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az displays specifications for liquid crystal display customer approval part no. : atm0280b15 (az displays) specv1.2 approval company chop customer comments az displays engineering approval designed by checked by approved by
atm0280b15(az displays) tft module v1.2 az displays 1 revision record revision revision date page contents ver1.0 ver1.1 ver1.2 2013-03-20 2013-05-27 2013-07-04 6,8 3 first issue correct backlight driving conditions change polarizer to anti-glare type
atm0280b15(az displays) tft module v1.2 az displays 2 contents 1. general specifications 2. pin assignment 3. operating specifications 4. optical specifications 5. reliability test 6. precaution for using lcm 7. mechanical drawing 8. package drawing 9. inspection specification
atm0280b15(az displays) tft module v1.2 az displays 3 1. general specifications item specification remark 1. lcd size 2.8 inch(diagonal) 2. driver element a-si tft active matrix 3. resolution 240x(rgb)x320 4. display mode normally white,transmissive 5. dot pitch (w*h) 0.06mm(w) x 0.18mm(h) 6. active area(w*h) 43.2mm(w) x 57.6mm(h) 7. module size (w*h) 50.0mm(w) x 69.2mm(h) x 3.0mm(d) note 1 8. surface treatment anit-glare 9. color arrangement rgb-stripe 10. driver ic hx8347-i 11. backlight power consum ption 0.264w(typ.) 12. panel power consumpt ion 0.014w(typ.). 13. weight 17g(typ.) 14. rohs rohs compliant note 1: please refer to mechanical drawing.
atm0280b15(az displays) tft module v1.2 az displays 4 2. pin assignment tft lcd panel driving section fpc connector is used for the module electronics interface. the recommended model is ?04 6240 050" series manufactured by kyocera. pin no. symbol function level note 1 id maker?s identification, default ?h? o 2 vssd digital ground p 3 iovcc digital io pad power supply p 4 vssa analog ground p 5 vci analog power supply p 6 vsync vertical sync i 7 hsync horizontal sync i 8 enable data enable i 9dotclk dotclock i 10 dnc data/register select i 11 nreset system reset i 12 sdi serial data input i 13 nwr_scl write enable / serial clock input i 14 nrd read enable i 15 ncs chip select i 16 te tearing effect output o 17-34 d0-d17 data line, refer to ic spec for detailed connection method i/o 35 sdo serial data output o 36-41 nc no connection -- 42 im3 interface select, refer to ic spec for detailed information i 43 im2 44 im1 45 im0 46 vled(k4) power supply for led(-) p 47 vled(k3) power supply for led(-) p 48 vled(k2) power supply for led(-) p 49 vled(k1) power supply for led(-) p 50 vled(a) power supply for led(+) p i: input, o: output, p: power
atm0280b15(az displays) tft module v1.2 az displays 5 3. operating specification 3.1 absolute maximum ratings item symbol values unit remark min. max. power voltage vci/vddio -0.3 4.6 v operation temperature t op -20 70 oc storage temperature t st -30 80 oc led reverse voltage v r -1.2v each led note 2 led forward current i f 25 ma each led note 1 : the absolute maximum rating values of this product are not allowed to be exceeded at any times. should a module be used with any of the absolute maximum ratings exceeded, the characteristics of the module may not be recovered, or in an extreme case, the module may be permanently destroyed. note 2 : v r conditions: zener diode 20ma 3.2 typical operation conditions item symbol values unit remark min. typ. max. operating voltage vci 2.3 2.8 3.3 v io voltage iovcc 1.65 2.8 3.3 v note 1 input logic high voltage v ih 0.8iovcc -- iovcc v input logic low voltage v il 0 -- 0.2iovcc v note 1 : iovcc setting should match the signals output voltage of customer?s system board.
atm0280b15(az displays) tft module v1.2 az displays 6 3.3 backlight driving conditions item symbol values unit remark min. typ. max. voltage for led backlight v l 3.0 3.2 3.4 v note 1 current for led backlight i l -- 80 -- ma led life time -- 30000 -- -- hr note 2 note 1 : the led supply voltage is defined by the number of led at ta=25 and i l =80ma. note 2 : the ?led life time? is defined as the module brig htness decrease to 50% original brightness at ta=25 and i l =80ma.
atm0280b15(az displays) tft module v1.2 az displays 7 3.4 timing characteristics please refer to ic specification for detailed information.
