Precautions for selection of led display screen in hotel banquet hall.building advertising billboard

　　Because of its good display effect and visual feeling, indoor LED display screen is more popular with advertisers in large hotels and supermarkets. What should we pay attention to when selecting LED display screen in the hotel banquet hall?

　　The advantages of ordinary rear projection display are small pixels and high definition, while the disadvantages are low brightness, small angle of view, and short lens lamp life (only several thousand hours). DLP has the advantages of small pixel points and high definition, but the disadvantages are that it has seams. At present, the minimum seam can reach 1mm. The rear projection type and plasma display screen are suitable for close viewing. The advantages of indoor LED display are high brightness and no seams, while the disadvantages are coarse pixel particles and low definition. At present, the more economical model of commercialized indoor full-color LED screen is P5 P6, and other models include P3 P4 P7.62 P8, etc. LED display is suitable for viewing indoor places with a long distance.

　　When selecting the LED display screen in the banquet hall, the following aspects can be considered

　　Generally, in an indoor environment, the screen area will exceed 3 m2. Therefore, in this case, there are three options to choose from: ordinary rear projection, DLP (digital liquid crystal rear projection) and LED display.

　　1. Tube core: like outdoor full-color LED screen, it is generally recommended to use LED encapsulated LED for indoor full-color display screen, and the tube core of Japanese Riya and American CREE is recommended for high-end products.

　　2. Density: Due to the large heating capacity of the indoor full-color LED chip and the high density of the control circuit, the point density of the commercialized full-color screen can not be very high. The indoor screen models of Liancheng Fa include P1.6 P2 P2.5 P3 P4 P5, P6, P7.62, P8, etc.

　　3. Packaging form: The 3528 2121 1010 in surface mount packaging has the advantages of large viewing angle, good luminous consistency, easy automatic welding and processing, and is the mainstream product of full color screen.

　　4. Driving mode: The driving mode of indoor full-color LED screen is constant current driving, and dynamic scanning mode is adopted (mainly 1/4, 1/8, 1/16 and other scanning modes).

　　5. Refresh frequency: increase the refresh frequency to ensure that there is no flicker or tail under the camera.

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