Patent · US Active

In-cell touch panel and color filter substrate thereof

US9158145B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

Shanghai Tianma Micro-electronics Co., Ltd. · CN

Inventors

Baoling Liu · Shanghai, CN
Hao Chen · Beijing, CN
Jun Ma · 流花街道, CN

Key dates

Filing date	Nov 20, 2013
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Apr 4, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG06F2203/04103
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A color filter device for in-cell touch panel is disclosed. The device includes a substrate, a black matrix with a plurality of openings that is formed on the substrate, and a plurality of sensing electrodes and a plurality of driving electrodes both formed on the black matrix. The sensing electrodes are independent of the driving electrodes, the black matrix is disconnected between the sensing electrodes and the driving electrodes, and the disconnected portion of the black matrix is blocked by an opaque material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.