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:
Aug. 31, 2021
Filed:
Mar. 08, 2019
Koito Electric Industries, Ltd., Shizuoka, JP;
Tadashi Fujii, Aichi, JP;
Jun Ito, Aichi, JP;
Youmei Kaminaga, Shizuoka, JP;
Yasuyo Kojima, Shizuoka, JP;
Satoru Yakushiji, Shizuoka, JP;
KOITO ELECTRIC INDUSTRIES, LTD., Sizuoka, JP;
Abstract
An illumination lens includes an incident face (), being provided in a recessed manner in a bottom apex part of the lens body (), and receiving light from the light source (); a reflection face () on the inner side of an outer periphery of the lens body (), totally reflecting the light, having reached from the incident face (); and an emission face () at the upper end of the lens body (), emitting the light, having reached from the incident face () and the reflection face (), to the outside, and the incident face () distributes the light, which could be directed toward the entire region of the reflection face (), only in a predetermined range () within the reflection face, being adjacent to the upper end side portion, following the emission face (), and being closer to the bottom apex part.