CN210639596U - Touch display substrate, touch display panel and touch display device - Google Patents

Abstract

The application discloses a touch display substrate, a touch display panel and a touch display device, wherein at least one inductor and a controller are arranged in a non-touch second area of the touch display substrate, the inductor is positioned on the surface of a first substrate of the second area, and the inductor detects capacitance variation information of the inductor after the inductor is touched under different ambient humidity and sends the information; the controller is connected with the sensor, receives capacitance variation information of the sensor and adjusts the sensitivity of the touch sensing unit in the first area according to the information. The utility model discloses a touch-control display substrate reaches touch-control display panel and touch-control display device including above-mentioned touch-control display substrate can adjust the sensitivity in touch-control district according to the electric capacity change information after the inductor touches under different humidity environment, so that the utility model discloses a touch-control display substrate, touch-control display panel and touch-control display device can be under different humidity environment automatic adjustment sensitivity, promote the touch-control performance.

Description

Touch display substrate, touch display panel and touch display device

Technical Field

The utility model relates to a show touch-control display technology field, more specifically relates to touch-control display substrate, touch-control display panel and touch-control display device.

Background

With the rapid development of electronic information technology, a touch display can simultaneously receive input from a user by detecting contact between the display and the user's hand, object, etc., and since the touch display does not require a separate input device such as a keyboard or a mouse, the touch display is widely used due to its features such as easy operability, intuitiveness, etc., and is mainly used for electronic information display, information inquiry, advertising, map indication, etc.

However, in cold and high humidity environments such as a plateau, the touch performance of the touch screen is greatly reduced, and even the touch screen gradually loses efficacy, so that a new touch screen needs to be developed to prevent the touch performance of the touch screen from being reduced and even losing efficacy in the high-cold and high humidity environments.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a touch display substrate, a touch display panel and a touch display device, so as to solve the problems of reduced touch performance, poor touch function and failure of the touch display substrate, the touch display panel and the touch display device in the prior art when the humidity is too high; the utility model discloses a touch-control display substrate, including first base plate, first base plate is equipped with first district and second district, be equipped with a plurality of touch-control induction units in the first district, touch-control display device still includes: the sensor is positioned on the surface of the first substrate of the second area, and detects capacitance variation information after the sensor touches the sensor under different environmental humidities and sends out the capacitance variation information; the controller is connected with the sensor, receives capacitance variation information of the sensor and adjusts the sensitivity of the touch sensing unit in the first area according to the capacitance variation information.

According to another aspect of the present invention, a touch display substrate is provided, the controller further includes a first processor, a comparator and a second processor, the first processor is connected to the sensor to receive the capacitance variation information and convert the capacitance variation information into first sensitivity information and send out the first sensitivity information; the comparator receives the first sensitivity information and compares the first sensitivity information with a sensitivity threshold value, and sends out an adjusting signal when the first sensitivity information is not in the sensitivity threshold value range; the second processor is connected with the comparator, receives the adjusting signal and adjusts the sensitivity of the touch sensing unit in the first area according to the adjusting signal.

According to the utility model discloses a second aspect provides a touch-control display substrate, the first district is located the base plate intermediate position, the second district encircles the first district, the inductor sets up in the second district and set up on the extension line of first district bisector.

According to another aspect of the present invention, there is provided a touch display substrate, wherein the sensor includes a first sensing electrode, a second sensing electrode, a first lead and a second lead, and an inductive capacitance is formed between the first sensing electrode and the second sensing electrode; one end of the first lead is connected with the first induction electrode, one end of the second lead is connected with the second induction electrode, and the other ends of the first lead and the second lead are connected with the controller.

According to the utility model discloses a on the other hand provides a touch-control display substrate, the closed ring of second response electrode encircles first response electrode, first lead wire one end with first response electrode is connected, the other end orientation second response electrode extend and with second response electrode mutual insulation sets up.

According to the utility model discloses a second aspect provides a touch-control display substrate, first response electrode with first lead wire is with layer setting, second response electrode with the second lead wire is with layer setting, first response electrode first lead wire with second response electrode press from both sides between the second lead wire and establish the first insulation layer.

According to the utility model discloses an on the other hand provides a touch-control display substrate, first response electrode the second response electrode reaches the second lead wire is with layer setting, first response electrode the second response electrode reaches the second lead wire with press from both sides between the first response electrode and establish the second insulating layer, be equipped with the through-hole on the second insulating layer, first lead wire with first response electrode passes through the through-hole is connected.

According to another aspect of the present invention, a touch display substrate is provided, wherein a first end of the first sensing electrode is connected to the first lead, and the other end of the first sensing electrode is bent clockwise and extends toward the first end; the first end of the second induction electrode is adjacent to the first end of the first induction electrode and is connected with the second lead, and the other end of the second induction electrode is bent clockwise and surrounds the first induction electrode and then is opposite to the first end of the first induction electrode.

According to the utility model discloses an on the other hand provides a touch-control display panel, including second base plate and above-mentioned arbitrary touch-control display substrate, first base plate with the second base plate sets up relatively.

According to the utility model discloses an on the other hand provides a touch-control display device, including the aforesaid touch-control display panel.

The utility model provides a touch-control display substrate, touch-control display panel and touch-control display device, wherein be equipped with at least one inductor and controller in the non-touch-control second district of touch-control display substrate, the inductor is located the surface of the first base plate in second district, the inductor detects the capacitance variation information of the inductor behind the touch-control inductor under different ambient humidity and sends this capacitance variation information; the controller is connected with the inductor, receives capacitance variation information sent by the inductor and adjusts the sensitivity of the touch sensing unit in the first area according to the capacitance variation information. The touch display substrate, the touch display panel comprising the touch display substrate and the touch display device can adjust the sensitivity of a touch area according to the touch capacitance change information of the sensor in different humidity environments, so that the touch display substrate, the touch display panel comprising the touch display substrate and the touch display device can automatically adjust the sensitivity in different humidity environments, the touch performance is improved, and touch failure is prevented.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a schematic top view illustrating a touch display substrate according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram illustrating connection between an inductor and a controller of a touch display substrate according to an embodiment of the present invention;

fig. 3 is a diagram illustrating a relationship between a finger signal amount and a humidity percentage converted after a sensor of a touch display substrate is touched at different humidity according to an embodiment of the present invention;

fig. 4 is a diagram illustrating a relationship between a base semaphore and a humidity percentage of a touch display substrate according to an embodiment of the invention;

fig. 5 is a schematic top view of a touch display substrate according to another embodiment of the present invention;

fig. 6 is a schematic top view illustrating an inductor in a touch display substrate according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a sensor in a touch display substrate according to an embodiment of the present invention, taken along the direction of fig. 4 AA';

fig. 8 is a schematic top view illustrating another sensor in a touch display substrate according to an embodiment of the present invention;

fig. 9 is a schematic cross-sectional view of another sensor along the direction of fig. 5 BB' in the touch display substrate according to an embodiment of the invention;

fig. 10 is a schematic top view illustrating another sensor in a touch display substrate according to an embodiment of the invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Fig. 1 is a schematic top view illustrating a touch display substrate according to an embodiment of the present invention; fig. 2 is a schematic structural diagram illustrating connection between an inductor and a controller of a touch display substrate according to an embodiment of the present invention; as shown in fig. 1 and fig. 2, the touch display substrate 100 of the present invention includes a first substrate 10, the first substrate 10 is provided with a first area 11 and a second area 12, and a plurality of touch sensing units (not shown) are disposed in the first area 11, wherein the touch display substrate 100 further includes at least one sensor 1, the sensor 1 is disposed on the surface of the first substrate 10 of the second area 12, when the sensor 1 is touched under different humidity environments, the sensor 1 changes capacitance, and the sensor 1 sends capacitance variation information of the sensor 1; in addition, the touch display substrate 100 further includes a controller 2, wherein the controller 2 is connected to the sensor 1, receives the capacitance variation information sent by the sensor 1, and adjusts the sensitivity of the touch sensing unit in the first area 11 according to the capacitance variation information.

Further, the controller 2 further includes a first processor 21, a comparator 22 and a second processor 23, the first processor 21 is connected to the sensor 1 to receive the capacitance variation information sent by the sensor 1, convert the capacitance variation information into first sensitivity information and send the first sensitivity information; the comparator 22 receives the first sensitivity information and compares the first sensitivity information with the sensitivity threshold value, and sends out an adjusting signal when the first sensitivity information is not in the range of the sensitivity threshold value; the second processor 23 is connected to the comparator 22, and the second processor 23 receives the adjustment signal and adjusts the sensitivity of the touch sensing unit (not shown) in the first area 11 according to the adjustment signal.

Fig. 3 is a diagram illustrating a relationship between a finger signal amount and a humidity percentage converted after a sensor of a touch display substrate is touched under different humidity according to an embodiment of the present invention; fig. 4 is a diagram illustrating a relationship between a base semaphore and a humidity percentage of a touch display substrate according to an embodiment of the invention; specifically, please refer to fig. 3 and fig. 4, after the sensor 1 is touched under different humidity percentages, the capacitance of the sensor 1 changes, the sensor 1 sends the capacitance variation information corresponding to the different humidity percentages to the first processor 21, and the first processor 21 receives the capacitance variation information and converts the capacitance variation information into the finger semaphore. Specifically, as shown in fig. 3, the abscissa is the humidity percentage, and the ordinate is the finger signal amount, and as shown in the figure, the finger signal amount is smaller when the humidity percentage is larger. The touch sensitivity is defined as finger signal amount/basic signal Amount (ADC), and the touch sensitivity of the first area 11 can be maintained at a stable optimum value by decreasing the basic signal (ADC) of the touch sensing unit (not shown) of the first area 11 when the humidity percentage is decreased, or increasing the basic signal (ADC) of the touch sensing unit (not shown) of the first area 11 when the humidity percentage is increased. That is, as shown in FIG. 4, the base semaphore (ADC) value is decreased when the humidity percentage decreases and increased when the humidity percentage increases.

In addition, in the present embodiment, there are 1 inductor 1 and one control controller 2, and the inductor 1 and the controller 2 are connected by a lead wire 4; the controller 2 includes one first processor 21, one comparator 22, and one second processor 23. The sensor 1 and the controller 2 may be disposed at any position of the second region 12.

Further, fig. 5 is a schematic top view of a touch display substrate according to another embodiment of the present invention; as shown in fig. 5, in the present embodiment, the first region 11 is located in the middle of the first substrate 10, the second region 12 surrounds the first region 11, and the sensor 1 is disposed in the second region 12 and on the extension of the bisector of the first region 11. Specifically, as shown in the figure, the first substrate 10 is rectangular, the first region 11 is located at the middle position of the rectangular first substrate 10, and the diagonal line a of the first region 11 equally divides the first region 11 into two parts. The number of the inductors 1 is four, and the four inductors 1 are positioned on an extension line of a diagonal line A of the first area 11. Controller 2 is 1, and 1 controller 2 is integrated in touch-control chip 3, and lead wire 4 is 4, and each one end in 4 lead wires is connected with inductor 1, and the other end is connected with controller 2.

In the present embodiment, the number of the sensors 1 is 4, and the number of the controllers 2 is 1. In other embodiments, the number of the sensors 1 may be different from 4, and the number of the controllers 2 may also be different from 1. For example, the number of the sensors may be 2, 3, 5, and the like, the number of the controllers 2 may also be multiple, the plurality of sensors 1 and the controllers 2 may be randomly arranged on the second region 12 of the first substrate 10, or may be regularly arranged in an array, and the controllers 2 may be directly integrated on the first substrate 10, or may be integrated in the touch chip 3. And when the sensors 1 are symmetrically arranged on the bisected extension line of the first region 11, the sensing effect is the best, and the sensitivity adjustment effect is the best.

Fig. 6 is a schematic top view illustrating an inductor in a touch display substrate according to an embodiment of the present invention; fig. 7 is a schematic cross-sectional view of a sensor in a touch display substrate according to an embodiment of the present invention, taken along the direction of fig. 4 AA'; referring to fig. 6 and 7, in the present embodiment, the inductor 1 includes a first sensing electrode 11, a second sensing electrode 12, a first lead 41 and a second lead 42, and an inductive capacitance is formed between the first sensing electrode 11 and the second sensing electrode 12; one end of the first lead 41 is connected to the first sensing electrode 11, one end of the second lead 42 is connected to the second sensing electrode 12, and the other ends of the first lead 41 and the second lead 41 are connected to the controller 1.

