JP6910158B2 - 面光源装置 - Google Patents
面光源装置 Download PDFInfo
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- JP6910158B2 JP6910158B2 JP2017032888A JP2017032888A JP6910158B2 JP 6910158 B2 JP6910158 B2 JP 6910158B2 JP 2017032888 A JP2017032888 A JP 2017032888A JP 2017032888 A JP2017032888 A JP 2017032888A JP 6910158 B2 JP6910158 B2 JP 6910158B2
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- 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
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
Description
本発明の実施の形態1について、図面を用いて以下に説明する。図1は、実施の形態1に係る液晶表示装置100の斜視図である。図2は、液晶表示装置100の背面斜視図である。図3は、液晶表示装置100の分解斜視図である。
次に、実施の形態2に係る面光源装置91Aについて説明する。図20は、実施の形態2に係る面光源装置91Aおよびバックカバー97の斜視図である。図21は、図20のD−D線断面図である。図22は、図20のE−E線断面図である。なお、実施の形態2において、実施の形態1で説明したものと同一の構成要素については同一符号を付して説明は省略する。
次に、実施の形態3に係る面光源装置91Bについて説明する。図23は、実施の形態3に係る面光源装置91Bおよびバックカバー97の斜視図である。図24は、図23のF−F線断面図である。なお、実施の形態3において、実施の形態1,2で説明したものと同一の構成要素については同一符号を付して説明は省略する。
Claims (10)
- 面状光を出射する面光源装置であって、
光を出射する複数の光源と、
複数の前記光源が実装され、貫通穴を有する基板と、
前記基板上に配置され、かつ、前記基板と接する面に複数の前記光源を収容可能な第1凹部を有し、複数の前記光源から出射された光を配光する配光制御素子と、
前記配光制御素子により配光された光の一部を前記面光源装置の表示面側へ反射する反射部と、
複数の前記光源、前記基板、前記配光制御素子、および前記反射部を収容する筐体と、
前記配光制御素子における前記基板と接する面とは反対側の面と接した状態で、前記配光制御素子および前記基板を保持する第1保持部材と、
を備え、
前記第1保持部材は、前記基板における前記配光制御素子と接する面とは反対側の面と接する基板保持部と、前記配光制御素子における前記基板と接する面とは反対側の面と接する配光制御素子保持部を有し、
前記基板保持部は、前記基板における前記配光制御素子と接する側とは反対側から前記貫通穴に挿通され、かつ前記第1凹部に収容される第1凸部を有し、
前記配光制御素子保持部および前記基板保持部はスナップフィットにより固定された、面光源装置。 - 前記配光制御素子保持部は透明樹脂により構成された、請求項1記載の面光源装置。
- 前記基板保持部は板金により構成された、請求項1記載の面光源装置。
- 前記配光制御素子は、前記配光制御素子保持部と接する面に第2凹部を有し、
前記配光制御素子保持部は、前記配光制御素子と接する面に前記第2凹部に対応する凸部を有する、請求項1から請求項3のいずれか1項に記載の面光源装置。 - 前記基板は長尺状に形成され、
前記基板保持部は、前記基板の短手方向の両端をそれぞれ保持する複数の第2凸部を有する、請求項1記載の面光源装置。 - 前記配光制御素子は、複数の前記光源を覆うように長尺状に形成され、
前記第1保持部材は複数であり、
複数の前記第1保持部材は、前記配光制御素子の長手方向に沿って配置された、請求項1から請求項5のいずれか1項に記載の面光源装置。 - 複数の前記第1保持部材は、互いに100mm以上300mm以下の間隔で配置された、請求項6記載の面光源装置。
- 複数の前記第1保持部材は、複数の前記光源のうち隣り合う光源同士の中央部にそれぞれ配置された、請求項6記載の面光源装置。
- 前記筐体の内面に凹部が形成され、
前記凹部に前記第1保持部材が配置された、請求項1から請求項8のいずれか1項に記載の面光源装置。 - 前記筐体に貫通穴が形成され、
前記筐体の前記貫通穴に前記第1保持部材が配置された、請求項1から請求項8のいずれか1項に記載の面光源装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017032888A JP6910158B2 (ja) | 2017-02-24 | 2017-02-24 | 面光源装置 |
US15/832,221 US10281768B2 (en) | 2017-02-24 | 2017-12-05 | Surface light source device and liquid crystal display device |
CN201810154724.XA CN108508651A (zh) | 2017-02-24 | 2018-02-23 | 面光源装置及液晶显示装置 |
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JP2017032888A JP6910158B2 (ja) | 2017-02-24 | 2017-02-24 | 面光源装置 |
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JP2018137198A JP2018137198A (ja) | 2018-08-30 |
JP6910158B2 true JP6910158B2 (ja) | 2021-07-28 |
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JP2017032888A Active JP6910158B2 (ja) | 2017-02-24 | 2017-02-24 | 面光源装置 |
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US (1) | US10281768B2 (ja) |
JP (1) | JP6910158B2 (ja) |
CN (1) | CN108508651A (ja) |
Family Cites Families (26)
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CN1196016C (zh) * | 2000-10-20 | 2005-04-06 | 三菱电机株式会社 | 液晶显示装置用背光 |
DE20307610U1 (de) * | 2003-05-16 | 2003-09-25 | Wts Kereskedelmi Es Szolgaltat | Scheinwerfer, insbesondere Unterwasserscheinwerfer |
JP3875247B2 (ja) * | 2004-09-27 | 2007-01-31 | 株式会社エンプラス | 発光装置、面光源装置、表示装置及び光束制御部材 |
JP4899502B2 (ja) | 2005-03-07 | 2012-03-21 | 日亜化学工業株式会社 | 面状照射光源及び面状照射装置 |
CN100585268C (zh) * | 2005-03-07 | 2010-01-27 | 日亚化学工业株式会社 | 面状照射光源及面状照射装置 |
JP5213383B2 (ja) * | 2007-08-09 | 2013-06-19 | シャープ株式会社 | 発光装置およびこれを備える照明装置 |
TWI358000B (en) * | 2008-09-15 | 2012-02-11 | Au Optronics Corp | Display device with low scratch visibility and man |
JP5719104B2 (ja) | 2009-08-24 | 2015-05-13 | 株式会社エンプラス | 光束制御部材、発光装置、面光源装置、及び表示装置 |
JP5703561B2 (ja) * | 2009-12-29 | 2015-04-22 | オムロン株式会社 | 照明装置および照明装置の製造方法 |
TWM387947U (en) * | 2010-02-06 | 2010-09-01 | B&M Optics Co Ltd | Lens and LED lighting device equipped with the lens |
JP5518881B2 (ja) * | 2010-03-15 | 2014-06-11 | パナソニック株式会社 | 発光装置、面光源および液晶ディスプレイ装置 |
US20130163283A1 (en) * | 2010-07-23 | 2013-06-27 | Sharp Kabushiki Kaisha | Light guide, light source unit, illuminating device, and display device |
KR20120082655A (ko) * | 2011-01-14 | 2012-07-24 | 삼성전자주식회사 | 엘이디 플래시 렌즈 유닛 및 그 제조방법 |
JP6025309B2 (ja) * | 2011-06-29 | 2016-11-16 | シャープ株式会社 | 光源装置および液晶表示装置 |
JP5697252B2 (ja) * | 2011-07-12 | 2015-04-08 | 株式会社エンプラス | 照明装置 |
KR101282265B1 (ko) * | 2011-09-20 | 2013-07-10 | 삼성전자주식회사 | 디스플레이장치 |
WO2013099718A1 (ja) * | 2011-12-26 | 2013-07-04 | シャープ株式会社 | 照明装置、バックライト、液晶表示装置及びテレビジョン受信装置 |
JP5735439B2 (ja) * | 2012-02-10 | 2015-06-17 | シャープ株式会社 | 実装基板の固定部材、照明装置および液晶表示装置 |
KR101991124B1 (ko) * | 2012-12-13 | 2019-06-19 | 엘지이노텍 주식회사 | 엘이디 어레이 유닛, 이를 갖는 직하형 백라이트 유닛 및 이를 갖는 표시장치 |
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KR102153455B1 (ko) * | 2013-12-06 | 2020-09-09 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 포함하는 표시 장치 |
CN203703858U (zh) * | 2014-01-28 | 2014-07-09 | 厦门京东方电子有限公司 | 一种发光组件、背光源及显示装置 |
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JP6378532B2 (ja) * | 2014-05-08 | 2018-08-22 | 株式会社エンプラス | 発光装置、面光源装置および表示装置 |
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2017
- 2017-02-24 JP JP2017032888A patent/JP6910158B2/ja active Active
- 2017-12-05 US US15/832,221 patent/US10281768B2/en active Active
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- 2018-02-23 CN CN201810154724.XA patent/CN108508651A/zh active Pending
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US20180246379A1 (en) | 2018-08-30 |
CN108508651A (zh) | 2018-09-07 |
US10281768B2 (en) | 2019-05-07 |
JP2018137198A (ja) | 2018-08-30 |
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