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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 12419183 B1

PDFFull Text
Date of Patent:
Sep. 16, 2025

Filed:

Jul. 15, 2022

Viewing angle controlling film and display device comprising the same

Applicant:

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

Inventors:

Jaehyun Park, Seongnam-si, KR;

Sunghee Kim, Paju-si, KR;

Sujeong Lee, Seoul, KR;

Assignee:

LG Display Co., Ltd, , KR;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Charles S Chang

Int. Cl.
CPC ...
G02F 1/167 (2019.01); G02F 1/13 (2006.01); G02F 1/1675 (2019.01); G02F 1/1676 (2019.01); G02F 1/1685 (2019.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); G02F 1/1323 (2013.01); G02F 1/1676 (2019.01); G02F 1/1685 (2019.01); G02F 2001/1678 (2013.01); G02F 2202/36 (2013.01); H10K 50/865 (2023.02); H10K 59/12 (2023.02);
Abstract

A viewing angle controlling film for a display device includes a first base member, a first electrode disposed on the first base member; a transparent resin layer which is disposed on the first electrode and has a plurality of accommodating units; a second electrode disposed on the transparent resin layer; and a second base member disposed on the second electrode, and in which an ink including charged black particles, charged high refractive particles, and a solvent is accommodated in each of the plurality of accommodating units and the charged black particles are charged with a charge opposite to the charged high refractive particles.

Find Patent Forward Citations

Park, Jaehyun. (2025). Viewing angle controlling film and display device comprising the same (U.S. Patent No. 12419183). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12419183

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

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