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US 2015/0029468 A1Published application
Projecting type image display apparatus
AssigneeCanon Kabushiki Kaisha
InventorYuya Kurata
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AssigneeCanon Kabushiki Kaisha
InventorYuya Kurata
Estimating the term…
An image display apparatus including a light source; a light source control unit configured to control electric power to be supplied to the light source; a light source cooling unit configured to cool the light source; a cooling control unit configured to control the light source cooling unit; an image display device; an illumination optical system configured to introduce light from the light source to the image display device, and a projecting optical system configured to project light modulated by the image display device. When the light source control unit receives a turn-off command, the light source control unit first lowers electric power to be supplied to the light source to a predetermined electric power lower than normal electric power to be supplied when the lamp is on, and then blocks the supply of the electric power to the light source, thereby turning the light source off.
An image display apparatus comprising:
A control method for controlling an image display apparatus including a light source, a light source control unit configured to control electric power to be supplied to the light source, an image display device, and an illumination optical system configured to guide light from the light source to the image display device, the method comprising:
A computer readable media including a control program to control an image display apparatus, the image display apparatus including a light source, a light source control unit configured to control electric power to be supplied to the light source, an image display device, and an illumination optical system configured to introduce light from the light source to the image display device, the program, when executed by a computer, causing the computer to:
Dependencies are inferred from the claim text.