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. 20, 2017
Filed:
Apr. 21, 2016
Siliconfile Technologies Inc., Gyeonggi-do, KR;
Jae Young Park, Gyeonggi-do, KR;
Won Ho Lee, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A 4-color pixel image sensor having a visible color noise reduction function in a near infrared ray (NIR) pixel may include an active pixel region having a plurality of photodiodes, a plurality of first metal layers, a plurality of color filters, a first NIR pixel and a micro-lens, which are stacked, wherein the plurality of photodiodes are arranged in series and the plurality of color filters are formed to be adjacent to each other in series; an NIR optical black pixel region having a plurality of photodiodes and a second NIR pixel, which are stacked, wherein the plurality of photodiodes are arranged in series; and a visible optical black pixel region having a plurality of photodiodes, a second metal layer, a plurality of color filters and a micro-lens, which are stacked, wherein the plurality of photodiodes are arranged in series, and the plurality of color filters are formed to be adjacent to each other in series, wherein the active pixel region, the NIR optical black pixel region and the visible optical black pixel region are arranged on a same substrate in series.