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:
May. 26, 2026

Filed:

Nov. 02, 2022
Applicant:

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

Inventors:

Il-Soo Kim, Goyang-si, KR;

Yongseok Kwak, Paju-si, KR;

Kyuoh Kwon, Paju-si, KR;

Seungjun Lee, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/851 (2025.01); H10W 90/00 (2026.01);
U.S. Cl.
CPC ...
H10H 20/8516 (2025.01); H10W 90/00 (2026.01);
Abstract

A display device according to an embodiment of the present disclosure includes a substrate on which a plurality of sub-pixels are defined, a plurality of LEDs disposed in each of the plurality of sub-pixels, and a plurality of color conversion layers covering the plurality of LEDs. The plurality of color conversion layers each include a plurality of color conversion material layers that are stacked to be spaced apart from each other. Accordingly, according to the present disclosure, it is possible to minimize or reduce light lost inside the color conversion layer by separating the plurality of color conversion material layers from each other, and improve color conversion efficiency and luminance.


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