CN110941372A - Curved surface pressure touch array substrate, display panel and display device - Google Patents
Curved surface pressure touch array substrate, display panel and display device Download PDFInfo
- Publication number
- CN110941372A CN110941372A CN201911280608.3A CN201911280608A CN110941372A CN 110941372 A CN110941372 A CN 110941372A CN 201911280608 A CN201911280608 A CN 201911280608A CN 110941372 A CN110941372 A CN 110941372A
- Authority
- CN
- China
- Prior art keywords
- pressure
- curved surface
- curved
- array substrate
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
Abstract
The application provides curved surface pressure touch-control array substrate, display panel and display device, curved surface pressure touch-control array substrate includes: the curved surface part is connected with the plane part and is positioned at the edge of the plane part; a plurality of embedded pressure sensors which are regularly arranged and are positioned on the curved surface part; the embedded pressure sensor comprises a plurality of resistors for sensing external pressure; namely, a micro bridge circuit is adopted to realize pressure touch control. Because the micro bridge circuit adopts the piezoresistor to realize pressure detection and touch control, and the detection area of the embedded pressure sensor is not completely limited by the size of the pressure sensor, the occupied area is smaller, the bending stress of a curved surface part can be avoided, and the risk of cracking of a touch control electrode is avoided; meanwhile, more pressure sensors can be distributed, so that the sufficient signal quantity is ensured; on the other hand, the pressure is detected regardless of the contact area of the finger with the curved surface portion, thereby avoiding the problem of sensitivity reduction.
Description
Technical Field
The invention relates to the technical field of display, in particular to a curved surface pressure touch array substrate, a display panel and a display device.
Background
With the development of display technology, curved display panels capable of being bent or folded for use are gradually becoming a trend of research and development in order to enlarge the area of a display region. The curved display panel refers to a display panel whose edge maintains a curved shape.
The curved display panel can bend an edge portion of the display panel while displaying an image at the curved portion. With the popularization of touch functions, a touch sensor can also be arranged on a curved surface part while an image is displayed on the curved surface part, so that touch operation can be performed on the curved surface part.
However, in the prior art, when the curved surface portion is subjected to touch operation, the sensitivity is low, and further, the touch failure occurs.
Disclosure of Invention
In view of the above, the present invention provides a curved surface pressure touch array substrate, a display panel and a display device, so as to improve the situation of low touch operation sensitivity of the curved surface portion of the curved surface display panel in the prior art, and further solve the problem of touch failure.
In order to achieve the purpose, the invention provides the following technical scheme:
an array substrate has a pressure touch function, and is applied to a curved display panel and a curved display device, the array substrate includes:
a plane part and a curved part connected with the plane part and bent relative to the plane part;
the pressure sensors are arranged on the curved surface part and are resistance type pressure sensors;
the input ends of the pressure sensors are connected with the voltage applying circuit and used for receiving the input voltage transmitted by the voltage applying circuit;
the output ends of the pressure sensors are connected with the voltage detection circuit and used for transmitting output voltage to the voltage detection circuit, so that the voltage detection circuit detects output signals of the pressure sensors, the change of resistance in the pressure sensors is judged through the output voltage signals, and then pressure values corresponding to the resistance changes are obtained, and pressure touch control is achieved.
According to the technical scheme, the curved surface pressure touch array substrate comprises a plane part and a curved surface part, wherein touch sensors of the curved surface part are embedded pressure sensors which are regularly arranged, the pressure sensors are formed by adopting a micro bridge circuit, and the size of the pressure sensors is smaller than that of a capacitance pressure sensor which is formed by adopting capacitance electrodes in the prior art, so that the effect of bending stress of the curved surface part on the pressure sensors can be reduced, the risk of cracking of the micro bridge circuit is reduced, and the probability of touch failure is further reduced; in addition, the pressure sensor adopts a micro bridge circuit to realize pressure touch control, the pressure detection process is independent of the contact area of the finger and the induction electrode, and the problem of sensitivity reduction caused by small contact area of the finger and the induction electrode is avoided; meanwhile, the size of the pressure sensor is relatively small, and more embedded pressure sensors can be arranged on the curved surface part with the same area, so that the signal quantity is improved, and the problem of sensitivity reduction caused by insufficient signal quantity is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic top view of a curved display device structure provided in the prior art;
FIG. 2 is a schematic cross-sectional view of a curved display device according to the prior art;
fig. 3 is a schematic top view of a curved surface pressure touch array substrate according to an embodiment of the present invention;
FIG. 4 is an equivalent circuit diagram of an in-line pressure sensor according to an embodiment of the invention;
FIG. 5 is a schematic diagram illustrating a fully symmetric arrangement of embedded pressure sensors according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an example of an offset arrangement of embedded pressure sensors;
FIG. 7 is a schematic diagram of the detection performance of an in-line pressure sensor according to an embodiment of the invention;
FIG. 8 is a schematic diagram illustrating a comparison between an in-cell pressure sensor according to an embodiment of the present invention and a conventional touch electrode;
fig. 9 is a schematic cross-sectional structure view of a curved surface pressure touch display device structure according to an embodiment of the present invention.
Detailed Description
As described in the background section, when the curved surface portion of the curved surface display panel in the prior art performs the touch operation, the sensitivity is low, and further, the touch failure problem occurs.
The inventors found that the reason why the above problems occur is: the curved display panel generally forms a curved side edge on at least one side edge of the flat display panel, and the curved side edge implements a touch function. In the prior art, particularly in the implementation of pressure touch, a side touch function is usually implemented by using an external pressure touch sensor, and pressure detection is implemented by using a capacitive method, please refer to fig. 1 and fig. 2, fig. 1 is a schematic top view of a curved surface display device structure provided in the prior art, and fig. 2 is a schematic cross-sectional structure of the curved surface display device structure provided in the prior art; as shown in fig. 2, the pressure sensor includes an induction electrode 03 disposed between a glass cover plate 02 and a liquid crystal display panel 01, and as a capacitive touch manner is adopted to implement pressure touch, the area of the induction electrode 03 is large, the induction electrode 03 is prone to crack under bending stress of a curved surface portion, thereby causing touch failure, and the induction electrode 03 can only distribute half of the area of a normal induction electrode at the side edge of the curved surface portion, thereby causing insufficient induction signal amount of the curved surface portion or uneven signal amount of the curved surface portion and the planar portion, thereby causing a problem of sensitivity reduction; on the other hand, in the case of a curved surface, the projected area of the contact surface between the sensing electrode 03 and the finger is small, and the capacitance due to the touch of the finger is small compared to the capacitance due to the finger in the flat surface portion, which also causes a decrease in sensitivity.
Based on this, the present invention provides a curved surface pressure touch array substrate, comprising:
the curved surface part is connected with the plane part and is positioned at the edge of the plane part;
a plurality of regularly arranged embedded pressure sensors positioned on the curved surface part;
wherein the in-line pressure sensor comprises a plurality of resistors for sensing external pressure;
a voltage applying circuit connected to the first and second connection terminals of the in-cell pressure sensor, respectively, for applying a voltage to the in-cell pressure sensor;
and the voltage detection circuit is respectively connected with the third connecting end and the fourth connecting end of the embedded pressure sensor and is used for acquiring the strain voltage of the embedded pressure sensor.
The curved surface pressure touch array substrate comprises a plane part and a curved surface part, wherein a plurality of embedded pressure sensors are regularly distributed on the curved surface part, and the embedded pressure sensors are embedded pressure sensors and comprise a plurality of resistors for sensing external pressure, namely, a micro bridge circuit is adopted to realize pressure touch. Because the micro bridge circuit adopts the piezoresistor to realize pressure detection and touch control, and the detection area of the embedded pressure sensor is not limited by the single size of the pressure sensor, compared with the capacitance type pressure sensor, the embedded pressure sensor occupies a smaller area, so that the bending stress of a curved surface part can be avoided, and the risk of cracking of a touch control electrode is avoided; meanwhile, because the size of the embedded pressure sensor is smaller, more pressure sensors can be distributed, so that the sufficient signal quantity is ensured; on the other hand, the micro bridge circuit is adopted to realize pressure touch control and pressure detection, and the detection is independent of the contact area of the finger and the curved surface part and the area of the pressure touch control electrode, so that the problem of sensitivity reduction caused by the small projection area of the contact area of the finger and the curved surface part is avoided.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the invention provides a curved surface pressure touch array substrate, please refer to fig. 3, where fig. 3 is a schematic view of a top view structure of the curved surface pressure touch array substrate according to the embodiment of the invention; the curved surface pressure touch array substrate comprises:
a plane part 21 and a curved part 22 connected with the plane part 21 and positioned at the edge of the plane part 21;
a plurality of regularly arranged in-line pressure sensors 3 located on the curved surface portion 22;
referring to fig. 4, fig. 4 is an equivalent circuit diagram of the in-cell pressure sensor; the in-line pressure sensor comprises a plurality of resistors for sensing external pressure; the embedded pressure sensor in this embodiment is formed by a micro bridge circuit, as shown in fig. 4, and includes four resistors R1, R2, R3, and R4.
A voltage applying circuit (not shown) connected to the first connection terminal (common to R1 and R4) and the second connection terminal (common to R2 and R3) of the in-cell pressure sensor, respectively, for applying a voltage Ui to the in-cell pressure sensor;
and the voltage detection circuit is respectively connected with the third connecting end (the common end of R1 and R2) and the fourth connecting end (the common end of R3 and R4) of the in-cell pressure sensor and is used for acquiring the strain voltage Uo of the in-cell pressure sensor.
It should be noted that, in this embodiment, the specific arrangement position of the curved surface portion is not limited, and the curved surface portion may be only arranged on one side edge of the planar portion, or may be arranged on a plurality of side edges; taking a smart phone or a tablet as an example for explanation, the curved surface portion may be only disposed on the left side when facing the smart phone or only disposed on the right side when facing the smart phone, so that when operated with one hand, corresponding unlocking or sliding touch is performed with a thumb. The curved surface part can also be arranged on the left side and the right side of the smart phone at the same time so as to further increase the area of the display screen. Or, four sides of the smart phone can be set to be curved parts when the smart phone is aligned, and the curved parts surround the plane part.
In this embodiment, the specific structure of the in-cell pressure sensor is not limited, and optionally, the in-cell pressure sensor uses polysilicon as a main body of the pressure sensor, and provides an input voltage signal through a metal layer in the array substrate and receives a sensing signal. That is, the embedded pressure sensor is mainly formed by a silicon island, the silicon island is in a diamond shape, as shown in fig. 3, a connecting line of two opposite vertexes of the diamond shape is arranged along a first direction, that is, the center of the plane portion points to the direction of the edge of the plane portion, it should be noted that, for a curved surface portion on the left side, the first direction is the X direction in fig. 3, and for the case that the curved surface portion is located at the upper edge of the plane portion, the first direction is the Y direction in fig. 3, and so on.
It should be noted that, in the embodiment of the present invention, a specific regular arrangement manner of the plurality of regularly arranged pressure sensors is not limited, and optionally, the arrangement manner may be a full-symmetry manner or a dislocation manner. Taking the example that the curved portion is located at the left edge of the planar portion as an example, as shown in fig. 5, the in-line pressure sensors are arranged in a full-symmetric manner, and include: a first inline pressure sensor line L1 and a second inline pressure sensor line L2 alternately arranged along the first direction X; the first in-line pressure sensor line L1 includes a plurality of first in-line pressure sensors S1 arranged at intervals; the second in-line pressure sensor array L2 includes a plurality of spaced second in-line pressure sensors S2. Wherein each of the first in-line pressure sensors S1 is disposed opposite to one of the second in-line pressure sensors S2, and is located in the same row.
