JHB12232E Datasheet, PDF (16/23 Pages) Jewel Hill Electronic – The JHB12232E is a 122 x 32 Dots Graphics LCD module. It has a STN panel composed of 122 segments and 32 commons. The LCM can be easily accessed by micro-controller via parallel interface.

JEWEL HILL ELECTRONIC CO.,LTD.
․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
Driving Voltage
JHB12232E VER: 2.0
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Issue date: 2009/12/03