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Novel arrangement of light-slits to improve a phase-detection ability for the on-sensor PDAF [Patent]

NIKON filed patent of novel arrangement of slits to improve a phase-detection ability on a heavily defocused image for the on-sensor PDAF.

Most pixels are split into several sub-pixels for an accurate phase-detection, but some special pixels have single light-slit with novel arrangement to help phase-detection for a heavily defocused image.

【公開番号】特開2017-216578(P2017-216578A) click here
【公開日】平成29年12月7日(2017.12.7)
【発明の名称】撮像素子および電子カメラ

JPA_429216578_000005.gif
Structure of the normal pixel with sub-pixels.

JPA_429216578_000006.gif
Structure of pixel with light-slit, type NR, NL.

JPA_429216578_000007.gif
Structure of pixel with light-slit, type SR, SL.

JPA_429216578_000008.gif
Structure of pixel with light-slit, type LR, LL.

JPA_429216578_000011.gif
Arrangement of the special pixels on sensor.
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