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The mobile phone LCD screen uses liquid crystal molecules as raw materials. Liquid crystal is a liquid photoelectric display material. When it is powered on, it conducts and the arrangement becomes orderly, making it easy for light to pass; when it is not powered on, it is arranged Chaos prevents light from passing through, allowing the liquid crystal to block or allow light to penetrate like a gate.
CRT monitor, CRT (Cathode Ray Tube) is a cathode ray tube. It is a display technology that is widely used.
Open the WeChat discovery page and click to open the mini program. Search for and open the splash screen mini program in the mini program. After opening it, find the classic full-screen version of the barrage and click to open it.
Certainly not. I heard that only a few Japanese manufacturers can make mobile phone LCD screens, such as Sony and HP, which are all purchased by mobile phone manufacturers.
When a finger touches the screen, the two conductive layers come into contact at the touch point. The controller detects this contact and calculates (X, Y. Capacitive technology touch screen: uses the current induction of the human body to perform Works.
The first step is to power off the phone. Then remove any tray or SIM card slot cover , remove the screwdrivers on the back of the phone. These screwdrivers may be hidden under labels or rubber pads close to the back. Use a suction cup or a Spudger tool to separate the screen from the main body of the phone.
Details of replacing the external screen of your phone The process is as follows: Turn off the phone and remove the battery. Use a suction cup to remove the screen from the phone. Remove the back cover and built-in parts of the phone and find the external screen connection cable. Use tweezers to gently pull out the connection cable, being careful not to use excessive force. .Use a plastic scraper to slowly pry open the tape around the outer screen.
Take off the back shell and unscrew all the screws. It’s really a lot. Take off the back shell and this is the inside. The workmanship is really not good. Yep. Go on, take off the battery and motherboard. Heat it and prepare the screen. It must be heated and cannot be violently dismantled, because you still need to use the internal screen, which is the display. If it is broken, all your efforts will be wasted.
Replace it yourself When the mobile phone has an external screen, remove the battery and motherboard and use a screen splitter to separate the screen, then glue the screen together and irradiate it with ultraviolet light. Tools/Materials: Huawei mate30, HarmonyOs0.0.138, local settings. Remove the back case of the mobile phone, Unscrew all the screws, take off the back case, and then remove the battery and motherboard.
1. The quality inspector in an electronics factory is Check the quality of electronic products. Quality inspectors are generally responsible for checking product quality, which is divided into functional quality inspection and appearance quality inspection. Individual inspections require the use of relevant instruments. Quality inspectors need training and certification to take up their posts, and they must pass the quality inspector qualification examination and carry Qualification certificate for quality inspectors.
2. Their responsibility is to ensure that products comply with relevant standards and specifications to ensure their quality and safety. The following are the products that quality inspectors usually need to inspect, and what quality inspectors need to do The products produced are comprehensively inspected, including appearance, size, materials, workmanship, etc., to ensure the quality of the products.
3. The quality inspector is responsible for the quality inspection of materials, products, and equipment; the quality inspector Job goal: The person responsible for the quality inspection of all materials, products, and equipment of the company. The main job content of the quality inspector is responsible for professional inspection and keeping track of the quality status of sub-projects in each operating area.
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