US 11,810,928 B2
CMOS image sensor with LED flickering reduction and low color cross-talk
Duli Mao, Sunnyvale, CA (US); Bill Phan, San Jose, CA (US); Seong Yeol Mun, Santa Clara, CA (US); Yuanliang Liu, San Jose, CA (US); Alireza Bonakdar, San Jose, CA (US); Chengming Liu, Fremont, CA (US); and Zhiqiang Lin, Fremont, CA (US)
Assigned to OMNIVISION TECHNOLOGIES, INC., Santa Clara, CA (US)
Filed by OMNIVISION TECHNOLOGIES, INC., Santa Clara, CA (US)
Filed on May 17, 2021, as Appl. No. 17/322,536.
Prior Publication US 2022/0367542 A1, Nov. 17, 2022
Int. Cl. H01L 27/146 (2006.01)
CPC H01L 27/14605 (2013.01) [H01L 27/1465 (2013.01); H01L 27/14621 (2013.01); H01L 27/14623 (2013.01); H01L 27/14625 (2013.01); H01L 27/14627 (2013.01); H01L 27/14685 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image sensor, comprising:
a plurality of pixels arranged in rows and columns of a pixel array that is disposed in a semiconductor substrate, wherein each pixel comprises a plurality of large subpixels (LPDs) and at least one small subpixel (SPD); and
a plurality of color filters disposed over individual subpixels;
wherein each individual SPD is laterally adjacent to at least one other SPD.