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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.:

US 12062684 B1

PDFFull Text
Date of Patent:
Aug. 13, 2024

Filed:

Mar. 15, 2023

Light emitting diode (led) stack for a display

Applicant:

Seoul Viosys Co., Ltd., Ansan-si, KR;

Inventors:

Jong Hyeon Chae, Ansan-si, KR;

Chung Hoon Lee, Ansan-si, KR;

Seong Gyu Jang, Ansan-si, KR;

Chang Yeon Kim, Ansan-si, KR;

Ho Joon Lee, Ansan-si, KR;

Assignee:

SEOUL VIOSYS CO., LTD., Ansan-si, KR;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Ida M Soward

Int. Cl.
CPC ...
H10K 59/32 (2023.01); H01L 25/075 (2006.01); H01L 27/15 (2006.01); H01L 33/10 (2010.01); H01L 33/30 (2010.01); H01L 33/40 (2010.01); H01L 33/50 (2010.01); H10K 59/35 (2023.01); H10K 59/38 (2023.01); G09G 3/32 (2016.01); H01L 25/16 (2023.01); H01L 27/12 (2006.01); H01L 29/45 (2006.01); H01L 33/00 (2010.01); H01L 33/08 (2010.01); H01L 33/22 (2010.01); H01L 33/24 (2010.01); H01L 33/38 (2010.01); H01L 33/42 (2010.01); H01L 33/46 (2010.01); H01L 33/58 (2010.01); H01L 33/60 (2010.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H01L 27/156 (2013.01); H01L 25/0756 (2013.01); H01L 33/10 (2013.01); H01L 33/30 (2013.01); H01L 33/405 (2013.01); H01L 33/504 (2013.01); G09G 3/32 (2013.01); H01L 25/167 (2013.01); H01L 27/1214 (2013.01); H01L 29/45 (2013.01); H01L 33/0008 (2013.01); H01L 33/0093 (2020.05); H01L 33/08 (2013.01); H01L 33/22 (2013.01); H01L 33/24 (2013.01); H01L 33/38 (2013.01); H01L 33/382 (2013.01); H01L 33/385 (2013.01); H01L 33/42 (2013.01); H01L 33/46 (2013.01); H01L 33/58 (2013.01); H01L 33/60 (2013.01); H10K 59/32 (2023.02); H10K 59/35 (2023.02); H10K 59/352 (2023.02); H10K 59/353 (2023.02); H10K 59/38 (2023.02); H10K 2102/00 (2023.02);
Abstract

A light emitting diode (LED) pixel for a display including a first LED stack having a first well layer, a second LED stack disposed on the first LED stack and having a second well layer, a third LED stack disposed on the second LED stack and having a third well layer, a first electrode disposed on the first LED stack and in ohmic contact with the first LED stack, a second electrode disposed on the second LED stack and in ohmic contact with a surface of the second LED stack, and a third electrode in ohmic contact with a surface of the third LED stack, in which the first well layer includes at least one base material different from that of the second well layer.

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