Title:
PHOTODETECTION ELEMENT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/195286
Kind Code:
A1
Abstract:
A photodetection element according to the present disclosure is provided with a plurality of photoelectric conversion portions, a color splitter layer (42), and a plurality of light-collecting portions (43). The plurality of photoelectric conversion portions are arranged in a matrix in a semiconductor layer (20). The color splitter layer (42) is disposed on the light entry side of the plurality of photoelectric conversion portions, and includes a low-refraction index layer (42a) and a plurality of columnar high-refraction index portions (42b). The plurality of light-collecting portions (43) are disposed on the light entry side of the color splitter layer (42), and respectively collect entry light to the corresponding high refraction index portions (42b).
Inventors:
TAKASE HIROAKI (JP)
YOKOCHI KAITO (JP)
MIYATA KOJI (JP)
TAKAHASHI SEIKI (JP)
OGASAHARA TAKAYUKI (JP)
YOKOCHI KAITO (JP)
MIYATA KOJI (JP)
TAKAHASHI SEIKI (JP)
OGASAHARA TAKAYUKI (JP)
Application Number:
PCT/JP2023/008458
Publication Date:
October 12, 2023
Filing Date:
March 07, 2023
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H01L27/146; G01J1/02; G01J1/04; H01L31/0232; H05B33/02; H10K50/00; H10K59/00
Domestic Patent References:
| WO2009019818A1 | 2009-02-12 | |||
| WO2009153937A1 | 2009-12-23 | |||
| WO2014061173A1 | 2014-04-24 |
Foreign References:
| JP2019184986A | 2019-10-24 | |||
| US20160054172A1 | 2016-02-25 | |||
| US20160351616A1 | 2016-12-01 | |||
| JP2017063198A | 2017-03-30 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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