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:
Apr. 07, 2026
Filed:
Oct. 19, 2021
Samsung Display Co., Ltd., Yongin-si, KR;
Hyeongpil Kim, Yongin-si, KR;
Byounghun Sung, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A display apparatus includes: a first organic light-emitting diode, a second organic light-emitting diode, and a third organic light-emitting diode corresponding to a first sub-pixel, a second sub-pixel, and a third sub-pixel, respectively; a first intermediate layer commonly provided in the first organic light-emitting diode and the second organic light-emitting diode, and comprising a first emission layer and a first n-type charge generation layer; a second intermediate layer provided in the third organic light-emitting diode, and comprising a second emission layer and a second n-type charge generation layer, wherein the first n-type charge generation layer includes a first material, and the second n-type charge generation layer includes a second material different from the first material.