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model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret customer : general date : jan. 07. 2011 note : samsung tft - lcd model : lta320an01 - w samsung electronics co . , ltd. 1 the information described in this specification is preliminary and can be changed without prior notice product information
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret contents revision history -------------------------------------------------------------------------------------------- (3) general description --------------------------------------------------------------------------------------- (4) general information --------------------------------------------------------------------------------------- (4) 1. absolute maximum ratings -------------------------------------------------------------------------- (5) 2. optical characteristics --------------------------------------------------------------------------------- (6) 3. electrical characteristics ------------------------------------------------------------------------------- (9) 3.1 tft lcd module 3.2 back light unit 4. block diagram ------------------------------------------------------------------------------------------- (11) 5. input terminal pin assignment --------------------------------------------------------------------- (12) 5.1 input signal & power 5.2 inverter input pin configuration 5.3 inverter input power sequence & specification 5.4 lvds interface 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. packing -------------------------------------------------------------------------------------------------- ( 23) 9. marking & others --------------------------------------------------------------------------------------- ( 24) 10. general precaution ---------------------------------------------------------------------------------- ( 25) 10.1 handling 10.2 storage 10.3 operation 10.4 operation condition guide 10.5 others 2
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret * revision history date rev. no page summary jan. 07 2011 000 - first issued 3
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret lta320an01 is a color active matrix liquid crystal display (lcd) that uses amorphous silicon tft(thin film transistor) as switching components. this model is composed of a tft lcd panel, a driver circuit and a back light unit. the resolution of a 32.0 is 1366 x 768 and this model can display up to 16.7million colors with wide viewing angle of 89 or higher in all directions. this panel is intended to support applications to provide a excellent performance for flat panel display such as home - alone multimedia tft - lcd tv, display terminals for av application products, and high definition tv (hdtv). features general description description general information ? rohs compliance (pb - free) ? high contrast ratio, high aperture ratio, fast response time ? pva mode ? wide viewing angle ( 89 ) ? wxga (1366 x 768 pixels) resolution (16:9) ? low power consumption ? 4 ccfts (cold cathode fluorescent tube) ? lvds (low voltage differential signaling) interface items specification unit note module size 760(h typ ) x 450(v typ ) mm 1.0mm 56.7(d max ) weight 5600(max) g pixel pitch 0.51075(h) x 0.17025(v ) * 3 mm active display area 697.6845(h) x 392.256(v) mm surface treatment haze 5.5%, hard - coating (3h) display colors 8 bit - 16.7m colors number of pixels 1366 x 768 pixel pixel arrangement rgb horizontal stripe display mode normally black luminance of white 450 cd/m 2 typ. 4
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret note (1) ta= 25 2 c (2) temperature and relative humidity range are shown in the figure below. a. 93.8 % rh max. ( ta 40 c) b. maximum wet - bulb temperature at 40 c or less. ( ta 40 c) c. no condensation (3) polarizer will not be damaged in this range, even though abnormal visual problems occur in t sur range. (4) 11ms, sine wave, one time for x, y, z axis (5) 10 - 300 hz, sweep rate 10min, 30min for x,y,z axis 1. absolute maximum ratings if the condition exceeds maximum ratings, it can cause malfunction or unrecoverable damage to the device. fig. temperature and relative humidity range item symbol min. max. unit note power supply voltage v dd vdd - 1 13 v (1) storage temperature t stg - 20 65 (2) operating temperature t opr 0 50 (2) panel surface temperature t sur 0 65 (3) shock ( non - operating ) s nop - 50 g (4) vibration ( non - operating ) v nop - 1.5 g (5) (40, 93.8) (50, 50.4) (65, 27.7) 5
