公开(公告)号：US20240176129A1

公开(公告)日：2024-05-30

申请号：US18193223

申请日：2023-03-30

Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES ,  STMicroelectronics (Crolles 2) SAS

Inventor： Sandrine VILLENAVE ,  Quentin ABADIE

IPC: G02B26/00 ,  G01J3/26 ,  G02B5/28

CPC classification number: G02B26/001 ,  G01J3/26 ,  G02B5/28

Abstract: The present description concerns an optical filter intended to be arranged in front of an image sensor comprising a plurality of pixels, the filter comprising, for each pixel, at least one resonant cavity comprising a transparent region having a first refraction index and laterally delimited by a reflective peripheral vertical wall, and at least one resonant element formed in said region.

公开(公告)号：US20240125992A1

公开(公告)日：2024-04-18

申请号：US18191550

申请日：2023-03-28

Applicant: STMicroelectronics (Crolles 2) SAS ,  COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Inventor： Quentin ABADIE ,  Sandrine VILLENAVE

IPC: G02B5/28 ,  G01J3/28

CPC classification number: G02B5/288 ,  G01J3/2823 ,  G01J2003/2826

Abstract: The present description concerns an optical filter intended to be arranged in front of an image sensor comprising a plurality of pixels, the filter comprising, for each pixel, a resonant cavity comprising a first transparent layer, interposed between second and third mirror layers, and a diffraction grating formed in the first layer, wherein at least one of the cavities has a different thickness than another cavity.

公开(公告)号：US20220406828A1

公开(公告)日：2022-12-22

申请号：US17840342

申请日：2022-06-14

Applicant: STMicroelectronics (Crolles 2) SAS

Inventor： Axel CROCHERIE ,  Sandrine VILLENAVE ,  Felix BARDONNET

IPC: H01L27/146 ,  G02B27/42

Abstract: The present disclosure relates to an image sensor comprising a first layer of photoelectric material and a diffraction grating located between said first layer and the face of the sensor configured to receive light rays.