TW200423021A - Color temperature correction for phosphor converted LEDs - Google Patents
Color temperature correction for phosphor converted LEDs Download PDFInfo
- Publication number
- TW200423021A TW200423021A TW092136559A TW92136559A TW200423021A TW 200423021 A TW200423021 A TW 200423021A TW 092136559 A TW092136559 A TW 092136559A TW 92136559 A TW92136559 A TW 92136559A TW 200423021 A TW200423021 A TW 200423021A
- Authority
- TW
- Taiwan
- Prior art keywords
- emitting diode
- light
- light emitting
- current signal
- modulation
- Prior art date
Links
- 238000012937 correction Methods 0.000 title claims abstract description 51
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract description 9
- 238000000295 emission spectrum Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims description 40
- 230000008859 change Effects 0.000 claims description 5
- 210000004508 polar body Anatomy 0.000 claims description 3
- 241000277331 Salmonidae Species 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 241000586542 Aonidiella citrina Species 0.000 description 1
- 241000965201 Ephemera strigata Species 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000004456 color vision Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour 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]
- H05B45/20—Controlling the colour of the light
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
-
- 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
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- 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
Landscapes
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43685902P | 2002-12-26 | 2002-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200423021A true TW200423021A (en) | 2004-11-01 |
Family
ID=32682415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW092136559A TW200423021A (en) | 2002-12-26 | 2003-12-23 | Color temperature correction for phosphor converted LEDs |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20060114201A1 (enExample) |
| EP (1) | EP1579733B1 (enExample) |
| JP (1) | JP2006512759A (enExample) |
| KR (2) | KR101223943B1 (enExample) |
| CN (1) | CN100493280C (enExample) |
| AT (1) | ATE392122T1 (enExample) |
| AU (1) | AU2003286376A1 (enExample) |
| DE (1) | DE60320307T2 (enExample) |
| TW (1) | TW200423021A (enExample) |
| WO (1) | WO2004060024A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8773337B2 (en) | 2007-04-13 | 2014-07-08 | Intematix Corporation | Color temperature tunable white light source |
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| JPH02143142A (ja) * | 1988-11-24 | 1990-06-01 | Takashi Mori | バイオ実験装置 |
| US5532848A (en) * | 1992-11-25 | 1996-07-02 | Canon Information Systems, Inc. | Method and apparatus for adjusting correlated color temperature |
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-
2003
- 2003-12-18 WO PCT/IB2003/006099 patent/WO2004060024A1/en not_active Ceased
- 2003-12-18 US US10/540,670 patent/US20060114201A1/en not_active Abandoned
- 2003-12-18 KR KR1020057011977A patent/KR101223943B1/ko not_active Expired - Lifetime
- 2003-12-18 AU AU2003286376A patent/AU2003286376A1/en not_active Abandoned
- 2003-12-18 JP JP2004563473A patent/JP2006512759A/ja active Pending
- 2003-12-18 AT AT03777121T patent/ATE392122T1/de not_active IP Right Cessation
- 2003-12-18 KR KR1020117011987A patent/KR20110063700A/ko not_active Ceased
- 2003-12-18 EP EP03777121A patent/EP1579733B1/en not_active Expired - Lifetime
- 2003-12-18 DE DE60320307T patent/DE60320307T2/de not_active Expired - Lifetime
- 2003-12-18 CN CNB2003801075397A patent/CN100493280C/zh not_active Expired - Lifetime
- 2003-12-23 TW TW092136559A patent/TW200423021A/zh unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8773337B2 (en) | 2007-04-13 | 2014-07-08 | Intematix Corporation | Color temperature tunable white light source |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60320307D1 (de) | 2008-05-21 |
| AU2003286376A1 (en) | 2004-07-22 |
| KR20050088222A (ko) | 2005-09-02 |
| ATE392122T1 (de) | 2008-04-15 |
| DE60320307T2 (de) | 2009-05-14 |
| EP1579733B1 (en) | 2008-04-09 |
| KR20110063700A (ko) | 2011-06-13 |
| WO2004060024A1 (en) | 2004-07-15 |
| CN100493280C (zh) | 2009-05-27 |
| EP1579733A1 (en) | 2005-09-28 |
| US20060114201A1 (en) | 2006-06-01 |
| KR101223943B1 (ko) | 2013-01-18 |
| JP2006512759A (ja) | 2006-04-13 |
| CN1732717A (zh) | 2006-02-08 |
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