CN115280062A - 棱镜片和使用了该棱镜片的照明装置 - Google Patents

棱镜片和使用了该棱镜片的照明装置 Download PDF

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Publication number
CN115280062A
CN115280062A CN202180020187.XA CN202180020187A CN115280062A CN 115280062 A CN115280062 A CN 115280062A CN 202180020187 A CN202180020187 A CN 202180020187A CN 115280062 A CN115280062 A CN 115280062A
Authority
CN
China
Prior art keywords
prism sheet
prism
prism array
array
guide plate
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
CN202180020187.XA
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English (en)
Chinese (zh)
Inventor
长谷川诚
铃木延幸
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.)
Japan Display Inc
Original Assignee
Japan Display 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 Japan Display Inc filed Critical Japan Display Inc
Publication of CN115280062A publication Critical patent/CN115280062A/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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
CN202180020187.XA 2020-04-15 2021-02-02 棱镜片和使用了该棱镜片的照明装置 Pending CN115280062A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020072757 2020-04-15
JP2020-072757 2020-04-15
PCT/JP2021/003742 WO2021210246A1 (ja) 2020-04-15 2021-02-02 プリズムシート及びこれを用いた照明装置

Publications (1)

Publication Number Publication Date
CN115280062A true CN115280062A (zh) 2022-11-01

Family

ID=78084220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180020187.XA Pending CN115280062A (zh) 2020-04-15 2021-02-02 棱镜片和使用了该棱镜片的照明装置

Country Status (4)

Country Link
US (1) US20230039243A1 (https=)
JP (1) JPWO2021210246A1 (https=)
CN (1) CN115280062A (https=)
WO (1) WO2021210246A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101715565A (zh) * 2007-05-14 2010-05-26 三菱丽阳株式会社 液晶显示装置、面光源装置和棱镜片、及其制造方法
CN103969919A (zh) * 2013-01-25 2014-08-06 佳能株式会社 摄像照明设备
US9341341B1 (en) * 2014-11-21 2016-05-17 Genius Electronic Optical Co., Ltd. Lens for an illuminating device
CN106415114A (zh) * 2014-06-18 2017-02-15 欧姆龙株式会社 光学元件和面光源装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62153709U (https=) * 1986-03-24 1987-09-29
JP2004191718A (ja) * 2002-12-12 2004-07-08 Mitsubishi Electric Corp Ｌｅｄ光源装置
US8163580B2 (en) * 2005-08-10 2012-04-24 Philips Lumileds Lighting Company Llc Multiple die LED and lens optical system
US8248560B2 (en) * 2008-04-18 2012-08-21 Pixtronix, Inc. Light guides and backlight systems incorporating prismatic structures and light redirectors
JP2015072335A (ja) * 2013-10-02 2015-04-16 株式会社ニコン 集光装置の生産方法、集光装置、および光発電装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101715565A (zh) * 2007-05-14 2010-05-26 三菱丽阳株式会社 液晶显示装置、面光源装置和棱镜片、及其制造方法
CN103969919A (zh) * 2013-01-25 2014-08-06 佳能株式会社 摄像照明设备
CN106415114A (zh) * 2014-06-18 2017-02-15 欧姆龙株式会社 光学元件和面光源装置
US9341341B1 (en) * 2014-11-21 2016-05-17 Genius Electronic Optical Co., Ltd. Lens for an illuminating device

Also Published As

Publication number Publication date
US20230039243A1 (en) 2023-02-09
WO2021210246A1 (ja) 2021-10-21
JPWO2021210246A1 (https=) 2021-10-21

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Application publication date: 20221101