atm0280b15(az displays) tft module v1.2 az displays 8 4.0 optical specifications item symbol condition values unit remark min. typ. max. viewing angle (cr 10) l =180 o (9 o'clock) 65 70 -- degree note 1 r =0 o (3 o'clock) 70 75 -- t =90 o (12 o'clock) 70 75 -- b =270 o (6 o'clock) 50 55 -- response time t on + t off normal = =0 o -- 30 60 msec note 3 contrast ratio cr 400 500 -- -- note 4 color chromaticity w x 0.26 0.31 0.36 -- note 2 note 5 note 6 w y 0.26 0.31 0.36 -- luminance l 300 350 -- cd/m 2 note 6 luminance uniformity yu 75 80 -- % note 7 test conditions: 1. vci=3.2v, il=80ma (backlight current), the ambient temperature is 25 . 2. the test systems refer to note 2. note 1 : definition of viewing angle range figure 4.1 definition of viewing angle.
atm0280b15(az displays) tft module v1.2 az displays 9 note 2 : definition of optical measurement system. the optical characteristics should be measured in dark roo m. after 30 minutes operation , the optical properties are measured at the center point of the lcd screen. (res ponse time is measured by photo detector topcon figure 4.2 optical measurement system setup note 3 : definition of response time the response time is defined as the lcd optical switching tim e interval between ?white? state and ?black? state. rise time (ton) is the time between photo detector output intens ity changed from 90% to 10%. and fall time (toff) is the time between photo detector output i ntensity changed from 10% to 90%. figure 4.3 definition of response.
atm0280b15(az displays) tft module v1.2 az displays 10 note 4 : definition of contrast ratio note 5 : definition of color chromaticity (cie1931) color coordinates measured at center point of lcd. note 6 : all input terminals lcd panel must be ground while measur ing the center area of the panel. the led driving condition is i l =80ma . note 7 : definition of luminance uniformity active area is divided into 9 measuring areas (refer to fig. 4 -4 ).every measuring point is placed at the center of each measuring area. figure 4.3 definition of measuring points. bmax: the measured maximum lumi nance of all measurement position. bmin: the measured minimum lumi nance of all measurement position.
atm0280b15(az displays) tft module v1.2 az displays 11 5. reliability test item t est condition item r emark high temperature storage ta= 80 o c 240hrs note 1 note 4 low temperature storage ta=-30 o c 240hrs note 1 note 4 high temperature operation ts= 70 o c 240hrs note 2 note 4 low temperature operation ts=-20 o c 240hrs note 1 note 4 high temperature/high humidity operation 90% rh 60 o c 240hrs note 4 thermal shock -30 /30 min ~ +80 /30 min for a total 100 cycles, start with cold temperature and end with high temperature. note 4 vibration test freq:10~55~10hz amplitude:1.5mm 2 hours for each direction of x,y,z (6 hours for total) mechanical shock 100g 6ms,x, y, z 3 times for each direction package vibration test random vibration : 0.015g*g/hz from 5-200hz, -6db/octave from 200-500hz 2 hours for each direction of x. y. z. (6 hours for total) packagedroptest height:60 cm 1 corner, 3 edges, 6 surfaces electro static discharge 2kv, human body mode, 100pf/1500 ? note 1 : ta is the ambient temperature of samples. note 2 : ts is the temperature of panel?s surface. note 3 : in the standard condition, there shall be no practical problem that may affect the display function. after the reliability tes t, the product only guarantees operation, but don?t guarantee all of the cosmetic specification. note 4 : before cosmetic and function test, the produc t must have enough recovery time, at least 2 hours at room temperature.
atm0280b15(az displays) tft module v1.2 az displays 12 6. precaution for using lcm 1. when desi g n the product with this lcd module, make sure the viewin g an g le matches to its purpose of usa g e. 2. a s lcd panel is made of glass substrate, dropping the lc d module or banging it against hard objects may cause cracking or fragmentation. especially at corners and edges. 3. a lthou g h the polarizer of this lcd module has the anti- g lare coatin g ,alwa y s be careful not to scratch its surface. use of a plastic cover is recommended to protect the surface of polarizer. 4. if the lcd module is stored at below spec ified temperature, the lc material ma y freeze and be deteriorated. if it is stored at above specified temperature, the molecular orientation of the lc material may change to liquid state and it may not revert to its original state. excessive temperat ure and humidity could cause polarizer peel off or bubble. therefore, the lcd module should always be stored within specified temperature range. 5. saliva or water droplets must be wiped off immediatel y as those ma y leave stains or cause color chan g es if remained for a long time. water vapor will cause corrosion of ito electrodes. 6. if the surface of lcd panel needs to be cleaned, wipe it swiftl y with cotton or other soft cloth. if it is not still clean enough, blow a breath on the surface and wipe again. 7. the module should be driven accordin g to the specified ratings to avoid malfunction and permanent damage. applying dc voltage cause a rapid deterioration of lc material. make sure to apply alternating waveform by continuous application of the m signal. especially the pow er on/off sequence should be kept to avoid latch-up of driver lsis and dc charge up to lcd panel. 