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GB12864B Datasheet, PDF (16/23 Pages) Jewel Hill Electronic – SPECIFICATIONS FOR LCD MODULE
JEWEL HILL ELECTRONIC CO.,LTD.
․Note 3. Definition of Viewing Angle ǀ and Ǐ :
Normal :
ǀ=0Ę 12 O’clock Direction
ǀ Ǎ=180Ę
Ǎ=270Ę
9 O’clock Direction
Ǎ
Ǎ=0Ę
Ǎ=90Ę
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%
GB12864B VER: 3.0
B1
V,max
- 15 -
Driving Voltage
Issue date: 2006/08/01