ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE ELECTRONIC DEVICE

• US 20140292676A1
• Filed: 02/14/2014
• Published: 10/02/2014
• Est. Priority Date: 03/29/2013
• Status: Abandoned Application

• Current Assignee: Japan Display Incorporated
• Original Assignee: Japan Display Incorporated
• Inventors: HAYASHI, Makoto, Yamada, Jouji, Nakagawa, Hirofumi, Yamamoto, Michio, Azumi, Kohei, Mizuhashi, Hiroshi, Ikeno, Kozo, Kida, Yoshitoshi
• Application Number:
  US14/180,595
• Publication Number:
  US 20140292676A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 21/32 using biometric data, e.g. fingerprints, iris scans or voiceprints
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/04182 Filtering of noise external to the device and not generated by digitiser components
• CPC Class Codes: G06F 3/04184 Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/04845 for image manipulation, e.g. dragging, rotation, expansion or change of colour
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: H04M 1/67 by electronic means
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector digitizers for touch screens G06F3/041

Abstract

There is provided a sensor-integrated display device including a display surface from which display information is output and a sensor surface to which operation information is input, the display surface and the sensor surface being formed integrally with the sensor-integrated display device as one piece, a data transfer unit which generates and outputs three-dimensional information (RAW-D) in response to a signal sensed on the sensor surface, and an application executing device having a processing function of generating three-dimensional image data in a plurality of points sensed on the sensor surface, based on the three-dimensional information output from the data transfer unit and computing a touch coordinate, based on the generated image data.

Claims

1. An electronic device comprising:

a sensor-integrated display device including a display surface from which display information is output and a sensor surface to which operation information is input, the display surface and the sensor surface being formed integrally with the sensor-integrated display device as one piece;

a data transfer unit which generates and outputs three-dimensional information in response to a signal sensed on the sensor surface;

an image generation unit which generates three-dimensional image data in a plurality of points sensed on the sensor surface, based on the three-dimensional information output from the data transfer unit; and

a coordinate computation unit which computes a coordinate value of a conductor operated on the sensor surface, based on the image data generated by the image generation unit.

2. The electronic device of claim 1, wherein the three-dimensional information is operation information indicating proximity of the conductor in a point sensed on the sensor surface.

3. The electronic device of claim 1, wherein the data transfer unit transfers the three-dimensional information to the image generation unit in synchronization with display drive timing at which display information is displayed on the display surface.

4. The electronic device of claim 1, wherein the image generation unit and the coordinate computation unit allow different applications to be executed and are provided in an application executing device that is configured by a single semiconductor integrated circuit including a base band engine.

5. The electronic device of claim 1, wherein the image generation unit generates the image data, based on the three-dimensional information of all points sensed on the sensor surface, in synchronization with display drive timing at which display information is displayed on the display surface.

6. The electronic device of claim 1, wherein the coordinate computation unit includes different filters to eliminate noise from the image data, and one of the filters is allowed to be selected by one of a user operation and an application.

7. The electronic device of claim 1, wherein the coordinate computation unit includes different coordinate computation algorithms to obtain an operating position coordinate from the image data, and a set of coordinate computation algorithms is allowed to be selected by one of a user operation and an application.

15. The electronic device of claim 6, wherein the coordinate computation unit includes different coordinate computation algorithms to obtain an operating position coordinate from the image data, and a set of coordinate computation algorithms is allowed to be selected by one of a user operation and an application.

8. A method for controlling an electronic device including a sensor-integrated display device including a display surface from which display information is output and a sensor surface to which operation information is input, the display surface and the sensor surface being formed integrally with the sensor-integrated display device as one piece, the method comprising:

acquiring three-dimensional information generated in response to a signal sensed on the sensor surface;

generating three-dimensional image data in a plurality of points sensed on the sensor surface, based on the acquired three-dimensional information; and

computing a coordinate value of a conductor operated on the sensor surface, based on the generated image data.

9. The method of claim 8, wherein the coordinate value is computed using one of different filters to eliminate noise from the image data, the one of the different filters being selected by one of a user operation and an application.

10. The method of claim 8, wherein the coordinate value is computed using a set of different coordinate computation algorithms to obtain an operating position coordinate from the image data, the set of different coordinate computation algorithms being selected by one of a user operation and an application.

16. The method of claim 9, wherein the coordinate value is computed using a set of different coordinate computation algorithms to obtain an operating position coordinate from the image data, the set of different coordinate computation algorithms being selected by one of a user operation and an application.

11. A method for controlling an electronic device including a sensor-integrated display device including a display surface from which display information is output and a sensor surface to which operation information is input, the display surface and the sensor surface being formed integrally with the sensor-integrated display device as one piece, the method causing a computer to:

acquire three-dimensional information generated in response to a signal sensed on the sensor surface;

generate three-dimensional image data in a plurality of points sensed on the sensor surface, based on the acquired three-dimensional information; and

compute a coordinate value of a conductor operated on the sensor surface, based on the generated image data.

12. The method of claim 11, which causes the computer to compute the coordinate value using one of different filters to eliminate noise from the image data, the one of the different filters being selected by one of a user operation and an application.

13. The method of claim 11, which causes the computer to compute the coordinate value using a set of different coordinate computation algorithms to obtain an operating position coordinate from the image data, the set of different coordinate computation algorithms being selected by one of a user operation and an application.

14. The method of claim 12, which causes the computer to compute the coordinate value using a set of different coordinate computation algorithms to obtain an operating position coordinate from the image data, the set of different coordinate computation algorithms being selected by one of a user operation and an application.