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JHB2004C Datasheet(PDF) 21 Page - Jewel Hill Electronic

Part # JHB2004C
Description  The JHB2004C is a 20C x 4L Character LCD module. It has a STN panel composed of 200 segments and 16 commons. The LCM can be easily accessed by micro-controller via parallel and serise interface.
PDF  28 Pages
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Manufacturer  JHE [Jewel Hill Electronic]
Direct Link  http://www.jhlcd.com
Logo JHE - Jewel Hill Electronic

JHB2004C Datasheet(HTML) 21 Page - Jewel Hill Electronic

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JEWEL HILL ELECTRONIC CO.,LTD.
․Note 3. Definition of Viewing Angle θ and ψ :
Normal :
12 O’clock Direction
9 O’clock Direction
3 O’clock Direction
φ
θ
θ=0°
φ=0°
φ=180°
φ=90°
φ=270°
Viewing Direction
6 O’clock Direction
․Note 4. Definition of Contrast ratio( CR) :
Brightness of Non-selected Segment (B2)
Brightness of Selected Segment (B1)
CR
=
Brightness Curve for
V,max
CR,max
Contrast
Driving Voltage
100%
Brightness Curve for
Non-selected Segment
Selected Segment
B2
B1
0%
JHB2004C
VER: 4.0
- 20 -
Issue date: 2009/12/02



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