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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 12419159 B1

PDFFull Text
Date of Patent:
Sep. 16, 2025

Filed:

Oct. 15, 2021

Display device having surface control layer in transmission area

Applicant:

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

Inventors:

Heemin Park, Hwaseong-si, KR;

Joongu Lee, Seoul, KR;

Hye Jin Gwark, Suwon-si, KR;

Jaeik Kim, Seoul, KR;

Jungsun Park, Yongin-si, KR;

Yeonhwa Lee, Hwaseong-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

William B Partridge

Assistant Examiner:

David Paul Sedorook

Int. Cl.
CPC ...
H10K 59/123 (2023.01); H10K 50/17 (2023.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 59/65 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H10K 59/123 (2023.02); H10K 50/844 (2023.02); H10K 59/1213 (2023.02); H10K 59/122 (2023.02); H10K 59/353 (2023.02); H10K 50/171 (2023.02); H10K 59/65 (2023.02); H10K 59/8731 (2023.02);
Abstract

A display device includes: a substrate on which a pixel area for displaying an image and a transmission area for transmitting an external light are defined; a transistor disposed on the substrate in the pixel area; a first electrode disposed on the transistor in the pixel area and electrically connected to the transistor; a pixel defining layer exposing at least a portion of the first electrode; an emission layer disposed on the first electrode in the pixel area; a surface control layer disposed on the substrate in the transmission area; at least one dam disposed between the pixel area and the transmission area and surrounding the surface control layer; and a second electrode disposed on the emission layer.

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