CN114846272A - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
CN114846272A
CN114846272A CN202080089264.2A CN202080089264A CN114846272A CN 114846272 A CN114846272 A CN 114846272A CN 202080089264 A CN202080089264 A CN 202080089264A CN 114846272 A CN114846272 A CN 114846272A
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CN
China
Prior art keywords
optical sheet
light
substrate
lighting device
hole
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
CN202080089264.2A
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English (en)
Chinese (zh)
Inventor
菅原聪
大原知子
宫本正雄
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
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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 CN114846272A publication Critical patent/CN114846272A/zh
Pending 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
    • 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]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
CN202080089264.2A 2019-12-26 2020-10-15 面状照明装置 Pending CN114846272A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019-236635 2019-12-26
JP2019236635 2019-12-26
JP2020078923 2020-04-28
JP2020-078923 2020-04-28
PCT/JP2020/038864 WO2021131252A1 (ja) 2019-12-26 2020-10-15 面状照明装置

Publications (1)

Publication Number Publication Date
CN114846272A true CN114846272A (zh) 2022-08-02

Family

ID=76574280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080089264.2A Pending CN114846272A (zh) 2019-12-26 2020-10-15 面状照明装置

Country Status (3)

Country Link
JP (1) JP7019881B2 (https=)
CN (1) CN114846272A (https=)
WO (1) WO2021131252A1 (https=)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060279671A1 (en) * 2005-05-31 2006-12-14 Lg.Philips Lcd Co., Ltd. Backlight assembly for liquid crystal display device and liquid crystal display device using the same
CN101013227A (zh) * 2005-12-15 2007-08-08 三菱电机株式会社 面状光源装置以及使用其的显示装置
CN101315163A (zh) * 2007-06-01 2008-12-03 鸿富锦精密工业（深圳）有限公司 发光二极管照明装置
CN101414077A (zh) * 2007-10-15 2009-04-22 株式会社日立显示器 液晶显示装置
US20090268124A1 (en) * 2008-03-06 2009-10-29 Nec Lcd Technologies, Ltd. Backlight module with detachable light source unit and liquid crystal display device having the same
KR100964466B1 (ko) * 2009-11-24 2010-06-16 엘지전자 주식회사 디스플레이 장치
KR20120113177A (ko) * 2011-04-04 2012-10-12 엘지이노텍 주식회사 조명장치 및 이를 포함하는 액정표시장치
CN203202798U (zh) * 2012-02-21 2013-09-18 美蓓亚株式会社 面状照明装置
CN103775913A (zh) * 2012-10-18 2014-05-07 欧姆龙株式会社 面光源装置、液晶显示装置及移动设备
CN203825226U (zh) * 2014-05-21 2014-09-10 北京京东方光电科技有限公司 导光板、背光模组及显示装置
CN205485155U (zh) * 2013-09-04 2016-08-17 夏普株式会社 照明装置和显示装置
CN206757087U (zh) * 2016-02-12 2017-12-15 美蓓亚三美株式会社 面状照明装置
WO2019056660A1 (zh) * 2017-09-19 2019-03-28 佛山市正锝照明有限公司 一种散射灯罩及具有该灯罩的平板灯
CN110058452A (zh) * 2018-01-18 2019-07-26 夏普株式会社 照明装置和显示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1867916A1 (en) * 2005-04-01 2007-12-19 Sony Corporation Backlight device, liquid crystal display unit and optical polarization sheet
EP2470952B1 (en) * 2009-08-27 2016-02-10 LG Electronics Inc. Backlight unit and display device
JP2011060594A (ja) * 2009-09-10 2011-03-24 Fujitsu Ltd イルミネーションユニット、機器及びその製造方法
JP2011210674A (ja) * 2010-03-30 2011-10-20 Sumita Optical Glass Inc 発光装置
CN105444002B (zh) * 2011-04-04 2019-05-31 Lg伊诺特有限公司 照明装置

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060279671A1 (en) * 2005-05-31 2006-12-14 Lg.Philips Lcd Co., Ltd. Backlight assembly for liquid crystal display device and liquid crystal display device using the same
CN101013227A (zh) * 2005-12-15 2007-08-08 三菱电机株式会社 面状光源装置以及使用其的显示装置
CN101315163A (zh) * 2007-06-01 2008-12-03 鸿富锦精密工业（深圳）有限公司 发光二极管照明装置
CN101414077A (zh) * 2007-10-15 2009-04-22 株式会社日立显示器 液晶显示装置
US20090268124A1 (en) * 2008-03-06 2009-10-29 Nec Lcd Technologies, Ltd. Backlight module with detachable light source unit and liquid crystal display device having the same
KR100964466B1 (ko) * 2009-11-24 2010-06-16 엘지전자 주식회사 디스플레이 장치
KR20120113177A (ko) * 2011-04-04 2012-10-12 엘지이노텍 주식회사 조명장치 및 이를 포함하는 액정표시장치
CN203202798U (zh) * 2012-02-21 2013-09-18 美蓓亚株式会社 面状照明装置
CN103775913A (zh) * 2012-10-18 2014-05-07 欧姆龙株式会社 面光源装置、液晶显示装置及移动设备
CN205485155U (zh) * 2013-09-04 2016-08-17 夏普株式会社 照明装置和显示装置
CN203825226U (zh) * 2014-05-21 2014-09-10 北京京东方光电科技有限公司 导光板、背光模组及显示装置
CN206757087U (zh) * 2016-02-12 2017-12-15 美蓓亚三美株式会社 面状照明装置
WO2019056660A1 (zh) * 2017-09-19 2019-03-28 佛山市正锝照明有限公司 一种散射灯罩及具有该灯罩的平板灯
CN110058452A (zh) * 2018-01-18 2019-07-26 夏普株式会社 照明装置和显示装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DAEYOUN CHO: "A Novel Two-Dimensional Adaptive Dimming Technique of X-Y Channel Drivers for LED Backlight System in LCD TVs", 《JOURNAL OF DISPLAY TECHNOLOGY》, vol. 7, no. 1, pages 29 - 35 *
王尚: "基于LED阵列的自由曲面光学系统与控制系统研究", 《 中国博士学位论文全文数据库 信息科技辑 》, pages 135 - 52 *

Also Published As

Publication number Publication date
WO2021131252A1 (ja) 2021-07-01
JPWO2021131252A1 (https=) 2021-07-01
JP7019881B2 (ja) 2022-02-15

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