WO2018198709A1 - Dispositif d'éclairage couleur à mélange de lumière - Google Patents

Dispositif d'éclairage couleur à mélange de lumière Download PDF

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Publication number
WO2018198709A1
WO2018198709A1 PCT/JP2018/014574 JP2018014574W WO2018198709A1 WO 2018198709 A1 WO2018198709 A1 WO 2018198709A1 JP 2018014574 W JP2018014574 W JP 2018014574W WO 2018198709 A1 WO2018198709 A1 WO 2018198709A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light color
mixing
lighting device
color mixer
Prior art date
Application number
PCT/JP2018/014574
Other languages
English (en)
Japanese (ja)
Inventor
川村　友人
拓馬 久野
駿 檜山
寿行 高岩
大地 酒井
黒田　敏裕
山口　正利
裕 川上
Original Assignee
日立化成株式会社
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 日立化成株式会社 filed Critical 日立化成株式会社
Publication of WO2018198709A1 publication Critical patent/WO2018198709A1/fr

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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
    • 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
    • F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
    • 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
    • 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 projection lens 34 is a general optical element having a lens function for projecting an image generated by the display device 32 to the outside.
  • the light emitted from the light emitting surfaces 6, 7, and 8 in the multiple wavelength light source 2 is mixed with the light color lighting device 21 and illuminated on the display device 32.
  • the image generated by the display device 32 is projected to the outside by the projection lens 34.
  • the reflector surface 49 is a paraboloid focusing on the center of the exit surface of the light color mixer 23. Since the reflector surface 49 is a parabolic surface, it has a function of improving directivity and improving efficiency, compared to a simple reflecting surface. The efficiency is improved by making the exit surface size of the housing 44 that emits the light reflected by the reflector surface through the polarizing film 24 larger than the exit surface of the light color mixer 3.
  • the polarizing film 24 is arranged in parallel with the direction perpendicular to the paper surface, but an angle may be given.
  • the reflection surfaces 86 and 87 of the casing 82 are arranged in parallel with the horizontal direction on the paper surface, an angle may be given. Needless to say, the angle may be set not only to be parallel but also to spread toward the polarizing film 24.
  • FIG. 16 is a schematic diagram of the light color mixing lighting apparatus in the present embodiment.
  • FIG. 16 shows a cross section of the light-mixing lighting device 101, and the light-mixing lighting device 101 includes a light-mixing unit 91 and an illumination lens 102.
  • FIG. 17 is a schematic diagram of the light color mixing portion 91 in the present embodiment.
  • 17A is a sectional view of the light color mixing portion 91
  • FIG. 17B is a perspective view.
  • the light color mixing unit 91 mainly includes a multiple wavelength light source 92, a light color mixer 93, a polarizing film 94, and a housing 95.
  • the light color mixer 93 includes a particle portion 96 and a transparent portion 97. Since the particle part 96 and the transparent part 97 have the same configuration as that of FIG. 4C of the first embodiment, description thereof is omitted. Moreover, since the polarizing film 94 is also the same as the polarizing film 4 of Example 1, the description is abbreviate
  • the casing 95 has a tunnel-like shape, and the material thereof is the same as that of the casing 5 of the first embodiment, so that the description thereof is omitted.
  • FIG. 19 is a functional block diagram of the light color mixing lighting apparatus 101 in the present embodiment.
  • red, green, and blue light is emitted from the light emitting surfaces 6, 7, and 8.
  • the emitted light enters the light color mixer 93.
  • Light incident on the light color mixer 93 is mixed.
  • a part of the P-polarized light mixed by the light color mixer 93 is transmitted through the polarizing film 94, the directivity is enhanced by the illumination lens 102, and is emitted and output to the outside.
  • a part of the S-polarized light is reflected by the polarizing film 94 and returned to the light color mixer 93 for recycling.
  • a part of the P-polarized light or S-polarized light that has entered the light color mixer 93 and mixed is returned to the multi-wavelength light source 92.
  • the light that has returned to the multi-wavelength light source 92 is reflected by the emission surface of the multi-wavelength light source 92 or other region, and then enters the light color mixer 93 again and is recycled.
  • the housing 95 a part of the P-polarized light and S-polarized light that has entered and mixed into the light color mixer 93 travels to the housing 95.
  • the light that has traveled to the housing 95 is reflected by the inner surface of the housing 95, enters the light color mixer 93 again, and is recycled.
  • the light emitted from the multi-wavelength light source 92 is converted into P-polarized light through various optical paths via the light color mixer 93 and is emitted from the polarizing film 94.
  • the light mixed illumination device 101 has a function of enhancing the directivity of light emitted from the polarizing film 94 with the illumination lens 102 and efficiently illuminating a predetermined region.
  • the multi-wavelength light source 92 having two light emitting surfaces 7 for emitting green light has been described. Of course, it may emit light of four different wavelengths.
  • the light emitting surfaces 6, 7, and 8 have the same size, but may have different sizes.
  • the outermost shape of the light emitting surface differs vertically and horizontally, the longitudinal direction of the light emitting surface and the longitudinal direction of the incident surface of the light color mixer are orthogonal to each other, so that light can be easily mixed.
  • a particle 10 made of a transparent material having a refractive index different from that of the transparent material is provided inside the light color mixer (for example, the light color mixer 9, 11, 31, 37, 83, 93).
  • the density of the particles provided inside the light color mixer (for example, the light color mixer 11, 37, 83, 93) is varied.
  • the density of the particles provided in the light color mixer (for example, the light color mixers 11, 37, 83, 93) is higher on the side farther from the multiple wavelength light source.
  • the light color mixer includes an emission surface that emits light, and a reflection surface that reflects light is provided outside the incident surface and the side surface other than the emission surface of the light color mixer.
  • a reflection surface that reflects light is provided outside the incident surface and the side surface other than the emission surface of the light color mixer.
  • it is the inner surface of the casing 5, 25, 44, 55, 72, 82, 95.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Planar Illumination Modules (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention a pour objet de produire un dispositif d'éclairage couleur de mélange de lumière pouvant mélanger efficacement, avec une configuration compacte, des couleurs de faisceaux lumineux émis à partir d'une source de lumière à longueurs d'onde multiples ayant une pluralité de sources de lumière émettant différentes longueurs d'onde. Afin d'atteindre l'objectif ci-dessus, l'invention concerne un dispositif d'éclairage couleur à mélange de lumière qui mélange des couleurs de faisceaux lumineux d'une pluralité de longueurs d'onde, le dispositif comprenant : une source de lumière à longueurs d'onde multiples ayant une pluralité de surfaces d'émission de lumière ; une unité de mélange de couleur de lumière ayant une fonction de mélange de couleurs d'une pluralité de faisceaux lumineux émis à partir de la source de lumière à longueurs d'onde multiples ; et un film de polarisation qui transmet la lumière avec une polarisation d'une orientation prédéfinie émise à partir de l'unité de mélange de couleur de lumière et réfléchit la lumière avec une autre polarisation, l'unité de mélange de couleur de lumière étant un corps en colonne rectangulaire formé d'un matériau transparent et étant conçue pour avoir une fonction de mélange de couleurs de faisceaux lumineux émis à partir de la source de lumière à longueurs d'onde multiples par réflexion interne et une fonction de conversion de l'orientation de polarisation.
PCT/JP2018/014574 2017-04-27 2018-04-05 Dispositif d'éclairage couleur à mélange de lumière WO2018198709A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-087998 2017-04-27
JP2017087998A JP2018186024A (ja) 2017-04-27 2017-04-27 光混色照明装置

