JP4020171B2 - Retractable display - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a retractable display device that can store a display portion in a main body and has excellent portability.
[0002]
[Prior art]
In recent years, portable terminal devices such as computers having an image display device have been miniaturized, and devices having a size of about A5 size and excellent portability have been commercialized. By the way, when trying to improve the portability of the computer body, which is the image drive unit, the image display unit itself must also be downsized to match the computer body, and as a result, try to display the same amount of information as before. In this case, the image displayed on the image display unit must be reduced, and the image on the image display unit becomes very difficult to see. As a measure for solving this problem, there is a conventional retractable display device disclosed in, for example, Japanese Patent Laid-Open No. 4-110887.
[0003]
FIG. 11 is a diagram showing the configuration of a conventional retractable display device disclosed in Japanese Patent Laid-Open No. 4-110887. In the figure, 1 is a keyboard switch, 2 is an image drive unit which is a body (main body) of a computer or the like, 4 is a storage unit, 6 is an image display unit, 7 is a wall on which the image display unit 6 is hung, 8 is image drive This is a cord for electrically connecting the unit 2 and the image display unit 6.
[0004]
As shown in FIG. 11, the image display unit 6 is displayed on the wall 7 or the like when used, and is stored in the storage unit 4 provided in the image driving unit 2 so that the image display unit 6 can be bent when being carried. Thus, the image display unit 6 having a display area sufficient for displaying an image is provided regardless of the size of the main body of the image drive unit 2.
[0005]
[Problems to be solved by the invention]
In the conventional retractable display device configured as described above, the image display unit is stored in the storage unit of the main unit when the image driving unit, that is, the main unit of the device is carried, but the image display unit is taken out from the main unit of the device when in use. Since the method of attaching to a wall or the like is used, there is a problem that portability during use is impaired.
[0006]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a retractable display device that is excellent not only in non-use but also in portability.
[0007]
[Means for Solving the Problems]
In view of the above object, the present invention provides a main body, an image display unit that is provided so as to be able to be pulled out from the main body, and is driven by a transmission signal, and a drawer that is an amount by which the image display is pulled out from the main body. A pull-out amount detecting means for detecting the amount of the image display unit provided in the main body unit and the transmission signal output to the image display unit partially stored in the main body unit according to the pull-out amount ; A retractable display device comprising display control processing means for controlling an image display in another part .
Further, the image display unit is deformed.
The image display section is flexible.
[0012]
Further, the present invention resides in a retractable display device in which the display control processing means sets the size of a character to be displayed on the image display unit in accordance with the detected drawing amount of the image display unit.
[0013]
The display control processing unit may set a display direction of an image to be displayed on the image display unit in accordance with a detected drawing amount of the image display unit.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the retractable display device according to each embodiment of the present invention will be described with reference to the drawings particularly when a part of an image display unit is stored in a storage unit provided in a main body unit. explain.
[0015]
Embodiment 1 FIG.
FIG. 1 is a perspective view showing a usage state of a retractable display device according to an embodiment of the present invention, and FIGS. 2 and 3 are perspective views showing an example of a storage portion of the display device of FIG. 4 is a display example of image information of the display device of FIG. 1, and FIG. 5 is a side perspective view showing a storage state of the image display unit. The same or corresponding parts as those of the conventional one are denoted by the same reference numerals.
[0016]
In each figure, 1 is a keyboard, 20 is a main body (image driving unit) which is a body of a computer or the like, 4 is a storage unit, 4a is an opening / outlet opening / closing port of the image display unit (see FIG. 2), and 4b is an image display. 3 is an image display section, 11 is an image display area (see FIG. 4), 17 is a roller that controls the insertion and removal of the image display section 6 by friction, and 19 is a support for the image display section 6. The support portion 22 is a handle that makes it easy to put in and out the image display portion 6. Note that the image display unit 6 is electrically connected within the main body unit 20 to an electrical component part composed of an arithmetic processing element, a memory element, and the like by a cord (both not shown). A part of the electric component part constitutes a display control processing means (see 30 in FIG. 6) and operates according to a built-in program (not shown) and a signal supplied from the keyboard 1 by a user or the like.
[0017]
A storage unit 4 for storing a deformable image display unit 6 having flexibility, which will be described later, is provided in a main body unit 20 such as a portable terminal having a keyboard 1 as an operation unit on the upper surface. The storage unit 4 has an opening 4a serving as an insertion opening as shown in FIG. 2, and may be in a case shape in which the whole or a part of the image display unit 6 can be stored, or as shown in FIG. The display 4 may be provided with a guide 4b that facilitates movement.
[0018]
The image display unit 6 is configured by, for example, a flexible liquid crystal display so as to be deformable. In addition, a handle 22 is joined to the image display unit 6, and the handle 22 further includes a support unit 19. The support portion 19 can be stored in the main body portion 20 and can be expanded and contracted in the moving direction of the image display portion 6. Further, the handle 22 is effective for reinforcing the image display unit 6 in addition to being used for pulling out or pushing the image display unit 6 into the storage unit 4. In addition, a roller 17 is provided inside the main body 20 and restricts the movement of the image display unit 6 by friction.
