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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 11497094 B1

PDFFull Text
Date of Patent:
Nov. 08, 2022

Filed:

Oct. 13, 2021

Led lighting apparatus

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Seulgee Lee, Suwon-si, KR;

Seongmin Kim, Seongnam-si, KR;

Chohui Kim, Hwaseong-si, KR;

Jeongeun Yun, Hwaseong-si, KR;

Sungwoo Choi, Suwon-si, KR;

Jeongrok Oh, Suwon-si, KR;

Chulsoo Yoon, Hwaseong-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Haissa Philogene

Int. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/30 (2020.01); H05B 45/10 (2020.01); H01L 33/50 (2010.01); F21K 9/64 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
H05B 45/20 (2020.01); F21K 9/64 (2016.08); H01L 33/504 (2013.01); H05B 45/10 (2020.01); H05B 45/30 (2020.01); F21Y 2115/10 (2016.08);
Abstract

An LED lighting apparatus, including an LED light source configured to emit white light having a first melanopic/photopic (M/P) ratio; a tuning LED light source configured to emit tuning blue light having a peak wavelength in a range of 465 nm to 495 nm; and a driving control unit configured to control currents respectively applied to the LED light source and the tuning LED light source to generate tuned white light having a second M/P ratio higher than the first M/P ratio

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