As shown in fig. 6, in a staggered arrangement, similarly, the plurality of in-line pressure sensors includes: a first inline pressure sensor line L1 and a second inline pressure sensor line L2 alternately arranged along the first direction X; the first in-line pressure sensor line L1 includes a plurality of first in-line pressure sensors S1 arranged at intervals; the second in-line pressure sensor array L2 includes a plurality of spaced second in-line pressure sensors S2. Unlike the fully symmetrical arrangement, in the staggered arrangement, each of the first in-line pressure sensors S1 is disposed opposite to the middle point of the connecting line of two adjacent second in-line pressure sensors S2. That is, in a direction perpendicular to the first direction X, the first in-line pressure sensor S1 is located between two adjacent second in-line pressure sensors S2, and the second in-line pressure sensor S2 is also located between two adjacent first in-line pressure sensors S1.
In this embodiment, the specific size of the silicon island is not limited, and the smaller the size of the silicon island is, the smaller the area of the silicon island relative to the curved surface portion is, and when the curved surface portion is arranged, the silicon island can be approximately equal to a plane, and the bending stress correspondingly applied is smaller; however, the smaller the corresponding detection range is, in order to achieve the detection accuracy, a larger number of silicon islands need to be arranged, which causes great difficulty to the manufacturing process; however, if the size of the silicon island is larger, the bending stress applied to the silicon island is increased, and the risk of fracture is increased, so that, optionally, in this embodiment, taking fig. 5 as an example, the length of the silicon island in the direction perpendicular to the first direction is 1% to 3% of the length of the curved surface portion where the silicon island is located in the direction perpendicular to the first direction, which includes end points. More optionally, the length of the silicon island sheet is about 2% of the total length of the curved surface portion. Taking a normal display panel as an example, the length of the silicon island in the direction perpendicular to the first direction is 30 μm to 60 μm, inclusive. More preferably about 50 μm.
The inventor can know that each embedded pressure sensor can acquire signals in a circle with the embedded pressure sensor as the center; the radius of the circle is related to the effective threshold voltage range of the in-line pressure sensor, the range of the effective threshold voltage is related to the input voltage, the process of the in-line pressure sensor and the like; as shown in fig. 5 and 6, the range of valid threshold voltages that can be collected is shown in dashed lines for an in-line pressure sensor. By arranging the plurality of circles tangentially, touch control of the largest area can be achieved. Through calculation, the area in the dotted line frame in the fully symmetrical distribution mode accounts for about 78% of the total area of the curved surface part; in the dislocation distribution mode, the area in the dashed frame accounts for about 91% of the total area of the curved surface part, and the larger the proportion of the area in the curved surface part is, the higher the detection accuracy is.
In order to further relieve the bending stress of the curved substrate or the curved cover plate on the silicon island, the silicon island is optionally disposed at a place where the bending stress is relatively small, and may be at the intersection of the planar portion and the curved portion, or at the edge of the curved portion away from the planar portion.
FIG. 7 is a schematic diagram illustrating the detection performance of the in-line pressure sensor according to an embodiment of the present invention; wherein, the solid square represents a curve of the terminal current changing with the External Bending pressure when the bias voltage is 5V, the abscissa thereof is the External Bending pressure (External Bending Force) and the unit thereof is cattle (N), the ordinate thereof is the left vertical axis and the unit thereof is A; the open square represents the curve of the output voltage as a function of the External bending pressure, with the abscissa of the curve being the External bending pressure (External bending force) in newtons (N) and the ordinate of the curve being the central longitudinal axis in V; the filled circles represent the local strain tensor versus External Bending pressure perpendicular to the edge with External Bending pressure (External Bending Force) on the abscissa and in newton (N) on the ordinate and the right vertical axis on the ordinate.
