FR2896108B1 - Circuit de controle d'une led avec compensation de la temperature. - Google Patents

Circuit de controle d'une led avec compensation de la temperature.

Info

Publication number
FR2896108B1
FR2896108B1 FR0607693A FR0607693A FR2896108B1 FR 2896108 B1 FR2896108 B1 FR 2896108B1 FR 0607693 A FR0607693 A FR 0607693A FR 0607693 A FR0607693 A FR 0607693A FR 2896108 B1 FR2896108 B1 FR 2896108B1
Authority
FR
France
Prior art keywords
led
control circuit
temperature compensation
compensation
temperature
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.)
Active
Application number
FR0607693A
Other languages
English (en)
Other versions
FR2896108A1 (fr
Inventor
Il Kweon Joung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electro Mechanics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electro Mechanics Co Ltd filed Critical Samsung Electro Mechanics Co Ltd
Publication of FR2896108A1 publication Critical patent/FR2896108A1/fr
Application granted granted Critical
Publication of FR2896108B1 publication Critical patent/FR2896108B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
FR0607693A 2005-09-09 2006-09-01 Circuit de controle d'une led avec compensation de la temperature. Active FR2896108B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050084312A KR100735460B1 (ko) 2005-09-09 2005-09-09 온도 보상 기능을 갖는 ｌｅｄ 구동 제어 회로

Publications (2)

Publication Number Publication Date
FR2896108A1 FR2896108A1 (fr) 2007-07-13
FR2896108B1 true FR2896108B1 (fr) 2010-11-26

Family

ID=37775989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0607693A Active FR2896108B1 (fr) 2005-09-09 2006-09-01 Circuit de controle d'une led avec compensation de la temperature.

Country Status (5)

Country Link
US (1) US7330002B2 (fr)
JP (1) JP4982137B2 (fr)
KR (1) KR100735460B1 (fr)
DE (1) DE102006040711B4 (fr)
FR (1) FR2896108B1 (fr)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070077719A (ko) * 2006-01-24 2007-07-27 삼성전기주식회사 칼라 ｌｅｄ의 구동 장치
DE102006056057A1 (de) * 2006-02-28 2007-09-06 Samsung Electro - Mechanics Co., Ltd., Suwon Antriebsvorrichtung für ein farbiges LED-Hintergrundlicht
DE102007017581B4 (de) * 2006-04-28 2019-01-31 Freescale Semiconductor, Inc. Verfahren zur Ansteuerung eines kaltleitenden elektrischen Lastelementes, Schalteinheit für ein kaltleitendes elektrisches Lastelement, Glühlampensteuerung und Fahrzeug
US20080062070A1 (en) * 2006-09-13 2008-03-13 Honeywell International Inc. Led brightness compensation system and method
JP2008102490A (ja) * 2006-09-19 2008-05-01 Funai Electric Co Ltd 液晶ディスプレイ装置、および液晶テレビジョン
KR20080033771A (ko) * 2006-10-13 2008-04-17 삼성전자주식회사 백라이트 유닛의 구동장치, 이를 구비한 액정표시장치, 및그 제어방법
KR101294321B1 (ko) * 2006-11-28 2013-08-08 삼성디스플레이 주식회사 액정 표시 장치
TW200839692A (en) * 2007-03-21 2008-10-01 Delta Electronics Inc Liquid crystal display apparatus, backlight module and light source driving device thereof
JP5081495B2 (ja) * 2007-05-02 2012-11-28 三洋電機株式会社 画像表示装置
TW200844937A (en) * 2007-05-04 2008-11-16 Benq Corp Display system
US7626342B2 (en) * 2007-06-11 2009-12-01 Yi Sun High efficiency power controller for solid state lighting
EP2020655A1 (fr) * 2007-07-25 2009-02-04 Funai Electric Co., Ltd. Dispositif d'affichage à cristaux liquides et télévision à cristaux liquides
US20090033685A1 (en) * 2007-08-02 2009-02-05 Park Young-Jong Organic light emitting display and driving method thereof
KR101494320B1 (ko) * 2007-10-05 2015-02-23 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
EP2066149A3 (fr) 2007-11-27 2009-08-19 Stefan Ruppel Lampe plate DEL dotée d'une platine dissipant la chaleur, notamment pour meuble
US20090195171A1 (en) * 2008-02-05 2009-08-06 Wei-Hao Huang Temperature control system for backlight module
DE102008018236A1 (de) * 2008-04-10 2009-10-15 Osram Gesellschaft mit beschränkter Haftung Schaltung zur Kompensation von thermischen Schwankungen, Leuchte, Leuchtmodul und Verfahren zu deren Betrieb
DE102008018808A1 (de) * 2008-04-15 2009-10-22 Ledon Lighting Jennersdorf Gmbh Mikrocontroller optimierte Pulsweitenmodulation-(PWM)-Ansteuerung einer Licht emittierenden Diode(LED)
WO2009140141A1 (fr) * 2008-05-13 2009-11-19 Express Imaging Systems, Llc Remplacement de lampe à décharge
US8988011B2 (en) * 2008-05-21 2015-03-24 Manufacturing Resources International, Inc. System and method for managing backlight luminance variations
US8125163B2 (en) 2008-05-21 2012-02-28 Manufacturing Resources International, Inc. Backlight adjustment system
KR100943863B1 (ko) 2008-05-21 2010-02-24 주식회사 반디라이트 Ｐｔｃ 소자를 이용한 ｌｅｄ조명 온도보상 정전류 보정회로
US9001161B2 (en) * 2008-06-06 2015-04-07 Dolby Laboratories Licensing Corporation Chromaticity control for solid-state illumination sources
US20100007588A1 (en) * 2008-07-09 2010-01-14 Adaptive Micro Systems Llc System and method for led degradation and temperature compensation
US8334640B2 (en) * 2008-08-13 2012-12-18 Express Imaging Systems, Llc Turbulent flow cooling for electronic ballast
US20110063214A1 (en) * 2008-09-05 2011-03-17 Knapp David J Display and optical pointer systems and related methods
WO2010027459A2 (fr) 2008-09-05 2010-03-11 Firefly Green Technologies Inc. Dispositif, procédé et système de communication optique
US9509525B2 (en) 2008-09-05 2016-11-29 Ketra, Inc. Intelligent illumination device
US8773336B2 (en) * 2008-09-05 2014-07-08 Ketra, Inc. Illumination devices and related systems and methods
US9276766B2 (en) 2008-09-05 2016-03-01 Ketra, Inc. Display calibration systems and related methods
US10210750B2 (en) 2011-09-13 2019-02-19 Lutron Electronics Co., Inc. System and method of extending the communication range in a visible light communication system
JP5394387B2 (ja) * 2008-10-14 2014-01-22 シャープ株式会社 液晶表示装置
KR101590940B1 (ko) * 2008-12-09 2016-02-03 삼성디스플레이 주식회사 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이를 포함하는 표시 장치
US8358085B2 (en) 2009-01-13 2013-01-22 Terralux, Inc. Method and device for remote sensing and control of LED lights
US9326346B2 (en) 2009-01-13 2016-04-26 Terralux, Inc. Method and device for remote sensing and control of LED lights
CN101783118B (zh) * 2009-01-15 2012-01-18 深圳市新超亮特种显示设备有限公司 一种新型lcd双重节能控制模块
US9812047B2 (en) 2010-02-25 2017-11-07 Manufacturing Resources International, Inc. System and method for remotely monitoring the operating life of electronic displays
RU2011139152A (ru) * 2009-02-24 2013-04-10 Мэньюфэкчеринг Ресорсиз Интернэшнл, Инк. Система и способ управления параметрами работы устройства отображения в ответ на потребляемый ток
US8700226B2 (en) 2009-02-24 2014-04-15 Manufacturing Resources International, Inc. Method for driving a cooling fan within an electronic display
WO2010127138A2 (fr) * 2009-05-01 2010-11-04 Express Imaging Systems, Llc Remplacement de lampe à décharge de gaz avec refroidissement passif
WO2010128435A1 (fr) 2009-05-08 2010-11-11 Koninklijke Philips Electronics N.V. Circuit et procédé de détection d'une propriété de la lumière
WO2010142057A1 (fr) * 2009-06-08 2010-12-16 建兴电子科技股份有限公司 Equipement de commande de diode électroluminescente et procédé de commande
US20110026264A1 (en) * 2009-07-29 2011-02-03 Reed William G Electrically isolated heat sink for solid-state light
CN101620826B (zh) * 2009-08-17 2011-08-31 南京信息职业技术学院 用于大屏幕led真彩显示屏的驱动方法和电路
KR101433106B1 (ko) * 2009-10-08 2014-09-25 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법
WO2012087268A2 (fr) * 2009-11-17 2012-06-28 Terralux, Inc. Détection et commande d'alimentation électrique de del
US8369083B2 (en) 2010-02-16 2013-02-05 Manufacturing Resources International, Inc. System and method for selectively engaging cooling fans within an electronic display
US8299718B2 (en) * 2010-02-17 2012-10-30 Brian Cottrell Constant temperature LED driver circuit
US9241401B2 (en) 2010-06-22 2016-01-19 Express Imaging Systems, Llc Solid state lighting device and method employing heat exchanger thermally coupled circuit board
US8536788B2 (en) * 2010-08-06 2013-09-17 Osram Sylvania Inc. Thermal control of solid state light sources by variable series impedance
US8659232B2 (en) 2010-09-14 2014-02-25 Crs Electronics Variable-impedance load for LED lamps
US9596738B2 (en) 2010-09-16 2017-03-14 Terralux, Inc. Communication with lighting units over a power bus
WO2012037436A1 (fr) 2010-09-16 2012-03-22 Terralux, Inc. Communication avec des unités d'éclairage par un bus d'alimentation
USRE49454E1 (en) 2010-09-30 2023-03-07 Lutron Technology Company Llc Lighting control system
US9386668B2 (en) 2010-09-30 2016-07-05 Ketra, Inc. Lighting control system
CN102543011A (zh) * 2010-12-29 2012-07-04 广东中显科技有限公司 一种可调节亮度的液晶背光驱动系统
JP2012189766A (ja) * 2011-03-10 2012-10-04 Panasonic Liquid Crystal Display Co Ltd 液晶表示装置
US8749172B2 (en) 2011-07-08 2014-06-10 Ketra, Inc. Luminance control for illumination devices
US20130044085A1 (en) * 2011-08-16 2013-02-21 Poshen Lin Liquid crystal panel driving circuit and liquid crystal display Device Using the Same
EP2769376A4 (fr) 2011-09-23 2015-07-22 Mri Inc Système et procédé d'adaptation à l'environnement de caractéristiques d'affichage
US9730294B2 (en) * 2011-11-07 2017-08-08 GE Lighting Solutions, LLC Lighting device including a drive device configured for dimming light-emitting diodes
US8704463B2 (en) * 2011-11-10 2014-04-22 Shenzhen China Star Optoelectronics Technology Co., Ltd Temperature control method and apparatus for light emitting diode and liquid crystal display
