Title:
EMBEDDED TOUCH SCREEN TESTING CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2019/000568
Kind Code:
A1
Abstract:
An embedded touch screen testing circuit, comprising: a plurality of cascaded scanning circuits (203, 303); the scanning circuits (203, 303) at least comprising: a test signal input terminal (204, 304) and a test signal output terminal (205, 305), correspondingly connected to a touch control electrode (202, 302) by means of a first signal line (208, 308), in order to input a test signal to a corresponding touch control electrode (202, 302); and a short circuit feedback terminal (206, 306), connected to the touch control electrode (202, 302) connected to the test signal output terminal (205, 305) of the preceding scanning circuit (203, 303) by means of a second signal line (209, 309).
Inventors:
HUANG YAOLI (CN)
HE XINGLONG (CN)
HE XINGLONG (CN)
Application Number:
PCT/CN2017/096347
Publication Date:
January 03, 2019
Filing Date:
August 08, 2017
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G09G3/00
Foreign References:
| CN106291216A | 2017-01-04 | |||
| CN103529354A | 2014-01-22 | |||
| CN104281323A | 2015-01-14 | |||
| CN106771817A | 2017-05-31 | |||
| CN105093025A | 2015-11-25 | |||
| US20100013507A1 | 2010-01-21 |
Other References:
See also references of EP 3648086A4
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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