JP2015156521A - 半導体発光素子を含むバックライト - Google Patents
半導体発光素子を含むバックライト Download PDFInfo
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- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface of the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Led Device Packages (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
【解決手段】半導体発光ダイオード64のような光源60が、ディスプレイにおける導波部として機能し得る透明部材50における第1の開口54に配置される。該透明部材は、該光源を囲む。該透明部材における第2の開口70には、光源は配置されない。幾つかの実施例においては、該第1の開口は、光を該透明部材へと向けるような形状とされる。幾つかの実施例においては、該光源の上に反射器66が配置される。該反射器は、平坦部分と成形部分68とを含む。該成形部分は、該平坦部分から該光源に向かって延在する。
【選択図】図5
Description
〔態様1〕
n型領域とp型領域との間に配置された発光層を有する半導体構造を有する光源と、
1つ以上の開口及び第2の開口を有する透明部材と、
を有する素子であって、
前記光源は、前記透明部材が前記光源を囲むように前記第1の開口に配置され、
前記第1の開口は前記透明部材の端部の近くに配置され、前記第2の開口には光源が配置されない素子。
〔態様2〕
前記第1及び第2の開口はそれぞれ、前記透明部材において穴を有する、態様1に記載の素子。
〔態様3〕
前記光源は、光の大部分が、前記半導体構造の上面を通して前記光源から脱出するように構成された、態様1に記載の素子。
〔態様4〕
前記光源は、前記半導体構造の上に配置されたドーム型レンズを有する、態様1に記載の素子。
〔態様5〕
前記第1の開口の第1の部分は、前記端部に近接し、前記端部の方向に光を向けるような形状とされ、
前記第1の開口は第2の部分は、前記端部とは逆側にあり、前記端部から離れるように光を向けるような形状とされた、
態様1に記載の素子。
〔態様6〕
前記第1の部分はV字型であり、前記第2の部分は曲線状である、態様5に記載の素子。
〔態様7〕
前記素子は、前記光源の上に配置された反射器を更に有し、前記反射器は、平坦部分と成形部分を有し、前記成形部分は前記平坦部分から前記光源に向かって延在する、態様1に記載の素子。
〔態様8〕
前記反射器の前記成形部分は円錐を有する、態様7に記載の素子。
〔態様9〕
前記第1の開口は曲線状の部分を持ち、前記第2の開口は少なくとも1本の直線の辺を持つ、態様1に記載の素子。
〔態様10〕
前記第2の開口の側壁に配置された反射性被覆を更に有する、態様1に記載の素子。
〔態様11〕
前記光源は第1の光源であり、前記素子は更に第3の開口及び第2の光源を有し、
前記第2の開口は、前記第1の開口と前記第3の開口との間に配置され、
前記第2の光源は、前記第3の開口に配置された、
態様1に記載の素子。
〔態様12〕
前記光源は第1の光源であり、前記素子は更に、
前記透明部材の端部に近接して配置された第3の開口と、
前記第3の開口に配置された第2の光源と、
前記第1の開口と前記第3の開口との間に配置された形状部であって、前記透明部材の端部から前記透明部材の中心に向かって延在する形状部と、
を有する、態様1に記載の素子。
〔態様13〕
前記形状部は、前記透明部材におけるV字型の切り欠きである、態様12に記載の素子。
〔態様14〕
前記形状部は曲線状である、態様12に記載の素子。
〔態様15〕
前記透明部材の上に配置された液晶層を更に有する、態様1に記載の素子。
Claims (13)
- n型領域とp型領域との間に配置された発光層を有する半導体構造を有する光源であって、前記光源は、光の大部分が、前記半導体構造の上面を通して前記光源から脱出するように構成されている、光源と、
第1の開口及び第2の開口を有する透明部材と、
前記光源からの光の向きを前記透明部材の方に変えるよう構成されている、前記光源の上に配置された反射器とを有する素子。 - 前記第1及び第2の開口はそれぞれ、前記透明部材において穴を有する、請求項1に記載の素子。
- 前記光源は、前記半導体構造の上に配置されたドーム型レンズを有する、請求項1に記載の素子。
- 前記第1の部分はV字型であり、前記第2の部分は曲線状である、請求項1に記載の素子。
- 前記反射器は、平坦部分と成形部分を有し、前記成形部分は前記平坦部分から前記光源に向かって延在する、請求項1に記載の素子。
- 前記反射器の前記成形部分は円錐を有する、請求項5に記載の素子。
- 前記第1の開口は曲線状の部分を持ち、前記第2の開口は少なくとも1本の直線の辺を持つ、請求項1に記載の素子。
- 前記第2の開口の側壁に配置された反射性被覆を更に有する、請求項1に記載の素子。
- 前記光源は第1の光源であり、前記素子は更に第3の開口及び第2の光源を有し、
