JP7186247B2 - 周囲光検出器、検出器アレイ、および方法 - Google Patents
周囲光検出器、検出器アレイ、および方法 Download PDFInfo
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- JP7186247B2 JP7186247B2 JP2020572447A JP2020572447A JP7186247B2 JP 7186247 B2 JP7186247 B2 JP 7186247B2 JP 2020572447 A JP2020572447 A JP 2020572447A JP 2020572447 A JP2020572447 A JP 2020572447A JP 7186247 B2 JP7186247 B2 JP 7186247B2
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
- G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
- G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
- G01J2001/1663—Arrangements with two photodetectors, the signals of which are compared two detectors of different sensitivity
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- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/4406—Plural ranges in circuit, e.g. switchable ranges; Adjusting sensitivity selecting gain values
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- G—PHYSICS
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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- G01J1/44—Electric circuits
- G01J2001/4446—Type of detector
- G01J2001/446—Photodiode
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Description
本出願は、米国特許出願第16/024,437号の優先権を主張し、この文書の開示内容は参照により本明細書に組み込まれている。
Claims (12)
- 周囲光センサであって、
第1の複数のセンサ素子であって、各センサ素子が、照明のレベルに応えて信号を提供するように構成されている、前記第1の複数のセンサ素子、および、
第2の複数の基準素子であって、各基準素子が、基準信号を提供するように構成されており、各々が、それぞれの基準素子が照らされるのを遮るように構成されている遮蔽要素を備えている、前記第2の複数の基準素子、
を備えており、
前記第1の複数のセンサ素子の各センサ素子の信号から、前記第2の複数の基準素子の各基準素子の基準信号が差し引かれ、
前記第1の複数が前記第2の複数より大きく、前記第1の複数のセンサ素子および前記第2の複数の基準素子がアレイ状に配置されており、
センサ素子および基準素子が、共通層基板に、横方向に配置されており、少なくとも1つの共通の第1のコンタクトを共有しており、
前記周囲光センサの上面視において、前記遮蔽要素が、前記それぞれの基準素子より大きい、
周囲光センサ。 - 前記基準素子のための第2のコンタクトが、前記遮蔽要素の側の前記基準素子の表面に配置されている、請求項1に記載の周囲光センサ。
- 前記センサ素子のための第2のコンタクトが、前記遮蔽要素の側の前記センサ素子の表面に配置されている、請求項1または請求項2に記載の周囲光センサ。
- 前記共通のコンタクトが、前記遮蔽要素とは反対側の前記共通層基板の表面に配置されている、請求項1から請求項3のいずれか1項に記載の周囲光センサ。
- 前記センサ素子のための前記第2のコンタクトおよび/または前記基準素子のための前記第2のコンタクトが、前記遮蔽要素とは反対側の共通層基板の表面に配置されている、請求項2に記載の周囲光センサ。
- 前記遮蔽要素が、前記第1の複数のセンサ素子のうち前記基準素子に隣接するセンサ素子の一部の上方に延びている、請求項1から請求項5のいずれか1項に記載の周囲光センサ。
- 前記遮蔽要素によって覆われている前記センサ素子の部分が、前記センサ素子の総センサ領域の5%と50%の間である、請求項6に記載の周囲光センサ。
- 前記第1の複数が前記第2の複数の4倍である、請求項1から請求項7のいずれか1項に記載の周囲光センサ。
- 前記センサ素子および前記基準素子が、それぞれ、p型ドープ層と、n型ドープ層と、照らされているときに前記信号を生成するように構成されている、前記p型ドープ層と前記n型ドープ層との間の活性領域と、を備えている、請求項1から請求項8のいずれか1項に記載の周囲光センサ。
- 前記センサ素子および/または前記基準素子が、それぞれ、井戸であって、前記井戸と前記共通層基板との間に活性層を形成するように前記共通層基板内に配置されている、前記井戸、を備えている、請求項1から請求項9のいずれか1項に記載の周囲光センサ。
- 前記遮蔽要素が、前記基準素子の主面から距離をおいて配置されている、請求項1から請求項10のいずれか1項に記載の周囲光センサ。
- アレイの縁部に沿ったセンサ素子と基準素子の比が、前記第1の複数と前記第2の複数の比に一致するように、前記センサ素子および前記基準素子がアレイ状に配置されている、請求項1から請求項10のいずれか1項に記載の周囲光センサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US16/024,437 | 2018-06-29 | ||
US16/024,437 US10852182B2 (en) | 2018-06-29 | 2018-06-29 | Ambient light detector, detector array and method |
PCT/EP2019/067389 WO2020002629A2 (en) | 2018-06-29 | 2019-06-28 | Ambient light detector, detector array and method |
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JP2021528653A JP2021528653A (ja) | 2021-10-21 |
JP7186247B2 true JP7186247B2 (ja) | 2022-12-08 |
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US (2) | US10852182B2 (ja) |
JP (1) | JP7186247B2 (ja) |
CN (1) | CN112352141A (ja) |
DE (1) | DE112019003270T5 (ja) |
WO (1) | WO2020002629A2 (ja) |
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TWM575241U (zh) * | 2018-11-28 | 2019-03-01 | 奇高電子股份有限公司 | 環境光感測器 |
JP2022026007A (ja) * | 2020-07-30 | 2022-02-10 | 株式会社ジャパンディスプレイ | 検出装置及び光フィルタ |
US11842560B1 (en) * | 2023-05-24 | 2023-12-12 | Himax Technologies Limited | Fingerprint sensing circuit |
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- 2019-06-28 JP JP2020572447A patent/JP7186247B2/ja active Active
- 2019-06-28 DE DE112019003270.4T patent/DE112019003270T5/de active Pending
- 2019-06-28 WO PCT/EP2019/067389 patent/WO2020002629A2/en active Application Filing
- 2019-06-28 CN CN201980044000.2A patent/CN112352141A/zh active Pending
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US11199442B2 (en) | 2021-12-14 |
CN112352141A (zh) | 2021-02-09 |
JP2021528653A (ja) | 2021-10-21 |
US20200003614A1 (en) | 2020-01-02 |
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