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US 9,812,087 B2Granted
Display device
AssigneeSharp Kabushiki Kaisha
InventorsKozo Nakamura, Shun Ueki, Tokio Taguchi, Akiko Itou
Life of this patent
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Abstract
A display device in which an image with a wide color reproduction range and bright red can be displayed is provided. The display device is a display device such as, for example, a liquid crystal display device, a cathode ray tube, an organic electroluminescent display device, a plasma display panel, and a field emission display. The display device includes a display surface including a pixel having red, green, blue, and yellow sub-pixels, wherein the red sub-pixel preferably has the largest aperture area.
Claims18
A display device comprising:
- a display surface including a plurality of pixels each including at least four color sub-pixels;
- wherein
- the at least four color sub-pixels includes a red sub-pixel, a green sub-pixel, and a magenta sub-pixel;
- a red of the red sub-pixel is a color having a dominant wavelength of 595 nm or more and 650 nm or less;
- a color purity of the red of the red sub-pixel is 75% or more and 97% or less,
- a green of the green sub-pixel is a color having a dominant wavelength of 490 nm or more and 555 nm or less;
- a color purity of the green of the green sub-pixel is 50% or more and 80% or less;
- a magenta of the magenta sub-pixel is a color having a dominant wavelength of 495 nm or more and 560 nm or less;
- and
- a color purity of the magenta of the magenta sub-pixel is 60% or more and 80% or less.
7 more elements
A display device comprising:
- a display surface including a plurality of pixels each including at least four color sub-pixels;
- wherein
- the at least four color sub-pixels includes a red sub-pixel and a magenta sub-pixel;
- a red of the red sub-pixel is a color having a dominant wavelength of 595 nm or more and 650 nm or less;
- a color purity of the red of the red sub-pixel is 75% or more and 97% or less;
- a magenta of the magenta sub-pixel is a color having a dominant wavelength of 495 nm or more and 560 nm or less;
- and
- a color purity of the magenta of the magenta sub-pixel is 60% or more and 80% or less.
5 more elements
Dependencies are inferred from the claim text.