As can be seen from the figure, the external bending pressure is linearly related to the output voltage, and taking the input voltage as 5V as an example, when the threshold voltage is 1.0mV, that is, the data in the virtual coil can be identified, the corresponding external bending pressure is 0.025N, and about 2.5 g; when different use scenes are simulated, the corresponding finger pressure is shown in the following table, and it can be seen that the recognizable threshold voltage of the embedded pressure sensor provided by the invention is smaller than the finger pressure in a normal application scene, so that the curved surface pressure touch array substrate provided by the embodiment of the invention can replace a pressure touch sensor in the prior art to realize a pressure touch function.
TABLE 1 finger pressure for different usage scenarios
| Application scenarios | Finger pressure (Single finger) |
| Single click | 3g～10g |
| Double click | 5g～15g |
| Sliding motion | 5g～15g |
| Long press | 5g～10g |
In addition, the output voltage of the in-cell pressure sensor and the input voltage are in a positive linear correlation, and when VGH is used as the input voltage, the value of the output voltage can be further increased, and the slope of the output voltage increases in fig. 7, so that the required external bending pressure is reduced similarly to the recognizable threshold voltage of 1.0mV, and the signal collection amount can be increased under the same external bending pressure.
As shown in fig. 8, compared with the touch electrode 03 in the prior art, the side length L of the conventional touch electrode 03 is about 0.4cm, since the touch electrode in the prior art detects pressure according to the capacitance value change on the PAD, the determination accuracy is limited by the size of the touch electrode, and the corresponding detectable area is an area covered by the square touch electrode 03 with the side length of 0.4 cn; the side length l of the embedded pressure sensor 3 provided by the embodiment of the invention is 30-40 μm; under the condition that the input voltage is 3.3V, the maximum effective identification radius R0 of the in-line pressure sensor is about 0.7 cm; when the identification radius is reduced, the accuracy is improved. If the recognition accuracy is the same as that of the touch electrode in the prior art, the actual effective recognition radius r0 of the in-cell pressure sensor can be set to 0.2cm, which is 1/3 of the maximum effective recognition radius.
In contrast, the detection accuracy of the embedded pressure sensor in the curved-surface pressure touch array substrate provided by the embodiment of the invention is much smaller than the size of the capacitive pressure touch electrode in the prior art, and the identification accuracy is much more accurate than that of the touch electrode in the prior art.
The curved surface pressure touch array substrate comprises a plane part and a curved surface part, wherein touch sensors of the curved surface part are embedded pressure sensors which are regularly arranged, the pressure sensors are formed by adopting a micro bridge circuit, and the size of the pressure sensors is smaller than that of a capacitance type pressure sensor which is formed by adopting capacitance electrodes in the prior art, so that the effect of bending stress of the curved surface part on the pressure sensors can be reduced, the risk of cracking of the micro bridge circuit is reduced, and the probability of touch failure is further reduced; in addition, the pressure sensor adopts a micro bridge circuit to realize pressure touch control, the pressure detection process is independent of the contact area of the finger and the induction electrode, and the problem of sensitivity reduction caused by small contact area of the finger and the induction electrode is avoided; meanwhile, the size of the pressure sensor is relatively small, and more embedded pressure sensors can be arranged on the curved surface part with the same area, so that the signal quantity is improved, and the problem of sensitivity reduction caused by insufficient signal quantity is avoided.
Meanwhile, the embedded pressure sensor is small in size, so that the space utilization rate of the edge curved surface part can be improved.
Based on the same inventive concept, an embodiment of the present invention further provides a curved surface pressure touch display panel, where the display panel includes the curved surface pressure touch array substrate described in the above embodiment, and the structure and function of the curved surface pressure touch array substrate are the same as those in the above embodiment, and are not described again here.
