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"1. Brief Introduction of Projectors What is the projector? Users and the projector stand on the same side. The person can see pictures appear on the screen or flat surface through the projector reflected by the light. Pros: Ultra big screen size, flexible picture size, lower costs, simple structure, easy access to achieve high resolutions, multiple media input. Cons: Caused by ambient brightness, its contrast is low, and uniformity is no good. 2. LED (Lighted Electronic Diode) screen What is an LED? It utilizes the unidirectional conductivity of the diode. The electronic circuit is used to control its color and grayscale to realize graphic and video display."

"Ultra-thin, Heat-dissipating, and Flexible: A New Direction of LED Screen Design The idea of ultra-thin and flexible LED products indicates the advanced concept in color TV business and in mobile phone circles. Also, it suggests the direction of developing OLED displays. For engineering large scale LED screens, is being ultra-thin and flexible necessary for the LED screen technology? Absolutely yes. The ultra-thin LED screen can be used in a more compact and sophisticated environment and perform more complex and creative decorative effects. Moreover, it helps save costs, because it takes up less space and labor, especially the high-price housing area and labor cost."

"Where can the Flexible LED Display Screen be Used? For LED screen industry, flexible LED screen, being different from traditional LED screen, will become more and more widely used in the future, which comes with attributes of customization. It can be applied in broader range of special scene applications, while the traditional rigid LED display cannot. For buildings with curved walls, flexible LED screens can perfectly match the curvature of the wall or structure. However, it is difficult to fit curved structure with rigid LED screen for it is made of rigid PCB board and back cover without any flexibility. Traditional rigid LED products cannot layout large LED screens or need chamfer to fit curve structure, which may cause costs increasing and slow down the process of the whole project. To solve this problem, flexible LED screen would be the best choice for creative structure with its high flexibility. So, in what scenarios are the flexible screens used widely?"