Plasma display device with reduced noise exiting through heat radiation ventilation openings
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01J-017/49
출원번호
US-0402373
(2003-03-27)
우선권정보
KR-0016813 (2002-03-27)
발명자
/ 주소
Kim, Ki-Jung
Kwon, Hye-Kyong
Hong, Dae-Young
Kang, Tae-Kyoung
출원인 / 주소
Samsung SDI Co., Ltd.
대리인 / 주소
Christie, Parker and Hale, LLP
인용정보
피인용 횟수 :
16인용 특허 :
5
초록▼
Noise exiting from a plasma display device is effectively reduced and a degree of freedom of design is increased according to a plasma display device that includes a base chassis, a PDP adhered to the base chassis, a PDP driving circuit board adhered to the base chassis opposite to the PDP, a front
Noise exiting from a plasma display device is effectively reduced and a degree of freedom of design is increased according to a plasma display device that includes a base chassis, a PDP adhered to the base chassis, a PDP driving circuit board adhered to the base chassis opposite to the PDP, a front cover disposed in front of the PDP, a rear cover having a plurality of ventilation holes for heat radiation, the rear cover being disposed at the rear of the base chassis and covering the base chassis, and a noise-shielding member for covering the plurality of ventilation holes from front or rear thereof, such that noise generated inside of the device is reflected or diffracted.
대표청구항▼
1. A plasma display device comprising:a base chassis; a PDP adhered to the base chassis; a PDP driving circuit board adhered to the base chassis opposite to the PDP; a front cover disposed in front of the PDP; a rear cover having a plurality of ventilation holes for heat radiation, the rear cover be
1. A plasma display device comprising:a base chassis; a PDP adhered to the base chassis; a PDP driving circuit board adhered to the base chassis opposite to the PDP; a front cover disposed in front of the PDP; a rear cover having a plurality of ventilation holes for heat radiation, the rear cover being disposed at the rear of the base chassis and covering the base chassis; and a noise-shielding member covering the plurality of ventilation holes from either or both of the front and rear thereof. 2. The plasma display device of claim 1, wherein the noise-shielding member comprises:at least one fixing plates connected to the rear cover, the at least one fixing plate having a plurality of passages communicating with respective ventilation holes; and a plurality of noise-shielding attachments connected to the fixing plate over the respective passages and forming heated air guidepaths from within the plasma display device to a respective ventilation hole. 3. The plasma display device of claim 2, wherein the noise-shielding attachment forms openings to the ventilation hole in at least one of a first direction, a second direction, and a third direction.4. The plasma display device of claim 3, wherein the noise-shielding attachment includes openings to the ventilation hole in the first direction and the second direction.5. The plasma display device of claim 4, wherein the ventilation hole is of a circular shape.6. The plasma display device of claim 4, wherein the ventilation hole is in a form of a slit.7. The plasma display device of claim 3, wherein the fixing plate is connected to the rear cover from inside of the rear cover, and the noise-shielding attachment is connected with the fixing plate over the ventilation hole and forms a heated air guidepath from an opening of the first direction to the ventilation hole.8. The plasma display device of claim 3, wherein the fixing plate is connected to the rear cover from outside of the rear cover, and the noise-shielding attachment is connected with fixing plate over the ventilation hole and forms a heated air guidepath from the ventilation hole to an opening of the second direction.9. The plasma display device of claim 3, wherein:the fixing plates are connected to the rear cover from both of inside and outside of the rear cover; the noise-shielding attachment of the fixing plate inside of the rear cover is connected to the fixing plate over the ventilation hole and forms a heated air guidepath from an opening of the first direction to the ventilation hole; and the noise-shielding attachment of the fixing plate outside of the rear cover is connected to the fixing plate over the ventilation hole and forms a heated air guidepath from the ventilation hole to an opening of the second direction. 10. The plasma display device of claim 3, wherein the ventilation hole is of a circular shape.11. The plasma display device of claim 3, wherein the ventilation hole is in a form of a slit.12. The plasma display device of claim 1, wherein the noise-shielding member comprises a plurality of noise-shielding attachments formed integrally with the rear cover.13. The plasma display device of claim 12, wherein the noise-shielding attachment forms openings to the ventilation hole in at least one of a first direction, a second direction, and a third direction.14. The plasma display device of claim 13, wherein the noise-shielding attachment forms openings to the ventilation hole in both the first direction and the second direction.15. The plasma display device of claim 13, wherein the noise-shielding attachments are connected to the rear cover from inside of the rear cover over respective ventilation holes and form a respective heated air guidepath from a respective opening of the first direction to the respective ventilation hole.16. The plasma display device of claim 13, wherein the noise-shielding attachments are connected to the rear cover from outside of the rear cover over respective ventilation holes and form a respective heated air guidepath from the respective ventilation hole to a respective opening of the second direction.17. The plasma display device of claim 13, wherein:the noise-shielding attachments are connected to the rear cover from both of inside and outside of the rear cover; the noise-shielding attachments are connected to the rear cover from inside of the rear cover over respective ventilation holes and form a heated air guidepath from a respective opening of the first direction to the respective ventilation hole; and the noise-shielding attachments are connected to the rear cover from outside of the rear cover over respective ventilation holes and form a heated air guidepath from the respective ventilation hole to an opening of the second direction. 18. The plasma display device of claim 13, wherein the ventilation hole is of a circular shape.19. The plasma display device of claim 13, wherein the ventilation hole is in a form of a slit.
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이 특허에 인용된 특허 (5)
Irie, Shoichi; Kojima, Kazunobu, Display device with plasma display panel.
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