Light blocking member and projection video display device
US-12019359-B2 · Jun 25, 2024 · US
Method for controlling display device, and display device
US2021191498A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2021191498-A1 |
| Application number | US-202017130130-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 22, 2020 |
| Priority date | Dec 23, 2019 |
| Publication date | Jun 24, 2021 |
| Grant date | — |
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Abstract
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A method for controlling a display device having a first interface to which a first image signal is inputted and a second interface to which a second image signal is inputted from an image supply device having an auto sleep function is provided. The method includes: shifting to a sleep mode in response to a continuous stop of the first image signal for a first time, in a first mode in which a first image based on the first image signal is displayed on a screen; and shifting to the sleep mode in response to a continuous stop of the second image signal for a second time that is shorter than the first time, in a second mode in which a second image based on the second image signal is displayed on the screen.
First claim
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What is claimed is: 1 . A method for controlling a display device having a first interface to which a first image signal is inputted and a second interface to which a second image signal is inputted from an image supply device having an auto sleep function, the method comprising: shifting to a sleep mode in response to a continuous stop of the first image signal for a first time, in a first mode in which a first image based on the first image signal is displayed on a screen; and shifting to the sleep mode in response to a continuous stop of the second image signal for a second time that is shorter than the first time, in a second mode in which a second image based on the second image signal is displayed on the screen. 2 . The method for controlling the display device according to claim 1 , wherein the second time is a fixed value. 3 . The method for controlling the display device according to claim 1 , wherein information representing the first time is changed in response to an operation by a user via an input device. 4 . The method for controlling the display device according to claim 1 , wherein in the second mode, electric power is supplied to the image supply device. 5 . A display device comprising: a first interface to which a first image signal is inputted; a second interface to which a second image signal is inputted from an image supply device having an auto sleep function; a display unit displaying an image on a screen; and a control circuit shifting to a sleep mode in response to a continuous stop of the first image signal for a first time, in a first mode in which a first image based on the first image signal is displayed on the screen, and shifting to the sleep mode in response to a continuous stop of the second image signal for a second time that is shorter than the first time, in a second mode in which a second image based on the second image signal is displayed on the screen. 6 . The display device according to claim 5 , further comprising a memory storing information representing the second time as a fixed value. 7 . The display device according to claim 5 , further comprising an input device changing information representing the first time in response to an operation by a user. 8 . The display device according to claim 6 , further comprising a power supply circuit supplying electric power to the image supply device in the second mode.
Assignees
Inventors
Classifications
- H04N9/31Primary
Projection devices for colour picture display {, e.g. using electronic spatial light modulators [ESLM]} · CPC title
- G06F1/3265Primary
Power saving in display device · CPC title
Monitoring of events, devices or parameters that trigger a change in power modality · CPC title
Details of the management of multiple sources of image data · CPC title
Generation or supply of power specially adapted for television receivers · CPC title
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- What does patent US2021191498A1 cover?
- A method for controlling a display device having a first interface to which a first image signal is inputted and a second interface to which a second image signal is inputted from an image supply device having an auto sleep function is provided. The method includes: shifting to a sleep mode in response to a continuous stop of the first image signal for a first time, in a first mode in which a f…
- Who is the assignee on this patent?
- Seiko Epson Corp
- What technology area does this patent fall under?
- Primary CPC classification H04N9/31. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Jun 24 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).