标签: backlight

摘要：DS1050是一个5位的脉冲宽度调制（PWM）由2线总线控制。这允许一个主设备，一个单一的2线总线控制多达8奴隶（DS1050和其他2线设备）。本应用笔记中，演示了通过PC机的串行接口2线总线接口。硬件和软件的要求，并给出从DallasSemiconductor的FTP站点下载。Maxim>AppNotes>DigitalPotentiometersDisplayDriversPower-SupplyCircuitsKeywords:fancontrol,fanspeed,brightnesscontrol,contrastcontrol,2wirebus,2wiredevices,PWM,pulseDec17,2001widthmodulator,dcmotor,LCDLEDbacklightAPPLICATIONNOTE163UsingDS1050ProgrammablePWMstoControlaDCMotorandanLCDLEDBacklightAbstract:TheDS1050isa5-bitpulse-widthmodulator(PWM)controlledbya2-wirebus.Thisallowsasinglemasterdevicetocontrolupto8slave(DS1050andother2-wiredevices)onasingle2-wirebus.Inthisapplicationnote,aninterfacetoa2-wirebusviaaPCserialinterfaceisdemonstrated.ThehardwareandsoftwarerequirementsaregivenandavailablefordownloadfromtheDallasSemiconductorFTPsite.IntroductionTheD……

摘要：MAX1759升降压电荷泵调节恒流功率白光LED，巧妙地利用了反馈网络。1X/2X模式电荷泵提供高效率，尤其是在两节镍氢和/或碱性的应用。Maxim>AppNotes>DisplayDriversPower-SupplyCircuitsKeywords:LEDs,whiteLEDs,chargepumps,charge-pump,currentregulators,buck,boost,stepup/down,Mar27,2002step-up/down,buck/boost,backlight,twocell,AA,alkaline,NiMHAPPLICATIONNOTE1021Buck/BoostCharge-PumpRegulatorPowersWhiteLEDsfromaWide1.6Vto5.5VInputAbstract:TheMAX1759step-up/step-downcharge-pumpregulatorisusedtopowerwhiteLEDswithconstantcurrentbycleveruseofafeedbacknetwork.The1x/2xmodesofthechargepumpprovideshighefficiency,especiallyintwo-cellNiMHand/orAlkalineapplications.Sincetheirinventionafewyearsago,whitelight-emitting-diodes(LEDs)havebeensteadilygaininginpopularity.Becausetheyofferwhiterlightandlongerlifethanincandescent……

摘要：PDA，手机，数码相机，以及其他便携式设备中常见的WLED背光。本应用笔记介绍了一种开关模式升压设计，其中显示器背光长时间。其转换效率，在有限的电阻和线性调节的设计提供了一个省电的优点。Maxim>Designsupport>Appnotes>DisplayDrivers>APP1871Keywords:LED,backlight,keypad,display,switchmodeFeb03,2003APPLICATIONNOTE1871SingleFETControls2ndLEDArrayinSwitch-ModeLEDBacklightBy:LenShermanAbstract:WLEDbacklightsarecommoninPDAs,cellphones,digitalcameras,andotherportabledevices.Thisapplicationnotedescribesaswitch-modeboostdesigninwhichthedisplayisbacklitforextendedperiodsoftime.Itsconversionefficiencyprovidesapower-savingadvantageoverresistor-limitedandlinearlyregulateddesigns.AsimilarversionofthisarticleappearedintheApril12,2001issueofEDNmagazine.White-LEDb……

摘要：DS1050是由2线总线控制5位脉冲宽度调制器(PWM)。这允许单个主机设备来控制达8奴隶（DS1050和其他2线设备）单2线公共汽车上。在此应用程序的说明，这表明2线公共汽车通过PC串行接口的接口。给定和从达拉斯半导体FTP站点下载可用的硬件和软件要求。Maxim>AppNotes>DigitalPotentiometersDisplayDriversPower-SupplyCircuitsKeywords:fancontrol,fanspeed,brightnesscontrol,contrastcontrol,2wirebus,2wiredevices,PWM,pulseDec17,2001widthmodulator,dcmotor,LCDLEDbacklightAPPLICATIONNOTE163UsingDS1050ProgrammablePWMstoControlaDCMotorandanLCDLEDBacklightAbstract:TheDS1050isa5-bitpulse-widthmodulator(PWM)controlledbya2-wirebus.Thisallowsasinglemasterdevicetocontrolupto8slave(DS1050andother2-wiredevices)onasingle2-wirebus.Inthisapplicationnote,aninterfacetoa2-wirebusviaaPCserialinterfaceisdemonstrated.ThehardwareandsoftwarerequirementsaregivenandavailablefordownloadfromtheDallasSemiconductorFTPsite.IntroductionTheD……

Backlight產品功能性材料的分類及其功用Backlight產品功能性材料的分類及其功用目錄:前言:Backlight產品所使用的功能性材料的分類………………………3一:框蓋的分類,材質,特點及應用範圍………………………………...31.1:反射蓋(REF)的定義及特點及應用範圍………………………...31.2:housing的定義及特點及應用範圍……………………………..…3二:導光板的材質,特點及應用範圍………………………………….3~4三:PCB及FPC的材質,特點及應用範圍………………………………33.1:PCB的材質,特點及應用範圍……………………………………43.2:FPC的材質,特點及應用範圍………………………………………4四:貼布(Tape)類的分類及常用材質,特點及應用範圍…………………5~84.1反射貼布的特點,常用材質及使用範圍………………..……………54.2擴散貼布的特點,常用材質及使用範圍………………..……………64.3增光貼布的特點,常用材質及使用範圍………………..…………..74.4遮光及遮光反射貼布的特點,常用材質及使用範圍…………………74.5雙面膠貼布的特點,常用材質及使用範圍………………………..7~8五:常用光源類的LED及晶片,LAMP,CCFL的主要特性及使用範圍.……………………………………………………………………………8~9六:其它類材料的常用規格及使用範圍…………………………….….…..9……

BackLight各零件机构说明,BackLight各零件机构说明……