CN109375821B - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN109375821B CN109375821B CN201811491295.1A CN201811491295A CN109375821B CN 109375821 B CN109375821 B CN 109375821B CN 201811491295 A CN201811491295 A CN 201811491295A CN 109375821 B CN109375821 B CN 109375821B
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention provides a touch display panel and a touch display device. The touch display panel and the touch display device provided by the embodiment of the invention comprise a first substrate base plate, a second substrate base plate, a grid line, a data line, a pixel unit, a first touch electrode, a second touch electrode and a plurality of metal bridges. A first notch is formed between one first touch electrode and one adjacent second touch electrode, a first included angle is formed between an extension line of the first notch and the metal bridging bridge, the angle of the first included angle is larger than or equal to 60 degrees, and the angle of the first included angle is larger than or equal to 70 degrees. According to the touch display panel and the touch display device provided by the invention, the angle of the first included angle formed by the extension line of the first notch and the metal bridge is set between 60 degrees and 70 degrees, so that the problem of visible graphs can be effectively solved, and the display effect of the touch display panel and the touch display device is improved.
Description
Technical Field
The present invention relates to the field of display, and in particular, to a touch display panel and a touch display device including the same.
Background
Currently, with the increasing progress of display technology, people not only want display panels to have more functions, but also have higher and higher requirements for display screens. Nowadays, touch display panels have become the mainstream of panel choices of mobile phones, tablet computers, small-sized game devices, notebooks, and the like. In order to be thinner and lighter, touch panels at present generally integrate touch electrodes on display panels, such as color film substrates, array substrates, organic light emitting panels, and the like, but this also results in some display defects, such as bright lines or visible electrode patterns, which affect the visual perception of users.
Disclosure of Invention
The embodiment of the invention provides a touch display panel, which can solve the problem that the visual perception of a user is influenced by the visible graph in the touch panel in the prior art.
An embodiment of the present invention provides a touch display panel, including:
a first substrate base plate;
a second substrate base plate, the second substrate base plate and the first substrate base plate being arranged oppositely;
a plurality of gate lines;
a plurality of data lines intersecting the gate lines in an insulated manner;
the gate lines, the data lines and the pixel units are all positioned between the first substrate base plate and the second substrate base plate;
a plurality of first touch electrodes;
a plurality of second touch electrodes, the second touch electrodes and the first touch electrodes being located on the same layer;
a plurality of metal bridges;
a first notch is formed between one first touch electrode and the adjacent second touch electrode, and a second notch is formed between the first touch electrode and the adjacent other second touch electrode;
the extension line of the first notch and the metal bridge span have a first included angle, the angle of the first included angle is larger than or equal to 60 degrees, and the angle of the first included angle is smaller than or equal to 70 degrees.
According to the touch display panel provided by the embodiment of the invention, the angle of the first included angle formed by the first notch between the first touch electrode and the adjacent second touch electrode and the metal bridge is set to be 60-70 degrees (including an end point value), so that the visual sensitivity of human eyes is weakened, the problem of visible graphs is solved, and the display effect of the touch display panel is improved.
The embodiment of the invention also provides a touch display device which comprises the touch display panel provided by the embodiment of the invention.
According to the touch display device provided by the embodiment of the invention, the included angle of the first included angle formed by the first notch between the first touch electrode and the adjacent second touch electrode and the metal bridge is set to be 60-70 degrees (including an end point value), so that the visual sensitivity of human eyes is weakened, the problem of visible graphs is solved, and the display effect of the touch display device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a touch display panel according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a touch unit of a touch display panel according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a touch unit of another touch display panel according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a touch unit of another touch display panel according to an embodiment of the present invention;
fig. 5 is a schematic view of a touch unit of another touch display panel according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the first score line of FIG. 5;
fig. 7 is a top view of a touch display panel according to an embodiment of the invention;
fig. 8 is a schematic diagram of a hierarchy of a touch display panel according to an embodiment of the present invention;
fig. 9 is a top view of a touch display device according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first, second, third, etc. may be used to describe the substrate base, the touch electrodes, the corners, the straight portions in the embodiments of the present invention, these substrate base, touch electrodes, the corners, the straight portions should not be limited to these terms. These terms are only used to distinguish the substrate base, the touch electrodes, the corners, and the straight portions from each other. For example, the first substrate, the touch electrode, the corner, and the straight portion may also be referred to as a second substrate, the touch electrode, the corner, and the straight portion, and similarly, the second substrate, the touch electrode, the corner, and the straight portion may also be referred to as the first substrate, the touch electrode, the corner, and the straight portion, without departing from the scope of the embodiments of the present invention.
