&&[&& 原创&&]&& 作者：&&|&&责编：张剑锋
&&& 如果以上内容您都已经阅读完成，那么恭喜，您已经可以断定自己到底适合什么样的屏幕了。接下来便能够根据适合自己的屏幕材质，大小尺寸，比例以及分辨率来断定该选购什么样的平板作为您出行的旅伴。
&&& 文章接近尾声，但笔者还要多言两句。在平板选购过程中，我们要避免购买到屏幕有瑕疵的平板。那么什么样的屏幕算是有瑕疵呢？我们需要注意两点：漏光与坏点（包括亮点与暗点）。
新iPad的屏幕边缘的漏光现象实拍
&&& 漏光是由于屏幕与平板边框结合不紧密或者面板发生形变造成。目前的显示屏由于技术原因，或多或少都存在漏光现象。表现为在黑暗环境下将屏幕调至全黑，屏幕上会出现大小不一的泛白现象，一般的漏光并不会对显示造成影响，而如果现象非常明显，则会影响到正常的颜色显示。所以，如果遇到严重的漏光问题，那么就需要联系商家进行退换。
&&& 坏点也是在平板选购过程中消费者时常遇到的问题，很多人甚至因购买到具有坏点的产品却因经销商不给退换货而发生争执。出现这个问题是由于目前显示面板的生产技术所限，导致绝大多数液晶面板都会存在坏点。问题在于一款屏幕有多少坏点才算正常，根据中国相关部门制定的标准，笔记本的液晶屏幕坏点在5个以下均属正常情况，不算机器有问题。平板的像素数与笔记本相近，所以只要不是特别挑剔，少量坏点还是可以接受的。相比花在查看坏点的时间，消费者可以把更多精力放在去找一个亮度，色彩，可视角度，响应速度更好的屏幕上面。
《硬件检测》可以测试屏幕坏点与触摸点个数
&&& 检测坏点可以通过专门的来实现，编辑推荐一款名为《安兔兔硬件检测》的软件，这款软件体积很小不仅可以检测坏点，还可以检测屏幕支持的多点触摸个数等屏幕信息。
&&& 本期的“十一平板出行宝典”系列文章之屏幕选购篇已经向您介绍完了。我们通过五个步骤，介绍了平板屏幕的主流材质，大小尺寸，长宽比例，分辨率以及影响使用体验的其它因素。力求引导您找到适合自己的平板屏幕。祝愿各位读者能够挑选到适合自己的如意平板，安全出行，欢度双节！十一长假出行系列文章，本期编辑深入平板显示，怎样挑选在户外屏幕同样靠谱的平板，本文或许将给你些启发。
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如何检查新手机屏幕的坏点
　　随着技术的发展，手机的功能越来越多，对手机屏幕的要求也越来越高。大部分消费者在购机时，对手机屏幕的大小、、等比较关注，而对屏幕的坏点不太注意，不知道如何鉴别手机屏幕上的坏点，下面笔者就告诉大家如何鉴别手机的坏点。
　　了解坏点
　　坏点包括亮点和黑点，有些亮点会在任何颜色下显现，有些亮点仅在某些颜色下才会显现出来；而黑点就是在屏幕为白色时显示为黑色的点，在不同的颜色背景下显示可能不太一样。
　　彩屏手机上的“坏点”一般有两种情况：一种是硬件问题造成的，即手机屏幕面板的确有坏点，就是所谓的亮点和黑点。另一种是软件问题造成的，由于手机软件设计上的漏洞而导致手机屏幕上出现坏点。
　　实战检测
　　第一种方法：肉眼鉴别
　　最直观的方法当然是用眼睛来鉴别，不管是彩屏手机还是带拍照功能的手机都可以通过眼睛来仔细辨别，目前市面上所售的手机屏幕一般都不是很大，用肉眼看仔细点很快就能把“坏点”挑出来。
　　第二种方法：照片鉴别
　　我们在鉴别的屏幕时，在不借助软件帮助的情况下，经常采用的办法就是将桌面的色彩调成纯白、纯黑或纯红等颜色，这样很容易就能在屏幕上发现亮点或黑点。鉴别彩屏手机坏点的方法基本相似，不过彩屏手机的调节就没有笔记本那么容易了。这里分成两种情况：
　　1、对带有拍照功能的彩屏手机，可以先用手机拍摄两张照片，一张全黑照片和一张全白照片。拍摄全黑照片时可以用手直接捂住手机就可以拍了，注意不能漏光；拍摄全白照片时，可以在光线较好的地方对准一张白纸拍摄。