[0019]
Further, the image display unit 6 and the above-described display control processing means in the main body unit 20 are connected by a code (both not shown), and an image drive signal output from the display control processing means is displayed through the code. Since the image is transmitted to the unit 6 and the image on the image display unit 6 is controlled, the user can pull out and use the image display unit 6 as necessary.
[0020]
In this embodiment, as shown in FIG. 4A, when the image display area 11 is narrow with respect to the image information, and a part of the image information is not displayed and sufficient display cannot be performed, it is used. When a person operates the keyboard 1 to give instructions regarding display, for example, as shown in FIG. 4B, the display direction (row direction and column direction) of information to be displayed is changed, and image information is sufficiently stored. It is possible to display. In particular, when the image information is a character such as a character or a symbol, the size of the character may be instructed from the keyboard 1 and changed according to the size of the image display area 11.
[0021]
Next, when the image display unit 6 is not used, such as when the main body 2 is carried, as shown in FIG. 5, for example, the handle 22 is manually pushed into the main body 20 or a motor (see FIG. The image display unit 6 may be stored in the storage unit 4 by electric power using a power source (not shown).
[0022]
Embodiment 2. FIG.
FIG. 6 is a block diagram functionally showing the configuration of a retractable display device according to another embodiment of the present invention. Although the basic structure is the same as that of the above-described embodiment shown in FIGS. 1 to 5, in this embodiment, a pull-out amount detecting means for detecting the pull-out amount of the image display unit is provided.
[0023]
In FIG. 6, reference numeral 9 denotes an extraction amount detection unit for detecting the extraction amount of the image display unit 6, which is connected to the display control processing unit 30 together with the keyboard 1 as an operation unit. The output of the display control processing unit 30 is supplied to the image display unit 6 via the code 8. Then, an image drive signal that is controlled by the display control processing unit 30 from the pull-out amount signal 10 of the image display unit 6 obtained from the pull-out amount detection unit 9 is transmitted to the image display unit 6 through the code 8, and the image display unit 6 The image information controlled so as to fit in the area actually used as the display area is displayed.
[0024]
FIG. 7 shows an example of the drawer amount detection unit 9. In FIG. 7, recesses 18 are provided at regular intervals in a non-image display region 12 on one side of the image display unit 6 that is not the image display region 11, for example, along the moving direction of the image display unit 6. By detecting with the detection unit 9a including the unit 13 and the light receiving unit 14, the amount of drawing or storing of the image display unit 6 can be known. The detection accuracy of the pull-out amount or the storage amount can be accurately detected by providing a size and number suitable for the apparatus depending on the size and number of the recesses 18. In FIG. 7, the same effect can be obtained by embedding or pasting a member having a different light reflectance instead of the recess 18.
[0025]
FIG. 8 shows another example of the withdrawal amount detection unit 9. In FIG. 8, the detection hole 16 provided in the gear 15 for moving the image display unit 6 is detected by the detection unit 9a having the light emitting unit 13 and the light receiving unit 14 similar to those in FIG. By counting at 30, the angle at which the gear 15 has moved can be detected, and the amount of drawing or storing of the image display unit 6 can be known. If a sufficient number of detection holes 16 are provided, the accuracy of the detection amount is improved. Further, instead of the detection hole 16, a seal-like material using a material having a different light reflectance may be used.
[0026]
Next, a method for controlling the image information displayed on the image display unit 6 by the display control processing unit 30 according to the extraction amount signal 10 obtained by the extraction amount detection unit 9 will be described with reference to FIG.
[0027]
Usually, the display control processing unit 30 controls image information according to the display area 11 of the image display unit 6 such as an LCD to be displayed. For example, as shown in FIG. 9, when information on 20 characters and 10 lines is to be displayed on the display area 11 to be displayed, the 20th character (hexadecimal: 0013) ) Are sequentially arranged while controlling the arrangement position of the character information so that the next character is a line feed. Then, it is recognized that one page is displayed by displaying 200 characters (hexadecimal number: 00C7) together with information indicating that there are 10 lines, and corresponds to an operation such as page turning by the keyboard 1. In the conventional display device, since the display area 11 is always constant, display control such as the above-described 20 characters × 10 lines is performed by predetermined information.
[0028]
In this embodiment, since the information used for display control as described above can be obtained as the extraction amount signal 10 by the extraction amount detection unit 9, the image display unit 6 extracted from the storage unit 4 can be obtained. Depending on the size of the display area 11, the display control processing unit 30 can transmit image information to the image display unit 6 to display an image.
[0029]
Embodiment 3 FIG.
In this embodiment, when a part of the image display unit 6 is stored in the storage unit 4 provided in the display control processing unit 30, the image information to be displayed is controlled according to the remaining display area 11. Will be described.
[0030]
In the retractable display device, according to the display area 11 of the image display unit 6 arbitrarily set, for example, as shown in FIG. One page can be used to control line feed, page feed, etc. with the keyboard 1, or as shown in FIG. 10 (b), the number of dots of one character can be reduced to 12 dots × 12 dots and 12 characters. X12 lines may be one page.
[0031]
The selection of the number of character dots as described above is detected by the display area 11 to be displayed (for example, the drawing amount of the image display unit designated by the user of the above-described embodiment using the keyboard 1 or the drawing amount detection unit 9). The display control processing unit 30 (see FIG. 6) according to information set in advance according to the (drawing amount of the image display unit), or the character font information selected by the user using the keyboard 1 May be performed by the display control processing unit 30. In this case, the display control processing unit 30 needs to have a plurality of character font data. Further, instead of changing the character font, it is also possible to change the row direction and the column direction as shown in FIG.
[0032]
【The invention's effect】
As described above, in the present invention, the main body, the image display unit that is provided so as to be able to be pulled out from the main body and driven by the transmission signal, and the drawing amount that is the amount by which the image display unit is pulled out from the main body are provided. Extraction amount detection means for detecting, and the other part of the image display unit that is provided in the main body unit and that stores the transmission signal output to the image display unit in accordance with the extraction amount. And a display control processing means for controlling the image display to be performed , so that the image can be displayed even when a part of the image display unit is stored. Since it can be used, it does not impair portability not only when it is not used but also when it is used, and it can be used by automatically displaying it in the image display area of the image display part according to the detected pull-out amount of the image display part. Image can be obtained retractable display device which easily viewable display the in accordance with the Do display area.
[0033]
In the present invention, an operation unit for inputting an instruction related to display control by the user is further provided, and the display control processing means performs display in accordance with a signal from the operation unit. Thus, a retractable display device that can display on the image display unit according to the above instruction can be obtained.
[0034]
Further, in the present invention, since the signal from the operation unit indicates the size of the character to be displayed on the image display unit, the character size can be changed according to the size of the image display area of the image display unit. It is possible to obtain a retractable display device that displays an image in an easy-to-see manner according to a usable display area.
[0035]
In the present invention, the signal from the operation unit further indicates the display direction of the image to be displayed on the image display unit. Therefore, the image display direction can be changed according to the size of the image display area of the image display unit. It is possible to obtain a retractable display device that displays an image in an easy-to-see manner according to a usable display area.
[0037]
According to the present invention, the display control processing means sets the size of the character to be displayed on the image display unit according to the detected drawing amount of the image display unit. A retractable display device can be obtained in which the size of the character is automatically changed according to the width and the image is displayed in an easy-to-see manner according to the usable display area.
[0038]
According to the present invention, the display control processing unit sets the display direction of the image to be displayed on the image display unit according to the detected drawing amount of the image display unit. It is possible to obtain a retractable display device that automatically changes the display direction of an image to be displayed according to the size and displays the image in an easy-to-see manner according to a usable display area.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a usage state of a retractable display device according to an embodiment of the present invention.
FIG. 2 is a perspective view showing an example of a storage unit in the display device of FIG.
FIG. 3 is a perspective view showing another example of the storage unit of the display device of FIG. 1 in particular.
4 is a diagram showing a display example of image information on the display device of FIG. 1. FIG.
FIG. 5 is a side perspective view illustrating a storage state of the image display unit in FIG. 1;
FIG. 6 is a block diagram functionally showing the configuration of a retractable display device according to another embodiment of the present invention.
7 is a diagram illustrating an example of a pull-out amount detection unit 9 in FIG. 6;
FIG. 8 is a diagram illustrating another example of the drawing amount detection unit 9 in FIG. 6;
FIG. 9 is a diagram for explaining a method of controlling image information displayed on the image display unit by the display control processing unit of the present invention.
FIG. 10 is a diagram for explaining another method for controlling image information displayed on the image display unit by the display control processing unit of the present invention;
FIG. 11 is a diagram showing a configuration of a conventional retractable display device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Keyboard (operation part), 2 Image drive part, 4 Storage part, 4a Opening part, 4b guide, 6 Image display part, 8 Code, 9 Pull-out amount detection part, 9a Detection part, 10 Pull-out amount signal, 11 Image display area , 12 Non-image display area, 13 Light emitting part, 14 Light receiving part, 15 Gear, 16 Detection hole, 17 Roller, 18 Recessed part, 19 Support part, 20 Main part, 22 Handle, 30 Display control processing part.

Claims (5)

The main body,
An image display unit provided so as to be able to be pulled out from the main body unit and driven by a transmission signal;
A drawing amount detecting means for detecting a drawing amount that is an amount by which the image display unit is pulled out from the main body;
The transmission signal provided in the main body and output to the image display unit is displayed on the other part of the image display unit, part of which is stored in the main body , according to the amount of extraction. Display control processing means for controlling;
A retractable display device characterized by comprising:   The retractable display device according to claim 1, wherein the image display unit is deformed.   The retractable display device according to claim 2, wherein the image display unit is flexible.   2. The retractable display device according to claim 1, wherein the display control processing unit sets a size of a character to be displayed on the image display unit in accordance with a detected drawing amount of the image display unit.   The retractable display device according to claim 1, wherein the display control processing unit sets a display direction of an image to be displayed on the image display unit in accordance with a detected drawing amount of the image display unit.

Images