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? 20 12 4d systems www.4d systems .com .au page 1 of 16 4 d l cd - 32 wa d i s p l ay d at as heet do cu m e n t da t e : 1 st n o v em b e r 201 2 d o c u men t r ev i s io n : 1.0 http://
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 2 of 16 t ab le o f c o n t en t s 1. s p e c if ic a t io n s ................................ ................................ ................................ ................................ .................... 3 1. 1 g en er a l c h a r a c t er i s t i c s .................................................................................................................................. 3 1.2 m e ch a n i ca l sp e c i f i ca t i o n s .............................................................................................................................. 4 1. 3 p i n de s cr ip t io n s .............................................................................................................................................. 5 2. e l ec t r i c al s p ec i f i c at i o n s ................................ ................................ ................................ ................................ ..... 6 2.1 a bso lut e m a x i m um r a t ing s ........................................................................................................................... 6 2.2 dc c h a ra ct e ri s t ic s .......................................................................................................................................... 6 2.3 l e d b a ck ligh t m a x im u m ra t in gs .................................................................................................................... 6 2.4 l e d b a ck ligh t o p t ica l c h a ra ct e ris t i cs ............................................................................................................. 7 3. o p t i c al c h ar ac t er i s t i c s ................................ ................................ ................................ ................................ ...... 8 4. t o u c h c h ar ac t e r i s t i c s ................................ ................................ ................................ ................................ ...... 10 5. q u alit y t e s t ing ................................ ................................ ................................ ................................ ................ 11 5.1 re lia b ilit y t e s t s ............................................................................................................................................. 11 6. p re c a u t i o n s f o r u s i n g l c d m o d u l e s ................................ ................................ ................................ ................ 12 6.1 h a ndi ng p re c a ut io ns .................................................................................................................................... 12 6.2 s t or ag e p re c au t ion s ..................................................................................................................................... 13 7. u s i n g l c d mo d u l e s ................................ ................................ ................................ ................................ ......... 14 7.1 i n s t a llin g l c d m o d u le s ................................................................................................................................ . 14 7.2 p re c au t ion s f or o p e rat ion ............................................................................................................................ 14 7.3 s a fet y ............................................................................................................................................................ 15 7.4 r e t ur n l c m unde r w a rra nt y ........................................................................................................................ 15
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 3 of 16 1. s p e c if ic a t io n s 1 . 1 g en er a l c h arac t e ri s t i c s s. n o . i t em s s p e c if ic at io n s 1 scr e e n s i z e ( i n ch ) 3. 2 di a go n a l 2 l c d t ype a - si tf t, p o si t i ve , t r a n s m i s s i v e 3 c ol or s 65k c o l o r s 4 di s p l a y re s o l u t i o n 240 x rg b x 400 5 m o dul e o ut l i ne ( m m ) 47.7 x 80.9 x 3.6 (w x h x t) 6 a c t iv e a r ea ( mm ) 4 1. 7 6 x 69. 6 (w x h ) 7 t o u ch p a n e l di m e n s io n 47. 5 x 80. 1 x 1 . 2 ( w x h x t ) 8 vi e w i n g direction 12: 00 o c l o ck 9 p i x el a r r a n g e men t rg b v e r t i ca l st r i p e 10 i n t er fa c e 8080, 8/1 6 b i t cpu interface 11 a s s e m bl y t ype c o nne c t o r t ype f p c 12 d r i v e r ic r61509 v 13 b a ck l i gh t 6 x w h i t e l e d 14 p i x el a r r a n g e men t rg b v e rt i ca l st rip e
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 4 of 16 1 . 2 m e c ha n i c a l sp e c i f i c a ti o n s
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 5 of 16 1 . 3 pi n d e s c r i p t i o n s p in s y mb o l i/ o f u n c t i o n 1 g n d p o wer g ro und 2 g n d p o wer g ro und 3 i m o ( 8/ 1 6) c on t rol i n t er fa c e m o d e 0: f o r 16b it m o d e 1: f o r 8b it m o d e 4 f ma r k c on t r ol o ut put a f r ame head pulse signal 5 y - (y d ) i n p u t t o uc h p a ne l y 6 x + ( x l ) i n p u t t o u ch p a n e l x 7 r es et i n p u t a re s e t si gn a l 8 r s i n p u t a re gi s t e r s e l e ct s i gn a l 9 cs input a c h i p s e l e ct s i gn a l 10 rd i n p u t rea d s i gn a l 11 w r i n p u t w r it e s ign a l 12 v cc power 3. 3v: an a l o g p o w e r su p p l y 13 nc - no t c o nne c t e d 14 g n d p o wer g r o und 15~ 22 db 15 ~ db 0 8 i/ o p a ra lle l i n t e rf a ce d a t a b u s 23 db 7 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 24 db 6 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 25 db 0 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 26 db 1 i/o p a r a l l e l i n t e r f a ce d a t a b u s 27 db 2 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 28 db 3 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 29 db 4 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 30 db 5 i/ o p a r a l l e l i n t e r f a ce d a t a b u s 31 y+ ( y u ) i n p u t t o uc h p a ne l y 32 x - (x r ) i n p u t t o u ch p a n e l x : 33 l e da l e d a no de 34 l e dk 1 l e d ca t h o d e 35 l e dk 2 l e d ca t h o d e 36 l e dk 3 l ed cat h o d e 37 l e dk 4 l e d ca t h o d e 38 l e dk 5 l e d ca t h o d e 39 l e dk 6 l ed cat h o d e 40 g n d p o wer g ro u n d
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 6 of 16 2. e l ec t r i c a l s p e c if ic a t io n s 2 . 1 ab s ol u te m a x i m um r a ti n g s i t e m s s y mb o l condition m i n . m a x . u n it power supply voltage v ci t a = +2 5 o c - 0.3 +4 . 6 v v gh C v ss - 0. 3 + 18. 5 v v ss C v gl - 0. 3 + 18. 5 v i n p u t vo l t a ge vi n - 0. 3 v ci + 0.3 v o p er a t i n g t e mp er a t u r e t op - - 20 +7 0 o c s t o r a g e t emp er a t u r e t st - - 30 +8 0 o c st o r a ge h u m i d i t y h d ta < 40 o c 20 90 % rh c a u t i o n s : a n y s t res s e s ex c eed in g t h e a b s o lu t e m a x i mu m r a t in g s ma y c a u s e s u b s t a n t ia l d a ma g e t o t h e d ev ic e. 2 . 2 d c c h arac t e ri s t i c s items s y mb o l c o n d i t i o n s min. typ. m a x . u n it p o w e r s uppl y v o lt a g e v ci t a = +2 5 o c 2. 6 2.8 3.3 v i n p u t h i gh vo l t a ge v ih 0. 8v c i - v c i v i n p u t l o w vo l tage v il - 0.3 - 0. 2v c i v o u t p u t h i gh vo ltage v oh 0. 8v c i - - v o u t p u t l o w vo ltage v ol - - 0. 2v c i v 2 . 3 l e d b a c k l i g h t m a x i m u m r a ti n g s items s y mb o l c o n d i t i o n s min. typ. max. u n it c o mme n t s f o r w a r d c u r r e n t i f ta = +25 o c - - 60 ma for w ar d v ol t ag e v f - - 3. 5 v p o w e r di s s i p a t io n p d - - 210 mw
