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:
Jun. 03, 2025
Filed:
May. 08, 2021
Boe Technology Group Co., Ltd., Beijing, CN;
Qingyu Huang, Beijing, CN;
Zhiqiang Jiao, Beijing, CN;
Huajie Yan, Beijing, CN;
Fudong Chen, Beijing, CN;
Xiaohu Li, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
Provided is a display panel including a plurality of sub-pixels and includes a substrate and a pixel defining layer, a light emitting device and a color film layer disposed on the substrate. The pixel defining includes M layers and M being a positive integer equal to or greater than 2, an m-th layer of pixel defining layer is covered on a surface of an (m−1)-th layer of pixel defining layer, and a refractive index nof the (m−1)-th layer of pixel defining layer is greater than a refractive index nof the m-th layer of pixel defining layer, and wherein 2≤m≤M.