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:
Feb. 07, 2023
Filed:
Jan. 15, 2021
E Ink Holdings Inc., Hsinchu, TW;
Chien-Hsing Chang, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
A display device includes a pixel array, at least one flexible substrate, and at least one optical blocking layer. The flexible substrate is located below the pixel array. The optical blocking layer is located between the flexible substrate and the pixel array. The optical blocking layer includes a first sub-layer and a second sub-layer. The first sub-layer is located between the second sub-layer and the flexible substrate, and a refractive index of the first sub-layer is different from a refractive index of the second sub-layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile