Note 3. : Definition of Vth
Selected waveform
100%
Transmittance
73%
No selected waveform
50%
Vth1
Vth2
Drive voltage
Active voltage range
Vth1
10
°
(Selected waveform)
50%
Vth2
40
°
(No selected waveform)
73%
View direction
Drive waveform
Transmittance
※1
Contrast ratio
= (Brightness in OFF state) / (Brightness in ON state)
Outline of Electro-Optical Characteristics Measuring System
θ
Photo Detector
Human Eye
Active Illumination
Temperature
Control Chamber
正讀
LCD Panel
Transmissive
Measuring System: Autronic DMS-803
ψ
PH320240T-004-IC1Q Ver.0
Page12
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