JP2012094276A - 点灯装置および、これを用いた照明器具 - Google Patents
点灯装置および、これを用いた照明器具 Download PDFInfo
- Publication number
- JP2012094276A JP2012094276A JP2010238401A JP2010238401A JP2012094276A JP 2012094276 A JP2012094276 A JP 2012094276A JP 2010238401 A JP2010238401 A JP 2010238401A JP 2010238401 A JP2010238401 A JP 2010238401A JP 2012094276 A JP2012094276 A JP 2012094276A
- Authority
- JP
- Japan
- Prior art keywords
- light source
- shutter
- lighting device
- voltage
- current
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
- F21V23/008—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being outside the housing of the lighting device
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/008—Aspects relating to glasses for viewing stereoscopic images
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
【解決手段】複数種類のシャッター周波数のうち、いずれか1つのシャッター周波数で一対のレンズの各透光面を交互に遮断するシャッターを備える3Dメガネを使用する空間に用いられる点灯装置において、光源6に直流電流I1を出力する降圧チョッパ回路3と、光源6への直流電流I1の供給を、所定のPWM周波数でオン・オフする制御部4とを備え、PWM周波数は、複数種類のシャッター周波数の最小公倍数の整数倍である。
【選択図】図1
Description
本実施形態の点灯装置1の回路構成図を図1に示す。
本実施形態の照明器具8は、実施形態1の点灯装置1と、光源6とで構成されている。図6に、照明器具8の概略断面図を示す。
2 電源回路
3 降圧チョッパ回路
4 制御回路
5 制御電源回路
6 光源
21 フィルタ回路
22 整流平滑回路
41 制御用集積回路
61 LED素子
Claims (4)
- 複数種類のシャッター周波数のうち、いずれか1つの前記シャッター周波数で一対のレンズの各透光面を交互に遮断するシャッターを備える3Dメガネを使用する空間に用いられる点灯装置において、
光源に直流電流を出力する点灯部と、
前記光源への前記直流電流の供給を、所定のPWM周波数でオン・オフする調光部とを備え、
前記PWM周波数は、前記複数種類のシャッター周波数の最小公倍数の整数倍であることを特徴とする点灯装置。 - 前記PWM周波数は、前記最小公倍数の偶数倍であることを特徴とする請求項1記載の点灯装置。
- 前記光源への前記直流電流の供給をオンまたはオフするタイミングと、前記3Dメガネのレンズのシャッターが開閉するタイミングとを一致させるタイミング同期部を備えることを特徴とする請求項1または2記載の点灯装置。
- 請求項1乃至3のいずれか1項に記載の点灯装置と、当該点灯装置が出力する前記直流電流によって点灯する光源とを備えることを特徴とする照明器具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010238401A JP5552022B2 (ja) | 2010-10-25 | 2010-10-25 | 点灯装置および、これを用いた照明器具 |
EP11184908A EP2445316B1 (en) | 2010-10-25 | 2011-10-12 | Lighting device and illumination fixture using the same |
US13/277,540 US20120098450A1 (en) | 2010-10-25 | 2011-10-20 | Lighting device and illumination apparatus using same |
CN2011103251012A CN102573206A (zh) | 2010-10-25 | 2011-10-24 | 点亮装置和使用该点亮装置的照明设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010238401A JP5552022B2 (ja) | 2010-10-25 | 2010-10-25 | 点灯装置および、これを用いた照明器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012094276A true JP2012094276A (ja) | 2012-05-17 |
JP5552022B2 JP5552022B2 (ja) | 2014-07-16 |
Family
ID=44905484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010238401A Active JP5552022B2 (ja) | 2010-10-25 | 2010-10-25 | 点灯装置および、これを用いた照明器具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120098450A1 (ja) |
EP (1) | EP2445316B1 (ja) |
JP (1) | JP5552022B2 (ja) |
CN (1) | CN102573206A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015106447A (ja) * | 2013-11-28 | 2015-06-08 | パナソニックIpマネジメント株式会社 | 照明器具 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6131511B2 (ja) * | 2012-10-10 | 2017-05-24 | パナソニックIpマネジメント株式会社 | 点灯装置およびそれを用いた照明器具 |
TWI579580B (zh) * | 2013-09-30 | 2017-04-21 | 鴻海精密工業股份有限公司 | 定位光源裝置、定位裝置及定位方法 |
RU2752654C1 (ru) | 2018-03-09 | 2021-07-29 | Макс-Планк-Гезелльшафт Цур Фердерунг Дер Виссеншафтен Е.Ф. | Система для отображения информации пользователю |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001320734A (ja) * | 2000-05-12 | 2001-11-16 | Sony Corp | 立体画像表示装置 |
JP2006079990A (ja) * | 2004-09-10 | 2006-03-23 | Nippon Hoso Kyokai <Nhk> | Led照明装置 |
JP2012029234A (ja) * | 2010-07-27 | 2012-02-09 | Toshiba Corp | 映像信号受信装置、映像信号受信方法、映像表示装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5821989A (en) * | 1990-06-11 | 1998-10-13 | Vrex, Inc. | Stereoscopic 3-D viewing system and glasses having electrooptical shutters controlled by control signals produced using horizontal pulse detection within the vertical synchronization pulse period of computer generated video signals |
US20080024598A1 (en) * | 2000-07-21 | 2008-01-31 | New York University | Autostereoscopic display |
WO2002032149A2 (en) * | 2000-10-12 | 2002-04-18 | Reveo, Inc. | 3d projection system with a digital micromirror device |
FI117146B (fi) * | 2001-06-18 | 2006-06-30 | Karri Tapani Palovuori | Suljintoimintoon perustuva laitteisto stereo- tai monikanavakuvan projisoimiseksi |
JP2007525120A (ja) * | 2004-02-07 | 2007-08-30 | アマル,パトリック,ロマン | 像を観察するための持ち運び可能な装置及び生成方法 |
US20080316303A1 (en) * | 2007-06-08 | 2008-12-25 | Joseph Chiu | Display Device |
US7622697B2 (en) * | 2007-06-26 | 2009-11-24 | Microsemi Corp. - Analog Mixed Signal Group Ltd. | Brightness control for dynamic scanning backlight |
US20100079585A1 (en) * | 2008-09-29 | 2010-04-01 | Disney Enterprises, Inc. | Interactive theater with audience participation |
-
2010
- 2010-10-25 JP JP2010238401A patent/JP5552022B2/ja active Active
-
2011
- 2011-10-12 EP EP11184908A patent/EP2445316B1/en not_active Not-in-force
- 2011-10-20 US US13/277,540 patent/US20120098450A1/en not_active Abandoned
- 2011-10-24 CN CN2011103251012A patent/CN102573206A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001320734A (ja) * | 2000-05-12 | 2001-11-16 | Sony Corp | 立体画像表示装置 |
JP2006079990A (ja) * | 2004-09-10 | 2006-03-23 | Nippon Hoso Kyokai <Nhk> | Led照明装置 |
JP2012029234A (ja) * | 2010-07-27 | 2012-02-09 | Toshiba Corp | 映像信号受信装置、映像信号受信方法、映像表示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015106447A (ja) * | 2013-11-28 | 2015-06-08 | パナソニックIpマネジメント株式会社 | 照明器具 |
Also Published As
Publication number | Publication date |
---|---|
JP5552022B2 (ja) | 2014-07-16 |
EP2445316B1 (en) | 2012-11-21 |
US20120098450A1 (en) | 2012-04-26 |
CN102573206A (zh) | 2012-07-11 |
EP2445316A1 (en) | 2012-04-25 |
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