The key factors to determine the brightness of the LCD mosaic wall

Hue represents the color of light, which is determined by the wavelength of light. In fact, the boundaries between the wavelength ranges of the visible light are not very clear, and the hue is determined by the color component having the highest intensity. For example, seven colors of light in the natural world correspond to different tones, and each of the tones corresponds to a different wavelength.

Color saturation: color saturation indicates the color depth or brightness of the light, depending on the white light content in the color, the higher the white light content, the lower the color light content, and the lower the color saturation, and vice versa. Of course. Its value is a percentage, between 0-100%. Pure white light has a color saturation of 0, and pure color light has a saturation of 100%.

LCD splicing screen brightness: Brightness indicates the degree of brightness of a certain color caused by the human eye. It is directly related to the intensity of light. The greater the intensity of light, the brighter the scene; the smaller the intensity of light, the darker the scene. Brightness represents the size of the light energy, also called luminance.

LCD mosaic hue

Hue: As the name suggests, it refers to the appearance of various colors, such as Dahong, Pulan, and lemon yellow. Hue is the primary feature of color and is the most accurate standard for distinguishing between different colors. In fact, any color other than black and white gray has hue attributes, and hue is composed of primary colors, inter-colors, and complex colors.

From the optical point of view, the hue difference is caused by the length of the wavelength of the light wave. Even the same color, it can be divided into several hue, such as yellow can be divided into yellow, yellow, lemon yellow, gray color can be divided into red gray, blue gray, purple gray and so on.

There are six basic shades of red, orange, yellow, green, blue and violet in the spectrum. The human eye can distinguish about 180 colors of different colors.

LCD mosaic complementary colors

If two colors of light (monochromatic or polychromatic light) are mixed in an appropriate proportion to produce a white sensation, these two colors are called "complementary colors." For example, the red light with a wavelength of 656 nm and the cyan light with a wavelength of 492 nm are mutually complementary colors; for example, magenta and green, yellow and blue, ie, any of the three primary colors, are complementary colors of the other two mixed colors. . The complementary color is subtracted (as in the case of pigments. When the two complementary colors are applied on the same point of white paper), it becomes black. When complementary colors are juxtaposed, they give rise to a sharp contrast of color sensations, and they feel red and green and green. If the saturation of the complementary color is weakened, it can tend to be reconciled.

The color of a non-luminous object mainly depends on its absorption and reflection of foreign light, so the color of the object is related to the illumination light. The color of an object is generally referred to as the color of the object when it is illuminated by white light. If white light is irradiated on the mixed surface of yellow and blue colors. Yellow pigments can reflect the four colors of red, orange, yellow, and green in white light, while blue light can absorb three colors of red, orange, and yellow, resulting in a green color of the mixed pigment. This color mixing is different from additive color mixing, called subtractive mixing. Objects that can completely reflect white light are called white bodies; objects that can completely absorb light are called black bodies.

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