US 12,314,511 B2
Touch display apparatus and touch detection method
Jiabao Mo, Dongguan (CN); Yang Zou, Dongguan (CN); Junyong Zhang, Dongguan (CN); and Tawei Kuo, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Appl. No. 18/576,528
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
PCT Filed Jul. 4, 2022, PCT No. PCT/CN2022/103665
§ 371(c)(1), (2) Date Jan. 4, 2024,
PCT Pub. No. WO2023/280111, PCT Pub. Date Jan. 12, 2023.
Claims priority of application No. 202110767391.X (CN), filed on Jul. 7, 2021; and application No. 202111662224.5 (CN), filed on Dec. 31, 2021.
Prior Publication US 2024/0310950 A1, Sep. 19, 2024
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/04166 (2019.05) [G06F 3/0412 (2013.01); G06F 3/04164 (2019.05); G06F 3/0443 (2019.05); G06F 3/0446 (2019.05); G06F 2203/04104 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A touch display apparatus, comprising:
a touch display panel, wherein the touch display panel comprises at least one touch area, each of the at least one touch area comprises a plurality of touch structures, each of the plurality of touch structures comprises a plurality of first touch electrodes arranged along a first direction and a plurality of second touch electrodes arranged along a second direction, the plurality of first touch electrodes and the plurality of second touch electrodes are disposed at a same layer and are insulated, and the first direction intersects the second direction, wherein:
each first touch electrode comprises a plurality of first electrode blocks arranged along the second direction, two adjacent first electrode blocks are connected through a connection part, and each first touch electrode is electrically connected to a respective touch signal line; and
each second touch electrode comprises a plurality of second electrode blocks arranged along the first direction, and the plurality of second electrode blocks in a respective second touch electrode are electrically connected to a respective touch signal line; and
at least one touch driver chip, wherein each of the at least one touch driver chip is electrically connected to a touch signal line connected to touch structures in one touch area;
wherein an orthographic projection of a touch signal line on a plane on which the touch display panel is located runs through an orthographic projection of a plurality of first touch electrodes that are on the touch display panel and that are arranged along the first direction on the plane on which the touch display panel is located.