DIRECT-TYPE BACKLIGHT UNIT FOR FLAT PANEL LIQUID CRYSTAL DISPLAYS
First Claim
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1. A direct-type backlight unit for a flat panel liquid crystal display, comprising:
- at least one lamp installed in a housing;
a diffusion plate installed above the lamp;
a reflection plate having a reflection surface and a back surface installed under the lamp for reflecting light generated by the lamp from the reflection surface to the diffusion plate, and the reflection plate having at least one aperture thereon; and
a heat dissipating plate combined with the back surface of the reflection plate.
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Abstract
A direct-type backlight unit for a flat panel liquid crystal display includesat least one lamp installed in a housing, a diffusion plate installed above the lamp, a reflection plate having a reflection surface and a back surface installed under the lamp for reflecting light generated by the lamp from the reflection surface to the diffusion plate, and the reflection plate having at least one aperture thereon, and a heat dissipating plate combined with the back surface of the reflection plate.
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Citations
19 Claims
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1. A direct-type backlight unit for a flat panel liquid crystal display, comprising:
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at least one lamp installed in a housing;
a diffusion plate installed above the lamp;
a reflection plate having a reflection surface and a back surface installed under the lamp for reflecting light generated by the lamp from the reflection surface to the diffusion plate, and the reflection plate having at least one aperture thereon; and
a heat dissipating plate combined with the back surface of the reflection plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A direct-type backlight unit for a flat panel liquid crystal display, comprising:
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a diffusion plate;
a reflection plate having a bottom surface and inclined side surface, a first convection opening being formed at the bottom surface, and the reflection plate and the diffusion plate defining a first chamber;
at least one lamp installed within the first chamber directly above the first convection opening; and
at least one heat dissipating plate, the heat dissipating plate and the reflection plate defining a second chamber communicating the first convection opening, such that heat generated by the lamp can be transferred to the heat dissipating plate by means of convection occurred in the first chamber and second chamber thereby elongating lifetime of the lamp. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification