Display device and manufacturing method thereof
View Patent ↗A display panel which can be applied to a display device comprises a first substrate, a second substrate and a display element layer. The first substrate has a structure in which a device layer is stacked on an insulating substrate via a first conductive layer. A device layer has at least, a pixel electrode and a wiring that are connected to a pixel switch. The second substrate includes a second conductive layer that is provided so as to face the pixel electrode arranged on the above first substrate. A display element layer is interposed between the above first substrate and the above second substrate.
1. A display device that displays information by controlling reflection and transmission of incident light from outside of the device constructed by facing a first substrate having a device layer which is formed to drive a plurality of display elements and a second substrate opposing said first substrate so as to sandwich said device layer in between said first and second substrates comprising:
said first substrate having said device layer which is stacked on an insulating substrate above a first conductive layer and on which a pixel electrode having a pixel switch connected with said device layer and wirings that are arranged so as to correspond to a plurality of display pixels; and
said second substrate on which a second conductive layer is provided so as to face said pixel electrode arranged on said first substrate;
wherein a major part of a control signal cycle driving said display elements stays in an OFF state, and said first conductive layer and said second conductive layer are electrically connected and applied a specific electric potential such that an electric charge generated on the first conductor is discharged.
2. The display device according to claim 1 , wherein the electric potential of said first conductive layer and the electric potential of said second conductive layer are set to the same value at the time of image non-update.
3. The display device according to claim 2 , wherein said first conductive layer and said second conductive layer are connected to a ground potential at the time of image non-update.
4. The display device according to claim 1 , wherein said first conductive layer is formed of a conductive adhesive material.
5. The display device according to claim 1 , wherein said first conductive layer is formed of a conductive thin film electrode.
6. The display device according to claim 1 , wherein said first conductive layer is a storage capacity electrode for holding a capacitive component between said pixel electrode of said device layer and the first conductive layer.
7. The display device according to claim 1 , wherein said insulating substrate has flexibility.
8. The display device according to claim 1 , wherein a plurality of display elements with a memory capability are arranged in said display element layer.
9. The display device according to claim 8 , wherein said display element layer includes an electrophoresis display element.
10. The display device according to claim 1 , wherein said first substrate or said second substrate includes a color filter.
11. The display device according to claim 1 , wherein said display device comprises input means for inputting desired image data on a surface of said first substrate or said second substrate arranged on the viewing side of said display element layer.
12. The display device according to claim 1 , wherein the first conductor layer is a shielding layer that prevents electric field induced by a voltage applied to the wirings of the plurality of display pixels from leaking to the first substrate layer.