JPH01237984A - Information recording disk - Google Patents

Abstract

PURPOSE:To display a character, a graphic, etc., at the time of non-reproduction without being hindered from reproduction by providing a liquid crystal display element capable of displaying the character, the graphic, etc., at the recording body for recording and a driving device to display and operate the liquid crystal display element. CONSTITUTION:A disk substrate 4 is circular and a through hole 6 for rotation is pierced at a circle center. At the substrate 4, a protecting layer 10 is provided on a recording thin film 8 to record information. On the surface of the substrate 4, a liquid crystal display element 12 capable of displaying the character, graphic, etc., is provided. The top of the element 12 is covered with the protecting layer 14. The element 12 is connected electrically through power sources 18 and 20 to a solar battery 16 which is a driving device. The solar battery 16 is provided on the concentric belt shape of the circle center of the substrate 4. Thus, respective types of display can be executed by the liquid crystal display element of a recording body.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an information recording disk, and more particularly to an information recording disk in which a recording medium for recording information is provided with a liquid crystal display element capable of displaying characters, figures, etc.

[Conventional technology]

This type of information recording disk consists of a recording medium for recording information, and for example, a compact disk is known. Such a compact disc (hereinafter abbreviated as rCD) has various markings on its surface, but no markings on its recording/reproducing surface. This is because the information recorded on the recording medium is optically read out from the reproduction surface, and such display interferes with the current MlR output.

Therefore, no member that would interfere with optical reading was placed on the playback surface of the CD.

[Problem to be solved by the invention] Nowadays, however, those who use CDs have even higher demands, and there is a growing demand for displaying characters, figures, etc. on the playback surface of CDs. There is.

The present invention was made to solve the problems of the Tsurugi technology, and aims to provide an information recording disc that can display characters and circles on various surfaces of a CD, especially on the playback surface.

[Means for Solving the Problems] In order to achieve the above object, an information recording disk according to the present invention is provided with a liquid crystal display element capable of displaying characters, figures, etc. on a recording medium for recording information. It is characterized by:

Further, another information recording disk of the present invention is provided with a liquid crystal display element capable of displaying characters, figures, etc. disposed on a recording medium for recording information, and a driving means for driving the liquid crystal display element to perform a display operation. It is characterized by:

[Effect]

The information recording disk of the present invention configured as described above has a liquid crystal display element capable of displaying characters, figures, etc. on the recording medium for recording information, so that various types of display can be performed.

Further, another information recording disk of the present invention has a structure in which a liquid crystal display element is disposed on the reproduction surface of the information recording medium to be able to display characters, figures, etc., and this liquid crystal display element is driven by a driving means. , display characters and figures.

According to the present invention, various displays can be performed using the liquid crystal display element of the recording medium.

C Example] Hereinafter, one embodiment of the present invention will be described based on the drawings.

1 to 3 are shown to explain the first embodiment of the present invention, and FIG. 1 is a front view showing an example of the first embodiment of the information recording disk according to the present invention, and FIG. The figure is from the same page.
FIG. 3 is a sectional view taken along line U-n of the embodiment of FIG.
FIG. 2 is a circuit diagram showing the electrical connection relationship of the embodiment.

The information recording disk 2 shown in these figures is constructed as follows. That is, the recording medium has a circular shape, and various types of recording are made on it.

The recording medium includes a disk base material 4, a recording thin film 8, a protective layer 10, etc., and the details thereof will be explained below.

A disk base material 4 constituting a part of this recording medium has a circular shape, and a rotation hole 6 is bored in the center of the circle. A recording thin film 8 on which information is recorded is provided on the disk base material 4 in the form of a disk concentric with the center of the circle. On top of this recording thin film 8, a retainer 31N10 is provided. A liquid crystal display element 12 capable of displaying characters, figures, etc. is disposed on the surface of the disk base material 4. The liquid crystal display element 1
2 is covered with a protective layer 14.

This liquid crystal display element 12 has a solar cell 16 which is a driving means.
is electrically connected to via electric wires 18 and 20. The solar cell 1G is provided in a concentric band shape with the circular center of the disk base material 4.

The solar cells 16 are arranged in a concentric band shape within a clamping area 22 that clamps the information recording disk 2 during reproduction.

In the embodiment configured in this manner, display is performed using electric power from the solar cell 1G.

According to this embodiment, the information is displayed on the surface of the information recording disk 2 by a liquid crystal display element.

Next, a second embodiment of the present invention will be described. This second embodiment basically has almost the same structure as the first embodiment shown in FIG. 1, and a paper battery is provided in place of the solar battery 16 of the driving means. .

In this case, since the present embodiment is in a constant display state,
The liquid crystal display element 12 cannot be provided on the reproduction surface of the recording medium (it can be provided on another surface other than the reproduction surface).

FIG. 4 is an explanatory diagram showing a third embodiment of the present invention.

This third embodiment is constructed by the structure shown in FIG. 4 and the first embodiment shown in FIGS. 1 to 3.

In this third embodiment, the liquid crystal display element 12 is provided on the reproduction surface side of the recording medium as shown in FIG.
It is composed of 4. The solar cell I6 provided in the recording medium described above as shown in FIG. Since it is not covered by the clamper 24 except during reproduction, it is configured to output electric power.

According to this embodiment, during reproduction, since the clamping area 22 of the information recording disk 2 is sandwiched between the clampers 23, no light is supplied to the solar cell 14, and therefore no power is output.

Therefore, the liquid crystal display element 12 transmits light and does not affect the reproduction of information in any way.

In addition, since the clamping area 22 of the information recording disk 2 is not clamped in any way other than during playback, the solar cell 1
4 is supplied with light, which results in the output of electric power. According to such an embodiment, predetermined characters, figures, etc. are displayed during normal storage.

Furthermore, a fourth embodiment of the present invention will be described. This fourth embodiment is an application example in which the drive means is composed of a paper battery, and the output of the paper battery is transferred to a clamper 24.
This device is equipped with a switch means for turning off the power when the power is turned off. If this embodiment is adopted, the same operation and effect as the embodiment shown in FIG. 4 will be achieved.

FIG. 5 is a sectional view showing a fifth embodiment of the present invention.

In FIG. 5, the same components as in each of the above-mentioned embodiments are given the same reference numerals and explained.

The fifth embodiment shown in FIG. 5 differs from the first embodiment described above in that the information recording disk 2' is not provided with a solar cell 16 and is concentric with the clamping area 22 where the solar cell 16 is provided. Two electrodes 30 and 32 are provided in a strip shape,
A liquid crystal display element I2 is connected to these electrodes 30 and 32 via electric wires 18 and 20.

According to this fifth embodiment, by applying electric power to the electrodes 30 and 32 from the driving means, a liquid crystal display can be performed.

FIG. 6 is an explanatory diagram showing a driving means used in a sixth embodiment of the present invention.

The sixth embodiment is constituted by the driving means of the sixth section and the embodiment of FIG. 5.

FIG. 6 shows a transparent case 34 that houses the information recording disk 2'.A small battery 36 is removably installed in the transparent case 34, and the electrode 36 of the information recording disk 2' Contact electrodes 38.40 are attached to the transparent case 34 so as to be able to contact the battery 36 with the wire 42.
．． 44.

The operation of the sixth embodiment will be explained.

In this embodiment, when the information recording disk 2' is housed in the transparent case 34, the contact electrode 38 of the transparent case 34
．． 40, and electrodes 30 and 32 of the information recording disk 2'.
are in contact with each other, and as a result, the battery 36 and the liquid crystal display element 1
2, a loop is formed via the electric wires 42, 44, the contact electrodes 38, 40, the electrodes 30, 32, and the electric wire 18, 20. As a result, the liquid crystal display element 12 has
Power will be supplied from the battery 36, and characters, figures, etc. will be displayed within the transparent case 34 as in the above embodiment.

Meanwhile, the information recording disk 2' is inserted into the transparent case 34.
When the information recording disk 2' is taken out, no power is supplied to the liquid crystal display element 12 of the information recording disk 2', so the liquid crystal display element 12 becomes transparent and information can be reproduced.

According to such an embodiment, predetermined characters, figures, etc. are displayed during normal storage. Further, according to this embodiment, the structure is simplified.

In each of the above-mentioned embodiments, by applying a voltage to the liquid crystal display element 12, parts such as characters become opaque and are displayed in this way, but the present invention is not limited to this. The display may be made opaque by application.

In another embodiment, the liquid crystal display element 12 may be provided on all sides of the information recording disk 2, thereby making it possible to display various types of information.

〔Effect of the invention〕

As described above, the present invention has the advantage that display is performed by a liquid crystal display element on the surface of the recording medium of the f# information recording disk.

Further, according to the present invention, there is an effect that display is performed by the liquid crystal display element on the surface of the recording body of the information recording disk by the driving means.

Furthermore, according to the present invention, when a liquid crystal display element is provided on the reproducing surface of an information recording disk, characters, figures, etc. can be displayed during non-reproduction without any interference with reproduction due to the actuation of the driving means. It has the effect of becoming.

[Brief explanation of the drawing]

Fig. 1 is a front view showing the first embodiment of the present invention, Fig. 2 is a sectional view showing the first embodiment along the line ■-■, and Fig. 3 is a front view showing the first embodiment of the present invention. FIG. 4 is a circuit diagram showing an electric circuit; FIG. 4 is an explanatory diagram showing the state during reproduction of the third embodiment of the present invention; FIG.
This figure is a sectional view showing the fifth embodiment of the present invention, and FIG. 6 is a side view showing the driving means used in the sixtieth embodiment of the present invention. 2.2'... Information recording disk, 12... Liquid crystal display element, 16... Solar cell (driving means), 24... Clamper (driving means) 36... Battery (driving means). Agent Patent Attorney Tomo Murakami - Figure 1 Wataru - Machi π - Do2 Figure 3 Figure 5 Figure 6

Claims (5)

[Claims] (1) An information recording disk characterized in that a liquid crystal display element capable of displaying characters, figures, etc. is arranged on a recording medium for recording information. (2) An information recording disk characterized by being provided with a liquid crystal display element capable of displaying characters, figures, etc. arranged on a recording medium for information recording, and a driving means for driving the liquid crystal display element into display operation. (3) When the liquid crystal display element disposed on the recording body is provided on the reproduction surface side of the recording body, the driving means is capable of transmitting light through the liquid crystal display element during reproduction of the recording body. 3. The information recording disk according to claim 1, wherein the information recording disk is configured to be driven as follows. (4) The information recording disk according to claim 2 or 3, wherein the driving means is provided on the recording body. (5) The information recording disk according to claim 2 or 3, wherein the driving means is provided outside the recording medium.