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 7 of 16 2 . 4 l e d b ac k l i g h t o p t i c al c h arac t e ri s t i c s i t e m s s y mb o l conditions m i n . t yp . m a x . u n it forward voltage v f i f = 60ma v f = 3. 2v 4 x w h i t e l e ds ta = +25 o c 2.8 3.2 3.5 v av e r a ge b r i gh t n e s s ( w i t h o u t l c d) i v 3500 - - cd/m 2 c h r om at i c i t y c oor d i n at e s x 0. 26 - 0. 31 y 0. 26 - 0. 31 color white
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 8 of 16 3. o p t i c a l c h a r ac t er i st i c s o pt i c a l c ha r a c t e r i s t i c s a r e de t e r m i ne d a f t e r t he uni t ha s be e n o n a nd s t a bl e f o r a ppr o x i m a t e l y 3 0 m i n i n a da r k e nv i r o nm e nt a t 2 5 o c . t h e v a l u es s p e c i fi ed a r e a t a n a p p r o x i ma t e d i s t a n c e 5 0 c m fr o m t h e t f t - l c d s u r fa c e a t a v i e wi n g a n gl e o f x = y = 0 o . v cc = 2. 8v item symbol condition min typ max unit remark contrast ratio cr - 250 - - note 3 response time tr+tf ta = +25 o c x = y = 0 o - 30 - ms note 2 c o l o r fi l t e r chromaticity r ed x t a = +2 5 o c x = y = 0 o 0.606 0.626 0.646 - n o t e 1 y 0. 314 0.334 0.354 - g r e en x 0. 257 0. 277 0. 297 - y 0. 529 0.549 0.569 - bl u e x 0. 122 0. 142 0. 162 - y 0. 102 0. 122 0. 142 - wh i te x 0. 283 0. 303 0. 323 - y 0. 305 0.325 0.345 - a v er a g e b r i g h t n es s p a t t er n = w hi t e di s pl a y ( m a i n) i v i f = 6 0 ma - 150 - cd / m 2 n o t e 1 u n i f o r m i t y ? b i f = 6 0 ma 80 - - % fi g 1: o pt i c a l c ha r a c t e r i s t i c m e a s ur e m e nt a nd m e t ho d n o t e1 : 1. ? b = b( m in ) / b( m a x ) 1 0 0 % 2. me a s ur e m e nt co ndi t io n f o r o p t ica l c h a ra ct e ris t ics : a. e nv iro nm e nt : 2 5 5 / 60 20% r.h no w ind , d ar k r oom b e low 1 0 l u x wi t h a t y p ica l l a m p . b. c ur re nt a nd t ypi c a l o pe ra t ing f re que nc y. c. me a s u r e m e n t di s t a n ce : 500 50 mm , ( = 0 ) . d. e qui pm e nt : t o p c o n b m- 7 f a s t , ( f ie ld 1 ) , a ft er 1 0 mi n u t e s op e rat ion . e. t h e u n c er t a in t y o f t h e c . i . e c o o rd in a t e mea s u r em en t 0 . 0 1 , a v er a g e b rig h t n e s s 4 % n o t e2 : r es p o n s e t i m e: t he o ut put s ig na ls o f pho t o de t e c t o r a re m e a s ur e d w h e n t he i nput s ig na ls a re c h an g e d f rom b lac k t o w h it e ( f a llin g t ime) a n d fr o m w h it e t o b l ac k ( ris in g t i m e ) , re s p e c t iv el y . t h e r e s p o n s e t im e i s d e fi n ed a s t h e t im e i n t er v a l b et w een t h e 1 0 % a n d 9 0 % o f a mp lit u d es . r ef er t o fi g u re a s b el o w :
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 9 of 16 n o t e3 : c o n t r a s t r a t i o : c o n t ra s t r a t io i s ca lcu la t e d w i t h t h e f o llo w in g f o r m u la , co n t r a s t r a t io (c r ) = p ho t o d et ec t o r o ut p ut w hen l c d is at w hi t e s t a t e p ho t o d et ec t o r o ut p ut w hen l c d is at b l a c k s t a t e n o t e4 : v ie w in g a n g le : r ef er t o fi g u r e a s b el o w : n o t e: t h e s c reens u s ed a r e t h e h i g h es t r a t ed ' g ra d e a ' di s p l a y s w h i ch a l l o w f o r 0 - 4 d ef ec t i v e p i x el s . a d e fec t i v e p i x el could be solid black (dead), red, green or blue. 4d systems is not liable for a return/replacement for any display that has 4 or less defective pixels.
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 10 of 16 4. t o u ch c h a r ac t e r i st i c s touch parameters parameter conditions min typ max units o p e r a t i n g v o l t a ge - 5 - v l i n e a r i t y 1. 5 % t erminal resistance x x film side 200 300 4 50 ohm t e r m i n a l r e si st a n c e y y f i l m s i d e 300 600 9 50 o hm o p e r a ting temperature - 10 - 60 o c s to ra g e t e m p e ra tu re - 20 - 70 o c t ra n s m itta nce 80 - - % l i f e t i m e C t a ppi ng d ur a b i l i t y 1 - - mi l l i o n l i f e t i m e C pen durability s t y l u s p e n or finger press 1 - - m i l l i o n r e sp o n se t ime 10 ms ? i to fi l m : s in g l e l ay e r/ c le ar h ar d coat in g ? t ail t y p e : f p c by g o lde n p la t e d ? c o n n ec t i o n : f p c co n n e c t o r ? r o h s c o mp l i a n t
