EP2015612A3 - Verfahren zur LED-Ansteuerung - Google Patents
Verfahren zur LED-Ansteuerung Download PDFInfo
- Publication number
- EP2015612A3 EP2015612A3 EP08160322A EP08160322A EP2015612A3 EP 2015612 A3 EP2015612 A3 EP 2015612A3 EP 08160322 A EP08160322 A EP 08160322A EP 08160322 A EP08160322 A EP 08160322A EP 2015612 A3 EP2015612 A3 EP 2015612A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- led
- driving
- pulses
- duration
- 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.)
- Withdrawn
Links
Classifications
-
- 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
Landscapes
- Led Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08160322A EP2015612A3 (de) | 2007-07-12 | 2008-07-14 | Verfahren zur LED-Ansteuerung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07112349A EP2015611A1 (de) | 2007-07-12 | 2007-07-12 | Verfahren zur LED-Ansteuerung |
EP08160322A EP2015612A3 (de) | 2007-07-12 | 2008-07-14 | Verfahren zur LED-Ansteuerung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2015612A2 EP2015612A2 (de) | 2009-01-14 |
EP2015612A3 true EP2015612A3 (de) | 2012-02-08 |
Family
ID=38596711
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07112349A Withdrawn EP2015611A1 (de) | 2007-07-12 | 2007-07-12 | Verfahren zur LED-Ansteuerung |
EP08160322A Withdrawn EP2015612A3 (de) | 2007-07-12 | 2008-07-14 | Verfahren zur LED-Ansteuerung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07112349A Withdrawn EP2015611A1 (de) | 2007-07-12 | 2007-07-12 | Verfahren zur LED-Ansteuerung |
Country Status (1)
Country | Link |
---|---|
EP (2) | EP2015611A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102466146B (zh) * | 2010-11-09 | 2014-06-25 | 四川新力光源股份有限公司 | 一种脉冲led发光装置 |
CN102468414B (zh) * | 2010-11-09 | 2014-08-13 | 四川新力光源股份有限公司 | 脉冲led白光发光装置 |
WO2012137130A2 (en) | 2011-04-04 | 2012-10-11 | Sgm A/S | Method for driving leds |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6028694A (en) * | 1997-05-22 | 2000-02-22 | Schmidt; Gregory W. | Illumination device using pulse width modulation of a LED |
GB2408315A (en) * | 2003-09-18 | 2005-05-25 | Radiant Res Ltd | Illumination control system for light emitters |
WO2007020556A1 (en) * | 2005-08-15 | 2007-02-22 | Philips Intellectual Property & Standards Gmbh | Light source and method for producing light modifiable in colour and/or luminosity |
-
2007
- 2007-07-12 EP EP07112349A patent/EP2015611A1/de not_active Withdrawn
-
2008
- 2008-07-14 EP EP08160322A patent/EP2015612A3/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6028694A (en) * | 1997-05-22 | 2000-02-22 | Schmidt; Gregory W. | Illumination device using pulse width modulation of a LED |
GB2408315A (en) * | 2003-09-18 | 2005-05-25 | Radiant Res Ltd | Illumination control system for light emitters |
WO2007020556A1 (en) * | 2005-08-15 | 2007-02-22 | Philips Intellectual Property & Standards Gmbh | Light source and method for producing light modifiable in colour and/or luminosity |
Also Published As
Publication number | Publication date |
---|---|
EP2015612A2 (de) | 2009-01-14 |
EP2015611A1 (de) | 2009-01-14 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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PUAL | Search report despatched |
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Extension state: AL BA MK RS |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H05B 33/08 20060101AFI20111230BHEP |
|
AKY | No designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R108 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R108 Effective date: 20121017 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20120809 |