JP2010186183A - Image display system, image output system, image display device and image display method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image display system allowing a presenter of the presentation to easily adjust the display conditions in the display image of the presentation. <P>SOLUTION: A projection system includes: a laptop PC 2; a projector; and an image cable 4 for connecting the laptop PC 2 and the projector to each other. The laptop PC 2 includes: a display adjustment section 27 for adjusting luminance on the basis of PC-side luminance information for adjusting luminance in the display image of the laptop PC 2 when the PC-side luminance information is input; a transmission control section 28 for generating projector-side luminance information for adjusting the luminance in the display image of the projector in accordance with the luminance adjusted by the display adjustment section 27 on the basis of the PC-side luminance information, and transmitting the projector-side luminance information through the image cable 4. The projector includes a display device-side display adjustment section for adjusting the luminance in the display image of the projector on the basis of the projector-side luminance information when receiving the projector-side luminance information. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an image display system, an image output apparatus, and an image display method.

2. Description of the Related Art Conventionally, there is known a projector that modulates light emitted from a light source according to image information to form an optical image, and enlarges and projects the optical image on a screen or the like to display the image. Such projectors are used in various environments and applications such as presentations at conferences, academic conferences, exhibitions, etc., and therefore display conditions such as brightness, contrast, hue, and image size in images displayed on screens, etc. Adjustment can be performed (for example, Patent Document 1).
In the projector described in Patent Document 1, a user of the projector inputs parameters such as luminance in an image displayed on a screen or the like by operating an operation button provided on the remote controller or the main body of the projector. Based on this parameter, the display state can be adjusted by performing image quality adjustment processing on the image information.

JP 2005-192188 A

By the way, when a presentation is performed using a projector, an image output device that outputs image information such as a notebook PC (Personal Computer) is connected to the projector for presentation.
Here, in the projector described in Patent Document 1, when the person who performs the presentation intends to adjust the display state in the display image of the presentation during the presentation, the remote controller or the projector is used. It is necessary to operate the operation buttons provided on the main body.

  However, since the practitioner is giving a presentation near a notebook PC or a screen, it is difficult to operate the operation buttons provided on the main body of the projector. In some cases, the remote controller may not be present at the presentation person. For this reason, there is a problem that the person who performs the presentation cannot easily adjust the display state in the display image of the presentation.

  An object of the present invention is to provide an image display system, an image output apparatus, and an image display method that enable a practitioner to easily adjust the display state of a display image of a presentation.

  An image display system of the present invention includes an image output device that outputs image information, an image display device that displays an image based on the image information, and a transmission that connects the image output device and the image display device so that information can be transmitted. An image display system comprising: an output device side display unit that displays an image based on the image information; an output device side control unit that controls the output device side display unit; An output device side adjustment information for adjusting a display state of an image displayed by the output device side display means, and an operation means for outputting the output device side adjustment information to the output device side control means. The output device side control means adjusts a display state of an image displayed by the output device side display means based on the output device side adjustment information. And a display device for adjusting the display state of the image displayed by the image display device in accordance with the display state adjusted by the output device-side display adjustment unit based on the output device-side adjustment information A transmission control unit that generates side adjustment information and causes the transmission unit to transmit the display device side adjustment information, and the image display device includes a display device side display unit that displays an image based on the image information; Display device side control means for controlling the display device side display means, and when the display device side adjustment information is received, the display device side control means receives the display device side adjustment information based on the display device side adjustment information. The display apparatus side display adjustment part which adjusts the display state of the image displayed by the side display means is provided.

According to such a configuration, when the user of the image output device inputs the output device side adjustment information for adjusting the display state of the image displayed by the output device side display unit by operating the operation unit. The transmission control unit adjusts the display state of the image displayed by the display device side display unit in accordance with the display state adjusted by the output device side display adjustment unit based on the output device side adjustment information. Display device side adjustment information is generated, and the display device side adjustment information is transmitted by the transmission means. The display device-side display adjustment unit adjusts the display state of the image displayed by the display device-side display unit based on the display device-side adjustment information.
Therefore, the user of the image output device operates the operation unit to adjust the display state of the image displayed by the output device side display unit, thereby interlocking the display state of the image displayed by the display unit side display unit. Can be adjusted.

