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:
Feb. 12, 2019
Filed:
Feb. 15, 2017
Lg Innotek Co., Ltd., Seoul, KR;
Min Soo Kang, Seoul, KR;
LG Innotek Co., Ltd., Seoul, KR;
Abstract
An optical lens is provided. The optical lens may include a bottom surface, a concave recess provided in a center region of the bottom surface, a first light exit surface having a convexly curved surface on a side opposite to the bottom surface and the recess, and a second light exit surface between the bottom surface and the first light exit surface. A length in a first axis direction on the bottom surface is D, and a length in a second axis direction perpendicular to the first axis direction is D, a length in the first axis direction on the bottom of the recess is D, and a length in the second axis direction on the bottom of the recess is D, where a length of the bottom surface may have a relationship of D<D, and a bottom length of the recess may have a relationship of D>D