LEDYOUNG
LEDYOUNG TECHNOLOGY CORPORATION
LYSB-36-7438X series DATA SHEET
74.0*38.5mm viewing area light guide back light product.
1. Feature
1.
2.
3.
4.
Free design according to install to "LCD" module and assemble easily.
Mechanically and spectrally matched to the "LED" equipment.
Excellent mechanically strength and electronic stability
Reliable performance characteristic and guarded equipment.
2. Description:
The LYSB-36-7438x is a light guide with side PCB type as a LCD back light. The light viewing area
is LED light source with many color device 74.0*38.5mm.
The LYSB-36-7438G is yellow green color and driving voltage is 4.1V
The LYSB-36-7438UG is super bright yellow green color and driving voltage is 4.1V
The LYSB-36-7438UA is high bright soft orange color and driving voltage is 3.6V
The LYSB-36-7438SR is high bright red color and driving voltage is 3.6V
The LYSB-36-7438DR is high bright red color and driving voltage is 3.6V
3. Outer dimension / pin connection:
Note: All dimension are in millimeter (inch) and tolerance is +/-0.25 otherwise noted.
4.Circuit diagram/ Optical characteristic (Luminous Intensity and Luminous
REV. 0
Issue by:
Tiger Chang
PAGE:1
QC co-sign:
Lin C.H.
Apr.07, 1999
App’d by:
Russ Hsu
LEDYOUNG
LEDYOUNG TECHNOLOGY CORPORATION
LYSB-36-7438X series DATA SHEET
74.0*38.5mm viewing area light guide back light product.
Tolerance)
5. Measure Method( Measuring hole " diameter
ϕ5.0
)
6.
Rating
Part no.,
Item
Min
LYSB-36-7438G Luminous Intensity
Luminous Tolerance
LYSB-36-7438UG Luminous Intensity
Luminous Tolerance
LYSB-36-7438UA Luminous Intensity
Luminous Tolerance
LYSB-36-7438SR Luminous Intensity
Luminous Tolerance
LYSB-36-7438DR Luminous Intensity
Luminous Tolerance
Reference
Max - Min
Luminous tolerance = ---------------------- x 100%
Max
50
35
75
40
30
Rating
Typ
Max
40
20
50
20
90
20
45
20
70
20
30
30
30
30
30
Unit
cd/m
2
%
cd/m
2
%
cd/m
2
%
cd/m
2
%
cd/m
2
%
Reference
7.
Absolute maximum rating at temp=25
o
c (module)
parameter
Max Forward current
Max forward voltage
Power dissipation
Reverse voltage / per LED
Operation temperature
Storage temperature
Symbol
If
Vf
Pd
Vr
Topr
Tstg
PAGE:2
QC co-sign:
Lin C.H.
G
250
4.05
1000
UG
250
4.05
1000
UA
250
3.8
950
5
-25
o
C ~ 65
o
C
-30
o
C ~ 70
o
C
SR
250
3.8
950
DR
250
3.8
950
Unit
mA
V
mW
V
O
O
C
C
REV. 0
Issue by:
Tiger Chang
Apr.07, 1999
App’d by:
Russ Hsu
LEDYOUNG
LEDYOUNG TECHNOLOGY CORPORATION
LYSB-36-7438X series DATA SHEET
74.0*38.5mm viewing area light guide back light product.
8. Electrical / optical characteristics curves at temp=25
o
c ( Each LAMP )
LYSB-36-7438G/UG
Parameter
Symbol
Rating
Max
Typ
572
15
Min
Testing
condition
If=250 mA
If=250 mA
If =250 mA
Unit
n-meter
n-meter
V
uA
Peak emission wavelength
Spectral line half-width
Forward voltage
Reverse current
Vf
Ir
4.15
4.05
1.1 m A
Vr=20 V
LYSB-36-7438UA
Parameter
Symbol
Rating
Max
Typ
593
20
Min
Testing
condition
If=250 mA
If=250 mA
If =250 mA
Unit
n-meter
n-meter
V
uA
Peak emission wavelength
Spectral line half-width
Forward voltage
Reverse current
Vf
Ir
3.85
3.7
1.1 m A
Vr=250 V
LYSB-36-7438SR/DR
Parameter
Symbol
Rating
Max
Typ
660
20
Min
Testing
condition
If=250mA
If=250 mA
If =250 mA
Unit
n-meter
n-meter
V
uA
Peak emission wavelength
Spectral line half-width
Forward voltage
Reverse current
Vf
Ir
3.85
3.7
1.1 m A
Vr=20 V
REV. 0
Issue by:
Tiger Chang
PAGE:3
QC co-sign:
Lin C.H.
Apr.07, 1999
App’d by:
Russ Hsu
LEDYOUNG
LEDYOUNG TECHNOLOGY CORPORATION
LYSB-36-7438X series DATA SHEET
74.0*38.5mm viewing area light guide back light product.
REV. 0
Issue by:
Tiger Chang
PAGE:4
QC co-sign:
Lin C.H.
Apr.07, 1999
App’d by:
Russ Hsu
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