3.3. Definition of Viewing Angle and Optimum Viewing Area
*Point • shows the point where contrast ratio is measured. : θ= 0°, φ= -°
*Driving condition : 1/65 Duty, 1/7 Bias, VOD=8.9V, fF=80Hz
90°
135°
45°
180°
225°
φ
10 20 30 40 50 (φ = 0°)
θ
180°
270°
315°
θ
270°
90°
φ
0°
*Area
shows typ. CR≥2 (Mesuring Spot=3.0mm)
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
F-51320GNF-S-AD (AD) No. 2002-0148
OPTREX CORPORATION
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