------------------- (18) 6.1 timing parameters (de only mode) 6.2 timing diagrams of interface signal (de only mode) 6.3 power on/off sequence 7. outline dimension -------------------------- (21) 8 general precaution -------------------------- (23) 8.1 handling 8.2 storage 8.3 operation 8.4 others www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 general description * description ltm150xo-l01 is a color active matrix tft (thin film transistor) liquid crystal display (lcd) that uses amorphous silicon tfts as switching devices. this model is composed of a tft lcd panel, a driver circuit and a back-light system. the resolution of a 15.0" contains 1024 x 768 pixels and can display up to 16.2 millions colors. * features - high contrast ratio, high aperture structure - tn (twisted nematic) mode - wide viewing angle - high speed response - xga (1024 x 768 pixels) resolution - low power consumption - 2 ccfts (cold cathode fluorescent tube) - de (data enable) mode - lvds (low voltage differential signaling) interface (1pixel/clock) - compact size design - pb-free configuration - rohs compliance * applications desktop monitors display terminals for av application products monitors for industrial machine * general information items specification unit note display area 304.128(h) x 228.096(v) mm driver element a-si tft active matrix display colors 16.2m colors number of pixels 1024 x 768 pixel pixel arrangement rgb vertical stripe pixel pitch 0.297(h) x 0.297(w) mm display mode normally white surface treatment haze 25%, hard-coating (3h) www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 * mechanical information item min. typ. max. note module size horizontal(h) 326.0 326.5 327.0 mm vertical(v) 253.0 253.5 254.0 mm depth(d) - - 12.0 mm weight - - 1,050 g 1. absolute maximum ratings 1.1 absolute ratings of environment item symbol min. max. unit note storage temperature t stg -25 60 ? (1) operating temperature (glass surface temperature) t opr 050 ? (1) shock ( non - operating ) snop - 50 g (2),(4) vibration ( non - operating ) vnop - 1.5 g (3),(4) note (1) temperature and relative humidity range are shown in the figure below. 90 % rh max. ( 40 c ta ) maximum wet-bulb temperature at 39 c or less. (ta > 40 c) no condensation. (2) 11ms, sine wave, one time for x, y, z axis (3) 10-300 hz, sweep rate 10min, 30min for x,y,z axis (4) at vibration and shock test, the fixture which holds the module to be tested has to be hard and rigid enough so that the module would not be twisted or bent by the fixture. 0 20 40 60 80 100 -40 -20 0 20 40 60 80 5 90 operating range storage range relative humidity ( %rh) temperature ( o c) ( 60,27.7) ( 40, 90 ) ( 50, 50.4 ) ( 25,5) (-25,5) www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 1.2 electrical absolute ratings (1) tft lcd module (vss = gnd = 0 v) item symbol min. max. unit note power supply voltage v dd vss-0.3 4.0 v (1) note (1) within ta ( 25 2 c) (2) back-light unit ( ta = 25 2c) item symbol min. max. unit. note lamp current i l 3.0 9.0 marms (1),(2) lamp frequency f l 40 80 khz (1) note (1) permanent damage to the device may occur if maximum values are exceeded. functional operation should be restricted to the conditions described under normal operating conditions. (2) specified values are for a single lamp. (refer to the note (1) in the page 13 for further information). www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 2. optical characteristics the following items are measured under stable conditions. the optical characteristics should be measured in a dark room or equivalent state with the methods shown in note (1). measuring equipment : topcon bm-5a, bm-7, photo research pr650 eldim ez-contrast (inverter freq. : 50 khz) * ta = 25 2c, v dd =3.3v, fv= 60hz, f dclk =65mhz, i l =8.0ma rms item symbol condition min. typ. max. unit note contrast ratio (center of screen) c/r normal =0 =0 viewing angle 500 700 - (3) bm-5a response time rising tr - 2 4 msec (5) bm-7 falling tf - 6 10 luminance of white (center of screen) y l 200 250 - cd/m2 (6) bm-5a color chromaticity (cie 1931) red rx 0.600 0.630 0.660 (7) pr650 ry 0.300 0.330 0.360 green gx 0.270 0.300 0.330 gy 0.550 0.580 0.610 blue bx 0.120 0.150 0.180 by 0.060 0.090 0.120 white wx 0.283 0.313 0.343 wy 0.299 0.329 0.359 viewing angle hor. l cr 10 65 75 - degrees (8) bm-5a r6575- ver. h5060- l6575- brightness uniformity (9 points) buni - - 25 % (4) bm-5a www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 note (1) test equipment setup the measurement should be executed in a stable, windless and dark room between 30min and 40min after lighting the back-light at the given temperature for stabilization of the back-light. this should be measured in the center of screen. single lamp current : 8.0ma (refer to the note(1) in the page 13 for more information.) environment condition : ta = 25 2 c photodetector photodetector field bm-5a 2 bm-7 2 pr650 1 lcd panel tft - lcd module the center of the screen bm-5a : 40 y bm-7 : 50 y pr650 : 50 y field optical measuring equipment setup note (2) definition of test point : test point view area 96 384 670 (lines) 512 896 2 1 3 4 5 6 7 8 9 : test point : view area ( 128 2 2 1 1 3 3 4 4 5 5 6 6 7 7 8 8 9 9 : test point : test point view area 96 384 670 (lines) 512 896 2 2 1 1 3 3 4 4 5 5 6 6 7 7 8 8 9 9 : test point : view area ( 128 2 2 1 1 3 3 4 4 5 5 6 6 7 7 8 8 9 9 9 9 www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 note (3) definition of contrast ratio (c/r) : ratio of gray max (gmax) & gray min (gmin) at the center point of the panel cr g g = max min gmax : luminance with all pixels white gmin : luminance with all pixels black note (4) definition of 9 points brightness uniformity buni bb b =? ? 100 (max min) max bmax : maximum brightness bmin : minimum brightness note (5) definition of response time : sum of tr, tf time t r t f 10% 90% white(data off) 0% 100% white(data off) black(data on) display data optical instruments response note (6) definition of luminance of white : luminance of white at center point . note (7) definition of color chromaticity (cie 1931) color coordinate of red, green, blue & white at center point . www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 note (8) definition of viewing angle : viewing angle range (cr ? 10 ) 6 o?clock direction normal line l r h l 12 o?clock direction r =90 o l =90 o = 0 o , x x? y? y = 0 o h = 90 o l = 90 o www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 3. electrical characteristics 3.1 tft lcd module ta = 25 c item symbol min. typ. max. unit note power supply voltage v cc 3.0 3.3 3.6 v (1) differential input threshold voltage v h - - +100 mv v cm =1.2v v l -100 - - mv power consumption (a) white - 600 - ma (2),(3) (b) black - 650 - ma (c) dot - 700 800 ma vsync frequency f v 55 60 77 hz - hsync frequency f h 47.6 48.4 62 khz main frequency f dclk 50 65 80 mhz rush current i rush --3.0a(5) note (1) the connector for display data & timing signal should be connected.(vss=0v) (2) f v = 60hz, f dclk = 65mhz, v dd = 3.3v, dc current. (3) power dissipation check pattern(lcd module only) a) black pattern b) white pattern c) dot pattern rgb rgb rgb rgb rg rgb rgb b rgbr rgbrgbrgb rgbrgbrgb rgbrgbrgb rgbrgbrg gbrgb rgbr rgbrgr rgb rgb rgb rgb r rgb www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 (4) measurement conditions 5v 12v v dd ( lcd input) control signal (high to low) m2 2sk1399 m1 2sk1059 r2 1k c2 10000pf c3 1uf r3 47k r1 47k fuse c1 1uf 3.3v 14v control signal : high(+3.3v) a low(ground) all signal lines to panel, except for power 3.3v : ground the rising time of supplied voltage is controlled to 470us by r3 and c2 value. www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 3.2 back-light unit the back-light system is an edge - lighting type with 2 ccfts ( cold cathode fluorescent tube ) the characteristics of two lamps are shown in the following tables. ta=25 2c item symbol min. typ. max. unit note lamp current i l 3.0 8.0 9.0 marms (1) lamp voltage v l - 560 - vrms lamp frequency f l 40 - 60 khz (2) operating life time hr 50,000 - - hour (3) startup voltage vs - - 25 ? :1,450 vrms (4) 0 ? :1,680 note) the wave form of the inverter output voltage must be area symmetric and the design of the inverter must have specifica tions for the modularized lamp. the performance of the back-light, for example lif e time or brightness, is much influenced by the characteristics of the dc-ac inverter for the lamp. 