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:
Mar. 23, 2021
Filed:
Mar. 18, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
Tan Sakong, Seoul, KR;
Yong Il Kim, Seoul, KR;
Han Kyu Seong, Seoul, KR;
Ji Hye Yeon, Suwon-si, KR;
Chung Sun Lee, Anyang-si, KR;
Ji Hwan Hwang, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A light emitting diode display device includes a display board comprising a plurality of unit pixels, a drive circuit board including a plurality of drive circuit regions corresponding to the plurality of unit pixels, and a plurality of bumps interposed between the plurality of unit pixels and the plurality of drive circuit regions. The plurality of unit pixels comprises a first unit pixel including a first P electrode. The plurality of drive circuit regions comprises a first drive circuit region corresponding to the first unit pixel and a first pad connected to a first drive transistor, the plurality of bumps includes a first solder in contact with the first pad, and a first bump on the first solder and including a first filler in contact with the first P electrode, the first solder includes at least one of tin and silver, and the first filler includes copper or nickel.