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:
Mar. 10, 2026
Filed:
Oct. 28, 2021
Boe Mled Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Jiawei Zhao, Beijing, CN;
Junjie MA, Beijing, CN;
Zhijun Xiong, Beijing, CN;
Shanwei Yang, Beijing, CN;
Yuanhao Sun, Beijing, CN;
Yuanda Lu, Beijing, CN;
Xueqiao Li, Beijing, CN;
BOE MLED Technology Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A light emitting device and a preparation method therefor, and a light emitting substrate and a preparation method therefor are provided. The light emitting device includes an underlay substrate, a light emitting functional layer disposed on the underlay substrate, and a reflective layer disposed on the underlay substrate and covering at least part of the light emitting functional layer, the reflective layer includes a first material layer and a second material layer, the first material layer and the second material layer are stacked along a thickness direction of the underlay substrate, the first material layer includes an atomic crystal material, the first material layer is at one side of the second material layer away from the underlay substrate, and a surface of the first material layer away from the second material layer is formed as a surface of the reflective layer away from the underlay substrate.