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Understanding Glare Screen Issues
In this article, we will explore in-depth the glare screen issue on Android devices and discover ways to address this situation.
What is a Glare Screen Issue?
If the edges around the smartphone screen still emit light when you have a dark wallpaper open, your smartphone may have a glare issue. Many smartphones are currently affected by glare screen problems. According to TrangeHow, any product with an LCD screen using backlight technology is prone to glare issues, including iPhones.
The glare issue manifests as white light leaking around the edges of the smartphone screen. It becomes more noticeable when running an app with a dark background or viewing a dark-themed website. This issue may even occur when the phone screen is naturally dim, such as when unlocking the screen. The glare seems to concentrate around the edges of the screen. So, if you encounter light issues in the middle of the phone screen, it's not a glare problem but could be a dead pixel or an issue with the touch screen digitizer.
Causes of Glare Screen Issues
The touchscreen of a smartphone typically consists of multiple layers, including the outer plastic frame, the touchscreen itself, and the backlight. The backlight continuously operates when the smartphone is on, and the LCD screen is placed on top of this backlight. The LCD screen blocks out all unnecessary light from the backlight, except for the light needed to illuminate the application you have open. When assembled incorrectly, light may leak around the edges of the phone, causing glare issues.
Root Causes of Glare Screens
The touchscreen of a smartphone is composed of multiple layers, including the outer plastic frame, the touchscreen itself, and the backlight. The backlight operates continuously when the smartphone is on, and the LCD screen is positioned atop this backlight. The LCD screen blocks all unnecessary light from the backlight, except for the light required to illuminate the open application. Improper assembly can lead to light leakage around the phone's edges, resulting in glare issues.
Which Smartphones Can Encounter Glare Screen Issues?
Technically, all products using LCD screens can be susceptible to glare issues because all LCD screens have a backlight, allowing light to leak through the edges. These products include LCD TVs, computers, phones, and smartwatches. In reality, even Apple's iPad and iPhone have received numerous complaints about glare screen problems. According to websites like TheStreet.com and Geek.com, the iPad 2 and iPhone 4 are among the Apple products most affected.
Resolving Glare Screen Issues
Fixing glare screen issues on smartphones is not a simple task. The problem stems from improper assembly between the LCD screen and the backlight. To resolve it, you'll need to replace the touchscreen digitizer, essentially swapping out the entire screen. Typically, users cannot fix this issue themselves, and attempting to open the device may void the warranty. It's best to visit smartphone manufacturers' service centers to address this problem. Additionally, adjusting the brightness and contrast of your phone may temporarily minimize the visibility of this issue.
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Is Glare Screen Issue Serious?
This is a question that many users ponder. On Reddit forums, many suggest that if the glare light is bothersome, you should request a replacement. Otherwise, you may choose to 'live with it.' However, if the device is new, the advice is to seek a replacement. The Backlight Bleed Test is an Android app to help check for glare screen issues. You can download the app [here](https://Mytour.vn/nhan-biet-man-hinh-ho-sang-tren-smartphone-630n.aspx). Additionally, the video below provides a method to check for glare screen issues by displaying a completely dark background for examination.
