Title:
IMAGING DEVICE, CAMERA MODULE, ELECTRONIC APPARATUS, AND IMAGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/153300
Kind Code:
A1
Abstract:
The present disclosure relates to: an imaging device which can correct, through optical correction rather than through correction by signal processing, a decrease in a peripheral light amount caused by the optical characteristics of a lens; a camera module; an electronic apparatus; and an imaging system. An optical block comprises a lens and a center gradation ND filter, and the ND filter makes the light transmittance of a peripheral section corresponding to at least the outer periphery of the lens greater than the light transmittance near the optical axis of the lens. The present disclosure can be applied to a biometric authentication system.
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Inventors:
KIMURA KATSUJI (JP)
OKANO HIDEAKI (JP)
OKANO HIDEAKI (JP)
Application Number:
PCT/JP2021/001415
Publication Date:
August 05, 2021
Filing Date:
January 18, 2021
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
SONY GROUP CORP (JP)
SONY GROUP CORP (JP)
International Classes:
H04N5/225; G02B5/00; G03B11/00
Foreign References:
| JP2006267692A | 2006-10-05 | |||
| JP2013152369A | 2013-08-08 | |||
| JPH1144802A | 1999-02-16 | |||
| JPS58103026U | 1983-07-13 | |||
| JP2000131781A | 2000-05-12 | |||
| JP2002214145A | 2002-07-31 |
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
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