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.

Date of Patent:
Aug. 30, 2022

Filed:

Jul. 19, 2021
Applicant:

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

Inventors:

Dongsoo Lim, Seoul, KR;

Chinwoo Kim, Incheon, KR;

Yongchul Kang, Hwaseong-si, KR;

Heejin Kim, Yongin-si, KR;

Jeongje Moon, Seoul, KR;

Jaeyoo Jeong, Hwaseong-si, KR;

Jun Cho, Yongin-si, KR;

Jongwook Ju, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/00 (2018.01); F21V 33/00 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 14/003 (2013.01); F21V 33/0052 (2013.01); F21Y 2115/10 (2016.08);
Abstract

Provided is a light source module including a package body having a groove portion, a semiconductor light emitting diode (LED) chip provided on a bottom surface of the groove portion, the semiconductor LED chip being configured to emit light based on a first driving voltage applied thereto, a variable light transmission unit provided on the groove portion and having light transmissivity varying based on a second driving voltage applied thereto, a first electrode side surface and a second electrode side surface provided on side surfaces of the groove portion and connecting the bottom surface of the groove portion to the variable light transmission unit, and a processor configured to control application of the first driving voltage to the semiconductor LED chip and the second driving voltage to the variable light transmission unit.


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