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.:
Date of Patent:
Nov. 25, 2025
Filed:
Jun. 02, 2023
Samsung Display Co., Ltd., Yongin-si, KR;
Jiyoon Kim, Yongin-si, KR;
Donghoon Kwak, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
Provided is a display device including a base layer; a circuit layer on the base layer; a first electrode on the circuit layer; a pixel defining film on the circuit layer and having an opening exposing the first electrode; an electron injection layer on the first electrode and exposing a portion of the first electrode; an electron transport layer on the electron injection layer and overlapping the electron injection layer in plan view; an emission layer on the electron transport layer; a hole transport region on the emission layer; and a second electrode on the hole transport region, a first length of the electron injection layer in a direction is shorter than a second length of the first electrode exposed by the opening of the pixel defining film in a direction.