JP7377025B2 - 検出装置 - Google Patents
検出装置 Download PDFInfo
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- JP7377025B2 JP7377025B2 JP2019154816A JP2019154816A JP7377025B2 JP 7377025 B2 JP7377025 B2 JP 7377025B2 JP 2019154816 A JP2019154816 A JP 2019154816A JP 2019154816 A JP2019154816 A JP 2019154816A JP 7377025 B2 JP7377025 B2 JP 7377025B2
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- light emitting
- emitting element
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- detection device
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Images
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02024—Position sensitive and lateral effect photodetectors; Quadrant photodiodes
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by at least one potential-jump barrier or surface barrier, e.g. phototransistors
- H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
- H01L31/102—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier
- H01L31/105—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier the potential barrier being of the PIN type
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
- H01L31/16—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources
- H01L31/167—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources the light sources and the devices sensitive to radiation all being semiconductor devices characterised by at least one potential or surface barrier
- H01L31/173—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources the light sources and the devices sensitive to radiation all being semiconductor devices characterised by at least one potential or surface barrier formed in, or on, a common substrate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/12—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with one sensor only
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- H01L27/144—Devices controlled by radiation
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- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of group III and group V of the periodic system
- H01L33/32—Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
Description
図1は、第1実施形態に係る検出装置の構成例を示すブロック図である。図1に示すように、検出装置1は、センサアレイ10と、センサ走査回路12と信号線選択回路14と、発光素子駆動回路16と、電源電圧制御回路18と、制御回路100と、メモリ102と、検出回路104と、を有する。
図12は、変形例に係る検出装置の、光電変換素子の駆動と、発光素子の点灯動作との関係を説明するための説明図である。図12に示すように、変形例に係る検出装置1において、時分割で、第1発光素子5R、第2発光素子5G、第3発光素子5Bが出射する。具体的には、第1発光素子5Rは、期間t11に、波長λr1の光を出射する。光電変換素子3は、期間t11及び期間t12に、波長λr1の光に基づいて被検出体を検出する。
図13は、第2実施形態に係る検出装置を模式的に示す断面図である。なお、以下の説明では、上述した実施形態で説明したものと同じ構成要素には同一の符号を付して重複する説明は省略する。
2 アレイ基板
3 光電変換素子
5、5A 発光素子
5R 第1発光素子
5G 第2発光素子
5B 第3発光素子
10 センサアレイ
12 センサ走査回路
14 信号線選択回路
16 発光素子駆動回路
18 電源電圧制御回路
21 基板
31 i型半導体層
32 n型半導体層
33 p型半導体層
51 半導体層
52 アノード端子
53 カソード端子
81 黒色部材
100 制御回路
102 メモリ
104 検出回路
210 駆動IC
GL 走査線
L1 アノード電源線
L2 駆動信号供給配線
L10 カソード電源線
SL 信号線
DRT 駆動トランジスタ
RST リセットトランジスタ
RDT 読出トランジスタ
GLT 行選択トランジスタ
Claims (10)
- 基板と、
前記基板に設けられ、照射された光に応じた検出信号を出力する複数の光電変換素子と、
前記基板に設けられた少なくとも1つ以上の発光素子と、
前記発光素子に流れる電流を制御することで、前記発光素子から出射される光の波長を設定する制御回路と、を有し、
前記制御回路は、前記発光素子から出射される異なる波長の光に基づいて、被検出体からの光の波長依存性を取得するように構成される
検出装置。 - 複数の前記光電変換素子に関する情報及び前記発光素子に関する情報を記憶するメモリを有し、
前記制御回路は、前記波長依存性に関する情報に基づいて、前記発光素子から出射される光の波長を設定し、前記メモリに記憶された複数の前記光電変換素子に関する情報及び前記発光素子に関する情報に基づいて、前記発光素子に供給する信号を設定するように構成される
請求項1に記載の検出装置。 - 前記制御回路からの制御信号に基づいて、前記発光素子のアノードに電源電位を供給する電源電圧制御回路と、
前記発光素子に対応して設けられた駆動トランジスタと、
前記制御回路からの制御信号に基づいて、前記駆動トランジスタに駆動信号を供給する発光素子駆動回路と、を有する
請求項1又は請求項2に記載の検出装置。 - 前記光電変換素子は、i型半導体層を含むPINダイオードであり、
前記PINダイオードの前記i型半導体層と同層に設けられた台座を有し、
前記発光素子は、前記台座の上に設けられる
請求項1から請求項3のいずれか1項に記載の検出装置。 - 前記基板に垂直な方向からの平面視で、前記台座の面積は、前記発光素子の面積よりも大きい
請求項4に記載の検出装置。 - 前記台座及び前記PINダイオードは、アモルファスシリコンで形成される
請求項4又は請求項5に記載の検出装置。 - 前記基板に設けられ、複数の前記光電変換素子のそれぞれに電気的に接続され、前記検出信号を検出回路に出力する読出トランジスタを有し、
前記読出トランジスタを覆う絶縁膜の上に前記台座が設けられる
請求項4から請求項6のいずれか1項に記載の検出装置。 - 複数の前記光電変換素子及び前記発光素子は、前記基板の第1主面の上に設けられる
請求項1から請求項7のいずれか1項に記載の検出装置。 - 複数の前記光電変換素子は、前記基板の第1主面の上側に設けられ、
前記発光素子は、前記第1主面と反対側の第2主面の下側に設けられ、
前記発光素子と重なり、かつ、前記光電変換素子と重ならない領域に、前記基板の前記第1主面と前記第2主面とを貫通する貫通孔が設けられる
請求項1から請求項3のいずれか1項に記載の検出装置。 - 前記発光素子は、窒化ガリウム系半導体層を含むLEDである
請求項1から請求項9のいずれか1項に記載の検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2019154816A JP7377025B2 (ja) | 2019-08-27 | 2019-08-27 | 検出装置 |
PCT/JP2020/026068 WO2021039116A1 (ja) | 2019-08-27 | 2020-07-02 | 検出装置 |
US17/650,718 US20220165891A1 (en) | 2019-08-27 | 2022-02-11 | Photo detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2019154816A JP7377025B2 (ja) | 2019-08-27 | 2019-08-27 | 検出装置 |
Publications (3)
Publication Number | Publication Date |
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JP2021034613A JP2021034613A (ja) | 2021-03-01 |
JP2021034613A5 JP2021034613A5 (ja) | 2022-08-18 |
JP7377025B2 true JP7377025B2 (ja) | 2023-11-09 |
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JP2019154816A Active JP7377025B2 (ja) | 2019-08-27 | 2019-08-27 | 検出装置 |
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US (1) | US20220165891A1 (ja) |
JP (1) | JP7377025B2 (ja) |
WO (1) | WO2021039116A1 (ja) |
Citations (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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