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:
Oct. 07, 2025
Filed:
Dec. 31, 2024
Kunshan New Flat Panel Display Technology Center Co., Ltd., Kunshan, CN;
Hefei Visionox Technology Co., Ltd., Hefei, CN;
Xiaokang Zhou, Kunshan, CN;
Xingxing Chen, Kunshan, CN;
Hajime Yamaguchi, Hefei, CN;
Kunjing Zhong, Kunshan, CN;
Qingrong Ren, Kunshan, CN;
Rubo Xing, Kunshan, CN;
Kunshan New Flat Panel Display Technology Center Co., Ltd., Kunshan, CN;
Hefei Visionox Technology Co., Ltd., Hefei, CN;
Abstract
The present application provides a display panel, a display device, and a preparation method for the display panel. The display panel includes: a substrate; a light-emitting unit including a first hole blocking layer; and a photoelectric sensing unit being configured to receive an optical signal and generate a corresponding electrical signal from the optical signal, the photoelectric sensing unit including a photoelectric conversion layer, a buffer layer being arranged on a side of the photoelectric conversion layer away from the substrate and a second hole blocking layer being arranged on a side of the buffer layer away from the photoelectric conversion layer; wherein the first hole blocking layer and the second hole blocking layer are made of the same material, the buffer layer has a first electrical conductivity, and the second hole blocking layer has a second electrical conductivity, the first electrical conductivity being greater than the second electrical conductivity.