( Fig.5 - 3 )
? Method of Viewing Angle Measurement
( 1 ) Measuring Device
TOPCON BM-7?Measuring Field:1°
( 2 ) Measuring Point
Center of display : Same as Method of Brightness Measurement
( 3 ) Angle of Measuring
? : An angle vertical to perpendicular line from the viewing direction.
F : An angle horizontal to perpendicular from the viewing direction.
Temperature
TOPCON BM-7
Rotation Table (θ,φ)
f
LCD
?
Computer
Control Unit &
Waveform Generator
( 4 ) Method of Measuring
Set rotation table tof = 0 °and set BM-7 to contrast 10 to measure angle±? for left and right
direction of horizontal viewing anglef . Also set rotation table tof = 9 0 ° and set BM-7 to
contrast 10 to measure angle±? for up and down direction of vertical viewing angle ? .
T-51440GL070HU-FW-AC
OPTREX CORPORATION
OPTREX
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