DISPLAY DEVICE AND DRIVING METHOD
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein is a display device, including: a display surface; a display functional layer adapted to control the display of a screen viewed from outside the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive, in the one direction, the plurality of drive electrodes, and also operable to perform, a plurality of times and for M display screens, detection scanning and driving adapted to continuously scan and drive all or part of the plurality of drive electrodes within the period of time; and a plurality of sensor lines arranged in a direction other than the one direction to be separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the drive control section performs the detection scanning and driving.
-
Citations
18 Claims
-
1-14. -14. (canceled)
-
15. A display device, comprising:
-
a display surface; a display functional layer adapted to control the display of information that is viewable from outside the display surface; a plurality of drive electrodes arranged separate from each other on a surface facing the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive the plurality of drive electrodes, and a detection drive section for detection scanning and driving adapted to scan and drive all or part of the plurality of drive electrodes, where N is a number of display screen display scan operations and M is a number of detection scan operations, N and M are arbitrary natural numbers which satisfy the condition N<
M; anda plurality of sensor lines arranged separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the detection drive section performs the detection scanning and driving, wherein when the display scanning and driving is performed starting from the first one of the plurality of drive electrodes on one side to the last one on the other side, the detection drive section begins its scan for the detection scanning and driving starting from a drive electrode next to the first one on one side, from where the display scanning and driving begins, in the scanning direction or beyond.
-
-
16. A display device, comprising:
-
a display surface; a display functional layer adapted to control the display of information that is viewable from outside the display surface; a plurality of drive electrodes arranged separate from each ocher on a surface facing the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive the plurality of drive electrodes, and a detection drive section for detection scanning and driving adapted to scan and drive all or part of the plurality of drive electrodes, where N is a number of display screen display scan operations and M is a number of detection scan operations, N and M are arbitrary natural numbers which satisfy the condition N<
M; anda plurality of sensor lines arranged separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the detection drive section performs the detection scanning and driving, wherein when one cycle of the detection scanning and driving ends followed by a next cycle thereof while the detection scanning and driving is performed a plurality of times during one screen display period, the detection drive section determines, according to a position of a drive electrode subjected to the most recent display scanning and driving of all the plurality of drive electrodes, whether to begin the next cycle of detection scanning and driving starting from a drive electrode next to the drive electrode subjected to the most recent display scanning and driving in the scanning direction or beyond or starting from the first one on one side from where the display scanning and driving begins. - View Dependent Claims (17)
-
-
18. A display device driving method, comprising a step of:
-
performing display scanning and driving adapted to scan and drive a plurality of drive electrodes arranged separate from each other on a surface facing a display surface whose screen is viewed externally, and performing detection scanning and driving of the same plurality of drive electrodes for sensor detection adapted to detect the change in capacitive coupling as a result to the approach of an object to be detected from a plurality of sensor lines that are capacitively coupled to the plurality of drive electrodes, wherein the step is performed a plurality of times, where N is a number of display screen display scan operations and M is a number of detection scan operations and where N and M are arbitrary natural numbers which satisfy the condition N<
M, and whereinwhen the display scanning and driving is performed starting from the first one of the plurality of drive electrodes on one side to the last one on the other side, its scan for the detection scanning and driving starting from a drive electrode next to the first one on one side, from where the display scanning and driving begins, in the scanning direction or beyond.
-
Specification