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doc . no LTS280Q1-PE1 rev.no 003 page 2 /27 preliminary specification p p r r o o d d u u c c t t i i n n f f o o r r m m a a t t i i o o n n issue date : 04-01-30 model : LTS280Q1-PE1 note : this product information is subject to change without any notice. prepared by : amlcd mobile application engineering group samsung electronics co . , ltd.
doc . no LTS280Q1-PE1 rev.no 003 page 2 /27 preliminary specification data rev. no. page summary may. 16. 2003 aug. 21. 2003 dec. 01. 2003 jan. 30. 2004 000 001 002 003 3 4 7 13 16 18 19 23 24 7 23 rev.000 was issued. tbd item was defined change storage temperature spec ( - 20 - 30 ) change operating temperature spec ( - 10 - 20 ) change power supply spec delete luminance of white item(b/l off) define c/r(b/l off) define color chromaticity(min, max) define viewing area(typical) change gate on voltage (min, max) change gate off voltage change common voltage (max) insert power sequence diagrams add power dissipation check pattern correct tsp pin number add explanation of option pin(clw1, sdt1) correct tsp pin description change outline dimension correct number of panels per pack (40 50) change luminance spec(min ., typ.) change outline dimension revision history
doc . no LTS280Q1-PE1 rev.no 003 page 3 /27 preliminary specification 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 -------------------------- (7) 3. electrical character istics ------------------------- (12) 3.1 tft-lcd module 3.2 back-light unit 4. touch screen panel specif ications ------------------------ (14) 5. block diagram ------------------------- (15) 5.1 tft-lcd block diagram 5.2 tft-lcd module schematics 5.3 touch screen panel 5.4 back-light unit 6. input terminal pin assi gnment ------------ ------------- (17) 6.1 tft-lcd module 6.2 back-light unit 6.3 touch screen panel 6.4 input signal, basic display colors and gray scale of each colors 7. interface timing ------------------------- (21) 7.1 timing diagrams of interface signal 7.2 ac characteristic 8. outline dimensions ------------------------- (23) 8.1 module outline dimensions (total assa'y) 9. packing ------------------------- (24) 10. marking & others ------------------------- (25) 11. general precaution ------------------------- (26) 11.1 handling 11.2 storage 11.3 operation 11.4 others
doc . no LTS280Q1-PE1 rev.no 003 page 4 /27 preliminary specification general description * description LTS280Q1-PE1 is a transflective type color active matrix tft (thin film transistor) liquid crystal display (lcd) that uses amorphous silicon tft as a switching devices. this model is composed of a tft-lcd module(tft-lcd panel, driver ics and fpc), a back-light unit and a touch screen panel. the resolution of a 2.83" contains 240 x 320 pixels and can display up to 262,144 colors. * features - transflective type. - 6 led back-light - using the touch screen panel(flim to glass type) - line inversion mode. - low power consumption. * applications - display terminals for pda application products. - smart phone / game machine / camcoder. * general information items specification unit note display area 43.2(h) x 57.6(v) mm - driver element a-si tft active matrix - - display colors 262,144 colors - number of pixels 240(h) x rgb x 320(v) pixel - pixel arrangement rgb vertical stripe - - pixel pitch 0.180(h) x 0.180(v) mm - display mode normally white - - viewing direction 12:00 o'clock - * mechanical information item min. typ. max. unit note model size horizontal(h) 52.7 52.9 53.1 mm (1) vertical(v) 71.5 71.7 71.9 mm depth(d) 4.75 5.0 mm weight - - 38 g note (1) touch screen panel, fpc and back-light unit are included.
doc . no LTS280Q1-PE1 rev.no 003 page 5 /27 preliminary specification 1. absolute maximum ratings 1.1 absolute ratings of environment item symbol min. max. unit note storage temperature t stg -30 70 (1),(5) operating temperature (ambient temperature) t opr -20 60 (1),(2),(5) vibration ( non - operating ) vnop 10 500 ? (3),(4) note(1)90%rhmax. (40c ta ) maximum wet-bulb temperature at 39 c or less. (ta > 40 c) no condensation. (2) in case of below 0 , the response time of liquid crystal (lc) becomes slower and the color of panel becomes darker than normal one. level of retardation depends on temperature, because of lc's characteristics. (3) (10 ~ 500 ( ) 6cyc 10min/cycle, 3g pk ,, for each x, y, z axis. (4) at testing vibration, the fixture in holding the module to be tested have to be hard and rigid enough so that the module would not be twisted or bent by the fixture. (5) if product is exposed to high temperatures for extended time, there is a possibility of the polarizer film damage which could degrade the optical characteristics. 90 30 60 humidity (%rh) 40 95% 60 90% 70 10% 60 15% storage range -20 -30 40 60 70 temperature () operating range
doc . no LTS280Q1-PE1 rev.no 003 page 6 /27 preliminary specification 1.2 electrical absolute ratings (1) tft-lcd module ( ta = room temp, v ss =gnd=0v) characteristics symbol min. max. unit note power supply(analog, digital) v dd 2.7 3.6 v - power supply(gate on) v on 13 17 v - power supply(gate off) v off -11 -7 v - common voltage v com -0.3 5.5 v dc input voltage v i -0.3 v dd + 0.3 v - (2) back-light unit (ta = room temp) characteristics symbol min. max. unit note current i b - 25 ma (1) note (1) permanent damage to the device may occur if maximum values are exceeded or reverse voltage is loaded. functional operation should be restric ted to the conditions described under normal operating conditions.
doc . no LTS280Q1-PE1 rev.no 003 page 7 /27 preliminary specification 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 (3), (4). measuring equipment: lcd-7200, bm-5a, bm-7, pr-650, ez-contrast *this includes optical characteristics of tsp. (ta = room temp) * optical characteristics can be changed without special notice item symbol condition min. typ. max. unit note reflectance rf b/l off 4 7 - % (5) lcd-7200 contrast ratio (center point) c/r1 b/l on 100 150 - - (6) bm-5a c/r2 b/l off 3 6 - - (6) lcd-7200 luminance of white (center point) yl b/l on 80 110 - cd/m2 (7) bm-5a white uniformity uw b/l on 70 - - % (9) bm-5a response time rising:tr tr+tf b/l on b/l off - 35 50 msec (8) bm-7 falling:tf color chromaticity (cie 1931) white wx1 b/l on 0.210 0.310 0.410 - (9) pr-650 wy1 0.230 0.330 0.430 white wx1 b/l off 0.210 0.310 0.410 (10) lcd-7200 wy1 0.250 0.350 0.450 viewing angle hor. l1 c/r 10 b/l on 40 50 - degrees (11) ez-contrast r1 30 40 - ver. h1 30 40 - l1 40 50 - hor. l2 c/r 2 b/l off 40 50 - (11) lcd-7200 r2 - ver. h2 40 50 - l2 - note (1) the optical characteristics is measured with back-light and touch screen panel. (2) if product is exposed to high temperatures for extended time, there is a possibility of the polarizer film damage which could degrade the optical characteristics.
doc . no LTS280Q1-PE1 rev.no 003 page 8 /27 preliminary specification note (3) test equipment setup for the transmissive mode (back-light on) after stabilizing and leaving the panel alone at a given temperature for 30 min , the measurement should be executed. measurement should be executed in a stable, windless, and dark room. 30 min after lighting the back-light. this should be measured in the center of screen. - back-light current : 15ma - back-light on condition the center of the screen photodetector photodetector field bm-5a 1 bm-7 1 pr-650 1 lcd panel tft - lcd module bm-5a : 50 M bm-7 : 50 M pr-650: 50 M field
doc . no LTS280Q1-PE1 rev.no 003 page 9 /27 preliminary specification note (4) test equipment setup for the reflective mode (back-light off) after stabilizing and leaving the panel alone at a given temperature for 30min, the measurement should be executed. measurement should be executed in a stable, windless, and dark room. 30min after lighting of reference light source. the reflected light intensity should be measured in the center of screen. the incident angle of the light source is 30 to the normal direction where the photodetector is positioned. - back-light off condition photodetector photodetector field lcd-7200 1 lcd panel tft - lcd module the center of the screen lcd-7200 : 50 M 30 light source : halogen lamp or d65 incident light reflected light
doc . no LTS280Q1-PE1 rev.no 003 page 10 /27 preliminary specification note (5) definition of reflectance : the reflectance is relative quantity to the standard white baso 4 or mgo plate that the reflectance of the standard white plate is the 100%. note (6) definition of contrast ratio (c/r) : ratio of gray max (gmax) & gray min (gmin) at the center point of the panel. if back-light is on state, it is the light source and the bm-5a will be used to measure. note (7) definition of luminance of white : luminance of white at center point. in this case, the incident light is not from the light source but from the back-light that generates the reflected light source on lcd in the dark room. note (8) definition of response time : sum of tr ,tf display data black(tft on) white(tft off) white(tft off) optical response 100% 90% 10% 0% t r t f time note (9) definition of color chromaticity (cie 1931), (back-light: on) note (10) definition of color chromaticity (cie 1931), (back-light: off) color coordinate of white at center point. it should be measured at vertical direction on back-light off state * light source : d65. c/r= gmax gmin * gmax : luminance with all pixels white * gmin : luminance with all pixels black reflectance = intensity of the reflected light on lcd intensity of the incident light on baso4 plate intensity of the reflected light on baso4 plate intensity of the incident light on baso4 plate x 100%
doc . no LTS280Q1-PE1 rev.no 003 page 11 /27 preliminary specification note (11) definition of viewing angle : viewing angle range (cr 2) 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
doc . no LTS280Q1-PE1 rev.no 003 page 12 /27 preliminary specification 3. electrical characteristics 3.1 tft-lcd module (input voltage = 3.3v, ta = room temp) characteristics symbol min. typ. max. unit note digital supply voltage dvdd 3.0 3.3 3.6 v analog supply voltage avdd 4.5 5 5.5 v gate on voltage von 14 15 16 v gate off voltage voff -11 -10 -9 v common voltage vcomh (vpp) 3.5 4.3 5.0 v digital supply current idvdd - 1.1 2.0 ma analog supply current iavdd - 6.3 10.0 ma gate supply current ivon/ voff - 0.3 0.5 ma input voltage source driver (high) vihs 0.8dvdd - dvdd v source driver (low) vils gnd - 0.2dvdd v power dissipation white pw - 30 40 mw (1),(2) black pb - 45 55 mw vertical stripe pv - 40 50 mw * to prevent a latch-up or dc operation of the lcd module, the power on/off sequence should be as below. - power on : dv dd av dd v off v on data -poweroff:data v on v off av dd dv dd (1) (1) (1) (1) (1) (1) (2) (2) v on v on v off v off av dd dv dd av dd dv dd (1) = 5ms (min.) (2) = 10ms (min.)
doc . no LTS280Q1-PE1 rev.no 003 page 13 /27 preliminary specification note (1) condition : tft-lcd module only with typ. electrical characteristics (2) power dissipation check pattern [white patten] [black patten] [vertical stripe patten] 3.2 back-light unit the back-light system is an edge-lighting type with 6 white led(light emitting diode)s. the characteristics of 6 white leds are shown in the following tables. ( ta = room temp ) characteristics symbol min. typ. max. unit note current i b - 15 25 ma (1) power consumption p bl - 300 500 mw (2) note (1) 6 white leds serial type. (2) where i b = 15ma, v b = 20v, p bl =v b i b
doc . no LTS280Q1-PE1 rev.no 003 page 14 /27 preliminary specification 4. touch screen panel specifications 4-1. electrical characteristics item min. typ. max. unit note linearity -1.5 - 1.5 % analog x and y directions terminal resistance 200 - 900 ? x(film side) 200 - 900 ? y(film side) insulation resistance 25 - - m ? dc 25v voltage - 5 7 v dc chattering - 8 10 ms 100k ? pull-up transparency 80 83 - % - caution (1) : do not operate it with a thing except a polyacetal pen(tip r0.8mm or less) or a finger, especially those with hard or sharp tips such as a ball point pen or a mechanical pencil. 4-2. mechanical & reliability characteristics item min. typ. max. unit note activation force - 15 80 g (1) durability-surface scratching write 120,000 - - characters (2) durability-surface pitting 1,000,000 - - touches (3) durability-chemical - - - - (4) surface hardness 3 - - h jis k5400 note (1) pen : 80g or less (r0.8mm) finger : 80g or less (r8.0mm) (2) measurement for surface area - stylus pen has a 20mm 20mm area - force :250g - speed : 1000 characters/hour (3) each touch by r0.8mm stylus pen & 500gf load (4) after dropping a drop of toluene (or acetone, methanol, crude ethanol), brushing with fabrics for 3 min. don't be detected uneven point.
doc . no LTS280Q1-PE1 rev.no 003 page 15 /27 preliminary specification 5. block diagram 5.1 tft-lcd block diagram v led _cathode v led _anode 2.83" 240rgb320 tft lcd panel y2, x2, y1, x1 led tsp v led _cathode v led _anode 2.83" 240rgb320 tft lcd panel y2, x2, y1, x1 led tsp 18-bit r / g / b data data enable main clock 61 pin input connecter vcc 3.0 ~ 3.6 v gnd 18-bit r / g / b data data enable main clock 61 pin input connecter vcc 3.0 ~ 3.6 v gnd v led _cathode v led _anode 2.83" 240rgb320 tft lcd panel y2, x2, y1, x1 led tsp v led _cathode v led _anode 2.83" 240rgb320 tft lcd panel y2, x2, y1, x1 led tsp 18-bit r / g / b data data enable main clock 61 pin input connecter vcc 3.0 ~ 3.6 v gnd 18-bit r / g / b data data enable main clock 61 pin input connecter vcc 3.0 ~ 3.6 v gnd 18-bit r / g / b data data enable main clock 61 pin input connecter vcc 3.0 ~ 3.6 v gnd 18-bit r / g / b data data enable main clock 61 pin input connecter vcc 3.0 ~ 3.6 v gnd
doc . no LTS280Q1-PE1 rev.no 003 page 16 /27 preliminary specification 5.2 touch screen panel 5.3 back-light unit 2-pin connecter 6led v led _anode v led _cathode 12 pin no. symbol i/o 1 led_anode anode 2 led_cathode cathode y2 x2 y1 x1 x : upper electrode y : lower electrode top view y2 x2 y1 x1 x : upper electrode y : lower electrode top view
doc . no LTS280Q1-PE1 rev.no 003 page 17 /27 preliminary specification 6. input terminal pin assignment 6.1 tft-lcd module (mating connector : 61pin (part name:fh23-61s-0.3shw, hirose) ) pin no symbol description remark 1 de data enable - 2 mclk main clock - 3 enable ic reset - 4 tsp1 tsp interface signal y2 - 5 vss digital ground - 6 vcom common voltage - 7 vcom common voltage - 8 avss analog ground - 9 voff gate off voltage - 10 voff gate off voltage - 11 von gate on voltage - 12 von gate on voltage - 13 vss digital ground - 14 tsp2 tsp interface signal x2 - 15 vcomr input high level of vcom - 16 vcoms output - 17 vcoms output - 18 vcomc test pin - 19 avss analog ground - 20 vdd logic power - 21 vdd logic power - 22 avdd analog power - 23 avdd analog power - 24 tsp3 tsp interface signal y1 - 25 vss digital ground - 26 clw1 ic option (1) 27 tsp4 tsp interface signal x1 - 28 sdt1 ic option (1) 29 pd17 r5 (2) 30 pd16 r4 31 pd15 r3 32 pd14 r2 33 pd13 r1 34 pd12 r0
doc . no LTS280Q1-PE1 rev.no 003 page 18 /27 preliminary specification pin no symbol description remark 35 pd11 g5 (2) 36 pd10 g4 37 pd9 g3 38 pd8 g2 39 pd7 g1 40 pd6 g0 41 pd5 b5 42 pd4 b4 43 pd3 b3 44 pd2 b2 45 pd1 b1 46 pd0 b0 47 vref4p gamma voltage (positive) - 48 vref3p gamma voltage (positive) - 49 vref2p gamma voltage (positive) - 50 vref1p gamma voltage (positive) - 51 vref0p gamma voltage (positive) - 52 vref4n gamma voltage (negative) - 53 vref3n gamma voltage (negative) - 54 vref2n gamma voltage (negative) - 55 vref1n gamma voltage (negative) - 56 vref0n gamma voltage (negative) - 57 main_led + led power(anode) - 58 main_led + led power(anode) - 59 main_led - led power(cathode) - 60 main_led - led power(cathode) - 61 nc no connection - remark (1) clw1 : set the delay amount of line cycle clock .high:30clockdelay . low : 0 clock delay sdt1 : set the delay amount of source output .high:25clockdelay . low : 10 clock delay (2) lsb : pd0, pd6, pd12 msb : pd5, pd11, pd17
doc . no LTS280Q1-PE1 rev.no 003 page 19 /27 preliminary specification 6.2 back-light unit (connector : 2 pin fpc solder type) pin no. symbol function 1 led_anode led anode 2 led_cathode led cathode 6.3 touch screen panel (connector : 4pin fpc solder type) pin no. symbol i/o function 1 x1 right right electrode - differential analog 2 y1 bottom bottom electrode - differential analog 3 x2 left left electrode - differential analog 4 y2 top top electrode - differential analog
doc . no LTS280Q1-PE1 rev.no 003 page 20 /27 preliminary specification 6.4 input signal, basic display colors and gray scale of each colors color display data signal gray scale level red green blue r0 r1 r2 r3 r4 r5 g0 g1 g2 g3 g4 g5 b0 b1 b2 b3 b4 b5 basic color black 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 1 1 1 1 1 1 - green 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 - cyan 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 - red 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 - magenta 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 - yellow 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 - white 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - gray scale of red black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r0 dark light 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r2 : : : : : : : : : : : : : : : : : : r3~r60 : : : : : : : : : : : : : : : : : : 1 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 r61 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 r62 red 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 r63 gray scale of green black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 g0 dark light 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 g1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 g2 : : : : : : : : : : : : : : : : : : g3~g60 : : : : : : : : : : : : : : : : : : 0 0 0 0 0 0 1 0 1 1 1 1 0 0 0 0 0 0 g61 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 g62 green 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 g63 gray scale of blue black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b0 dark light 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 b1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 b2 : : : : : : : : : : : : : : : : : : b3~b60 : : : : : : : : : : : : : : : : : : 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 b61 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 b62 blue 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 b63 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 r5,g5,b5 : msb r0,g0,b0 : lsb
doc . no LTS280Q1-PE1 rev.no 003 page 21 /27 preliminary specification 7. interface timing 7.1 timing diagrams of interface signal ................. ....... valid data valid invalid invalid data enable mclk input data t h-total t h_data t h _ bl an k ......... data enable t v-to tal t v-d at a t v_ bl an k parameter symbol minimum typical maximum unit vertical total t v-total 327 332 - lines vertical blank time t v_blank 7 12 - lines vertical display t v-data 320 320 - lines horizontal total t h-total 254 266 479 mclk horizontal blank time t h_blank 14 26 239 mclk horizontal display t h_data 240 240 - mclk mclk f mclk 4.98 5.298 - mhz
doc . no LTS280Q1-PE1 rev.no 003 page 22 /27 preliminary specification 7.2 ac characteristic parameter symbol min typ max unit de setup t1 30 - - ns de hold t2 30 - - ns mclk high level pulse t3 40 - - ns mclk low level pulse t4 40 - - ns mclk cycle time t5 100 - - data setup t6 30 - - ns data hold t7 30 - - ns rising/falling time - - 25 ns logic input vih 0.7 vdd - vdd v vil 0 - 0.3 vdd v power vdd 2.5 - 3.6 v data enable mclk data t1 t2 t3 t4 t6 t7 t5

