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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 12211963 B1

PDFFull Text
Date of Patent:
Jan. 28, 2025

Filed:

Nov. 27, 2023

Light emitting device having a dam surrounding a light emitting region and a barrier surrounding the dam

Applicant:

Samsung Display Co., Ltd., Yongin-Si, KR;

Inventors:

Hyun Deok Im, Yongin-si, KR;

Jong Hyuk Kang, Yongin-si, KR;

Dae Hyun Kim, Yongin-si, KR;

Joo Yeol Lee, Yongin-si, KR;

Hyun Min Cho, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-Si, KR;

Attorney:

Innovation Counsel LLP

Primary Examiner:

Michael Jung

Int. Cl.
CPC ...
H01L 33/52 (2010.01); H01L 25/075 (2006.01); H01L 33/38 (2010.01); H01L 33/48 (2010.01); H01L 33/56 (2010.01); H01L 33/58 (2010.01); H01L 25/16 (2023.01); H01L 27/12 (2006.01); H01L 33/20 (2010.01); H01L 33/32 (2010.01); H01L 33/54 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H01L 33/52 (2013.01); H01L 25/0753 (2013.01); H01L 33/382 (2013.01); H01L 33/385 (2013.01); H01L 33/387 (2013.01); H01L 33/48 (2013.01); H01L 33/483 (2013.01); H01L 33/486 (2013.01); H01L 33/56 (2013.01); H01L 33/58 (2013.01); H01L 25/167 (2013.01); H01L 27/1214 (2013.01); H01L 33/20 (2013.01); H01L 33/32 (2013.01); H01L 33/54 (2013.01); H01L 33/62 (2013.01); H01L 2933/0033 (2013.01); H01L 2933/005 (2013.01); H01L 2933/0091 (2013.01);
Abstract

A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

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