WO2018198201A1 - Dispositif de source de lumière à semi-conducteurs et dispositif de projecteur - Google Patents

Dispositif de source de lumière à semi-conducteurs et dispositif de projecteur Download PDF

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Publication number
WO2018198201A1
WO2018198201A1 PCT/JP2017/016400 JP2017016400W WO2018198201A1 WO 2018198201 A1 WO2018198201 A1 WO 2018198201A1 JP 2017016400 W JP2017016400 W JP 2017016400W WO 2018198201 A1 WO2018198201 A1 WO 2018198201A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
phosphor
light source
excitation light
phosphor layer
Prior art date
Application number
PCT/JP2017/016400
Other languages
English (en)
Japanese (ja)
Inventor
平田　浩二
涼 野村
康彦 國井
Original Assignee
マクセル株式会社
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 マクセル株式会社 filed Critical マクセル株式会社
Priority to JP2019514923A priority Critical patent/JP6926200B2/ja
Priority to PCT/JP2017/016400 priority patent/WO2018198201A1/fr
Publication of WO2018198201A1 publication Critical patent/WO2018198201A1/fr
Priority to JP2021128480A priority patent/JP7228010B2/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details

Definitions

  • the headlight device 1000 shown in FIG. 1 basically has a visible light illumination unit 10 that is a light source device, and the illumination light emitted from the illumination unit in the front space of the vehicle 1, And an optical system for irradiating the road surface on which the vehicle 1 travels, and includes a so-called projector lens 51.
  • the projection optical property may be configured by using the reflection mirror 60, or the projector lens 51 and the reflection mirror 60 are both configured as shown in FIG. By doing so, the distribution of the irradiation light on the road surface may be controlled with high accuracy, and the volume of the entire headlight device may be reduced.
  • the inventors changed the configuration of the phosphor layer to the configuration according to the prior art in which a gap exists between the phosphor 19 and the binder 23 shown in FIGS. 11 and 12, as shown in FIGS. 7 and 8.
  • the phosphor 19 and the binder 23 are baked to prevent reflection at the phosphor / vacuum (or air) interface.
  • the illumination optical system 100 that uniformly illuminates the liquid crystal panel 60, which is an image display element, includes the above-described visible light illumination unit 10 composed of a solid-state light emitting element that emits substantially white light, and first and second lenses that constitute an optical integrator.
  • the arrays 21 and 22, the polarization conversion element 25, and a condenser lens (superimposing lens) 27 are included.
  • This polarization conversion integrator is an optical integrator that realizes uniform illumination composed of a first array lens 21 and a second array lens 22, and polarization for converting light into a linearly polarized light by aligning the polarization direction of the light with a predetermined polarization direction.
  • a polarization conversion element 25 comprising a beam splitter array. That is, in the polarization conversion integrator described above, the light from the second array lens 22 is aligned by the polarization conversion element 25 in a predetermined polarization direction, for example, X polarization of linearly polarized light.
  • FIG. 4 is a diagram for explaining the principle of the light source unit 10 of the vehicle projector as another configuration of the solid-state light source device which is one of the embodiments of the present invention.
  • the unit 10 includes a semiconductor laser element group 110 in which a plurality of semiconductor laser elements or light emitting diodes that emit light in a blue band (B color), which is a light source of a solid state element, are arranged on a substantially disk-shaped substrate,
  • a reflecting mirror (reflector) 130 provided with a paraboloid, which is disposed to be inclined at an angle of approximately 45 degrees so as to face the laser light emitting surface of the element group 110, and rotates in the vicinity of the focal point (F) of the reflecting mirror.
  • a disk (wheel) member 140 is provided, and driving means for rotating the member at a desired rotational speed, for example, an electric motor 150 is provided.
  • Outgoing side polarizing plate 100 ... Illumination optical system, 200 ... Photosynthesis prism, 300 ... Projection lens, 500 ... Optical unit, 550 ... Base, 560 ... Power supply circuit, 570 ... Drive circuit, 580 ... LED collimator unit outside cooling fan, 51 ... Projector lens, 60 ... Reflection mirror

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Filters (AREA)
  • Projection Apparatus (AREA)