In addition, an embodiment of the present invention further provides a curved surface pressure touch display device, please refer to fig. 9, where fig. 9 is a schematic cross-sectional structure diagram of a curved surface pressure touch display device structure provided in an embodiment of the present invention; the curved surface pressure touch display device provided by the embodiment of the invention comprises the curved surface pressure touch display panel.
In the prior art, a pressure sensor is externally hung, and the pressure sensor is arranged between a liquid crystal display panel and a cover plate, as shown in fig. 2; in the curved surface pressure touch display device provided in the embodiment of the present invention, since the pressure sensor is an embedded pressure sensor, as shown in fig. 9, the curved surface pressure touch display device for kicking the eurocoris wool in the embodiment of the present invention includes a display panel 1, a cover plate 2 covering the display panel 1, and an embedded pressure sensor 3 located on the surface of the display panel 1 away from the cover plate 2; i.e. the in-line pressure sensor 3 is located below the display panel 1. In this embodiment, the form panel 1 may be a liquid crystal display panel, and may also be an OLED flexible display panel. In this embodiment, a specific form of the curved surface pressure touch display device is not limited, and optionally, the curved surface pressure touch display device may be a computer, a television, a wearable smart device, a smart phone, and the like having a touch function.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A curved surface pressure touch array substrate, comprising:
the curved surface part is connected with the plane part and is positioned at the edge of the plane part;
a plurality of regularly arranged embedded pressure sensors positioned on the curved surface part;
wherein the in-line pressure sensor comprises a plurality of resistors for sensing external pressure;
a voltage applying circuit connected to the first and second connection terminals of the in-cell pressure sensor, respectively, for applying a voltage to the in-cell pressure sensor;
and the voltage detection circuit is respectively connected with the third connecting end and the fourth connecting end of the embedded pressure sensor and is used for acquiring the strain voltage of the embedded pressure sensor.
2. The curved pressure touch array substrate of claim 1, wherein the in-line pressure sensor comprises:
the silicon island piece is a diamond, two opposite vertexes of the diamond are connected and arranged along a first direction, and the first direction is the direction in which the center of the plane part points to the edge of the plane part.
3. The curved pressure touch array substrate of claim 2, wherein the plurality of in-cell pressure sensors comprises:
the first inline pressure sensor columns and the second inline pressure sensor columns are alternately arranged along the first direction;
the first in-line pressure sensor column comprises a plurality of first in-line pressure sensors which are arranged at intervals;
the second inline pressure sensor column includes a plurality of second inline pressure sensors arranged at intervals.
4. The curved pressure touch array substrate of claim 3, wherein each of the first in-line pressure sensors is disposed opposite to one of the second in-line pressure sensors in a same row.
5. The curved pressure touch array substrate of claim 3, wherein each of the first in-line pressure sensors is disposed opposite to a midpoint of a connecting line between two adjacent second in-line pressure sensors.
6. The curved-surface pressure touch array substrate according to claim 4 or 5, wherein the length of the silicon island sheet in the direction perpendicular to the first direction is 1% to 3%, inclusive, of the length of the curved surface portion in the direction perpendicular to the first direction.
7. The curved pressure touch array substrate of claim 6, wherein the silicon island pieces have a length perpendicular to the first direction of 30 μ ι η to 60 μ ι η, inclusive.
8. The curved pressure touch array substrate of claim 2, wherein the silicon island is located at an intersection of the planar portion and the curved portion.
9. The curved pressure touch array substrate of claim 2, wherein the silicon island is located at an edge of the curved portion facing away from the planar portion.
10. The curved pressure touch array substrate of claim 1, wherein the curved portions are located at opposite edges of the planar portion.
11. A curved surface pressure touch display panel, comprising:
the curved pressure touch array substrate of any one of claims 1-10.
