3.3.Definition of Viewing Angle and Optimum Viewing Area
・Point ● shows the point where contrast ratio is measured. : θ= 20 ゚, φ=90 ゚
・Driving condition : 1/16 Duty, 1/5 Bias, VD=4.5V, fF=80Hz
90 ゚
135 ゚
45 ゚
180 ゚
225 ゚
φ
θ
10 20 30 40 50
θ
(φ= 0 ゚)
180 ゚
270 ゚
315 ゚
270 ゚
・Area
shows typ. CR≧2
90 ゚
φ
0゚
3.4.System Block Diagram
Photometer
#1980A WB
Temperature Chamber
Rotation Table (θ,φ)
φ
LCD
Optical Fiber
θ
Computer
Control Unit &
Waveform Generator
Halogen bulb
DMC20434U (AP) No.2000-0137
OPTREX CORPORATION
OPTREX
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