共查询到20条相似文献，搜索用时 62 毫秒
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点阵LCD显示模块通用驱动程序的开发 总被引：1，自引：0，他引：1
随着人们对嵌入式系统人机交互界面的要求越来越高，液晶显示器在嵌入式系统中的应用越来越广泛，但通常的液晶显示器使用的显示驱动程序通用性差，可读性不好，在不同平台上很难移植．基于常见的液晶模块开发出通用型显示驱动，解决了以上问题． 相似文献
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范振华 《淮北职业技术学院学报》2005,4(1):93-94
1．液晶显示器和控制器简介。点阵式液晶显示器种类较多,本文介绍的是使用比较广泛的液晶显示器RT12864J-3。该液晶显示器包含左右两片液晶模块,使用HD61202或其兼容控制驱动器作为列驱动器,同时使用HD61203或其兼容驱动器作为行驱动器。 相似文献
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姚海波 《中国科教创新导刊》2001,(6)
自从第一台成型的液晶显示器1971年问世以来，从TN－LCD（Twisted Nematic－LCD，扭曲向列液晶显示器）到TFT－LCD（Thin Film Transistor－LCD，薄膜晶体管液晶显示器），已经发展了几代产品，现代液晶显示器已经远远超过了100万个象素点。但是现在世界上所有生产液晶显示器的工艺却仍是95年前发明的，在生产过程中需要天鹅绒布料摩擦聚合物薄膜这一道工序，会留下布料的碎屑，这与生产液晶显示器所需的超洁净环境是不相符的，并且可能由于摩擦留下条纹甚至产生静电，从而严重损坏液晶显示器里面精细的电子回路。近20年来，人们一… 相似文献
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《高校实验室工作研究》2006,(1):63-66
LCD（液晶显示器）正在成为市场的主流，而在液晶显示器中宽屏液晶又正在成液晶显示器中的一种流行时尚。宽屏不仅在LCDTV（液晶电视）中被广泛使用，而且在笔记本电脑、品牌机、数码相机等设备中也被采用。但目前宽屏LCD显示器的市场状况、前景究竟如何呢？下面我们就一起来瞧一瞧。 相似文献
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一种简单实用的LCD数显温度计 总被引：3，自引：0，他引：3
文章介绍了一种基于半导体集成温度传感器和液晶显示器的数字温度计。对笔段式液晶显示器的驱动与使用进行了介绍,并对该温度计的电路构成、工作原理、校准方法等也作了详细分析。 相似文献
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高锡璋 《中学物理教学参考》2001,(3):62-63
液晶显示器作为一种新型的显示器件被越来越广泛地应用在电子表、计算器、笔记本电脑、乃至投影式大屏幕彩电等诸多家用电器中为人们所熟悉 ,但真正了解它的原理的人却要少得多 ,由于液晶显示器工作时要消耗一定的电能 ,往往容易被人们将其与发光二极管等电光源器件相混淆 .但是实际上液晶显示器并不能自行发光 ,它是一种被动型的显示器件 ,因此不能将它划归为光源的范畴 .液晶显示器的工作原理较为复杂 ,下面我们将从液晶的分子结构出发 ,简要地介绍它的工作原理 .液晶是一种介于液体和晶体之间的中间态 ,它既有类似液体的可流动性 ,又有类… 相似文献
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《中国现代教育装备》2002,(12)
液晶显示器由于体积小、重量轻、节能、低辐射、画面稳定、不伤害视力等优势,在崇尚健康、时尚、简洁的今天,成为一个发展趋势。加上近几年液晶显示器的价格大幅度下降,目前的主流产品价格定位在3000元附近,价格已经不再成为阻碍液晶显示器进入家庭的门槛,因此得到了更多用户的青睐。 但是在选择液晶显示器时,却常常碰到这样的困惑:同样是15英寸的液晶显示器,价格从2000元到4000元不等,有关性能上的参数也不是十分规范,各个品牌各自为战、说法各不相同,让我们的选择充满了疑惑。 在大多数液晶显示器的资料中,都有亮度指标,亮度通常使用以每平方烛光(CD/m~*m)来表示,这个单位又称为Nits,一般情况下,亮度达到200Nits的液晶显示器所能够得到的影像表现就已经可能超越传统CRT显示器了,亮度 相似文献
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王小勇 《初中生世界(初三物理版)》2008,(Z6)
随着科学技术的发展和人们环保意识的不断增强,越来越多的液晶显示器出现在我们面前,那什么是液晶?液晶又有哪些特点呢?液晶,是一种在一定温度范围内呈现既不同于固态、液态,又不同于气态的特殊物质态,它既具有各向异性的晶体所特有的双折射性,又具有液体的流动性.一般可分热致液晶和溶致液晶两类.凡是需要有显示的地方,都能用液晶 相似文献
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《海外英语》2007,(5):10-11
Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help? 相似文献
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罗艳萍 《读与写:教育教学刊》2008,5(6)
The communication of people partially is the communication of cultures. Culture has a direct effect on international commercial activities in all aspects. Different conceptions about time, space, equality, law and the like, lead people to deal with things in different ways. So to know cultures of the counterpart is to facil-itate our enterprises so as to have a smooth and successful communication in commercial activity. 相似文献
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《海外英语》2007,(4):36
There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love. 相似文献
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Migration occurs behind a variety of reasons and has a great effect on the whole world. People may migrate in order to improve their economic situation, or in order to escape civil strife, persecution, and environmental disasters. The impact of migration is complex, bringing both benefits anddisadvantages. This paper briefly talks about the causes of migration, the allocation of benefits, and the ways in which individual countries and the international community deal with this important subject. 相似文献
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Sister Carrie is one of the most controversial characters in American literature.Thought as a "fallen woman" firstly,she was defined as a "new woman" by some critics later. However, by digging into the motivaton behind the whole process of Carrie's "success", the relationship between Carrie and her creator (the author), the social conditions of then American, it can be found that Carrie has never been free-standing on her thought and she has never found her real-sdf even after becoming a famous actress. In a society dominated by mass consumerism Carrie is only an adherent of her own desires. She also is a representative of all those country girls flooded into cities, a symbol and a sacrifice of the urbanization of America in a time countryside was overcome by cities. 相似文献
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RUZBEHANI Mohsen 《重庆大学学报(英文版)》2004,3(1):20-25
1.IntroductionOne-cyclecontrolmethod,whichwasproposedaboutonedecadeago[1],hasbecomeanattractivemethodinspecialfieldssuchaspowerfactorcorrection[2-6],switchingamplifiers[7,8],etc.Themainideaofthiscontrollerisbasedonintegrationofdiodevoltageinone-cycleandforcesittobeexactlyequaltothereferencevalue.Themainadvantageofthiscontrollerisitsrealtimeabilitytorejectthevariationofinputvoltage[1].Despitethisgreatability,ithasnogoodperformancesinrejectingofloaddisturbanceandfollowingreferencecommands.Espec… 相似文献
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Richard Denner 《海外英语》2007,(4):14-15
Rosco and I wait for the fishermen to return.I sit at a wooden bench near the store at Mt.Baker Resort and watch the clouds change shape. Rosco has my belt around his neck and an eight foot tow chain hooked to a tree. Dogs must be on a leash. Ducks and rabbits are loose. 相似文献