Patent ID: 12260041

DESCRIPTION OF SPECIFIC EMBODIMENTS OF THE INVENTION

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work shall fall within the protection scope of the disclosure.

In the description of this application, it should be understood that the orientation or positional relationship indicated by the terms “upper” and “lower” are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the disclosure. In addition, the terms “first” and “second” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present disclosure, “a plurality of” means two or more than two, unless otherwise specifically defined.

The preset disclosure may repeat reference numerals and/or reference letters in different implementations, and this repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and/or settings discussed.

The present disclosure is for the technical problem that existing touch panels on the market only have one working mode, so that on the same device, the touch panel cannot have high touch accuracy and high report rate according to different application scenarios. A touch circuit module set is added to the existing touch panel, wherein the plurality of touch circuits in the touch circuit module set are electrically connected to the touch sensing units in the touch sensing unit set through the driving signal lines in the driving signal line set, and the touch circuit are electrically connected to the driving signal lines through the plurality of switching thin film transistors. By controlling turning on or turning off of the switching thin film transistors, in the first working mode responsive to the first application scenario, the touch panel can control one touch sensing unit through one driving signal line and the touch panel has a higher touch accuracy; and in the second working mode responsive to the second application scenario, the touch panel can simultaneously drive a set of multiple touch sensing units through one driving signal line, which can reduce the driving response times and make the signal transmission process faster, thereby greatly improving the report rate. In this way, the goal of achieving both high touch accuracy and high report rate can be realized.

Please refer toFIG.1toFIG.4, a first embodiment of the present disclosure provides a touch panel100. The touch panel100includes m touch sensing unit sets10, m driving signal line sets20, and at least one touch circuit module set30. The m driving signal line sets20are electrically connected to the m touch sensing unit sets10and the touch circuit module set30, respectively, wherein m≥1 and m is a positive integer.

The touch panel100further includes columns of touch sensing units110arranged side by side, wherein each of the columns of touch sensing units110includes a plurality of touch sensing unit sets10, one of the columns of touch sensing units corresponds to a touch circuit module set30, the touch circuit module set30includes m/a touch circuits, wherein a≥1, and a is a positive integer. The number and the arrangement of the touch sensing unit sets10in any two of the columns of touch sensing units110are the same or different. The number and the arrangement of the touch sensing units11in the touch sensing unit set10in any two of the columns of touch sensing units110are the same or different.

Each of the touch sensing unit sets10includes n touch sensing units, and the touch sensing units are used to sense the touch position of a touch element (not shown) and to generate corresponding position information, wherein n≥2 and n is a positive integer. In the present embodiment, outlines of two adjacent touch sensing unit sets10do not intersect with each other. Specifically, the number and the arrangement of the touch sensing units11in each row in the touch sensing unit set10are both the same. In the present embodiment, the outline of each of the touch sensing unit sets10is rectangular.

Specifically, referring toFIG.1, in the present embodiment, each of the touch sensing unit sets10includes four touch sensing units11, that is, n=4. The four touch sensing units11are arranged in a preset pattern to form a first pattern to form one touch sensing unit set10. A plurality of the first patterns are arranged to form a second pattern. Specifically, four touch sensing units11are arranged in two rows and two columns, and the touch sensing units11in two adjacent rows are arranged corresponding to each other in a one-to-one correspondence. In other embodiments, the arrangement of the four touch sensing units11is not limited to be arranged in two rows and two columns, nor to be arranged corresponding to each other in a one-to-one correspondence. The arrangement can be set according to actual needs.

Please refer toFIG.1andFIG.3, each of the driving signal line sets20includes n driving signal lines, and one driving signal line21is electrically connected to one touch sensing unit11. That is, the plurality of touch sensing units11are electrically connected to the touch circuit module set30through the plurality of driving signal lines21, respectively. One end of the n driving signal lines21receives a driving signal.

Please refer toFIG.1andFIG.3, each of the driving signal line sets20further includes n driving signal access lines21, an end of each of the driving signal access lines22is connected to an end of one corresponding driving signal line21away from the touch sensing units11, and the other end of each of the driving signal access lines22is used to receive a driving signal.

Please refer toFIG.2, each of the touch module sets30includes m touch circuits31, and each of the touch circuit31is connected to the n touch sensing units11and the n driving signal access lines21, respectively. The touch circuit31includes a first working mode and a second working mode. When the touch circuit31operates in the first working mode, the n driving signal lines21respectively drive the n touch sensing units11. When the touch circuit31operates in the second working mode, each of the touch circuits31is electrically connected to then touch sensing units11and then driving signal lines21, respectively, and any one of the n driving signal lines21simultaneously drives the n touch sensing units11in one touch sensing unit set10.

Specifically, each of the touch circuits31includes n switching thin film transistors311. Gates of the switching thin film transistors311are connected to each other and used to received controlling signals EN, one of sources and drains of the n switching thin film transistors311is connected to another and used to receive data signals DATA, and another one of sources and drains of the n switching thin film transistors311is connected to one corresponding driving signal line21. Specifically, one of sources and drains of each of the switching thin film transistors311is electrically connected to an end of one corresponding driving signal line21away from the touch sensing unit11, and another one of sources and drains of the switching thin film transistors311, one of the driving signals lines21and one of the driving signal access lines22intersect at point S.

Specifically, in the present embodiment, each of the touch circuits31includes four witching thin film transistors311, that is, n=4.

When the touch circuit31operates in the first working mode, the n switching thin film transistors311are in a turn off state, the driving signals in the n driving signal lines21respectively drive the n touch sensing units11.

