JP2005025000A - Display device and display device unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device and a display device unit which perform image display to one display single body and performing image display to a synthesized display screen in which a plurality of displays are synthesized. <P>SOLUTION: In a first display screen 32, it is made possible to perform a single image display of displaying an image on the whole surface of the first display screen 32. In the state in which an additional display 14 is mounted, the synthesized display screen 50 is constituted by the first display screen 32 and a second display screen 40 and it is made possible to perform the synthesized image display in which the image is displayed on the front surface of the synthesized display screen 50. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a display device capable of displaying an image and a display device unit.
[0002]
[Prior art]
Conventionally, digital cameras and digital video cameras have been provided with a display for displaying a subject to be photographed. This display tends to become smaller with the miniaturization of digital cameras and digital video cameras, but as a user, a larger display is easier to see and user-friendly. Therefore, Patent Document 1 discloses a technique for reducing the size by continuously displaying images on a plurality of displays and overlapping the plurality of displays when stored.
[0003]
However, in Patent Literature 1, image display is performed on a plurality of displays, but image display at the time of storage is not disclosed. When it is not necessary to display a large image, it is convenient if an image can be displayed on only one display.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-175355
[Problems to be solved by the invention]
The present invention has been made in consideration of the above facts, and is capable of performing image display on a single display unit and image display on a composite display screen in which a plurality of displays are combined. An object is to provide a device and a display unit.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the display device according to claim 1 is equipped with a first display screen capable of displaying an image and a second display device including a second display screen capable of displaying an image. A detection unit capable of detecting whether or not the second display device is mounted on the mounting unit; and when the detection unit detects that the second display device is not mounted, A single image display corresponding to the display screen is performed, and when the detection unit detects that the second display device is mounted, a composition composed of the first display screen and the second display screen Image display means for displaying a composite image corresponding to the display screen.
[0007]
In the display device of the present invention, the second display device can be mounted on the mounting portion, and whether or not the second display device is mounted can be detected by the detection means. In a state where the second display device is not mounted, the display screen is constituted by only the first display screen, and the single image display corresponding to the first display screen is performed by the image display means. When the second display device is mounted, the first display screen and the second display screen form a composite display screen. The detection unit detects the mounting of the second display device, and the image display unit A composite image corresponding to the composite screen is displayed.
[0008]
According to the display device of the present invention, it is possible to display an image on a composite display screen configured by combining two display screens, so that the displayed image can be enlarged and the display can be easily viewed. . Moreover, since the single image display and the composite image display can be automatically switched according to the display screen, high convenience can be obtained.
[0009]
A display device unit according to a second aspect includes the display device according to the first aspect and a second display screen that is capable of displaying an image, is mounted on a mounting portion of the display device, and is capable of displaying an image. And a display device.
[0010]
According to the display device unit of the present invention, since the image can be displayed on the composite display screen configured by combining the two display screens as in the display device of claim 1, the displayed image is enlarged. Can be displayed easily. Moreover, since the single image display and the composite image display can be automatically switched according to the configured display screen, high convenience can be obtained.
[0011]
The display device according to claim 3 is capable of a first display screen visible from the outside, a visible state capable of being visually recognized from the outside, and an invisible state incapable of being visually recognized from the outside. Two display screens, detection means capable of detecting whether or not the second display screen is visible, and the first display screen when the detection means detects that the second display device is not visible. And when the detection means detects that the second display screen is in a visible state, a composite composed of the first display screen and the second display screen is displayed. Image display means for displaying a composite image corresponding to the display screen.
[0012]
In the display device of the present invention, the second display screen can be made visible and invisible. Here, the visually recognizable state refers to a state in which the user can visually recognize the second display screen, and the invisible state refers to the second display screen housed in the housing of the display device or other members. In other words, the user cannot visually recognize the second display screen.
[0013]
When the second display screen is in an invisible state, the display screen of the display device is configured only by the first display screen, and the single image display corresponding to the first display screen is performed by the image display means. When the second display screen is in a visible state, the first display screen and the second display screen constitute a composite display screen, and the detection means detects that the second display screen is in a visible state, and the image A composite image corresponding to the composite display screen is displayed by the display means.
[0014]
According to the display device of the present invention, it is possible to display an image on a composite display screen configured by combining two display screens, so that the displayed image can be enlarged and the display can be easily viewed. . Moreover, since it is possible to automatically switch between the single image display and the composite image display according to the configured display screen, high convenience can be obtained.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
[First Embodiment]
Hereinafter, a first embodiment of a display device and a display device unit according to the present invention will be described with reference to the drawings. The display device and display device unit of the present invention can be applied to an electronic device including a display, such as a digital camera, a digital video camera, a mobile phone, and a personal computer. In the present embodiment, an example applied to a digital camera. explain.
[0016]
As shown in FIG. 1, the digital camera unit 10 of the present embodiment includes a digital camera 12 and an additional display 14. The digital camera 12 includes a shutter button 20 for performing a shutter operation on the upper surface, and a mounting member 22 that can mount the additional display 14 on one side surface. Also, the digital camera 12 has a finder 24 for confirming the subject to be photographed, a power button 26 for turning on / off the power, a zooming button 28 for zooming operation, and a digital camera 12 in photographing mode / playback. A mode button 29 for switching to one of the modes, an input key 30 for inputting various other instructions, and a first display screen 32 capable of displaying an image are provided. The first display screen 32 has a rectangular shape with an aspect ratio of 3: 4. The first display screen 32 is disposed on the mounting member 22 side on the back of the digital camera 12. On the first display screen 32, it is possible to perform a single image display that displays an image having an aspect ratio of 3: 4 that is the same as the aspect ratio of the first display screen 32 on the entire surface of the first display screen 32. ing.
[0017]
The additional display 14 includes a second display screen 40 and a connector 42. The second display screen 40 has the same size as the first display screen 32 and is disposed on the side of the additional display 14 that is attached to the digital camera 12. The connector 42 can be fitted to the mounting member 22.
[0018]
As shown in FIG. 2A, a power supply recess 34 for supplying power, a signal recess 36 for electrical signal communication, and a mounting sensor 38 are disposed inside the mounting member 22. . Further, as shown in FIG. 2B, the connector 42 has a power input pin 44 that can be inserted into the power supply recess 34 and an electrical signal that can be inserted into the signal recess 36 as shown in FIG. A signal pin 46 for communication is provided. The additional display 14 is mounted on the digital camera 12 by fitting the connector 42 to the mounting member 22 and inserting the power pin 44 and the signal pin 46 into the power supply recess 34 and the signal recess 36, respectively.
[0019]
As shown in FIG. 3, in the state where the additional display 14 is mounted, the composite display screen 50 is configured by the first display screen 32 and the second display screen 40. The composite display screen 50 has the same vertical length as the first display screen 32, the horizontal length is twice that of the first display screen 32, and the aspect ratio is 3: 8. On the composite display screen 50, it is possible to perform composite image display for displaying an image with an aspect ratio of 3: 8 on the entire surface of the composite display screen 50.
[0020]
The mounting sensor 38 can detect whether or not the additional display 14 is mounted on the digital camera 12, and can transmit a mounting signal to a CPU 60 described later when the additional display 14 is mounted.
[0021]
FIG. 4 shows a schematic block diagram of the control system of the present embodiment. Inside the digital camera 12, a CPU 60, a CCD 62, and a memory 64 are provided. The CPU 60 is connected to the additional display 14, the shutter button 20, the power button 26, the mode button 29, the first display screen 32, the mounting sensor 38, the CCD 62, and the memory 64, processing various signals, and each part of the digital camera 12. Control etc. can be executed. The additional display 14 is not connected to the CPU 60 when the additional display 14 is not attached. The CCD 62 can receive light from the outside, photoelectrically convert the received light, and output it to the CPU 60 as image data. The aspect ratio of the image data output from the CCD 62 to the CPU 60 is 3: 4. The memory 64 can record image data. The aspect ratio of the image data recorded in the memory 64 substantially corresponds to the aspect ratio of the first display screen 32.
[0022]
Next, the operation of this embodiment will be described.
[0023]
When the user wants to display a predetermined image only on the first display screen 32 when using the digital camera 12, the user does not attach the additional display 14 to the digital camera 12 and displays the predetermined image. When it is desired to display a composite image on the composite display screen 50, the additional display 14 is attached to the digital camera 12, as shown in FIG. This mounting is performed by fitting the connector 42 of the additional display 14 to the mounting member 22 of the digital camera 12 and inserting the power pin 44 and the signal pin 46 into the power supply recess 34 and the signal recess 36, respectively. Thus, the composite display screen 50 is configured, and the additional display 14 is fixed to the digital camera 12 and can receive power from the digital camera 12 and transmit and receive signals. When the power button 26 is turned on, the CPU 60 performs an image display process W1 shown in FIG.
[0024]
In step S10, it is determined whether or not a mounting signal is sent from the mounting sensor 38, that is, whether or not the additional display 14 is mounted. If the determination is affirmative, it is determined in step S12 whether the mode of the digital camera 12 is the shooting mode. If the determination is affirmed, the image data from the CCD 62 is received in step S14. If the determination is negative, the image data recorded in the memory 64 is read in step S16. In step S18, image data for composite image display is constructed. Here, since the aspect ratio of the image data recorded in the memory 64 and the image data from the CCD 62 is 3: 4, the top and bottom of this image data is cut off to form image data having an aspect ratio of 3: 8. Thus, image data for composite image display is constructed. In step S20, this image data is output to the composite display screen 50, and this process is terminated.
[0025]
If the determination is negative in step S10, it is determined in step S22 whether the mode of the digital camera 12 is the shooting mode. If the determination is affirmed, the image data from the CCD 62 is received in step S24, and if the determination is negative, the image data recorded in the memory 64 is read in step S26. In step S28, image data for displaying a single image is constructed. Here, since the aspect ratio of the image data recorded in the memory 64 and the image data from the CCD 62 is 3: 4, which is the same as the aspect ratio of the image data for single image display, the image data is not cut off. In addition, image data for single image display is used. In step S30, this image data is output to the first display screen 32, and this process is terminated.
[0026]
According to the present embodiment, the composite display screen 50 can be configured by mounting the additional display 14, and the photographing target can be displayed larger. In addition, since the image corresponding to the combined display screen and the single display screen configured according to whether the additional display 14 is mounted or not is automatically displayed, the user does not need to switch the display mode himself, High convenience can be obtained.
[0027]
In the present embodiment, the upper and lower data of the image data with the aspect ratio of 3: 4 is cut off to create the image data with the aspect ratio of 3: 8. However, two or more images with the aspect ratio of 3: 4 are synthesized. Image data with an aspect ratio of 3: 8 can also be created. It is also possible to record image data having an aspect ratio of 3: 8 in the memory 44, and to produce image data having an aspect ratio of 3: 4 by cutting off left and right data of the image data.
[Second Embodiment]
Next, a second embodiment will be described. In the present embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
[0028]
As shown in FIG. 6, the digital camera 70 of this embodiment includes a shutter button 20, a viewfinder 24, a power button 26, a zooming button 28, a mode button 29, an input key 30, a first display screen 72, and a second display screen 74. And a screen position detection sensor 76. The first display screen 72 has a rectangular plate shape with an aspect ratio of 3: 4. On the first display screen 72, it is possible to perform single image display on the entire surface of the first display screen 72 to display an image having an aspect ratio of 3: 4 that is the same as the aspect ratio of the first display screen 72. ing. The first display screen 72 can be moved between a position P1 stored in the digital camera 70 and a position P2 pulled out in the horizontal direction of the digital camera 70.
[0029]
A second display screen 74 is disposed on the back side of the first display screen 72 at the position P1. The second display screen 74 is the same size as the first display screen 72. When the first display screen 72 is stored at the position P1, it is completely covered with the first display screen 72 and is exposed to the outside. However, although the user cannot visually recognize from the outside, when the first display screen 72 is pulled out to the position P2, the whole is exposed to the outside and arranged at a position that can be visually recognized by the user. The composite display screen 50 can be configured by the first display screen 72 and the second display screen 74 at the position P2. The display size of the composite display screen 50 is the same as in the first embodiment.
[0030]
The screen position detection sensor 76 is arranged at the upper part of the first display screen 72. The screen position detection sensor 76 can transmit a P2 signal to the CPU 60 when the first display screen 72 is pulled out to the position P2, that is, when the second display screen 74 is exposed to the outside. ing.
[0031]
FIG. 7 shows a schematic block diagram of the control system of the present embodiment. The CPU 60 is connected to the shutter button 20, the power button 26, the mode button 29, the CCD 62, the memory 64, the first display screen 72, the second display screen 74, and the screen position detection sensor 76. Control of each part of the camera 12 can be executed.
[0032]
Next, the operation of this embodiment will be described.
[0033]
When the user wants to display a predetermined image only on the first display screen 72 when using the digital camera 70, the user keeps the first display screen 72 stored in the position P1, When it is desired to display the composite image on the composite display screen 50, the first display screen 72 is pulled out to the position P2, as shown in FIG. The combined display screen 50 is configured by this drawing. When the power button 26 is turned on, the CPU 60 performs an image display process W2 shown in FIG.
[0034]
In step S40, it is determined whether or not the P2 signal is sent from the screen position detection sensor 76, that is, whether or not the first display screen 72 is pulled out to the position P2. If the determination is affirmative, it is determined in step S42 whether the mode of the digital camera 70 is the shooting mode. If the determination is affirmed, the image data from the CCD 62 is received in step S44, and if the determination is negative, the image data recorded in the memory 64 is read in step S46. In step S48, image data for composite image display is constructed. Here, since the aspect ratio of the image data recorded in the memory 64 and the image data from the CCD 62 is 3: 4, the top and bottom of this image data is cut off to form image data having an aspect ratio of 3: 8. Thus, image data for composite image display is constructed. In step S50, this image data is output to the composite display screen 50, and this process is terminated.
[0035]
If the determination is negative in step S40, it is determined in step S52 whether the mode of the digital camera 70 is the shooting mode. If the determination is affirmed, the image data from the CCD 62 is received in step S54, and if the determination is negative, the image data recorded in the memory 64 is read in step S56. In step S58, image data for displaying a single image is constructed. Here, since the aspect ratio of the image data recorded in the memory 64 and the image data from the CCD 62 is 3: 4, which is the same as the aspect ratio of the image data for single image display, the image data is not cut off. In addition, image data for single image display is used. In step S60, this image data is output to the first display screen 72, and this process is terminated.
[0036]
Also in this embodiment, the composite display screen 50 can be configured by pulling out the first display screen 72 to the position P2, and the photographing target can be displayed larger. In addition, since the image corresponding to the composite display screen or the single display screen configured according to the position of the first display screen 72 is automatically displayed, the user does not have to switch the display mode himself, and is highly convenient. Can be obtained. Furthermore, since the first display screen 72 is not separated from the digital camera 70, it is convenient for carrying and can be prevented from being accidentally lost.
[0037]
【The invention's effect】
As described above, according to the display device and the display device of the present invention, it is possible to automatically switch between the single image display and the composite image display according to the configured display screen, thereby obtaining high convenience. be able to.
[Brief description of the drawings]
FIG. 1 is a perspective view of a digital camera unit according to a first embodiment (when an additional display is not attached).
2A is a side view of a mounting member side of a digital camera according to the first embodiment, and FIG. 2B is a side view of a connector side of an additional display.
FIG. 3 is a perspective view of the digital camera unit according to the first embodiment (with an additional display attached).
FIG. 4 is a schematic block diagram of a control system of the digital camera unit according to the first embodiment.
FIG. 5 is a flowchart of image display processing according to the first embodiment;
FIG. 6 is a perspective view of a digital camera according to a second embodiment.
FIG. 7 is a schematic block diagram of a control system of the digital camera of the second embodiment.
FIG. 8 is a flowchart of image display processing according to the second embodiment.
[Explanation of symbols]
10, 70 Digital camera unit (display unit)
12 Digital camera (display device)
14 Additional display (second display device)
22 Mounting member (mounting part)
32, 72 First display screen 38 Wear sensor (detection means)
40, 74 Second display screen 50 Composite display screen 76 Screen position detection sensor (detection means)
W1, W2 Image display processing (image display means)

Claims (3)

A first display screen capable of displaying an image;
A mounting portion on which a second display device having a second display screen capable of displaying an image can be mounted;
Detecting means capable of detecting whether or not the second display device is mounted on the mounting portion;
When it is detected by the detection means that the second display device is not attached, a single image display corresponding to the first display screen is performed and the second display device is attached by the detection means. Is detected, image display means for displaying a composite image corresponding to a composite display screen composed of the first display screen and the second display screen;
A display device comprising: A display device according to claim 1;
A second display device capable of displaying an image, provided with a second display screen attached to a mounting portion of the display device and capable of displaying an image;
A display unit comprising: A first display screen visible from the outside;
A second display screen in which a visible state capable of being visually recognized from the outside and an invisible state incapable of being visually recognized from the outside are possible;
Detecting means capable of detecting whether or not the second display screen is visible;
When the detection unit detects that the second display device is not in a visible state, the single display corresponding to the first display screen is performed, and the second display screen is in a visible state by the detection unit. If it is detected that there is an image display means for displaying a composite image corresponding to a composite display screen configured by the first display screen and the second display screen;
A display device comprising:

Images