Liquid crystal display device
First Claim
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1. A liquid crystal display device comprising:
- a liquid crystal panel having a plurality of pixels;
a backlight having at least one light source unit that emits light to the liquid crystal panel; and
a control circuit that controls the liquid crystal panel and the backlight based on an input video signal;
whereineach of the plurality of pixels has four or more sub-pixels;
the four or more sub-pixels include a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a yellow sub-pixel;
the light source unit includes a red light source, a green light source, and a blue light source; and
a magnitude correlation between relative intensities of the red light source, the green light source, and the blue light source has a same magnitude correlation between respective relative intensities of red, green, and blue grayscale levels indicated in the input video signal.
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Abstract
The liquid crystal display device (100) of the present invention includes a liquid crystal panel (10) having a plurality of pixels (P), and a backlight (20) having at least one light source (22) that emits light to the liquid crystal panel (10). Each of the plurality of pixels (P) includes four or more sub-pixels (R, G, B, Ye), and the light source unit (22) includes a red light source (22R), a green light source (22G), and a blue light source (22B). According to the present invention, a liquid crystal display device which can perform display of wide color reproduction range with low power consumption is provided.
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Citations
17 Claims
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1. A liquid crystal display device comprising:
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a liquid crystal panel having a plurality of pixels; a backlight having at least one light source unit that emits light to the liquid crystal panel; and a control circuit that controls the liquid crystal panel and the backlight based on an input video signal;
whereineach of the plurality of pixels has four or more sub-pixels; the four or more sub-pixels include a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a yellow sub-pixel; the light source unit includes a red light source, a green light source, and a blue light source; and a magnitude correlation between relative intensities of the red light source, the green light source, and the blue light source has a same magnitude correlation between respective relative intensities of red, green, and blue grayscale levels indicated in the input video signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification