JP5127851B2 - 面状照明装置およびこれを備えた液晶表示装置 - Google Patents

面状照明装置およびこれを備えた液晶表示装置 Download PDF

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Publication number
JP5127851B2
JP5127851B2 JP2010047019A JP2010047019A JP5127851B2 JP 5127851 B2 JP5127851 B2 JP 5127851B2 JP 2010047019 A JP2010047019 A JP 2010047019A JP 2010047019 A JP2010047019 A JP 2010047019A JP 5127851 B2 JP5127851 B2 JP 5127851B2
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JP
Japan
Prior art keywords
sheet
support member
liquid crystal
crystal display
lighting device
Prior art date
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Expired - Fee Related
Application number
JP2010047019A
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English (en)
Japanese (ja)
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JP2011181464A5 (enrdf_load_stackoverflow
JP2011181464A (ja
Inventor
昌広 横田
高橋　　健
修 小野
秀三 松田
孝幸 益永
悠 久保
真也 谷川
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.)
Toshiba Corp
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Toshiba Corp
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Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP2010047019A priority Critical patent/JP5127851B2/ja
Priority to PCT/JP2011/054789 priority patent/WO2011108603A1/ja
Publication of JP2011181464A publication Critical patent/JP2011181464A/ja
Publication of JP2011181464A5 publication Critical patent/JP2011181464A5/ja
Application granted granted Critical
Publication of JP5127851B2 publication Critical patent/JP5127851B2/ja
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2010047019A 2010-03-03 2010-03-03 面状照明装置およびこれを備えた液晶表示装置 Expired - Fee Related JP5127851B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010047019A JP5127851B2 (ja) 2010-03-03 2010-03-03 面状照明装置およびこれを備えた液晶表示装置
PCT/JP2011/054789 WO2011108603A1 (ja) 2010-03-03 2011-03-02 面状照明装置およびこれを備えた液晶表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010047019A JP5127851B2 (ja) 2010-03-03 2010-03-03 面状照明装置およびこれを備えた液晶表示装置

Publications (3)

Publication Number Publication Date
JP2011181464A JP2011181464A (ja) 2011-09-15
JP2011181464A5 JP2011181464A5 (enrdf_load_stackoverflow) 2012-10-11
JP5127851B2 true JP5127851B2 (ja) 2013-01-23

Family

ID=44542250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010047019A Expired - Fee Related JP5127851B2 (ja) 2010-03-03 2010-03-03 面状照明装置およびこれを備えた液晶表示装置

Country Status (2)

Country Link
JP (1) JP5127851B2 (enrdf_load_stackoverflow)
WO (1) WO2011108603A1 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI589962B (zh) * 2011-11-04 2017-07-01 奇菱光電股份有限公司 直下式背光模組
JP6065418B2 (ja) * 2012-06-12 2017-01-25 凸版印刷株式会社 有機ｅｌ発光体
US20180299731A1 (en) * 2015-04-28 2018-10-18 Sharp Kabushiki Kaisha Direct-type backlight device and liquid crystal display device
US9658489B1 (en) * 2015-12-31 2017-05-23 Nanosys, Inc. Backlight units for display devices
JP2019075193A (ja) * 2016-03-10 2019-05-16 パナソニックＩｐマネジメント株式会社 バックライト装置及び液晶表示装置
US20200133074A1 (en) * 2017-04-27 2020-04-30 Sharp Kabushiki Kaisha Lighting device and display device
EP3978994B1 (en) * 2017-05-03 2023-10-25 Apple Inc. Backlight units with support posts and cavity height monitoring
CN107238971B (zh) * 2017-06-16 2020-05-15 厦门天马微电子有限公司 组合导光板、背光组件和显示面板
JP2019153436A (ja) 2018-03-01 2019-09-12 シャープ株式会社 照明装置および表示装置
JP7306129B2 (ja) * 2019-07-19 2023-07-11 船井電機・ホールディングス株式会社 照明装置および表示装置
JP7524524B2 (ja) * 2019-07-19 2024-07-30 船井電機株式会社 照明装置および表示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008003254A (ja) * 2006-06-21 2008-01-10 Idemitsu Kosan Co Ltd 光線反射用多層シート、これを用いた反射器、照明装置及び液晶表示装置
JP2008226636A (ja) * 2007-03-13 2008-09-25 Sharp Corp バックライトユニットおよび液晶表示装置

Also Published As

Publication number Publication date
WO2011108603A1 (ja) 2011-09-09
JP2011181464A (ja) 2011-09-15

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