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 : 1/16 Duty, 1/4.5 Bias, V
D
=4.5V,
f
F
=84.4Hz
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
DMC20261NY-LY-AXE (CC) No.99-0208
OPTREX
OPTREX CORPORATION
Page 7/16