JPWO2021131252A1 - - Google Patents

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Publication number
JPWO2021131252A1
JPWO2021131252A1 JP2021556548A JP2021556548A JPWO2021131252A1 JP WO2021131252 A1 JPWO2021131252 A1 JP WO2021131252A1 JP 2021556548 A JP2021556548 A JP 2021556548A JP 2021556548 A JP2021556548 A JP 2021556548A JP WO2021131252 A1 JPWO2021131252 A1 JP WO2021131252A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021556548A
Other languages
Japanese (ja)
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JP7019881B2 (en
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 filed Critical
Publication of JPWO2021131252A1 publication Critical patent/JPWO2021131252A1/ja
Application granted granted Critical
Publication of JP7019881B2 publication Critical patent/JP7019881B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2021556548A 2019-12-26 2020-10-15 Planar lighting device Active JP7019881B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019236635 2019-12-26
JP2019236635 2019-12-26
JP2020078923 2020-04-28
JP2020078923 2020-04-28
PCT/JP2020/038864 WO2021131252A1 (en) 2019-12-26 2020-10-15 Planar illumination device

Publications (2)

Publication Number Publication Date
JPWO2021131252A1 true JPWO2021131252A1 (en) 2021-07-01
JP7019881B2 JP7019881B2 (en) 2022-02-15

Family

ID=76574280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021556548A Active JP7019881B2 (en) 2019-12-26 2020-10-15 Planar lighting device

Country Status (3)

Country Link
JP (1) JP7019881B2 (en)
CN (1) CN114846272A (en)
WO (1) WO2021131252A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006107105A1 (en) * 2005-04-01 2006-10-12 Sony Corporation Backlight device, liquid crystal display unit and optical polarization sheet
US20110051412A1 (en) * 2009-08-27 2011-03-03 Chansung Jeong Backlight unit and display device
JP2011060594A (en) * 2009-09-10 2011-03-24 Fujitsu Ltd Illumination unit, device, and method of manufacturing the same
JP2011210674A (en) * 2010-03-30 2011-10-20 Sumita Optical Glass Inc Light emitting device
JP2014510387A (en) * 2011-04-04 2014-04-24 エルジー イノテック カンパニー リミテッド Lighting device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7780312B2 (en) * 2005-05-31 2010-08-24 Lg Display Co., Ltd. Backlight assembly for liquid crystal display device and liquid crystal display device using the same
CN100565298C (en) * 2005-12-15 2009-12-02 三菱电机株式会社 Surface light source apparatus and the display device of using it
CN101315163B (en) * 2007-06-01 2011-02-09 鸿富锦精密工业（深圳）有限公司 Luminous diode lighting device
JP5305629B2 (en) * 2007-10-15 2013-10-02 株式会社ジャパンディスプレイ Liquid crystal display
JP5190735B2 (en) * 2008-03-06 2013-04-24 Ｎｌｔテクノロジー株式会社 Backlight and liquid crystal display device
KR100964466B1 (en) * 2009-11-24 2010-06-16 엘지전자 주식회사 Display apparatus
KR101399039B1 (en) * 2011-04-04 2014-05-27 엘지이노텍 주식회사 Light umit within resin layer for light-guide and LCD using the same
JP5917940B2 (en) * 2012-02-21 2016-05-18 ミネベア株式会社 Surface lighting device
JP5532104B2 (en) * 2012-10-18 2014-06-25 オムロン株式会社 Surface light source device, liquid crystal display device, and mobile device
US20160154172A1 (en) * 2013-09-04 2016-06-02 Sharp Kabushiki Kaisha Lighting device and display device
CN203825226U (en) * 2014-05-21 2014-09-10 北京京东方光电科技有限公司 Light guide plate, backlight module and display apparatus
JP6321697B2 (en) * 2016-02-12 2018-05-09 ミネベアミツミ株式会社 Surface lighting device
DE202018100020U1 (en) * 2017-09-19 2018-02-12 Vital Lighting Co., Ltd Diffuser lampshade and flat lamp with the lampshade
JP2019125519A (en) * 2018-01-18 2019-07-25 シャープ株式会社 Luminaire and display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006107105A1 (en) * 2005-04-01 2006-10-12 Sony Corporation Backlight device, liquid crystal display unit and optical polarization sheet
US20110051412A1 (en) * 2009-08-27 2011-03-03 Chansung Jeong Backlight unit and display device
JP2011060594A (en) * 2009-09-10 2011-03-24 Fujitsu Ltd Illumination unit, device, and method of manufacturing the same
JP2011210674A (en) * 2010-03-30 2011-10-20 Sumita Optical Glass Inc Light emitting device
JP2014510387A (en) * 2011-04-04 2014-04-24 エルジー イノテック カンパニー リミテッド Lighting device

Also Published As

Publication number Publication date
JP7019881B2 (en) 2022-02-15
CN114846272A (en) 2022-08-02
WO2021131252A1 (en) 2021-07-01

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