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product no. LMR67802 rev. b page 1 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 liquid crystal display module product specification customer customer part no. product number LMR67802 product mgr quality mgr engineering document control date: date: date: date:
product no. LMR67802 rev. b page 2 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 table of contents 1 main features .......................................................................................................... 4 2 mechanical specification............................................................................... 5 2.1 mechanical characteristics .................................................................... 5 2.2 labelling & marking...................................................................................... 5 2.3 mechanical drawing ..................................................................................... 6 3 electrical specification................................................................................. 7 3.1 absolute maximum ratings ....................................................................... 7 3.2 electrical characteristics ...................................................................... 7 3.3 interface pin assignment ............................................................................ 8 3.4 block diagram .................................................................................................. 9 3.5 power supply circuit ..................................................................................... 9 3.6 rom address...................................................................................................... 10 3.7 ram address...................................................................................................... 10 3.8 timing characteristics .............................................................................. 10 3.9 character font .............................................................................................. 11 4 optical specification....................................................................................... 13 4.1 optical characteristics............................................................................ 13 5 backlight specification ................................................................................ 15 5.1 e dge ccfl b/l o perating r ange ........................................................................ 15 6 quality assurance specification ............................................................. 16 6.1 conformity ....................................................................................................... 16 6.2 delivery assurance ..................................................................................... 16 7 reliability specification .............................................................................. 21 7.1 reliability tests ............................................................................................ 21 7.2 life time............................................................................................................... 21 8 handling precautions...................................................................................... 22
product no. LMR67802 rev. b page 3 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 revision record rev. date page chapt. comment ecn no. a 05/04/06 -- -- initial dca release, rohs compliant e3116 b 07/06/06 4 1 update dimensions and main features. e3176
product no. LMR67802 rev. b page 4 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 1 main features unit=mm item contents display format 320 x rgb x 234 dots colour r.g.b. stripe, 32k overall dimensions 148.0 (w) x 120.0 (h) x 19.4 max viewing area 115.48 (w) x 86.91 (h) lcd type tft mode transmissive - negative viewing angle 6:00 duty ratio 1/234 ic controller/driver hit1270 backlight type edge ccfl dc/dc converter built-in operating temperature 0c ~ +60c storage temperature -25c ~ +80c rohs compliant yes
product no. LMR67802 rev. b page 5 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 2 mechanical specification 2.1 mechanical characteristics item characteristic unit display format 320 x rgb x 234 dots -- overall dimensions 148.0 (w) x 120.0 (h) x 19.4 max mm viewing area 115.48 (w) x 86.91 (h) mm active area 113.3 (w) x 84.7 (h) mm dot pitch 0.118 (w) x 0.362 (h) mm ic controller/driver hit1270 2.2 labelling & marking densitron LMR67802 taiwan yymm
product no. LMR67802 rev. b page 6 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 2.3 mechanical drawing
product no. LMR67802 rev. b page 7 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 3 electrical specification 3.1 absolute maximum ratings vss = 0 v, ta = 25 c item symbol min max unit note power supply voltage v dd 0 5.5 v operating temperature top 0 +60 c storage temperature tst -25 +80 c note 1 note 1: <48 hrs @20~90% rh, <1000 hrs @20~65% rh. 3.2 electrical characteristics vss = 0 v, ta = 25 c item symbol condition min typ max unit power supply for logic v dd ta = 25c 4.8 5.0 5.2 v v ihc ta = 25c 0.8v dd -- v dd v input voltage v ilc ta = 25c 0 -- 0.2v dd v lcd module driving voltage v dd -v o ta = 25c 0 -- 10.0 v current consumption * i dd v dd = 5v -- 550 -- ma * i dd measurement condition is for all patterns on
product no. LMR67802 rev. b page 8 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 3.3 interface pin assignment pin no. function level description 1 vss --- power supply (ov,gnd) 2 vdd --- power supply for logic 3 n/c --- no connection 4 /rd h/l read signal 5 /wr h/l write signal 6 a0 h/l h : parameter register l : command register 7 db0 h/l display data 0 8 db1 h/l display data 1 9 db2 h/l display data 2 10 db3 h/l display data 3 11 db4 h/l display data 4 12 db5 h/l display data 5 13 db6 h/l display data 6 14 db7 h/l display data 7 15 /cs h/l chip select 16 /rst l reset signal 17 n/c --- no connection 18 fg --- frame ground 19 /wait h/l h : release command l : busy 20 n/c --- no connection
product no. LMR67802 rev. b page 9 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 3.4 block diagram 3.5 power supply circuit lcm module vdd =5v vss = gnd
product no. LMR67802 rev. b page 10 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 3.6 rom address ? 8m bit rom (512k x 16 bit) ? address: 0~3fff: 5x8 character font like en glish and japanese (can?t be erased) ? address: 4000~7fff: 5x8 character font like english european character (can?t be erased) ? address: 8000~bfff: 5x8 character font like english european character (can?t be erased) ? address: c000~13fff: 16x16 character font lik e english and number (can?t be erased) ? address: 14000~17fff: reserved (can?t be erased) ? address: 18000~1ffff: report.txt to describe the starting and ending address of every picture (photo) and character (controlled by software) ? address: 20000~7ffff: developed by user (can be erased) 3.7 ram address ? text mode: 0h ~ 487fh ? graphics mode: 18000h ~ 24a7fh 3.8 timing characteristics note: please reference the manufacturer?s datasheet for the hit1270 controller.
