JP2009210979A - Display system and image display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display system and an image display, which readily perform display setting change caused by a change in the combination of an image supply device and the image display. <P>SOLUTION: The display system 1 includes the image supply device (PC) 2 supplying image information and the image display (projector) 3 displaying an image corresponding to the image information. The image supply device 2 being one of the image supply device 2 and the image device 3 includes: an identification information obtaining means 24 for obtaining intrinsic identification information set to the other; a storage means 23 for storing the identification information and setting information related to the display setting of the image in the image device 3 in association with each other; and a setting information selection means 26 for selecting the setting information corresponding to the obtained identification information. The image device 3 includes a display control means 35 for displaying the image based on the setting information selected by the setting information selection means 26. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a display system including an image supply device that supplies image information, and an image display device that displays an image corresponding to the image information, and an image display device.

  2. Description of the Related Art Conventionally, an image supply device such as a PC (Personal Computer) or a disk-type recording medium playback device, and an image display device such as a liquid crystal display or a projector that displays an image according to image information supplied from the image supply device A display system with which it is equipped is known. As such a display system, there is known a projector system including a PC and a projector, which are connected to each other by a USB (Universal Serial Bus) cable (for example, see Patent Document 1).

  By the way, in many cases, such an image display apparatus is configured to be able to change image display settings (for example, color mode, color density, brightness, sharpness, etc.). By appropriately changing such display settings, it is possible to change the display state of the image display device according to the user's preference, usage environment, type of image to be displayed, and the like.

JP 2004-69996 A

Here, in the conventional display system, either the image supply device or the image display device may be replaced with the change of the user. For example, when each user individually has a PC as an image supply device, different PCs are connected to the image display device when the image display device is used. In such a case, there is a problem that the user is forced to adjust the display settings of the image display device according to the preference of the user who possesses the PC, the type of image to be displayed, or the like. In addition, when image display devices are arranged in a plurality of places with different environments, even when a PC is connected to each image display device and an image is displayed, display of the image display device is performed according to the use environment or the like. There is a problem of forcing the user to adjust the settings. In particular, in an image display device such as a portable projector, it may be necessary to change the display setting depending on the use environment, which increases the burden on the user.
For this reason, there has been a demand for a display system that can easily adjust the settings of the image display device according to the combination of the image supply device and the image display device.

  An object of the present invention is to provide a display system and an image display device capable of easily changing display settings accompanying a change in the combination of an image supply device and an image display device.

  In order to achieve the above-described object, a display system of the present invention is a display system including an image supply device that supplies image information, and an image display device that displays an image according to the image information, Either one of the image supply device and the image display device includes identification information acquisition means for acquiring unique identification information set to the other, the identification information, and display setting of the image in the image display device Storage means for associating and storing the setting information related to the information and setting information selecting means for selecting the setting information according to the acquired identification information, and the image display device is selected by the setting information selecting means The image processing apparatus further includes display control means for displaying the image based on the setting information.

  Here, as described above, the image supply device is configured such that a recording medium such as a PC or a DVD (Digital Versatile Disc) can be reproduced, and a reproduction device that outputs image information recorded on the recording medium. It can be illustrated. Examples of the image display device include various displays such as liquid crystal, plasma, organic EL (electroluminescence), and CRT (Cathode Ray Tube), as well as projectors.

According to the present invention, the identification information of the other is acquired by one of the image supply device and the image display device constituting the display system, and the setting information relating to the display setting of the image display device according to the identification information Is selected. In the image display device, the display control unit performs image display based on the selected setting information.
According to this, the setting information relating to the display setting of the image display device corresponding to the combination of the image supply device and the image display device is stored in either the image supply device or the image display device, and the setting information Based on the above, the image display device can display an image. Therefore, even when the image display device is connected to another image supply device and the display settings of the image display device are changed, the display settings of the image display device according to the combination can be restored. This saves the user from having to restore the display settings of the image display device to the settings used at the previous time. Therefore, even when the combination of the image supply device and the image display device is changed, the display setting of the image display device can be easily changed.

  In the present invention, the image supply device outputs the setting information selected by the identification information acquisition unit, the storage unit, the setting information selection unit, and the setting information selection unit to the image display device. Setting information output means, and the image display device includes setting information acquisition means for acquiring the setting information output from the image supply device, and the display control means is acquired by the setting information acquisition means. It is preferable to display the image based on the setting information.

