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. 17, 2025
Filed:
May. 26, 2022
Seoul Viosys Co., Ltd., Ansan-si, KR;
Seom Geun Lee, Ansan-si, KR;
Chan Seob Shin, Ansan-si, KR;
Ho Joon Lee, Ansan-si, KR;
Seong Kyu Jang, Ansan-si, KR;
SEOUL VIOSYS CO., LTD., Ansan-si, KR;
Abstract
A light emitting device for a display including a circuit board, a plurality of light emitting units arranged on the circuit board, each light emitting unit comprising a first LED stack including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, a first electrode disposed on the first conductivity type semiconductor layer, and a second electrode disposed on the second conductivity type semiconductor layer, a plurality of bump pads disposed between the plurality of light emitting units and the circuit board, and a bonding layer disposed between the second electrode and the circuit board, in which the second electrode has a side surface recessed inwardly with respect to a side surface of the light emitting unit to define a recessed portion, and the bonding layer is filled in the recessed portion.