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:
Jun. 10, 2025
Filed:
Jul. 06, 2023
Hkc Corporation Limited, Shenzhen, CN;
Zhaoyang Lu, Shenzhen, CN;
Rongrong Li, Shenzhen, CN;
HKC CORPORATION LIMITED, Shenzhen, CN;
Abstract
A light emitting device includes: a first light emitting unit and a second light emitting unit arranged beneath the first light emitting unit. The first light emitting unit and the second light emitting unit are alternately conducted. The first light emitting unit includes: a first cathode, a first electron transport layer, a first luminescent layer, a first hole transport layer, and a first anode arranged sequentially from bottom to top. The second light emitting unit includes: a second anode, a second hole transport layer, a second luminescent layer, a second electron transport layer, and a second cathode arranged sequentially from bottom to top. The first cathode, the first anode, the second cathode, and the second anode are all connected to AC power supplies, respectively.