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 2. optical characteristics the optical characteristics should be measured in a dark room or equivalent. measuring equipment : topcon bm - 7,spectroradiometer sr - 3 item symbol condition min. typ. max. unit note contrast ratio (center of screen) c/r normal q l,r =0 q u,d =0 viewing angle *2500 5000 - (3) sr - 3a response time rising tr - 15 70 msec (5) rd - 80s falling tf - 8 18 g - to - g [ave] tg - 20 - luminance of white (center of screen) y l 380 450 - cd/m 2 (6) sr - 3a color chromaticity (cie 1931) red rx typ. - 0.03 0.645 typ. +0.03 (7),(8) sr - 3a ry 0.330 green gx 0.290 gy 0.605 blue bx 0.150 by 0.060 white wx 0.280 wy 0.285 color gamut - - 72 - % (7) sr - 3a color temperature - - 10000 - k (7) sr - 3a gamma - 2.2 - viewing angle hor. q l c/r 10 79 89 - degree (8) ez - contrast q r 79 89 - ver. q u 79 89 - q d 79 89 - brightness uniformity (9 points) b uni - - 25 % (4) sr - 3 note (1) test equipment setup the measurement should be executed in a stable, windless and dark room between 40min and 60min 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 @ vdim = 100% environment condition : ta = 25 2 c (ta = 25 2 c , vdd=12v, fv= 60hz, f dclk =148.5mhz, dim = 100%) * marked items value does not specification above when white stain occurs at center point [point of note 2.] 6
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret photo detector field sr - 3 1 bm - 7 2 photo detector lcd panel tft - lcd module the center of the screen sr - 3 : 50 M bm - 7 : 50 M field note (2) definition of test point note (3) definition of contrast ratio (c/r) : ratio of gray max (gmax) & gray min (gmin) at the center point of the panel gmax : luminance with all pixels white gmin : luminance with all pixels black 7 c r g g / max min ?
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret note (4) definition of 9 points brightness uniformity note (5) definition of response time : sum of tr, tf bmax : maximum brightness bmin : minimum brightness display data optical instruments response time t r t f 10% 90% white (data off) 0% black (data off) white (data on) 100% 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 note (8) definition of viewing angle : viewing angle range (c/r 10) 8 buni b b b ? ? ? 100 ( max min) max
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 3. electrical characteristics 3.1 tft lcd module the connector for display data & timing signal should be connected. ta = 25 c 2 c item symbol min. typ. max. unit note voltage of power supply v dd 11 12 13 v (1) current of power supply (a) black i dd - 354 - ma (2),(3) (b) white - 366 500 (c) mosaic - 361 - (4) max pattern (v - stripe) - 556 700 vsync frequency f v 47 60 63 hz hsync frequency f h 45 48.6 53 khz main frequency f dclk 65 80 86 mhz rush current i rush - - 5 a (4) note (1) the ripple voltage should be controlled under 10% of v dd . (2) f v =60hz, f dclk = 148.5mhz, v dd = 12.0v, dc current. (3) power dissipation check pattern (lcd module only) (4) measurement conditions rush current i rush can be measured when t rush . is1ms t rush =1ms 100% gnd 90% 10% v dd a) black pattern b) white pattern c) mosaic d) max. pattern (v - stripe) 9
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 3.2 back light unit the back light unit contains 4 ccfts ( cold cathode fluorescent tube ). the characteristics of lamps are shown in the following tables. ta=25 2 c item symbol min. typ. max. unit note operating life time hr 50,000 - - hour (1) lamp current lc 9.0 - 14.5 ma - note (1) it is defined as the time to take until the brightness reduces to 50% of its original value. [operating condition : ta = 25 2 , i l = 14 marms(typ.), for single lamp only. ] lcd module socket inverter hot 1 hot 1 hot 4 hot 4 10
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 4. block diagram 11
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 5. input terminal pin assignment 5.1. input signal & power conne ctor : 196260 - 30041 (p - two industries) pin no. signal description pin no. signal description 1 hvs sec internal use only 16 gnd gnd 2 scl_i i2c clock 17 lv3_ni even lvds signal - 3 sda_i i2c data 18 lv3_pi even lvds signal + 4 gnd gnd 19 gnd gnd 5 lv0_ni lvds signal - 20 n.c. no connection 6 lv0_pi lvds signal + 21 lvds_sel lvds selection 7 gnd gnd 22 wpn bus release 8 lv1_ni lvds signal - 23 gnd gnd 9 lv1_pi lvds signal + 24 gnd gnd 10 gnd gnd 25 n.c. no connection 11 lv2_ni lvds signal - 26 power v dd 12 lv2_pi lvds signal + 27 power v dd 13 gnd gnd 28 power v dd 14 lvclk_ni lvds clock - 29 power v dd 15 lvclk_pi lvds clock + 30 power v dd 12 scl : pull up 22/ 4.7k sda : pull up 22/ 4.7k option pin description these pins are cmos interface. please use within the range of the following restriction. vih 2.4v(min) / 3.5v(max) vil 0.0v(min) / 0.4v(max))
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret note(1) pin number starts from right side pin no. 1 pin no. 30 pcb a. all gnd pins should be connected together and also be connected to the lcds metal chassis. b. all power input pins should be connected together. c. all nc pins should be separated from other signal or power. fig. connector diagram # 1 connect name # 30 # 1 # 30 13
