JP2018515878A - ライトガイドを使用する照明システム - Google Patents
ライトガイドを使用する照明システム Download PDFInfo
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- JP2018515878A JP2018515878A JP2017551186A JP2017551186A JP2018515878A JP 2018515878 A JP2018515878 A JP 2018515878A JP 2017551186 A JP2017551186 A JP 2017551186A JP 2017551186 A JP2017551186 A JP 2017551186A JP 2018515878 A JP2018515878 A JP 2018515878A
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- JP
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- light
- light guide
- leds
- collimator
- angle
- Prior art date
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- 238000009826 distribution Methods 0.000 claims abstract description 22
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- SXHLTVKPNQVZGL-UHFFFAOYSA-N 1,2-dichloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C=CC=2)Cl)=C1 SXHLTVKPNQVZGL-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
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- 239000004033 plastic Substances 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Images
Classifications
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from 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
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
- G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
-
- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
-
- 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
- G02B6/002—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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
LEDのアレイと、
LEDのアレイに取り付けられ、LEDから出力される光をコリメートするコリメータ構成部と、
コリメータ構成部に取り付けられるライトガイドと、
を含み、
ライトガイドは、
長さ方向を有し、1つの光入力端がコリメータ構成部に取り付けられる細長い構造体と、
光入力端と平行に幅方向に延在し、ライトガイドの外側弓状表面から光を出力させる光抽出特徴部と、
を含み、
長さ方向に垂直な横断面における全体形状は、非円弧を含み、LEDのアレイは、対応する非円弧に従い、
角度βは、光抽出特徴部の法線nと長さ方向に対する法線との間の角度であり、角度βは、光入力端と平行な方向において、少なくとも1回、徐々に又は突然に変化する、照明システムが提供される。
即ち、光線r1は、臨界角で点Rに当たらなければならない(前面を介する最大抽出)。
光線r2は、臨界角で点Pに当たらなければならない(ライトガイド内の光の最大開口角α)。
反射ファセット100に対する法線nの角度β。
材料内の放射線の角度範囲の角度α。
Claims (15)
- LEDのアレイと、
前記LEDのアレイに取り付けられ、前記LEDから出力される光をコリメートするコリメータ構成部と、
前記コリメータ構成部に取り付けられるライトガイドと、
を含み、
前記ライトガイドは、
長さ方向を有し、1つの光入力端が前記コリメータ構成部に取り付けられる細長い構造体と、
前記光入力端と平行に幅方向に延在し、前記ライトガイドの外側弓状表面から光を出力させる光抽出特徴部と、
を含み、
前記長さ方向に垂直な横断面における全体形状は、非円弧を含み、前記LEDのアレイは、対応する非円弧に従い、
角度βは、前記光抽出特徴部の法線nと前記長さ方向との間の角度であって、前記角度βは、前記光入力端と平行な方向において、少なくとも1回、徐々に又は突然に変化する、照明システム。 - 前記光抽出特徴部は、前記ライトガイドの内側弓状表面に提供される、請求項1に記載のシステム。
- 前記光抽出特徴部は、傾斜ファセットを含む、請求項1に記載のシステム。
- 前記光入力端と平行な前記方向において、前記ライトガイドは、左右に配置される複数のセクションを含み、前記角度βは、各セクションにおいて同じであるが、少なくとも2つのセクションについて、前記角度βは相互に異なる、請求項1乃至3の何れか一項に記載のシステム。
- 前記ライトガイドの各セクションは、前記長さ方向と平行及び前記外側弓状表面に垂直な方向と平行な平面において、対応する同じ断面形状を有する、請求項4に記載のシステム。
- 前記複数のセクションは、外側セクションと中央セクションとを含み、前記中央セクションから前記中央セクションの両側に等距離に配置される前記外側セクションは、鏡面状に配置され、前記外側セクションの対応する光抽出特徴部は、同じ角度βを有する、請求項4又は5に記載のシステム。
- 前記コリメータ構成部は、レンズ部とリフレクタ部とを有する全反射コリメータを含む、請求項1乃至6の何れか一項に記載のシステム。
- 前記全反射コリメータは、回転対称である、請求項7に記載のシステム。
- 前記ライトガイドは、チャネルの底部に前記コリメータ構成部の細長いレンズ面を規定する前記チャネルを含む、請求項1乃至6の何れか一項に記載のシステム。
- 前記コリメータ構成部は更に、テーパ側壁としてのリフレクタ部を含む、請求項9に記載のシステム。
- 前記ライトガイドは、前記光入力端から離れるにつれて減少する厚さを有し、段階的な減少は、前記光抽出特徴部によって規定される、請求項1乃至10の何れか一項に記載のシステム。
- 前記ライトガイドは、前記光抽出特徴部を除き、一定の厚さを有し、前記光抽出特徴部は、***又は沈下した突出部を含む、請求項1乃至10の何れか一項に記載のシステム。
- 前記LEDは、前記LEDの非円弧に沿って均一に配置される、請求項1乃至12の何れか一項に記載のシステム。
- 前記長さ方向に垂直な平面において非対称の角光出力強度分布を有する、請求項1乃至13の何れか一項に記載のシステム。
- 前記非円弧は、楕円弧を含む、請求項1乃至14の何れか一項に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15161864 | 2015-03-31 | ||
EP15161864.2 | 2015-03-31 | ||
PCT/EP2016/056330 WO2016156138A1 (en) | 2015-03-31 | 2016-03-23 | Lighting system using a lightguide. |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018515878A true JP2018515878A (ja) | 2018-06-14 |
JP2018515878A5 JP2018515878A5 (ja) | 2019-05-09 |
JP6810701B2 JP6810701B2 (ja) | 2021-01-06 |
Family
ID=52807670
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JP2017551186A Active JP6810701B2 (ja) | 2015-03-31 | 2016-03-23 | ライトガイドを使用する照明システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US10338299B2 (ja) |
EP (1) | EP3278013B1 (ja) |
JP (1) | JP6810701B2 (ja) |
CN (1) | CN107533185A (ja) |
WO (1) | WO2016156138A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3861246A1 (en) * | 2018-10-04 | 2021-08-11 | Quarkstar LLC | Compact illumination devices and compact illumination devices with spatially controllable light emission |
Citations (5)
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JP2004516684A (ja) * | 2000-12-22 | 2004-06-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ledモジュール |
KR20070010431A (ko) * | 2005-07-18 | 2007-01-24 | 주식회사 에스엘 엘씨디 | 산란패턴이 형성된 도광판 |
JP2009099271A (ja) * | 2007-10-12 | 2009-05-07 | Harison Toshiba Lighting Corp | 中空式面照明装置 |
JP2009526368A (ja) * | 2006-02-10 | 2009-07-16 | アールピーシー フォトニクス インコーポレーテッド | 照明を導くための光学装置 |
US20130201717A1 (en) * | 2012-02-08 | 2013-08-08 | Qualcomm Mems Technologies, Inc. | Lampshade with tapered light guide |
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US20070018970A1 (en) * | 2000-12-22 | 2007-01-25 | Logitech Europe S.A. | Optical slider for input devices |
JP2009503793A (ja) | 2005-07-28 | 2009-01-29 | ライト プレスクリプションズ イノベーターズ エルエルシー | バックライトおよびフロントライト用のエテンデュ保存型照明光学部品 |
CN1959195A (zh) | 2006-12-05 | 2007-05-09 | 任少华 | 由曲面导光板构成的用于照明灯具的曲面光源 |
WO2009130653A1 (en) | 2008-04-23 | 2009-10-29 | Koninklijke Philips Electronics N.V. | A lighting system |
EP2161599A1 (en) | 2008-09-04 | 2010-03-10 | Robert Bosch Gmbh | Cylindrical light guide and illuminating device |
US8783898B2 (en) * | 2009-05-01 | 2014-07-22 | Abl Ip Holding Llc | Light emitting devices and applications thereof |
US20100315811A1 (en) | 2009-06-10 | 2010-12-16 | Shih-Chou Chen | Curved light guiding illuminator |
US20140140091A1 (en) | 2012-11-20 | 2014-05-22 | Sergiy Victorovich Vasylyev | Waveguide illumination system |
CN103775849A (zh) | 2012-10-18 | 2014-05-07 | 王金志 | 一种led曲面导光灯 |
-
2016
- 2016-03-23 WO PCT/EP2016/056330 patent/WO2016156138A1/en active Application Filing
- 2016-03-23 JP JP2017551186A patent/JP6810701B2/ja active Active
- 2016-03-23 EP EP16711004.8A patent/EP3278013B1/en active Active
- 2016-03-23 CN CN201680020205.3A patent/CN107533185A/zh active Pending
- 2016-03-23 US US15/562,675 patent/US10338299B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004516684A (ja) * | 2000-12-22 | 2004-06-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ledモジュール |
KR20070010431A (ko) * | 2005-07-18 | 2007-01-24 | 주식회사 에스엘 엘씨디 | 산란패턴이 형성된 도광판 |
JP2009526368A (ja) * | 2006-02-10 | 2009-07-16 | アールピーシー フォトニクス インコーポレーテッド | 照明を導くための光学装置 |
JP2009099271A (ja) * | 2007-10-12 | 2009-05-07 | Harison Toshiba Lighting Corp | 中空式面照明装置 |
US20130201717A1 (en) * | 2012-02-08 | 2013-08-08 | Qualcomm Mems Technologies, Inc. | Lampshade with tapered light guide |
Also Published As
Publication number | Publication date |
---|---|
WO2016156138A1 (en) | 2016-10-06 |
JP6810701B2 (ja) | 2021-01-06 |
US20180095216A1 (en) | 2018-04-05 |
EP3278013B1 (en) | 2020-05-06 |
US10338299B2 (en) | 2019-07-02 |
CN107533185A (zh) | 2018-01-02 |
EP3278013A1 (en) | 2018-02-07 |
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