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. 09, 2021
Filed:
Dec. 28, 2018
Vanguard International Semiconductor Corporation, Hsinchu, TW;
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION, Hsinchu, TW;
Abstract
An optical sensor includes a substrate and a light collimating layer. The substrate includes a sensor pixel array having a plurality of sensor pixels. The light collimating layer is disposed on the substrate. The light collimating layer includes a patterned seed layer, a plurality of transparent pillars, a metal layer, and a mask layer. The patterned seed layer is disposed on the substrate. The patterned seed layer exposes the sensor pixel array. The transparent pillars are disposed on the sensor pixel array. The metal layer is disposed on the patterned seed layer and in between the transparent pillars. The mask layer is disposed on the metal layer.