　　2、对不带拍照功能的彩屏手机，这些手机大多数都带有接口、线功能或，这种手机虽然不能拍摄照片，但却能将电脑里的照片通过各种连接方式输入到手机里，并且能够显示出来。我们可以直接将电脑屏幕调成黑色或白色，然后将屏幕抓取下来存为，再把这些图片通过电脑传到手机上。
　　在彩屏手机上打开传上来的图片，再用肉眼仔细观察，通过全黑的屏幕很容易找出亮点，通过全白的屏幕也很快就能找到黑点。
　　刚才已经说过，坏点可能是硬件问题造成的，也有可能是软件问题造成的，因此我们还需要分辨出到底是哪一种。可以多打开几张全黑或全白的图片，如果看到的坏点数量和位置都是固定的，那么这些坏点就是由硬件问题引起的。如果坏点的数量和位置并不固定，有时坏点看不见，有时却出现很多，则可以断定是软件的问题，这是由于手机软件设计方面的缺陷造成的。
　　点评：如果购买时发现手机屏幕上有坏点，当然最好是更换，已经购买彩屏手机的朋友如果发现自己手机屏幕上有坏点，也没有必要懊恼，只要坏点不是很多，不影响正常使用也没有什么。如果是软件问题造成的坏点，可以通过升级手机固件来解决，没有升级经验的朋友最好找手机厂商的售后服务部门解决。
（作者：　责任编辑：阿俊）
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笔记本手机数码家电怎样测试手机屏幕是否有漏光及坏点?
教你个简单方法不用软件检测，打开相机用手盖住摄像头照张相就可以拿这张黑相片来看了，以后去买手机也马上可以检测了，
用测试软件测试屏幕坏点、亮点；&推荐用“屏幕坏点测试”、“屏幕快测”&漏光在黑暗的房间中开机四周多角度查看，。。。
四种测试手机屏幕漏光方法：1、利用黑色壁纸或照片检测漏光：通过将手机显示调为全黑，亮度调至最大，然后在将屋内的灯全部关闭，观察屏幕受否有漏光；2、在光照下观察屏幕亮度：找一张较为艳丽的照片，将手机亮度同样调至最亮，并在室外阳光充足的地方观察手机屏幕色彩是否均匀，且色彩是否正常；3、利用手机调色板观察屏幕：手机的色阶目前有三个基本色红、蓝、绿各256个，同样的黑白也是256，下载一个调色板软件，通过观察屏幕色阶变化情况，看是否有不均匀或者不规则的黑白灰三色；4、蓝绿色观察手机屏幕：利用纯色观察坏点是最容易辨别的，而绿色及蓝色又是纯色中最容易发现漏光的颜色，利用这两种颜色观察是否有白光透出，来判断屏幕的漏光严重程度。注意：LCD屏幕漏光是不可避免的，视情况如果不严重就无需在意。
打开画图板~~全化成黑色 然后在光线暗的地方看4边即可看出是否漏光~~
肉眼就能看出来的东西为啥要用软件
我的 刚买的时候就有
查看原帖&&
LBE安全大师
有个测iPad阴阳屏的，可以百度搜下。
你可以用360啊，那个什么功能都可以测试，比较专业点
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请输入私信内容：屏幕检测大全 - 阴阳屏|竖纹|对比度|坏点|漏光检测|残影测试
关于此套屏幕测试
此套测试包含了阴阳屏、竖纹、对比度、坏点测试、漏光、残影测试等常用检测，可以帮助您在购买得新机后，对设备的屏幕性能进行评估。其中，阴阳屏的检测包含了 4 种方法。
屏幕性能良好的重要性
屏幕的质量不仅应当符合手机的价格，更应该满足人们的视觉享受。一般地，一块表现优秀的屏幕能够在您在做图片编辑和处理时，不会受到屏幕自身因素的影响，从而更准确的把握颜色的配合。
点击直达跳转到对应的检测
屏幕对比度测试
您能在屏幕开到最佳亮度的情况下，看到最多的行数，您的屏幕对比度则越优秀。
以下一共 A～N，14 行
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
您看到了最多哪一行
屏幕竖纹检测
检测方法：缩放以下竖纹区域，确保缩放过程中屏幕不会闪烁、出现色斑色块现象。如果使用 Safari 浏览器，可以将以下竖纹区域最大化后，再点击 Safari 的“所有标签页”按钮，并检查这个 3D 的过渡动画中，屏幕不会闪烁、出现色斑色块现象。
