Luminous disk

Details Luminous disk Luminous disk

1999-09-20

2001-08-28

Evans, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S457000, C428S690000, C428S913000, C430S270110, C430S495100, C430S945000, C369S283000, C369S288000

Reexamination Certificate

active

06280809

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a luminous disk, more particularly to an optical disk that one side thereof is capable of storing digital data while the other side thereof is capable of emitting light.
2. Description of the Prior Art
Optical disks extensively serve as storage medium for storing video or audio data. One side of the optical disk serves as a readable side being read out data by a laser light, and is usually covered by a transparent protective layer. The other side of the optical disk is usually provided with various printed patterns indicating information concerning the optical disk, such as title and content, and for decorating the appearance of the optical disk.
Even though advertising techniques are progressing, it has been difficult to establish surface printing style that makes a deep impression on the customer. The pattern presented on the surface of the optical disk also has such a drawback and becomes particularly apparent in light of its attribution of serving as a medium for video and audio.
SUMMARY OF THE INVENTION
The object of this invention is to provide a luminous disk so as to increase the application value of the optical disk and thus to provide a multi-use disk.
To achieve the above object, the luminous disk in accordance with this invention comprises a disk lamination including a flat substrate and a metallic reflecting layer formed on one side plane of the substrate; and a light emitting lamination, superposed on one side of the metallic reflecting layer opposite to the substrate, for emitting light upon reception of an applied external electrical signal, including an electroluminescence section having a first side plane and an opposite second side plane, which can luminesce in case the external electrical signal is applied on the first and the second side planes; and a biasing section for receiving and applying the external electrical signal onto the first and the second side planes of the electroluminescence section.
By means of the above luminous disk, the optical disk will increase its value in application or reserve due to its light emitting function. For example, the optical disk can serve as a light emitting element when it is not being played, such as a reflecting elements for road, a signboard, an indoor lighting element, an alarm light, or a decorating light. The optical disk can also be simultaneously lighted and played by using an appropriate arrangement to increase its added value.
Moreover, the light emitting landnation can also be properly modified so as to present a light of particular shape, in partial disk surface, or of different colors. Furthermore, the optical disk can also periodically emit light in a cooperation with a proper driving device. Therefore, the disk according to this invention will provide an essential element for various applications and thus increase the value of the disk.


REFERENCES:
patent: 5608715 (1997-03-01), Yokogawa
patent: 6160346 (2000-12-01), Vlegger

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