8. mechanical considerations a ) lcm are assembled and ad j usted with a hi g hde g ree of precision. a void excessive shocks and do not make any alterations or modifications. the following should be noted. b ) do not tamper in an y wa y with the tabs on the metal frame. c ) do not modif y the pcb b y drillin g extra holes, chan g in g its outline, movin g its components or modif y in g its pattern. d ) do not touch the elastomer connector; especiall y insert a backli g ht panel ( for example, el ) . e ) when mountin g a lcm makes sure that the pcb is not under an y stress such as bendin g or twistin g . elastomer contacts are very delicate and missing pix els could result from slight dislocation of any of the elements. f ) a void pressin g on the metal bezel, otherwise the elastomer co nnector could be deformed and lose contact, resulting in missing pixels. 9. static electricit y a ) operator wear the electrostatics shielded clot hes because human body may be statically charged if not ware shielded clothes. never touch any of the conductive parts such as the lsi pads; the copper leads on the pcb and the interface terminals with any parts of the human body. b) equipment there is a possibility that the static electricity is charge d to the equipment, which has a function of peeling or friction action (ex: conveyer, soldering iron, wor king table). earth the equipment through p roper resistance (electrostatic earth: 1x10 8 ohm). only properly grounded soldering irons should be used. if an electric screwdriver is used, it should be well grounded and shielded from commutator sparks. the normal static prevention measur es should be observed for work clothes and working benches; for the latter conductive (rubber) mat is recommended. c ) floor floor is the important part to drain static electric ity, which is generated by operators or equipment. there is a possibility that charged static electricity is not pro perly drained in case of insulating floor. set the electrostatic earth (electrostatic earth: 1x10 8 ohm). d) humidity proper humidity helps in reducing the chance of generating el ectrostatic charges. humidity should be kept over 50%rh. e ) transportation/stora g e the storage materials also need to be anti-static treat ed because there is a possibility t hat the human body or storage materials such as containers may be stat ically charged by friction or peeling. the modules should be kept in antistatic bags or ot her containers resistant to static for storage. f ) solderin g solder only to the i/o terminals. use only soldering irons with proper grounding and no leakage. soldering temperature : 280 c 10 c soldering time: 3 to 4 sec. use eutectic solder with resin flux fill. if flux is used, the lcd surface should be covered to avoid flux spatters. flux residue should be removed afterwards. g) others
atm0280b15(az displays) tft module v1.2 az displays 13 the laminator (protective film) is attached on the surface of lcd panel to prevent it from scratches or stains. it should be peeled off slowly using static eliminator. static eliminator should also be installed to the workbench to prevent lcd module from static charge. 10. operation a ) drivin g volta g e should be kept within specified ran g e; excess volta g e shortens displa y life. b ) response time increases wi th decrease in temperature. c) display may turn black or dark blue at temperatures above its operational range; this is (however not pressin g on the viewing area) may cause the segments to appear ?fractured?. d ) mechanical disturbance durin g operation ( such as pressin g on the viewin g area ) ma y cause the se g ments to appear ?fractured?. 11. if an y fluid leaks out of a dama g ed g lass cell, wash off an y human part that comes into contact with soap and water. the toxicity is extremely low but caution should be exercised at all the time. 12. disassembling the lcd module can cause permanent damage and it should be strictly avoided. 13. lcd retains the displa y pattern when it is applied for lon g time ( ima g e retention ) . to prevent ima g e retention, do not apply the fixed pattern for a long time. image retention is not a deterioration of lcd. it will be removed after display pattern is changed. 14. do not use an y materials, which emit g as from epox y resin ( hardener for amine ) and silicone adhesive a g ent (dealcohol or deoxym) to prevent discoloration of polarizer due to gas. 15. a void the exposure of the module to the direct sunlight or stron g ultraviolet light for a lon g time. the brightness of lcd module may be affected by the routi ng of ccfl cables due to leakage to the chassis through coupling effect. the inverter circuit needs to be designed tak ing the level of leakage current into consideration. thorough evaluation is needed for lcd module and inverter bu ilt into its host equipment to ensure specified brig htness.
atm0280b15(az displays) tft module v1.2 az displays 14 7. mechanical drawin g 43.2(lcd a/a) (25) *500.2(outline) 3.4 remove tape *69.20.2(outline) 57.6(lcd a/a) (31.9) 3.1 (0.50.3) silicon 80.5 1.60.5 25.50.15 50.5 30.1 4-0.80.1 49.050.1 0.4750.1 0.4750.1 68.250.1 4 - ? 0 . 9 5 0 . 1 25.50.15 3.30.2 with fpc&b/l fpc 30.3 *0.50.1 *pitch 0.5*(50-1)=24.50.1 *w=0.350.08 *s=0.150.08 0.30.05 pi stiffener conduct side ic protect tape insulation tape t:0.05 solder high:0.4mm(max)
atm0280b15(az displays) tft module v1.2 az displays 15 8. packag e drawing t.b.d. 9. inspection specification t.b.d.

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