Backlight unit and driving method thereof, and liquid crystal display device having the backlight unit
First Claim
Patent Images
1. A backlight unit comprising:
- a lamp;
an inverter that is operative to supply a driving voltage to the lamp; and
an illuminance correction system that is operative to sense a surrounding luminance of the lamp and to illuminate a predetermined amount of light.
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Accused Products
Abstract
A liquid crystal display device, backlight unit, and method of driving a backlight unit are provided. The backlight includes a lamp and an inverter that is operative to supply a driving voltage to the lamp. An illuminance correction system is operative to sense a surrounding luminance of the lamp and to illuminate a predetermined amount of light.
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Citations
25 Claims
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1. A backlight unit comprising:
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a lamp; an inverter that is operative to supply a driving voltage to the lamp; and an illuminance correction system that is operative to sense a surrounding luminance of the lamp and to illuminate a predetermined amount of light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A liquid crystal display device comprising:
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an illuminance correction system that is operative to sense a surrounding illuminance of a lamp and emit a predetermined amount of light from the lamp; and a liquid crystal display panel displaying an image using the light emitted from the lamp. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of driving a backlight unit, the method comprising:
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sensing a surrounding illuminance of a lamp; comparing the surrounding illuminance with a preset reference illuminance; generating an On/Off control signal of a light emitting device according to a result of the comparing; and driving or stopping the light emitting device according to the ON/OFF control signal. - View Dependent Claims (22, 23, 24, 25)
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Specification