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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 10636938 B1

PDFFull Text
Date of Patent:
Apr. 28, 2020

Filed:

Oct. 23, 2018

Led panel

Applicant:

Lumens Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Taekyung Yoo, Yongin-si, KR;

Daewon Kim, Yongin-si, KR;

Yelim Won, Yongin-si, KR;

Assignee:

LUMENS CO., LTD., Yongin-si, KR;

Attorney:

Mei & Mark LLP

Primary Examiner:

Ali Alavi

Int. Cl.
CPC ...
G01D 11/28 (2006.01); H01L 33/08 (2010.01); H01L 27/15 (2006.01); H01L 33/38 (2010.01); H01L 23/00 (2006.01); H01L 33/12 (2010.01); H01L 33/50 (2010.01); H01L 33/46 (2010.01); H01L 33/58 (2010.01);
U.S. Cl.
CPC ...
H01L 33/08 (2013.01); H01L 24/17 (2013.01); H01L 27/156 (2013.01); H01L 33/12 (2013.01); H01L 33/382 (2013.01); H01L 33/387 (2013.01); H01L 33/50 (2013.01); H01L 33/46 (2013.01); H01L 33/504 (2013.01); H01L 33/58 (2013.01);
Abstract

An LED panel is disclosed. The LED panel includes LED chips and a mount substrate on which the LED chips are mounted by flip bonding. Each of the LED chips includes a sapphire substrate, a plurality of light emitting cells disposed below the sapphire substrate, and an etched portion formed between the plurality of light emitting cells. Each of the LED chips includes a plurality of color cells formed corresponding to the plurality of light emitting cells on the sapphire substrate to change or maintain the color of light from the corresponding light emitting cells and a plurality of light collecting portions formed corresponding to the plurality of light emitting cells and the plurality of color cells on the bottom surface of the substrate and adapted to collect light from the corresponding light emitting cells on the corresponding color cells.

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