3.3.Definition of Viewing Angle and Optimum Viewing Area
•Point q shows the point where contrast ratio is measured. : θ= 0˚, φ= –˚
•Driving condition : 1/16 Duty, 1/4.5 Bias, VD=4.8V, fF=84.4Hz
90˚
135˚
45˚
180˚
225˚
•Area
φ
10 20 30 40 50
θ
(φ= 0˚)
180˚
315˚
270˚
shows typ. CR≥2
θ
270˚
90˚
φ
0˚
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
DMC16204N-LR-B (AI) No.99-0035
OPTREX OPTREX CORPORATION
Page 7/16