KR-102963974-B1 - ELECTRONIC DEVICE

KR102963974B1KR 102963974 B1KR102963974 B1KR 102963974B1KR-102963974-B1

Abstract

An electronic device according to one embodiment of the present invention is driven by a driving frequency including a first driving frequency and a second driving frequency lower than the first driving frequency, and includes a display layer that displays an image in frame units, a sensor layer that is driven in report rate units to which a first touch signal is provided, a display driving unit that generates a vertical synchronization signal and controls the display layer, and a control unit that controls the sensor layer, wherein the frame includes an effective section in which the vertical synchronization signal is transmitted and a blank section in which the vertical synchronization signal is not transmitted, and the control unit calculates the driving frequency of the display layer based on the vertical synchronization signal and changes the period of the report rate based on the driving frequency, and the control unit may provide the first touch signal in the report rate in multiple numbers when the driving frequency is changed from the first driving frequency to the second driving frequency.

Inventors

이순규

Assignees

삼성디스플레이 주식회사

Dates

Publication Date: 20260513
Application Date: 20211213

Claims (20)

A display layer that is driven by a driving frequency including a first driving frequency and a second driving frequency lower than the first driving frequency, and displays an image in frame units; A sensor layer disposed on the above-mentioned display layer and driven in units of a report rate at which a first touch signal is provided, comprising a plurality of first electrodes each extending in a first direction and receiving the first touch signal, and a plurality of second electrodes each extending in a second direction intersecting the first direction and transmitting a second touch signal; A display driving unit that generates a vertical synchronization signal and controls the display layer; and It includes a control unit that controls the sensor layer above, and The above frame includes a valid section in which the vertical synchronization signal is transmitted and a blank section in which the vertical synchronization signal is not transmitted, and The control unit calculates the driving frequency of the display layer based on the vertical synchronization signal, and changes the period of the report rate based on the driving frequency, and The control unit provides a plurality of first touch signals to the report rate when the driving frequency is changed from the first driving frequency to the second driving frequency, and The above report rate includes a first section overlapping with the above effective section and a second section overlapping with the above blank section, and The second weight of the second touch signal obtained in the second section is greater than the first weight of the second touch signal obtained in the first section, and The above control unit is an electronic device that calculates touch coordinates based on the second touch signal, the first weight, and the second weight.
In Article 1, The above plurality of first touch signals are electronic devices provided in the above second section.
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In Article 1, The above control unit is an electronic device that moves the first touch signal to a second interval within the report rate.
In Article 1, The above image includes a first image and a second image different from the first image, and In the above display layer, a first display area in which the first image is displayed and a second display area in which the second image is displayed are defined, and In the sensor layer, a first region overlapping with the first display region and a second region overlapping with the second display region are defined, and An electronic device in which the first area is provided with more of the first touch signal than the second area.
In Article 5, The first image above includes an image for controlling the second image, and The above second image is an electronic device that displays based on an external first input that overlaps with the above image.
In Article 5, An electronic device in which the first sensing frequency of the report rate of the first display area is greater than the second sensing frequency of the report rate of the second display area.
In Article 1, The sensor layer detects a first input provided from the outside, and In the sensor layer above, a first sensing area overlapping with the first input and a second sensing area not overlapping with the first input are defined, and An electronic device in which more of the first touch signals are provided to the first sensing area than to the second sensing area.
In Article 8, The first sensing area is continuously variable in response to the movement of the first input, and The above control unit is an electronic device that provides the first touch signal in response to a change in the first sensing area.
In Article 1, In the display layer, a first region where the image is not displayed and a second region adjacent to the first region are defined, and An electronic device in which, when the image is displayed only in the second area, the control unit transmits the first touch signal to the plurality of second electrodes and receives the second touch signal from the plurality of first electrodes.
A display layer that displays an image in frame units driven by a driving frequency, and has a first display area and a second display area adjacent to the first display area defined therein; A sensor layer disposed on the above display layer, wherein a first region overlapping with the first display area and a second region overlapping with the second display area are defined, and which is driven in units of a report rate; and It includes a control unit that transmits a first touch signal to the sensor layer and receives a second touch signal different from the first touch signal from the sensor layer. More of the first touch signals are provided in the first area than in the second area, and The sensor layer comprises a plurality of first electrodes and a plurality of second electrodes that are insulatedly crossed from each of the plurality of first electrodes, and When the image is displayed in the first display area and the second display area, the control unit transmits the first touch signal to the plurality of first electrodes and receives the second touch signal from the plurality of second electrodes. An electronic device in which, when the image is displayed only in the second display area, the control unit transmits the first touch signal to the plurality of second electrodes and receives the first touch signal from the plurality of first electrodes.
In Article 11, An electronic device in which the second sensing frequency of the report rate provided in the second display area is smaller than the first sensing frequency of the report rate provided in the first display area.
In Article 11, The above image includes a first image and a second image that is more dynamic than the first image, and An electronic device in which the first image is displayed in the first display area and the second image is displayed in the second display area.
In Article 11, The sensor layer detects a first input provided from the outside, and The first region overlaps with the first input, and the second region does not overlap with the first input, and The above first region is an electronic device that is continuously variable in response to the movement of the above first input.
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In Article 11, The above-mentioned display layer is folded along a folding axis extending in a first direction, and Each of the plurality of first electrodes extends in a second direction intersecting the first direction, and the plurality of first electrodes are spaced apart from each other in the first direction. An electronic device in which each of the plurality of second electrodes extends in the first direction and the plurality of second electrodes are spaced apart from each other in the second direction.
In Article 11, The above driving frequency includes a first driving frequency and a second driving frequency lower than the first driving frequency, and The above frame includes an effective section and a blank section provided continuously to the effective section, and The above control unit is an electronic device that transmits the first touch signal multiple times in a section overlapping with the blank section of the report rate when the driving frequency changes from the first driving frequency to the second driving frequency.
In Article 17, The second weight of the second touch signal obtained in the section overlapping with the blank section is greater than the first weight of the second touch signal obtained in the section overlapping with the valid section, and The above control unit is an electronic device that calculates touch coordinates based on the first weight, the second weight, and the second touch signal.
In Article 17, The above control unit is an electronic device that moves the first touch signal, which is placed in a first section overlapping with the effective section within the report rate, to a second section overlapping with the blank section.
A display layer driven by a driving frequency including a first driving frequency and a second driving frequency lower than the first driving frequency, displaying an image in frame units, and having a first display area and a second display area adjacent to the first display area defined therein; A sensor layer disposed on the above display layer and driven in units of a report rate for which a first touch signal is provided, comprising a plurality of first electrodes for receiving the first touch signal and a plurality of second electrodes for transmitting a second touch signal, wherein a first sensing area corresponding to the first display area and a second sensing area corresponding to the second display area are defined; and It includes a control unit that controls the sensor layer above, and The above frame includes a valid section in which a vertical synchronization signal is transmitted and a blank section in which the vertical synchronization signal is not transmitted, and The control unit calculates the driving frequency of the display layer based on the vertical synchronization signal, and changes the report rate based on the driving frequency, and When the driving frequency is changed, the control unit transmits the first touch signal multiple times to the report rate and provides more of the first touch signals to the first detection area than to the second detection area. The above report rate includes a first section overlapping with the above effective section and a second section overlapping with the above blank section, and The above control unit is an electronic device that moves the first touch signal to a second interval within the report rate.