doc . no LTS280Q1-PE1 rev.no 003 page 24 /27 preliminary specification 9. packing case label 5 tray + cover *50 panels per pack pad (3t) *2 pads per trays (upper & lower) packing-case label-safety sealing tape panel * 10 panels per tray packing-box *contains 5 packing-case label-safety label *same as each case label case label 5 tray + cover *50 panels per pack pad (3t) *2 pads per trays (upper & lower) packing-case case label 5 tray + cover *50 panels per pack pad (3t) *2 pads per trays (upper & lower) packing-case label-safety sealing tape panel * 10 panels per tray packing-box *contains 5 packing-case label-safety label *same as each case label note (1) total : case: approx. 2.4 kg box: approx. 12.1 kg (2) size : case: 490(w) x 342(d) x 58(h) box: 505(w) x 355(d) x 319(h) (3) pad material : polyethylene foam t=3.0 (4) resistance of tray surface : 10 3 ~10 6 ? (5) esd of tray surface : 20~100v (6) place the panels in the tray facing the direction shown in the figure. (7) place 5 tray and cover(empty tray) and pads inside the packing-case. (8) place 5 packing-case inside the packing-box.(affix the label) (9) seal the packing-box. affix the label-safety. 319 mm 505 mm 355 mm
doc . no LTS280Q1-PE1 rev.no 003 page 25 /27 preliminary specification 10. marking & others (1) packing case attach case id : na 0 00 00001 40.0 80.0 made in korea device : lts2800q1-pe1 type : quantity : 50 pcs case id serial no.(00001-99999) week year device
doc . no LTS280Q1-PE1 rev.no 003 page 26 /27 preliminary specification 11. general precautions 11.1 handling (a) when the module is assembled, it should be attached to the system firmly. be careful not to twist and bend the module. (b) 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 back-light unit. (c) note that polarizers are very fragile and could be easily damaged. do not press or scratch the surface harder than a hb pencil lead. (d) wipe off water droplets or oil immediately. if you leave the droplets for a long time, staining and discoloration may occur. (e) if the surface of the polarizer is dirty, clean it using some absorbent cotton or soft cloth. (f) the desirable cleaners are water, ipa(isopropyl alcohol) or hexane. do not use ketone type materials(ex. a cetone), ethyl alcohol, toluene, ethyl acid or methyl chloride. it might permanent damage to the polarizer due to chemical reaction. (g) 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 thoroughly with soap. (h) protect the module from static , it may cause damage to the integrated gate circuit. (i) use finger-stalls with soft gloves in order to keep display clean during the incoming inspection and assembly process. (j) do not disassemble the module. (k) protection film for polarizer on the module shall be slowly peeled off just before use so that the electrostatic charge can be minimized. (l) pins of i/f connector shall not be touched directly with bare hands.
doc . no LTS280Q1-PE1 rev.no 003 page 27 /27 preliminary specification 11.2 storage (a) do not leave the panel in high temperature, and high humidity for a long time. it is highly recommended to store the module with temperature from 0 to 35 c and relative humidity of less than 70%. (b) do not store the tft-lcd module in direct sunlight. (c) the module shall be stored in a dark place. it is prohibited to apply sunlight or fluorescent light during the store. 11.3 operation (a) do not connect, disconnect the module in the "power on" condition. (b) power supply should always be turned on/off by the item 3.1 "power on/off sequence" 11.4 others (a) the liquid-crystal is deteriorated by ultraviolet rays. do not leave it in direct sunlight and strong ultraviolet rays for many hours. (b) avoid condensation of water. it may result in improper operation or disconnection of electrode. (c) do not exceed the absolute maximum rating value. (the supply voltage variation, input voltage variation, variation in part contents and environmental temperature, andsoon) otherwise the panel may be damaged. (d) if the panel displays the same pattern continuously for a long period of time, it can be the situation when the image "sticks" to the screen. (e) this panel has its circuitry fpc on the bottom side and should be handled carefully in order not to be stressed.

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