source:pogo pin release time:2022-07-05 Article author:yu Popular:POGO PIN
The mobile phone screen is divided into a display screen and a touch screen. The display screen is made of LCD and OLED. The touch screen is divided into a resistive touch screen and a capacitive touch screen. The capacitive touch screen is mostly used on mobile phones. When a finger touches the screen of the mobile phone, the capacitance at the touch point of the touch screen will be changed, so as to realize the detection of the touch position, which is the basic principle of the capacitive touch screen. The mobile phone screen, whether it is a display screen or a touch screen, needs to be tested before it can be assembled and applied. The mobile phone screen test can be said to be one of the most important links in the whole mobile phone test. Only by selecting the appropriate module can some problems in the test be solved. The shrapnel microneedle module can play an important role in the mobile phone screen test, and its performance is very good in terms of current transmission and service life.
The mobile phone screen is the core of the operation of the mobile phone system, including hardware, software algorithms, mobile phone systems, third-party APPs, etc. If there is a problem in any link, it may cause the mobile phone screen to break and cause failure. Therefore, the test of the mobile phone screen Must be rigorous. In the mobile phone screen test, the shrapnel microneedle module has excellent performance in transmitting current and connecting signals. For example, in the current range of 1-50A, stable transmission can be maintained, so that the current flows in the same material body, and the overcurrent is stable and smooth; while in the small pitch, the shrapnel microneedle module can adapt to a pitch value of 0.15mm- Between 0.4mm, it can maintain a long-term stable connection, and the performance is stable and reliable. The frequency of mobile phone screen testing is generally very high. The shrapnel microneedle module has an average service life of more than 20w times. Under the condition of good operation, maintenance and environment, it can reach 50w times, and it can also be very good in high-frequency tests. response.
When the mobile phone screen is in use, under normal circumstances, when you click the icon on the mobile phone, the screen will respond, but occasionally there will be no response, which is the embodiment of the broken touch of the mobile phone screen. When the screen of the mobile phone is disconnected, first determine whether it is caused by oil, sweat, foreign matter, or inferior film on the screen. In addition, the use of non-original chargers and charging cables will also cause the screen of the mobile phone to be disconnected. Then check whether the mobile phone system is compatible with the APP. If the system does not support the application of an APP, the mobile phone screen may be disconnected. If none of the above problems exist, it is very likely that there is a problem with the quality of the mobile phone screen.
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