According to the present invention, the image supply apparatus acquires identification information acquisition means for acquiring identification information of the image display apparatus, storage means for storing setting information corresponding to the identification information, and setting information for selecting the setting information. In addition to selecting means, the information processing apparatus further includes setting information output means for outputting the selected setting information to the image display device.
Here, as such an image supply apparatus, a PC can be exemplified as described above, but a general PC includes a storage unit having a relatively large storage capacity such as an HDD (Hard Disk Drive). It is often provided. For this reason, the image supply device stores the setting information of the image display device, so that even when there are a plurality of image display devices connected to the image supply device, the setting information related to each image display device is surely stored. Can be retained.

  In the image display device, the setting information acquisition unit can reliably acquire the setting information selected by the image supply device, and the display control unit performs image display based on the display setting corresponding to the setting information. be able to. Therefore, even when a plurality of image display devices are connected to one image supply device, the display settings can be easily changed according to each image display device.

  In the present invention, the image display device is configured to determine whether or not the display setting of the image has been changed, and when it is determined that the display setting has been changed, the changed setting information is transmitted to the image. Change information output means for outputting to the supply device, wherein the image supply device stores the change information acquisition means for acquiring the changed setting information, and the setting information acquired by the change information acquisition means in the storage It is preferable to include setting information updating means for updating the setting information stored in the means.

  According to the present invention, for example, the changed setting information is output to the image supply device every time the display setting of the image display device is changed by the user's operation on the operation means such as a remote controller. It is possible to synchronize the setting information related to the display setting of the image display device in the middle and the setting information related to the display setting of the image display device stored in the image supply device. Therefore, the changed setting information can be reliably reflected in the stored setting information in the image supply apparatus.

  In addition, when the change information output unit of the image display device is configured to output the changed setting information item and the change contents as the change information, instead of outputting the setting information related to all display settings. The amount of data transferred from the image display device to the image supply device and the transfer time of the change information can be shortened. Therefore, it is possible to reduce the possibility that these connections will be disconnected while the setting information is being transferred between the image display device and the image supply device, whereby the image supply device is changed. The set information can be stored reliably.

  Alternatively, in the present invention, the image display device includes the identification information acquisition unit, the storage unit, and the setting information selection unit, and another change determination unit that determines whether the display setting of the image has been changed. And, when it is determined that the display setting has been changed, another setting information update unit that updates the setting information stored in the storage unit with the changed setting information.

According to the present invention, since the image display device includes the above-described identification information acquisition unit, storage unit, setting information selection unit, and display control unit, it is possible to acquire identification information from the image supply device. For example, the display setting can be switched according to the image supply apparatus. Accordingly, there is no need to acquire setting information from the image supply device, and display settings can be switched quickly and reliably.
When the change determination unit determines that the display setting has been changed, the other setting information update unit stores the image supply device that is stored in the storage unit of the image display device and that is currently connected. The setting information corresponding to the information is updated with the changed display setting contents. At this time, it is not necessary to transfer the setting information to the image supply apparatus. Therefore, even when the display setting is changed according to the user's operation, the setting information can be updated quickly and reliably with the changed content.

  In the present invention, the one includes storage content determination means for determining whether the setting information corresponding to the identification information acquired by the identification information acquisition means is stored in the storage means, and the setting Preferably, the information selection unit selects the setting information related to the display setting in the initial state when the storage content determination unit determines that the setting information is not stored.

  According to the present invention, in a combination of an image supply device and an image display device that have never been connected to each other, the display setting of the image display device is set to the initial state. According to this, since it is possible to prompt the user to change the display setting, it is possible to change to the display setting of the image display device according to the use environment of the display system, and the setting related to the changed display setting. The information can be stored by the image display device or the image supply device. Even when the display setting of the image display device is changed from the initial state when combined with another image supply device, the display setting is set to the initial state in the combination with the image supply device connected for the first time. Since it returns, it can prevent that the image which does not fit extremely in a use environment is displayed.

