Full-color LED display manufacturers photoelectric Zweig is a research, production, marketing, project implementation and after-sales service for the integrated enterprise, it is one of the largest providers of LED products application system solutions currently. The company products include: LED outdoor full color display, LED indoor full color display, LED brick screen, LED bus screen, LED traffic screen, LED color screen, LED rental display, LED advertising screen high-definition, LED high-definition dot pitch screen, LED indoor display, outdoor advertising vehicles, DLP laser fusion screen, LED display application development, customized interior appearance stickers, and other products. Full-color LED display is good or bad can be signed from the following aspects: 1. flatness. LED display surface flatness to within ± 1mm, in order to ensure the display image is not distorted, partial raised or recessed will lead to the display viewing angle appears dead. The quality of flatness is determined mainly by the production process. 2. brightness and viewing angle. Brightness LED Indoor P4 full color display to be at 1500cd / m2 or more, outdoor brightness full color to the 7500cd / m2 or more, to ensure the normal operation of the display, or because of the brightness is too low to see the displayed image . The size of the brightness of the LED lamp bead is good or bad decision. LED directly determines the size of the viewing angle of the display how much of the audience, and therefore the bigger the better. The size of the viewing angle from the die is encapsulated to decide. 3. white balance. White balance is one of the most important indicators of the LED display. Red, green and blue color science taken in the ratio of 1: 4.6: 0.16 pure white will show, if the actual proportion of any deviation occurs the white balance bias, usually pay attention to whether there are bluish white, yellow green phenomenon. White balance is mainly determined by the quality of the LED display control system, lamp beads for color reduction also affected. The color reduction. Color reduction refers to the color LED display for color reduction, both the LED display to be highly consistent with the color of the playback source, so as to ensure realistic images. 5. Product design. Full-color LED display a wide range of indoor and outdoor energy-saving products such as portable highlight high refresh everything, all walks of life on the LED display requirements are different, so buyers in resolution LED display LED display when the quality and choice To set your own needs, whether manufacturers LED display products to the greatest extent consistent with their needs. 6. Material Control. The quality of the materials chosen play a decisive role to select high-quality raw materials at the source of the LED display good quality control. So for buyers as the study focus. Quality materials, stable quality, courteous service is the best witness of our customers and long-term cooperation, thank our customers for our consistent support; innovation, to lead the future, creating the world's first brand Zweig Optoelectronics Technology photoelectric promise: never to the lowest bidder mass times the LED display as a means to attract customers, conscientiously do business, real business survival and development in order to make the company a longer road to go farther. Our goal is to make every one screen, good service to every customer. Each LED display from raw material procurement, gluing and assembly to aging test, the quality department has strict QC inspection checks, I strive to quality, price, honest service to win customers.