As shown in fig. 1, the touch display panel 100 includes a first substrate 20, a second substrate 30, a gate line G, a data line D, a pixel unit P, a first touch electrode 42, a second touch electrode 44, and a plurality of metal bridges 46. The second base substrate 30 is disposed opposite to the first base substrate 20, and the data line D intersects the gate line G in an insulated manner. The pixel units P are arranged in an array, and the gate lines G, the data lines D and the pixel units P are located between the first substrate 20 and the second substrate 30. The gate lines G, the data lines D, and the pixel units P may be formed on a side of the first substrate 20 adjacent to the second substrate 30.
With reference to fig. 1, the touch display panel 100 further includes a plurality of first touch electrodes 42, a plurality of second touch electrodes 44, and a plurality of metal bridges 46. Fig. 1 shows that the first touch electrode 42, the second touch electrode 44 and the metal bridge 46 are located on a side of the second substrate 30 away from the first substrate 20, that is, the first touch electrode 42, the second touch electrode 44 and the metal bridge 46 adopt an on-cell (integrated on an outer surface of the first substrate 20 or the second substrate 30) touch mode.
Referring to fig. 1 and 2, a first slit K1 is formed between one first touch electrode 42 and one adjacent second touch electrode 44, and a second slit K2 is formed between the first touch electrode 42 and the other adjacent second touch electrode 44. The two second touch electrodes 44 arranged along the first direction X are separated by one first touch electrode 42 extending along the second direction Y, and the first touch electrode 42 and the two second touch electrodes 44 form a first slit K1 and a second slit K2, respectively. It should be noted that "extending along the … … direction" and "extending along the … … direction" in the embodiment of the invention are both a main direction (macro direction) formed by the arrangement of the plurality of first touch electrodes 42 and the plurality of second touch electrodes 44 in the top view of the touch display panel 100. An extension line of the first notch K1 has a first included angle α with the metal bridge 46, the angle of the first included angle α is ≧ 60 degrees, and the angle of the first included angle α is ≦ 70 degrees, i.e., the angle of the first included angle α is between 60 degrees and 70 degrees (inclusive).
In contrast to the various embodiments of the present invention, as shown in fig. 3, the angle of the metal bridge 46 is adjusted to be perpendicular to the second direction Y, i.e. the metal bridge 46 extends in the same direction as the first direction X. The angle of the first included angle α between the extension line of the first slit K1 and the metal bridge 46 can be changed. As shown in fig. 4, by alternately arranging the common strip-shaped second touch electrodes 44 and the block-shaped first touch electrodes 42 along the first direction X, an angle of a first included angle α between the extension line of the first slit K1 and the metal bridge 46 is 90 degrees.
Table 1 shows that when the angle of the first included angle α changes, the minimum human eye resolution scale of 0.1mm is selected as the unit length. The display effect was studied using as the unit area a square with side length as the unit length or a circular area with diameter as the unit length.
| Angle of the first angle alpha | Display effect |
| 45 degree | Graphic visualization |
| 55 degree | The figure is slightly visible |
| 60 degree | The pattern is invisible |
| 65 degree | The pattern is invisible |
| 70 degree | The pattern is invisible |
| 75 degree | The figure is slightly visible |
| 90 degree | The figure is obviously visible |
TABLE 1
With reference to fig. 1 and fig. 2, it can be seen from the data in table one that when the angle of the first included angle α is 90 degrees, the pattern is clearly visible, because the metal bridge 46 is consistent with the extending direction of the data line D, the metal bridge 46 is perpendicular to the extending direction of the gate line G, and the arrangement rule of the whole touch array and display array patterns is highly consistent, so that the pattern is clearly visible. Similarly, when the first touch electrode 42 is a strip, and the second touch electrode 44 is a block, the metal bridge 46 is aligned with the extending direction of the gate line G, the metal bridge 46 is perpendicular to the extending direction of the data line D, and the entire touch array and the display array are arranged at the same regular height, so that the visibility of the pattern is obvious.
