JEWEL HILL ELECTRONIC CO.,LTD.
․Note 3. Definition of Viewing Angle θ and ψ :
Normal :
θ=0°
12 O’clock Direction
φ=180°
θ
φ=90°
3 O’clock Direction
φ=270°
9 O’clock Direction
φ
φ=0°
Viewing Direction
6 O’clock Direction
․Note 4. Definition of Contrast ratio( CR) :
Brightness of Non-selected Segment (B2)
CR =
Brightness of Selected Segment (B1)
Brightness Curve for
Selected Segment
Brightness Curve for
Non-selected Segment
Contrast
B2
100%
CR,max
B1
0%
Driving Voltage
V,max
GB12232A
VER: 4.0
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Issue date: 2006/08/01