ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS

• US 20070182727A1
• Filed: 01/05/2007
• Published: 08/09/2007
• Est. Priority Date: 02/09/2006
• Status: Active Grant

• Current Assignee: Saturn Licensing LLC (Sony Group Corp.)
• Original Assignee: Sanyo Epson Imaging Devices Corporation (Seiko Group)
• Inventors: KOBAYASHI, Shinichi, KIMURA, Fusashi, TSUDA, Atsunari, OKUHARA, Yuki
• Granted Patent: US 9,030,449 B2
• Time in Patent Office: Days
• US Class Current: 345/204
• CPC Class Codes: G09G 2330/06 Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
• CPC Class Codes: G09G 2370/08 Details of image data interface between the display device controller and the data line driver circuit
• CPC Class Codes: G09G 3/3611 Control of matrices with row and column drivers

Abstract

An electro-optical device includes: a display portion that displays images; a power source portion; a converter that has an antenna receiving wireless signals including display controlling signals and image signals from the external based on a wireless transmission method and that converts the wireless signals received from the antenna into wire signals; and a driving circuit that is electrically connected to the power source portion and the converter, respectively, to display the images on the display portion based on the power supplied from the power source portion and the image signals and the display controlling signals output from the converter.

Claims

1. An electro-optical device, comprising:

a display portion that displays images;

a power source portion;

a converter that has an antenna for receiving wireless signals including image signals and display controlling signals from outside based on a wireless transmission method and that converts the wireless signals received via the antenna into wire signals; and

a driving circuit that is electrically connected to the power source portion and the converter respectively, to display the images on the display portion based on the power supplied from the power source portion and the image signals and the display controlling signals output from the converter.

2. The electro-optical device according to claim 1, wherein the converter converts other wire signals output from predetermined circuits to other wireless signals and transmits the other wireless signals to outside via the antenna.

3. The electro-optical device according to claim 1, further comprising a wiring board that is connected to the driving circuit,

wherein the converter is provided on the wiring board.

4. The electro-optical device according to claim 1, wherein the converter is included, as a circuit, in the driving circuit and the antenna extends from the converter to the outside of the driving circuit.

5. The electro-optical device according to claim 1, wherein the driving circuit is provided on the board and the converter is included, as a circuit, in the driving circuit and the antenna extends from the converter of the substrate to a position near the driving circuit.

6. The electro-optical device according to claim 1, wherein the wireless signal is received from outside at the converter using some other frequency band that does not overlap a frequency band used for the external communication according to the wireless transmission method.

7. The electro-optical device according to claim 6, wherein the wireless transmission method is a serial transmission method, and each of the image signals and the display controlling signals is converted into packetized wireless signals by the serial transmission method, so that the reception of the wireless signals is intermittently executed between the external and the converter.

8. The electro-optical device according to claim 1, wherein the power source portion comprises a power source that can be charged by a contact-less-type charging method based on electromagnetic induction;

and a power supply circuit that supplies power obtained from the power source to the converter and the driving circuit.

9. The electro-optical device according to claim 1, further comprising:

a plurality of first wires that are electrically connected to the driving circuit to output data signals from the driving circuit;

a plurality of second wires that are electrically connected to the driving circuit and arranged so as to intersect the plurality of first wires to output scan signals from the driving circuit; and

a plurality of pixel electrodes that are arrange at the intersections of the plurality of first wires and the plurality of second wires and electrically connected to the plurality of first wires,

wherein the display portion corresponds to a region in which the plurality of unit pixel electrodes are disposed.

10. An electronic apparatus, comprising:

a display unit having the electro-optical device of claim 1 mounted thereon; and

a body portion,

wherein the display unit and the body portion are detachably connected to each other by a supporting apparatus mounted on at least any one side of the display unit and the body portion,

wherein the body portion comprises another converter that has another antenna transmitting the wireless signals including the image signals and the display controlling signals between the body portion and the converter in the electro-optical device using the wireless transmission method and that converts other wire signals output from predetermined circuits into wireless signals;

a controlling circuit that generates image signals and display control signals and outputs the image signals and the display control signals to the other converter; and

another power source portion that supplies power to the other converter and the controlling circuit.

11. The electronic apparatus according to claim 10, wherein the other converter receives the other wireless signals transmitted from the other converter in the display unit via the other antenna and converts them into wire signals and outputs the wire signals to the controlling circuit.

12. The electronic apparatus according to claim 10, wherein the other power source portion has a power source that uses a contact-less-type charging method based on electromagnetic induction;

and a power supply circuit that supplies power obtainable from the other power source portion to the other converter and the controlling circuit.

13. An electronic apparatus, comprising:

a display unit having an electro-optical device mounted thereon; and

a body portion,

wherein the display unit and the body portion are detachably connected to each other by a supporting apparatus mounted on at least any one side of the display unit and the body portion,

wherein the electro-optical device comprises the display portion that displays images;

a power source portion;

a converter that has an antenna receiving wireless signals including display control signals and image signals from outside using a wireless transmission method and that converts the wireless signals received via the antenna into wire signals;

a driving circuit that is electrically connected to the power source portion and the converter, respectively, to display the images on the display portion on the basis of the power supplied from the power source portion and the image signals and the electric display controlling signals output from the converter, and

wherein the body portion comprises another converter that has another antenna transmitting the wireless signals including the image signals and the display controlling signals between the body portion and the converter in the electro-optical device using the wireless transmission method and that converts other wire signals output from predetermined circuits into wireless signals;

a controlling circuit that generates the image signals and the display controlling signals and outputs the image signals and the display control signals to the other converter; and

other power source portion that supplies power to the other converter and the controlling circuit.

14. The electronic apparatus according to claim 13, wherein the converter converts the wire signals output from the predetermined circuits into wireless signals and transmits the wireless signals to the outside via the antenna, and the other converter receives the wireless signals transmitted from the converter in the display unit via the other antenna, converts them into wire signals and outputs the wire signals to the controlling circuit.