  That is, in the present invention, for example, if a projection system using a notebook PC as an image output apparatus and a projector as an image display apparatus is configured, the person who performs the presentation can make a presentation near the notebook PC or a screen. Even during a presentation, it is easy to adjust the display state of the presentation display image during a presentation without operating the operation buttons on the projector body or the remote controller. be able to. Furthermore, since the practitioner only has to adjust the display state of the display image of the notebook PC, it is not necessary to learn a new operation and the projection system can be easily used.

In this invention, the said transmission control part produces | generates the said display apparatus side adjustment information based on the said output apparatus side adjustment information for adjusting a brightness | luminance, and transmits the said display apparatus side adjustment information by the said transmission means It is preferable.
Since the presentation is often performed in a dark environment, the person who performs the presentation often adjusts the brightness of the display image of the image display apparatus during the presentation. Therefore, according to such a configuration, the image display system of the present invention can be used particularly preferably.

  In the present invention, the image display device projects a light source device, a light modulation device that modulates light emitted from the light source device according to image information to form an optical image, and the formed optical image in an enlarged manner. Preferably, the projector includes a projection optical device.

According to such a configuration, it is possible to enjoy the same operations and effects as those of the image display system described above.
In addition, since the projector is often used for presentations in conferences, academic conferences, exhibitions, and the like, the present invention can be preferably used.

  An image output apparatus according to the present invention includes an image output apparatus that outputs image information, an image display apparatus that displays an image based on the image information, and a transmission that connects the image output apparatus and the image display apparatus so that information can be transmitted. An image output device used in an image display system comprising: output device side display means for displaying an image based on the image information; output device side control means for controlling the output device side display means; An output device side adjustment information for adjusting a display state of an image displayed by the output device side display means, and an operation means for outputting the output device side adjustment information to the output device side control means. The output device side control means adjusts a display state of an image displayed by the output device side display means based on the output device side adjustment information. And a display device for adjusting the display state of the image displayed by the image display device in accordance with the display state adjusted by the output device-side display adjustment unit based on the output device-side adjustment information A transmission control unit that generates side adjustment information and causes the transmission unit to transmit the display device side adjustment information.

  According to such a configuration, it can be used as an image output apparatus suitable for the image display system described above.

  The image display method of the present invention displays an image based on image information and outputs the image information, an image display device that displays an image based on the image information, the image output device, and the image An image display method using an image display system including transmission means for connecting a display device so that information can be transmitted, wherein the image output device adjusts a display state of an image displayed by the image output device When the output device side adjustment information is input, an output device side display adjustment step for adjusting a display state of an image displayed by the image output device based on the output device side adjustment information, and the output device side adjustment information The display state of the image displayed by the image display device is adjusted according to the display state adjusted in the output device-side display adjustment step. Display device-side adjustment information is generated and a transmission control step of transmitting the display device-side adjustment information by the transmission unit is executed, and the image display device receives the display device-side adjustment information. And a display device-side display adjustment step of adjusting a display state of an image displayed by the image display device based on the display device-side adjustment information.

  According to such a configuration, it is possible to enjoy the same operations and effects as those of the image display system described above.

1 is an external view of a projection system according to an embodiment of the present invention. The block diagram which shows schematic structure of the notebook PC in the said embodiment. The block diagram which shows schematic structure of the projector in the said embodiment. The flowchart which shows operation | movement of the projection system in the said embodiment.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[Schematic configuration of the projection system]
FIG. 1 is an external view of a projection system 1 as an image display system.
As shown in FIG. 1, the projection system 1 generates a notebook PC 2 that outputs an image data signal (image information) and an optical image based on the image data signal output from the notebook PC 2, and projects the optical image onto the screen Sc. The projector 3 is connected to the notebook PC 2 and the projector 3, and includes an image cable 4 that transmits an image data signal output from the notebook PC 2 to the projector 3.
By projecting an optical image from the projector 3, an image based on the image data is displayed on the screen Sc (hereinafter referred to as a display image of the projector 3).

  The image cable 4 is a cable connected to transmit an image data signal, and is composed of an analog RGB (Red Green Blue) cable. The image data signal is transmitted as an analog RGB signal. The image cable 4 is not limited to an analog RGB cable, and may be composed of, for example, a composite cable or a digital RGB cable, and may be selected according to an image data signal to be transmitted.

[Configuration of notebook PC]
FIG. 2 is a block diagram illustrating a schematic configuration of the notebook PC 2.
As shown in FIG. 2, the notebook PC 2 as an image output device is roughly configured by a display unit 21, an operation unit 22, and a control unit 23.
The display unit 21 as the output device side display unit includes a liquid crystal panel 211 and a backlight 212.
The liquid crystal panel 211 is a transmissive liquid crystal panel, and changes the arrangement of liquid crystal molecules sealed in a liquid crystal cell (not shown) to transmit or block light emitted from the backlight 212, thereby controlling the control means. The image based on the image data output from 23 is displayed. Note that the backlight 212 is configured to be able to adjust the luminance of emitted light based on a control signal from the control means 23.

  The operation means 22 is, for example, a keyboard or a mouse, and has various operation buttons operated by the user of the notebook PC 2. In addition, the operation unit 22 operates the operation button, and PC-side luminance information for adjusting the luminance in an image displayed by the display unit 21 (hereinafter referred to as a display image of the notebook PC 2), and a notebook. The PC-side image quality information for adjusting the contrast, hue, image size and the like in the display image of the PC 2 can be input. Then, the operation unit 22 outputs the input PC side luminance information and PC side image quality information to the control unit 23.

In the present embodiment, the PC side luminance information is described as an example of output device side adjustment information.
Further, as a method for enabling the PC-side luminance information to be input by the operation means 22, for example, a part of the operation buttons is used as a shortcut key for increasing or decreasing the luminance, and the user of the notebook PC 2 can perform this operation. Examples include a method of operating a shortcut key, and a method in which a user of the notebook PC 2 inputs a luminance value using a menu screen or the like.

  The control means 23 as the output device side control means includes, for example, a CPU (Central Processing Unit) and the like, and controls the entire notebook PC 2 and also controls the display means 21, as shown in FIG. In addition, a main memory 24, an image processing unit 25, an image output unit 26, a display adjustment unit 27, and a transmission control unit 28 are provided. These constituent elements 24 to 28 are connected by a bus (not shown) so that necessary information can be transmitted.

  The main memory 24 stores programs, data, and the like for executing predetermined processing by the image processing unit 25, the display adjustment unit 27, and the like. For example, background image data for generating image data, character data such as characters and pictures, PC-side luminance information, PC-side image quality information, and the like are stored. The control unit 23 stores the PC-side luminance information and the PC-side image quality information output by the operation unit 22 in the main memory 24.

The image processing unit 25 includes, for example, a GPU (Graphics Processor Unit) and the like and performs image processing. The image processing unit 25 includes an image generation unit 251, an image quality adjustment unit 252, and a video memory 253.
The image generation unit 251 generates frame unit image data corresponding to one screen from the background image data and character data stored in the main memory 24.
The image quality adjustment unit 252 performs image processing based on the PC-side image quality information stored in the main memory 24 on the image data generated by the image generation unit 251 to adjust the image quality. Then, the image quality adjustment unit 252 stores the image processed image data in the video memory 253. The video memory 253 is a buffer that temporarily stores image data.
Then, the image processing unit 25 outputs the image data stored in the video memory 253 to the display means 21, and the liquid crystal panel 211 displays an image based on this image data.

  The image output unit 26 includes, for example, a GPU or the like, converts image data stored in the video memory 253 into an image data signal, and outputs the image data signal via the image cable 4. The image output unit 26 is configured to be able to transmit information by using DDC / CI (Display Data Channel Command Interface). Here, DDC / CI is a VESA (Video Electronics Standards Association) standard, and a predetermined command can be transmitted using a DDC line of an analog / digital RGB cable. Therefore, in this embodiment, the transmission means is configured by the image cable 4 and the image output unit 26.

  When the PC-side luminance information is stored in the main memory 24, the display adjustment unit 27 as the output device-side display adjustment unit outputs a control signal based on the PC-side luminance information to the backlight 212. The backlight 212 adjusts the luminance of the emitted light based on the control signal output from the display adjustment unit 27. That is, the display adjustment unit 27 causes the backlight 212 to adjust the luminance in the display image of the notebook PC 2.

When the PC-side luminance information is stored in the main memory 24, the transmission control unit 28 corresponds to the luminance adjusted by the display adjustment unit 27 based on the PC-side luminance information. Thus, projector-side luminance information (display device-side adjustment information) for adjustment is generated. For example, when the PC-side luminance information is input so that the luminance in the display image of the notebook PC 2 is increased, the transmission control unit 28 generates projector-side luminance information for increasing the luminance in the display image of the projector 3. When the PC-side luminance information is input so that the luminance in the display image of the notebook PC 2 is lowered, the transmission control unit 28 generates projector-side luminance information for reducing the luminance in the display image of the projector 3. To do.
Then, the transmission control unit 28 causes the image output unit 26 to transmit the projector-side luminance information via the image cable 4. The projector-side luminance information is transmitted to the projector 3 using the DDC / CI described above.

[Configuration of projector]
FIG. 3 is a block diagram illustrating a schematic configuration of the projector 3.
As shown in FIG. 3, the projector 3 as an image display device is roughly composed of an image projection unit 31 and a control unit 32.
The image projection means 31 as the display device side display means forms an optical image based on the image data output from the control means 32 and enlarges and projects it on the screen Sc. Thereby, an image based on the image data is displayed on the screen Sc. As shown in FIG. 3, the image projection unit 31 includes a light source device 311, a liquid crystal panel 312 as a light modulation device, and a projection optical device 313.

The light source device 311 emits light toward the liquid crystal panel 312 and includes a light source lamp 314 and a lamp driver 315.
The light source lamp 314 is composed of an ultra high pressure mercury lamp. It should be noted that a discharge type light source lamp such as a metal halide lamp or a xenon lamp may be employed in addition to the ultra-high pressure mercury lamp. Furthermore, not only a discharge-type light source lamp, but various self-light emitting elements such as a light emitting diode, a laser diode, an organic EL element, and a silicon light emitting element may be employed.
The lamp driver 315 drives the light source lamp 314 by applying a driving voltage based on a control signal from the control means 32. The light source lamp 314 can adjust the luminance of emitted light by adjusting the drive voltage applied by the lamp driver 315.

The liquid crystal panel 312 is a transmissive liquid crystal panel, and changes the arrangement of liquid crystal molecules enclosed in a liquid crystal cell (not shown) based on a drive signal from the control means 32, and light emitted from the light source lamp 314. The optical image is modulated in accordance with image data by being transmitted or blocked, and an optical image is formed. The optical image is emitted to the projection optical device 313.
The projection optical device 313 enlarges and projects the optical image emitted from the liquid crystal panel 312 toward the screen Sc.

  Although not shown, the projector 3 includes three liquid crystal panels 312 corresponding to the three colors RGB. The light source device 311 also includes a color light separation optical system that separates light emitted from the light source lamp 314 into three colors of light. Furthermore, the projection optical apparatus 313 has a combining optical system that generates an optical image representing a color image by combining three color optical images. As for the configuration of such an optical system, various general projector optical system configurations can be used.

  The control means 32 as the display device side control means includes, for example, a CPU and the like, and controls the entire projector 3 and also controls the image projection means 31. As shown in FIG. 33, an image input unit 34, an image processing unit 35, and a display adjustment unit 36. These components 33 to 35 are connected by a bus (not shown) so that necessary information can be transmitted.

The main memory 33 stores programs, data, and the like for executing predetermined processing by the image processing unit 35, the display adjustment unit 36, and the like. For example, the projector side luminance information for adjusting the luminance in the display image of the projector 3 and the projector side image quality information for adjusting the contrast, hue, image size and the like in the display image of the projector 3 are stored.
The projector 3 includes operation buttons (not shown) such as operation buttons provided on the main body and a remote controller. The operation unit is configured to be able to input the projector-side image quality information described above by operating an operation button or the like, and outputs the input projector-side image quality information to the control unit 32. Then, the control unit 32 stores the input projector-side image quality information in the main memory 33.

  The image input unit 34 inputs the image data signal output from the image output unit 26 via the image cable 4. Further, the image input unit 34 receives the projector side luminance information transmitted from the image output unit 26 via the image cable 4. Since the projector-side luminance information is transmitted using the DDC line of the image cable 4, the image input unit 34 can acquire the image data signal and the projector-side luminance information separately. Then, the image input unit 34 outputs the image data signal to the image processing unit 35 and stores the projector side luminance information in the main memory 33.

The image processing unit 35 includes, for example, a GPU (Graphics Processor Unit) and the like, and performs image processing. The image processing unit 35 includes an image generation unit 351, an image quality adjustment unit 352, and a video memory 353.
The image generation unit 351 samples the image data signal output from the image input unit 34 and generates image data in units of frames.
The image quality adjustment unit 352 performs image processing based on the projector-side image quality information stored in the main memory 33 on the image data generated by the image generation unit 351 to adjust the image quality. Then, the image quality adjustment unit 352 stores the image processed image data in the video memory 353.
Then, the image processing unit 35 outputs the image data stored in the video memory 353 to the image projecting unit 31, and the image projecting unit 31 forms an optical image based on the image data stored in the video memory 353 to form a screen. Enlarge and project to Sc.

  When the projector-side luminance information is stored in the main memory 33, that is, when the projector-side luminance information is received by the image input unit 34, the display adjustment unit 36 serving as the display device-side display adjustment unit receives the projector-side luminance information. Is output to the lamp driver 315. The lamp driver 315 adjusts the luminance of the light emitted from the light source lamp 314 by adjusting the drive voltage applied to the light source lamp 314 based on the control signal output from the display adjustment unit 36. That is, the display adjustment unit 36 causes the lamp driver 315 to adjust the luminance in the display image of the projector 3.

[Projection system operation]
Next, the operation of the projection system 1 will be described with reference to FIG.
FIG. 4 is a flowchart showing the operation of the projection system 1.
In FIG. 4, the notebook PC 2 executes steps S1 to S3 in the left flowchart, and the projector 3 executes steps S4 to S5 in the right flowchart.

First, when the user of the notebook PC 2 operates the operation button of the operation unit 22 and PC side luminance information for adjusting the luminance in the display image of the notebook PC 2 is input, the operation unit 22 receives the input PC. The side luminance information is output to the control means 23 (step S1).
When the PC-side luminance information is output from the operation unit 22, the control unit 23 stores the PC-side luminance information in the main memory 24. When the PC-side luminance information is stored in the main memory 24, the display adjustment unit 27 causes the backlight 212 to adjust the luminance in the display image of the notebook PC 2 based on the PC-side luminance information (step S2: output) Device side display adjustment step).
In addition, when the PC-side luminance information is stored in the main memory 24, the transmission control unit 28 adjusts the luminance in the display image of the projector 3 by the display adjustment unit 27 based on the PC-side luminance information. Projector-side luminance information for adjustment corresponding to is generated. Then, the transmission control unit 28 causes the image output unit 26 to transmit the projector-side luminance information via the image cable 4 (step S3: transmission control step).

When the projector-side luminance information is transmitted by the image output unit 26, the image input unit 34 receives the projector-side luminance information via the image cable 4 and stores it in the main memory 33 (step S4).
When the projector-side luminance information is stored in the main memory 33, the display adjustment unit 36 causes the lamp driver 315 to adjust the luminance in the display image of the projector 3 based on the projector-side luminance information (step S5: display device side). Display adjustment step).
Through the steps S1 to S5 as described above, the user of the projection system 1 operates the operation unit 22 to adjust the luminance in the display image of the notebook PC 2, thereby interlocking the adjustment of the luminance in the display image of the projector 3. Can be done.

The projection system 1 according to the present embodiment has the following effects.
(1) Since the adjustment of the luminance in the display image of the projector 3 can be performed in conjunction with the adjustment of the luminance in the display image of the notebook PC 2, the person who performs the presentation can easily adjust the luminance in the display image of the presentation. be able to. Furthermore, since the person who performs the presentation only needs to adjust the brightness in the display image of the notebook PC 2, it is not necessary to learn a new operation and the projection system 1 can be easily used.

(2) Since the image cable 4 and the image output unit 26 are employed as the transmission means, it is not necessary to connect a new cable or the like in order to transmit the luminance information. Therefore, the configuration of the projection system 1 can be simplified, and the projection system 1 can be configured at low cost.

[Modification of Embodiment]
It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.
In the embodiment, the projector-side luminance information is transmitted / received using DDC / CI. However, for example, the projector-side luminance information may be combined with the image data signal by frequency modulation or the like and transmitted. It is only necessary that the display device side adjustment information can be transmitted between the image output device and the image display device.
In the embodiment, the image cable 4 and the image output unit 26 are used as the transmission means. However, for example, a USB (Universal Serial Bus) cable, a network cable, a wireless network device, or the like may be used. In short, it is only necessary that the image output device and the image display device can be connected so as to be able to transmit information.

In the embodiment, the PC-side luminance information is exemplified as the output device-side adjustment information. However, for example, PC-side image quality information may be employed. In this case, each display adjustment unit of the notebook PC 2 and the projector 3 may cause each image quality adjustment unit to adjust the display state of each display image. In short, the output device side adjustment information may be information for adjusting the display state of the image displayed by the output device side display means.
In the embodiment, the image output apparatus is the notebook PC 2, but may be a board computer, another projector, or the like. In short, it is only necessary to output image information.

In the above-described embodiment, the image display device is the projector 3, but may be a liquid crystal television, for example, and may be any image display device that displays an image based on image information.
In the embodiment, when the projector-side luminance information is stored in the main memory 33, the display adjustment unit 36 adjusts the luminance in the display image of the projector 3. On the other hand, for example, an interlock setting that adjusts the adjustment of the display state of the image displayed by the output device side display unit and the adjustment of the display state of the image displayed by the display unit side display unit, The projector may be configured to be able to switch between a non-linked setting that is not adjusted in conjunction with an operation input from the user. Then, an image displayed by the display device-side display means based on the display device-side adjustment information only when the display device-side adjustment information is received in a state where the setting is switched to the interlocking setting by an operation input from the user. The display device-side display adjustment unit may be configured to adjust the display state.

In the embodiment, the transmissive liquid crystal panel 312 is used. However, the present invention is not limited to this, and a reflective liquid crystal panel may be used, or a digital micromirror device (DMD) may be used. . DMD is a trademark of Texas Instruments Incorporated.
In the above-described embodiment, three liquid crystal panels 312 are provided. However, the present invention is not limited to this, and only one liquid crystal panel 312 is provided. Two liquid crystal panels 312 are provided. Four or more liquid crystal panels are provided. 312 may be provided.

  The present invention can be used as an image display system, and in particular, can be suitably used for a projection system using a projector.

  DESCRIPTION OF SYMBOLS 1 ... Projection system (image display system), 2 ... Notebook PC (image output device), 3 ... Projector (image display device), 4 ... Image cable (transmission means), 21 ... Display means (output device side display means), 22 ... operation means, 23 ... control means (output device side control means), 27 ... display adjustment section (output device side display adjustment section), 28 ... transmission control section, 31 ... image projection means (display apparatus side display means), 32 ... Control means (display device side control means), 36 ... Display adjustment unit (display device side display adjustment unit), 311 ... Light source device, 312 ... Liquid crystal panel (light modulation device), 313 ... Projection optical device, S2 ... Output Device side display adjustment step, S3... Transmission control step, S5... Display device side display adjustment step.

Claims (5)

An image display system comprising: an image output device that outputs image information; an image display device that displays an image based on the image information; and a transmission unit that connects the image output device and the image display device so that information can be transmitted. There,
The image output device includes:
Output device side display means for displaying an image based on the image information;
Output device side control means for controlling the output device side display means;
Operation means for enabling input of output device side adjustment information for adjusting a display state of an image displayed by the output device side display means, and outputting the output device side adjustment information to the output device side control means. ,
The output device side control means includes:
An output device-side display adjustment unit that adjusts a display state of an image displayed by the output device-side display unit based on the output device-side adjustment information;
Display device side adjustment for adjusting the display state of the image displayed by the image display device in accordance with the display state adjusted by the output device side display adjustment unit based on the output device side adjustment information A transmission control unit that generates information and causes the transmission unit to transmit the display device side adjustment information,
The image display device includes:
Display device-side display means for displaying an image based on the image information;
Display device side control means for controlling the display device side display means,
The display device side control means includes:
When the display device side adjustment information is received, a display device side display adjustment unit that adjusts a display state of an image displayed by the display device side display unit based on the display device side adjustment information is provided. Image display system. The image display system according to claim 1,
The transmission control unit generates the display device side adjustment information based on the output device side adjustment information for adjusting luminance, and causes the transmission unit to transmit the display device side adjustment information. Image display system. The image display system according to claim 1 or 2,
The image display device includes a light source device, a light modulation device that modulates light emitted from the light source device according to image information to form an optical image, and a projection optical device that magnifies and projects the formed optical image. An image display system comprising: a projector comprising: An image display system comprising: an image output device that outputs image information; an image display device that displays an image based on the image information; and a transmission unit that connects the image output device and the image display device so that information can be transmitted. An image output device used,
Output device side display means for displaying an image based on the image information;
Output device side control means for controlling the output device side display means;
Operation means for enabling input of output device side adjustment information for adjusting a display state of an image displayed by the output device side display means, and outputting the output device side adjustment information to the output device side control means. ,
The output device side control means includes:
An output device-side display adjustment unit that adjusts a display state of an image displayed by the output device-side display unit based on the output device-side adjustment information;
Display device side adjustment for adjusting the display state of the image displayed by the image display device in accordance with the display state adjusted by the output device side display adjustment unit based on the output device side adjustment information An image output apparatus comprising: a transmission control unit that generates information and causes the transmission unit to transmit the display apparatus side adjustment information. An image output device that displays an image based on image information, an image output device that outputs the image information, an image display device that displays an image based on the image information, and the image output device and the image display device can transmit information An image display method using an image display system including a transmission means to be connected,
The image output device comprises:
When the output device side adjustment information for adjusting the display state of the image displayed by the image output device is input, the display state of the image displayed by the image output device is changed based on the output device side adjustment information. An output device side display adjustment step to be adjusted; and
Display device side adjustment for adjusting the display state of the image displayed by the image display device in accordance with the display state adjusted in the output device side display adjustment step based on the output device side adjustment information A transmission control step of generating information and transmitting the display device side adjustment information by the transmission means;
The image display device
When the display device side adjustment information is received, a display device side display adjustment step of adjusting a display state of an image displayed by the image display device based on the display device side adjustment information is executed. Image display method.

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