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 11 of 16 5. q u al i t y t est i n g re s u lt e v a lu a t io n c rit e rio n : ? t = 25 + 2 o c , i ndo o r s , n o t e x po s e d t o s unl i g ht , h um i di t y = 6 0 + 5 % rh. ? operat i ng s t a t e : s a m pl e s s ubj e c t t o t he t e s t s ha l l be i n o pe r a t i ng c o ndi t i o ns . 5 . 1 r e li a b i l i t y t es t s no. i t em c o n d it io n p ass/ fa i l rem ar k s 1 h i g h t e mp er a ture storage 80 o c + 2 o c , 96h r s p a ss m o dul e w i th o u t c on t am i n at i on 2 low temperat u r e s t o r a g e - 30 o c + 2 o c, 96hrs pass 3 h i g h t e mp er a ture operating 60 o c, 96hrs p a ss 4 l o w t emp er a t u r e op e r a t i n g - 10 o c, 96hrs p a ss 5 h i gh t e mp er a t u r e/ h u mi d i t y s t or ag e 60 o c , 90% rh, 96hr s p a ss 6 h i gh t e mp er a ture/humidity operating 40 o c, 90% rh, 96hr s pass 7 t h er ma l s h o c k - 20 o c ? 25 o c ? 70 o c ? 25 o c 30m i n ? 30 m i n ? 30min ? 30min 10 cycles pass 8 vibra t i o n t e s t ( p ac kag e d ) 10h z ~ 55h z ( 1 mi n ) am p lit u d e : 1. 5 m m e a ch d ire ct io n ( x, y , z ) f o r 2h r s p a ss 9 d r o p t e s t ( p ac kag e d ) p a ck in g w e igh t ( k g) dr o p h e igh t ( cm ) dr o p di re ct io n 1 co rn e r 3 ed g es 6 s id e s e a ch t im e 0 ~ 45. 4 122 45.4 ~ 90.8 76 90. 8 ~ 45 4 61 over 4 5 4 46 10 e l e ct r o s t a t ic t e s t ai r di s ch a r g e ap p ly 2k v w it h 5 t im e s d is ch a rge f o r e a ch p o la rit y + / - c o n t a ct di s ch a rg e ap p ly 250v w it h 5 t ime s d is c h a rg e fo r e a ch p o la rit y + / - p a ss 1 - t emp er a t u re ambiance: 15 o c ~ 35 o c 2 - re l a t i v e h u m i d i t y : 30% ~ 60% 3 - e n e rgy s t o ra ge ca p a ci t a n c e : c s +c d : 150p f + 10% 4 - di s ch a rge resistance (rd): 330 + 1 0% 5 - d i s c h ar g e , m od e o f op e rat i on : si n gl e d is ch a rge ( t i m e b e t w e e n s u cce s s i v e di s c ha rg e s a t l e a s t 1 s ) ( t o l e ra nc e i f t he o ut put v o lt a ge i n d ica t io n : + 5% .
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 12 of 16 6. p r ec au t i o n s f o r u s in g lcd m o d u l es 6 . 1 h a n di n g p r e c a u ti on s ? t he dis play pan e l is m ade o f g las s and po lar iz e r . t h e g las s is f r ag ile . it t e nds t o be c o m e o r c hippe d d u r i n g h a n d l i n g e sp e c i a l l y o n t h e e d ge s. p l e a se a v o i d d r o p p i n g o r j a r r i n g. d o n o t su b je c t i t t o a m e c hanic al s ho c k by dr o ppi ng it o r im pac t . ? i f t h e d i s p l a y p a n e l i s d a m a g e d a n d t h e l i q u i d cr y s t a l s u b s t a n ce l e a k s o u t , b e s u r e n o t t o g e t a n y i n y o u r m o u th . i f th e su b st a n c e c o n t a c t s y o u r sk i n o r c l o th e s, w a sh i t o f f u si n g so a p a n d w a t e r . ? d o n o t a p p l y e x c e ssi v e f o r c e to th e d i sp l a y su r f a c e o r th e a d jo i n i n g a r e as s inc e t his m ay c aus e t he c o lo r t o ne t o v ar y . d o no t t o uc h t he dis play w it h bar e hands . t his w ill s t ain t he dis play ar e a and de g r ad e d i n su l a t i o n b e t w e e n t e r m i n a l s ( so m e c o sm e ti c s a r e d e t e r m i n e d t o th e p o l a r i z e r ) . ? t he po lar iz e r c o v e r ing t he dis play s ur f ac e o f t he l c d m o dule is s o f t and e as ily s c r at c he d. h andl e t his p o l a r i z e r ca r e f u l l y . d o n o t t o u ch , p u s h o r r u b t h e e x p o s e d p o l a r i z e r w i t h a n y t h i n g h a r d e r t h a n a n h b pe nc il le ad ( g las s , t w e e z e r s , e t c .) . d o no t put o r at t ac h any t hing o n t he dis play ar e a t o a v o id le av ing m a r ks o n . c o n d e n sa t i o n o n t h e su r f a c e a n d c o n ta c t w i th te r m i n a l s d u e to c o l d w i l l d a m a ge , sta i n o r d i r t y t h e p o l a r i z e r . a f t e r p r o d u ct s a r e t e s t e d a t l o w t e m p e r a t u r e t h e y m u s t b e w a r m e d u p i n a co n t a i n e r b e f o r e c o m i n g i s c o n t a c t i n g w i th r o o m t e m p e r at ur e air . ? i f t h e d i s p l a y s u r f a ce b e co m e s co n t a m i n a t e d , b r e a t h e o n t h e s u r f a c e a n d g e n t l y w i p e i t w i t h a s o f t d r y c l o t h . i f i t i s h e a v i l y c o n t a m i n a t e d , m o i st e n c l o th w i t h o n e o f t h e f o l l o w i n g so l v e n t s o is o pr o py l alc o ho l o e t hy l alc o ho l d o n o t sc r u b h a r d to a v o i d d a m a gi n g t h e d i sp l a y su r f a c e . ? so l v e n ts o t h e r th a n th o se a b o v e - m e nt io ne d m ay dam ag e t he po lar iz e r . e s p e c ially , do no t us e t he f o llo w ing . o w a te r o k e to n e o ar o m a ti c so l v e n ts w ipe o f f s aliv a o r w at e r dr o ps im m e diat e ly , c o nt ac t w it h w a te r o v e r a l o n g p e r i o d o f t i m e m a y c a u se de f o r m at io n o r c o lo r f ading . a v o id c o nt ac t ing o il and f at s . ? e x e r c i se c a r e to m i n i m i z e c o r r o si o n o f t h e e l e c tr o d e . c o r r o si o n o f t h e e l e c t r o d e s i s a c c e l e r a t e d b y w a t e r d r o p l e t s, m o i stu r e c o n d e n sa ti o n o r a c u r r e n t f lo w in a hi g h - h u m i d i t y e n v i r o n m e n t . ? i n s t a l l t h e l c d mo d u l e b y u s i n g t h e m o u n t i n g h o l e s . w h e n m o u n t i n g t h e l c d m o d u l e m a ke s u r e i t i s f r e e o f t w is t ing , w ar ping an d dis t o r t io n. in par t ic ular , do no t f o r c ibly pull o r be nd t he i ? o ca b l e o r t h e bac klig ht c able . ? d o n o t a tt e m p t to d i sa sse m b l e o r p r o c e ss th e l c d m o d u l e . ? n c t e r m i n a l s h o u l d b e o p e n . d o n o t co n n e ct a n y t h i n g . ? if t he lo g ic c ir c uit po w e r is o f f , do no t apply t he input s ig nals . ? e le c t r o - sta t i c d i sc h a r ge c o n t r o l . s i n ce t h i s m o d u l e u s e s a c mos l s i , t h e s am e c ar e f ul at t e nt io n s h o uld b e p a i d to e l e c t r o st a t i c d i sc h a r ge a s f o r a n o r d i n a r y c m o s i c . t o p r e v e n t d e st r u c ti o n o f t h e e l e m e n ts b y s t at ic e le c t r ic it y , be c a r e f ul t o m aint ain an o pt im um w o r k e nv i r o nm e nt . o b e f o r e r e m o v e l c m f r o m it s pac king c as e o r inc o r p o r a t i n g i t i n t o a se t, b e su r e t h e m o d u l e a n d y o u r b o d y h a v e t h e s a m e e l e ct r i c p o t e n t i a l . b e s u r e t o g r o u n d t h e b o d y w h e n h a n d l i n g t h e l c d m o d u l e s . o t o r e d u c e t h e a m o u n t o f s ta ti c e l e c t r i c i ty ge n e r a te d , d o n o t c o n d u c t a sse m b l i n g a n d o t h e r w o r k unde r dr y c o ndit io ns . t o r e duc e t he g e ne r at io n o f s t at ic e le c t r ic it y be c ar e f ul t hat t he air i n th e w o r k i s n o t to o d r i e d . a r e l a ti v e h u m i d i t y o f 50 %- 6 0 % i s r e c o m m e n d e d . a s f a r a s p o ssi b l e m a ke t h e e l e c tr i c p o te n ti a l o f y o u r w o r k c l o t h e s a n d t h a t o f th e w o r k b e n c h th e gr o u n d p o t e n ti a l o t he l c d m o dul e is c o at e d w it h a f ilm t o pr o t e c t t he dis p lay s ur f ac e . e x e r c is e c ar e w h e n pe e ling o f f t his pr o t e c t iv e f ilm s inc e s t at ic e le c t r ic it y m ay b e g e n e r at e d. ? s i n ce l c m h a s b e e n a s s e m b l e d a n d a d ju s t e d w i t h a h i g h d e g r e e o f p r e ci s i o n , a v o i d a p p l y i n g e x c e ssi v e sh o c k s t o t h e m o d u l e o r m a ki n g a n y a l t e r a ti o n s o r m o d i f i c a ti o n s t o i t .
