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. 04, 2026

Filed:

Jan. 09, 2023
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Juyeon Jeong, Suwon-si, KR;

Jongin Yang, Hwaseong-si, KR;

Jinsub Lee, Suwon-si, KR;

Suhyun Jo, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10W 90/00 (2026.01); H10H 29/14 (2025.01); H10W 72/20 (2026.01); H10W 72/90 (2026.01);
U.S. Cl.
CPC ...
H10W 90/00 (2026.01); H10H 29/142 (2025.01); H10W 72/242 (2026.01); H10W 72/252 (2026.01); H10W 72/90 (2026.01); H10W 90/722 (2026.01);
Abstract

A display apparatus includes a circuit board having a driving circuit, and a pixel array on the circuit board, and including pixel units including a plurality of sub-pixels. The pixel array further includes a semiconductor stack including a first semiconductor region on the circuit board and divided into a plurality of LED cells, and a second semiconductor region on the first semiconductor region and having a partition structure defining a plurality of sub-pixel spaces, a plurality of wavelength converters respectively disposed in the plurality of sub-pixel spaces, a partition reflective layer having a first portion on an upper surface of the partition structure, and a second portion on sidewalls of the partition structure, the first portion having a thickness greater than a thickness of the second portion, and a first electrode and a second electrode electrically connecting each of the plurality of LED cells to the driving circuit.


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