JPH06258625A - Liquid crystal display device - Google Patents

Abstract

PURPOSE:To improve the visibility and display effect when the liquid crystal display device is constituted by providing a curved display panel by curving the display. panel, formed by filling with a liquid crystal, into a spherical shape and providing specific matrix-shaped electrodes on the opposite surfaces of both substrates. CONSTITUTION:The liquid crystal display device is constituted by curving the display panel 1, formed by filling with the liquid crystal 5 between the opposite substrates, into the spherical shape and providing the X-Y matrix-shaped electrodes 6 and 7 on the opposite surfaces of both the substrates 3 and 4. The display panel 1 is constituted by putting two hemispherical substrates 3 and 4, which slightly differ in diameter, concentrically one over the other. Namely, the hemispherical external substrate 3 and internal substrate 4 which are made of transparent glass substrates, etc., are provided concentrically at a specific interval and the liquid crystal 5 is charged between both the substrates 3 and 4. Then external electrodes 6... and internal electrodes 7 formed out of ITO are provided on the opposite surfaces of both the substrates 3 and 4 while crossing each other almost orthogonally to form X-Y matrix type electrode structure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device having a curved display panel.

[0002]

2. Description of the Related Art A specific example of a liquid crystal display device having a curved display panel as described above is disclosed in, for example, Japanese Patent Laid-Open No. 56-161.
No. 11 publication. In this publication, as shown in FIG. 9, two glass plates 32, 32 enclosing a liquid crystal 31 are provided.
The display panel 34 is formed by bending the polarizing plates 33, 33.

A spherical globe is formed by forming such a display panel 34 into a crescent shape corresponding to the shape between the meridians of the globe and combining these into a spherical shape. In this case, the transparent electrodes 35 provided on the opposite surfaces of the glass plates 32, 32 are provided corresponding to the land shape of the earth, for example, so that the area selected by the operation of the display operation button is displayed brightly. Has become.

[0004]

However, in the above-mentioned device, the transparent electrodes 35 ... Are formed in a predetermined pattern corresponding to the land shape of the earth, for example, so that only a unique display as a globe is possible. In addition, there is a problem that a sufficiently satisfactory display effect cannot be obtained. In addition, since the liquid crystal is a twisted nematic mode using a polarizing plate, it is necessary to rub the substrate at the time of production, and when performing this rubbing treatment on a curved substrate, it is an extremely complicated work. It also has the problem of high costs. Further, in the liquid crystal mode as described above, there is a problem in that sufficient display performance cannot be obtained as a spherical display that is observed from many directions because the viewing angle is narrow at which good visibility is obtained.

The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to improve the visibility and display effect when a curved display panel is provided and configured, and further, An object of the present invention is to provide a liquid crystal display device capable of simplifying the configuration and reducing the manufacturing cost.

[0006]

In order to achieve the above object, in a liquid crystal display device according to claim 1 of the present invention, a display panel formed by enclosing liquid crystal between opposed substrates is curved in a spherical shape. At the same time, XY matrix electrodes are provided on the opposite surfaces of both substrates.

The liquid crystal display device according to a second aspect is the first aspect.
The described device is characterized in that the liquid crystal contains a guest-host type liquid crystal.

A liquid crystal display device according to a third aspect is the first aspect.
The described device is characterized in that the liquid crystal contains a polymer-dispersed liquid crystal.

According to a fourth aspect of the present invention, in the liquid crystal display device according to the first, second or third aspect, both the substrate and the electrode are made of a transparent material, and the reflector is provided on the inner surface side of the inner substrate of the display panel. It is characterized by being provided.

According to a fifth aspect of the present invention, in the liquid crystal display device according to the first, second or third aspect, the outer substrate of the display panel and the electrodes provided on the substrate are made of a transparent material and are provided on the inner substrate. The electrode to be formed is made of a light-reflecting metal.

