CN102810300B - 控制用于观看屏的有高亮度范围的发光二极管的装置 - Google Patents
控制用于观看屏的有高亮度范围的发光二极管的装置 Download PDFInfo
- Publication number
- CN102810300B CN102810300B CN201210239215.XA CN201210239215A CN102810300B CN 102810300 B CN102810300 B CN 102810300B CN 201210239215 A CN201210239215 A CN 201210239215A CN 102810300 B CN102810300 B CN 102810300B
- Authority
- CN
- China
- Prior art keywords
- signal
- brightness
- activation time
- pwm
- light
- 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.)
- Expired - Fee Related
Links
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- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
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- 238000011161 development Methods 0.000 description 3
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- 102100029143 RNA 3'-terminal phosphate cyclase Human genes 0.000 description 2
- IWUCXVSUMQZMFG-AFCXAGJDSA-N Ribavirin Chemical compound N1=C(C(=O)N)N=CN1[C@H]1[C@H](O)[C@H](O)[C@@H](CO)O1 IWUCXVSUMQZMFG-AFCXAGJDSA-N 0.000 description 2
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- 230000000295 complement effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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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]
- H05B45/10—Controlling the intensity of the light
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Led Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR11/01681 | 2011-06-01 | ||
| FR1101681A FR2976150B1 (fr) | 2011-06-01 | 2011-06-01 | Dispositif de commande de diodes electroluminescentes a tres grande dynamique de luminance pour ecran de visualisation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810300A CN102810300A (zh) | 2012-12-05 |
| CN102810300B true CN102810300B (zh) | 2016-01-20 |
Family
ID=44550428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210239215.XA Expired - Fee Related CN102810300B (zh) | 2011-06-01 | 2012-06-01 | 控制用于观看屏的有高亮度范围的发光二极管的装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9277617B2 (enExample) |
| JP (1) | JP6057366B2 (enExample) |
| CN (1) | CN102810300B (enExample) |
| FR (1) | FR2976150B1 (enExample) |
| IN (1) | IN2012DE01673A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376898A (zh) * | 2014-08-26 | 2016-03-02 | 艾笛森光电股份有限公司 | 照明装置及其方法 |
| CN104505018A (zh) * | 2014-12-12 | 2015-04-08 | 江苏开放大学 | 一种改进cpld设计的led显示屏异步显示控制系统 |
| CN109764633B (zh) * | 2019-03-06 | 2023-05-02 | 杭州华日家电有限公司 | 一种无霜冰箱自优化错峰化霜的控制方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6987787B1 (en) * | 2004-06-28 | 2006-01-17 | Rockwell Collins | LED brightness control system for a wide-range of luminance control |
| CN1760721A (zh) * | 2004-10-14 | 2006-04-19 | 索尼公司 | 发光元件驱动装置和显示系统 |
| CN101345025A (zh) * | 2007-07-13 | 2009-01-14 | 群康科技(深圳)有限公司 | 背光调节电路与背光调节方法 |
| CN101466187A (zh) * | 2009-01-05 | 2009-06-24 | 西安理工大学 | 一种pfm/pwm双模式切换调光的led驱动电路 |
| CN102024423A (zh) * | 2009-09-22 | 2011-04-20 | 乐金显示有限公司 | 控制有机发光二极管显示器的亮度的设备和方法 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59195627A (ja) | 1983-04-21 | 1984-11-06 | Olympus Optical Co Ltd | 液晶表示装置 |
| US4888599A (en) | 1987-10-23 | 1989-12-19 | Rockwell International Corp. | Real time apparatus for adjusting contrast ratio of liquid crystal displays |
| US5724062A (en) | 1992-08-05 | 1998-03-03 | Cree Research, Inc. | High resolution, high brightness light emitting diode display and method and producing the same |
| US5270818A (en) | 1992-09-17 | 1993-12-14 | Alliedsignal Inc. | Arrangement for automatically controlling brightness of cockpit displays |
| US5615093A (en) | 1994-08-05 | 1997-03-25 | Linfinity Microelectronics | Current synchronous zero voltage switching resonant topology |
| JP3547837B2 (ja) | 1995-03-31 | 2004-07-28 | ミネベア株式会社 | インバ−タ装置 |
| US5786801A (en) | 1996-09-06 | 1998-07-28 | Sony Corporation | Back light control apparatus and method for a flat display system |
| US5939830A (en) | 1997-12-24 | 1999-08-17 | Honeywell Inc. | Method and apparatus for dimming a lamp in a backlight of a liquid crystal display |
| US6095661A (en) | 1998-03-19 | 2000-08-01 | Ppt Vision, Inc. | Method and apparatus for an L.E.D. flashlight |
| US6114814A (en) | 1998-12-11 | 2000-09-05 | Monolithic Power Systems, Inc. | Apparatus for controlling a discharge lamp in a backlighted display |
| US6344641B1 (en) | 1999-08-11 | 2002-02-05 | Agilent Technologies, Inc. | System and method for on-chip calibration of illumination sources for an integrated circuit display |
| US6469454B1 (en) | 2000-06-27 | 2002-10-22 | Maxim Integrated Products, Inc. | Cold cathode fluorescent lamp controller |
| FI109632B (fi) | 2000-11-06 | 2002-09-13 | Nokia Corp | Valkoinen valaisu |
| JP2002163907A (ja) | 2000-11-24 | 2002-06-07 | Moriyama Sangyo Kk | 照明システム及び照明ユニット |
| US6888529B2 (en) | 2000-12-12 | 2005-05-03 | Koninklijke Philips Electronics N.V. | Control and drive circuit arrangement for illumination performance enhancement with LED light sources |
| JP3766274B2 (ja) | 2000-12-21 | 2006-04-12 | 株式会社東芝 | 時分割カラー表示装置および表示方法 |
| JP2002231470A (ja) * | 2001-02-05 | 2002-08-16 | Pioneer Electronic Corp | 発光ダイオード駆動回路 |
| EP1527436B1 (en) * | 2002-07-03 | 2015-09-02 | Innovative Solutions and Support, Inc. | Method and apparatus for illuminating a flat panel display with a variably-adjustable backlight |
| US7148632B2 (en) | 2003-01-15 | 2006-12-12 | Luminator Holding, L.P. | LED lighting system |
| FR2854252B1 (fr) * | 2003-04-25 | 2005-08-05 | Thales Sa | Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees |
| EP3416460B1 (en) | 2003-05-05 | 2022-10-19 | Signify North America Corporation | Lighting unit |
| US7515128B2 (en) * | 2004-03-15 | 2009-04-07 | Philips Solid-State Lighting Solutions, Inc. | Methods and apparatus for providing luminance compensation |
| JP4496812B2 (ja) * | 2004-03-18 | 2010-07-07 | 東芝ライテック株式会社 | Ｌｅｄ式照明装置 |
| KR101100881B1 (ko) | 2004-11-04 | 2012-01-02 | 삼성전자주식회사 | 표시 장치용 광원의 구동 장치 및 표시 장치 |
| EP1689212B1 (en) * | 2005-02-02 | 2008-01-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Method and system for dimming light sources |
| US7364306B2 (en) * | 2005-06-20 | 2008-04-29 | Digital Display Innovations, Llc | Field sequential light source modulation for a digital display system |
| US7498751B2 (en) | 2006-06-15 | 2009-03-03 | Himax Technologies Limited | High efficiency and low cost cold cathode fluorescent lamp driving apparatus for LCD backlight |
| JP4435123B2 (ja) * | 2006-08-11 | 2010-03-17 | ソニー株式会社 | 表示装置の駆動方法 |
| JP2008047494A (ja) * | 2006-08-21 | 2008-02-28 | Yokogawa Electric Corp | 調光制御方法および調光制御装置および照明装置 |
| US7579786B2 (en) * | 2007-06-04 | 2009-08-25 | Applied Concepts, Inc. | Method, apparatus, and system for driving LED's |
| US8368636B2 (en) * | 2007-09-21 | 2013-02-05 | Point Somee Limited Liability Company | Regulation of wavelength shift and perceived color of solid state lighting with intensity variation |
| US7880400B2 (en) * | 2007-09-21 | 2011-02-01 | Exclara, Inc. | Digital driver apparatus, method and system for solid state lighting |
| JP2009123681A (ja) * | 2007-10-25 | 2009-06-04 | Panasonic Electric Works Co Ltd | Ｌｅｄ調光装置 |
-
2011
- 2011-06-01 FR FR1101681A patent/FR2976150B1/fr active Active
-
2012
- 2012-06-01 JP JP2012125568A patent/JP6057366B2/ja not_active Expired - Fee Related
- 2012-06-01 US US13/487,108 patent/US9277617B2/en active Active
- 2012-06-01 IN IN1673DE2012 patent/IN2012DE01673A/en unknown
- 2012-06-01 CN CN201210239215.XA patent/CN102810300B/zh not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6987787B1 (en) * | 2004-06-28 | 2006-01-17 | Rockwell Collins | LED brightness control system for a wide-range of luminance control |
| CN1760721A (zh) * | 2004-10-14 | 2006-04-19 | 索尼公司 | 发光元件驱动装置和显示系统 |
| CN101345025A (zh) * | 2007-07-13 | 2009-01-14 | 群康科技(深圳)有限公司 | 背光调节电路与背光调节方法 |
| CN101466187A (zh) * | 2009-01-05 | 2009-06-24 | 西安理工大学 | 一种pfm/pwm双模式切换调光的led驱动电路 |
| CN102024423A (zh) * | 2009-09-22 | 2011-04-20 | 乐金显示有限公司 | 控制有机发光二极管显示器的亮度的设备和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9277617B2 (en) | 2016-03-01 |
| FR2976150B1 (fr) | 2013-06-14 |
| FR2976150A1 (fr) | 2012-12-07 |
| US20120306946A1 (en) | 2012-12-06 |
| JP2012253022A (ja) | 2012-12-20 |
| JP6057366B2 (ja) | 2017-01-11 |
| IN2012DE01673A (enExample) | 2015-09-25 |
| CN102810300A (zh) | 2012-12-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |