The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2023
Filed:
Apr. 18, 2022
Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd., Wuhan, CN;
Ying Li, Wuhan, CN;
Yongxiang Lin, Wuhan, CN;
Abstract
Provided a touch display panel includes a signal transmission layer, an insulation layer, and a touch layer disposed in stack. A surface of the signal transmission layer is provided with first concave-convex structure. The insulation layer covers the first concave-convex structure, and a surface thereof is provided with a second concave-convex structure at least partially overlapping the first concave-convex structure in a light exit direction. The second concave-convex structure includes a second convex portion, a second concave portion, and a second connecting portion, thickness of the second connecting portion smaller than either thickness of the second convex portion or thickness of the second concave portion. A connection via hole is further provided, penetrates at least the second connecting portion, exposes part of the signal transmission layer, and the touch layer electrically connected to the signal transmission layer through the connection via hole.