JP7089168B2 - 発光モジュール - Google Patents

発光モジュール Download PDF

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Publication number
JP7089168B2
JP7089168B2 JP2018082776A JP2018082776A JP7089168B2 JP 7089168 B2 JP7089168 B2 JP 7089168B2 JP 2018082776 A JP2018082776 A JP 2018082776A JP 2018082776 A JP2018082776 A JP 2018082776A JP 7089168 B2 JP7089168 B2 JP 7089168B2
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Japan
Prior art keywords
transistor
potential
resistance
reference potential
light emitting
Prior art date
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Active
Application number
JP2018082776A
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English (en)
Japanese (ja)
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JP2019192744A (ja
JP2019192744A5 (https=
Inventor
拓也 鈴木
孝志 向井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nichia Corp
Original Assignee
Nichia Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nichia Corp filed Critical Nichia Corp
Priority to JP2018082776A priority Critical patent/JP7089168B2/ja
Priority to EP19170062.4A priority patent/EP3561971B1/en
Priority to US16/390,000 priority patent/US10670223B2/en
Priority to CN201910334075.6A priority patent/CN110397896B/zh
Publication of JP2019192744A publication Critical patent/JP2019192744A/ja
Priority to US16/856,051 priority patent/US10876705B2/en
Publication of JP2019192744A5 publication Critical patent/JP2019192744A5/ja
Application granted granted Critical
Publication of JP7089168B2 publication Critical patent/JP7089168B2/ja
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/70—Prevention of harmful light leakage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0457—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0087—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for illuminating phosphorescent or fluorescent materials, e.g. using optical arrangements specifically adapted for guiding or shaping laser beams illuminating these materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/0225—Out-coupling of light
    • H01S5/02257—Out-coupling of light using windows, e.g. specially adapted for back-reflecting light to a detector inside the housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/30—Semiconductor lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/0225—Out-coupling of light
    • H01S5/02255—Out-coupling of light using beam deflecting elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/30—Structure or shape of the active region; Materials used for the active region
    • H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
    • H01S5/323—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/32308—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm
    • H01S5/32341—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm blue laser based on GaN or GaP

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Semiconductor Lasers (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2018082776A 2018-04-24 2018-04-24 発光モジュール Active JP7089168B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018082776A JP7089168B2 (ja) 2018-04-24 2018-04-24 発光モジュール
EP19170062.4A EP3561971B1 (en) 2018-04-24 2019-04-18 Light emitting module
US16/390,000 US10670223B2 (en) 2018-04-24 2019-04-22 Light emitting module
CN201910334075.6A CN110397896B (zh) 2018-04-24 2019-04-24 发光模块
US16/856,051 US10876705B2 (en) 2018-04-24 2020-04-23 Light emitting module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018082776A JP7089168B2 (ja) 2018-04-24 2018-04-24 発光モジュール

Publications (3)

Publication Number Publication Date
JP2019192744A JP2019192744A (ja) 2019-10-31
JP2019192744A5 JP2019192744A5 (https=) 2021-05-13
JP7089168B2 true JP7089168B2 (ja) 2022-06-22

Family

ID=66239799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018082776A Active JP7089168B2 (ja) 2018-04-24 2018-04-24 発光モジュール

Country Status (4)

Country Link
US (2) US10670223B2 (https=)
EP (1) EP3561971B1 (https=)
JP (1) JP7089168B2 (https=)
CN (1) CN110397896B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10587090B1 (en) * 2015-12-31 2020-03-10 Soraa Laser Diode, Inc. Safe laser light
US11002414B2 (en) * 2018-08-09 2021-05-11 Sharp Kabushiki Kaisha Light source device
CN110175499B (zh) * 2018-10-15 2024-09-03 华为技术有限公司 光学元件及其监测系统和方法、主动发光模组、终端
TWI701882B (zh) * 2018-11-08 2020-08-11 晶智達光電股份有限公司 雷射元件
CN114788103A (zh) * 2019-12-17 2022-07-22 ams传感器亚洲私人有限公司 光电模块
JP7562071B2 (ja) 2021-01-27 2024-10-07 日亜化学工業株式会社 発光モジュール

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012124522A1 (ja) 2011-03-15 2012-09-20 シャープ株式会社 発光装置、照明装置、前照灯および車両
JP2017213980A (ja) 2016-05-31 2017-12-07 シャープ株式会社 照明装置、及び、レーザ素子の駆動方法
US20180054256A1 (en) 2016-08-22 2018-02-22 Osram Gmbh Monitoring an optical converter

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Publication number Priority date Publication date Assignee Title
JPS5943587A (ja) * 1982-09-03 1984-03-10 Canon Inc 半導体レ−ザ−の駆動方式
JPS6459878A (en) 1987-08-31 1989-03-07 Matsushita Electric Industrial Co Ltd Semiconductor laser protective circuit
JPH07193540A (ja) 1993-12-27 1995-07-28 Matsushita Electric Ind Co Ltd 光送信器
JP4946737B2 (ja) * 2007-09-03 2012-06-06 セイコーエプソン株式会社 光源装置、照明装置、モニタ装置及び画像表示装置
JP5452539B2 (ja) 2011-04-14 2014-03-26 三菱電機株式会社 光源点灯装置及び照明器具
JP6091926B2 (ja) 2013-02-27 2017-03-08 スタンレー電気株式会社 半導体発光装置
CN104061446B (zh) * 2013-03-21 2018-04-03 优志旺电机株式会社 激光光源装置
JP6202313B2 (ja) 2013-09-20 2017-09-27 カシオ計算機株式会社 蛍光発光装置及びプロジェクタ
JP6302706B2 (ja) 2014-03-05 2018-03-28 株式会社小糸製作所 車両用灯具およびその駆動装置
JP2016092288A (ja) 2014-11-07 2016-05-23 スタンレー電気株式会社 光源装置及びこれを用いた照明装置
JP2016177923A (ja) * 2015-03-19 2016-10-06 ウシオ電機株式会社 蛍光光源装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012124522A1 (ja) 2011-03-15 2012-09-20 シャープ株式会社 発光装置、照明装置、前照灯および車両
JP2017213980A (ja) 2016-05-31 2017-12-07 シャープ株式会社 照明装置、及び、レーザ素子の駆動方法
US20180054256A1 (en) 2016-08-22 2018-02-22 Osram Gmbh Monitoring an optical converter

Also Published As

Publication number Publication date
EP3561971B1 (en) 2022-10-26
US20200248885A1 (en) 2020-08-06
US20190323678A1 (en) 2019-10-24
CN110397896A (zh) 2019-11-01
EP3561971A3 (en) 2019-11-20
CN110397896B (zh) 2023-01-10
JP2019192744A (ja) 2019-10-31
US10876705B2 (en) 2020-12-29
EP3561971A2 (en) 2019-10-30
US10670223B2 (en) 2020-06-02

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