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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 12289982 B1

PDFFull Text
Date of Patent:
Apr. 29, 2025

Filed:

Oct. 10, 2023

Transparent organic light emitting display apparatus and method of manufacturing the same

Applicant:

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

Inventors:

Joonsuk Lee, Paju-si, KR;

SeJune Kim, Paju-si, KR;

Dohyung Kim, Paju-si, KR;

Saemleenuri Lee, Paju-si, KR;

Assignee:

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

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Sonya McCall-Shepard

Int. Cl.
CPC ...
H10K 77/10 (2022.12); H10K 50/844 (2022.12); H10K 50/86 (2022.12); H10K 59/12 (2022.12); H10K 59/121 (2022.12); H10K 59/122 (2022.12); H10K 59/124 (2022.12); H10K 59/35 (2022.12); H10K 59/38 (2022.12); H10K 59/80 (2022.12); H10K 71/00 (2022.12); H10K 71/10 (2022.12); H10K 71/20 (2022.12); H10K 71/40 (2022.12); H10K 71/60 (2022.12); H10K 102/00 (2022.12);
U.S. Cl.
CPC ...
H10K 77/111 (2023.01); H10K 50/844 (2023.01); H10K 50/865 (2023.01); H10K 59/124 (2023.01); H10K 59/38 (2023.01); H10K 71/00 (2023.01); H10K 71/233 (2023.01); H10K 59/1201 (2023.01); H10K 2102/311 (2023.01);
Abstract

A transparent organic light emitting display apparatus includes a pixel area having an emission area and a transmission area disposed adjacent to the emission area, where the emission area is configured to display an image and the transmission area configured to pass external light. The transmission area includes a planarization layer covering a thin film transistor of the emission area, and including an overhanging portion, an encapsulation layer disposed on the planarization layer, and an undercut area disposed below the overhanging portion of the planarization layer and filled by the encapsulation layer. The transmission area further includes an emission layer, a cathode electrode, and the encapsulation layer covering the overhanging portion of the planarization layer. The emission layer, the cathode electrode and the encapsulation layer are disposed on the undercut area.

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