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How Does An LCD Screen Work? Answering A Liquid Crystal Display Tech Question #LCD #Tech   You can find Liquid Crystal Display (LCD) technology everywhere: in TVs, computers, tablets, laptops, smartphones, watches, monitors, displays, calculators, cellphones, smartwatches, and many more… but do you know how this awesome tech works? Do you also know that the working principle of LCD is pretty similar to the newer LED backlit based screens (edge LED or direct LED)? So today, we explain how an LCD screen work by looking inside an LCD screen and detailing all of its layers. We will talk about the reflector sheet, the Light Guide Plate (LGP), the Dual Brightness Enhancement Film (DBEF), the diffuser sheet, the prism sheet, the bottom polarizer, the bottom glass substrate (backplane), the Thin Film Transistor (TFT), the Liquid Crystal, the Common electrode, the color filter (RGB), the top glass substrate, the top polarizer, and the top chassis and frame. Understanding how a screen works can be especially handy to know if you like clever technology or to understand if your screen breaks down, and you need to figure out what is going on to repair it… knowledge is power! Screenage Electronics is engaged in the field of design, engineering, production and marketing of Digital Signage solutions to the Indian market since 2018. Our core products are Digital Signage Displays, Digital Menu Board, Interactive Touch Screens, Smart Class Room Solutions, Ultra Stretched Screens, Self Service Kiosks, Video Wall, Outdoor Screens, etc. Screenage has its own production facilities

Hospital LCD advertising machine With the help of network LCD advertising machine, medical institutions can broadcast medical, registration, hospitalization and other related information. In addition, the LCD advertising player system solution can also be used to allow doctors and patients to interact, provide map-oriented, entertainment information and other content services, not only can simplify the process of seeing a doctor, the LCD advertising player is also conducive to alleviating the anxiety of patients. Retail chain LCD advertising machines rely on the online version of LCD advertising machines to help users immediately release content information such as shopping guides, products and promotions. The rich display functions and bright colors of the LCD advertising machine can effectively enhance the shopping experience of consumers, while also helping users simplify the information release process, and ultimately improve the sales performance of users in the retail industry. The hotel network LCD advertising machine can also display information in the public area of ​​the hotel, and can provide customers with hotel service information. For example: hotel map, room usage, cuisine recommendations, discount activities and other information content. In addition, when necessary, the online version of the LCD advertising machine can also develop relevant hotel operation support based on the hotel’s original system, such as hotel automatic check-in and account number services. Metro LCD advertising machines, bus LCD advertising machines, airport LCD advertising machines, and station LCD advertising machines rely on the online version of the LCD advertising machines to allow users to update and release traffic

[Fault Phenomenon] One LCD touch screen doesn’t work, and there is no response when touching any part.   [Fault Analysis and Treatment] First check whether the connection interface is loose, and then check whether there is conflict between serial ports and interrupt number. If there is conflict, adjust resources to avoid conflict. Then check whether there are cracks on the surface of the touch screen. If there are cracks, replace them in time, Also need to check whether there is dirt on the touch screen surface, if there is, use a soft cloth to remove it. Observe and check whether the indicator light on the control box works normally. When it works normally, the indicator light is green and flashes.   If the above parts are normal, the touch screen can be checked by replacement method, first replace the control box, then replace the touch screen, and finally replace the host.   If it is a resistive touch screen, it can be overhauled as follows: 1）Check whether the connection of the touch screen is right, and whether one of the connections (taking 5V touch screen working voltage from the keyboard port) is connected. Please check the connection. 2）Observe the light condition of the touch screen control box. If it doesn’t light up or the red light is on, the control box is broken. Please replace it. 3）If not, please delete the touch screen driver and restart the computer, re-install the driver, or replace the driver with a newer version. 4）If