What are special full-color LED display LED lamp bead advantage

by:GKGD     2020-04-19
Good morning, everyone, welcome to the league's interactive conversation will be photoelectric LED display manufacturer. Apart for several days without talking to you the LED related technical knowledge, today our topic is conversation special full-color LED display, LED lights, what are the advantages? Hope you put forward valuable Suggestions and sharing. From the quality of the special full-color LED display, LED lamp bead and parameters can be summed up in the following five elements. 1, the failure rate due to the full color LED display screen by tens of thousands or even hundreds of thousands of set of red, green, blue three kinds of LED lights, composed of pixels, any color LED lamp bead failure will affect the display of the overall visual effect. In general, according to industry experience, at the beginning of the LED display assembly to aging failure rate of 72 hours before delivery should be no more than one over ten thousand ( Refers to the LED device itself causes of failure) 。 2 LED lamp bead is a semiconductor device, antistatic ability, is sensitive to electrostatic, easily lead to static electricity failure, so the antistatic ability is very important to the life of the LED display. In general, the LED lamp bead pattern of human body electrostatic voltage test failure should not be less than 2000 v. 3, the attenuation characteristics of red, green, blue LED lamp bead are increased with the increase of working time attenuation features of intensity. Advantages and disadvantages of the LED chip, the stand or fall of auxiliary materials and packaging technology level of high and low attenuation speed determines the LED lamp bead. In general, after 1000 hours, 20 ma lighting test at room temperature, the red LED lights, the attenuation of the bead should be less than 10%, the attenuation of blue, green LED lamp bead should be less than 15%. Red, green, and blue attenuation of the consistency of full-color full color LED display great influence on the white balance in the future, will affect the display of the LED display fidelity. 4, brightness LED lamp bead brightness is one of the important determinants of LED display the whole screen brightness. LED lamp bead brightness is higher, the LED lamp bead is good stability. LED lamp bead value has a different point of view, in the case of chip brightness is set, the smaller the Angle, the LED lamp bead, the brighter the but the smaller the Angle of LED display. General should choose - 100 degrees 110 degree LED lamp bead to make sure that LED display enough perspective. Aiming at different spacing and different range of LED display, should be in brightness, Angle and find a balance on the price. 5, consistency, full-color LED display is made up of thousands of red, green, and blue LED lamp bead Mosaic composed of pixels, each color consistency of the brightness of the LED lamp bead, wavelength determines the brightness of the LED display consistency consistency, white balance, color consistency. In general, the manufacturer of full color LED display device vendor for 5 nm wavelength range and 1:1. 3 scope of the brightness of the LED lamp bead, these indicators can be made of device supplier classification through the testing machine can achieve. The consistency of the voltage generally do not require. As is the Angle of the LED lamp bead, the full color LED display has the same directional Angle, namely in different angles, its luminance will be increasing or decreasing. So, red, green, blue three colors the Angle of the LED lamp bead consistency will seriously affect the consistency of different angles white balance, directly affect the LED display video color fidelity. To be red, green, blue three kinds of LED lights, a change in brightness matching consistency in different angles, encapsulated lens design, choice of raw materials is needed in the strict scientific design, depending on the packaging supplier's technical level and advanced production testing equipment. White balance again good LED display, if the Angle of the LED lamp bead consistency is not good, the whole screen different point of view of the white balance effect will be bad. Flowers in the little rain in March, may, June of the season. Today is weekend, have a great weekend, bring you good mood, ready to discuss our next segment of LED display technology, friends, see you next time.
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