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 13 of 16 o d o n o t a l te r , m o d i f y o r c h a n ge t h e sh a p e o f th e t a b o n t h e m e ta l f r a m e . o d o n o t m a k e e x tr a h o l e s o n th e p r i n t e d c i r c u i t b o a r d , m o d i f y i ts sh a p e o r c h a n ge th e p o si ti o n s o f c o m p o n e n t s to b e a t ta c h e d . o d o n o t d a m a ge o r m o d i f y t h e p a t te r n w r i t i n g o n t h e p r i n t e d c i r c u i t b o a r d . o ab so l u t e l y d o n o t m o d i f y t h e z e b r a r u b b e r st r i p ( c o n d u c ti v e r u b b e r ) o r h e a t se a l c o n n e c t o r . o d o n o t d r o p , b e n d o r tw i st l c m . 6 . 2 st or a g e p r e c a u ti o n s ? w h e n st o r i n g t h e l c d m o d u l e s, t h e f o l l o w i n g p r e c a u ti o n i s n e c e ssa r y . ? s t o r e t h em i n a s ea l ed p o l y e t h yl en e b a g . i f p r o p er l y s ea l ed , t h e r e i s n o n eed fo r t h e d es i c c ant . ? sto r e t h e m i n a d a r k p l a c e . d o n o t e x p o se to su n l i g h t o r f l u o r e sc e n t l i gh t , k e e p th e t e m p e r a t u r e b e t w e e n 0 a n d 3 5 ( , a n d ke e p t h e r e l a t i v e h u m i d i t y b e t w e e n 4 0 % r h a n d 6 0 % r h . ? t h e p o l a r i z e r su r f a c e sh o u l d n o t c o m e i n c o n ta c t w i t h a n y o t h e r o b je c ts. ( w e a d v i s e y o u t o sto r e th e m i n t h e a n t i - s t at ic e le c t r ic it y c o nt aine r in w hic h t he y w e r e s hippe d. o t he r s l iquid c r y s t als s o lidif y unde r l o w te m p e r a t u r e ( b e l o w t h e sto r a ge t e m p e r a tu r e r a n ge ) l e a d i n g to d e f e c t i v e o r i e n t a t i o n o r t h e g e n e r a t i o n o f a i r b u b b l e s ( b l a ck o r w h i t e ) . a i r b u b b l e s m a y a l s o b e g e n e r a t e d i f t h e m o d u l e i s s u b je ct t o a lo w t e m pe r at ur e . ? i f t h e l c d m o d u l e s h a v e b e e n o p e r a t i n g f o r a l o n g t i m e sh o w i n g t h e sa m e d i sp l a y p a t t e r n s, t h e d i sp l a y p a t te r n s m a y r e m a i n o n t h e sc r e e n a s gh o st i m a ge s a n d a s lig ht c o nt r as t ir r e g ular it y m ay als o appe a r . a n o r m a l o p e r a ti n g st a tu s c a n b e r e ga i n e d b y su sp e n d i n g u se f o r so m e ti m e . i t sh o u l d b e n o te d th a t th i s p h en o m en o n d o es n o t a d ve r s el y a ffec t p er fo r m a n c e r el i a b i l i t y. ? t o m i n i m i z e t h e p e r f o r m a n ce d e g r a d a t i o n o f t h e l c d m o d u l e s r e su l ti n g f r o m d e str u c ti o n c a u se d b y s t at ic e le c t r ic it y e t c ., e x e r c is e c ar e t o av o id ho lding t he f o llo w ing s e c t io ns w he n han dling t he m o dule s o e x po s e d ar e a o f t h e pr int e d c ir c uit bo ar d o t e r m inal e le c t r o de s e c t io ns
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 14 of 16 7. u s in g lcd m o d u l es 7 . 1 i n s t a l l i n g l c d mo d u les t he ho le i n t he pr int e d c irc ui t bo a rd i s us e d t o f ix l c m a s s ho w n i n t he pi c t ur e b e lo w . a t t e nd t o t he f o llo w ing i t e m s w h e n i n s t a llin g t h e l c m. 1. c o v e r t h e s u rfa c e wi t h a t ra n s p a ren t p ro t ec t iv e p la t e t o p ro t ec t t h e p o la riz er a n d l c ce ll. 2. w he n a s s e m bl ing t he l c m i nt o o t he r e qui pm e nt , t he s pa c e r t o t he bi t be t w e e n t h e l c m a nd t he f it t ing pl a t e s ho ul d ha v e e no ug h he i g ht t o a v o id c a us ing s t r e s s t o t he m o dul e s ur f a c e , r e f e r t o t he i ndi v idua l s p ec i fi c a t io n s fo r m ea s u r em e n t s . t h e mea s u re men t t o l er a n c e s h o u ld b e 0 . 1 mm. p re c a u t io n fo r a s s e mb le t he m o dul e w it h b t b c o nne c t o r: p lea s e n o t e t h e p o s it io n o f t h e ma le a n d fema l e c o n n ec t o r p o s it io n , d o n t a s s emb l e o r a s s e mb le l ik e t h e m e t h o d w h ich t h e f o llo w in g p ict u re s h o w s . 7 . 2 p re c au t i o n s f o r o p e rat i o n 1. vi e w in g a n gl e v a rie s w it h t h e ch a n ge o f l iq u id cr y s t a l d riv i n g v o lt a ge ( vl c d ) . ad j u s t vl c d t o s h o w t h e b e s t c o n t ra s t . 2. i t i s a n i n d is p e n s a b le co n d it io n t o d riv e l c d' s w it h in t h e s p e ci f i e d v o lt a g e l im it s in c e t h e h igh e r v o lt a ge t h e n t h e l im it ca u s e t h e s h o rt e r l c d l if e . an e l e ct ro ch e m ic a l r e a ct io n d u e t o d ire ct c u rre n t ca u s e s l c d ' s unde s ira bl e de t e r io ra t io n, s o t ha t t he us e o f di re c t c ur re nt dr iv e s ho ul d be a v o ide d. 3. r es p o n s e t im e wi ll b e ex t r em el y d el a y ed a t l o wer t emp er a t u re t h a n t h e o p er a t in g t emp er a t u re r a n g e a n d o n t he o t he r ha nd a t hi g he r t e m pe ra t ur e l c d ' s s ho w da rk c o lo r i n t he m . h o w e v e r t ho s e phe no m e na do no t mea n ma l fu n c t io n o r o u t o f o rd er wi t h l c d 's , wh i c h wi ll c o me b a c k i n t h e s p ec ifi ed o p er a t in g t emp er a t u re.
