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. 26, 2024
Filed:
Feb. 28, 2020
Applicant:
Vitro Flat Glass Llc, Cheswick, PA (US);
Inventor:
Songwei Lu, Wexford, PA (US);
Assignee:
Vitro Flat Glass LLC, Cheswick, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 50/854 (2023.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
H10K 50/854 (2023.02); G02B 5/0221 (2013.01); G02B 5/0242 (2013.01); G02B 5/0268 (2013.01); G02B 5/0278 (2013.01); Y10T 29/49826 (2015.01); Y10T 29/49885 (2015.01);
Abstract
A light extraction substrate includes a glass substrate having a first surface and a second surface. A first light extraction region can be defined on and/or adjacent the first surface. The first light extraction region includes nanoparticles. A second light extraction region can be defined on at least a part of the second surface. The second light extraction region has a surface roughness of at least 10 nm.