Publications (1)

Publication Number Publication Date
WO2018198709A1 true WO2018198709A1 (fr) 2018-11-01

Family

ID=63919794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/014574 WO2018198709A1 (fr) 2017-04-27 2018-04-05 Dispositif d'éclairage couleur à mélange de lumière

Country Status (3)

Country Link
JP (1) JP2018186024A (fr)
TW (1) TW201842393A (fr)
WO (1) WO2018198709A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008153057A (ja) * 2006-12-18 2008-07-03 Citizen Electronics Co Ltd 光源ユニット、バックライトユニット及び表示装置
JP2011107248A (ja) * 2009-11-13 2011-06-02 Hitachi Displays Ltd 液晶表示装置
JP2013068923A (ja) * 2011-09-07 2013-04-18 Seiko Epson Corp プロジェクター
JP2014063614A (ja) * 2012-09-20 2014-04-10 Toshiba Corp 白色ｌｅｄ照明装置
JP2014191198A (ja) * 2013-03-27 2014-10-06 Citizen Finetech Miyota Co Ltd 反射型液晶表示装置
JP2016065909A (ja) * 2014-09-24 2016-04-28 日立化成株式会社 光積分器および、それを用いた映像投射装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008153057A (ja) * 2006-12-18 2008-07-03 Citizen Electronics Co Ltd 光源ユニット、バックライトユニット及び表示装置
JP2011107248A (ja) * 2009-11-13 2011-06-02 Hitachi Displays Ltd 液晶表示装置
JP2013068923A (ja) * 2011-09-07 2013-04-18 Seiko Epson Corp プロジェクター
JP2014063614A (ja) * 2012-09-20 2014-04-10 Toshiba Corp 白色ｌｅｄ照明装置
JP2014191198A (ja) * 2013-03-27 2014-10-06 Citizen Finetech Miyota Co Ltd 反射型液晶表示装置
JP2016065909A (ja) * 2014-09-24 2016-04-28 日立化成株式会社 光積分器および、それを用いた映像投射装置

Also Published As

Publication number Publication date
JP2018186024A (ja) 2018-11-22
TW201842393A (zh) 2018-12-01

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