Abstract

La présente invention concerne un dispositif de source de lumière permettant d'exciter un luminophore par l'intermédiaire d'une lumière d'excitation et d'obtenir une lumière souhaitée, une efficacité de conversion de lumière élevée étant obtenue. Afin d'exposer efficacement le luminophore à une lumière d'excitation provenant d'une source de lumière d'excitation permettant d'obtenir une lumière de source de lumière avec une efficacité élevée dans un dispositif de source de lumière, un film antireflet est disposé sur la surface d'une couche de luminophore, la lumière d'excitation est polarisée p, la réflexion au niveau de la couche de luminophore est réduite, et la zone de réception de lumière est accrue, moyennant quoi l'efficacité de refroidissement est améliorée et l'efficacité de conversion de lumière est améliorée. En outre, afin de réduire considérablement la densité de vides entre un liant et un luminophore constituant la couche de luminophore, le luminophore et le liant sont cuits, ce qui permet d'obtenir une structure dans laquelle la réflexion au niveau de l'interface entre le luminophore et un vide (ou de l'air) est évitée. Une partie de rainure est disposée sur une structure sur laquelle est disposée la couche de luminophore. L'ouverture de la partie de rainure se présente sous une forme transversale dans laquelle une partie ou la totalité de l'ouverture devient plus petite vers la direction de profondeur par rapport à la direction transversale illustrée. Un film réfléchissant ayant une réflectivité de lumière visible d'au moins 90 % est disposé au niveau de la surface de contact entre la structure et le luminophore, moyennant quoi la lumière capturée peut être émise dans une direction souhaitée. Il est ainsi possible d'améliorer l'efficacité d'utilisation de la lumière dans des systèmes optiques d'éclairage.
PCT/JP2017/016400 2017-04-25 2017-04-25 Dispositif de source de lumière à semi-conducteurs et dispositif de projecteur WO2018198201A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019514923A JP6926200B2 (ja) 2017-04-25 2017-04-25 ヘッドライト装置
PCT/JP2017/016400 WO2018198201A1 (fr) 2017-04-25 2017-04-25 Dispositif de source de lumière à semi-conducteurs et dispositif de projecteur
JP2021128480A JP7228010B2 (ja) 2017-04-25 2021-08-04 固体光源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/016400 WO2018198201A1 (fr) 2017-04-25 2017-04-25 Dispositif de source de lumière à semi-conducteurs et dispositif de projecteur

Publications (1)

Publication Number Publication Date
WO2018198201A1 true WO2018198201A1 (fr) 2018-11-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/016400 WO2018198201A1 (fr) 2017-04-25 2017-04-25 Dispositif de source de lumière à semi-conducteurs et dispositif de projecteur

Country Status (2)

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JP (2) JP6926200B2 (fr)
WO (1) WO2018198201A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011165555A (ja) * 2010-02-12 2011-08-25 Hitachi Consumer Electronics Co Ltd 固体光源装置
JP2012190628A (ja) * 2011-03-10 2012-10-04 Stanley Electric Co Ltd 光源装置および照明装置
JP2012243617A (ja) * 2011-05-20 2012-12-10 Stanley Electric Co Ltd 光源装置および照明装置
JP2015050124A (ja) * 2013-09-03 2015-03-16 スタンレー電気株式会社 発光装置
JP2017041353A (ja) * 2015-08-19 2017-02-23 セイコーエプソン株式会社 波長変換素子、光源装置、プロジェクター及び波長変換素子の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015111145A1 (fr) 2014-01-22 2015-07-30 日立マクセル株式会社 Dispositif de source lumineuse et dispositif d'affichage d'image l'utilisant
WO2016027373A1 (fr) 2014-08-22 2016-02-25 日立マクセル株式会社 Appareil à source lumineuse, lampe de véhicule et procédé de réglage de chromaticité pour appareil à source lumineuse
JP6432559B2 (ja) 2016-05-17 2018-12-05 カシオ計算機株式会社 蛍光体デバイス、照明装置及びプロジェクタ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011165555A (ja) * 2010-02-12 2011-08-25 Hitachi Consumer Electronics Co Ltd 固体光源装置
JP2012190628A (ja) * 2011-03-10 2012-10-04 Stanley Electric Co Ltd 光源装置および照明装置
JP2012243617A (ja) * 2011-05-20 2012-12-10 Stanley Electric Co Ltd 光源装置および照明装置
JP2015050124A (ja) * 2013-09-03 2015-03-16 スタンレー電気株式会社 発光装置
JP2017041353A (ja) * 2015-08-19 2017-02-23 セイコーエプソン株式会社 波長変換素子、光源装置、プロジェクター及び波長変換素子の製造方法

Also Published As

Publication number Publication date
JP6926200B2 (ja) 2021-08-25
JP7228010B2 (ja) 2023-02-22
JP2021193667A (ja) 2021-12-23
JPWO2018198201A1 (ja) 2019-12-19

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