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az displays specifications for liquid crystal display customer approval part no. : ATM0350D2-T (az displays) ver2.2 approval company chop customer comments az displays engineering approval designed by checked by approved by ygb
ATM0350D2-T(az displays)tft module ver2.2 az displays 1 revision record revision revision date page contents ver1.0 ver2.0 ver2.1 ver2.2 2008-07-10 2011-02-22 2013-08-01 2015-02-13 all 15 first issued update lcd change viewing angle change spec format correct tp dimension
ATM0350D2-T(az displays)tft module ver2.2 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
ATM0350D2-T(az displays)tft module ver2.2 az displays 3 1. general specifications item specification remark 1. lcd size 3.5 inch(diagonal) 2. driver element a-si tft active matrix 3. resolution 320x(rgb)x240 4. display mode normally white , transmissive 5. dot pitch (w*h) 0.073mm(w) x 0.219mm(h) 6. pixel pitch(w*h) 0.219mm(w) x 0.219mm(h) 7. active area(w*h) 70.08mm(w) x 52.56mm(h) 8. module size (w*h) 76.9mm(w) x 63.9mm(h) x 4.4mm(d) note 1 9. surface treatment anti-glare 10. bezel material stainless steel 11. color arrangement rgb-stripe 12. color 16.7m 13. interface / driver ic 24bit rgb interface / hx8238-d 14. weight 39g(typ.) 15. rohs rohs compliant note 1: please refer to mechanical drawing.
ATM0350D2-T(az displays)tft module ver2.2 az displays 4 2. pin assignment tft lcd panel driving section fpc connector is used for the module electronics interface. the recommended model is 6240 series manufactured by kyocera elco. pin no. symbol function level note 1,2 v led- power for led backlight(cathode) p 3,4 v led+ power for led backlight(anode) p 5~7 nc no connection -- 8 reset lcd reset signal,active low to enter reset state. suggest to connect with an rc i 9 cs chip select i 10 scl clock synchronization signal i 11 sdi spi serial signal i 12~19 b0~b7 blue data i 20~27 g0~g7 green data i 28~35 r0~r7 red data i 36 hsync horizontal sync i 37 vsync vertical sync i 38 dotclk dot clock i 39~40 nc no connection -- 41~42 vdd power supply p 43~47 nc no connection i 48 xr right electrode of tp -- 49 yd bottom electrode of tp -- 50 xl left electrode of tp -- 51 yu top electrode of tp -- 52 enb data enable signal -- 53~54 gnd power ground p i: input, o: output, p: power
ATM0350D2-T(az displays)tft module ver2.2 az displays 5 3. operating specification 3.1.1 absolute maximum ratings item symbol values unit remark min. max. power voltage v dd -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 3.1.2 typical operation conditions item symbol values unit remark min. typ. max. power voltage v dd 2.8 3.0 3.3 v note 1 input logic high voltage v ih 0.8dv dd -- dv dd vnote2 input logic low voltage v il 0--0.2dv dd vnote2 note 1 : dv dd setting should match the signals output voltage (refer to note 2) of customer?s system board. note 2 : dclk,hs,vs,reset,cs,scl,sdi,enb,r0~r7,g0~g7,b0~b7. 3.1.3 backlight driving conditions item symbol values unit remark min. typ. max. voltage for led backlight v l 18.0 19.2 20.4 v note 1 current for led backlight i l -- 20 -- 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 =20ma. note 2 : the ?led life time? is defined as the module brightness decrease to 50% original brightness at ta=25 and i l =20ma.
ATM0350D2-T(az displays)tft module ver2.2 az displays 6 3.2 timing characteristics 3.2.1 ac electrical characteristics
ATM0350D2-T(az displays)tft module ver2.2 az displays 7
ATM0350D2-T(az displays)tft module ver2.2 az displays 8 for more detailed information, please refer to ic specification.
ATM0350D2-T(az displays)tft module ver2.2 az displays 9 4.0 optical specifications item symbol condition values unit remark min. typ. max. viewing angle (cr 10) l =180 o (9 o'clock) 65 75 -- degree note 1 r =0 o (3 o'clock) 65 75 -- t =90 o (12 o'clock) 50 55 -- b =270 o (6 o'clock) 55 60 -- response time t on normal = =0 o -- 10 20 msec note 3 t off -- 15 30 msec note 3 contrast ratio cr 250 300 -- -- note 4 color chromaticity w x 0.26 0.31 0.36 -- note 2 note 5 note 6 w y 0.28 0.33 0.38 -- luminance l 300 320 -- cd/m 2 note 6 luminance uniformity yu 75 80 -- % note 7 test conditions: 1. il=20ma (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.
ATM0350D2-T(az displays)tft module ver2.2 az displays 10 note 2 : definition of optical measurement system. the optical characteristics should be measured in dark room. after 30 minutes operation, the optical properties are measured at the center point of the lcd screen. (response 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 time interval between ?white? state and ?black? state. rise time (ton) is the time between photo detector output intensity changed from 90% to 10%. and fall time (toff) is the time between photo detector output intensity changed from 10% to 90%. figure 4.3 definition of response.
ATM0350D2-T(az displays)tft module ver2.2 az displays 11 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 measuring the center area of the panel. 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 luminance of all measurement position. bmin: the measured minimum luminance of all measurement position.
ATM0350D2-T(az displays)tft module ver2.2 az displays 12 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) package drop test 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 test, the product only guarantees operation, but don?t guarantee all of the cosmetic specification. note 4 : before cosmetic and function test, the product must have enough recovery time, at least 2 hours at room temperature.
ATM0350D2-T(az displays)tft module ver2.2 az displays 13 6. precaution for using lcm 1. when desi g nthe p roduct with this lcd module, make sure the viewin g an g le matches to its p ur p ose o f usa g e. 2. as lcd panel is made of glass substrate, dropping the lcd module or banging it against hard objects may cause cracking or fragmentation. especially at corners and edges. 3. a lthou g h the polarize r o f 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. i f the lcd module is stored at below specified temperature, the lc material ma y freeze and be deteriorated. i f 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 temperature 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 of f immediatel y as those ma y leave stains o r cause colo r 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 swiftly 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 according 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 power 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 adjusted with a high degree of precision. avoid excessive shocks and do not make any alterations or modifications. the following should be noted. b) do not tamper in any way 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 o r modif y in g its pattern. 9. static electricit y a ) operato r wear the electrostatics shielded clothes 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 charged to the equipment, which has a function of peeling or friction action (ex: conveyer, soldering iron, working table). earth the equipment through proper 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 measures should be observed for work clothes and working benches; for the latter conductive (rubber) mat is recommended. c ) floo r floor is the important part to drain static electricity, which is generated by operators or equipment. there is a possibility that charged static electricity is not properly drained in case of insulating floor. set the electrostatic earth (electrostatic earth: 1x10 8 ohm). d ) humidit y proper humidity helps in reducing the chance of generating electrostatic charges. humidity should be kept over 50%rh. e) transportation/storage the storage materials also need to be anti-static treated because there is a possibility that the human body or storage materials such as containers may be statically charged by friction or peeling. the modules should be kept in antistatic bags or other containers resistant to static for storage. f ) solderin g soldering anything to this tft display would void the warranty. g) others 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. o p eration a) driving voltage should be kept within specified range; excess voltage shortens display life. b ) response time increases with decrease in temperature. c ) displa y ma y turn black o r dark blue at temperatures above its operational ran g e; 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?.
ATM0350D2-T(az displays)tft module ver2.2 az displays 14 11. if any fluid leaks out of a damaged glass cell, wash off any 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. disassemblin g the lcd module can cause permanent dama g e and it should be strictl y avoided. 13. lcd retains the displa y pattern when it is applied fo r lon g time ( ima g e retention ) .topreventima 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 any materials, which emit gas from epoxy resin (hardener for amine) and silicone adhesive agent (dealcohol or deoxym) to prevent discoloration of polarizer due to gas. 15. a void the exposure o f the module to the direct sunli g ht o r stron g ultraviolet li g ht for a lon g time.
ATM0350D2-T(az displays)tft module ver2.2 az displays 15 7. mechanical drawing label display center pin54 pin1 stiffener conductor note: 1 unspecified tolerance 0.2 mm 2 demensions marked with "()""are for reference
ATM0350D2-T(az displays)tft module ver2.2 az displays 16 8. package drawing tbd.
ATM0350D2-T(az displays)tft module ver2.2 az displays 17 9. inspection specification 1. scope specifications contain 1.1 display quality evaluation 1.2 mechanics specification 2. sampling plan unless there is other agreement, the sampling plan for incoming inspection shall follow mil-std-105e. 2.1 lot size: quantity per shipment as one lot (different model as different lot ). 2.2 sampling type: normal inspection, single sampling. 2.3 sampling level: level ii. 2.4 aql: acceptable quality level major defect: aql=0.65 minor defect: aql=1.0 3. panel inspection condition 3.1 environment: room temperature: 255c. humidity: 655% rh. illumination: 300 ~ 700 lux. 3.2 inspection distance: 355 cm 3.3 inspection angle: the vision of inspector should be perpendicular to the surface of the module. 3.4 inspection time perceptibility test time: 20 seconds max. 4. display quality 4.1 function related: the function defects of line defect, abnormal display, and no display are considered major defects. 4.2 bright/dark dots: note: 1: the definition of dot: the size of a defective dot over 1/2 of whole dot is regarded as one defective dot. bright dot: dots appear bright and unchanged in size in which lcd panel is displaying under black pattern. the bright dot defect must be visible through 2% nd filter dark dot: dots appear dark and unchanged in size in which lcd panel is displaying under pure red, green, blue pattern. 4.3 pixel definition: note 1: if pixel or partial sub-pixel defects exceed 50% of the affected pixel or sub-pixel area, it shall be considered as1 defect. note 2: there should be no distinct non-uniformity visible through 2% nd filter within 2 sec inspection times.
ATM0350D2-T(az displays)tft module ver2.2 az displays 18 4.4visual inspection specifications:
ATM0350D2-T(az displays)tft module ver2.2 az displays 19 note: extraneous substance and scratch not affecting the display of image, for instance, extraneous substance under polarizer film but outside the display area, or scratch on metal bezel and backlight module or polarizer film outside the display area, shall not be considered as defective or non-conforming.

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