Specifically, the second sensing electrode 12 surrounds the first sensing electrode 11 in a closed manner, one end of the first lead 41 is connected to the first sensing electrode 11, and the other end of the first lead extends toward the second sensing electrode 12 and is insulated from the second sensing electrode 12. In addition, in the present embodiment, the first sensing electrode 11 and the first lead 41 are disposed in the same layer, the second sensing electrode 12 and the second lead 41 are disposed in the same layer, and the first insulating layer 13 is interposed between the first sensing electrode 11, the first lead 41, the second sensing electrode 12, and the second lead 42. That is, in the present embodiment, the first sensing electrode 11 and the second sensing electrode 12 are designed in different layers, and the corresponding first lead 41 and the second lead 42 are also designed in different layers. At this time, the first sensing electrode 11 and the second sensing electrode 12 are insulated by the insulation effect of the first insulation layer 13, the first lead 41 and the second lead 42 are also insulated, and the first lead 41 and the second lead 42 are designed to be vertically opposite to each other. The related electrodes and leads of the design are not interfered with each other, and the anti-interference performance is good. In other embodiments, the first lead 41 and the second lead 42 may not be designed to face up and down, but may be designed to be staggered. Here, the present invention is not particularly limited, and the present invention is specifically limited to the actual case.

Fig. 8 is a schematic top view illustrating another sensor in a touch display substrate according to an embodiment of the present invention; fig. 9 is a schematic cross-sectional view of another sensor along the direction of fig. 5 BB' in the touch display substrate according to an embodiment of the invention; as shown in fig. 8 and 9, in the present embodiment, the first sensing electrode 11, the second sensing electrode 12 and the second lead 42 are disposed in the same layer, a second insulating layer 13 'is interposed between the first sensing electrode 11, the second sensing electrode 12 and the second lead 42, and the first sensing electrode 11, a through hole (not shown) is disposed on the second insulating layer 13', and the first lead 41 and the first sensing electrode 11 are connected through the through hole.

Fig. 10 is a schematic top view illustrating another sensor in a touch display substrate according to an embodiment of the present invention, as shown in fig. 10, in this embodiment, a first end of a first sensing electrode 11 is connected to a first lead 41, and the other end is bent clockwise and extends toward the first end; the first end of the second sensing electrode 12 is adjacent to the first end of the first sensing electrode 11 and connected to the second lead 42, and the other end is bent clockwise and surrounds the first sensing electrode 11 and then is disposed opposite to the first end of the first sensing electrode 11. In this embodiment, since the second sensing electrode 12 does not completely close the first sensing electrode 11, and the first end of the second sensing electrode 12 is adjacent to the first end of the first sensing electrode 11, the second lead 12 connected to the second sensing electrode 12 is led out without crossing the first sensing electrode 11, and the first sensing electrode 11, the second sensing electrode 12, the first lead 41, and the second lead 42 can all be disposed in the same layer. In other embodiments, the first sensing electrode 11, the second sensing electrode 12, the first lead 41 and the second lead 42 may be designed in different layers, and an insulating layer may be interposed between the first sensing electrode 11, the first lead 41, the second sensing electrode 12 and the second lead 42. The specific structural design is not specifically limited, subject to the actual situation.

Further, the materials of the first sensing electrode 11, the second sensing electrode 12, the first lead 41 and the second lead 42 in the above embodiments may be ITO (indium tin oxide), or metals such as AL and Mo, and are not limited in detail.

Further, the distance between the first sensing electrode 11 and the second sensing electrode 12 in the above embodiment is d, wherein 5um < d <20 um.

Further, the utility model also provides a touch-control display panel, including the second base plate, and above-mentioned touch-control display substrate, first base plate 10 sets up with the second base plate relatively. A color resist layer, a black matrix, and the like are disposed on a side of the first substrate 10 away from the inductor 1, so that the first substrate 10 forms a color film substrate, and the second substrate (not shown) may be an array substrate. The color film substrate 10 and the array substrate are arranged oppositely, and a liquid crystal layer is sandwiched between the color film substrate and the array substrate.

Further, the utility model also provides a touch-control display device, above-mentioned touch-control display panel.