product no. LMR67802 rev. b page 11 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 3.9 character font 3.9.1 address: 0 ~ 3fff ------ 5x8 character font like english and japanese. 3.9.2 address: 4000 ~ 7fff ------ 5x8 character font like english european character.
product no. LMR67802 rev. b page 12 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 3.9.3 address: 8000 ~ bfff ------ 5x8 characte r font like english european character. 3.9.4 address: c000 ~ 13fff ------ 16x16 char acter font like english character and number.
product no. LMR67802 rev. b page 13 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 4 optical specification 4.1 optical characteristics ta = 25 c item symbol condition min typ max unit note 0 1 down cr 2 -- 50 -- deg 1 180 2 up cr 2 -- 30 -- deg 1 90 3 right cr 2 -- 50 -- deg 2 viewing angle 270 4 left cr 2 -- 30 -- deg 2 contrast ratio cr ta = 25 c -- 250 -- - 3 tr ta = 25 c -- 15 30 response time tf ta = 25 c -- 20 40 ms 4 driving method duty 1/234 lcd type tft ? (negative / transmissive) viewing direction 6:00
product no. LMR67802 rev. b page 14 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 note 1: definition of viewing angle 1 & 2 note 2: definition of viewing angle 3 & 4 note 3: definition of contrast ratio (cr) driving voltage(v) intensity cr max 100 vop selected wave non-selected wave [p ositive t yp e ] cr = loff / lon driving voltage(v) intensity cr max 100 vop selected wave non-selected wave [negative type] cr = lon / loff note 4: definition of response time in te n sity 90 100 tr 10 tf n on-selected condition n on-selected condition selected condition [positive type] intensity 90 100 tr 10 tf n on-selected c ondition n on-selected c ondition selected c ondition [negative type]
product no. LMR67802 rev. b page 15 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 5 backlight specification 5.1 edge ccfl b/l operating range standard item conditions min. typ. max. unit remark starting voltage ta = 0 c --- --- 910 vrms ta = 25 c --- --- 650 vrms lamp voltage ta = 25 c --- 470 528 vrms lamp current ta = 25 c 5.9 6.0 6.1 ma oscillation frequency ta = 25 c --- 60.0 80.0 khz lamp life ta = 25 c , il = 6 ma humidity : 30%rh ~ 85%rh --- 20,000 --- hrs note 3 operating temp. humidity : 30%rh ~ 85%rh 0 --- 60 c storage temp. humidity : 30%rh ~ 85%rh -30 --- 80 c brightness uniformity ta = 25 c , il = 6 ma 80 --- --- % note 1 average brightness of white ta = 25 c , il = 6 ma 250 300 --- note 2 note : 1 : average brightness of 3 points when b/l is used at the beginning. 2 : brightness uniformity = (min / max) x 100 % 3 : half of the original average brightness. 1 2 3
product no. LMR67802 rev. b page 16 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 6 quality assurance specification 6.1 conformity the performance, function and reliability of the shipped products conform to the product specification. 6.2 delivery assurance 6.2.1 delivery inspection standards ? mil-std-105e, general inspection level ii, single sampling level; ? ipc-aa610 rev. c, class 2 electronic assemblies standard the quality assurance levels are shown below: class aql (%) critical defect 0.5% major defect 1.0% minor defect 1.5% total 2.0%
product no. LMR67802 rev. b page 17 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 6.2.2 zone definition 6.2.3 visual inspection ? inspect under 2x20w or 40w fluorescent lamp (approximately 3000 lux) leaving 25 to 30 cm between the module and the lamp and 30 cm between the module and the eye (measuring position). ? appearance is inspected at the best contrast voltage (best contrast is adjusted considering clearness and crosstalk on screen). ? inspect the module at 45 right and left, top and bottom. ? use the optimum viewing angle during the contrast inspection. a viewing area b outside viewing area 45 45 e y e
product no. LMR67802 rev. b page 18 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 6.2.3.1 standard of appearance inspection units: mm class item criteria minor outside & inside package presence of product no., lot no., quantity critical packing & label product must not be mixed with others and quantity must not be different from that indicated on the label major dimension product dimensions must be according to specification and drawing major electrical product electrical characteristics must be according to specification critical lcd display missing lines or wrong patterns on lcd display are not allowed round type: as per following drawing ? = (x+y)/2 acceptable quantity size zone a zone b ? <0.1 any number 0.1< ? <0.2 2 0.2< ? <0.25 1 0.25< ? 0 any number line type: as per following drawing acceptable quantity length width zone a zone b - - w 0.02 any number l 3.0 0.02 product no. LMR67802 rev. b page 19 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 class item criteria 1.a. pin hole on segmented display w: segment width ? = (a+b)/2 acceptable quantity width ? w 0.4 ? 0.2 and ? 1/2w w>0.4 ? 0.25 and ? 1/3w total acceptable quantity: 1 defect per segment pin holes with ? under 0.10 mm are acceptable minor segment deformation 1b. pin hole on dot matrix display acceptable quantity size a,b<0.1 any number (a+b)/2 0.1 any number 0.5< ? <1.0 3 total acceptable quantity: 7 2. segments / dots with different width acceptable a b a/b 4/3 a4/3 3. alignment layer defect ? = (a+b)/2 acceptable quantity size ? 0.4 any number 0.4< ? 1.0 5 1.0< ? 1.5 3 1.5< ? 2.0 2 total acceptable quantity: 7 minor segment deformation minor colour uniformity level of sample for approval set as limit sample critical the backlight colour should correspond to the product specification critical flashing and or unlit backlight is not allowed minor backlight dust larger than 0.25 mm is not allowed major exposed wire bond pad is not allowed major insufficient covering with resin is not allowed (wire bond line exposed) minor cob dust or bubble on the resin are not allowed
product no. LMR67802 rev. b page 20 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 class item criteria major no unmelted solder paste should be present on pcb critical cold solder joints, missing solder connections, or oxidation are not allowed minor no residue or solder balls on pcb are allowed critical pcb short circuits on components are not allowed size quantity ? <0.2 any number on tray ? >0.25 4 ? 0.25 2 on display l = 3 1 minor tray particles
product no. LMR67802 rev. b page 21 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 7 reliability specification 7.1 reliability tests test item test condition evaluation and assessment operation at high temperature 60c2c for 240 hours no abnormalities in function* and appearance** low temperature 0c2c for 240 hours no abnormalities in function* and appearance** heat shock -30c (30 min.) ->25c (5 min.) ->80c (30 min.) ->->25c (5 min.) 5 cycle no abnormalities in function* and appearance** vibration 10hz ~ 55hz 0.3mm / 1 octave 55hz ~ 500hz 3g / 1 octave 20 cycles / per axis no abnormalities in function* and appearance** drop shock drop shock no abnormalities in function* and appearance** current consumption < 3 times initial value no abnormalities in function* and appearance** contrast > ? time initial value no abnormalities in function* and appearance** 7.2 life time item description 1 function, performance, appearance, etc. shall be free from remarkable deterioration within 50,000 hours under ordinary operating and storage conditions of room temperature (2510 c), normal humidity (4520% rh), and in area not exposed to direct sunlight.
product no. LMR67802 rev. b page 22 / 22 copyright ?2006 densitron technologies plc. all rights reserved. ? proprietary data form no. dt-029 8 handling precautions safety if the lcd panel breaks, be careful not to get the liq uid crystal fluid in your mouth or in your eyes. if the liquid crystal touches your skin or clothes, wash it off immediately using soap and plenty of water. mounting and design place a transparent plate (e.g. acrylic, polycarbonate or glass) on the display surface to protect the display from external pressure. leave a small ga p between the transparent plate and the display surface. when assembling with a zebra connector, cl ean the surface of the pads with alcohol and keep the surrounding air very clean. design the system so that no input signal is given unless the power supply voltage is applied. caution during lcd cleaning lightly wipe the display surface with a soft cloth soaked with isopropyl alcohol, ethyl alcohol or trichlorotriflorothane. do not wipe the display surface with dry or hard materials that will damage the polariser surface. do not use aromatic solvents (toluene and xylene), or ketonic solvents (ketone and acetone). caution against static charge as the display uses c-mos lsi drivers, connect any unused input terminal to vdd or vss. do not input any signals before power is turned on. also, ground your body, work/assembly table and assembly equipment to protect against static electricity. packaging displays use lcd elements, and must be treated as such. avoid strong shock and drop from a height. to prevent displays from degradation, do not operat e or store them exposed directly to sunshine or high temperature/humidity. caution during operation it is indispensable to drive the display within the specified voltage limit since excessive voltage shortens its life. direct current causes an electroche mical reaction with remarkable deterioration of the display quality. give careful consideration to prevent direct current during on/off timing and during operation. response time is extremely delayed at te mperatures lower than the operating temperature range while, at high temperatures, displays become dark. however, this phenomenon is reversible and does not mean a malfunction or a display that has been permanently damaged. if the display area is pushed on hard during operation, some graphics will be abnormally displayed but returns to a normal condition after turning off the display once. even a small amount of condensation on the contact pads (terminals) can cause an electro-chemical reaction which causes missing rows and columns. give careful attention to avoid condensation. storage store the display in a dark place where the temperature is 25c 10c and the humidity below 50%rh.store the display in a clean environment, free from dust, organic solvents and corrosive gases. do not crash, shake or jolt the display (including accessories).

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