Invention Grant
- Patent Title: Touch signal transmission circuit for touch LCD
- Patent Title (中): 触摸LCD触摸信号传输电路
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Application No.: US12216634Application Date: 2008-07-09
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Publication No.: US08149207B2Publication Date: 2012-04-03
- Inventor: Hui-Lung Lai
- Applicant: Hui-Lung Lai
- Applicant Address: TW Southern Taiwan Science Park
- Assignee: Chi Hsin Electronics Corp.
- Current Assignee: Chi Hsin Electronics Corp.
- Current Assignee Address: TW Southern Taiwan Science Park
- Agency: Bacon & Thomas, PLLC
- Main IPC: G09G3/36
- IPC: G09G3/36

Abstract:
A touch signal transmission circuit for a touch control LCD is mounted to an inner side of an upper substrate of the LCD, having a first patterned electrode layer and a second patterned electrode layer, which are electrically insulated from each other and partially overlap each other in intervals to define a touch control section. Each of the first and second patterned electrode layers includes a plurality of electrodes in the shape of footsteps. The electrodes are interlaced with one another, having some parts overlapping and right corresponding to each other to define a plurality of touch-sensitive points. In this way, only fewer footstep-shaped electrodes are needed to cover the whole touch control section to decrease the number of bonding pads and pins of a touch control IC. Besides, a lot of touch sensitive points are closely disposed in the touch control section to keep quick detection and decoding.
Public/Granted literature
- US20100007626A1 Touch signal transmission circuit for touch LCD Public/Granted day:2010-01-14
Information query
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