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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 12446308 B1

PDFFull Text
Date of Patent:
Oct. 14, 2025

Filed:

Aug. 23, 2021

Display apparatus including dummy pixels in a non-display area

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Mihae Kim, Yongin-si, KR;

Kyeonghwa Kim, Yongin-si, KR;

Junyong An, Yongin-si, KR;

Kyonghwan Oh, Yongin-si, KR;

Chaehan Hyun, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Lauren Nguyen

Int. Cl.
CPC ...
H10D 86/40 (2025.01); H10D 86/60 (2025.01); H10K 50/842 (2023.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01); H10K 59/65 (2023.01); H10K 59/80 (2023.01); H10K 59/88 (2023.01);
U.S. Cl.
CPC ...
H10D 86/411 (2025.01); H10K 59/1213 (2023.02); H10K 59/131 (2023.02); H10K 59/88 (2023.02); H10D 86/421 (2025.01); H10D 86/60 (2025.01); H10K 50/8426 (2023.02); H10K 59/65 (2023.02); H10K 59/8722 (2023.02); H10K 59/8731 (2023.02);
Abstract

A display apparatus includes: a substrate including: a first region; a second region; a first non-display area surrounding the first region and the second region; and a display area surrounding at least a portion of an outline of the first non-display area; a plurality of dummy pixels at the first non-display area, and to not emit light; a plurality of emission control lines connected to at least one of the plurality of dummy pixels; and a plurality of power supply lines to supply a driving voltage to the plurality of dummy pixels, respectively. One of the plurality of power supply lines is electrically connected to one of the plurality of emission control lines, and one of the plurality of power supply lines is connected to one of the plurality of dummy pixels.

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