前記第2の開口は、前記第1の開口と前記第3の開口との間に配置され、
前記第2の光源は、前記第3の開口に配置された、
請求項1に記載の素子。 - 前記光源は第1の光源であり、前記素子は更に、
前記透明部材の端部に近接して配置された第3の開口と、
前記第3の開口に配置された第2の光源と、
前記第1の開口と前記第3の開口との間に配置された形状部であって、前記透明部材の端部から前記透明部材の中心に向かって延在する形状部と、
を有する、請求項1に記載の素子。 - 前記形状部は、前記透明部材におけるV字型の切り欠きである、請求項10に記載の素子。
- 前記形状部は曲線状である、請求項10に記載の素子。
- 前記透明部材の上に配置された液晶層を更に有する、請求項1に記載の素子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/417,673 US8212263B2 (en) | 2009-04-03 | 2009-04-03 | Backlight including semiconductior light emitting devices |
US12/417,673 | 2009-04-03 |
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JP2012502839A Division JP6076087B2 (ja) | 2009-04-03 | 2010-03-11 | 半導体発光素子を含むバックライト |
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JP2017022705A Division JP6620120B2 (ja) | 2009-04-03 | 2017-02-10 | 半導体発光素子を含むバックライト |
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JP2015156521A true JP2015156521A (ja) | 2015-08-27 |
JP6093398B2 JP6093398B2 (ja) | 2017-03-08 |
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JP2015112803A Active JP6093398B2 (ja) | 2009-04-03 | 2015-06-03 | 半導体発光素子を含むバックライト |
JP2017022705A Active JP6620120B2 (ja) | 2009-04-03 | 2017-02-10 | 半導体発光素子を含むバックライト |
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US (1) | US8212263B2 (ja) |
EP (1) | EP2414873B1 (ja) |
JP (3) | JP6076087B2 (ja) |
KR (2) | KR101705387B1 (ja) |
CN (2) | CN102378930A (ja) |
TW (3) | TWI609216B (ja) |
WO (1) | WO2010113056A1 (ja) |
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TW201812415A (zh) | 2018-04-01 |
CN102378930A (zh) | 2012-03-14 |
JP6093398B2 (ja) | 2017-03-08 |
TWI658308B (zh) | 2019-05-01 |
CN105987357A (zh) | 2016-10-05 |
WO2010113056A1 (en) | 2010-10-07 |
TWI522691B (zh) | 2016-02-21 |
KR101819870B1 (ko) | 2018-01-17 |
EP2414873A1 (en) | 2012-02-08 |
JP6076087B2 (ja) | 2017-02-08 |
KR20170018087A (ko) | 2017-02-15 |
JP2017092044A (ja) | 2017-05-25 |
KR20120008043A (ko) | 2012-01-25 |
EP2414873B1 (en) | 2019-05-08 |
JP6620120B2 (ja) | 2019-12-11 |
US20100252846A1 (en) | 2010-10-07 |
KR101705387B1 (ko) | 2017-02-09 |
TW201044076A (en) | 2010-12-16 |
JP2012523015A (ja) | 2012-09-27 |
TWI609216B (zh) | 2017-12-21 |
US8212263B2 (en) | 2012-07-03 |
TW201610524A (zh) | 2016-03-16 |
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