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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.:

US 12761406 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Aug. 25, 2023

Optical member having a plurality of layers with different refractive indices and display apparatus comprising the same

Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Sunwoong Kim, Paju-si, KR;

Juhun Min, Paju-si, KR;

Seungsoo Yang, Paju-si, KR;

Changhee Choi, Paju-si, KR;

Assignee:

LG DISPLAY CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Tracie Y Green

Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 1/04 (2006.01); H10K 59/12 (2023.01); H10K 59/38 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
G02B 5/0205 (2013.01); G02B 1/04 (2013.01); G02B 5/0278 (2013.01); H10K 59/38 (2023.02); H10K 59/879 (2023.02); H10K 59/12 (2023.02);
Abstract

An optical member capable of improving a vision recognition rate of a mark used for alignment such as bonding alignment, and a display apparatus including the same are discussed. The optical member can include a first layer having a pattern portion, and a second layer covering the pattern portion. At least one of the first layer or the second layer has a refractive index that is varied depending on different wavelength areas, where the wavelength areas include a visible ray area and an infrared area having a wavelength longer than that of the visible ray area. A difference in a refractive index between the first layer and the second layer is greater in the visible ray area than the infrared area.

Find Patent Forward Citations

Kim, Sunwoong. (2026). Optical member having a plurality of layers with different refractive indices and display apparatus comprising the same (U.S. Patent No. 12761406). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12761406

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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