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret pin no. pin configuration(function) 1 24v 2 24v 3 24v 4 24v 5 24v 6 gnd 7 gnd 8 gnd 9 gnd 10 gnd 11 inverter operation status output 12 inverter on/off control signal 13 no connection 14 external dimming control signal 5.2. inverter input pin configuration connector : 20022wr - 14aml 14 5.3 . inverter input power sequence 0.5sec [min] vin (24v) dimming control ( 0 ~ 3.3 v ) 0.5sec [min] 0.1sec [min] 20msec [min] backlight on/off 0.9 vin 2.4v(on level) 0.8v(off level) 0.1 vin 0.5sec [min] 0.9 vin
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 5.4. inverter input power sequence & specification items symbol conditions specifications unit note min. typ. max. input voltage vin - 21.6 24.0 26.4 v ta=25 3 c input current i in vin=24v ex_dim=100% - 3.00 3.30 a - lamp current i o vin=24v ex_dim=100% 11.0 12.0 13.0 marms - operating frequency f o vin=24v ex_dim=100% 55.5 57.5 59.5 khz - backlight on/off ena on 2.4 - 5.25 v - off - 0.3 - 0.8 dimming duty output d max vin=24v ex_dim=100% 100 - - % note 1 d min 15 20 25 - d min 10 - - note 2 open lamp voltage vopen vin=24v ex_dim=100% 2510 - - vrms note 3 striking time tst vin=24v ex_dim=100% 1.0 1.5 2.0 sec - ex_dim frequency f ex_dim vin=24.0v 120 150 180 hz - pwm signal amplitude v ex_dim high (on) 2.4 - 5.25 v - low (off) - 0.3 - 0.4 note1. duty measurement [duty(%) = ton / t x 100] all data was approved after running 120minutes with lcm. note 2. there are not shut down and flicker at 10% @ 150hz. there is not shut down at 5% @ 75hz. note 3. measurement method : check vs on blu remaining all lamps. 15
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 5.5 lvds interface lvds pin odd data even data txout/rxin0 txin/rxout0 r0 r0 txin/rxout1 r1 r1 txin/rxout2 r2 r2 txin/rxout3 r3 r3 txin/rxout4 r4 r4 txin/rxout6 r5 r5 txin/rxout7 g0 g0 txout /rxin1 txin/rxout8 g1 g1 txin/rxout9 g2 g2 txin/rxout12 g3 g3 txin/rxout13 g4 g4 txin/rxout14 g5 g5 txin/rxout15 b0 b0 txin/rxout18 b1 b1 txout/rxin2 txin/rxout19 b2 b2 txin/rxout20 b3 b3 txin/rxout21 b4 b4 txin/rxout22 b5 b5 txin/rxout24 hsync hsync txin/rxout25 vsync vsync txin/rxout26 den den txout/rxin3 txin/rxout28 r6 r6 txin/rxout29 r7 r7 txin/rxout30 g6 g6 txin/rxout31 g7 g7 txin/rxout32 b6 b6 txin/rxout33 b7 b7 txin/rxout34 reserved reserved 16
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 5.6 input signals, basic display colors and gray scale of each color 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 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - blue 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 - green 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 - cyan 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - red 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - magenta 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 - yellow 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 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 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 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 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 0 0 0 0 0 0 r2 : : : : : : : : : : : : : : : : : : r3~ r252 : : : : : : : : : : : : : : : : : : 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r253 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r254 red 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r255 gray scale of green 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 g0 dark light 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 g1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 g2 : : : : : : : : : : : : : : : : : : g3~ g252 : : : : : : : : : : : : : : : : : : 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 g253 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 g254 green 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 g255 gray scale of blue 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 b0 dark light 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 b1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 b2 : : : : : : : : : : : : : : : : : : b3~ b252 : : : : : : : : : : : : : : : : : : 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 b253 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 b254 blue 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 b255 17
