3.3.Definition of Viewing Angle and Optimum Viewing Area
・Point ● shows the point where contrast ratio is measured. : θ= 20 ゚, φ=270 ゚
f
・Driving condition : 1/11 Duty, 1/4 Bias, VD=3.7V, F=60Hz
90 ゚
45 ゚
135 ゚
θ
90 ゚
φ
10 20 30 40 50
θ
(φ= 0 ゚)
180 ゚
φ
180 ゚
0 ゚
225 ゚
・Area
315 ゚
270 ゚
270 ゚
shows typ. CR≧2
3.4.System Block Diagram
Temperature Chamber
θ φ
, )
Rotation Table (
Photometer
#1980A WB
LCD
φ
Optical Fiber
θ
Control Unit &
Computer
Waveform Generator
Halogen bulb
DMC32132 (AA) No.99-0183
OPTREX CORPORATION
Page 6/15
OPTREX