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:
Jul. 28, 2020
Filed:
Mar. 02, 2015
Applicant:
Hatbit Illucom Co., Ltd., Bucheon, Gyeonggi-Do, KR;
Inventors:
Heon Cheol Kim, Gyeonggi-Do, KR;
Jang Hwan Hwang, Gyeonggi-Do, KR;
Assignee:
HATBIT ILLUCOM CO., LTD., Bucheon, Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); B29D 11/00 (2006.01); F21V 8/00 (2006.01); B05C 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02033 (2013.01); B29D 11/00663 (2013.01); B05C 11/00 (2013.01); G02B 6/0008 (2013.01);
Abstract
A light cylinder, a dispenser, and a method of manufacturing a light cylinder are disclosed. The light cylinder includes an outer layer and an inside layer, where the inside layer is formed by filling optical resin into the inside space of the outer layer, and the refractive index of the optical resin is determined in consideration of the refractive index of the outer layer.