JP7307009B2 - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
JP7307009B2
JP7307009B2 JP2020030444A JP2020030444A JP7307009B2 JP 7307009 B2 JP7307009 B2 JP 7307009B2 JP 2020030444 A JP2020030444 A JP 2020030444A JP 2020030444 A JP2020030444 A JP 2020030444A JP 7307009 B2 JP7307009 B2 JP 7307009B2
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JP
Japan
Prior art keywords
light
emitting surface
light source
light sources
lighting device
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2020030444A
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English (en)
Japanese (ja)
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JP2021136117A (ja
JP2021136117A5 (https=
Inventor
銀河 伊藤
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.)
MinebeaMitsumi Inc
Original Assignee
MinebeaMitsumi Inc
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 MinebeaMitsumi Inc filed Critical MinebeaMitsumi Inc
Priority to JP2020030444A priority Critical patent/JP7307009B2/ja
Priority to PCT/JP2021/002725 priority patent/WO2021171878A1/ja
Publication of JP2021136117A publication Critical patent/JP2021136117A/ja
Publication of JP2021136117A5 publication Critical patent/JP2021136117A5/ja
Application granted granted Critical
Publication of JP7307009B2 publication Critical patent/JP7307009B2/ja
Active legal-status Critical Current
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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
    • F21V7/00—Reflectors for light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
    • F21Y2105/14—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the overall shape of the two-dimensional [2D] array
    • F21Y2105/18—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the overall shape of the two-dimensional [2D] array annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
    • 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
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2020030444A 2020-02-26 2020-02-26 面状照明装置 Active JP7307009B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020030444A JP7307009B2 (ja) 2020-02-26 2020-02-26 面状照明装置
PCT/JP2021/002725 WO2021171878A1 (ja) 2020-02-26 2021-01-27 面状照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020030444A JP7307009B2 (ja) 2020-02-26 2020-02-26 面状照明装置

Publications (3)

Publication Number Publication Date
JP2021136117A JP2021136117A (ja) 2021-09-13
JP2021136117A5 JP2021136117A5 (https=) 2023-01-04
JP7307009B2 true JP7307009B2 (ja) 2023-07-11

Family

ID=77490436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020030444A Active JP7307009B2 (ja) 2020-02-26 2020-02-26 面状照明装置

Country Status (2)

Country Link
JP (1) JP7307009B2 (https=)
WO (1) WO2021171878A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024034296A1 (ja) * 2022-08-09 2024-02-15 ミネベアミツミ株式会社 面状照明装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012256572A (ja) 2011-06-10 2012-12-27 Toshiba Lighting & Technology Corp 照明装置
JP2013143239A (ja) 2012-01-10 2013-07-22 Sharp Corp Ｌｅｄバックライト装置および液晶表示装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5079635B2 (ja) * 2008-08-20 2012-11-21 シャープ株式会社 照明機器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012256572A (ja) 2011-06-10 2012-12-27 Toshiba Lighting & Technology Corp 照明装置
JP2013143239A (ja) 2012-01-10 2013-07-22 Sharp Corp Ｌｅｄバックライト装置および液晶表示装置

Also Published As

Publication number Publication date
JP2021136117A (ja) 2021-09-13
WO2021171878A1 (ja) 2021-09-02

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