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 6. interface timing 6.1 timing parameters ( de only mode ) note) this product is de only mode. the input of hsync & vsync signal does not have an effect on normal operation. (1) test point : ttl control signal and clk at lvds tx input terminal in system (2) internal v dd = 3.3v signal item symbol min. typ. max. unit note clock frequency 1/t c 65 80 86 mhz - hsync f h 45 48.6 53 khz - vsync f v 47 60 63 hz - vertical display term active display period t vd 768 768 768 lines - vertical total t vb 775 810 1300 lines - horizontal display term active display period t hd 1366 1366 1366 clocks - horizontal total t h 1450 1648 2000 clocks - 18
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 6.2 timing diagrams of interface signal ( de only mode ) data signals de t vd t v t h d clk t c de t hd t vb 0.5 v cc t es t ds t dh t ch t cl t c de display data d clk 0.5 v cc 0.5 v cc 19
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 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. ? the supply voltage of the external system for the module input should be the same as the definition of v dd . ? 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. ? in case of v dd = off level, please keep the level of input signals low or keep a high impedance. ? t4 should be measured after the module has been fully discharged between power off and on period. ? interface signal should not be kept at high impedance when the power is on. t1 t2 valid 0v 0v 0.1v dd 0.9v dd 0.9v dd 0.1v dd t3 t4 50% 50% t5 t6 power on 0.47ms model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 7. outline dimension a. front view 21
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 7. outline dimension b. rear view 22
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 8. packing 8.1 carton (internal package) (1) packing form corrugated fiberboard box and corrugated cardboard as shock absorber (2) packing method 8.2 packing specification packing box item specification remark lcd packing 26 ea / (packing box) 1. 156kg/lcd(26ea) 2. 30kg/packing box(2set) 3. packing box material : paper desiccant (drier) 2ea/lcd 10g/ea, cobalt - dichloride - free pallet 1 box / pallet pallet weight : 8kg packing direction vertical - total pallet size h x v x height 1150mm x 850mm x 1125mm total pallet weight 194.52kg pallet(8kg) + module( 26 x 6 = 156kg) + packing box(15 x 2 = 30kg) + desiccant(0.02kg x 26 = 0.52kg) pallet direction be able to open module(26ea) applied to tangjeong 23
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret (1) parts number : (2) revision: one letters (3) lot number : x x x x xxx xx x cell position no. (in the glass) glass no. (in the one lot) lot no. (glass) month year (note1) product code line (4) nameplate indication (6) others 1. after service part lamps cannot be replaced because of the narrow bezel structure. (5) packing box attach part number 9. marking & others a nameplate bearing followed by is affixed to a shipped product at the specified location on each product. 24 40mm 80mm week code : 09 25 week year lta320an01 xxxxxxxxxx xxx lot number revision code t xxxx c 0925 100mm 165mm box serial number lta320an01 xxx 10
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 10. general precautions 10.1 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 easily. 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 absorbent cotton or soft cloth. (g) desirable cleaners are water, ipa(isopropyl alcohol) or hexane. do not use ketone type materials(ex. acetone), 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. 25
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 10.2 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. 10.3 operation (a) no connection or disconnect the module in the "power on" condition. (b) power supply should always be turned on/off by the "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). 10.4 operation condition guide (a) the lcd product should be operated under normal conditions. normal condition is defined as below; - temperature : 20 15 - humidity : 55 20% - display pattern : continually changing pattern (not stationary) (b) if the product will be used in extreme conditions such as high temperature, humidity, display patterns or operation time etc.., it is strongly recommended to contact sec for application engineering advice. otherwise, its reliability and function may not be guaranteed. extreme conditions are commonly found at airports, transit stations, banks, stock market, and controlling systems. 26
model lta320an01 - w doc. no 06 - 000 - g - 20110107 page / 27 samsung secret 10.5 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, and so on) 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. to avoid image sticking, it is recommended to use a screen saver. (e) this module has its circuitry pcb's on the rear side and should be handled carefully in order not to be stressed. (f) please contact sec in advance when you display the same pattern for a long time. 27

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