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.:
Date of Patent:
Nov. 16, 2021
Filed:
Nov. 18, 2020
Applicant:
Kolonglotech. Inc, Seoul, KR;
Inventor:
Byoung Chul Park, Seosan-si, KR;
Assignee:
KOLONGLOTECH, INC, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/24 (2018.01); F21V 13/04 (2006.01); F21K 9/90 (2016.01); F21V 8/00 (2006.01); F21V 7/04 (2006.01); F21Y 115/15 (2016.01);
U.S. Cl.
CPC ...
F21V 13/04 (2013.01); F21K 9/90 (2013.01); F21V 7/04 (2013.01); G02B 6/0051 (2013.01); G02B 6/0055 (2013.01); G02B 6/0065 (2013.01); F21Y 2115/15 (2016.08);
Abstract
Disclosed herein is a flat lighting apparatus having excellent flexibility and formability to be molded in various shapes as well as excellent optical properties such as brightness. The flat lighting apparatus according to present invention comprises a light guide plate for dispersing light and a reflector formed on a lower portion of the light guide plate to reflect light dispersed by the light guide plate. The reflector has a multi-layered structure including a first layer and a second layer.