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An apparatus and method of cooling an image projecting apparatus. The image projecting apparatus includes a main body frame, at least one heat generating unit, a heat dispersion part, at least one heat transfer member, and a single cooling fan, where the first side of the at least one heat transfer

An apparatus and method of cooling an image projecting apparatus. The image projecting apparatus includes a main body frame, at least one heat generating unit, a heat dispersion part, at least one heat transfer member, and a single cooling fan, where the first side of the at least one heat transfer member is connected to the at least one heat generating unit, and a second side of the at least one heat transfer member is connected to the heat dispersion part.

대표청구항 ▼

1. An image projecting apparatus, comprising: a main body frame having an interior portion and an exterior portion;a heat sink connected to the exterior portion of the main body frame;a display element adjacent the heat sink to form an image through a projecting lens;a driving part to drive the disp

1. An image projecting apparatus, comprising: a main body frame having an interior portion and an exterior portion;a heat sink connected to the exterior portion of the main body frame;a display element adjacent the heat sink to form an image through a projecting lens;a driving part to drive the display element;a light source part to supply light to the display element;a heat dispersion part provided in a part of the main body frame between the heat sink and the display element to collect heat generated from the display element, driving part and light source part and to transfer the collected heat to the heat sink;a first heat transfer member connecting to the display element, the light source part and the heat dispersion part, and coupled to the main body frame;a second heat transfer member having a first portion connecting to the driving part and a second portion connecting to the first heat transfer member, the second portion disposed between the heat sink and the display element; anda single cooling fan disposed adjacent the heat sink to cool the heat sink and the heat dispersion part. 2. The image projecting apparatus of claim 1, wherein a first side of each of the heat transfer members is connected to at least one heat generating unit, and a second side of each heat transfer member is connected to the heat dispersion part. 3. The image projecting apparatus of claim 1, wherein the heat dispersion part comprises a second heat sink. 4. The image projecting apparatus of claim 1, wherein the at least one heat transfer member comprises at least one heat pipe. 5. The image projecting apparatus of claim 1, wherein the at least one heat transfer member comprises a heat transfer plate. 6. The image projecting apparatus of claim 1, further comprising: a first heat transfer member having opposite sides thereof connected to the display element and the heat dispersion part, a second heat transfer member having opposite sides thereof connected to the driving part and the heat dispersion part, and a third heat transfer member having opposite sides thereof connected to the light source part and the heat dispersion part. 7. The image projecting apparatus of claim 1, wherein the light source part comprises an LED. 8. The image projecting apparatus of claim 1, wherein the single cooling fan is connected to a lateral side of the heat dispersion part. 9. The image projecting apparatus of claim 4, wherein the at least one heat transfer member comprises two heat pipes. 10. The image projecting apparatus of claim 4, further comprising a heat absorption plate between the heat generating unit and the at least one heat pipe. 11. The image projecting apparatus of claim 5, wherein the heat transfer plate comprises a plurality of air holes inside of the heat transfer plate in a lengthwise direction of the heat transfer plate. 12. The image projecting apparatus of claim 6, wherein the third heat transfer member comprises at least one heat pipe. 13. The image projecting apparatus of claim 6, wherein at least one of the first heat transfer member and the second heat transfer member comprises a heat transfer plate. 14. The image projecting apparatus of claim 12, wherein the third heat transfer member comprises two heat pipes. 15. An image projecting apparatus, comprising: a display element to form an image;a driving part to drive the display element;a light source part to supply light to the display element;a main body frame to support the display element, the driving part, and the light source part;a heat dispersion part to collect heat generated from the display part element, driving part and light source part and transfer the collected heat to a heat sink mounted to an exterior part of the image projecting apparatus;a first heat transfer member connected to the display element and the heat dispersion part;a second heat transfer member having a first portion connected to the driving part and a second portion connected to the first heat transfer member, the second portion disposed between the heat sink and the display element;a third heat transfer member connected to the light source part and to the first heat transfer member; anda single cooling fan adjacent the heat sink to cool the heat sink and the heat dispersion part. 16. The image projecting apparatus of claim 15, wherein the heat sink is connected to at least one of the first, second, and third heat transfer members, such that the cooling fan distributes air to the heat sink. 17. The image projecting apparatus of claim 15, wherein the display element and the light source part are positioned on a first side of the main body frame, parallel to one another, and the first heat transfer member is connected to the light source part. 18. The image projecting apparatus of claim 15, wherein the third heat transfer member comprises at least one heat pipe. 19. The image projecting apparatus of claim 15, wherein the second heat transfer member comprises a plurality of air holes inside of the second heat transfer member in a lengthwise direction of the second heat transfer member. 20. The image projecting apparatus of claim 17, wherein the heat sink and the cooling fan are each positioned on a second side of the main body frame that is opposite to the first side of the main body frame. 21. The image projecting apparatus of claim 18, wherein the third heat transfer member comprises two heat pipes. 22. An image projecting apparatus, comprising: a main body frame having an interior and an exterior;at least two heat generating units spaced apart from each other;a heat dispersion part to collect heat generated from a display element, driving part and light source part;a heat sink mounted to the exterior of the main body frame to which heat generated by the at least two heat generating units is transferred through the at least two heat transfer members and through the heat dispersion part;a first heat transfer member connected to the display element and the heat dispersion part; anda second heat transfer member having a first portion connected to the driving part and a second portion connected to the first heat transfer member, the second portion disposed between the heat sink and the display element,wherein a portion of the first heat transfer member is disposed between the second heat transfer member and the heat sink, andwherein the at least two heat generating units comprise the display element to form an image, a driving part to drive the display element, and a light source part to supply light to the display element. 23. The image projecting apparatus of claim 22, wherein a guide part is provided in the second heat transfer member in order to accommodate the first heat transfer member. 24. The image projecting apparatus of claim 22, wherein the heat sink and the second heat transfer member are coupled with each other.