Four-color mixed backlight

Large-format uniform lighting;
The proportion of effective luminous surfaces is high;
Can achieve different color mixing scheme;
High degree of integration, to avoid switching back and forth between different color light sources.

Categories: Industrial Lights, Non-standard light source

Description

Selection description

JL	–	BRL	850×700	–	GBWY	–	GL	–	4
Brand		Bottom backlight series	luminous surface size		Light source color		Highlight		Number of outlets

Product features

◆ Large-format uniform lighting

◆ Effective luminous surface accounted for a high proportion

◆ Can achieve different color mixing scheme

◆ High degree of integration, to avoid switching back and forth between different color light sources

Application of case

Use of positive light
Gasket side glue profile detection
White background workpiece	Black Background Artifacts

The blue light source has a short wavelength and weak penetration, and the blue channel value in the GBWY four-color mixed backlight is raised, and the value of other channels is lowered, highlighting the contours of the transparent colloid.	The product is frosted material, black products are illuminated, the overall brightness is low, and the channel value of the four colors can be adjusted to the highest, increasing the brightness of the screen for easy detection.
Yellow background workpiece	Blue-green background artifact

Using the adjacent color principle, the value of the yellow channel in the GBWY four-color mixed backlight is raised, and the value of other channels is lowered, the background is brightened, and the outline of the transparent colloid is highlighted.	Using the adjacent color principle, the value of the blue and green channels in the GBWY four-color mixed backlight is raised, and the value of other channels is lowered, and the background is brightened to highlight the outline of the transparent colloid.

Backlight use cases
Thin Film Testing
Thin Film Surface Defect Detection	Surface Character Recognition

Characters are yellow-green, lighter colors, yellow, green channel combination of mixed light, the character filtered out, exclude the interference of the characters, easy to detect product surface defects, such as scratches, dirt, burrs, etc.	Character color is lighter, the use of four-color backlight in the blue channel light source, short wavelength, weak penetration, can better highlight the product character, strengthen the feature contrast

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