Display device
First Claim
1. A display device employing a field-sequential method, comprising:
- a light source having a plurality of colors of emitted light;
a light emission switching unit for sequentially switching the plurality of colors of emitted light of said light source within one frame;
a light switching element for controlling an intensity of light from said light source for display;
a control unit for controlling synchronization of a light-emission timing of each color of emitted light of said light source and a switching of said light switching element; and
a frame number changing unit for changing a frame number per unit time.
1 Assignment
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Accused Products
Abstract
In a display device employing a field-sequential method, a judgement whether display data is motion picture data or still picture data is made, and the frame number per second is increased for the display of a motion picture during which color break easily occurs by the movement of the line of sight of a user, while the frame number is made smaller than that for the display of a motion picture, for the display of a still picture during which color break hardly occurs. Further, the temperature of a liquid crystal panel is detected, and the frame number per second is increased so as to reduce color break when the result of the detection is not lower than a predetermined temperature, while, the frame number is decreased so as to enable display at low temperature when the result of the detection is lower than the predetermined temperature.
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Citations
20 Claims
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1. A display device employing a field-sequential method, comprising:
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a light source having a plurality of colors of emitted light;
a light emission switching unit for sequentially switching the plurality of colors of emitted light of said light source within one frame;
a light switching element for controlling an intensity of light from said light source for display;
a control unit for controlling synchronization of a light-emission timing of each color of emitted light of said light source and a switching of said light switching element; and
a frame number changing unit for changing a frame number per unit time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A display device employing a field-sequential method for displaying a color image by sequentially switching a plurality of colors of emitted light of a light source within one frame and by synchronizing a light-emission timing of each color of emitted light with a switching of a light switching element for controlling an intensity of light for display, comprising:
a changing unit for changing a frame number per unit time.
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19. A field-sequential display method for displaying a color image by sequentially switching a plurality of colors of emitted light of a light source within one frame and by synchronizing a light-emission timing of each color of emitted light with a switching of a light switching element for controlling an intensity of light from said light source for display, comprising:
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judging whether image data is motion picture data or still picture data; and
changing a frame number per unit time based on a result of the judgement.
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20. A field-sequential display method for displaying a color image by sequentially switching a plurality of colors of emitted light of a light source within one frame and by synchronizing a light-emission timing of each color of emitted light with a switching of a light switching element for controlling an intensity of light from said light source for display, comprising:
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detecting a temperature of said light switching element; and
changing a frame number per unit time based on a result of the detection.
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Specification