led back light (4 inch) ligitek electronics co.,ltd. property of ligitek only data sheet L-00501DBK-S doc. no : qw0905- rev. : c date : - 2006 L-00501DBK-S 08 - aug.
applications blue features chip emitting color mobile phone pda lcd backlight instrumental panel dimensions:97.44x60x3.6(mm) view area:97.44x40(mm) edge backlight 1/4 page ligitek electronics co.,ltd. property of ligitek only part no. package dimensions L-00501DBK-S note : 1.all dimension are in millimeters and (lnch) tolerance is 0.25(0.01") unless otherwise noted. 2.specifications are subject to change without notice. 86 97.44 70.4 60 4.5 50 40 8.0 1.6 5.0 2.0 5.0 pin no.1 2.4 1.6
test point 1.measurement equipment : " topcon"bm-7 2.the distance of measurement between test equipment and the objection : 50cm p3 p2 p1 l/6 2l/6 2l/6 l/6 view area (l) view area (w) w/2 w/2 measurement method p(max) p(max)-p(min) 100% 3.eh %=[ 1 - ] x 2/4 part no. internal circuit diagram ligitek electronics co.,ltd. property of ligitek only page L-00501DBK-S 5 2 1 4 3 6
spectral line half width dominant wavelength if=50ma vr=5v if=50ma if=50ma if=50ma if=50ma unit v nm nm cd/ O emitting color : blue % a test conditon typ. 4.0 - - 3.5 30 470 12 - min. - - - 7.0 - - 70 - -10 symbol vf ir eh d iv luminous uniformity reverse current forward voltage luminance (brightness) parametermax. electrical/optical characteristics(ta=25) 3/4 page 100 0.4 w ma unit symbol i f p d parameter ligitek electronics co.,ltd. property of ligitek only ratings absolute maximum ratings at ta=25 forward current power dissipation part no. t opr tstg -20 ~ +70 -30 ~ +80 note : 1.the forward voltage data did not including 0.1v testing tolerance. 2. the luminance (brightness) data did not including 15% testing tolerance. storage temperature operating temperature v 5 v r reverse voltage L-00501DBK-S
fig.3 relative intensity vs. wavelength for each chip typical electro-optical characteristics curve ligitek electronics co.,ltd. property of ligitek only 1.03.04.0 0 1 1.0 r e l a t i v e i n t e n s i t y @ 2 0 m a wavelength (nm) 450 0.0 400500550 0.5 r e l a t i v e i n t e n s i t y n o r m a l i z e @ 2 0 m a f o r w a r d c u r r e n t ( m a ) forward current(ma) forward voltage(v) 2.05.0 110 0.0 0.5 1.0 1.5 2.0 1001000 fig.2 relative intensity vs. forward current for each chip fig.1 forward current vs. forward voltage for each chip 2.5 3.0 1 10 100 1000 dbk chip page4/4 part no. L-00501DBK-S
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