  Further, the image display device of the present invention is an image display device that displays an image according to image information input from the image supply device, and is identification information that acquires unique identification information set in the image supply device. Acquiring means, storage means for storing the identification information and setting information related to the display setting of the image in the image display device, and setting information for selecting the setting information according to the acquired identification information The image processing apparatus includes: selection means; and display control means for displaying the image based on the selected setting information.

  According to the present invention, it is possible to achieve the same effect as the display system described above. In particular, it is possible to achieve the same effect as the image display device provided with the above-described identification information acquisition unit, storage unit, setting information selection unit, and display control unit, thereby improving the versatility of the image display device. be able to.

[1. First Embodiment]
Hereinafter, a display system 1 according to a first embodiment of the present invention will be described with reference to the drawings.
[Configuration of display system]
FIG. 1 is a block diagram showing a configuration of a display system 1 according to the present embodiment.
As shown in FIG. 1, the display system 1 according to this embodiment forms and projects a PC 2 as an image supply device that outputs predetermined image information and an image corresponding to the image information input from the PC 2. , A projector 3 as an image display device for displaying the image on a predetermined projection surface, and a remote controller 4 for remotely operating the projector 3. Among these, the PC 2 and the projector 3 are connected to each other by a USB (Universal Serial Bus) cable in this embodiment.

  The remote controller 4 transmits an operation signal that causes the projector 3 to execute a predetermined process using an infrared signal. Such a remote control 4 is provided with operation keys for selecting items in the menu screen for changing the display settings of the projector 3, a determination key for determining the change of the items, and the like. An operation signal corresponding to the key input is transmitted to the projector 3.

[Configuration of PC]
The PC 2 is configured by a general PC, and starts a predetermined application or the like to perform predetermined processing or the like. Such a PC 2 outputs image information such as an image indicating the result of the processing or an image indicating an operation state, and the generated image information to an image display device (for example, the projector 3). And image information output means 22 for performing the operation.
In addition, the PC 2 outputs storage unit 23, identification information acquisition unit 24, storage content determination unit 25, setting information selection unit 26, setting information output unit in order to output setting information related to the display setting of the projector 3 to the projector 3. 27, a change determination unit 28, a change information acquisition unit 29, and a setting information update unit 2A.

  The storage means 23 is composed of an HDD (Hard Disk Drive), stores various programs (including the above-mentioned applications) and various data necessary for the operation of the PC 2, and identification information of the image display device connected to the PC 2. The setting information related to the display setting of the image display device is stored in association with each other. Further, the storage unit 23 stores setting information related to display settings in the initial state of the image display device.

  The identification information acquisition unit 24 acquires the identification information of the image display device when outputting the image information to the image display device connected to the PC 2. As such identification information, the vendor ID and serial number of the image display device can be exemplified, and when the PC 2 and the image display device are connected by a LAN (Local Area Network), the image display is performed. A MAC (Media Access Control) address of a network adapter provided in the apparatus can be exemplified. Further, the identification information can be a number or character string set in advance in the image display device by the user. In the present embodiment, the identification information acquisition unit 24 acquires the vendor ID of the image display device.

The storage content determination unit 25 determines whether the setting information corresponding to the identification information acquired by the identification information acquisition unit 24 is stored in the storage unit 23.
The setting information selection unit 26 selects the setting information when the storage content determination unit 25 determines that the setting information corresponding to the identification information is stored in the storage unit 23, and determines that the setting information is not stored. In this case, the setting information of the initial state of the image display device stored in the storage unit 23 in advance is selected.
The setting information output unit 27 outputs the setting information selected by the setting information selection unit 26 to the image display device connected to the PC 2.

The change determination unit 28 determines whether or not the display setting has been changed in the image display device connected to the PC 2. Specifically, the change determination unit 28 determines whether or not setting information (change information) including changed items and change contents is input from the image display device, and displays when the change information is input. It is determined that there has been a change in setting, and it is determined that there has been no change in display setting when there is no input.
The change information acquisition unit 29 acquires the above-described change information when the change determination unit 28 determines that the display setting has been changed.
The setting information update unit 2A updates the setting content of the corresponding item in the setting information related to the image display apparatus that has output the change information based on the item and the change content included in the acquired change information.

