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With the wide application of LCD in vehicle products, instruments and other electronic products, there will always be flashing in the process of use, which will affect the use of customers. What we should do at this time? Now we would like to share with you the causes and solutions of LCD screen flashing： The frequency of the LCD screen itself is too high, resulting in the flash screen. However, in real life, it is rare for the device to flash due to high frequency. According to the industry technical personnel, people’s naked eyes have no sense of flicker for images over 60Hz, while the design standard of general LCD screens is basically within this data range, so under normal circumstances, the frequency will not be too high, but at the same time, the screen itself will not be excluded from failure. After testing by relevant instruments, it is really the fault of the screen itself. In addition to replacing the new monochrome LCD screen, it is to design the software related to the equipment. LCD flash screen solution: the best way is to increase the OSC frequency of IC to see the flash of LCD screen. Of course, if the LCD has separate row and column drivers, it can also be adjusted by setting the driver chip.   The frequency of LCD is close to that of light source. This is very common. Because the frequency of different light source is different, in some specific cases, when the frequency

The digital signage market is projected to grow by $6.71 billion by 2025 with the market’s growth momentum reaching 8.80% compound annual growth rate, according to a report from market research firm Technavio Insights. The report details statistical qualitative and quantitative data on hardware, software, and services, application, retail, QSR and restaurants, education, healthcare and others, according to a press release. The data revealed how regions across the world contribute to the market. Additional highlights include: The high growth of retail space is notably driving digital signage market growth. The foremost factor impeding market growth is the growing e-commerce market. AU Optronics, Daktronics, E Ink Holdings, HP, LG Electronics, NEC, Panasonic, Samsung Electronics, Sharp, Sony, and Screenage are a few of the key vendors in the digital signage market. 37% of the market’s growth will originate from Asian-Pacific countries during the forecast period. China and Japan are the key markets for digital signage in Asia-Pacific. The region has been recording a significant growth rate and is expected to offer several growth opportunities to market vendors during the forecast period. The digital signage market share growth by the hardware segment has been significant. Key drivers and trends There has been a negative impact on the market growth post-COVID-19, according to the report. Key factors such as the increasing adoption of digital signage in numerous service sectors and the high growth of DOOH signage are notably driving the market. However, improper digital signage implementation and cybersecurity issues are some challenges expected to impede

Capacitive touch screen and resistive touch screen are mainly different in touch sensitivity, precision, cost, multi touch feasibility, anti-damage, cleaning and visual effect in sunlight.   Touch Sensitivity Resistive touch screen: it needs pressure to make all layers of the screen contact. It can be operated with fingers (even with gloves), nails, stylus, etc. Support for stylus is very important in Asian market, gesture and character recognition are valued everywhere. Capacitive touch screen: the slightest touch from the surface of a charged finger can also activate the capacitive sensing system below the screen. Non-living objects, nails and gloves are invalid. Handwriting recognition is difficult.   Accuracy Resistive touch screen: the accuracy is at least a single display pixel, which can be seen when using the stylus. It is easy to recognize handwriting and is helpful to operate in the interface using small control elements. Capacitive touch screen: the theoretical accuracy can reach several pixels, but it is actually limited by the finger contact area. So that it is difficult for users to accurately click the target less than 1cm2.   Cost Resistive touch screen: very cheap. Capacitive touch screen: the price of capacitive screen from different manufacturers is 10% to 50% higher than that of resistive screen. This extra cost doesn’t matter for flagship products, but it may deter mid-priced phones.   The feasibility of multi touch Resistive touch screen: not possible unless the resistive screen is reconstituted and connected to the circuit of the machine. Capacitive touch screen: depending