According to a sixth aspect of the present invention, in the liquid crystal display device according to the first, second or third aspect, the light source is provided in accordance with the position of the center of curvature of the display panel in the space surrounded by the display panel. Both the substrate and the electrodes are made of a transparent material.

A liquid crystal display device according to a seventh aspect is the sixth aspect.
In the device described above, a screen on which light from a light source that passes through the display panel is projected is provided outside the display panel in a shape substantially concentric with the display panel.

The liquid crystal display device according to claim 8 is the device according to any one of claims 1, 2, 3, 4, 5, 6 or 7, wherein at least one electrode of the opposing substrates is arranged in parallel at a predetermined interval. A plurality of electrode lines, a pixel electrode portion provided between the electrode lines, and a switching element provided at a connection portion of each pixel electrode portion to an adjacent electrode line. It is characterized by that.

A liquid crystal display device according to a ninth aspect is the device according to the first, second, third, fourth, fifth, sixth, seventh or eighth aspect, wherein each of the inner and outer substrates of the display panel has a circular opening edge. Along with, electrode terminal portions extending one end side of the electrodes are respectively provided, and electrode terminal portions on the inner substrate and electrode terminals on the outer substrate are alternately provided along a circular opening edge of the display panel. It is characterized by

A liquid crystal display device according to a tenth aspect is the device according to any one of the first, second, third, fourth, fifth, sixth, seventh, eighth and ninth aspects, further comprising a display image control device for sequentially switching at a predetermined time interval. It is characterized by being provided.

[0016]

In the liquid crystal display device according to claim 1,
Since the electrodes are formed in an XY matrix, a display image on a spherically curved display panel can be displayed, for example, from a display image as a globe to a display image as a celestial globe by appropriately selecting electrodes to which a voltage is applied. It is possible to change to etc. Therefore, the display effect is improved as compared with the conventional case where the display image is fixed.

In the liquid crystal display device according to the second and third aspects, a guest-host type liquid crystal or a polymer-dispersed liquid crystal is used as the liquid crystal, and these have small viewing angle dependence and wide good visibility. You can get it over a range,
The display image on the curved display panel can be seen more clearly over the entire area. As a result, the display performance of the spherically curved display panel is improved. Further, when the liquid crystal is a polymer-dispersed liquid crystal like the device according to claim 3, the rubbing treatment is not necessary, and therefore,
Since it is not necessary to perform a complicated work when uniformly performing the rubbing treatment on the entire curved substrate, the manufacturing becomes easy.

In the liquid crystal display device according to claim 4,
Since a reflective plate is provided on the inner surface side of the inner substrate to form a reflective type, it is possible to display almost uniform light and dark over almost the entire curved display panel, and a spherical curved display Good display characteristics on the panel can be maintained.

In the liquid crystal display device according to claim 5,
Since the electrode provided on the inner substrate is constructed as a reflective type made of a light-reflecting metal, substantially the same action as in claim 4 can be obtained, and the inner substrate is made of an opaque material. Is also possible. Therefore, by widening the selection range of materials in this way, it becomes possible to manufacture at a lower cost by selecting a material that is easier to obtain a curved shape than, for example, transparent glass.

On the other hand, when the liquid crystal display device according to the sixth aspect is constructed as a transmissive device, by providing the light source in accordance with the position of the center of curvature of the display panel, the light source is uniformly distributed from the light source to the surroundings. The emitted light is transmitted almost uniformly through the curved display panel. For this reason, it is possible to obtain the uniformity of brightness and darkness over the entire display panel without providing a special light reflection plate or the like around the light source. As a result, it is possible to obtain a uniform and clear image over the entire curved display panel with a simpler configuration.

In the liquid crystal display device according to claim 7,
On the outside of the display panel, a screen having a shape substantially concentric with the display panel is provided, and an image is projected on the screen. Therefore, if the screen is made to have a required size, the display panel itself is It can be a small shape that is easy to manufacture. Therefore, for example, when a transparent glass is used as a substrate, it is difficult to produce a large shape with a predetermined degree of curvature, resulting in a high production cost. Since it does not need to be shaped, it can be manufactured at a lower cost even when obtaining a larger display image.

