lightkey spec no: ds10121812 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 1/3 http://www .displa y -leds.com tel: 0086- 574 - 8632 228 2 da te: jul/20/201 1 dat a shee t of 1.20 inch 8x8 dual color square dot matrix led displa y lm1288a/b rg series ? 1.20 inch 5 x7 dual color square dot matrix led displa y at t e n t i o n ob ser ve pr ec a u t i o n s fo r h a ndl i n g e l e c tro s t a ti c di s c h a rg e sen s i t i v e d evi c e s f e a t u r e s ? 31.70mm (1.2 0 inch) m a t r i x h e i g h t ? d o t s i z e : 3 x 3 m m ? pitc h: 4mm ? w i d e v i e w i n g a n g l e ? emitted colors: red and gr ee n ? i . c . c o m p a t i b l e ? l o w p o w e r c o n s u m p t i o n ? w h i t e d o t , g r e y o r b l a c k f a c e available options ? alternativ e emi tting lumi nosit y: standar d or hi gh bri ghtn e ss versio n ? alternativ e emi tted color ? alternativ e dot color ? alternativ e face color ? both ca or cc versions ar e a v aila bl e ? crop ped termi nal p i ns ? rohs com p li a n t package di mensions $ 0 - 3 0 8 1 * / notes: 1. all dim ens ion s are in millimet ers (inches), t o lerance is + 0.25mm (0.01inch) u n less other w i se noted. 2. specific ation s are subj ect to change w i thout notice. 3. t he ga p between the reflector and pcb s hall not ex ceed 0.2 5 mm.
lightkey spec no: ds10121812 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 2/3 http://www .displa y -leds.com tel: 0086- 574 - 8632 228 2 da te: jul/20/201 1 dat a shee t of 1.20 inch 8x8 dual color square dot matrix led displa y internal circuit diagram lm122 88 a (common ca thode ro w ) l m 1228 8b (common ano d e ro w ) 0 3 " / ( & ( 3 & & / 3 0 8 / 0 1 * / / 0 1 * / $ 0 - 3 0 8 $ 0 - / 0 1 * / / 0 1 * / 0 3 " / ( & ( 3 & & / selection guide 1.20 inch 8x8 red-green led dot matrix module, matrix height: 31.70mm( 1.20 inch), external dimensions: 31.70 x3 1.70 x8 .00mm (l xw x h ) part no. chip i v (mcd)@20ma one dot des c ription common ca thode ro w common a n ode ro w m a t e r i a l c o l o r w ld (nm) m i n . t y p . gaalas super r e d 640 8 10 standard brightn e ss lm12 288 a r g l m 1 2 288 b r g g a p g r e e n 5 6 8 7 9 a l g a i n p u l t r a re d 6 4 0 3 0 4 5 ultra-hig h brightn e ss lm12 288 aur u g l m 1 2 288 bur u g a l g a i n p u l t r a green 5 7 3 3 0 4 5
lightkey spec no: ds10121812 rev: a.4 checked: emil y zhou approved: m.h. lin page: 3/3 http://www.display-leds.com tel: 0086-574-86322282 date: jul/20/2011 datasheet of 1.20 inch 8x8 dual color square dot matrix led display electrical characteristics & absolute maximum ratings electrical optical characteristics [1] absolute maximum ratings [3] v f (v) @ if=20ma [2] color typ. max. reverse current vr=5v (ua) power dissipation (mw) dc forward current (ma) peak forward current [2] (ma) reverse voltage (v) super red 1.8 2.2 30 60 25 100 5 green 2.2 2.5 30 80 30 100 5 ultra red 1.9 2.6 30 60 30 100 5 ultra green 2.1 2.6 30 75 30 100 5 operating/ storage temp.: -40 to +80 deg.; lead solder temp.: 260 deg. for 3-5 sec. 2mm below package base notes: 1. at ta = 25 c. 2. forward voltage at forward current = 20ma. 3. peak forward current at 1/10 duty cycle, 0.1ms pulse.
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