CN114556170A - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
CN114556170A
CN114556170A CN202080071294.0A CN202080071294A CN114556170A CN 114556170 A CN114556170 A CN 114556170A CN 202080071294 A CN202080071294 A CN 202080071294A CN 114556170 A CN114556170 A CN 114556170A
Authority
CN
China
Prior art keywords
light
guide plate
light guide
lighting device
planar lighting
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.)
Pending
Application number
CN202080071294.0A
Other languages
English (en)
Chinese (zh)
Inventor
安达和正
吉垣畅彦
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
Publication of CN114556170A publication Critical patent/CN114556170A/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
CN202080071294.0A 2019-12-03 2020-10-20 面状照明装置 Pending CN114556170A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-218706 2019-12-03
JP2019218706A JP7250667B2 (ja) 2019-12-03 2019-12-03 面状照明装置
PCT/JP2020/039411 WO2021111749A1 (ja) 2019-12-03 2020-10-20 面状照明装置

Publications (1)

Publication Number Publication Date
CN114556170A true CN114556170A (zh) 2022-05-27

Family

ID=76220737

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080071294.0A Pending CN114556170A (zh) 2019-12-03 2020-10-20 面状照明装置

Country Status (3)

Country Link
JP (1) JP7250667B2 (ja)
CN (1) CN114556170A (ja)
WO (1) WO2021111749A1 (ja)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001084821A (ja) * 1999-09-10 2001-03-30 Enplas Corp 反射シート、面光源装置及び該面光源装置を備えた画像表示装置
WO2012086511A1 (ja) * 2010-12-24 2012-06-28 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
US20150277029A1 (en) * 2012-10-26 2015-10-01 Sharp Kabushiki Kaisha Backlight and display apparatus
US20170123145A1 (en) * 2015-10-30 2017-05-04 Lg Display Co., Ltd. Display device
JP2017204484A (ja) * 2017-08-09 2017-11-16 サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ 表示装置
JP2018120793A (ja) * 2017-01-26 2018-08-02 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
CN108870197A (zh) * 2017-05-11 2018-11-23 美蓓亚三美株式会社 面状照明装置
CN110068956A (zh) * 2018-01-24 2019-07-30 夏普株式会社 照明装置及显示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001084821A (ja) * 1999-09-10 2001-03-30 Enplas Corp 反射シート、面光源装置及び該面光源装置を備えた画像表示装置
WO2012086511A1 (ja) * 2010-12-24 2012-06-28 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
US20150277029A1 (en) * 2012-10-26 2015-10-01 Sharp Kabushiki Kaisha Backlight and display apparatus
US20170123145A1 (en) * 2015-10-30 2017-05-04 Lg Display Co., Ltd. Display device
JP2018120793A (ja) * 2017-01-26 2018-08-02 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
CN108870197A (zh) * 2017-05-11 2018-11-23 美蓓亚三美株式会社 面状照明装置
JP2017204484A (ja) * 2017-08-09 2017-11-16 サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ 表示装置
CN110068956A (zh) * 2018-01-24 2019-07-30 夏普株式会社 照明装置及显示装置

Also Published As

Publication number Publication date
JP2021089822A (ja) 2021-06-10
JP7250667B2 (ja) 2023-04-03
WO2021111749A1 (ja) 2021-06-10

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