Cooling unit and display apparatus having the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/20
G06F-001/20
출원번호
UP-0132785
(2008-06-04)
등록번호
US-7830660
(2010-11-25)
우선권정보
KR-10-2007-0097396(2007-09-27)
발명자
/ 주소
Kang, Joon
Cho, Jin-hyun
출원인 / 주소
Samsung Electronics Co., Ltd.
대리인 / 주소
Stanzione & Kim, LLP
인용정보
피인용 횟수 :
3인용 특허 :
15
초록▼
A cooling unit to cool the display apparatus including a heat generating unit to generate heat and a casing to accommodate the heat generating unit, the cooling unit includes a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to connect the cooling f
A cooling unit to cool the display apparatus including a heat generating unit to generate heat and a casing to accommodate the heat generating unit, the cooling unit includes a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to connect the cooling fan and the heat generating unit; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; and an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to a rear surface of the casing, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill. With this configuration, the cooling path is effectively provided to enhance cooling efficiency and thermal reliability.
대표청구항▼
What is claimed is: 1. A cooling unit to cool a display apparatus comprising a heat generating unit to generate heat and a casing having an inner space to accommodate the heat generating unit, the cooling unit comprising: a cooling fan to generate air flow; a duct which is coupled with the casing a
What is claimed is: 1. A cooling unit to cool a display apparatus comprising a heat generating unit to generate heat and a casing having an inner space to accommodate the heat generating unit, the cooling unit comprising: a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to cool the heat generating unit such that the air flow generated by the cooling fan does not enter the inner space; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to the rear surface of the casing; and a heat transfer unit which is coupled with the heat generating unit and the duct and transfers the heat from the heat generating unit to the duct, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill. 2. The cooling unit according to claim 1, wherein an inclination angle between the inlet grill and the rear surface of the casing is within a range of 40° to 50° to inhale air from an outside to an inside of the casing in an upward inclined direction, and an inclination angle between the outlet grill and the rear surface of the casing is within a range of 40° to 50° to exhale air from the inside to the outside of the casing in an upward inclined direction. 3. The cooling unit according to claim 1, wherein the heat transfer unit comprises: a contact member which is coupled with the heat generating unit to transfer the heat from the heat generating unit; and a heat radiating member which is coupled with the contact member and is disposed in the duct to radiate the heat from the contact member. 4. The cooling unit according to claim 1, wherein the cooling path of the duct is arranged vertically to the casing, the inlet portion being disposed in a lower portion of the duct, and the outlet portion being disposed in an upper portion of the duct. 5. The cooling unit according to claim 1, wherein the cooling path of the duct is arranged horizontally to the casing, the inlet portion being disposed in one of left and right sides of the duct, and the outlet portion being disposed in an other of the left and the right sides of the duct. 6. A display apparatus, comprising: a heat generating unit to generate heat; a display panel to form an image; a casing having an inner space to accommodate the heat generating unit and the display panel; and a cooling unit to cool the heat generating unit, the cooling unit comprising: a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to cool the heat generating unit such that the cooling path is separated from the inner space; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to the rear surface of the casing; and a heat transfer unit which is coupled with the heat generating unit and the duct and transfers the heat from the heat generating unit to the duct, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill. 7. The display apparatus according to claim 6, wherein the heat transfer unit comprises: a contact member which is coupled with the heat generating unit to transfer the heat from the heat generating unit; and a heat radiating member which is coupled with the contact member and is disposed in the duct to radiate the heat from the contact member. 8. The display apparatus according to claim 6, wherein the cooling path of the duct is arranged vertically to the casing, the inlet portion being disposed in a lower portion of the duct, and the outlet portion being disposed in an upper portion of the duct. 9. The display apparatus according to claim 6, wherein the cooling path of the duct is arranged horizontally to the casing, the inlet portion being disposed in one of left and right sides of the duct, and the outlet portion being disposed in an other of the left and the right sides of the duct. 10. The display apparatus according to claim 6, wherein the cooing unit is provided in a plurality. 11. The display apparatus according to claim 6, wherein the display apparatus comprises: a digital information display (DID) having a network function. 12. The display apparatus according to claim 11, wherein the heat generating unit comprises at least one of a CPU and a chip. 13. The display apparatus according to claim 6, wherein the heat generating unit is plurally provided in the inner space of the casing, each having a different heating generating value, the heat generating unit having a higher heating generating value among the heat generating units is disposed in a lower portion of the display panel, and the heat generating unit having a lower heating generating value among the heat generating units is disposed in an upper portion of the display panel. 14. A cooling unit usable with a display apparatus including a heat generating unit to generate heat and a casing having an inner space to accommodate the heat generating unit, the cooling unit comprising: a duct to form a cooling path between an inlet grill and an outlet grill of the casing of the display apparatus; a heat transfer unit disposed in the duct to transfer heat from the inner space of the casing to the cooling path; and a cooling fan disposed in the duct to generate airflow along the cooling path, wherein the outlet grill guides air in a first direction and the inlet grill guides air in a second direction not parallel to the first direction, the airflow generated by the cooling fan does not enter the inner space, and the net grill is provided in the casing to guide aft to be inhaled in a direction inclined to a rear surface of the casing. 15. The cooling unit according to claim 14, wherein the duct comprises an opening; and the heat transfer unit receives the heat from the heat generating unit of the display apparatus through the opening. 16. The cooling unit according to claim 14, wherein the inlet grill and the outlet grill guide air in a direction not parallel with a rear surface of the casing. 17. A display apparatus, comprising: a display panel unit; a heat generating unit disposed on the display panel unit, and including at least one of a central processing unit (CPU), a Northbridge, a Southbridge and a printed circuit board (PCB); a casing having an inner space to accommodate the display panel unit and the heat generating unit; and a cooling unit including: a duct to form a cooling path between an inlet grill and an outlet grill of a casing of the display apparatus; a heat transfer unit disposed in the duct to transfer heat in the cooling path; and a cooling fan disposed in the duct to generate airflow along the cooling path, wherein the outlet grill guides air in a first direction and the inlet grill guides air in a second direction not parallel to the first direction, and wherein the cooling path is separated from the inner space. 18. A cooling unit of a display apparatus including a heat generating unit to generate heat and a casing having an inner space to accommodate the heat generating unit, the cooling unit comprising: a duct to define a cooling path between an inlet grill and an outlet grill of the display apparatus; the heat generating unit disposed within the inner space of the display apparatus and connected to the duct such that heat generated by the heat generating unit flows into the cooling path; and a cooling fan disposed in the duct to generate airflow along the cooling path, wherein the cooling path is separated from the inner space of the display apparatus, and the inlet grill is provided in the casing to guide air to be inhaled in a direction inclined to a rear surface of the casing.
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