When the touch circuit31operates in the second working mode, the n switching thin film transistors311are in a turn on state, the driving signal in any one of the n driving signal lines simultaneously drives the n touch sensing units11in one touch sensing unit10.

In one optional embodiment of the present disclosure, the n switching thin film transistors311are P-type switching thin film transistors, and when the controlling signals are at a low level, the n switching thin film transistors311are turned on.

In one optional embodiment of the present disclosure, the n switching thin film transistors311are N-type switching thin film transistors, and when the controlling signals are at a high level, the n switching thin film transistors311are turned on.

In one optional embodiment of the present disclosure, the first working mode is responsive to the first application scenario, the second working mode is responsive to the second application scenario, a report rate of the touch panel100responsive to the first application scenario is less than a report rate of the touch panel100responsive to the second application scenario, and an accuracy of the touch panel100responsive to the first application scenario is greater than an accuracy of the touch panel100responsive to the second application scenario.

Specifically, the second application scenario may be a scenario of watching a higher-quality movie, playing a game, and the like.

Please refer toFIG.3again, the present disclosure further provides a touch circuit31, and the touch circuit31includes n switching thin film transistors311. Gates of the switching thin film transistors311are connected to each other and used to received controlling signals, one of sources and drains of the n switching thin film transistors311is connected to another and used to receive data signals DATA, and another one of sources and drains of the n switching thin film transistors311is connected to one corresponding driving signal line21.

When the n switching thin film transistors311are in a turn off state, a driving signal in one driving signal line21drives one touch sensing units11.

When the n switching thin film transistors311are in a turn on state, the driving signal in any one of the n driving signal lines21simultaneously drives the n touch sensing units11in one touch sensing unit set10.

In one optional embodiment of the present disclosure, the switching thin film transistor311may be a P-type switching thin film transistor or a N-type switching thin film transistor. When the switching thin film transistor311is a P-type switching thin film transistor and the controlling signal EN is at a low level, the switching thin film transistor311is turned on.

When the switching thin film transistor311is a N-type switching thin film transistor and the controlling signal EN is at a high level, the switching thin film transistor311is turned on.

In one optional embodiment of the present disclosure, the touch circuit31includes a first working mode responsive to a first application scenario and a second working mode responsive to a second application scenario, a report rate of the touch circuit31responsive to the first application scenario is less than a report rate responsive to the second application scenario, and a accuracy of the touch circuit31responsive to the first application scenario is greater than a touch accuracy of the touch circuit31responsive to the second application scenario.

When the touch circuit31is in the first working mode, the n switching thin film transistors311are in a turn off state, and when the touch circuit31is in the second working mode, the n switching thin film transistors are in a turn on state.

Please refer toFIG.5, the present disclosure further provides a touch driving method, and the touch driving method includes steps of:

Step S1; configurating a touch panel100such that the touch panel100has a first working mode responsive to a first application scenario and a second working mode responsive to a second application scenario, and setting a report rate of the touch panel responsive to the first application scenario is less than a report rate responsive to the second application scenario, and an touch accuracy of the touch panel responsive to the first application scenario is greater than a touch accuracy of the touch panel responsive to the second application scenario.

Step S2: switching between the first working mode and the second working mode according to the application scenario of touch panel.

Please refer toFIG.6, the present disclosure provides a touch panel200. The structure of the touch panel200is similar to the structure of the touch panel100. The difference is that outlines of two adjacent touch sensing units10of the touch panel200partially intersect, and the touch sensing units11in two adjacent touch sensing units10are partially intersect. Specifically, the number of the touch sensing units11in at least one row in the touch sensing unit set10is different from the number of the touch sensing units in the other rows. Compared with the case where the outlines of two adjacent touch sensing unit sets10of the touch panel100do not intersect with each other in the first embodiment, the touch panel200provided by the present embodiment has a higher touch accuracy.

In the present embodiment, each of the touch sensing units10has an L shape. One of two touch sensing units10is presented in a positive L shape, and the other is presented in an inverted L shape. The two touch sensing units10are presented in a rectangular-like shape.

In other embodiments, the shape of each of touch sensing units10may also have a “” shape other than the L shape. Two of the touch sensing units10presented in the “” shape are staggered up and down. Specifically, one of the touch sensor units10presented in the “” shape extends into the recess between the two horizontal portions of the other touch sensor unit10presented in the “” shape.

In the touch panel, the touch circuit, and the touch driving method provided by the present disclosure, a touch circuit module set30is added to the existing touch panel, wherein the plurality of touch circuit31in the touch circuit module set30are electrically connected to the touch sensing units11in the touch sensing unit set10through the driving signal lines21in the driving signal line set20, and the touch circuit31are electrically connected to the driving signal lines21through the plurality of switching thin film transistors31. By controlling turning on or turning off of the switching thin film transistors311, in the first working mode responsive to the first application scenario, the touch panel can control one touch sensing unit11through one driving signal line21, and in the second working mode responsive to the second application scenario, the touch panel can simultaneously drive a set of multiple touch sensing units11through one driving signal line21, thereby improving the report rate. In the second working mode responsive to the second application scenario, in the second working mode responsive to the second application scenario, wherein n is the number of the touch sensing units in one touch sensing unit set, and n≥2, which increases the user experience and expands the application of the touch panel. Through the switching characteristics of switching thin film transistors and the support of IC algorithms, the plurality of touch sensing units11can be driven as one touch sensing unit set10, thereby reducing the driving response times and making the signal transmission process faster.

In view of the above, although the present invention has been disclosed by way of preferred embodiments, the above preferred embodiments are not intended to limit the present invention, and one of ordinary skill in the art, without departing from the spirit and scope of the invention, the scope of protection of the present invention is defined by the scope of the claims.