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:
Sep. 08, 2020
Filed:
Feb. 20, 2019
Vanguard International Semiconductor Corporation, Hsinchu, TW;
Hsin-Hui Lee, Kaohsiung, TW;
Han-Liang Tseng, Hsinchu, TW;
Jiunn-Liang Yu, Taipei, TW;
Kwang-Ming Lin, Taichung, TW;
Yin Chen, Hsinchu, TW;
Si-Twan Chen, Jhubei, TW;
Hsueh-Jung Lin, Jhubei, TW;
Wen-Chih Lu, New Taipei, TW;
Ting-Jung Lu, Taoyuan, TW;
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION, Hsinchu, TW;
Abstract
An optical sensor includes pixels disposed in a substrate and a light collimating layer disposed on the substrate. The light collimating layer includes a first light-shielding layer, first transparent pillars, a second light-shielding layer, and second transparent pillars. The first light-shielding layer is disposed on the substrate. The first transparent pillars through the first light-shielding layer are correspondingly disposed on the pixels. The second light-shielding layer is disposed on the first light-shielding layer and the first transparent pillars. The second transparent pillars through the second light-shielding layer are correspondingly disposed on the first transparent pillars. The top surface area of each of the first transparent pillars is not equal to the bottom surface area of each of the second transparent pillars.