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:
Jul. 01, 2025

Filed:

Jan. 11, 2021
Applicant:

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

Inventors:

Jin Gyeong Park, Seoul, KR;

Byung Sook Kim, Seoul, KR;

Won Seok Choi, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1681 (2019.01); G02F 1/13357 (2006.01); G02F 1/167 (2019.01); G02F 1/1676 (2019.01);
U.S. Cl.
CPC ...
G02F 1/1681 (2019.01); G02F 1/133606 (2013.01); G02F 1/167 (2013.01); G02F 1/1676 (2019.01);
Abstract

An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the upper part of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on the lower part of the second substrate; and a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes a partition wall portion and a receiving portion that are alternately disposed. The receiving portion changes light transmittance according to the application of voltage. The partition wall portion includes a base partition wall portion and a separating partition wall portion. A plurality of pores are disposed in at least one of the base partition wall portion or the separating partition wall portion. The density per unit area of partition material in the separating partition wall portion is less than the density per unit area of partition material in the base partition wall portion.


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