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US 7,002,798 B2Granted
Cooling structure of projection television
AssigneeSeiko Epson Corporation
InventorsShigeyuki Seki, Shigeki Kato
Life of this patent
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Abstract
A projection television has an upper cabinet and a lower cabinet. The upper cabinet includes a mirror case. A cooling structure includes a first internal duct formed by the joint surface between the mirror case and the lower cabinet, and openings functioning as an inlet and an outlet of the first internal duct are formed in the mirror case, so as to constitute a first cooling flow path for cooling liquid crystal panels of an optical unit provided in the lower cabinet.
Claims10
A cooling structure of a projection television, comprising:
- an upper cabinet including a mirror case;
- a lower cabinet;
- and
- a first internal duct formed by a joint surface between the mirror case and the lower cabinet and an inlet and an outlet of the first internal duct formed in the mirror case, so as to constitute a first cooling flow path for cooling liquid crystal panels of an optical unit provided in the lower cabinet and a second cooling flow path which has an inlet and an outlet formed in both side portions of the lower cabinet, for cooling a light source of the optical unit provided in the lower cabinet.
1 more element
A cooling structure of a projection television, comprising:
- an upper cabinet including a mirror case that includes opposing side walls;
- a lower cabinet;
- and
- a first internal duct horizontally formed by a joint surface between the mirror case and the lower cabinet, an inlet and an outlet of the first internal duct formed in the mirror case, so as to constitute a first cooling flow path for cooling liquid crystal panels of an optical unit provided in the lower cabinet.
1 more element
Dependencies are inferred from the claim text.