TWI636703B - 負載電流控制電路 - Google Patents
負載電流控制電路 Download PDFInfo
- Publication number
- TWI636703B TWI636703B TW102111386A TW102111386A TWI636703B TW I636703 B TWI636703 B TW I636703B TW 102111386 A TW102111386 A TW 102111386A TW 102111386 A TW102111386 A TW 102111386A TW I636703 B TWI636703 B TW I636703B
- Authority
- TW
- Taiwan
- Prior art keywords
- current
- voltage
- array
- light emitting
- emitting devices
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 47
- 230000004044 response Effects 0.000 claims abstract description 24
- 238000005286 illumination Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000005669 field effect Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 25
- 230000005855 radiation Effects 0.000 description 21
- 238000001816 cooling Methods 0.000 description 18
- 239000004065 semiconductor Substances 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 12
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 10
- 238000003491 array Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000011217 control strategy Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004298 light response Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
-
- 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
-
- 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]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261617496P | 2012-03-29 | 2012-03-29 | |
| US61/617,496 | 2012-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201349930A TW201349930A (zh) | 2013-12-01 |
| TWI636703B true TWI636703B (zh) | 2018-09-21 |
Family
ID=49233998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102111386A TWI636703B (zh) | 2012-03-29 | 2013-03-29 | 負載電流控制電路 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US9277623B2 (enExample) |
| EP (1) | EP2832187B1 (enExample) |
| JP (1) | JP2015519682A (enExample) |
| KR (1) | KR102119691B1 (enExample) |
| CN (1) | CN104247569B (enExample) |
| TW (1) | TWI636703B (enExample) |
| WO (1) | WO2013149082A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9277623B2 (en) * | 2012-03-29 | 2016-03-01 | Phoseon Technology, Inc. | Load current control circuit |
| US9313854B2 (en) * | 2014-06-19 | 2016-04-12 | Phoseon Technology, Inc. | LED drive current adjustment for irradiance step response output |
| US9320090B2 (en) | 2014-06-19 | 2016-04-19 | Phoseon Technology, Inc. | LED output response dampening for irradiance step response output |
| US9781789B1 (en) * | 2016-05-13 | 2017-10-03 | Allegro Microsystems, Llc | Apparatus and methods for LED control |
| US9992828B2 (en) * | 2016-05-13 | 2018-06-05 | Phoseon Technology, Inc. | Methods and systems for accelerated start-up for a switching regulator |
| US10412797B2 (en) | 2016-05-13 | 2019-09-10 | Allegro Microsystems, Llc | Apparatus and methods for converter mode and load configuration control |
| DE112017004777T5 (de) * | 2016-09-23 | 2019-06-19 | Phoseon Technology, Inc. | Beleuchtungssteuerungsvorladekreis |
| JP2019029529A (ja) * | 2017-07-31 | 2019-02-21 | パナソニック デバイスＳｕｎｘ株式会社 | 紫外線照射装置 |
| US11209878B2 (en) * | 2018-07-31 | 2021-12-28 | Taiwan Semiconductor Manufacturing Co., Ltd. | Discrete time loop based thermal control |
| US10411600B1 (en) | 2019-01-28 | 2019-09-10 | Allegro Microsystems, Llc | Apparatus and methods for converter mode and load configuration control |
| CN112445258B (zh) * | 2020-11-12 | 2022-11-15 | Oppo（重庆）智能科技有限公司 | 电压控制方法、光源电压控制器和光发射组件 |
| KR20230050734A (ko) | 2021-10-08 | 2023-04-17 | 고건영 | 멀티무선충전기 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379887A (zh) * | 2005-12-20 | 2009-03-04 | Tir科技公司 | 控制提供到电子器件的电流的方法和装置 |
| US20090273290A1 (en) * | 2008-05-05 | 2009-11-05 | Micrel, Inc. | Boost LED Driver Not Using Output Capacitor and Blocking Diode |
| CN101848577A (zh) * | 2010-03-16 | 2010-09-29 | 成都芯源系统有限公司 | 一种led驱动系统及驱动方法 |
| CN102118903A (zh) * | 2009-12-30 | 2011-07-06 | 富准精密工业(深圳)有限公司 | 发光二极管灯具的驱动电路 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5418369A (en) | 1993-03-12 | 1995-05-23 | At&T Corp. | System for continuously monitoring curing energy levels within a curing unit |
| US6456895B1 (en) | 1999-09-13 | 2002-09-24 | Fitel Usa Corp. | Method and apparatus for detecting conditions in a UV curing lamp system |
| US7276861B1 (en) | 2004-09-21 | 2007-10-02 | Exclara, Inc. | System and method for driving LED |
| KR100638723B1 (ko) | 2005-02-04 | 2006-10-30 | 삼성전기주식회사 | Led 어레이 구동 장치 및 이를 이용한 백라이트 구동 장치 |
| TWI266273B (en) * | 2005-04-26 | 2006-11-11 | Coretronic Corp | Control circuit for balancing current and method thereof |
| US20070114951A1 (en) * | 2005-11-22 | 2007-05-24 | Tsen Chia-Hung | Drive circuit for a light emitting diode array |
| JP4888082B2 (ja) * | 2006-11-24 | 2012-02-29 | パナソニック電工株式会社 | Ｌｅｄ点灯回路およびそれを用いる照明器具 |
| US7675246B2 (en) * | 2006-12-18 | 2010-03-09 | Addtek Corp. | Driving circuit and related driving method for providing feedback control and open-circuit protection |
| US7828465B2 (en) * | 2007-05-04 | 2010-11-09 | Koninlijke Philips Electronis N.V. | LED-based fixtures and related methods for thermal management |
| US8421364B2 (en) * | 2008-07-15 | 2013-04-16 | Intersil Americas Inc. | Transient suppression for boost regulator |
| US8253352B2 (en) | 2008-08-05 | 2012-08-28 | O2Micro, Inc. | Circuits and methods for powering light sources |
| US8159204B2 (en) * | 2008-09-29 | 2012-04-17 | Active-Semi, Inc. | Regulating current output from a buck converter without external current sensing |
| US8072160B2 (en) * | 2008-12-22 | 2011-12-06 | Bcd Semiconductor Manufacturing Limited | Low power non-isolated driver |
| US8134302B2 (en) * | 2009-09-14 | 2012-03-13 | System General Corporation | Offline LED driving circuits |
| JP5566151B2 (ja) * | 2010-03-26 | 2014-08-06 | パナソニック株式会社 | 発光素子点灯装置及びこれを用いた灯具並びに照明器具 |
| CN201700061U (zh) * | 2010-06-11 | 2011-01-05 | 卢国泰 | 高功率因素led电源驱动器 |
| EP2418183B1 (en) | 2010-08-10 | 2018-07-25 | Draka Comteq B.V. | Method for curing coated glass fibres providing increased UVLED intensitiy |
| DE102010045389B4 (de) * | 2010-09-15 | 2012-12-06 | Austriamicrosystems Ag | Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last |
| DE102011107089B4 (de) * | 2011-07-11 | 2013-06-06 | Austriamicrosystems Ag | Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last |
| US9277623B2 (en) * | 2012-03-29 | 2016-03-01 | Phoseon Technology, Inc. | Load current control circuit |
| US9866117B2 (en) * | 2013-03-11 | 2018-01-09 | Cree, Inc. | Power supply with adaptive-controlled output voltage |
-
2013
- 2013-03-14 US US13/830,887 patent/US9277623B2/en not_active Expired - Fee Related
- 2013-03-28 JP JP2015503616A patent/JP2015519682A/ja active Pending
- 2013-03-28 CN CN201380017223.2A patent/CN104247569B/zh not_active Expired - Fee Related
- 2013-03-28 WO PCT/US2013/034485 patent/WO2013149082A1/en not_active Ceased
- 2013-03-28 EP EP13767482.6A patent/EP2832187B1/en active Active
- 2013-03-28 KR KR1020147027504A patent/KR102119691B1/ko not_active Expired - Fee Related
- 2013-03-29 TW TW102111386A patent/TWI636703B/zh not_active IP Right Cessation
-
2015
- 2015-12-10 US US14/965,771 patent/US9867252B2/en active Active
-
2018
- 2018-01-09 US US15/866,357 patent/US10231307B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379887A (zh) * | 2005-12-20 | 2009-03-04 | Tir科技公司 | 控制提供到电子器件的电流的方法和装置 |
| US20090273290A1 (en) * | 2008-05-05 | 2009-11-05 | Micrel, Inc. | Boost LED Driver Not Using Output Capacitor and Blocking Diode |
| CN102118903A (zh) * | 2009-12-30 | 2011-07-06 | 富准精密工业(深圳)有限公司 | 发光二极管灯具的驱动电路 |
| CN101848577A (zh) * | 2010-03-16 | 2010-09-29 | 成都芯源系统有限公司 | 一种led驱动系统及驱动方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013149082A1 (en) | 2013-10-03 |
| CN104247569B (zh) | 2018-04-17 |
| JP2015519682A (ja) | 2015-07-09 |
| EP2832187A4 (en) | 2016-03-23 |
| KR102119691B1 (ko) | 2020-06-08 |
| CN104247569A (zh) | 2014-12-24 |
| US20130257313A1 (en) | 2013-10-03 |
| KR20150002636A (ko) | 2015-01-07 |
| US20160100467A1 (en) | 2016-04-07 |
| US20180132324A1 (en) | 2018-05-10 |
| EP2832187A1 (en) | 2015-02-04 |
| US9277623B2 (en) | 2016-03-01 |
| US10231307B2 (en) | 2019-03-12 |
| TW201349930A (zh) | 2013-12-01 |
| EP2832187B1 (en) | 2020-02-26 |
| US9867252B2 (en) | 2018-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |