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'帖子地址复制成功');return false;"> <em>1</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon353378" src="static/image/common/online_supermod.gif" /> <em id="authorposton353378">发表于 2007-8-1 01:32:13</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=56503&page=1&authorid=2598" rel="nofollow">只看该作者</a> <span class="none"><img src="static/image/common/arw_r.gif" class="vm" alt="回帖奖励" /></span> <span class="pipe show">|</span><a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=56503&extra=&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 353378);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_353378"> 东芝松下<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>器(TMD)在Wireless Japan 2007上，展出了内置触摸屏功能的液晶面板。该公司此前也曾在展会等场合公开过内置触摸屏的液晶面板。与以前的展品相比，此次提高了触摸屏的灵敏度。 <br /> <br /> 在低温多结晶硅TFT液晶面板的像素中集成了光<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">传感</a>器。在明亮的地方可检测出外部光线形成的手指影子，而在昏暗的地方则可检测出手指反射的背照灯灯光。在触摸屏用途方面，通过每3个像素内置1个传感器来检测。为了提高操作性，改进了读取信号时的算法。优化了接触液晶面板前后的对比度差值及传感区域等条件。 <br /> <br /> 在明亮的场所使用时，能够以与普通的触摸屏相同的灵敏度来操作。不过，当变为被手完全遮挡的暗室状态时，触摸屏的灵敏度就会下降。利用反射光进行检测时，接触液晶面板前后的对比度的差值较小，算法的控制较难。为了能够在手机及PDA等便携终端中推广，今后还需提高在昏暗场所的灵敏度。 <br /> <br /> <br /> <br /> <br /> <br /> <br /> 相关信息 <br /> <br /> <br /> * 什么是PDA?<br /> PDA来自英文的Personal Digital Assistant,字面意思是"个人数字助理"。 这种手持设备一般都不配备息盘,可以通无线方式实现计算、<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a>、网络、 存储、娱乐、<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>商务等多功能的融合,是当今网络时代的移动时尚宠儿。 <br /> <br /> * 什么是TFT?<br /> TFT（Thin Film Transistor）即<a href="http://opticalfilm.oecr.com" target="_blank" class="relatedlink">薄膜</a>场效应<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>管，是指液晶显示器上的每一液晶象素点都是由集成在其后的薄膜晶体管来驱动，从而可以做到高速度、高亮度、高对比度显示屏幕信息，TFT属于有源矩阵液晶显示器。TFT液晶显示屏的特点是亮度好、对比度高、层次感强、颜色鲜艳，但也存在着比较耗电和成本较高的不足。<br /> <br /> * 触摸屏的工作原理<br /> 为了操作上的方便，人们用触摸屏来代替鼠标或键盘。工作时，我们必须首先用手指或其它物体触摸安装在显示器前端的触摸屏，然后系统根据手指触摸的图标或菜单位置来定位选择信息输入。触摸屏由触摸检测部件和触摸屏控制器组成；触摸检测部件安装在显示器屏幕前面，用于检测用户触摸位置，接受后送触摸屏控制器；而触摸屏控制器的主要作用是从触摸点检测装置上接收触摸信息，并将它转换成触点坐标，再送给CPU，它同时能接收CPU发来的命令并加以执行。</td></tr></table> </div> <div id="comment_353378" class="cm"> </div> <div id="post_rate_div_353378"></div> </div> </div> </td></tr> <tr><td class="plc plm"> <div id="p_btn" class="mtw mbm hm cl"> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=favorite&type=thread&id=56503&formhash=6fac1917" id="k_favorite" onclick="showWindow(this.id, this.href, 'get', 0);" onmouseover="this.title = $('favoritenumber').innerHTML + ' 人收藏'" title="收藏本帖"><i><img src="static/image/common/fav.gif" alt="收藏" />收藏<span 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