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 that a poor lighting caused by the mismatch of the back-light and the inverter(poor lighting, flicker, etc.) never occur. when you confirm it, the module should be operated in the same co ndition as it is installed in your instrument. note (1) lamp current is measured with current meter for high frequency as shown below. refer to the block diagram of the back-light unit in the next page for more information. specified values are for a single lamp. (sk1540) lcd module inverter a hot(blue) cold(black) hot(pink) cold(white) (2) lamp frequency which may produce interference with horizontal synchronous frequency may cause line flow on the display. therefore lamp frequency should be detached from the horizontal synchronous frequency and its har monics as far as possible in order to avoid interference. (3) life time (hr) of a lamp is defined as the tim e in which it continues to operate under the condition of ta = 252c and i l = 8.0marms for a lamp until the brightness becomes 50% or lower than it's original value. operating co ndition is lamp unit itself, not module assembly at operating current 8.0ma. (4) if an inverter has shutdown function, it should keep its output for over 1 second even if the lamp connector is open. otherwise the lamps may not be turned on. (5) because the inverter use s high voltage, please disconnect it from the power before assembling or disassembling. www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 4. block diagram 4.1 tft lcd module tft-lcd panel input connector (20p) gamma generator dc/dc converter vcom generator l-tcon (lvds & timing controller) source drive ic (x8ea) (rsds) viedo data control signal gamma vcom dvdd avdd von/voff 4.2 back-light unit connector : jst bhr-03vs-1(module-side) (ccfl) lamp cold(white) hot(pink) 1 3 (ccfl) lamp cold(black) hot(blue) 1 3 source drove ic(x5ea) (rsds) www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 5. input terminal pin assignment 5.1. input signal & power ( connector : hirose df14h-20p-1.25h or equivalent) pin no. symbol function remark 1 vdd power supply 3.3v 2 vdd power supply 3.3v 3 gnd ground 4 gnd ground 5 od-rx0- odd receiver signal(-) 6 od-rx0+ odd receiver signal(+) 7 gnd ground 8 od-rx1- odd receiver signal(-) 9 od-rx1+ odd receiver signal(+) 10 gnd ground 11 od-rx2- odd receiver signal(-) 12 od-rx2+ odd receiver signal(+) 13 gnd ground 14 od-rxclk- odd receiver clock signal(-) 15 od-rxclk+ odd receiver clock signal(+) 16 gnd ground 17 od-rx3- odd receiver signal(-) 18 od-rx3+ odd receiver signal(+) 19 *ce for lcd internal use only. do not connect. 20 *ctl for lcd internal use only. do not connect. note ) * if the system already uses the 19 , 20pins, it should keep under gnd level. the voltage applied to those pins should not exceed -200mv. www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 5.2 lvds interface host system 24-bit ds90c385 thc63lvdm83a df14a-20p-1.25h red0 red1 red2 red3 red4 red5 green0 hsync enable green1 green2 green3 green4 green5 blue0 blue1 blue2 blue3 blue4 blue5 vsync clock 51 52 54 55 56 3 50 2 4 6 7 11 12 14 8 10 15 19 20 22 23 24 48 47 46 45 42 41 40 39 48 47 46 45 42 41 40 39 5 6 8 9 11 12 14 15 9 10 11 12 15 16 17 18 rxin0- rxin0+ rxin1- rxin1+ rxin2- rxin2+ rxclkin- rxclkin+ txout0- txout0+ txout1- txout1+ txout2- txout2+ txclkout- txclkout+ 100 ? 100 ? 100 ? 100 ? rxin3- rxin3+ txout3- 100 ? 17 18 blue6 blue7 green6 green7 red6 red7 16 18 27 28 30 31 txout3+ 19 20 38 37 df14h-20p-1.25h note : the lcd module uses a 100ohm resistor between positive and negative lines of each receiver input. www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 5.3 back-light unit pin no. input [ch1] color function 1 hot1 pink(u), blue(d) high voltage 2 nc - no connection 3 cold1 white(u), black(d) ground connector part no. jst bhr-03vs-1 (module side socket) or equivalent 5.4 pixel format rgb rgb data1 data2 rgb rgb rgb rgb rgb rgb ltm150xh - l01 panel line 1 line768 data1024 rgb rgb rgb rgb data1 data2 rgb rgb rgb rgb rgb rgb rgb rgb rgb rgb rgb rgb ltm150xh - l01 panel line 1 line768 data1024 ltm150xo-l01 panel www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 5.5 input signals, basic display colors and gray scale of each colors color display (8bit) data signal gray scale level red green blue r0 r1 r2 r3 r4 r5 r6 r7 g0 g1 g2 g3 g4 g5 g6 g7 b0 b1 b2 b3 b4 b5 b6 b7 basic color black 000000000000000000000000 - blue 000000000000000011111111 - green 000000001111111100000000 - cyan 000000001111111111111111 - red 111111110000000000000000 - magenta111111110000000011111111 - yellow 111111111111111100000000 - white 111111111111111111111111 - gray scale of red black 000000000000000000000000 r0 dark ? - light 100000000000000000000000 r1 010000000000000000000000 r2 :::::: :::::: :::::: r3~ r252 :::::: :::::: :::::: 101111110000000000000000 r252 011111110000000000000000 r252 red 111111110000000000000000 r252 gray scale of green black 000000000000000000000000 g0 dark ? - light 000000001000000000000000 g1 000000000100000000000000 g2 :::::: :::::: :::::: g3~ g252 :::::: :::::: :::::: 000000001011111100000000 g252 000000000111111100000000 g252 green 000000001111111100000000 g252 gray scale of blue black 000000000000000000000000 b0 dark ? - light 000000000000000010000000 b1 000000000000000001000000 b2 :::::: :::::: :::::: b3~ b252 :::::: :::::: :::::: 000000000000000010111111 b252 000000000000000001111111 b252 blue 000000000000000011111111 b252 note) definition of gray rn : red gray, gn : green gray, bn : blue gray (n = gray level) input signal : 0 = low level voltage, 1 = high level voltage www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 6. interface timing 6.1 timing parameters ( de only mode ) signal item symbol min. typ. max. unit clock frequency 1/t c 50 65 80 mhz high time t ch 2- -nsec low time t cl 2- -nsec data setup time t ds 4- -nsec hold time t dh 4- -nsec data enable setup time t es 2- -nsec frame frequency cycle tv - 16.7 12.9 msec 772 806 870 lines vertical active display term display period t vd 768 768 768 lines one line scanning time cycle t h 1244 1344 1494 clocks horizontal active display term display period t hd 1024 1024 1024 clocks note (1) test point : ttl control signal and clk at lvds tx input terminal in system (2) internal vcc = 3.3v www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 6.2 timing diagrams of interface signal ( de only mode ) 2.6 v 2.6 v 2.6 v 0.6 v 0.6 v 50 % t es t ds t dh t ch t cl t c de display data d clk de d clk data signals de t vd t v t h t c t hd www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 6.3 power on/off sequence to prevent a latch-up or dc operation of the lcd module, the power on/off sequence should be as the diagram below. power supply v dd 0.9 v dd 0.9 v dd 0v 0 v valid signals t 3 300 k? t 1 ? 10msec 0 ? t 2 ? 50 msec 0 ? t 3 ? 50 msec 1sec ? t 4 t 1 t 2 t 4 0.1 v dd 0.1 v dd back-light(recommended) 500 msec ? t 5 100 msec ? t 6 power on power off t 5 t 6 50% 50% power supply v dd 0.9 v dd 0.9 v dd 0v 0 v valid signals t 3 300 k? t 1 ? 10msec 0 ? t 2 ? 50 msec 0 ? t 3 ? 50 msec 1sec ? t 4 t 1 t 2 t 4 0.1 v dd 0.1 v dd back-light(recommended) 500 msec ? t 5 100 msec ? t 6 power on power off t 5 t 6 50% 50% power on/off sequence note. (1) the supply voltage of the external system for the module input should be the same as the definition of v dd . (2) apply the lamp voltage within the lcd operation range. when the back-light turns on before the lcd operation or the lcd turns off before the back-light turns off, the display may momentarily show abnormal screen. (3) in case of v dd =offlevel, please keep the level of input signals low or keep a high impedance. (4) t4 should be measured after the module has been fully discharged between power off and on period. (5) interface signal should not be kept at high impedance when the power is on. www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 7. outline dimension [ refer to the next page ] www.datasheet.co.kr datasheet pdf - http://www..net/
www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 8. general precautions 8.1 handling (a) when the module is assembled, it should be attached to the system firmly using all mounting holes. be careful not to twist and bend the module. (b) because the inverter use high voltage, it should be disconnected from power before it is assembled or disassembled. (c) refrain from strong mechanical shock and / or any force to the module. in addition to damage, this may cause improper operation or damage to the module and ccft back-light. (d) note that polarizers are very fragile and could be damage deasily. do not press or scratch the surface harder than a hb pencil lead. (e) wipe off water droplets or oil immediately. if you leave the droplets for a long time, staining or discoloration may occur. (f) if the surface of the polarizer is dirty, clean it using some absorbent cotton or soft cloth. (g) desirable cleaners are water, ipa(isopropyl alcohol) or hexane. do not use ketone type materials(ex. acet one), ethyl alcohol, toluene, ethyl acid or methyl chloride. it might permanent damage to the polarizer due to chemical reaction. (h) if the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth . in case of contact with hands, legs or clothes, it must be washed away with soap thoroughly. (i) protect the module from static, or the cmos gate array ic would be damaged. (j) use finger-stalls with soft gloves in order to keep display clean during the incoming inspection and assembly process. (k) do not disassemble the module. (l) do not pull or fold the lamp wire. (m) do not adjust the variable resistor located on the module. (n) protection film for polarizer on the module should be slowly peeled off just before use so that the electrostatic charge can be minimized. (o) pins of i/f connector should not be touched directly with bare hands. www.datasheet.co.kr datasheet pdf - http://www..net/
doc . no LTM150XO-L21 page /24 8.2 storage (a) do not leave the module in high temperature, and high humidity for a long time. it is highly recommended to store the module with temperature from 0 to 35 ? and relative humidity of less than 70%. (b) do not store the tft-lcd module in direct sunlight. (c) the module should be stored in a dark place. it is prohibited to apply sunlight or fluorescent light in storing. 8.3 operation (a) do not connect or disconnect the module in the "power on" condition. (b) power supply should always be turned on/off by the item 6.3 "power on/off sequence" (c) module has high frequency circuits. sufficient suppression to the electromagnetic interference should be done by system manufacturers. grounding and shielding methods may be important to minimize the interference. (d) the cable between the back-light connector and its inverter power supply should be connected directly with a minimized length. a longer cable between the back-light and the inverter may cause lower luminance of lamp(ccft) and may require higher startup voltage(vs). 8.4 others (a) ultra-violet ray filter is necessary for outdoor operation. (b) avoid condensation of water. it may result in improper operation or disconnection of electrode. (c) do not exceed the absolute maximum rating value. ( supply voltage variation, input voltage variation, variation in part contents and environmental temperature, andsoon) otherwise the module may be damaged. (d) if the module keeps displaying the same pattern for a long period of time, the image may be "sticked" to the screen. (e) this module has its circuitry pcb's on the rear side and should be handled carefully in order not to be stressed. www.datasheet.co.kr datasheet pdf - http://www..net/

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