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:
May. 27, 2025
Filed:
May. 15, 2020
Hefei Boe Joint Technology Co.,ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Meng Li, Beijing, CN;
Yongqian Li, Beijing, CN;
Chen Xu, Beijing, CN;
Dacheng Zhang, Beijing, CN;
Jingquan Wang, Beijing, CN;
Zhidong Yuan, Beijing, CN;
Haixia Xu, Beijing, CN;
Hefei BOE Joint Technology Co., Ltd., Anhui, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units; the display unit includes a driving structure layer, a light emitting structure layer and a color filter layer which are located in the display area and sequentially arranged on the substrate; the light emitting structure layer comprises a plurality of light emitting structures each including a pixel define layer and an organic light emitting layer; the organic light emitting layer is located in an opening area of the pixel define layer and on the pixel define layer; the color filter layer includes a plurality of light filters; the display substrate includes a spacing area located in the display area, the spacing area being located between opening areas of pixel define layers of adjacent light emitting structures.