Liquid-crystal display device with a gasket for controlling thermal gradient within the device
First Claim
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1. A liquid-crystal display device comprising:
- a liquid-crystal display panel;
a light source provided in proximity to said liquid-crystal display panel for illuminating said liquid-crystal display panel;
a transformer of said light source provided in proximity to said liquid-crystal display panel; and
an enclosure for housing said liquid-crystal display panel, said light source and said transformer;
wherein a gasket having a size approximately the same as the transformer is provided between said liquid-crystal display panel and said enclosure for controlling a thermal gradient of said liquid-crystal display panel.
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Abstract
In a liquid-crystal display device comprising a liquid-crystal display panel, a light source provided in proximity to the liquid-crystal display panel for illuminating the liquid-crystal display panel, a transformer of the light source provided in proximity to the liquid-crystal display panel, and an enclosure for housing the liquid-crystal display panel, the light source and the transformer, a gasket is provided between the liquid-crystal display panel and the enclosure for controlling a thermal gradient of the liquid-crystal display panel.
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Citations
14 Claims
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1. A liquid-crystal display device comprising:
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a liquid-crystal display panel;
a light source provided in proximity to said liquid-crystal display panel for illuminating said liquid-crystal display panel;
a transformer of said light source provided in proximity to said liquid-crystal display panel; and
an enclosure for housing said liquid-crystal display panel, said light source and said transformer;
wherein a gasket having a size approximately the same as the transformer is provided between said liquid-crystal display panel and said enclosure for controlling a thermal gradient of said liquid-crystal display panel. - View Dependent Claims (2, 3, 4)
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5. A liquid-crystal display device comprising:
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a liquid-crystal display panel;
a light source provided in proximity to said liquid-crystal display panel for illuminating said liquid-crystal display panel;
a transformer of said light source provided in proximity to said liquid-crystal display panel; and
an enclosure for housing said liquid-crystal display panel, said light source and said transformer;
wherein a gasket is provided between said liquid-crystal display panel and said enclosure for controlling a thermal gradient of said liquid-crystal display panel, wherein a thermal capacity of said gasket satisfies the following relationship;
where C4 is the thermal capacity of said enclosure, Q2 is a heat flow between an air layer in said enclosure and said liquid-crystal display panel, Q4 is a heat flow between said gasket and said enclosure, Q′
4 is a heat flow between said gasket and an air layer in said enclosure, and T4 is a temperature of said gasket.- View Dependent Claims (6, 7, 8, 9)
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10. A liquid-crystal display device comprising:
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a liquid-crystal display panel;
a light source provided in proximity to said liquid-crystal display panel for illuminating said liquid-crystal display panel;
a transformer of said light source provided in proximity to said liquid-crystal display panel; and
an enclosure for housing said liquid-crystal display panel, said light source and said transformer;
wherein a gasket, made of a foam material with resilience and covered with an electrically conductive material, is provided between said liquid-crystal display panel and said enclosure for controlling a thermal gradient of said liquid-crystal display panel. - View Dependent Claims (11, 12, 13, 14)
where C4 is the thermal capacity of said enclosure, Q2 is a heat flow between an air layer in said enclosure and said liquid-crystal display panel, Q4 is a heat flow between said gasket and said enclosure, Q′
4 is a heat flow between said gasket and an air layer in said enclosure, and T4 is a temperature of said gasket.
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13. A liquid-crystal display device according to claim 10, wherein said gasket is adhered to a rear surface of the liquid display panel.
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14. A liquid-crystal display device according to claim 10, wherein said gasket has a size approximately the same as the transformer.
Specification