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:
Nov. 16, 2021
Filed:
May. 23, 2019
Shenzhen Goodix Technology Co., Ltd., Guangdong, CN;
Meng-Ta Yang, Taipei, TW;
SHENZHEN GOODIX TECHNOLOGY CO., LTD., Guangdong, CN;
Abstract
Present disclosure provides a pixel for receiving an incident light, the pixel including a semiconductor substrate, a photo diode in the semiconductor substrate, and a metasurface structure over the semiconductor substrate. The metasurface structure has a first side and a second side opposite to the first side, the first side of the metasurface structure facing the semiconductor substrate, the second side of the metasurface structure facing the incident light. The metasurface structure includes a plurality of trenches at the second side, wherein the plurality of trenches have a same profile from a cross-sectional view.