US8896231B2 (en) 2011-12-16 2014-11-25 Terralux, Inc. Systems and methods of applying bleed circuits in LED lamps
KR101145899B1 (ko) 2012-01-26 2012-05-16 진우산전 주식회사 범용 온도 보상형 정전류 ｌｅｄ 신호등
TWI553603B (zh) * 2012-08-27 2016-10-11 群邁通訊股份有限公司 背光模組控制電路
DE102013207710A1 (de) * 2013-04-26 2014-10-30 Tridonic Gmbh & Co Kg Modul für Leuchtmittel mit kombinierter sekundärseitiger Messsignalerfassung
US9265119B2 (en) 2013-06-17 2016-02-16 Terralux, Inc. Systems and methods for providing thermal fold-back to LED lights
JP6074855B2 (ja) * 2013-06-20 2017-02-08 パナソニックＩｐマネジメント株式会社 照明装置及びそれを用いた照明器具
US9345097B1 (en) 2013-08-20 2016-05-17 Ketra, Inc. Interference-resistant compensation for illumination devices using multiple series of measurement intervals
US9237620B1 (en) 2013-08-20 2016-01-12 Ketra, Inc. Illumination device and temperature compensation method
US9769899B2 (en) 2014-06-25 2017-09-19 Ketra, Inc. Illumination device and age compensation method
USRE48955E1 (en) 2013-08-20 2022-03-01 Lutron Technology Company Llc Interference-resistant compensation for illumination devices having multiple emitter modules
US9651632B1 (en) 2013-08-20 2017-05-16 Ketra, Inc. Illumination device and temperature calibration method
US9578724B1 (en) 2013-08-20 2017-02-21 Ketra, Inc. Illumination device and method for avoiding flicker
US9332598B1 (en) 2013-08-20 2016-05-03 Ketra, Inc. Interference-resistant compensation for illumination devices having multiple emitter modules
US9360174B2 (en) 2013-12-05 2016-06-07 Ketra, Inc. Linear LED illumination device with improved color mixing
US9247605B1 (en) 2013-08-20 2016-01-26 Ketra, Inc. Interference-resistant compensation for illumination devices
USRE48956E1 (en) 2013-08-20 2022-03-01 Lutron Technology Company Llc Interference-resistant compensation for illumination devices using multiple series of measurement intervals
US9155155B1 (en) 2013-08-20 2015-10-06 Ketra, Inc. Overlapping measurement sequences for interference-resistant compensation in light emitting diode devices
US9736895B1 (en) 2013-10-03 2017-08-15 Ketra, Inc. Color mixing optics for LED illumination device
CN103582258B (zh) * 2013-11-03 2015-11-04 胡军 Led驱动装置及方法
US9146028B2 (en) 2013-12-05 2015-09-29 Ketra, Inc. Linear LED illumination device with improved rotational hinge
CN103927957B (zh) * 2013-12-25 2017-05-17 上海中航光电子有限公司 一种显示装置的驱动方法、装置和显示设备
US9736903B2 (en) 2014-06-25 2017-08-15 Ketra, Inc. Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LED
US9557214B2 (en) 2014-06-25 2017-01-31 Ketra, Inc. Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
US9392663B2 (en) 2014-06-25 2016-07-12 Ketra, Inc. Illumination device and method for controlling an illumination device over changes in drive current and temperature
US10161786B2 (en) 2014-06-25 2018-12-25 Lutron Ketra, Llc Emitter module for an LED illumination device
US9510416B2 (en) 2014-08-28 2016-11-29 Ketra, Inc. LED illumination device and method for accurately controlling the intensity and color point of the illumination device over time
US9392660B2 (en) 2014-08-28 2016-07-12 Ketra, Inc. LED illumination device and calibration method for accurately characterizing the emission LEDs and photodetector(s) included within the LED illumination device
US9572230B2 (en) 2014-09-30 2017-02-14 Express Imaging Systems, Llc Centralized control of area lighting hours of illumination
US9445485B2 (en) 2014-10-24 2016-09-13 Express Imaging Systems, Llc Detection and correction of faulty photo controls in outdoor luminaires
US9237623B1 (en) 2015-01-26 2016-01-12 Ketra, Inc. Illumination device and method for determining a maximum lumens that can be safely produced by the illumination device to achieve a target chromaticity
US9485813B1 (en) 2015-01-26 2016-11-01 Ketra, Inc. Illumination device and method for avoiding an over-power or over-current condition in a power converter
US9237612B1 (en) 2015-01-26 2016-01-12 Ketra, Inc. Illumination device and method for determining a target lumens that can be safely produced by an illumination device at a present temperature
US9924583B2 (en) 2015-05-14 2018-03-20 Mnaufacturing Resources International, Inc. Display brightness control based on location data
US10593255B2 (en) 2015-05-14 2020-03-17 Manufacturing Resources International, Inc. Electronic display with environmental adaptation of display characteristics based on location
US10607520B2 (en) 2015-05-14 2020-03-31 Manufacturing Resources International, Inc. Method for environmental adaptation of display characteristics based on location
JP6639653B2 (ja) 2015-09-10 2020-02-05 マニュファクチャリング・リソーシズ・インターナショナル・インコーポレーテッド ディスプレイエラーのシステム検出のためのシステムおよび方法
GB2547433A (en) * 2016-02-16 2017-08-23 Dfx Tech Ltd Means and method for controlling lighting apparatus to prevent the overheating of the same
WO2017187535A1 (fr) * 2016-04-26 2017-11-02 オリンパス株式会社 Dispositif d'endoscope et procédé d'inspection de température
WO2018009917A1 (fr) 2016-07-08 2018-01-11 Manufacturing Resources International, Inc. Commande de luminosité d'affichage sur la base de données de dispositif de capture d'image
KR20180051196A (ko) 2016-11-08 2018-05-16 삼성전자주식회사 분광기, 생체정보 측정 장치 및 방법
US10904992B2 (en) 2017-04-03 2021-01-26 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US11375599B2 (en) 2017-04-03 2022-06-28 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
ES2933120T3 (es) * 2017-07-27 2023-02-02 Signify Holding Bv Sistemas, métodos y aparatos de compensación de datos de señal analógica de una luminaria utilizando estimaciones de temperatura ambiente
US10164374B1 (en) 2017-10-31 2018-12-25 Express Imaging Systems, Llc Receptacle sockets for twist-lock connectors
CN110189709B (zh) * 2018-02-23 2020-12-29 京东方科技集团股份有限公司 控制电路、背光驱动装置和显示设备
US10578658B2 (en) 2018-05-07 2020-03-03 Manufacturing Resources International, Inc. System and method for measuring power consumption of an electronic display assembly
US10782276B2 (en) 2018-06-14 2020-09-22 Manufacturing Resources International, Inc. System and method for detecting gas recirculation or airway occlusion
US11272599B1 (en) 2018-06-22 2022-03-08 Lutron Technology Company Llc Calibration procedure for a light-emitting diode light source
CN110708055A (zh) * 2018-07-10 2020-01-17 美芯晟科技（北京）有限公司 一种芯片工作状态选择电路、方法及其应用
US11645029B2 (en) 2018-07-12 2023-05-09 Manufacturing Resources International, Inc. Systems and methods for remotely monitoring electronic displays
US10908863B2 (en) 2018-07-12 2021-02-02 Manufacturing Resources International, Inc. System and method for providing access to co-located operations data for an electronic display
US11402940B2 (en) 2019-02-25 2022-08-02 Manufacturing Resources International, Inc. Monitoring the status of a touchscreen
US11137847B2 (en) 2019-02-25 2021-10-05 Manufacturing Resources International, Inc. Monitoring the status of a touchscreen
US11233503B2 (en) * 2019-03-28 2022-01-25 University Of Utah Research Foundation Temperature sensors and methods of use
US11526044B2 (en) 2020-03-27 2022-12-13 Manufacturing Resources International, Inc. Display unit with orientation based operation
US11965804B2 (en) 2021-07-28 2024-04-23 Manufacturing Resources International, Inc. Display assemblies with differential pressure sensors
US11921010B2 (en) 2021-07-28 2024-03-05 Manufacturing Resources International, Inc. Display assemblies with differential pressure sensors
US11972672B1 (en) 2022-10-26 2024-04-30 Manufacturing Resources International, Inc. Display assemblies providing open and unlatched alerts, systems and methods for the same

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838188U (ja) * 1981-09-04 1983-03-12 日本電信電話株式会社 発光ダイオ−ドの明るさ補償回路
JPH02268481A (ja) * 1989-04-10 1990-11-02 Mitsubishi Electric Corp レーザダイオード駆動装置
JPH04157779A (ja) * 1990-10-19 1992-05-29 Fujitsu Ltd レーザダイオード電流アラーム出力回路
JP2914406B2 (ja) * 1991-08-29 1999-06-28 日本電気株式会社 冷却形半導体レーザアレイモジュール
JPH06326384A (ja) * 1993-05-13 1994-11-25 Sanyo Electric Co Ltd 半導体レーザ素子駆動回路
JPH07147443A (ja) * 1993-11-24 1995-06-06 Matsushita Electric Ind Co Ltd 半導体レーザ送信器
JP2000299663A (ja) * 1999-04-14 2000-10-24 Hitachi Ltd 発光素子バイアス電流重畳回路
DE19930174A1 (de) 1999-06-30 2001-01-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
US6362578B1 (en) * 1999-12-23 2002-03-26 Stmicroelectronics, Inc. LED driver circuit and method
JP2001358661A (ja) * 2000-06-15 2001-12-26 Fujitsu Ltd 光送信回路
JP2002324685A (ja) * 2001-04-25 2002-11-08 Sony Corp 照明装置
US6753661B2 (en) * 2002-06-17 2004-06-22 Koninklijke Philips Electronics N.V. LED-based white-light backlighting for electronic displays
KR20050021004A (ko) * 2002-06-17 2005-03-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 전자 디스플레이용 ｌｅｄ 기반의 백색 광 백라이팅
US6864641B2 (en) * 2003-02-20 2005-03-08 Visteon Global Technologies, Inc. Method and apparatus for controlling light emitting diodes
JP4234488B2 (ja) * 2003-05-08 2009-03-04 株式会社小糸製作所 車両用灯具
US6956337B2 (en) * 2003-08-01 2005-10-18 Directed Electronics, Inc. Temperature-to-color converter and conversion method
US7262753B2 (en) * 2003-08-07 2007-08-28 Barco N.V. Method and system for measuring and controlling an OLED display element for improved lifetime and light output
KR20050017646A (ko) * 2003-08-08 2005-02-22 삼성전기주식회사 백라이트 인버터용 펄스폭변조 발진기
WO2005025274A1 (fr) * 2003-09-04 2005-03-17 Koninklijke Philips Electronics, N.V. Systeme et procede d'alimentation electrique en fonction de la temperature pour diodes electroluminescentes
KR20050062852A (ko) 2003-12-19 2005-06-28 삼성전자주식회사 액정 표시 장치, 표시 장치용 광원의 구동 장치 및 그방법
CN100458906C (zh) * 2004-02-20 2009-02-04 三星电子株式会社 脉冲补偿器、显示装置及驱动该显示装置的方法
KR101056374B1 (ko) * 2004-02-20 2011-08-11 삼성전자주식회사 펄스 보상기, 이를 갖는 영상표시장치 및 영상표시장치의구동방법
JP4182930B2 (ja) * 2004-07-12 2008-11-19 ソニー株式会社 表示装置及びバックライト装置
KR101133755B1 (ko) * 2004-07-22 2012-04-09 삼성전자주식회사 표시 장치 및 표시 장치용 광원의 구동 장치

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JP2007081394A (ja) 2007-03-29
DE102006040711A1 (de) 2007-03-22
DE102006040711B4 (de) 2022-11-10
US20070057902A1 (en) 2007-03-15
FR2896108A1 (fr) 2007-07-13
KR100735460B1 (ko) 2007-07-03
US7330002B2 (en) 2008-02-12
KR20070029867A (ko) 2007-03-15

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