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 15 of 16 4. i f t he di s pl a y a r e a i s pus he d h a r d dur i ng o pe r a t i o n, t he di s pl a y w i l l be c o m e a bno r m a l . h o w e v e r , i t w i l l r e t ur n t o no r m a l i f i t i s t ur ne d o f f a n d t he n ba c k o n . 5. sl i gh t d e w d e p o s i t i n g o n t e r m i n a l s i s a ca u s e f o r e l e ct r o - c h e m i ca l r e a ct i o n r e s u l t i n g i n t e r m i n a l o p e n ci r cu i t . us a g e u n d er t h e ma x i mu m o p er a t i n g t emp er a t u r e, 5 0 % r h o r l es s i s r eq u i r ed . 6. i n p u t e a ch s ign a l a f t e r t h e p o s it iv e /n e ga t iv e v o lt a g e b e co m e s s t a b l e. 7. p le a s e k e e p t he t e m p e ra t ur e w it hi n s pe c if i e d r a ng e f o r u s e a nd s t o ra g e . p o la riz a t io n de g ra da t io n, bubbl e g e n e rat ion or p ol ar ize r p e e l - o f f m a y o c c ur w it h hi g h t e m pe r a t ur e a nd hi g h hum idi t y. 7 . 3 sa f e ty ? i t i s r e c o m m e nd e d t o c rush d a m a g e d o r unne c e s s a ry l c d s int o pi e c e s a nd w a s h t he m o f f w it h s o l v e nt s s uc h a s a c e t o ne a nd e t ha no l, w hi c h s ho ul d l a t e r be bur ne d. ? i f a ny l iqui d l e a k s o ut o f a da m a g e d g la s s c e ll a nd c o m e s i n c o nt a c t w it h t he ha nds , w a s h o f f t ho ro ug hl y w it h s oap an d w at e r. l im it e d w ar r an t y . 7 . 4 r e tu r n l c m un de r w a r r a n ty no w a rra nt y c a n be g ra nt e d i f t he pr e c a ut io ns s t a t e d a bo v e ha v e be e n di s re g a rd e d. t he t ypi c a l e x a m pl e s o f v io la t io n s a re, ? b ro k e n l c d gl a s s . ? p c b ey el et i s d a ma g ed o r mo d ifi ed . ? p c b c o nduc t o rs da m a g e d. ? c ircu it m o d if ie d i n a n y w a y, i n c ludi ng a ddi t io n o f c o m po ne nt s . ? p c b t a m pe r e d w it h by g rindi ng , e ng ra v ing o r pa int ing v a rni s h. mo dul e r e pa irs w ill b e i nv o i c e d t o t he c us t o m e r upo n m u t ua l a g re e m e nt . m o dul e s m u s t be r e t ur ne d w it h s u f fi c i en t de s c ript io n o f t he f a ilur e s o r de f e c t s . a ny c o nne c t o rs o r c a bl e i ns t a ll e d by t he c ust o m e r m us t b e r e m o v e d c o m pl e t e ly w it ho ut da m a g ing t he p c b e y e le t , c o nduc t o rs a nd t e rm ina l s .
4dlcd - 3 2 w a datasheet ? 2012 4d systems www.4d systems .com .au page 16 of 16 p r o p r i e t a r y i n f or m a t i on t he i nf o r m a t i o n c o nt a i ne d i n t hi s do c um e nt i s t he pr o pe r t y o f 4 d s ys t e m s p t y. l t d. a nd m a y be t he s ubj e c t o f pa t e nt s pe ndi ng o r g r a nt e d, a nd m us t no t be c o pi e d o r di s c l o s e d w i t ho ut pr i o r w r i t t e n pe r m i s s i o n. 4 d s ys t e m s e nde a v o r s t o e n s ur e t ha t t he i nf o r m a t i o n i n t hi s do c um e nt i s c o r r e c t a nd f a i r l y s t a t e d but do e s no t a c c e pt l i a bi l i t y f o r a ny e r r o r o r o m i s s i o n. t he de v e l o pm e nt o f 4 d s ys t e m s pr o duc t s a nd s e r v i c e s i s c o nt i nuo us a nd publ i s he d i nf o r m a t i o n m a y no t be u p t o da t e . i t i s i m po r t a nt t o c he c k t he c ur r e nt po s i t i o n w i t h 4 d s ys t e m s . 4 d s y st e m s r e s e r v e s t h e r igh t t o m o d if y , u p d a t e o r m a k e ch a n ge s t o sp e ci f ica t io n s o r w rit t e n m a t e ria l w it h o u t p rio r n o t ice a t a n y t im e . a l l t r a d ema r k s b el o n g t o t h ei r r es p ec t i v e o wn er s a n d a re r e c o g n iz ed a n d a c k n o wl ed g ed . d i sc l ai m e r o f w ar r antie s & l i m i t at i o n o f l i a b i l i ty 4 d s ys t e m s m a k e s no w a r ra nt y, e it he r e x pr e s s o r im pl i e d w it h r e s p e c t t o a ny pr o duc t , a nd s pe c if ic a l ly di s c la i m s a l l o t h e r w a rra n t ie s , i n cl u d in g, w it h o u t l im it a t io n , w a rra n t ie s f o r m e rch a n t a b ilit y , n o n - inf ring e m e nt a nd f it ne s s f o r a ny pa rt ic ul a r pur po s e . i nf o rm a t io n c o nt a ine d i n t hi s publ i c a t i o n r e g a r di ng de v i c e a ppl i c a t i o ns a nd t he l i k e i s pr o v ide d o nl y f o r yo ur c o nv e ni e nc e a nd m a y be s upe rs e de d by upda t e s . i t i s yo u r r e s po ns ibi lit y t o e ns ur e t ha t yo ur a p pl ic a t io n m e e t s w it h y o u r s p e ci f ica t io n s . i n no e v e nt s ha ll 4 d s yst e m s b e l ia bl e t o t h e buye r o r t o a ny t hi rd pa rt y f o r a ny i ndi re c t , i nc ide nt a l, s pe c i a l , co n s e q u e n t ia l, p u n it iv e o r e x e m p la ry d a m a g e s ( in cl u d in g w it h o u t l im it a t io n l o s t p ro f it s , l o s t s a v in gs , o r l o s s o f bus ine s s o ppo rt uni t y) a ris ing o ut o f o r r e la t ing t o a ny pr o duc t o r s e r v ic e pr o v ide d o r t o be pr o v ide d by 4 d s ys t e m s , o r t he us e o r i na bi lit y t o us e t he s a m e , e v e n i f 4 d s y s t e m s ha s be e n a dv is e d o f t he po s s ibi lit y o f s uc h da m a g e s . 4 d s y s t e m s pr o duc t s a re no t f a ul t t o le ra nt no r de s ig ne d, m a nuf a c t ur e d o r i nt e nde d f o r u s e o r r e s a le a s o n l ine c o nt ro l e qui pm e nt i n ha z a rdo us e nv ir o nm e nt s r e qui ring f a il C s a fe p er fo rma n c e, s u c h a s i n t h e o p er a t io n o f n u c lea r fa c ilit i es , a ircr a f t n a v iga t io n o r co m m u n ica t io n s y s t e m s , a ir t ra f f i c c o n t ro l, d ire ct l i f e s uppo rt m a c hi ne s o r w e a po ns s ys t e m s i n w hi c h t he f a ilur e o f t he pr o duc t c o ul d l e a d di r e c t ly t o d e a t h, pe rs o na l inj ur y o r s e v e re phys ic a l o r e nv iro n m e nt a l d a m a ge ( h igh ri s k a ct iv it i e s ) . 4d sy s t e m s a n d i t s s u p p lie r s s p e ci f ica lly d i s cl a i m a n y e x p re s s e d or i m p li e d w ar ran t y of f it n e s s f o r h igh ri s k act i v it ie s . u s e o f 4 d s y s t e m s pr o duc t s a nd de v ic e s i n ' h ig h r i s k a c t iv it ie s ' a nd i n a ny o t he r a ppl ic a t io n i s e nt ire ly a t t he buye r s ris k , a nd t he buye r a g re e s t o de f e nd, i nde m ni f y a nd ho ld ha rm le s s 4 d s y s t e m s f rom an y an d al l d am ag e s , c lai m s , su it s , o r e x pe ns e s r e s ul t ing f ro m s uc h us e . no l ic e ns e s a re c o nv e ye d, i m pl ic it ly o r o t he rw is e , unde r a ny 4 d s yst e m s in t e lle ct u a l p ro p e rt y r igh t s . c ontact i nformation for technical support: support@4dsystems.com.au for sales support: sales@4dsystems.com.au website: www.4dsystems.com.au copyright 4d systems pty. ltd. 2000 - 201 2 .

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