Recording medium, image writing device, storage medium in which image writing program is stored, and image writing method

An image writing device that writes an image on a recording medium,

• the recording medium including
• a first display component that is configured by laminating at least a first photoconductive layer, a first display layer and a light blocking layer, and
• a second display component that is configured by laminating at least a second photoconductive layer and a second display layer,
• wherein
• the first photoconductive layer is disposed between a pair of first electrodes that are translucent, and the electrical resistance of the first photoconductive layer changes in response to light for image writing,
• the first display layer, in response to irradiation of the first photoconductive layer with the light in a state where a predetermined voltage is applied between the first electrodes, changes to a state where the first display layer displays an image corresponding to that light, and the first display layer maintains that state even when application of the predetermined voltage stops,
• the light blocking layer is disposed between the first photoconductive layer and the first display layer,
• the first display component, in response to irradiation with the light for image writing from the first photoconductive layer side, displays an image represented by that light for image writing,
• the second photoconductive layer is disposed between a pair of second electrodes that are translucent, and the electrical resistance of the second photoconductive layer changes in response to light for image writing,
• the second display layer, in response to irradiation of the second photoconductive layer with the light in a state where a predetermined voltage is applied between the second electrodes, changes to a state where the second display layer displays an image corresponding to that light, and the second display layer maintains that state even when application of the predetermined voltage stops, and
• the second display component is joined together with the first display component such that the second photoconductive layer and the first photoconductive layer are in proximity to each other, and the second display component, in response to irradiation with the light for image writing from the second display layer side, displays an image represented by that light for image writing,
• the image writing device comprising:
• a light emitting component that irradiates the recording medium with light for image writing on the basis of image information;
• a switch component that switches the application destination of the predetermined voltage to the first electrodes or the second electrodes;
• and
• a control component that performs control to switch the switch component to the first electrodes side when the light emitting component irradiates the recording medium with the light for image writing for causing an image to be displayed on the first display component and performs control to switch the switch component to the second electrodes side when the light emitting component irradiates the recording medium with the light for image writing for causing an image to be displayed on the second display component.

A storage medium readable by a computer, the storage medium storing a program of instructions executable by the computer to perform a function for writing an image on a recording medium,

• the recording medium including
• a first display component that is configured by laminating at least a first photoconductive layer, a first display layer and a light blocking layer, and
• a second display component that is configured by laminating at least a second photoconductive layer and a second display layer,
• wherein
• the first photoconductive layer is disposed between a pair of first electrodes that are translucent, and the electrical resistance of the first photoconductive layer changes in response to light for image waiting,
• the first display layer, in response to irradiation of the first photoconductive layer with the light in a state where a predetermined voltage is applied between the first electrodes, changes to a state where the first display layer displays an image corresponding to that light, and the first display layer maintains that state even when application of the predetermined voltage stops,
• the light blocking layer is disposed between the first photoconductive layer and the first display layer,
• the first display component, in response to irradiation with the light for image writing from the first photoconductive layer side, displays an image represented by that light for image writing,
• the second photoconductive layer is disposed between a pair of second electrodes that are translucent, and the electrical resistance of the second photoconductive layer changes in response to light for image writing,
• the second display layer, in response to irradiation of the second photoconductive layer with the light in a state where a predetermined voltage is applied between the second electrodes, changes to a state where the second display layer displays an image corresponding to that light, and the second display layer maintains that state even when application of the predetermined voltage stops, and
• the second display component is joined together with the first display component such that the second photoconductive layer and the first photoconductive layer are in proximity to each other, and the second display component, in response to irradiation with the light for image writing from the second display layer side, displays an image represented by that light for image writing,
• the function comprising:
• (a) performing control such that the recording medium is irradiated with light for image writing on the basis of image information;
• and
• (b) performing control such that, when the recording medium is to be irradiated with the light for image writing for causing an image to be displayed on the first display component by (a), a switch component that switches the application destination of the predetermined voltage to the first electrodes or the second electrodes is switched to the first electrodes side and performing control such that, when the recording medium is to be irradiated with the light for image writing for causing an image to be displayed on the second display component by (a), the switch component is switched to the second electrodes side.

A method of writing an image on a recording medium,

• the recording medium including
• a first display component that is configured by laminating at least a first photoconductive layer, a first display layer and a light blocking layer, and
• a second display component that is configured by laminating at least a second photoconductive layer and a second display layer,
• wherein
• the first photoconductive layer is disposed between a pair of first electrodes that are translucent, and the electrical resistance of the first photoconductive layer changes in response to light for image writing,
• the first display layer, in response to irradiation of the first photoconductive layer with the light in a state where a predetermined voltage is applied between the first electrodes, changes to a state where the first display layer displays an image corresponding to that light, and the first display layer maintains that state even when application of the predetermined voltage stops,
• the light blocking layer is disposed between the first photoconductive layer and the first display layer,
• the first display component, in response to irradiation with the light for image writing from the first photoconductive layer side, displays an image represented by that light for image writing,
• the second photoconductive layer is disposed between a pair of second electrodes that are translucent, and the electrical resistance of the second photoconductive layer changes in response to light for image writing,
• the second display layer, in response to irradiation of the second photoconductive layer with the light in a state where a predetermined voltage is applied between the second electrodes, changes to a state where the second display layer displays an image corresponding to that light, and the second display layer maintains that state even when application of the predetermined voltage stops, and
• the second display component is joined together with the first display component such that the second photoconductive layer and the first photoconductive layer are in proximity to each other, and the second display component, in response to irradiation with the light for image writing from the second display layer side, displays an image represented by that light for image writing,
• the method comprising:
• (a) irradiating the recording medium with light for image writing on the basis of image information:
• and
• (b) when the recording medium is to be irradiated with the light for image writing for causing an image to be displayed on the first display component by (a), switching a switch component that switches the application destination of the predetermined voltage to the first electrodes or the second electrodes to the first electrodes side, and when the recording medium is to be irradiated with the light for image writing for causing an image to be displayed on the second display component by (a), switching the switch component to the second electrodes side.