3.3.Definition of Viewing Angle and Optimum Viewing Area
�½�Point ●
shows the point where contrast ratio is measured. :
θ=
0
゚, φ=-゚
�½�Driving
condition : 1/240 Duty, 1/15 Bias, V
D
=23.3V,
f
F
=70Hz
90
゚
135
゚
45
゚
φ
θ
90
゚
180
゚
10 20 30 40 50
(φ= 0
゚)
φ
180
゚
0
゚
θ
225
゚
270
゚
315
゚
270
゚
�½�Area
shows typ. CR≧2
3.4.System Block Diagram
Temperature Chamber
Rotation Table (
θ
,
φ
)
Photometer
#1980A WB
φ
LCD
Optical Fiber
θ
Computer
Control Unit &
Waveform Generator
Halogen bulb
DMF-50081ZNB-FW
(AQ) No.2000-0130
OPTREX
OPTREX CORPORATION
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