White Electronic Designs
Display Systems Division
ENH057Q1-350/450/600
OPTICAL CHARACTERISTICS
tA=25°C, VCC=+3.3V
Parameter
Viewing
Angle
Range
Horizontal
Vertical
Contrast Ratio
Response
Time
Rise
Decay
Luminance of White
Chromaticity of White
Lamp
Endurance
+25°C
Symbol
θ21, θ22
θ11
θ12
CRmax
τr
τd
Y
x
y
-
Condition
(CR>5)
Best Viewing Angle
θ = 0°
IL=5.0mArms
Continuation
Operation
Notes:
1. The inverter was used to evaluate the backlight unit.
2. The measurements were done 30 mins later after switching on the backlight.
Min
60
60
35
60
-
-
260
0.263
0.279
40,000
Typ
65
65
40
-
30
50
350
0.313
0.329
-
Max
-
-
-
-
60
100
-
0.363
0.379
-
Photodetector
(BM-5A: TOPCON)
Parameter
Luminance of White
IM
IM, RP
IM, RPp
Unit
Deg.
Deg.
Deg.
-
ms
ms
cd/m2
-
-
hour
Remarks
(1)
(2)
(3)
(4)
(5)
Min.
Typ. Max.
260
350
-
325
450
-
450
600
-
Field=2°
TFT-LCD Module
400mm
LCD Panel
Center of the screen
Optical Characteristics Measurement Method
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Original specifications created by Sharp.
September 2003
Rev. 0
10
Display Systems Division • Hillsboro, OR • (503) 690-2460 • www.wedc.com