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:
Aug. 19, 2025

Filed:

Apr. 15, 2021
Applicant:

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

Inventors:

Jin Gyeong Park, Seoul, KR;

Byung Sook Kim, Seoul, KR;

Jong Sik Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G02F 1/1343 (2006.01); G02F 1/167 (2019.01); G02F 1/1676 (2019.01); G02F 1/1685 (2019.01);
U.S. Cl.
CPC ...
G02F 1/1323 (2013.01); G02F 1/13439 (2013.01); G02F 1/167 (2013.01); G02F 1/1676 (2019.01); G02F 1/1685 (2019.01);
Abstract

A light path control member according to an embodiment comprises: a first substrate including an effective area and an ineffective area; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate and including an effective area and an ineffective area; a second electrode disposed under the second substrate; and a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes an alternating arrangement of partition wall parts and reception parts. A first hole passing through the first substrate is formed in at least one of the effective area or the ineffective area of the first substrate. A second hole passing through the first substrate is formed in at least one of the effective area or the ineffective area of the second substrate. A first connection electrode is disposed in the first hole, and a second connection electrode is disposed in the second hole.


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