[Configuration of projector]
As described above, the projector 3 is an image display device that forms and projects an image according to image information input from the PC 2 serving as an image supply device, and displays the image on a projection surface. Further, the projector 3 changes the display setting of the image according to the setting information input from the PC 2. The projector 3 includes an operation unit 31, an image forming unit 32, a storage unit 33, a setting information acquisition unit 34, a display control unit 35, a change determination unit 36, a setting information update unit 37, and a change information output unit 38. Yes.
Among these, the operation means 31 is configured as an operation panel provided with keys similar to those provided on the remote controller 4, and corresponds to the input key when the user inputs the key. A control signal for executing processing is output.

  The image forming unit 32 is driven according to a drive signal input from a display control unit 35 described later, and forms and projects an image according to the image information input to the projector 3. Such an image forming unit 32 includes a light source device 321, a light modulation device 322, and a projection optical device 323. Although not shown, the image forming unit 32 separates the light beams emitted from the light source device 321 into red (R), green (G), and blue (B) color lights in addition to these configurations. A color separation optical device and a color synthesis optical device such as a cross dichroic prism that synthesizes each color light are provided, and the light modulation device is arranged on the optical path of each color light.

  The light source device 321 includes a discharge-type light source lamp and a reflector that reflects radiated light emitted from the light source lamp and converges it to a predetermined position. Among these, lighting of the light source lamp is controlled by the display control means 35. In the present embodiment, the light source lamp is composed of an ultra-high pressure mercury lamp, but may be composed of other discharge type light source lamps. The light source device 321 may be configured to include a solid light source such as an LED (Light Emitting Diode) and an LD (Laser Diode) and an organic EL (Electroluminescence) element instead of the light source lamp.

The light modulation device 322 includes a liquid crystal panel having a configuration in which a liquid crystal that is an electro-optical material is hermetically sealed between a pair of transparent glass substrates, and a pair of polarizing plates arranged so as to sandwich the liquid crystal panel. . Among these, in the liquid crystal panel, the alignment state of the liquid crystal is controlled according to the drive signal input from the display control means 35, and the polarization direction of the incident light beam is modulated. As described above, the light modulation device 322 is disposed on the optical path of each color light of red (R), green (G), and blue (B) separated by the color synthesizing optical device. Thus, image light relating to each color light is formed. Each of these image lights is synthesized by a color synthesizing optical device to form image light relating to a color image.
The projection optical device 323 enlarges and projects the image light synthesized by the color synthesis optical device. The projection optical device 323 is configured as a combined lens including a lens barrel and a plurality of lenses housed in the lens barrel.

The storage means 33 stores various programs and various data necessary for the operation of the projector 3. As such data, setting information relating to the current display setting of the image of the projector 3 can be cited.
The setting information acquisition unit 34 acquires setting information input when image information is input from an image supply device such as the PC 2, and updates the setting information stored in the storage unit 33 with the setting information.

  The display control unit 35 controls the entire projector 3. For example, the display control unit 35 also functions as an image processing unit that processes input image information and outputs a drive signal corresponding to the image information to the light modulation device 322 described above. When the display control unit 35 functions as the image processing unit, the display control unit 35 is formed by the color mode of the projector 3 and the image forming unit 32 based on the display settings related to the setting information stored in the storage unit 33. The image quality (for example, color density, brightness, sharpness, etc.) of the image to be adjusted is adjusted. Further, the display control unit 35 causes the image forming unit 32 to display a menu screen for adjusting the display setting of the image in response to input of control signals from the operation unit 31 and the remote controller 4.

The change determination means 36 corresponds to the change determination means and other change determination means of the present invention, and whether or not the display setting of the image has been changed on the aforementioned menu screen by the user's operation on the operation means 31 and the remote controller 4. Determine whether.
The setting information update unit 37 corresponds to another setting information update unit of the present invention, and includes the changed display setting item and the changed content when the change determination unit 36 determines that the display setting has been changed. The change information is acquired, and the content of the corresponding item in the setting information stored in the storage unit 33 is updated with the change content.
The change information output means 38 acquires the change information and outputs it to an image supply device (for example, PC 2) connected to the projector 3.

[Display system processing]
FIG. 2 is a flowchart showing processing performed by the PC 2 and the projector 3.
When the PC 2 as the image supply device and the projector 3 as the image display device are connected and the PC 2 outputs image information to the projector 3, first, as shown in FIG. 24 acquires the identification information of the projector 3 connected to the PC 2 (step S11).

Thereafter, the storage content determination unit 25 determines whether or not the setting information corresponding to the acquired identification information is stored in the storage unit 23 (step S12).
Here, when it is determined that the information is stored in the storage unit 23, the setting information selection unit 26 selects the setting information corresponding to the identification information (step S13) and is not stored in the storage unit 23. If it is determined, the setting information selection unit 26 selects setting information in the initial state of the projector 3 (step S14).
Then, the setting information output unit 27 outputs the setting information selected by the setting information selection unit 26 to the image display device from which the identification information has been acquired, that is, the projector 3 (step S15). Thereafter, the PC 2 proceeds to step S16.

On the other hand, in the projector 3, the setting information acquisition unit 34 acquires the setting information input from the PC 2 (step S21), and the setting information acquisition unit 34 updates the setting information stored in the storage unit 33 ( Step S22). Thereafter, the display control means 35 controls the image display by the image forming means 32 based on the updated setting information (step S23).
Thereafter, the change determination unit 36 executes a determination process for determining whether or not the display setting has been changed by the user's operation (step S24). Repeatedly.

  Here, when the change determination unit 36 determines that the display setting has been changed, the setting information update unit 37 sets the corresponding item in the setting information stored in the storage unit 33 with the contents of the changed item. The setting contents are updated (step S25). Accordingly, the change information output unit 38 outputs the changed item and the change contents of the item to the PC 2 as change information (step S26). Thereafter, the projector 3 returns the process to step S23, and the display control unit 35 performs display control of the image based on the changed setting information.

As described above, in PC2, after step S15, the process proceeds to step S16. In step S16, the change determination unit 28 executes a determination process for determining whether or not the display setting of the projector 3 has been changed by determining whether or not change information has been input from the projector 3 (step S16). S16).
Here, when the change determination unit 28 determines that the display setting is not changed, that is, when it is determined that the change information is not input from the projector 3, the change determination unit 28 performs step S <b> 16. This determination process is repeated.

  On the other hand, when the change determination unit 28 determines that the display setting has been changed, that is, when it is determined that the change information has been input from the projector 3, the change information acquisition unit 29 acquires the change information ( Step S17). Then, the setting information updating unit 2A updates the setting content of the corresponding item of the setting information related to the projector 3 stored in the storage unit 23 based on the setting information item and the change content indicated by the acquired change information. (Step S18). Thereafter, the PC 2 shifts the process to step S <b> 16 to prepare for the next change in the display setting of the projector 3.

The display system 1 of the present embodiment described above has the following effects.
(1) The setting information relating to the display settings of the projector 3 as the image display device connected to the PC 2 is stored in the PC 2 as the image supply device. This setting information is output when the projector 3 displays an image, and the projector 3 displays an image according to the setting information. According to this, even when the projector 3 is connected to another image supply device and the display setting is changed, when the projector 3 is connected to the PC 2 again, the setting information of the projector 3 is input from the PC 2. Therefore, it is possible to save the user from changing the display setting of the projector 3 to the setting content at the time of previous use. Therefore, the display setting of the projector 3 can be easily changed to the previously used setting state without being conscious of the user.

(2) The setting information of the image display device such as the projector 3 connected to the PC 2 is stored in the storage unit 23 of the PC 2 constituted by the HDD. According to this, even when there are a wide variety of image display devices connected to the PC 2, the setting information of these image display devices can be reliably stored.
Further, since the setting information acquisition unit 34 of the projector 3 acquires the setting information selected and output by the PC 2 and the display control unit 35 displays an image according to the setting information, the same as the projector 3 Even when another image display device having a configuration is connected to the PC 2, it is possible to easily change the display setting according to the image display device.

  (3) When the change determination unit 36 of the projector 3 confirms the change of the display setting, the change information output unit 38 outputs the change information to the PC 2. Then, the change information is acquired by the change information acquisition unit 29 of the PC 2, and the setting information stored in the storage unit 23 is updated by the setting information update unit 2A based on the change information. According to this, since the change information is output to the PC 2 every time the display setting is changed in the projector 3, the setting information of the projector 3 and the setting information stored in the PC 2 according to the projector 3 are obtained. Can be synchronized. Accordingly, the setting information changed by the projector 3 can be reliably reflected in the setting information stored in the PC 2.

