Self-capacitive touch panel structure, in-cell touch panel, and liquid crystal display
US9760206B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 27, 2015 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | May 28, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04111
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A self-capacitive touch panel structure includes a touch detection chip and multiple self-capacitance electrodes which are isolated with each other and arranged as a matrix. Each self-capacitance electrode is connected with the touch detection chip through a connection line, each self-capacitance electrode is connected with a corresponding connection line through at least one via hole. Wherein, for a same column of the multiple self-capacitance electrodes and according to a sequence of gradually far away from the touch detection chip, a cross-sectional area of a connection line connected with a following self-capacitance electrode is larger than a cross-sectional area of a connection line connected with a previous self-capacitance electrode such that resistance values of the connection lines connected between the self-capacitance electrodes and the touch detection chip are approximately equal. An in-cell touch panel and a liquid crystal display including above structure are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.