12. A curved surface pressure touch display device, comprising:
the curved pressure touch display panel of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280608.3A CN110941372B (en) | 2019-12-13 | 2019-12-13 | Curved surface pressure touch array substrate, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280608.3A CN110941372B (en) | 2019-12-13 | 2019-12-13 | Curved surface pressure touch array substrate, display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110941372A true CN110941372A (en) | 2020-03-31 |
| CN110941372B CN110941372B (en) | 2022-10-25 |
Family
ID=69910915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911280608.3A Active CN110941372B (en) | 2019-12-13 | 2019-12-13 | Curved surface pressure touch array substrate, display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110941372B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140204285A1 (en) * | 2013-01-24 | 2014-07-24 | Hyoung-Wook Jang | Flexible display device having touch and bending sensing function |
| CN107438819A (en) * | 2014-10-30 | 2017-12-05 | 蒂莫西·金·因·塞托 | Electronic equipment with pressure sensitive side |
| CN109213368A (en) * | 2017-07-06 | 2019-01-15 | 三星显示有限公司 | Touch sensor and display device including the touch sensor |
| CN109471548A (en) * | 2017-09-07 | 2019-03-15 | 希迪普公司 | Side has the mobile terminal device of touch pressure detecting part |
| CN110471553A (en) * | 2018-05-11 | 2019-11-19 | 三星显示有限公司 | Display device and pressure sensor structure |
-
2019
- 2019-12-13 CN CN201911280608.3A patent/CN110941372B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140204285A1 (en) * | 2013-01-24 | 2014-07-24 | Hyoung-Wook Jang | Flexible display device having touch and bending sensing function |
| CN107438819A (en) * | 2014-10-30 | 2017-12-05 | 蒂莫西·金·因·塞托 | Electronic equipment with pressure sensitive side |
| CN109213368A (en) * | 2017-07-06 | 2019-01-15 | 三星显示有限公司 | Touch sensor and display device including the touch sensor |
| CN109471548A (en) * | 2017-09-07 | 2019-03-15 | 希迪普公司 | Side has the mobile terminal device of touch pressure detecting part |
| CN110471553A (en) * | 2018-05-11 | 2019-11-19 | 三星显示有限公司 | Display device and pressure sensor structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110941372B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI341980B (en) | Force and location imaging touch pad and electronic device | |
| CN103823592B (en) | Display device with mechanical sensing function | |
| US9182859B2 (en) | Capacitive touch panel with force sensing | |
| US20100156811A1 (en) | New pattern design for a capacitive touch screen | |
| TWI427522B (en) | Touch sensing apparatus and touch sensing method | |
| CN100367180C (en) | Touch panel and input device including the same | |
| CN107340912B (en) | Touch panel, touch display device and touch pressure detection method | |
| US20090096760A1 (en) | Capacitance type touch panel | |
| US20090262095A1 (en) | Electrostatic Capacitance Type Touch Panel and Screen Input Display Device Including the Same | |
| TWI541712B (en) | Touch screen, touch panel, and driving method thereof | |
| US20180275809A1 (en) | In-cell touch screen and display device | |
| US10296139B2 (en) | Refreshing method of sensing baseline values for capacitive sensor device and capacitive sensor device | |
| KR20180093972A (en) | Flexible sensor | |
| CN106855764B (en) | Touch display device | |
| CN104407466A (en) | Display substrate, display panel and display device | |
| KR101473184B1 (en) | A capacitive touch screen for integrated of fingerprint recognition of swipe type | |
| US20180095562A1 (en) | Capacitive input device | |
| TW201040808A (en) | Touch panel for a multiplicity of input | |
| US10310646B2 (en) | Touch display panel, touching display device having reduced signal interferences and driving method thereof | |
| KR20100019810A (en) | Touch screen system | |
| US20140111447A1 (en) | Touch screen panel | |
| CN110941372B (en) | Curved surface pressure touch array substrate, display panel and display device | |
| CN107256106B (en) | Array substrate, liquid crystal display panel, touch display device and touch driving method | |
| CN106855758A (en) | Touch display unit | |
| CN106502478B (en) | touch display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |