搜索
液晶平板彩电工作原理和设计摘要近年来显示技术发展很快，平板显示器具有完全平面化、轻、薄、省电等特点，符合未来图像显示器发展的必然趋势。目前的主流平板显示包括液晶和等离子，随着显示技术的发展，更多新产品、新技术的出现，使平板显示的显示性能更优化。随着TFT_LCD技术的迅猛发展，并且它拥有着性能优良、大规模生产特性好、自动化程度高、原材料成本低廉的很多的优点，从而广泛应用于液晶平板彩电中。在这样的背景下，对其驱动电路也提出了更高的要求。液晶显示器具有驱动电压和功耗低、体积小、重量轻、无X辐射等一系列优点，受到了广泛的重视，发展非常迅速，已经成为平板显示器的主流技术。在液晶显示技术中，低温多晶硅是新一代薄膜晶体管液晶显示器的制造工艺，是多晶硅技术的一个重要分支。本文在介绍了统宝在液晶屏组装的方法及工艺的基础上，讨论了Defect对工厂带来不良影响及Defect的处理和改良方法。关键词：薄膜晶体管，液晶屏，液晶，平板显示显示技术，显示性能TFT-LCDTECHNOLOGYABSTRACTInrecentyearsthedevelopmentofdisplaytechnologyisveryfast,flatpaneldisplayhavingacompletelyflat,thin,light,energysavingfeatures,inlinewiththefuturedevelopmenttrendofimagedisplay.Currentlythemainstreamflat-paneldisplaycomprisesaliquidcrystalandplasma.Withthedevelopmentofdisplaytechnology,moreandmorenewproducts,newtechnologyappear,sothattheflatpaneldisplayperformanceoptimization.AsTFT_LCDtechnologyisdevelopingrapidly,andithasexcellentperformancecharacteristicsoflarge-scaleproduction,highdegreeofautomation,low-costrawmaterialsaswellasmanyotheradvantages,whicharewidelyusedinmanyfields.Inthiscontext,thedrivingcircuitisalsoputforwardhigherrequirements.DrivevoltageandthepowerdissipationlowisMeritofLCDdisplay,weightmakeslightof,thereisnoaseriesofmeritsuchasX-radiationetc.,haveacceptedbroadtakingseriously,havedevelopedveryprompt,maincurrentalreadybecomingtheflatdisplaytechnology.Inliquidcrystaldisplaytechnology,lowtemperaturepolycrystallinesiliconisnewgenerationfilmtransistorLCDdisplaymanufacturingengineering,isanimportantbranchofpolycrystallinesilicontechnology.Themainbodyofabookislistedininthebasishavingintroducedentirelypreciousmethodandhandicraftholdingassemblinginliquidcrystal,treatmentandthemethodamelioratinghavingdiscussedthatDefectbringsaboutharmfuleffectsandDefecttothefactory.KEYWORDS:thin-flimtransistor,displayscreen,liqulidcrystalflat，displaytechnology，displayperformance目录摘要........................................................................................................................................1ABSTRACT...............................................................................................................................2第一章绪论..............................................................................................................................1第二章液晶平板电视的概述..................................................................................................22.1液晶的知识.......................................................................................................................22.2液晶显示器的基础知识及发展现状.......................................................................22.2.1LCD的主要技术参数...................................................................................22.2.2LCD的分类...................................................................................................42.2.3LCD发展历程...............................................................................................42.3液晶平板电视的基础知识.......................................................................................52.3.1平板电视的定义............................................................................................52.3.2电视机的发展历程—显示器件的发展........................................................52.3.3电视清晰度的概念........................................................................................62.3.4液晶平板彩电的主要参数............................................................................62.4液晶电视的优缺点...................................................................................................7第三章液晶平板电视的工作原理........................................................................................83.1液晶平板彩电的基本组成及结构...........................................................................83.1.1液晶平板彩电的简单结构............................................................................83.1.2LCD面板主要部件.......................................................................................83.1.3液晶彩电电路的基本组成............................................................................93.2液晶平板电视的工作原理.....................................................................................123.3TFT液晶彩电工作原理.........................................................................................143.3.1TFT液晶彩电显示原理..............................................................................143.3.2TFT元件的结构..........................................................................................153.3.3TFT工作原理..............................................................................................163.3.4液晶驱动方法..............................................................................................16第四章液晶平板彩电背光板的工作原理..........................................................................204.1液晶平板彩电背光板的工作原理简介.................................................................204.2目前主要采用的背照光源.....................................................................................204.2.1冷阴极荧光灯（CCFL）............................................................................204.2.2发光二极管（LED)背光照明系统..........