JHB12864A-TP Datasheet, PDF (16/23 Pages) Jewel Hill Electronic – SPECIFICATIONS FOR LCD MODULE

JEWEL HILL ELECTRONIC CO.,LTD.
․Note 3. Definition of Viewing Angle θ and ψ :
Normal :
θ=0° _{12 O’clock Direction}
θ φ=180°
φ=270°
9 O’clock Direction
φ
φ=0°
φ=90°
3 O’clock Direction
Viewing Direction
6 O’clock Direction
․Note 4. Definition of Contrast ratio( CR) :
CR = ^{Brightness of Non-selected Segment (B2)}
Brightness of Selected Segment (B1)
100%
Brightness Curve for
Selected Segment
Brightness Curve for
Non-selected Segment
B2
Contrast
CR,max
0%
B1
V,max
JHB12864A-TP VER: 5.01
- 15 -
Driving Voltage
Issue date: 2013/08/01