US 12,395,754 B2
Minimal repeating unit having reduced blooming effect of clear pixels
Ryuji Tomita, Yokohama (JP); and Shunsuke Suzuki, Tokyo (JP)
Assigned to OmniVision Technologies, Inc., Santa Clara, CA (US)
Filed by OmniVision Technologies, Inc., Santa Clara, CA (US)
Filed on Nov. 6, 2023, as Appl. No. 18/502,159.
Prior Publication US 2025/0150729 A1, May 8, 2025
Int. Cl. H04N 25/621 (2023.01); H04N 25/11 (2023.01); H10F 39/18 (2025.01)
CPC H04N 25/621 (2023.01) [H04N 25/11 (2023.01); H10F 39/182 (2025.01); H10F 39/186 (2025.01)] 3 Claims
OG exemplary drawing
 
1. An image sensor comprising a pixel array having a color filter array including a minimal repeating unit, wherein the minimal repeating unit consists of 4×4 pixels including 2 red pixels, 4 green pixels, 2 blue pixels, and 8 clear pixels;
wherein the minimal repeating unit is:
 
 
 
 C X1 C X2
 
 X3 C X4 C
 
 X5 C X6 C
 
 C X7 C X8,
 
 
wherein C is clear pixel, and each of X1, X2, X3, X4, X5, X6, X7, and X8 is one of red, green, and blue pixels; and
wherein X1, X2, X3, X4, X5, X6, X7, and X8 include 2 red pixels, 4 green pixels, and 2 blue pixels.