JP2008171685A - 照明器具 - Google Patents
照明器具 Download PDFInfo
- Publication number
- JP2008171685A JP2008171685A JP2007003821A JP2007003821A JP2008171685A JP 2008171685 A JP2008171685 A JP 2008171685A JP 2007003821 A JP2007003821 A JP 2007003821A JP 2007003821 A JP2007003821 A JP 2007003821A JP 2008171685 A JP2008171685 A JP 2008171685A
- Authority
- JP
- Japan
- Prior art keywords
- light source
- reflector
- rod
- reflecting
- shaped light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- F21V7/0025—Combination of two or more reflectors for a single light source
-
- 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
-
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
- F21Y2103/37—U-shaped
-
- 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
- F21Y2113/00—Combination of light sources
Abstract
【解決手段】光を反射させるために内面を反射面とした笠状の反射板2と、反射板2の天板部2a近傍に基端部を固定して反射板2内に挿入される複数の棒状光源ランプ1とを有する照明器具10において、反射板2の天板部2aの中央付近に、外面を反射面とした反射体3を反射板2の開口側に向けて突出するように配置し、反射体3の突出長さd1が、反射板2内の棒状光源ランプの突出長さd2の1/3〜3/4となるようにした。
【選択図】図1
Description
2 反射板
2a 天板部
2b 第1傾斜部
2c 第2傾斜部
2d 第3傾斜部
2e 第4傾斜部
2f 切欠き
3 反射体
3a 反射面
4 本体部
4a 支持部材
Claims (4)
- 光を反射させるために内面を反射面とした笠状の反射板と、反射板の天板部近傍に基端部を固定して反射板内に挿入される複数の棒状光源ランプとを有する照明器具であって、
前記反射板の天板部の中央付近に、外面を反射面とした反射体を反射板の開口側に向けて突出するように配置し、
前記反射体の突出長さが、前記反射板内の棒状光源ランプの突出長さの1/3〜3/4である照明器具。 - 前記反射体の反射面と前記棒状光源ランプの外周面との距離が8mm以上である請求項1に記載の照明器具。
- 前記棒状光源ランプが角柱状の形状を有し、前記棒状光源ランプの外周面と、これに対向する前記反射体の反射面とが非平行である請求項1又は2に記載の照明器具。
- 前記反射体の反射面が3面以上ある請求項1〜3のいずれかに記載の照明器具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007003821A JP2008171685A (ja) | 2007-01-11 | 2007-01-11 | 照明器具 |
US12/522,475 US20100135016A1 (en) | 2007-01-11 | 2007-04-10 | Lamp unit |
KR1020097014885A KR20090113828A (ko) | 2007-01-11 | 2007-04-10 | 조명기구 |
PCT/JP2007/057916 WO2008084562A1 (ja) | 2007-01-11 | 2007-04-10 | 照明器具 |
CNA2007800497154A CN101606018A (zh) | 2007-01-11 | 2007-04-10 | 照明器具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007003821A JP2008171685A (ja) | 2007-01-11 | 2007-01-11 | 照明器具 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008171685A true JP2008171685A (ja) | 2008-07-24 |
Family
ID=39608463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007003821A Pending JP2008171685A (ja) | 2007-01-11 | 2007-01-11 | 照明器具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100135016A1 (ja) |
JP (1) | JP2008171685A (ja) |
KR (1) | KR20090113828A (ja) |
CN (1) | CN101606018A (ja) |
WO (1) | WO2008084562A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011004297A1 (en) * | 2009-07-08 | 2011-01-13 | Koninklijke Philips Electronics N.V. | An illumination device |
US10264637B2 (en) | 2009-09-24 | 2019-04-16 | Cree, Inc. | Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof |
US8901845B2 (en) | 2009-09-24 | 2014-12-02 | Cree, Inc. | Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods |
US9713211B2 (en) | 2009-09-24 | 2017-07-18 | Cree, Inc. | Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof |
US8602579B2 (en) | 2009-09-25 | 2013-12-10 | Cree, Inc. | Lighting devices including thermally conductive housings and related structures |
US8777449B2 (en) | 2009-09-25 | 2014-07-15 | Cree, Inc. | Lighting devices comprising solid state light emitters |
US9068719B2 (en) * | 2009-09-25 | 2015-06-30 | Cree, Inc. | Light engines for lighting devices |
US9285103B2 (en) * | 2009-09-25 | 2016-03-15 | Cree, Inc. | Light engines for lighting devices |
US8476836B2 (en) | 2010-05-07 | 2013-07-02 | Cree, Inc. | AC driven solid state lighting apparatus with LED string including switched segments |
US9839083B2 (en) | 2011-06-03 | 2017-12-05 | Cree, Inc. | Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same |
US8742671B2 (en) | 2011-07-28 | 2014-06-03 | Cree, Inc. | Solid state lighting apparatus and methods using integrated driver circuitry |
USD718489S1 (en) * | 2014-04-01 | 2014-11-25 | Cooper Technologies Company | Recessed luminaire housing top |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61225708A (ja) * | 1985-03-29 | 1986-10-07 | 東芝ライテック株式会社 | 照明装置 |
JP2006059707A (ja) * | 2004-08-20 | 2006-03-02 | Miyoji Ishibashi | 照明器具 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520436A (en) * | 1983-03-25 | 1985-05-28 | Nrg Inc. Mn | Lamp apparatus |
US6068388A (en) * | 1996-02-28 | 2000-05-30 | Eppi Lighting, Inc. | Dual reflector lighting system |
US7252406B2 (en) * | 2003-04-04 | 2007-08-07 | Purespectrum Llc | Fluorescent lamp system using reflectors |
-
2007
- 2007-01-11 JP JP2007003821A patent/JP2008171685A/ja active Pending
- 2007-04-10 WO PCT/JP2007/057916 patent/WO2008084562A1/ja active Application Filing
- 2007-04-10 KR KR1020097014885A patent/KR20090113828A/ko not_active Application Discontinuation
- 2007-04-10 US US12/522,475 patent/US20100135016A1/en not_active Abandoned
- 2007-04-10 CN CNA2007800497154A patent/CN101606018A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61225708A (ja) * | 1985-03-29 | 1986-10-07 | 東芝ライテック株式会社 | 照明装置 |
JP2006059707A (ja) * | 2004-08-20 | 2006-03-02 | Miyoji Ishibashi | 照明器具 |
Also Published As
Publication number | Publication date |
---|---|
WO2008084562A1 (ja) | 2008-07-17 |
US20100135016A1 (en) | 2010-06-03 |
CN101606018A (zh) | 2009-12-16 |
KR20090113828A (ko) | 2009-11-02 |
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