Backlight unit and liquid crystal display device including the same
First Claim
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1. A backlight for a liquid crystal display device, comprising:
- a first plurality of light emitting diodes having a first luminance; and
a second plurality of light emitting diodes having a second luminance,wherein at least the first and second plurality of light emitting diodes are interspersed with each other to provide an average luminance at or substantially near a predetermined target value of luminance that is consistent across the liquid crystal display device.
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Abstract
A backlight for a liquid crystal display device includes a first plurality of light emitting diodes having a first luminance and a second plurality of light emitting diodes having a second luminance, wherein at least the first and second plurality of light emitting diodes are interspersed with each other to provide an average luminance at or substantially near a predetermined target value of luminance that is consistent across the liquid crystal display device.
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Citations
20 Claims
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1. A backlight for a liquid crystal display device, comprising:
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a first plurality of light emitting diodes having a first luminance; and a second plurality of light emitting diodes having a second luminance, wherein at least the first and second plurality of light emitting diodes are interspersed with each other to provide an average luminance at or substantially near a predetermined target value of luminance that is consistent across the liquid crystal display device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A backlight for a liquid crystal display device, comprising:
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a first plurality of light emitting diodes having a first color rank in chromaticity coordinates; and a second plurality of light emitting diodes having a second color rank in chromaticity coordinates, wherein at least the first and second plurality of light emitting diodes are combined with each other to provide an average color rank in chromaticity coordinates at or substantially near a predetermined target value of color rank in chromaticity coordinates. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A backlight for a liquid crystal display device, comprising:
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a first plurality of light emitting diodes having a first luminance and a first color rank in chromaticity coordinates; a second plurality of light emitting diodes having a second luminance and a second color rank in chromaticity coordinates; a third plurality of light emitting diodes having a third luminance and a third color rank in chromaticity coordinates; and a fourth plurality of light emitting diodes having a fourth luminance and a fourth color rank in chromaticity coordinates, wherein at least the first and second plurality of light emitting diodes are interspersed with each other to provide an average luminance at or substantially near a predetermined target value of luminance, and wherein at least the third and fourth plurality of light emitting diodes are combined with each other to provide an average color rank in chromaticity coordinates at or substantially near a predetermined target value of color rank in chromaticity coordinates. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification