Projector

Patent metadata

Field	Value
Publication number	US-9612510-B2
Application number	US-201514813033-A
Country	US
Kind code	B2
Filing date	Jul 29, 2015
Priority date	Oct 21, 2014
Publication date	Apr 4, 2017
Grant date	Apr 4, 2017

Abstract

A projector includes an optical unit having a light modulator and a projection lens, a control section, an exterior enclosure that accommodates the optical unit and the control section, a partitioning section that partitions the interior of the exterior enclosure into a first region where the optical unit is disposed and a second region where the control section is disposed, an intake fan and another intake fan that takes air outside the exterior enclosure into the interior thereof and causes the taken-in air to flow through the first region and the second region, respectively, an aggregation substrate disposed in the first region and having a wiring line that originates from at least a light modulator that are controlled by the control section and is electrically connected to the control section, and a wiring section that electrically connects the control section and the aggregation substrate to each other.

First claim

What is claimed is:

1. A projector comprising:
an optical unit including a light modulator that modulates light emitted from a light source and a projection lens that projects light modulated by the light modulator;
a control section that controls action of the projector;
an exterior enclosure that accommodates the optical unit and the control section;
a partitioning section that partitions the interior of the exterior enclosure into a first region where the optical unit is disposed and a second region where the control section is disposed;
a fan that takes air outside the exterior enclosure into the interior thereof and causes the taken-in air to flow through the first region and the second region;
an aggregation substrate disposed in the first region and having a wiring line that originates from at least the light modulator among components that are controlled by the control section and disposed in the first region and is electrically connected to the control section; and
a wiring section that electrically connects the control section and the aggregation substrate to each other.

2. The projector according to claim 1 ,
wherein the fan includes
a first fan that is disposed in the first region and causes air to flow through the first region, and
a second fan that is disposed in the second region and causes air to flow through the second region, and
the aggregation substrate has a wiring line originating from the first fan and electrically connected to the control section.

3. The projector according to claim 1 ,
further comprising a power supply apparatus that supplies the control section and the light source with electric power,
wherein the power supply apparatus includes
a filter section that removes noise in externally supplied AC current,
a power supply section that converts AC electric power outputted from the filter section into DC electric power, and
a light source drive section that transforms the DC electric power outputted from the power supply section to drive the light source, and
at least the power supply section in the power supply apparatus is disposed in the second region.

4. The projector according to claim 3 ,
wherein the power supply section is disposed in a position downstream of the control section in a direction in which the air flows through the second region.

5. The projector according to claim 1 ,
wherein the control section has a control substrate on which a control circuit device is implemented, and
the wiring section has a wiring line that electrically connects the control substrate to the aggregation substrate and is part of a circuit substrate formed of the control substrate and the aggregation substrate integrated with each other.

6. The projector according to claim 1 ,
wherein the partitioning section partitions the interior of the exterior enclosure in such a way that the first region and the second region are arranged side by side in a direction that intersects a vertical direction in an installation attitude of the projector.

7. The projector according to claim 1 ,
wherein the control section includes an interface substrate on which a connection terminal to which an external apparatus is connected is implemented, and
a terminal opening that exposes the connection terminal is formed in the exterior enclosure.

8. The projector according to claim 7 ,
wherein the interface substrate is so disposed that a surface facing away from the surface on which the connection terminal is implemented faces a lateral side of the projection lens, and
the fan that causes air to flow through the second region is so disposed that the fan delivers the air in a direction along the interface substrate.

9. The projector according to claim 1 ,
wherein the exterior enclosure has a discharge port through which the air having flowed through the first region and the air having flowed through the second region are discharged in the same direction.

Assignees

• Seiko Epson Corp

Inventors

• Yanagihara Hirokazu

Classifications

• H04N9/3144

  Cooling systems (cooling of liquid crystal cells in general G02F1/133382; cooling of projectors not peculiar to the presence of an electronic spatial light modulator G03B21/16) · CPC title

• G03B21/005

  Projectors using an electronic spatial light modulator but not peculiar thereto · CPC title

• G03B21/16 Primary

  Cooling; Preventing overheating · CPC title