  In addition, since the change information output from the projector 3 includes the changed setting information item and change contents, the amount of data transferred from the projector 3 to the PC 2 compared to when all the setting information is input to the PC 2. In addition, the transfer time can be reduced. Accordingly, it is possible to reduce the possibility that the connection between the projector 3 and the PC 2 is disconnected during the transfer of the setting information, and thus the changed setting information can be reliably stored in the PC 2.

  (4) When the PC 2 and the projector 3 have never been connected to each other, the setting information of the initial state of the projector 3 is selected and output by the PC 2, and the setting information of the projector 3 is the setting of the initial state. Updated with information. According to this, since it is possible to prompt the user to change the display setting of the projector 3, it is possible to change the setting information related to the display setting of the projector 3 according to the use environment of the display system 1. Can be stored by the PC 2. Further, even when the projector 3 is connected to another image supply device and the display setting of the projector 3 is changed from the initial state, in the combination with the image supply device such as the PC 2 connected for the first time, the display setting is Since the initial state is restored, it is possible to prevent the projector 3 from displaying an image that is not extremely suitable for the use environment.

[2. Second Embodiment]
Next, a display system 1A according to a second embodiment of the present invention will be described.
The display system 1A according to the present embodiment has the same configuration as the display system 1 described above, but the display system 1 is configured such that the PC 2 stores setting information related to display settings of the projector 3, whereas In the display system 1A, the display system 1A and the display system 1 are different in that the projector 3 stores setting information related to display settings according to the identification information of the PC 2. In the following description, parts that are the same as or substantially the same as those already described are assigned the same reference numerals and description thereof is omitted.

[Configuration of display system]
FIG. 3 is a block diagram showing the configuration of the display system 1A according to the present embodiment.
As shown in FIG. 3, the display system 1 </ b> A forms and projects an image according to image information input from the PC 5 as the image supply device and the PC 5, and displays the image on a predetermined projection surface. A projector 6 as an image display device and a remote controller 4 for remotely operating the projector 6 are provided. In the display system 1A, the projector 6 acquires the identification information of the PC 5, and changes the display setting to an image corresponding to the identification information. In the present embodiment, the PC 5 and the projector 6 are connected via a LAN.

[Configuration of PC]
The PC 5 is configured by a general PC, similar to the PC 2 described above, and includes an image generation unit 21 that generates image information related to an image to be displayed on an image display device such as the projector 6, and the generated image information as an external device. (In this embodiment, the image information output means 22 output to the projector 6) is provided. Although not shown in detail, the PC 5 includes a network adapter for LAN connection with an external device, and a MAC address is assigned to the network adapter.

[Configuration of projector]
The projector 6 includes an operation unit 31, an image forming unit 32, a storage unit 63, an identification information acquisition unit 64, a stored content determination unit 65, a setting information selection unit 66, a display control unit 67, a change determination unit 36, and a setting information update unit 37. It has.
Among these, the storage unit 63 stores various programs and various data necessary for the operation of the projector 6, and also stores setting information related to the image display settings of the projector 6 with an image supply device (for example, PC5) is stored in association with the identification information. The storage unit 63 stores in advance setting information related to the display setting in the initial state.

The identification information acquisition unit 64 acquires identification information of the PC 5 that is an image supply device connected to the projector 6. In this embodiment, the MAC address set in the network adapter of the PC 5 is acquired as identification information.
The storage content determination unit 65 determines whether or not setting information corresponding to the acquired identification information is stored in the storage unit 63.

The setting information selection unit 66 displays the setting information when the stored content determination unit 65 determines that the setting information according to the acquired identification information is stored, and the setting information according to the identification information. Is determined to be stored, the setting information related to the initial display setting stored in the storage unit 63 is selected as the setting information related to the display setting used when displaying the image.
The display control unit 67 controls image formation and display by the image forming unit 32 based on the setting information selected by the setting information selection unit 66.

[Projector display setting processing]
FIG. 4 is a flowchart showing a display setting process performed by the projector 6.
When the projector 6 is connected to the image supply device (PC 5 in this embodiment), the projector 6 executes the following display setting process, and sets the current display setting to the display setting according to the identification information of the image supply device. To change.
Specifically, in the display setting process, as shown in FIG. 4, first, the identification information acquisition unit 64 of the projector 6 acquires the MAC address set in the network adapter of the PC 5 as identification information (step S31).

Thereafter, the storage content determination unit 65 determines whether or not the setting information corresponding to the acquired identification information is stored in the storage unit 63 (step S32).
Here, when the storage content determination unit 65 determines that the setting information corresponding to the identification information is stored, the setting information selection unit 66 uses the setting information as a display setting to be used at the time of image display. The setting information is selected (step S33).
On the other hand, when the storage content determination unit 65 determines that the setting information corresponding to the identification information is not stored, the setting information selection unit 66 sets the setting information related to the initial display setting stored in advance. Is selected as the setting information relating to the display setting used at the time of image display (step S34).
After these steps S33 and S34, the display control means 67 controls the image display by the projector 6 based on the selected setting information (step S35).

Next, the change determination unit 36 determines whether or not the current display setting has been changed by a user operation on the operation unit 31 or the remote controller 4 (step S36).
Here, when the change determination unit 36 determines that the current display setting has not been changed, the change determination unit 36 repeatedly executes the determination process of step S36 to change the display setting by the user. Prepare.

  On the other hand, when the change determination unit 36 determines that the current display setting has been changed, the setting information update unit 37 acquires the changed display setting item and the changed content, and uses the changed content in the PC 5. Corresponding to the identification information, the setting content of the corresponding item of the setting information stored in the storage means 63 is updated (step S37). Thereafter, the projector 6 shifts the processing to step S36 to prepare for further display setting change.

The display system 1A of the present embodiment described above has the following effects.
(5) The projector 6 that is an image display device acquires identification information of the PC 5 that is an image supply device connected to the projector 6, selects setting information related to display settings according to the identification information, and An image is displayed based on the setting information.
According to this, even when the display setting is changed by connecting to another image supply apparatus before being connected to the PC 5, the current display setting can be returned to the display setting set by the PC 5. . Accordingly, it is possible to save the user's trouble of returning the display setting of the projector 6 to the previous setting, and the display setting of the projector 6 can be easily changed.

(6) Since the projector 6 stores setting information related to display settings according to the image supply device such as the PC 5 to be connected, the image supply device can be obtained by acquiring identification information from the image supply device. It is possible to quickly and surely switch to the display setting according to.
When the change determination unit 36 determines that the display setting has been changed, the setting information update unit 37 is stored in the storage unit 63 and corresponds to the identification information of the currently connected image supply device. Setting information can be updated quickly and reliably.

(7) When the PC 5 and the projector 6 have never been connected to each other, the setting information selection unit 66 uses the setting information related to the display setting in the initial state as the setting information related to the display setting used for image display. select. According to this, since it is possible to prompt the user to change the display setting of the projector 6, the projector 6 acquires and stores setting information relating to the display setting of the projector 6 according to the use environment of the display system 1A. Can do.
Further, even when the projector 6 is connected to another image supply device and the display setting of the projector 6 is changed from the initial state, the display setting is not used in combination with the image supply device such as the PC 5 connected for the first time. The initial state can be restored. Therefore, it is possible to prevent the projector 6 from displaying an image that is not extremely suitable for the usage environment.

  (8) The projector 6 acquires the MAC address of the PC 5 as identification information. Since such a MAC address is identification information unique to a network device, it is possible to reliably identify an image supply device such as the PC 5 and it is not necessary to set identification information in the PC 5 in advance. It is possible to save the user's trouble in setting the identification information.

[3. Modification of Embodiment]
The present invention is not limited to the above-described embodiments, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.
In the first embodiment, the identification information acquisition unit 24 of the PC 2 acquires the vendor ID of the image display device. In the second embodiment, the identification information acquisition unit 64 of the projector 6 is provided in the PC 2. Although the MAC address of the network adapter is acquired, the present invention is not limited to this. In other words, any type of identification information may be used as long as it is unique identification information set for each of the image supply device and the image display device.

  In the first embodiment, the PC 2 and the projector 3 are connected to each other by a USB cable. In the second embodiment, the PC 5 and the projector 6 are connected to each other by a LAN. Not limited to this. That is, if one of the image supply device and the image display device is a connection type that can acquire the other identification information, the image supply device and the image display device are connected by another connection type. May be.

