JP2013168350A - ライトユニット及びこれを用いた照明システム - Google Patents
ライトユニット及びこれを用いた照明システム Download PDFInfo
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- JP2013168350A JP2013168350A JP2012140468A JP2012140468A JP2013168350A JP 2013168350 A JP2013168350 A JP 2013168350A JP 2012140468 A JP2012140468 A JP 2012140468A JP 2012140468 A JP2012140468 A JP 2012140468A JP 2013168350 A JP2013168350 A JP 2013168350A
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- 238000005286 illumination Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 description 28
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 6
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
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- 230000001154 acute effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 229920000515 polycarbonate Polymers 0.000 description 1
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- 239000012780 transparent material Substances 0.000 description 1
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
-
- 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
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
-
- 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
- G02B6/0023—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
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—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
- G02F1/133602—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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
【解決手段】このライトユニットは、一部傾斜面を有する第1リフレクタと、第1リフレクタの両端部にそれぞれ配置される第2、第3リフレクタと、第1リフレクタと第2リフレクタとの間に配置される第1光源モジュールと、第1リフレクタと第3リフレクタとの間に配置される第2光源モジュールと、を備え、第1光源モジュールの光出射方向と第2光源モジュールの光出射方向とが互いに異なる。
【選択図】図1
Description
また、第1リフレクタは、第1光源モジュールに隣接する第1領域と、第2光源モジュールに隣接する第2領域と、を有し、第1領域の面積と第2領域の面積が互いに異なってもよい。
Claims (22)
- 第1及び第2領域を有する第1リフレクタと、
前記第1リフレクタの両端部にそれぞれ配置された第2及び第3リフレクタと、
前記第1リフレクタと第2リフレクタとの間に配置された第1光源モジュールと、
前記第1リフレクタと第3リフレクタとの間に配置された第2光源モジュールと
を備え、
前記第1光源モジュールの光出射方向と前記第2光源モジュールの光出射方向とが互いに異なる、ライトユニット。 - 前記第1リフレクタは、
前記第1光源モジュールに隣接した第1領域と、
前記第2光源モジュールに隣接した第2領域とを有し、
前記第1領域の面積と前記第2領域の面積とが互いに異なる、請求項1に記載のライトユニット。 - 前記第1リフレクタは、
前記第1領域と第2領域との間に第3領域を有し、
前記第3領域の面積は、前記第1及び第2領域の面積よりも小さい、請求項1または2に記載のライトユニット。 - 前記第1領域は、
前記第1光源モジュールに隣接し、下方に傾斜した第1傾斜面と、
前記第1傾斜面に隣接し、前記第1傾斜面から上方に傾斜した第2傾斜面とを有し、
前記第2領域は、
前記第2光源モジュールに隣接し、下方に傾斜した第3傾斜面と、
前記第3傾斜面に隣接し、前記第3傾斜面から上方に傾斜した第4傾斜面とを有する、請求項1乃至3のいずれかに記載のライトユニット。 - 前記第1傾斜面は、第1曲率半径を有する曲面であり、
前記第2傾斜面は、第2曲率半径を有する曲面であり、
前記第3傾斜面は、第3曲率半径を有する曲面であり、
前記第4傾斜面は、第4曲率半径を有する曲面である、請求項4に記載のライトユニット。 - 前記第1曲率半径と前記第3曲率半径とが互いに異なる、請求項5に記載のライトユニット。
- 前記第2曲率半径と前記第4曲率半径とが互いに異なる、請求項5に記載のライトユニット。
- 前記第2曲率半径は、前記第1曲率半径よりも大きく、
前記第4曲率半径は、前記第3曲率半径よりも大きい、請求項5に記載のライトユニット。 - 前記第1傾斜面は、曲面及び平面を有する、請求項4に記載のライトユニット。
- 前記第1傾斜面の平面は、前記第1光源モジュールから出射される光の指向角内に配置される、請求項9に記載のライトユニット。
- 前記第3領域は、凹んだ曲面、膨らんだ曲面、または扁平な平面である、請求項3に記載のライトユニット。
- 前記第1光源モジュールに含まれる光源の個数と前記第2光源モジュールに含まれる光源の個数とが互いに異なる、請求項1に記載のライトユニット。
- 前記第1光源モジュールに含まれる光源の光出力強度と前記第2光源モジュールに含まれる光源の光出力強度とが互いに異なる、請求項1または12に記載のライトユニット。
- 前記第1光源モジュールの光出射方向は、前記第2リフレクタから前記第1リフレクタに向かう方向であり、
前記第2光源モジュールの光出射方向は、前記第3リフレクタから前記第2リフレクタに向かう方向である、請求項1、12または13に記載のライトユニット。 - 前記第1光源モジュールは、前記第2リフレクタに接して配置され、
前記第2光源モジュールは、前記第3リフレクタから離れて配置される、請求項1、または12乃至14のいずれかに記載のライトユニット。 - 前記第2リフレクタの長さと前記第3リフレクタの長さとが互いに異なる、請求項1、14、または15に記載のライトユニット。
- 前記第2リフレクタは、前記第1光源モジュールと向かい合う表面が乱反射面であり、
前記第3リフレクタは、前記第2光源モジュールと向かい合う表面が正反射面である、請求項1、または14乃至16のいずれかに記載のライトユニット。 - 前記第2リフレクタは、前記第1光源モジュールと向かい合う表面の一部が傾斜した傾斜面を有する、請求項1、または14乃至17のいずれかに記載のライトユニット。
- 前記第3リフレクタは、前記第2光源モジュールと向かい合う表面の一部が傾斜した傾斜面を有する、請求項1、または14乃至17のいずれかに記載のライトユニット。
- 前記第1光源モジュールの光出射方向と前記第2光源モジュールの光出射方向とが互いに直交する、請求項1に記載のライトユニット。
- 前記第1リフレクタから一定間隔離れて空間を置いて配置される光学部材をさらに備え、
前記第1リフレクタと前記光学部材との間の空間にはエアーガイドが形成される、請求項1または3に記載のライトユニット。 - 請求項1乃至21のいずれかに記載のライトユニットを備える照明システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2012-0015185 | 2012-02-15 | ||
KR1020120015185A KR102024288B1 (ko) | 2012-02-15 | 2012-02-15 | 조명 시스템 |
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JP2013168350A true JP2013168350A (ja) | 2013-08-29 |
JP2013168350A5 JP2013168350A5 (ja) | 2015-07-02 |
JP6061513B2 JP6061513B2 (ja) | 2017-01-18 |
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US (2) | US8926128B2 (ja) |
EP (1) | EP2629003B1 (ja) |
JP (1) | JP6061513B2 (ja) |
KR (1) | KR102024288B1 (ja) |
CN (1) | CN103256524B (ja) |
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US10655792B2 (en) | 2014-09-28 | 2020-05-19 | Zhejiang Super Lighting Electric Appliance Co., Ltd. | LED bulb lamp |
TWI469398B (zh) * | 2012-07-12 | 2015-01-11 | Lextar Electronics Corp | 發光裝置 |
CN103032836B (zh) * | 2012-12-14 | 2015-07-29 | 京东方科技集团股份有限公司 | 一种用于背光源的背板、背光源和显示装置 |
CN103499052B (zh) * | 2013-09-24 | 2015-09-09 | 京东方科技集团股份有限公司 | 一种背光源及显示装置 |
KR102170218B1 (ko) * | 2014-08-05 | 2020-10-26 | 엘지이노텍 주식회사 | 발광소자 패키지 |
JP6669428B2 (ja) * | 2014-08-13 | 2020-03-18 | 株式会社小糸製作所 | 照明装置と照明方法及び表示システム |
US11073248B2 (en) | 2014-09-28 | 2021-07-27 | Zhejiang Super Lighting Electric Appliance Co., Ltd. | LED bulb lamp |
US12007077B2 (en) | 2014-09-28 | 2024-06-11 | Zhejiang Super Lighting Electric Appliance Co., Ltd. | LED filament and LED light bulb |
US11525547B2 (en) | 2014-09-28 | 2022-12-13 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED light bulb with curved filament |
US11686436B2 (en) | 2014-09-28 | 2023-06-27 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and light bulb using LED filament |
US11085591B2 (en) | 2014-09-28 | 2021-08-10 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED light bulb with curved filament |
US11997768B2 (en) | 2014-09-28 | 2024-05-28 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and LED light bulb |
US11543083B2 (en) | 2014-09-28 | 2023-01-03 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and LED light bulb |
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TWI556688B (zh) * | 2015-04-28 | 2016-11-01 | 佳世達科技股份有限公司 | 具有不同調光比例之發光模組的燈具 |
US10359152B2 (en) | 2015-08-17 | 2019-07-23 | Zhejiang Super Lighting Electric Appliance Co, Ltd | LED filament and LED light bulb |
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- 2012-02-15 KR KR1020120015185A patent/KR102024288B1/ko active IP Right Grant
- 2012-06-18 US US13/525,581 patent/US8926128B2/en active Active
- 2012-06-22 JP JP2012140468A patent/JP6061513B2/ja not_active Expired - Fee Related
- 2012-06-25 EP EP12173413.1A patent/EP2629003B1/en not_active Not-in-force
- 2012-08-29 CN CN201210313615.0A patent/CN103256524B/zh active Active
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Also Published As
Publication number | Publication date |
---|---|
EP2629003B1 (en) | 2016-08-10 |
JP6061513B2 (ja) | 2017-01-18 |
CN103256524B (zh) | 2017-05-24 |
US9243775B2 (en) | 2016-01-26 |
CN103256524A (zh) | 2013-08-21 |
US20150085485A1 (en) | 2015-03-26 |
US8926128B2 (en) | 2015-01-06 |
US20130208467A1 (en) | 2013-08-15 |
KR102024288B1 (ko) | 2019-09-23 |
EP2629003A1 (en) | 2013-08-21 |
KR20130093929A (ko) | 2013-08-23 |
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