LIQUID CRYSTAL DISPLAYING DEVICE AND METHOD
First Claim
1. A liquid crystal displaying device having a liquid crystal displaying unit and a backlight unit for emitting a light into a back surface of the liquid crystal displaying unit, the liquid crystal displaying device comprising:
- a signal processing unit configured to divide an input signal into a plurality of blocks in conformity with a predetermined number of dividing a screen of the backlight unit;
a high frequency component acquiring unit configured to acquire high frequency components for each of the plurality of blocks;
a signal component analyzing unit configured to analyze signal components of the input signal for each of the plurality of blocks;
a low frequency component acquiring unit configured to acquire low frequency components for each of the plurality of blocks;
a backlight driving signal generating unit configured to generate a backlight driving signal for the backlight unit based on signals acquired by the signal component analyzing unit and the low frequency component acquiring unit;
an inverter configured to invert the backlight driving signal acquired by the backlight driving signal generating unit; and
a synthesizing unit configured to acquire a synthesized signal displayed by the liquid crystal displaying unit based on the input signal, the high frequency components acquired by the high frequency component acquiring unit, and an inverted driving signal acquired by the inverter.
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Accused Products
Abstract
A disclosed liquid crystal displaying device having a liquid crystal displaying unit and a backlight unit includes a signal processing unit dividing an input signal into plural blocks in conformity with a predetermined number of dividing a screen of the backlight unit, a high frequency component acquiring unit acquiring high frequency components for the blocks; a signal component analyzing unit analyzing signal components of the input signal for the blocks, a low frequency component acquiring unit acquiring low frequency components for the blocks, a backlight driving signal generating unit generating a backlight driving signal based on signals acquired by the signal component analyzing unit and the low frequency component acquiring unit, an inverter inverting the backlight driving signal, and a synthesizing unit acquiring a synthesized signal displayed by the liquid crystal displaying unit based on the input signal, the high frequency components, and the inverted driving signal.
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Citations
12 Claims
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1. A liquid crystal displaying device having a liquid crystal displaying unit and a backlight unit for emitting a light into a back surface of the liquid crystal displaying unit, the liquid crystal displaying device comprising:
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a signal processing unit configured to divide an input signal into a plurality of blocks in conformity with a predetermined number of dividing a screen of the backlight unit; a high frequency component acquiring unit configured to acquire high frequency components for each of the plurality of blocks; a signal component analyzing unit configured to analyze signal components of the input signal for each of the plurality of blocks; a low frequency component acquiring unit configured to acquire low frequency components for each of the plurality of blocks; a backlight driving signal generating unit configured to generate a backlight driving signal for the backlight unit based on signals acquired by the signal component analyzing unit and the low frequency component acquiring unit; an inverter configured to invert the backlight driving signal acquired by the backlight driving signal generating unit; and a synthesizing unit configured to acquire a synthesized signal displayed by the liquid crystal displaying unit based on the input signal, the high frequency components acquired by the high frequency component acquiring unit, and an inverted driving signal acquired by the inverter. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A liquid crystal displaying method used in a liquid crystal displaying device having a liquid crystal displaying unit and a backlight unit for emitting a light into a back surface of the liquid crystal displaying unit, the liquid crystal displaying method comprising:
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dividing an input signal into a plurality of blocks in conformity with a predetermined number of dividing a screen of the backlight unit; acquiring high frequency components for each of the plurality of blocks; analyzing signal components of the input signal for each of the plurality of blocks; acquiring low frequency components for each of the plurality of blocks; generating a backlight driving signal for the backlight unit based on signals acquired by the analyzing the signal components and the acquiring the low frequency components; inverting the backlight driving signal acquired by the generating the backlight driving signal; and acquiring a synthesized signal displayed by the liquid crystal displaying unit based on the input signal, the high frequency components acquired by the acquiring the high frequency components, and an inverted driving signal acquired by the inverting the backlight driving signal. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification