The stand or fall of a full-color led display
main sign from the following aspects: 1.
Roughness of the led display surface roughness to within + / - 1 mm, to ensure that the display image is not distorted, local convex or concave can lead to the visual Angle of the led display blind Angle.
The stand or fall of flatness is mainly decided by the production process.
Brightness and the viewing Angle of indoor full color brightness to above 800 CD/m2, outdoor full color brightness to above 1500 CD/m2, to guarantee the normal work of the led display, otherwise it will because the brightness is too low and can't see shown in the image.
Mainly by the size of the brightness of led tube core is good or bad decision.
Viewing angles directly depends on the size of the led display how many of the audience, and the bigger the better.
The size of the viewing Angle is mainly composed of tube core encapsulated way to decide.
The white balance effect white balance effect is one of the most important indicator led display.
Chromatology on red, green and blue color for the proportion of 1:4.
16 will only show the pure white, if the actual rate is a little deviation will appear white balance deviation, generally pay attention to whether there is a slant blue, white slant yellow phenomenon.
The stand or fall of the white balance is mainly composed of led display control system to determine, tube core of color reducibility may also be affected.
The reducibility of color reducibility refers to the reducing of color led display, led display shows both the colors to maintain highly consistent with the colour of the source, so as to ensure the image sense of reality.
Have * * g, dead point refers to appear on the led display normally on the phenomenon of Mosaic or often black small four squares, necrotic phenomenon, both module used by the main reason for the led display connector quality closes nevertheless.
Dead point refers to appear on the led display normally on or black often a single point, how many of the dead point mainly determined by the stand or fall of pipe core.
Exist between those with and without the shades of color piece is refers to the adjacent modules are clear off color, color transition in module, color piece phenomenon caused mainly by the control system is poorer, grey level is not high, caused by lower scanning frequency.
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