3.3.Definition of Viewing Angle and Optimum Viewing Area
・Point ● shows the point where contrast ratio is measured. : θ= 0 ゚, φ=-゚
・Driving condition : 1/128 Duty, 1/12.3 Bias, VD=19.9V, fF=70Hz
90゚
135゚
45゚
180゚
φ
θ
10 20 30 40 50 (φ= 0゚)
θ
180゚
225゚
・Area
270゚
shows typ. CR≧2
315゚
270゚
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
DMF5001NF (AA) No.98-0048
OPTREX CORPORATION
OPTREX
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