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. 11, 2022
Filed:
Aug. 24, 2020
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Qian Li, Beijing, CN;
Cuicui Liang, Beijing, CN;
Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
The disclosure discloses a display panel and a preparation method thereof, and a display device. The display panel includes a base substrate on which a plurality of repetitive units are arranged; each repetitive unit includes a display area, a transparent area and a metal wiring area; a ¼λ phase difference layer and a polarization layer arranged on the packaging layer and stacked in sequence, where the polarization layer is positioned on the side, far away from the packaging layer, of the ¼λ phase difference layer; the ¼λ phase difference layer and the polarization layer have openings in the direction perpendicular to the base substrate, and orthographic projections of the openings on the base substrate are positioned in the transparent area; and orthographic projections of the ¼λ phase difference layer and the polarization layer on the base substrate cover the display area.