The utility model provides a touch-control display substrate, it is equipped with at least one inductor and controller in the second district of non-touch-control, the inductor is located the surface of the first base plate in second district, the inductor detects the electric capacity variation information of the inductor behind the touch-control inductor under different ambient humidity and sends electric capacity variation information; the controller is connected with the inductor, receives capacitance variation information sent by the inductor and adjusts the sensitivity of the touch sensing unit in the first area according to the capacitance variation information. The utility model discloses a touch-control display substrate reaches touch-control display panel and touch-control display device including above-mentioned touch-control display substrate, it can be according to the sensitivity of the touch capacitance change information adjustment touch-control district of inductor under different humidity environment, so that the utility model discloses a touch-control display substrate, touch-control display panel and display device can be under different humidity environment automatic adjustment sensitivity, promote the touch-control performance, prevent the touch-control inefficacy.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The above detailed description of a series of embodiments is only for the purpose of illustration, and is not intended to limit the scope of the invention, which is intended to include all equivalent embodiments or modifications that do not depart from the spirit of the invention.

Claims (10)

1. The utility model provides a touch-control display substrate, includes first base plate, first base plate is equipped with first district and second district, be equipped with a plurality of touch-control induction units in the first district, its characterized in that, touch-control display device still includes:

at least one sensor, the sensor being located on the surface of the second area of the first substrate, the sensor emitting capacitance variation information after the sensor is touched under different ambient humidity;

the controller is connected with the sensor, receives capacitance variation information of the sensor and adjusts the sensitivity of the touch sensing unit in the first area according to the capacitance variation information.

2. The touch display substrate of claim 1, wherein the controller further comprises a first processor, a comparator, and a second processor, the first processor being connected to the sensor to receive the capacitance variation information, convert the capacitance variation information into first sensitivity information, and send out the first sensitivity information; the comparator receives the first sensitivity information and compares the first sensitivity information with a sensitivity threshold value, and sends out an adjusting signal when the first sensitivity information is not in the sensitivity threshold value range; the second processor is connected with the comparator, receives the adjusting signal and adjusts the sensitivity of the touch sensing unit in the first area according to the adjusting signal.

3. The touch display substrate of claim 1, wherein the first region is located at a middle position of the substrate, the second region surrounds the first region, and the sensor is disposed in the second region and on an extension of a bisector of the first region.

4. The touch display substrate of claim 1, wherein the sensor comprises a first sensing electrode, a second sensing electrode, a first lead and a second lead, and an inductive capacitor is formed between the first sensing electrode and the second sensing electrode; one end of the first lead is connected with the first induction electrode, one end of the second lead is connected with the second induction electrode, and the other ends of the first lead and the second lead are connected with the controller.

5. The touch display substrate of claim 4, wherein the second sensing electrode surrounds the first sensing electrode in a closed manner, one end of the first lead is connected to the first sensing electrode, and the other end of the first lead extends toward the second sensing electrode and is insulated from the second sensing electrode.

6. The touch display substrate according to claim 5, wherein the first sensing electrode and the first lead are disposed on the same layer, the second sensing electrode and the second lead are disposed on the same layer, and a first insulating layer is interposed between the first sensing electrode, the first lead, the second sensing electrode, and the second lead.

7. The touch display substrate according to claim 5, wherein the first sensing electrode, the second sensing electrode and the second lead are disposed on the same layer, a second insulating layer is sandwiched between the first sensing electrode, the second sensing electrode and the second lead and the first sensing electrode, a through hole is formed in the second insulating layer, and the first lead and the first sensing electrode are connected through the through hole.

8. The touch display substrate of claim 4, wherein a first end of the first sensing electrode is connected to the first lead, and the other end of the first sensing electrode is bent clockwise and extends toward the first end; the first end of the second induction electrode is adjacent to the first end of the first induction electrode and is connected with the second lead, and the other end of the second induction electrode is bent clockwise and surrounds the first induction electrode and then is opposite to the first end of the first induction electrode.

9. A touch display panel comprising a second substrate, and further comprising the touch display substrate of any one of claims 1 to 8, wherein the first substrate is disposed opposite to the second substrate.

10. A touch display device, comprising the touch display panel according to claim 9.

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