Display device with detection function
First Claim
1. 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 in one direction 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, in one direction, 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; and
a plurality of sensor lines arranged in a direction other than the one direction 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.
2 Assignments
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
11 Claims
-
1. 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 in one direction 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, in one direction, 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 in a direction other than the one direction 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A display device driving method, comprising a step of:
-
performing display scanning and driving adapted to scan and drive, in one direction, a plurality of drive electrodes arranged in the one direction 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 of 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, a scan for the detection scanning and driving starts 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