Backlight assembly, method for driving backlight assembly, and liquid crystal display having the same
First Claim
Patent Images
1. A backlight assembly that supplies light to a liquid crystal display panel, comprising:
- a light emitting diode assembly comprising at least one light emitting diode block region having a plurality of light emitting diodes; and
a backlight unit driving unit comprising a color control unit to determine a representative color of the light emitting diode block region using an image signal supplied to the liquid crystal display panel, anda dimming control unit to control color of the light emitting diode block region based on the representative color determined by the color control unit.
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Abstract
There is provided a backlight assembly that supplies light to an LCD panel. The backlight assembly includes an LED assembly and a backlight unit. The LED assembly includes at least one LED block region having a plurality of LEDs. The backlight unit driving unit includes a color control unit that determines a representative color of the LED block region using an image signal supplied to the LCD panel, and a dimming control unit that controls the color of the LED block region based on the representative color determined by the color control unit.
86 Citations
19 Claims
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1. A backlight assembly that supplies light to a liquid crystal display panel, comprising:
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a light emitting diode assembly comprising at least one light emitting diode block region having a plurality of light emitting diodes; and a backlight unit driving unit comprising a color control unit to determine a representative color of the light emitting diode block region using an image signal supplied to the liquid crystal display panel, and a dimming control unit to control color of the light emitting diode block region based on the representative color determined by the color control unit. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A liquid crystal display comprising:
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a liquid crystal display panel to display images; a liquid crystal display panel driving unit to drive the liquid crystal display panel; a light emitting diode assembly that supplies light to the liquid crystal display panel and comprises at least one light emitting diode block regions having a plurality of light emitting diodes; and a backlight unit driving unit comprising a color control unit to determine a representative color of the light emitting diode block regions using an image signal supplied to the liquid crystal display panel, and a dimming control unit to control colors of the light emitting diode block regions based on the representative color determined by the color control unit. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method for driving backlight assembly, comprising:
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classifying color classes of pixels of a liquid crystal display panel block regions; determining a representative color from the color classes; and adjusting color of light emitting diode block regions corresponding to the block regions of the liquid crystal display panel to the representative color. - View Dependent Claims (16, 17, 18, 19)
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Specification