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.

Date of Patent:
Dec. 16, 2025

Filed:

Aug. 11, 2023
Applicant:

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

Inventors:

Youngmin Oh, Paju-si, KR;

Hyunseung Kim, Paju-si, KR;

Minhyung Kim, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
G02F 1/292 (2013.01); G02B 5/1814 (2013.01);
Abstract

Embodiments relate to a light path control device, including a first viewing angle control member including light-shielding patterns patterned at regular intervals and a pattern cover layer to cover the light-shielding patterns; and a diffractive transmitting layer that is disposed on a lower portion of the first viewing angle control member and includes a plurality of slits, and a display device including the light path control device.


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