JP6372776B2 - 光源装置及び点灯装置、照明器具 - Google Patents
光源装置及び点灯装置、照明器具 Download PDFInfo
- Publication number
- JP6372776B2 JP6372776B2 JP2014045605A JP2014045605A JP6372776B2 JP 6372776 B2 JP6372776 B2 JP 6372776B2 JP 2014045605 A JP2014045605 A JP 2014045605A JP 2014045605 A JP2014045605 A JP 2014045605A JP 6372776 B2 JP6372776 B2 JP 6372776B2
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- JP
- Japan
- Prior art keywords
- light source
- control unit
- unit
- voltage
- power supply
- 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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- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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]
- H05B45/10—Controlling the intensity of the light
- H05B45/12—Controlling the intensity of the light using optical feedback
-
- 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
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
2 電源ユニット(点灯装置)
10A〜10C 光源部
11 第1制御部
13A〜13C スイッチ素子
104A〜104C LEDアレイ(固体発光素子)
Claims (6)
- 複数の光源部と、前記複数の光源部と一対一に対応して直列に接続される複数のスイッチ素子と、前記複数のスイッチ素子の各々をオン及びオフする第1制御部とを備え、
前記複数の光源部は、1乃至複数個の固体発光素子を有し、
前記第1制御部は、前記複数の光源部に印加される直流電圧が所定のしきい値を超えた後、前記複数の光源部の各々の特性に対応した所定の順序で前記複数のスイッチ素子をオン及びオフするように構成されることを特徴とする光源装置。 - 前記第1制御部は、前記順序で前記複数のスイッチ素子をオン及びオフすることにより、前記光源部の特性に関する複数の情報を外部に出力するように構成されることを特徴とする請求項1記載の光源装置。
- 前記第1制御部は、前記情報として、前記光源部の個数と、前記各光源部の定格電流値とを外部に出力するように構成されることを特徴とする請求項2記載の光源装置。
- 電源部と、第2制御部とを備え、
前記電源部は、請求項1〜3の光源装置と電気的に接続されるように構成され、
さらに、前記電源部は、直流の出力電圧及び出力電流を可変とするように構成され、
前記第2制御部は、前記電源部を制御して、前記出力電圧及び前記出力電流を調整するように構成され、
さらに、前記第2制御部は、前記光源装置に印加される直流電圧が前記しきい値を超えた後、前記光源装置に印加される直流電圧の電圧レベルの変化に基づいて、前記光源装置の前記光源部の特性を知るように構成されることを特徴とする点灯装置。 - 前記第2制御部は、前記光源部の特性が不適合であると判断した場合、前記電源部を制御して前記出力電圧及び出力電流を減少又は停止するように構成されることを特徴とする請求項4記載の点灯装置。
- 請求項1〜3の光源装置と、請求項4又は5の点灯装置と、前記光源装置及び前記点灯装置を支持する器具本体とを備えることを特徴とする照明器具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014045605A JP6372776B2 (ja) | 2014-03-07 | 2014-03-07 | 光源装置及び点灯装置、照明器具 |
US14/615,739 US9615424B2 (en) | 2014-03-07 | 2015-02-06 | Light source device, lighting device, and luminaire |
DE102015101865.9A DE102015101865A1 (de) | 2014-03-07 | 2015-02-10 | Lichtquelleneinrichtung, Beleuchtungsbaugruppe und Leuchte |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014045605A JP6372776B2 (ja) | 2014-03-07 | 2014-03-07 | 光源装置及び点灯装置、照明器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015170533A JP2015170533A (ja) | 2015-09-28 |
JP6372776B2 true JP6372776B2 (ja) | 2018-08-15 |
Family
ID=53884091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014045605A Active JP6372776B2 (ja) | 2014-03-07 | 2014-03-07 | 光源装置及び点灯装置、照明器具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9615424B2 (ja) |
JP (1) | JP6372776B2 (ja) |
DE (1) | DE102015101865A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6195199B2 (ja) * | 2014-04-03 | 2017-09-13 | パナソニックIpマネジメント株式会社 | 調光装置 |
JP2017059825A (ja) * | 2015-09-15 | 2017-03-23 | パナソニックIpマネジメント株式会社 | 半導体光源駆動装置、及び投写型映像表示装置 |
JP6775189B2 (ja) * | 2016-08-30 | 2020-10-28 | パナソニックIpマネジメント株式会社 | 点灯装置及び車両 |
CN109688662B (zh) * | 2019-01-02 | 2020-10-30 | 中冶南方工程技术有限公司 | 一种景观亮化智能调节装置及方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005093196A (ja) | 2003-09-17 | 2005-04-07 | Moritex Corp | 照明方法、照明装置及びその部品 |
JP2005191528A (ja) | 2003-12-01 | 2005-07-14 | Sharp Corp | 半導体発光装置のパルス駆動方法およびパルス駆動回路 |
JP2005184020A (ja) | 2005-01-12 | 2005-07-07 | Hunet Inc | Led駆動装置及びled駆動方法 |
JP2007220855A (ja) | 2006-02-16 | 2007-08-30 | Matsushita Electric Ind Co Ltd | Led点灯回路 |
US7589435B2 (en) * | 2006-08-02 | 2009-09-15 | Cisco Technology, Inc. | Reporting power requirements of a powered device |
US8405320B2 (en) * | 2009-10-15 | 2013-03-26 | Richtek Technology Corporation | Circuit and method for controlling light emitting device, and integrated circuit therefor |
US8810153B2 (en) * | 2010-07-16 | 2014-08-19 | Texas Instruments Incorporation | Led power supply systems and methods |
JP5046068B2 (ja) * | 2010-08-25 | 2012-10-10 | 東芝ライテック株式会社 | 照明装置 |
JP5942314B2 (ja) * | 2011-02-22 | 2016-06-29 | パナソニックIpマネジメント株式会社 | 点灯装置および、これを用いた照明器具 |
JP5834237B2 (ja) | 2011-06-15 | 2015-12-16 | パナソニックIpマネジメント株式会社 | 照明装置 |
DE102011112188A1 (de) * | 2011-09-01 | 2013-03-07 | Austriamicrosystems Ag | Treiberschaltung und Verfahren zum Treiben einer elektrischen Last |
JP5962017B2 (ja) * | 2012-01-11 | 2016-08-03 | サンケン電気株式会社 | 発光素子駆動装置 |
TW201343000A (zh) * | 2012-04-13 | 2013-10-16 | Ampower Technology Co Ltd | 發光二極體驅動系統及方法 |
TWI533744B (zh) * | 2012-06-13 | 2016-05-11 | 友達光電股份有限公司 | 發光二極體串的驅動電路及其驅動方法 |
-
2014
- 2014-03-07 JP JP2014045605A patent/JP6372776B2/ja active Active
-
2015
- 2015-02-06 US US14/615,739 patent/US9615424B2/en not_active Expired - Fee Related
- 2015-02-10 DE DE102015101865.9A patent/DE102015101865A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US9615424B2 (en) | 2017-04-04 |
US20150257212A1 (en) | 2015-09-10 |
DE102015101865A1 (de) | 2015-09-10 |
JP2015170533A (ja) | 2015-09-28 |
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