Nowadays, mobile phones are basically composed of front panel + middle frame + rear panel. When buying a screen with frame: it refers to the front panel (excluding the touch screen); the assembly: it is the front panel + touch screen, also called Screen assembly.
Assembly is a common noun in the mechanical field, which means assembly. A series of parts or products form a whole that implements a specific function. The general name of this system is the assembly.
Extended information:
The following are some common solutions to mobile phone touch screen failures
1. The touch screen response time is very long
[ Fault phenomenon]
A touch screen takes a long time to respond after touching the monitor screen with your finger.
[Fault Analysis and Treatment]
This may be caused by moving water droplets stuck on the touch screen. Just wipe it with a dry soft cloth. It is also possible that the host is too low-grade, such as the clock frequency is too low. If this is the case, it is best to replace the host.
2. The touch screen is partially unresponsive
[Fault phenomenon]
A touch screen, after touching the monitor screen with your finger, there is no response in some parts.
[Fault Analysis and Treatment]
This may be that the reflective stripes on the touch screen are partially covered, which can be wiped clean with a dry soft cloth. It is also possible that the reflective stripes on the touch screen were partially scratched off by a hard object and cannot be repaired.
3. The touch screen is normal but the computer cannot operate
[Fault phenomenon]
A touch screen itself is normal after testing, but after being connected to the host, The computer cannot operate.
[Fault analysis and processing]
This may be because the touch screen control card receives the operation signal before the host starts loading the touch screen driver. You only need to cut off the power again and then restart the computer. That’s it. It is also possible that the touch screen driver version is too low and the latest driver needs to be installed.
4. The touch screen does not respond when it is started for the first time after installing the driver.
[Fault phenomenon]
A touch screen is started for the first time after installing the driver. The touch screen becomes unresponsive.
[Fault Analysis and Treatment]
First confirm whether the touch screen circuit connections are correct. If not, shut down and connect all circuits correctly.
Then check whether there is a conflict between the device in the host and the serial port resource, check each hardware device and adjust them
Reference: Touch screen Baidu Encyclopedia