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US 10,520,800 B2Granted
Phosphor wheel, phosphor wheel device including the same, light conversion device, and projection display apparatus
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorKenji Ikeo
Life of this patent
Estimating the term…
Abstract
A phosphor wheel includes a first face that has a phosphor layer, a second face located on an opposite side to the first face, a first blade provided to project from one of the first face and the second face, and a passage that sends air to the second face from the first face. The first blade is provided to send air on a side of the first face to a side of the second face through the passage during rotation of the phosphor wheel.
Claims14
A phosphor wheel comprising:
- a first face that has a phosphor layer;
- a second face located on an opposite side to the first face;
- a first blade provided to project from one of the first face and the second face;
- and
- a passage that sends air to the second face from the first face,
- wherein
- the first blade is provided to send air on a side of the first face to a side of the second face through the passage during rotation of the phosphor wheel,
- the passage is a first opening provided to pass through the phosphor wheel between the first face and the second face,
- the phosphor wheel further comprises:
- a second opening provided to pass through the phosphor wheel between the first face and the second face;
- and
- a second blade provided to project from one of the first face and the second face, and
- the second blade is provided to send air on the side of the second face to the side of the first face through the second opening during rotation of the phosphor wheel.
10 more elements
A phosphor wheel comprising:
- a first face that has a phosphor layer;
- a second face located on an opposite side to the first face;
- a first blade provided to project from one of the first face and the second face;
- and
- a passage that sends air to the second face from the first face,
- wherein
- the first blade is provided to send air on a side of the first face to a side of the second face through the passage during rotation of the phosphor wheel,
- the passage is a first opening provided to pass through the phosphor wheel between the first face and the second face,
- the phosphor wheel further comprises a second opening provided to pass through the phosphor wheel between the first face and the second face, and
- the first blade is provided to draw air on the side of the second face into the side of the first face through the second opening, and send the drawn air to the side of the second face through the first opening during rotation of the phosphor wheel.
7 more elements
A phosphor wheel comprising:
- a first face that has a phosphor layer;
- a second face located on an opposite side to the first face;
- a first blade provided to project from one of the first face and the second face;
- and
- a passage that sends air to the second face from the first face,
- wherein
- the first blade is provided to send air on a side of the first face to a side of the second face through the passage during rotation of the phosphor wheel,
- the passage is an outer circumferential portion of the first face inclined to toward the second face,
- the first blade is provided to project from the first face,
- the phosphor wheel further comprises:
- a second opening provided to pass through the phosphor wheel between the first face and the second face;
- and
- a second blade provided to project to one of the first face and the second face, and
- the second blade is provided to send air on the side of the second face to the side of the first face through the second opening during rotation of the phosphor wheel.
11 more elements
Dependencies are inferred from the claim text.