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:
Jun. 11, 2019
Filed:
Nov. 28, 2017
Hangzhou Meidikai Opto Electronics Co.,ltd, Hangzhou, CN;
Wenzhi Ge, Hangzhou, CN;
Yiwei Wang, Suzhou, CN;
Hirokazu Yajima, Tokyo, JP;
Ching Sheng Weng, Miaoli, TW;
HANGZHOU MEIDIKAI OPTO ELECTRONICS CO., LTD., Hangzhou, CN;
Abstract
The present invention discloses a coated narrow-band filter having an absorbent material. Two sides of the substrate are respectively an A-side and a B-side, a cut-off layer is coated or screen printed on the A-side, wherein lights having a wavelength within a first band are allowed to pass through the cut-off layer. The substrate is an absorbent layer, or an absorbent layer is provided on the B-side of the substrate. The absorbent layer is made of an absorbent material, lights having a wavelength within a second band are allowed to pass through the absorbent layer. The first band partially overlaps with the second band. For processing convenience, the coated narrow-band filter having an absorbent material is provided at different angles and with small angle of incidence.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile