US 11,659,757 B2
Touch display screen and display apparatus
Xuefei Sun, Beijing (CN); Jaegeon You, Beijing (CN); and Xinxing Wang, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Sep. 23, 2021, as Appl. No. 17/483,557.
Claims priority of application No. 202110177347.3 (CN), filed on Feb. 7, 2021.
Prior Publication US 2022/0254836 A1, Aug. 11, 2022
Int. Cl. G06F 3/041 (2006.01)
CPC H10K 59/40 (2023.02) [G06F 3/0412 (2013.01); H10K 50/84 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A touch display screen, comprising:
a display panel;
a touch electrode structure on a light-emitting side of the display panel; and
a bezel cover layer disposed on a side of the touch electrode structure facing away from the display panel;
wherein
the touch display screen has a display area and a bezel area, and the bezel area has a protrusion sub-area toward the display area;
the bezel cover layer is located in the bezel area;
the touch electrode structure comprises a plurality of touch electrodes and a plurality of leads, wherein the plurality of touch electrodes are located in the display area, and the plurality of leads are arranged in the bezel area along an edge of the display area;
a portion of each of the plurality of leads adjacent to the protrusion sub-area is a preset lead portion;
an orthographic projection of the bezel cover layer on the display panel covers an orthographic projection of at least one of the preset lead portions on the display panel;
a quantity of preset lead portions is N, and the N preset lead portions are arranged in sequence in a direction from the display area to the protrusion sub-area; wherein N is an integer larger than or equal to 2;
among the N preset lead portions, the orthographic projection of the bezel cover layer on the display panel covers an orthographic projection of x preset lead portions on the display panel, wherein x is an integer larger than or equal to 1 but smaller than N; and
each of (N-x) preset lead portions with an orthographic projection on the display panel not covered by the orthographic projection of the bezel cover layer on the display panel is a first preset lead portion, and a wire width of each first preset lead portion is smaller than a wire width of other portion, except the first preset lead portion, of a lead which the each first preset lead portion belongs to.