Touch control structure and display apparatus

Patent metadata

Field	Value
Publication number	US-12535918-B2
Application number	US-202017428974-A
Country	US
Kind code	B2
Filing date	Oct 27, 2020
Priority date	Aug 4, 2017
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

A touch control structure is provided. The touch control structure includes a plurality of first mesh electrodes arranged in a plurality of rows and a plurality of second mesh electrodes arranged in a plurality of columns. The touch control structure includes a plurality of bendable mesh blocks along a column direction, and a plurality of gaps respectively in the plurality of bendable mesh blocks. In a respective bendable mesh block of the plurality of bendable mesh blocks, a respective gap of the plurality of gaps includes a plurality of line opens respectively breaking open multiple mesh lines of the respective bendable mesh block. The respective gap spaces apart the respective bendable mesh block into a respective first half mesh block and a respective second half mesh block directly adjacent to each other, which are insulated from each other by the respective gap.

First claim

What is claimed is:

1 . A touch control structure, comprising a plurality of first mesh electrodes arranged in a plurality of rows and a plurality of second mesh electrodes arranged in a plurality of columns;
wherein the touch control structure comprises a plurality of bendable mesh blocks along a column direction, and a plurality of gaps respectively in the plurality of bendable mesh blocks; in a respective bendable mesh block of the plurality of bendable mesh blocks, a respective gap of the plurality of gaps comprises a plurality of line opens respectively breaking open multiple mesh lines of the respective bendable mesh block; the respective gap spaces apart the respective bendable mesh block into a respective first half mesh block and a respective second half mesh block directly adjacent to each other, the first half mesh block and a respective second half mesh block insulated from each other by the respective gap; at least two adjacent line opens of the plurality of line opens in the respective gap are arranged in a direction non-parallel to the column direction; and the touch control structure is bendable along the plurality of gaps.

2 . The touch control structure of claim 1 , wherein a respective row of the plurality of rows comprises a plurality of first mesh blocks arranged along a row direction;
the plurality of first mesh blocks in the respective row comprise the respective first half mesh block and the respective second half mesh block of the respective bendable mesh block, multiple first adjacent mesh blocks, and multiple second adjacent mesh blocks in a same row; and the multiple first adjacent mesh blocks are on a side of the respective bendable mesh block away from the multiple second adjacent mesh blocks.

3 . The touch control structure of claim 2 , wherein a combination of the respective first half mesh block, the respective gap, and the respective second half mesh block, has a shape substantially same as a shape of an immediate adjacent first adjacent mesh block of the multiple first adjacent mesh blocks, the immediate adjacent first adjacent mesh block being most adjacent to the respective first half mesh block among the multiple first adjacent mesh blocks.

4 . The touch control structure of claim 2 , wherein the combination of the respective first half mesh block, the respective gap, and the respective second half mesh block, has a shape substantially same as a shape of an immediate adjacent second adjacent mesh block of the multiple second adjacent mesh blocks, the immediate adjacent second adjacent mesh block being most adjacent to the respective second half mesh block among the multiple second adjacent mesh blocks.

5 . The touch control structure of claim 1 , wherein the plurality of first mesh electrodes comprise a plurality of first sub-electrodes and a plurality of second sub-electrodes;
a respective one of the plurality of first mesh electrodes comprises a respective one of the plurality of first sub-electrodes and a respective one of the plurality of second sub- electrodes; a respective column of the plurality of columns comprises a plurality of second mesh blocks electrically connected together and arranged along a column direction; a respective row of the plurality of rows comprises a plurality of first mesh blocks arranged along a row direction; the plurality of first mesh blocks in the respective row comprise the respective first half mesh block and the respective second half mesh block of the respective bendable mesh block, multiple first adjacent mesh blocks, and multiple second adjacent mesh blocks in a same row; the multiple first adjacent mesh blocks and the respective first half mesh block are electrically connected to each other, forming the respective one of the plurality of first sub-electrodes; and the multiple second adjacent mesh blocks and the respective second half mesh block are electrically connected, forming the respective one of the plurality of second sub-electrodes that is spaced apart from the respective one of the plurality of first sub-electrodes by the respective gap.

6 . The touch control structure of claim 5 , further comprising:
a plurality of first touch signal lines respectively connected to the plurality of first sub-electrodes; a plurality of second touch signal lines respectively connected to the plurality of second sub-electrodes; and a plurality of third touch signal lines respectively connected to the plurality of second mesh electrodes; wherein, in a same respective row, a respective one of the plurality of first touch signal lines is electrically connected to the multiple first adjacent mesh blocks and the respective first half mesh block in the respective one of the plurality of first sub-electrodes, and a respective one of the plurality of second touch signal lines is electrically connected to the multiple second adjacent mesh blocks and the respective second half mesh block in the respective one of the plurality of second sub-electrodes.

7 . The touch control structure of claim 6 , wherein the plurality of first touch signal lines and the plurality of second touch signal lines are touch sensing signal lines;
the plurality of first touch signal lines and the plurality of second touch signal lines are two independent sets of touch signals lines that are independently controlled; and the plurality of third touch signal lines are touch scanning signal lines configured to provide touch scanning signals respectively to the plurality of second mesh blocks respectively in the plurality of columns.

8 . The touch control structure of claim 5 , wherein the plurality of bendable mesh blocks are spaced apart from each other along the column direction.

9 . The touch control structure of claim 8 , wherein first mesh blocks of the plurality of rows of the plurality of first mesh electrodes and second mesh blocks of the plurality of columns of the plurality of second mesh electrodes are respectively arranged in interlaced matrices, forming a plurality of bridge intersections and a plurality of non-bridge intersections;
in a respective one of the plurality of non-bridge intersections, adjacent mesh blocks are spaced apart and insulated from each other; adjacent bendable mesh blocks of the plurality of bendable mesh blocks are spaced apart from each other along the column direction by the respective one of the plurality of non-bridge intersections; and the plurality of gaps and multiple non-bridge intersections respectively spacing apart the plurality of bendable mesh blocks along the column direction together form the bendable line along which the touch control structure is bendable.

10 . The touch control structure of claim 1 , wherein a contour line of the respective gap is an undulating contour line.

11 . The touch control structure of claim 10 , wherein the undulating contour line comprises alternating half waves and base lines.

12 . The touch control structure of claim 11 , wherein at least two of the half waves have different wave forms.

13 . The touch control structure of claim 12 , wherein the different wave forms comprise a triangular half wave form and a trapezoidal half wave form; and
the base lines are aligned along a direction substantially parallel to the column direction.

14 . The touch control structure of claim 1 , wherein the respective bendable mesh block comprises a plurality of fill patterns;
the respective gap of the plurality of gaps spaces apart a first fill pattern in the plurality of fill patterns into a first half fill pattern and a second half fill pattern, spaces apart a second fill pattern in the plura

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Wang Lingran
• Wang Shilong
• Hu Yao
• Yan Jun
• Song Gukhwan
• Li Jianbo
• Gao Wenhui

Classifications

• G06F2203/04111

  Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate · CPC title

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title

• G06F3/0443 Primary

  using a single layer of sensing electrodes · CPC title

• G06F3/0446 Primary

  using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes · CPC title

• G06F3/0448

  Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality · CPC title