您是否观察到了闪烁或色块
屏幕坏点检测
将使用大量的纯色来检测坏点。请将屏幕横屏、最大化，并缩放以下的纯色直至铺满屏幕，开启最佳亮度来寻找异色点。
屏幕漏光检测
漏光是指，在完全黑暗的房屋中，当屏幕显示纯黑色时，屏幕的四周会向内辐射光亮的光斑，导致黑色不均匀。在您观看电影时，漏光现象可能会影响到您的体验。要测试，请进入黑暗的房间，并将屏幕横屏、最大化，缩放以下的黑色纯色直至铺满屏幕，开启最大亮度来观察屏幕边缘是否存在异常光亮。
您是否观察到了漏光现象
阴阳屏检测
阴阳屏是指屏幕整体色调不均匀，存在某处或某大片部位的偏色现象。最常见的是屏幕上下、左右分别偏蓝或偏黄。以下提供 4 种方式检测。
阴阳屏检测 - 方式 1
对于以下纯白色，要测试，请尽量排除外界光源的干扰，并将屏幕横屏、最大化，缩放以下的白色纯色直至铺满屏幕，开启最佳亮度来观察屏幕是否颜色不均匀。
您在观察时，应当排除视角的干扰。您应当以合适的距离垂直地看向屏幕的中心，并尝试理解附近区域的颜色变化。如果用眼疲劳，可能会出现误解。
阴阳屏检测 - 方式 2
对于以下大段带下划线的白底灰色文字，要测试，请尽量排除外界光源的干扰，并将屏幕横屏、最大化，缩放至各种尺寸大小，开启最佳亮度来观察这些文字是否都是同样的颜色。
您在观察时，您可以尝试从不同的对角线倾斜着观察。如果确定了有颜色改变，请将设备旋转 180 度再观察一次，确保不是误解。
Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem
Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32. Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32. Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.
阴阳屏检测 - 方式 3
对于以下灰底(#FAFAFA)灰字(#777、#BBB)黑字(#000)，请尽量排除外界光源的干扰，并将屏幕横屏、最大化，缩放以下的区域至各种尺寸大小，开启最佳亮度来观察屏幕这些文字和灰色背景是否存在颜色变化。
您在观察时，您可以尝试从不同的对角线倾斜着观察。如果确定了有颜色改变，请将设备旋转 180 度再观察一次，确保不是误解。
Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem
Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem
Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem Lorem
Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32.
阴阳屏检测 - 方式 4
请尽量排除外界光源的干扰，并将屏幕横屏、最大化，缩放以下的区域至各种尺寸大小，开启最佳亮度来观察以下图案，各种形状的图案应该是相同的颜色。
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WHITEWHITEWHITEWHITE
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您是否观察到了阴阳屏现象
屏幕残影测试
残影是指，当屏幕长期显示某一高对比度图案后，难以瞬间恢复的情况。
要测试，请将屏幕横屏、最大化，并缩放以下的黑白格子直至铺满屏幕，等待 10 分钟或更长时间，并点击它来立刻切换到灰色，观察是否有残影情况存在。
您是否观察到了残影现象