In the liquid crystal display device according to claim 8,
Since the pixel electrode part that is applied to the electrode of the substrate from the electrode line through the switching element is provided, it is possible to apply a larger voltage only to the pixel electrode part selected for display, which is clearer. It is possible to obtain a clear image. Therefore, this also improves the sharpness when the spherically curved display panel is viewed from multiple directions, and maintains good display characteristics.

In the liquid crystal display device according to claim 9,
For example, by alternately providing the electrode terminal portions on each of the inner and outer substrates along the circular opening edge every ¼ turn, radial overlap does not occur between the electrode terminals of the inner substrate and the outer substrate. In this state, connection for voltage application can be made to all of the ends of the electrodes provided on both substrates. With such a configuration, for example, when a connection for applying a voltage is made to the electrode terminal portion on the inner substrate, the space limitation due to the outer substrate is reduced, and the same applies to the electrode terminal portion on the outer substrate. Therefore, this makes it possible to simplify the electrical connection structure to the electrodes provided in the XY matrix on both substrates.

In the liquid crystal display device according to the tenth aspect of the present invention, the display images on the spherically curved display panel can be sequentially switched at a predetermined time interval. Overlay the cloud images of
Dynamic images can be displayed by switching the images according to the momentary position of the cloud. And by displaying such a display on a spherical display panel,
Since it is a dynamic image display that actually matches the display on the flat panel, more effective display can be performed.

[0025]

【Example】

[Embodiment 1] An embodiment of the present invention will be described with reference to FIGS.
The explanation is based on the following. As shown in FIG. 1, the liquid crystal display device of this embodiment has a hemispherical display panel 1 and a pedestal 2 to which the lower end side of the display panel 1 is fitted.
And are provided.

The display panel 1 is constructed by concentrically stacking two hemispherical substrates having slightly different diameters.
That is, as shown in FIG. 2, a hemispherical outer substrate 3 and an inner substrate 4 each made of a transparent glass plate or the like are concentrically provided at a predetermined interval, and a liquid crystal 5 is provided between both substrates 3 and 4. Is enclosed. Also, on the facing surfaces of both substrates 3 and 4,
Transparent outer electrodes 6 and inner electrodes 7 made of ITO (Indium-Tin Oxide) are provided respectively.

The manufacturing procedure of the display panel 1 having the above structure will be described below. First, on the inner surface (concave surface) of the outer substrate 3,
The above-mentioned ITO is deposited on the entire surface by sputtering. Then, by photolithography, as will be described later, the outer electrodes 6 are formed by patterning into a predetermined electrode pattern. Similarly, the inner electrodes 7 are formed on the outer surface (convex surface) of the inner substrate 4 by filming and patterning ITO.

Thereafter, as shown in FIG. 3, the UV curable resin 8 is applied to the outer periphery of the inner substrate 4 on the lower end side in a strip shape over substantially the entire periphery. The liquid crystal injection port 9 is formed by making a cut at least at one position in the circumferential direction of the UV curable resin 8. Then, after a powdery material (not shown) serving as a spacer is scattered on the outer surface of the inner substrate 4, the lower ends of the outer substrate 3 and the inner substrate 4 are attached to each other with the UV curing resin 8 interposed therebetween. To match. Next, the liquid crystal injection port 9
Then, the liquid crystal 5 including the guest-host type liquid crystal is vacuum-injected,
The display panel 1 is manufactured by performing a process of closing the liquid crystal injection port 9.

The outer electrodes 6 provided on the inner surface of the hemispherical surface of the outer substrate 3 are, as shown in FIG. 4B, linear lines parallel to each other when viewed as a projection on a plane. Is formed. Then, electrode terminal portions 11 for externally applying a voltage to these outer electrodes 6 ...
In the figure, 11 are provided at diagonal positions of the upper left side and the lower right side.

That is, in the figure, the outer electrodes 6 on the left half are connected to the electrode terminal portions 11 provided over the range of the upper left quarter quarter (center angle 90 degrees), while the right half The outer electrodes 6 are connected to the electrode terminal portions 11 provided on the lower right side in the range of ¼ circumference. These electrode terminal portions 11 and 11 are shown in FIG.
As shown in FIG. 5, the circular lower edge of the outer substrate 3 is formed in a shape extending downward by a predetermined height dimension over the range of ¼ circumference as described above.

On the other hand, the inner electrodes 7 provided on the hemispherical outer surface of the inner substrate 4 are also, as shown in FIG.
Similar to the above, when viewed as a projected view on a plane, they are formed so as to be linear lines parallel to each other, and the lower end edge of the inner substrate 4 is shown in FIG. As shown in the drawing, electrode terminal portions 12, 12 each having a shape extending downward by a predetermined height dimension over a range of ¼ circumference are provided at diagonal positions.

The outer substrate 3 and the inner substrate 4 on which the outer electrodes 6 and the inner electrodes 7 are formed as described above,
As shown in FIG. 6, the display panel 1 is manufactured by assembling the electrode terminals 11 and the electrode terminals 12 of the substrates 3 and 4 such that they are alternately positioned every ¼ circumference. As a result, the outer electrodes 6 on the side of the outer substrate 3 and the inner electrodes 7 on the side of the inner substrate 4 are substantially orthogonal to each other over the entire display panel 1, and each of the XY matrix-like electrode structures allows The display surface where each intersection becomes a display pixel,
It is formed over the entire hemispherical surface.

As shown in FIG. 2, a reflective plate 13 is further adhered to the entire inner surface of the inner substrate 4, which constitutes the reflective display panel 1 in this embodiment.

As shown in FIG. 1, the display panel 1 described above is assembled to the pedestal 2 described above. Although not shown, the pedestal 2 includes a control circuit for selectively applying a voltage to the electrode terminal portions 11 and 12 provided at the lower end of the display panel 1, and a display image control device including a microcomputer or the like. Is built in. Then, in accordance with the operation of the operation unit 14 provided on the front surface of the pedestal 2, for example, as shown in the drawing, a display such that the display panel 1 functions as a globe is displayed.

In the above description, the display panel 1 has the XY matrix display system.
In addition to the image display corresponding to the globe as described above, it is possible to switch to the image corresponding to the celestial sphere according to the switching operation on the operation unit 14. further,
By inputting from outside the information corresponding to the movement of clouds on the earth and the position and shape of the object obtained from radar / communication satellites, etc. Then, the display image is automatically switched at a predetermined time interval so that the movement of the cloud and the change of the position / shape of the object are dynamically shown.

As described above, in the liquid crystal display device of the above embodiment, the outer electrodes 6 ... And the inner electrodes 7 ...
-Because it is formed in a Y matrix, the display image on the spherically curved display panel 1 can be changed from a display image as a globe to a display image as a celestial sphere by appropriately selecting electrodes to which a voltage is applied. Can be changed.
Therefore, the display effect is improved as compared with the case where the display image in the conventional device is fixed uniformly.

Further, in the above-mentioned embodiment, the guest-host type liquid crystal is used as the liquid crystal, which has a small viewing angle dependency and can obtain a good visibility over a wide range.
The display image on the curved display panel 1 can be seen more clearly over the entire area, which improves the display performance of the spherically curved display panel 1.

As the liquid crystal, a polymer dispersed liquid crystal (Polym
er Dispersed Liquid Crystal), and in this case, since the viewing angle dependency is small as in the above, good display performance on the curved display panel 1 is maintained, and further, the rubbing treatment is performed. Because it is unnecessary
Manufacturing is easy.

On the other hand, as in the above-described embodiment, the reflective plate 13 is provided on the inner surface of the inner substrate 4 to form a reflective type, so that a substantially uniform light and dark display is achieved over substantially the entire curved display panel 1. Therefore, it is possible to maintain good display characteristics in the curved display panel 1.

By forming the inner electrodes 7 ... With a light-reflecting metal, the display panel 1 can be constructed as a reflection type without providing the above-mentioned reflection plate 13. In this case, the inner substrate 4 can be made of an opaque material, and the range of selection of the material is widened in this way, so that, for example, as compared with transparent glass or the like,
By selecting a material that can easily obtain a curved shape, it is possible to manufacture at a lower cost.

Further, in the above-described embodiment, the electrode terminal portions 11 and 12 of the inner and outer substrates 3 and 4 are ¼ along the circular opening edge of the hemispherical display panel 1.
Both substrates 3 and 4 have a structure in which they are alternately provided for each circumference and do not cause radial overlap between the outer substrate 3 and the inner substrate 4.
Connections for voltage application can be made to all of the ends of the electrodes 6 ... In this way, the electrode terminals 11 and 12 can be connected to each other without being restricted in space by the opposing substrates, so that the entire structure can be made simpler, which makes it cheaper. Can be manufactured. In the above-mentioned embodiment, the circular opening edge of the display panel 1 is divided into four for every 1/4 circumference, and the electrode terminal portions 11 and 12 are alternately provided. The electrode terminal portion 1 of the outer substrate 3 may be divided into multiples or may be divided inappropriately.
1 and the electrode terminal portion 12 of the inner substrate 4 can be configured so as not to overlap in the radial direction.

On the other hand, in the above, for example, a dynamic image can be displayed by superimposing an image of a cloud on the earth on a display as a globe and switching the image depending on the momentary position of the cloud. It is also becoming. Therefore, by performing such a display on the spherical display panel 1, a dynamic image display that is more suitable than the display on the flat panel is actually performed, and the display effect is improved.

[Second Embodiment] The following will describe another embodiment of the present invention with reference to FIG. In addition,
For convenience of explanation, members having the same functions as those of the members shown in the drawings of the above-described embodiments are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 7, the display panel 1 of the present embodiment having a hemispherical shape is configured as a transmissive display panel except for the reflecting plate 13 on the inner side of the inner substrate 4 in the above embodiment. . In this case, the light source 21 is provided so as to be aligned with the center of the pedestal 2 (not shown), that is, the center of the hemispherical display panel 1. Further, in this embodiment, a hemispherical screen 22 is provided outside the display panel 1 concentrically with the display panel 1, and an image formed by the light from the central light source 21 passing through the display panel 1 is displayed. It is configured as a projection type liquid crystal display device using a so-called rear screen for projecting and displaying on 22.

As described above, the display panel 1 is of the transmissive type.
In this case, by providing the light source 21 in accordance with the center position of the display panel 1, light emitted from the light source 21 to the surroundings is transmitted substantially uniformly through the curved display panel 1. Become. Therefore, it is possible to obtain the uniformity of brightness and darkness over the entire display panel 1 without providing a light reflecting plate or the like around the light source 21. As a result, with a simpler configuration, the entire spherical display panel 1 is uniform,
And a clear image can be obtained.

On the other hand, in the above embodiment, the screen 22 is provided outside the display panel 1, and the screen 22 is provided.
Since the image is projected on the display panel 1, the display panel 1 itself can be easily manufactured by setting the screen 22 to a required size. Therefore,
For example, even when the substrates 3 and 4 are made of transparent glass or the like, the display panel 1 itself can be made smaller, so that a device having a large display image can be manufactured at a lower cost.

In the above embodiment, the projection type liquid crystal display device is used as an example.
It is also possible to directly display an image on the transmissive display panel 1 without providing the above, and in this case, a clearer image display can be obtained.

On the other hand, in each of the above-described embodiments, an example is adopted in which the intersections of the outer electrodes 6 and the inner electrodes 7 that intersect each other are used as display pixels to form a so-called simple matrix. However, as shown in FIG. 8, for example, a plurality of electrode lines 25 in which the inner electrodes 7 are arranged in parallel at a predetermined interval, and a pixel electrode portion 26 provided between the electrode lines 25, 25, The switching elements 2 respectively provided at the connection portions of the pixel electrode portions 26 ... To the adjacent electrode lines 25.
It is also possible to have a so-called active matrix electrode structure composed of 7 elements. In this case, the electrode wire 2
5, a voltage is applied to the pixel electrode portion 26 via the switching element 27, but crosstalk between the pixel electrode portions 26 is reduced, so that a larger voltage is applied only to the pixel electrode portion 26 selected for display. Can be applied, and a clearer image can be obtained. Therefore,
This also improves the sharpness when the curved display panel 1 is viewed from multiple directions and improves the display performance.

[0049]

As described above, in the liquid crystal display device according to claim 1 of the present invention, since the electrodes facing each other in the spherically curved display panel are provided in the XY matrix, It is possible to change the display image on the spherically curved display panel by appropriately selecting the electrodes to which voltage is applied, and to improve the display effect compared to the case where the conventional display image is fixed uniformly. There is an effect that can be.

Since the liquid crystal display device according to the second aspect includes the guest-host type liquid crystal in the liquid crystal, the directionality with respect to the visibility of the display panel is small, and the visibility in the curved display panel can be improved. Produce an effect.

Since the liquid crystal display device according to claim 3 includes the polymer-dispersed liquid crystal in the liquid crystal, the directionality with respect to the visibility of the display panel is small, as in the device according to claim 2, and thereby, The visibility of the curved display panel is improved, and the rubbing process is not required, so that the manufacturing is facilitated and the manufacturing cost can be reduced.

Since the liquid crystal display device according to claim 4 is of a reflection type in which a reflection plate is provided on the inner surface side of the substrate inside the display panel, the liquid crystal display device has a substantially uniform brightness over the entire surface of the display panel. It is possible to display, and it is possible to maintain good display characteristics on a curved display panel.

In the liquid crystal display device according to a fifth aspect of the present invention, the electrode provided on the inner substrate of the display panel is made of a light-reflecting metal to be a reflection type.
It is possible to obtain substantially the same effect as the described device, and it is also possible to configure the inner substrate with an opaque material.By widening the selection range of the material in this way, for example, a curved shape can be formed as compared with transparent glass. By selecting a material that is easy to obtain, it is possible to manufacture at a lower cost.

In the liquid crystal display device according to the sixth aspect, the light source is provided in accordance with the position of the center of curvature of the display panel in the space surrounded by the display panel, and the liquid crystal display device is of a transmissive type. The light emitted to the display device will pass through the curved display panel almost uniformly. Therefore, it is possible to obtain the brightness uniformity over the entire display panel without providing a light reflecting plate or the like around the light source. As a result,
With a simpler configuration, it is possible to obtain a uniform and clear image over the entire curved display panel.

In the liquid crystal display device according to the seventh aspect, since the screen on which the light from the light source that transmits the display panel is projected is provided outside the display panel in a shape substantially concentric with the display panel. Even when obtaining a larger display image, the display panel itself does not need to be large. Therefore, it is possible to suppress an increase in manufacturing cost when the display panel is manufactured in a large shape, and it is possible to manufacture the display panel at a lower cost.

According to another aspect of the liquid crystal display device of the present invention, at least one electrode of the substrates facing each other has a plurality of electrode lines arranged in parallel at a predetermined interval, and a pixel electrode portion provided between the electrode lines. , Each pixel electrode part is formed with a structure having a switching element respectively provided in a connection part to an adjacent electrode line, whereby a larger voltage is applied to the pixel electrode part to obtain a clearer image. Since it is possible to improve the sharpness when viewing a spherical display panel from multiple directions,
This has the effect of maintaining good display characteristics.

In the liquid crystal display device according to the ninth aspect, since the electrode terminal portion on the inner substrate and the electrode terminal portion on the outer substrate are alternately provided along the circular opening edge of the display panel, X- Electrical connection can be made to all the electrodes arranged in the Y matrix without being restricted by the space between the facing substrates. Therefore, there is an effect that the whole structure becomes simpler and the manufacturing cost can be made cheaper.

The liquid crystal display device according to claim 10 is further provided with a display image control device for sequentially switching the display image on the display panel at a predetermined time interval, whereby a dynamic image such as a movement of clouds on the earth is provided. Since such a display can be displayed as a more appropriate display, the display effect is improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of a liquid crystal display device according to an embodiment of the present invention.

FIG. 2 is an enlarged schematic sectional view of a display panel in the liquid crystal display device.

FIG. 3 is a perspective view of an inner substrate in a manufacturing process of the display panel.

4A and 4B show shapes of outer electrodes provided on the inner surface of the outer substrate of the display panel, wherein FIG. 4A is a perspective view of the outer substrate, and FIG. 4B is a circular opening of the outer substrate. It is a bottom view seen from the end side.

5A and 5B show the shape of an inner electrode provided on the outer surface of the inner substrate, wherein FIG. 5A is a perspective view of the inner substrate, and FIG. 5B is a diagram showing the inner substrate from the circular opening end side. It is the bottom view seen.

FIG. 6 is a bottom view seen from the circular opening end side of the display panel showing the assembled state of the outer substrate and the inner substrate.

FIG. 7 is a perspective view showing a schematic configuration of a liquid crystal display device according to another embodiment of the present invention.

FIG. 8 is a schematic view showing an electrode structure provided on an inner substrate in still another embodiment of the present invention.

FIG. 9 is a schematic sectional view of a display panel in a conventional liquid crystal display device.

[Explanation of symbols]

 1 Display Panel 3 Outer Substrate 4 Inner Substrate 5 Liquid Crystal 6 Outer Electrode 7 Inner Electrode 11/12 Electrode Terminal 13 Reflector 21 Light Source 22 Screen 25 Electrode Line 26 Pixel Electrode 27 Switching Element

Claims (10)

[Claims] 1. A display panel in which liquid crystal is sealed between opposed substrates is curved in a spherical shape, and XY matrix-shaped electrodes are provided on opposite surfaces of both substrates. Liquid crystal display device. 2. The liquid crystal display device according to claim 1, wherein the liquid crystal contains a guest-host type liquid crystal. 3. The liquid crystal display device according to claim 1, wherein the liquid crystal contains a polymer-dispersed liquid crystal. 4. The substrate and the electrode are both made of a transparent material, and a reflecting plate is provided on the inner surface side of the substrate inside the display panel.
2. The liquid crystal display device according to 2 or 3. 5. The outer substrate of the display panel and the electrodes provided on the substrate are made of a transparent material, and
The liquid crystal display device according to claim 1, wherein the electrode provided on the inner substrate is made of a light-reflecting metal. 6. The light source is provided according to the position of the center of curvature of the display panel in the space surrounded by the display panel, and the substrate and the electrode are both made of a transparent material. 2. The liquid crystal display device according to 2 or 3. 7. A screen on which light from a light source passing through the display panel is projected is provided outside the display panel in a shape substantially concentric with the display panel. The described liquid crystal display device. 8. At least one electrode of the opposing substrates, a plurality of electrode lines arranged in parallel at a predetermined interval, a pixel electrode portion provided between the electrode lines, and adjacent electrodes in each pixel electrode portion. 8. The liquid crystal display device according to claim 1, wherein the liquid crystal display device is formed to have a structure having a switching element provided at each connection portion to the corresponding electrode line. 9. An electrode terminal portion for extending one end side of an electrode is provided along each circular opening edge of the inner substrate and the outer substrate of the display panel, and the electrode terminal portion and the outer portion of the inner substrate are provided. 9. The electrode terminal portions on the substrate are alternately provided along the circular opening edge of the display panel.
The described liquid crystal display device. 10. A display image control device for sequentially switching display images on the display panel at predetermined time intervals is further provided.
The liquid crystal display device according to 5, 6, 7, 8 or 9.