WO2010146894A1 - 発光モジュール、照明装置、表示装置、及びテレビジョン受像器 - Google Patents
発光モジュール、照明装置、表示装置、及びテレビジョン受像器 Download PDFInfo
- Publication number
- WO2010146894A1 WO2010146894A1 PCT/JP2010/052314 JP2010052314W WO2010146894A1 WO 2010146894 A1 WO2010146894 A1 WO 2010146894A1 JP 2010052314 W JP2010052314 W JP 2010052314W WO 2010146894 A1 WO2010146894 A1 WO 2010146894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light emitting
- light
- emitting module
- lens
- led
- Prior art date
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Classifications
-
- 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
- G02F1/133605—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
Definitions
- the present invention has been made in view of the above points, and an object thereof is to provide a light emitting module capable of increasing the amount of light emitted from a lens without using means for increasing the amount of light emitted from a light emitting element. .
- the light reflected at the interface between the lens and the air surrounding it and returning to the mounting substrate can be efficiently re-reflected.
- an illumination device that uses light from the light emitting module having the above-described configuration is configured.
- the brightness of the diffusion plate can be increased.
- the lens is a diffusing lens
- the luminance unevenness of the diffusing plate can be reduced without arranging the light emitting modules constituting the matrix at a high density.
- the cost of the lighting device can be reduced.
- a television receiver including the display device having the above configuration is configured.
- the light reflected at the interface between the lens and the air surrounding it and bounced back to the mounting substrate is re-reflected by the built-in reflection sheet and added to the light emitted from the lens.
- the amount of light emitted from the lens can be increased, and brighter illumination can be obtained.
- Fig. 8 shows the collective image of the brightness of multiple LEDs.
- the solid line waveform represents the luminance of the LED with a diffusion lens
- the dotted line waveform represents the luminance of a single LED.
- the horizontal line in the waveform indicates the width of the waveform (half-value width) at a luminance that is half the peak value.
- each waveform can be widened, so that it is easy to make the luminance as a whole as a flat shape as shown by a solid line above the figure.
- each waveform has a height, while the width is narrow, and it is inevitable that a wave is generated in the luminance obtained by collecting them. As described above, an image having uneven brightness is not preferable. Therefore, the use of an LED with a diffusion lens is almost inevitable.
- the light emitting module MJ includes the diffusing lens 24.
- the built-in reflective sheet 11 is a foamed resin sheet having a large number of fine bubbles inside, and reflects light by actively utilizing interface reflection of the bubbles, and has a high light reflectance. Since there is a sheet having a reflectivity of 98% or more made of polyethylene terephthalate (PET), it is desirable to employ such a sheet.
- PET polyethylene terephthalate
- the built-in reflection sheet 11 is formed with a through hole through which the leg portion 24a of the diffusing lens 24 passes.
- the light emitted from the LED 22 is emitted as it is from the diffusing lens 24 although the direction can be changed, but a part of the light is reflected at the interface between the diffusing lens 24 and the air surrounding it and returns to the direction of the mounting substrate 21. . If the mounting substrate 21 waits for the returning light, even if measures such as adopting a white resist as the resist on the surface are taken to increase the reflectivity, such a high reflectivity cannot be expected. However, in the present invention, since the built-in reflection sheet 11 having a higher light reflectance than the mounting substrate 21 is disposed, the returned light can be efficiently re-reflected and added to the light emitted from the diffusion lens 24. For this reason, the amount of light emitted from the diffusing lens 24 increases.
- the built-in reflective sheet 11 is formed of a foamed resin sheet that reflects light by interfacial reflection of the internal bubbles, it is possible to satisfy conditions desirable for the built-in reflective sheet 11 such as a reflectance of 95% or more, and a reflectance of 98%. It is also possible to obtain a high reflectance. In addition, unlike paints and the like, there are few elements of deterioration over time, so that high reflectance can be maintained for a long time.
- FIG. 5 shows a configuration example of a television receiver in which the display device 69 is incorporated.
- the television receiver 89 is configured such that a display device 69 and a control board group 92 are housed in a cabinet configured by combining a front cabinet 90 and a rear cabinet 91, and the cabinet is supported by a stand 93.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
41 シャーシ
42 反射シート
43 拡散板
MJ 発光モジュール
11 内蔵反射シート
21 実装基板
22 LED
24 拡散レンズ
59 液晶表示パネル
69 表示装置
89 テレビジョン受像器
Claims (10)
- 発光モジュールであって、以下を特徴とするもの:
当該発光モジュールは、実装基板と、前記実装基板に実装される発光素子と、前記発光素子を覆うレンズとを含むものであり、
前記実装基板と前記レンズとの間に、当該実装基板よりも光の反射率が高い内蔵反射シートが配置されている。 - 請求項1の発光モジュールであって、以下を特徴とするもの:
前記内蔵反射シートの反射率は95%以上である。 - 請求項1の発光モジュールであって、以下を特徴とするもの:
前記内蔵反射シートが、内部の気泡の界面反射で光を反射する発泡樹脂シートにより形成されている。 - 請求項1の発光モジュールであって、以下を特徴とするもの:
前記レンズが拡散レンズである。 - 請求項1の発光モジュールであって、以下を特徴とするもの:
前記発光素子がLEDである。 - 照明装置であって、以下を特徴とするもの:
請求項1から5のいずれかの発光モジュールからの光を利用する。 - 請求項6の照明装置であって、以下を特徴とするもの:
マトリックス状に配置した複数個の前記発光モジュールからの光で拡散板を照射する。 - 表示装置であって、以下を特徴とするもの:
請求項7の照明装置と、前記照明装置からの光を受ける表示パネルと、を含む。 - 請求項8の表示装置であって、以下を特徴とするもの:
前記表示パネルが液晶表示パネルである。 - テレビジョン受像機であって、以下を特徴とするもの:
請求項8の表示装置を備える。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012101296/07A RU2012101296A (ru) | 2009-06-15 | 2010-02-17 | Светоизлучающий модуль, осветительное устройство, устройство отображения и телевизионный приемник |
CN2010800238787A CN102449788A (zh) | 2009-06-15 | 2010-02-17 | 发光模块、照明装置、显示装置以及电视接收机 |
EP10789272A EP2426747A1 (en) | 2009-06-15 | 2010-02-17 | Light emitting module, illuminating device, display device, and television receiver |
JP2011519625A JPWO2010146894A1 (ja) | 2009-06-15 | 2010-02-17 | 発光モジュール、照明装置、表示装置、及びテレビジョン受像器 |
BRPI1014499A BRPI1014499A2 (pt) | 2009-06-15 | 2010-02-17 | "módulo emissor da luz, dispositivo de iluminação, dispositivo de exibição e receptor de televisão" |
US13/376,246 US20120086871A1 (en) | 2009-06-15 | 2010-02-17 | Light emitting module, illuminating device, display device, and television receiver |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-141744 | 2009-06-15 | ||
JP2009141744 | 2009-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010146894A1 true WO2010146894A1 (ja) | 2010-12-23 |
Family
ID=43356224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/052314 WO2010146894A1 (ja) | 2009-06-15 | 2010-02-17 | 発光モジュール、照明装置、表示装置、及びテレビジョン受像器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120086871A1 (ja) |
EP (1) | EP2426747A1 (ja) |
JP (1) | JPWO2010146894A1 (ja) |
CN (1) | CN102449788A (ja) |
BR (1) | BRPI1014499A2 (ja) |
RU (1) | RU2012101296A (ja) |
WO (1) | WO2010146894A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012004078A (ja) * | 2010-06-21 | 2012-01-05 | Enplas Corp | 発光装置、面光源装置、表示装置及び光束制御部材 |
WO2012133892A1 (ja) * | 2011-03-31 | 2012-10-04 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
WO2013061102A1 (en) * | 2011-10-28 | 2013-05-02 | Hungaro Lux Light Kft. | Illuminator for use in public lighting |
WO2014148409A1 (ja) * | 2013-03-21 | 2014-09-25 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス発光装置 |
US9476577B2 (en) | 2011-03-31 | 2016-10-25 | Sharp Kabushiki Kaisha | Lighting device, display device, and television reception device |
JP2017198752A (ja) * | 2016-04-25 | 2017-11-02 | 大日本印刷株式会社 | 光反射シート |
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CN104595790B (zh) * | 2013-10-30 | 2018-05-25 | 赛恩倍吉科技顾问(深圳)有限公司 | 光源模组 |
KR102137135B1 (ko) | 2014-01-29 | 2020-07-27 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 포함하는 표시 장치 |
KR102294163B1 (ko) | 2014-12-05 | 2021-08-27 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 발광 모듈 |
KR102502189B1 (ko) * | 2016-01-25 | 2023-02-21 | 삼성전자주식회사 | 렌즈 및 이를 갖춘 디스플레이 장치 |
CN110764168A (zh) * | 2019-10-18 | 2020-02-07 | 深圳创维-Rgb电子有限公司 | 一种光学透镜结构、背光模组及透镜成型方法 |
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- 2010-02-17 EP EP10789272A patent/EP2426747A1/en not_active Withdrawn
- 2010-02-17 CN CN2010800238787A patent/CN102449788A/zh active Pending
- 2010-02-17 RU RU2012101296/07A patent/RU2012101296A/ru not_active Application Discontinuation
- 2010-02-17 BR BRPI1014499A patent/BRPI1014499A2/pt not_active IP Right Cessation
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012004078A (ja) * | 2010-06-21 | 2012-01-05 | Enplas Corp | 発光装置、面光源装置、表示装置及び光束制御部材 |
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US9476577B2 (en) | 2011-03-31 | 2016-10-25 | Sharp Kabushiki Kaisha | Lighting device, display device, and television reception device |
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WO2014148409A1 (ja) * | 2013-03-21 | 2014-09-25 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス発光装置 |
JPWO2014148409A1 (ja) * | 2013-03-21 | 2017-02-16 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス発光装置 |
JP2017198752A (ja) * | 2016-04-25 | 2017-11-02 | 大日本印刷株式会社 | 光反射シート |
Also Published As
Publication number | Publication date |
---|---|
US20120086871A1 (en) | 2012-04-12 |
CN102449788A (zh) | 2012-05-09 |
RU2012101296A (ru) | 2013-07-27 |
BRPI1014499A2 (pt) | 2016-04-05 |
JPWO2010146894A1 (ja) | 2012-12-06 |
EP2426747A1 (en) | 2012-03-07 |
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