Description

ELECTRONIC DEVICE The present invention relates to an electronic device with improved touch reliability. Multimedia electronic devices such as televisions, mobile phones, tablet computers, navigation systems, and game consoles are equipped with electronic devices for displaying images. In addition to conventional input methods such as buttons, keyboards, and mice, these electronic devices may be equipped with a sensor layer capable of providing a touch-based input method that allows users to easily and intuitively input information or commands conveniently. FIG. 1 is a perspective view of an electronic device according to one embodiment of the present invention. FIG. 2a is a perspective view illustrating an unfolded state of an electronic device according to one embodiment of the present invention. FIG. 2b is a perspective view illustrating the in-folding process of the electronic device shown in FIG. 2a according to one embodiment of the present invention. FIG. 3a is a perspective view showing the unfolded state of an electronic device according to one embodiment of the present invention. FIG. 3b is a perspective view showing the in-folding process of the electronic device illustrated in FIG. 3a according to one embodiment of the present invention. FIG. 3c is a plan view showing the in-folding state of the electronic device illustrated in FIG. 3a according to one embodiment of the present invention. FIG. 3d is a perspective view showing the out-folding of an electronic device according to one embodiment of the present invention. FIG. 4 is a block diagram schematically illustrating an electronic device according to one embodiment of the present invention. FIG. 5a is a cross-sectional view of an electronic device according to one embodiment of the present invention. FIG. 5b is a cross-sectional view of an electronic device according to one embodiment of the present invention. FIG. 6 is a cross-sectional view of an electronic device according to one embodiment of the present invention. FIG. 7 is a block diagram of a display layer and a display driving unit according to one embodiment of the present invention. FIG. 8 is a block diagram of a sensor layer and a control unit according to an embodiment of the present invention. FIG. 9 is a plan view illustrating a sensor layer according to one embodiment of the present invention. FIG. 10 is a timing diagram illustrating the operation of an electronic device according to one embodiment of the present invention. FIGS. 11a and FIGS. 11b are plan views of an electronic device according to one embodiment of the present invention. FIGS. 12a and FIGS. 12b are timing diagrams illustrating the operation of an electronic device according to an embodiment of the present invention. FIG. 13 is a plan view of a sensor layer according to one embodiment of the present invention. FIG. 14 is a plan view of a sensor layer according to one embodiment of the present invention. In this specification, where a component (or region, layer, part, etc.) is described as being “on,” “connected,” or “joined” another component, it means that it may be directly placed/connected/joined on the other component, or that a third component may be placed between them. Identical reference numerals denote identical components. Additionally, in the drawings, the thicknesses, proportions, and dimensions of components are exaggerated for the effective illustration of the technical content. “And/or” includes all one or more combinations that the associated components may define. Terms such as "first," "second," etc., may be used to describe various components, but said components should not be limited by said terms. These terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be named the second component, and similarly, the second component may be named the first component. A singular expression includes a plural expression unless the context clearly indicates otherwise. Additionally, terms such as “below,” “lower,” “above,” and “upper” are used to describe the relationships between the components depicted in the drawings. These terms are relative concepts and are described based on the directions indicated in the drawings. Terms such as "include" or "have" are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof. Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Furthermore, terms such as those defined in commonly used dictionaries should be interpreted as having a mean