  In each of the above embodiments, the projectors 3 and 6 including the liquid crystal panel are exemplified as the light modulation device. However, other configurations are possible as long as the light modulation device forms an optical image by modulating the incident light beam according to image information. The light modulation device may be used. For example, a projector using a light modulation device other than liquid crystal, such as a device using a micromirror, can be applied as the image display device of the present invention.

  In each of the above embodiments, the PCs 2 and 5 are cited as the image supply device, and the projectors 3 and 6 are cited as the image display device, but the present invention is not limited to this. In other words, the image supply device may be any device that can output image information to a connected image display device, and examples thereof include a playback device that plays back a disk-type recording medium. The image display device may be any device that can display an image according to input image information. For example, various displays such as liquid crystal, plasma, organic EL (electroluminescence), and CRT (Cathode Ray Tube) are provided. Can be mentioned.

  The present invention can be used in a display system including an image supply device such as a PC and an image display device such as a projector. In particular, the present invention can be preferably used in a display system in which each device is frequently replaced.

1 is a block diagram showing a configuration of a display system according to a first embodiment of the present invention. The flowchart which shows the display setting process of the display system in the said embodiment. The block diagram which shows the structure of the display system which concerns on 2nd Embodiment of this invention. 6 is a flowchart showing display setting processing of the projector in the embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1,1A ... Display system, 2, 5 ... PC (image supply apparatus), 3, 6 ... Projector (image display apparatus), 23, 63 ... Storage means, 24, 64 ... Identification information acquisition means, 25, 65 ... Storage Content determination means, 26, 66 ... setting information selection means, 27 ... setting information output means, 29 ... change information acquisition means, 2A ... setting information update means, 34 ... setting information acquisition means, 35, 67 ... display control means, 36 ... change determination means (change determination means, other change determination means), 38 ... change information output means, 37 ... setting information update means (other setting information update means).

Claims (6)

A display system comprising: an image supply device that supplies image information; and an image display device that displays an image according to the image information,
One of the image supply device and the image display device is
Identification information acquisition means for acquiring unique identification information set on the other side,
Storage means for associating and storing the identification information and setting information relating to display settings of the image in the image display device;
Setting information selection means for selecting the setting information according to the acquired identification information,
The image display device includes:
A display system comprising display control means for displaying the image based on the setting information selected by the setting information selection means. The display system according to claim 1,
The image supply device includes:
The identification information acquisition means, the storage means, and the setting information selection means;
Setting information output means for outputting the setting information selected by the setting information selection means to the image display device;
The image display device includes:
Comprising setting information acquisition means for acquiring the setting information output from the image supply device;
The display control means includes
A display system that displays the image based on the setting information acquired by the setting information acquisition means. The display system according to claim 2,
The image display device includes:
Change determination means for determining whether or not the display setting of the image has been changed;
A change information output means for outputting the changed setting information to the image supply device when it is determined that the display setting has been changed;
The image supply device includes:
Change information acquisition means for acquiring the changed setting information;
A display system comprising: setting information updating means for updating the setting information stored in the storage means with the setting information obtained by the change information obtaining means. The display system according to claim 1,
The image display device includes:
The identification information acquisition means, the storage means, and the setting information selection means;
Other change determination means for determining whether or not the display setting of the image has been changed;
A display system comprising: another setting information updating unit configured to update the setting information stored in the storage unit with the changed setting information when it is determined that the display setting has been changed. The display system according to any one of claims 1 to 4,
Said one is
A storage content determination unit that determines whether the setting information corresponding to the identification information acquired by the identification information acquisition unit is stored in the storage unit;
The display system according to claim 1, wherein the setting information selection unit selects setting information related to display settings in an initial state when the storage content determination unit determines that the setting information is not stored. An image display device that displays an image according to image information input from an image supply device,
Identification information acquisition means for acquiring unique identification information set in the image supply device;
Storage means for associating and storing the identification information and setting information relating to display settings of the image in the image display device;
Setting information selection means for selecting the setting information according to the acquired identification information;
An image display device comprising: display control means for displaying the image based on the selected setting information.

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