3.3.Definition of Viewing Angle and Optimum Viewing Area
・Point ● shows the point where contrast ratio is measured. : θ= 0 ゚, φ=-゚
f
・Driving condition : 1/128 Duty, 1/12 Bias, VD=18.5V, F=70.0Hz
90 ゚
45 ゚
135 ゚
θ
90 ゚
φ
10 20 30 40 50
(φ= 0 ゚)
180 ゚
θ
φ
180 ゚
0 ゚
225 ゚
・Area
315 ゚
shows typ. CR≧2
3.4.System Block Diagram
Temperature Chamber
Rotation Table (
θ φ
,
)
Photometer
#1980A WB
LCD
φ
Optical Fiber
θ
Control Unit &
Computer
Waveform Generator
Halogen bulb
DMF-50773NB-FW (AG) No.99-0083
OPTREX CORPORATION
Page 8/17
OPTREX