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US 7,452,109 B2Granted
Edge light type backlight unit having heat sink system
AssigneeSamsung Electronics Co., Ltd.
InventorsJi-whan Noh, Jong-min Wang
Life of this patent
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Abstract
An edge light type backlight unit having a heat sink system which can efficiently emit heat generated by a light emitting element. The edge light type backlight unit includes a light guide panel which guides light; light emitting elements which are arranged on the insides of opposite first and second surfaces of the light guide panel; and heat sinks which are provided on the outsides of the first and second surfaces and emit heat generated by the light emitting elements.
Claims13
An edge light type backlight unit comprising:
- a light guide panel which guides light;
- light emitting elements which are arranged on the insides of opposite first and second surfaces of the light guide panel;
- and
- a heat sink which is provided on the outsides of the first and second surfaces and emits heat generated by the light emitting elements;
- wherein the heat sink comprises
- a first conductor having a first cover surface for covering the first surface and a second cover surface which is bent with respect to the first cover surface and extends along a third surface of the light guide panel;
- and
- a second conductor having a third cover surface for covering the second surface and a fourth cover surface which is bent with respect to the second cover surface and extends along the third surface of the light guide panel;
- and
- a plurality of heat sink pins arranged on the second and fourth cover surfaces.
7 more elements
A backlight unit comprising:
- a light guide panel;
- light emitting elements attached to the light guide panel, and facing a center of the light guide panel;
- and
- a heat sink connected to the light emitting elements and emitting heat generated by the light emitting elements;
- wherein the heat sink comprises:
- a first conductor attached to the light emitting elements, wherein the first conductor comprises a first cover surface which covers a first surface on which the light emitting elements are disposed and a second cover surface, which is bent with respect to the first cover surface;
- and
- heat sink pins disposed on the second cover surface;
- wherein the light emitting elements comprise a first set of light emitting elements disposed on a first surface of the light guide panel and a second set of light emitting elements disposed on a second surface of the light guide panel, and wherein the second surface is opposite the first surface.
6 more elements
Dependencies are inferred from the claim text.