What's bad about the iphone screen bad point test tutorial

What is the screen bad point

The LCD screen's bad point is also called a point absence, which refers to the LCD display Black-and-white and red, yellow, blue, the three primary colors displayed in the sub pixel point, each point is a sub-pixel. The LCD screen is most afraid of the bad points. In the event of a bad spot, a point on the display will always display the same color, regardless of the image displayed by the display. This "bad point" is not serviceable, and only the entire display can be replaced to solve the problem.

iphone screen bad spot test

There are a number of Web sites on the web for us to provide a variety of solid color images, let us test in a different color background, to see if the screen has a bad point. First, please open the Safari browser on your phone, as shown in the picture

1. Down Please enter in the top URL bar: display.bbgxzx.com This just started, open it.

After you open this page, you can see images with different colors below and black at the front. Slide the page, you can change different colors.

Next, please adjust the current iPhone screen brightness to the maximum (can be directly adjusted in the control center), and preferably in a dark room.

When you slide to the image, please display the IPhone6 in horizontal mode, and you will find that the entire screen will be filled with the current color. Then please open your eyes, carefully check whether there are bright spots on the screen, such as the bad points. If the screen is all right, you won't see any strange dots or anything like that.

Then slide the page, you can display different colors, because some of the bad points need different color background to be found, so we use a different color background to check.

How to fix the bad point of the iphone

First of all, we still have to analyze the cause of the bad point, the general bad point of production can be attributed to the problem of screen LCD manufacturing defects, LCD screen is composed of a number of points, each point by the RGB three primary colors of pixels constantly changing color and image. However, when the pixel problem occurs, the color can not automatically change, it formed a bad point. The bad points are usually divided into several, if the color highlights, then the point of the pixel is only stuck, we can fix such a bad point. But if it is black, it means that the point is completely broken, even if the repair is ineffective.

For television and computer monitors this most use of soft screen products, you can use the method of pen cap press to repair the bad point, the method is very simple, that is, turn on the computer and monitor, the screen display set as a and bad color contrast stark pure color, so you can make the bright spot at a glance. Then find a pen with a smooth cap, gently squeeze its cap against the bad, then you can see the white light, if not, you can slightly increase the intensity. After approximately squeeze 5~10, the liquid crystal flow inside the display screen can let the jammed pixel return to normal, then let the bright spot disappear.

Of course, this method is not necessarily useful for mobile phones, because the capacitance screen of the mobile phone are using a hard screen, must try to use very large strength, look slightly violent, if you do not want to use this method, you can try to use the following hot towel heating method.

We can't fix this kind of problem. We can try to go to the official. After all, this is the new mobile phone is shifting, but also the quality of the phone itself is not a problem we artificially caused the screen has a bad point, so definitely can be changed.