JP2011238609A - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- JP2011238609A JP2011238609A JP2011099353A JP2011099353A JP2011238609A JP 2011238609 A JP2011238609 A JP 2011238609A JP 2011099353 A JP2011099353 A JP 2011099353A JP 2011099353 A JP2011099353 A JP 2011099353A JP 2011238609 A JP2011238609 A JP 2011238609A
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- light
- light guide
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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
- G02B6/0096—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
-
- 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
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- 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
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
【解決手段】本発明による照明装置は、導光チャンネルと、前記導光チャンネルにおいて散乱領域としての局所粗化表面と、を有する導光体と、前記導光チャンネルに光を発する少なくとも一つの発光ユニットであって、前記光の少なくとも一部は、前記散乱領域に導かれ、また、前記散乱領域は、局所光源領域として、前記光を散乱させる、少なくとも一つの発光ユニットと、を含む。
【選択図】図2
Description
また、特許文献3には、導光体が開示されており、この導光体は、異なる傾角を有する複数の領域からなる外表面を有し、これにより、光を大きな立体角の領域に散乱させることができる。
なお、次の各実施例の説明は、添付した図面を参照して行われたものであり、本発明の実施可能な特定の実施例を例示するために用いられる。また、次の各実施例に言及した方向の用語、例えば、上、下、前、後、左、右などは、添付した図面の方向を参考するためのもののみである。よって、以下に使用された方向の用語は、説明のために用いられ、本発明を限定するためのものでない。
52、204、300 ランプベース
54、206 LED
56、254、306、500 ランプキャップ
58 電力回路
100、100′、120、130、208、250、302、400、420、430 導光体
102 発光ユニット
104 窪み部
106 表面
107 適応空間
108、210、252、304、402、422、432 散乱領域
122 突出部
202 電源接続構造
404、434 導光チャンネル
Claims (15)
- 照明装置であって、
導光チャンネルと、前記導光チャンネルにおいて散乱領域としての局所粗化表面と、を有する導光体と、
前記導光チャンネルに光を発する少なくとも一つの発光ユニットであって、前記光の少なくとも一部は、前記散乱領域に導かれ、また、前記散乱領域は、局所光源領域として、前記光を散乱させる、少なくとも一つの発光ユニットと、
を含む、照明装置。 - 前記導光体は、前記導光チャンネルとしての機能を果たす外表面を有し、前記光の一部は、前記外表面により、前記導光体内に導かれる、
請求項1に記載の照明装置。 - 前記導光体は、前記導光チャンネルとしての機能を果たす窪みチャンネルを有し、前記光の一部は、前記窪みチャンネルに進入し、前記導光体内に導かれる、
請求項1に記載の照明装置。 - 照明装置であって、
粗化表面を有する窪み部又は粗化表面を有する突出部を散乱領域として有する導光体と、
前記導光体に光を発する少なくとも一つの発光ユニットであって、前記光の少なくとも一部は、前記導光体内に導かれて前記散乱領域に到達し、また、前記散乱領域は、局所光源領域として、前記光を散乱させる、少なくとも一つの発光ユニットと、
前記導光体を覆うランプキャップであって、前記局所光源領域は、前記ランプキャップ内に位置する、ランプキャップと、
を含む照明装置。 - 前記導光体は、棒状構造、円錐体構造、多辺錐体構造又は曲面構造である、
請求項4に記載の照明装置。 - 前記導光体は、第一末端領域及び第二末端領域を有し、前記散乱領域は、前記第一末端領域に位置し、また、前記少なくとも一つの発光ユニットは、前記第二末端領域に位置する、
請求項4に記載の照明装置。 - 前記第一末端領域の断面積は、前記第二末端領域の断面積より小さい、
請求項6に記載の照明装置。 - 前記少なくとも一つの発光ユニットは、発光ダイオードを含む、
請求項4に記載の照明装置。 - 前記粗化表面は、霜状の表面である、
請求項4に記載の照明装置。 - 照明装置であって、
窪みチャンネルと、局所粗化表面と、を有する導光体であって、前記局所粗化表面は、前記導光体において前記窪みチャンネルに接続する散乱領域としての機能を果たす、導光体と、
前記窪みチャンネルに光を発する少なくとも一つの発光ユニットであって、前記光の少なくとも一部は、前記窪みチャンネル内に導かれて前記散乱領域に到達し、また、前記散乱領域は、局所光源領域として、前記光を散乱させる、少なくとも一つの発光ユニットと、
を含み、
前記窪みチャンネルを有する前記導光体は、前記少なくとも一つの発光ユニットを覆う、照明装置。 - 前記窪みチャンネルは、均一柱体空間、円錐体空間、多辺錐体空間又は曲面空間である、
請求項10に記載の照明装置。 - 前記窪みチャンネルは、第一末端領域及び第二末端領域を有し、前記散乱領域は、前記第一末端領域に位置し、また、前記少なくとも一つの発光ユニットは、前記第二末端領域に位置する、
請求項10に記載の照明装置。 - 前記第一末端領域の断面積は、前記第二末端領域の断面積より小さい、
請求項12に記載の照明装置。 - 前記少なくとも一つの発光ユニットは、発光ダイオードを含む、
請求項10に記載の照明装置。 - 前記散乱領域の前記粗化表面は、霜状の表面である、
請求項10に記載の照明装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/772,233 US8482186B2 (en) | 2010-05-03 | 2010-05-03 | Lighting device |
| US12/772,233 | 2010-05-03 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013079144A Division JP2013138031A (ja) | 2010-05-03 | 2013-04-05 | 照明装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2011238609A true JP2011238609A (ja) | 2011-11-24 |
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ID=44117556
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011099353A Pending JP2011238609A (ja) | 2010-05-03 | 2011-04-27 | 照明装置 |
| JP2013079144A Pending JP2013138031A (ja) | 2010-05-03 | 2013-04-05 | 照明装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2013079144A Pending JP2013138031A (ja) | 2010-05-03 | 2013-04-05 | 照明装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8482186B2 (ja) |
| EP (1) | EP2385400A3 (ja) |
| JP (2) | JP2011238609A (ja) |
| TW (1) | TWI407045B (ja) |
Cited By (5)
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| WO2014046019A1 (ja) * | 2012-09-20 | 2014-03-27 | 株式会社 東芝 | 白色led照明装置 |
| JP2014241227A (ja) * | 2013-06-11 | 2014-12-25 | 株式会社東芝 | 照明装置および光ガイド |
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| CN106838667A (zh) * | 2009-02-18 | 2017-06-13 | 奥斯兰姆施尔凡尼亚公司 | 具有led、光导和反射器的光源 |
| USD599491S1 (en) * | 2009-02-18 | 2009-09-01 | Osram Sylvania Inc. | LED lamp |
| US8556456B2 (en) * | 2009-04-02 | 2013-10-15 | Koninklijke Philips N.V. | Light emitting device and luminaire |
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- 2011-04-20 EP EP11163255A patent/EP2385400A3/en not_active Withdrawn
- 2011-04-27 JP JP2011099353A patent/JP2011238609A/ja active Pending
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- 2013-04-05 JP JP2013079144A patent/JP2013138031A/ja active Pending
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014046019A1 (ja) * | 2012-09-20 | 2014-03-27 | 株式会社 東芝 | 白色led照明装置 |
| JP2014063614A (ja) * | 2012-09-20 | 2014-04-10 | Toshiba Corp | 白色led照明装置 |
| US9746140B2 (en) | 2012-09-20 | 2017-08-29 | Kabushiki Kaisha Toshiba | LED lighting device |
| JP2014241227A (ja) * | 2013-06-11 | 2014-12-25 | 株式会社東芝 | 照明装置および光ガイド |
| US9810378B2 (en) | 2013-06-11 | 2017-11-07 | Kabushiki Kaisha Toshiba | Lighting apparatus and light guide |
| JP2014007174A (ja) * | 2013-10-16 | 2014-01-16 | Skg:Kk | 発光装置 |
| WO2016052025A1 (ja) * | 2014-09-30 | 2016-04-07 | 株式会社 東芝 | Ledモジュール及び照明装置 |
| JPWO2016052025A1 (ja) * | 2014-09-30 | 2017-04-27 | 株式会社東芝 | Ledモジュール及び照明装置 |
| JP2017050286A (ja) * | 2016-11-16 | 2017-03-09 | 株式会社東芝 | Led照明装置、および導光部材 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8482186B2 (en) | 2013-07-09 |
| TW201139921A (en) | 2011-11-16 |
| EP2385400A3 (en) | 2012-03-07 |
| EP2385400A2 (en) | 2011-11-09 |
| TWI407045B (zh) | 2013-09-01 |
| US20110266939A1 (en) | 2011-11-03 |
| JP2013138031A (ja) | 2013-07-11 |
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