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How to evaluate the stand or fall of LED screen

From;    Author:Stand originally

The stand or fall of indication screen of a full prize is main and OK will sign from the following respects:
1. flatness
The exterior flatness of indication screen should be in ± 1mm less than, do not produce twist with assuring to show picture, local and raised or sunken can inspect angle occurrence blind angle into what can bring about indication screen. The stand or fall of flatness basically is decided by manufacturing technology.
2. brightness and can inspect angle
The brightness of indoor Quan Caibing should be in 800cd/m² above, the brightness of the Quan Caibing outdoor should be in 1500cd/m&su. . .


The stand or fall of indication screen of a full prize is main and OK will sign from the following respects:
1. flatness
The exterior flatness of indication screen should be in ± 1mm less than, do not produce twist with assuring to show picture, local and raised or sunken can inspect angle occurrence blind angle into what can bring about indication screen. The stand or fall of flatness basically is decided by manufacturing technology.
2. brightness and can inspect angle
The brightness of indoor Quan Caibing should be in 800cd/m² above, the brightness of the Quan Caibing outdoor should be in 1500cd/m² above, ability assures to show the regular job of screen, because brightness is too low,meet otherwise and the picture that sees not quiet place show. The size of brightness basically is in charge of the decision of stand or fall of core by LED.
The indication screen that the size that can inspect angle decides directly suffers how many numerous, had jumped over greatly more so. The size that can inspect angle basically encloses means to decide by what be in charge of core.
3. balances the effect in vain
White balance effect is one of index with indication the mainest screen. Chromatics is duped red green La Sanyuan's lubricious scale is 1: 4.6: 0.16 when just can show pure white, the deviation that if actual scale has a bit deviation,can appear to be balanced in vain, should notice whether white has commonly slant blue, slant olive phenomenon. Bai Pingheng's stand or fall basically is decided by the control system of indication screen, tubal core is influential also to colorific reproducibility.


4. colorific reproducibility

Colorific reproducibility is to show indication screen is right colorific reproducibility, the color that shows screen shows already should maintain height to agree with the colour that broadcasts a source, such ability assure the sense of reality of image.
5. has without phenomenon of mosaic, dead center
Mosaic is the Chang Liang that points to to appear on indication screen or constant black small all directions piece, already modular group is necrotic phenomenon, its are main the reason is what indication screen place uses to receive plug-in unit quality to close nevertheless.
Dead center is the Chang Liang that points to to appear on indication screen or constant black single site, of dead center more or less basically be decided by the stand or fall that runs core.
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