When the first included angle α is 45 degrees, if the metal bridge 46 is perpendicular to the gate line G or the metal bridge 46 is perpendicular to the data line D, the first notch K1 forms a 45-degree included angle with the gate line G, and the first notch K1 forms a 45-degree included angle with the data line D. The problem of the pattern being visible is also easily encountered when the arrangement of the first slit K1 and the metal bridge 46 is just after the display array has been rotated 45 degrees.
When the angle of the first included angle α is between 60 degrees and 70 degrees (inclusive), the arrangement of the whole touch array and the display array is not obviously related, so that the graphic visibility problem is greatly reduced.
In summary, in the touch display panel 100 provided by the embodiment of the invention, the angle of the first included angle α formed by the first seam K1 between the first touch electrode 42 and the adjacent second touch electrode 44 and the metal bridge 46 is set to be between 60 degrees and 70 degrees (including an end point value), so that the visual sensitivity of human eyes is weakened, the problem of visible graphics is solved, and the display effect of the touch display panel is improved.
Further, with continued reference to fig. 1 and fig. 2, an extension line of the first slit K1 and an extension line of the second slit K2 form a second included angle β, an angle of the second included angle β is ≧ 85 degrees, and an angle of the second included angle β is ≦ 95 degrees. That is, an included angle between an edge of the first touch electrode 42 adjacent to the first slit K1 and an edge of the first touch electrode 42 adjacent to the second slit K2 is between 85 degrees and 95 degrees.
Further, the angle for the second angle β is not equal to 90 degrees.
As shown in fig. 5, the first notch includes a first straight portion L1, a second straight portion L2, a third straight portion L3, and a fourth straight portion L4. The first linear portion L1 is in contact with the second linear portion L2, the second linear portion L2 is in contact with the third linear portion L3, and the third linear portion L3 is in contact with the fourth linear portion L4. The first linear portion L1 is not parallel to the second linear portion L2, the second linear portion L2 is not parallel to the third linear portion L3, and the third linear portion L3 is not parallel to the fourth linear portion L4. That is, the first notch may be a zigzag shape and composed of a plurality of straight line portions, that is, the edges of the first touch electrode 42 and the second touch electrode 44 may be zigzag-shaped to further reduce the uniformity of the pattern arrangement, thereby solving the problem of pattern visibility.
Further, fig. 6 shows a simplified diagram of each straight line portion in fig. 5, and referring to fig. 5 and fig. 6, an angle between the first straight line portion L1 and the first direction X is a first corner θ 1, an angle between the second straight line portion L2 and the first direction X is a second corner θ 2, and an angle between the third straight line portion L3 and the first direction X is a third corner θ 3. The angle of the second corner theta 2 is greater than that of the first corner theta 1, and the angle of the second corner theta 2 is greater than that of the third corner theta 3.
The angle of the second corner theta 2 is set to be larger than the angle of the first corner theta 1, meanwhile, the angle of the second corner theta 2 is set to be larger than the angle of the third corner theta 3, the degree change of the included angle between the straight line part and the first direction X is not increased or decreased, the included angle between the straight line part and the first direction X is set to be larger than the included angle between the straight line part on two sides connected with the straight line part and the first direction X, the regular change in the zigzag direction of the first notch seam can be broken through, the visual sensitivity of a user is weakened, and the problem that a graph is visible is solved.
In other embodiments of the present invention, the angle ranges of the first corner θ 1, the second corner θ 2, and the third corner θ 3 may be set on the premise that the angle of the first corner θ 1 is smaller than the angle of the second corner θ 2, and the angle of the third corner θ 3 is smaller than the angle of the second corner θ 2, so that the serrations of different first touch electrodes 42 may adopt a non-fixed design.
Further, the angle of the first corner θ 1 is ≧ 20 degrees and the angle of the first corner θ 1 is ≦ 30 degrees, that is, the angle of the first corner θ 1 is between 20 degrees and 30 degrees (inclusive).
Further, the angle of the second corner θ 2 ≧ 50 degrees and the angle of the second corner θ 2 ≦ 70 degrees, that is, the angle of the second corner θ 2 is between 50 degrees and 70 degrees (inclusive).
Further, the angle of the third corner θ 3 is ≧ 40 degrees and the angle of the third corner θ 3 is ≦ 60 degrees, that is, the angle of the third corner θ 3 is between 40 degrees and 60 degrees (inclusive).
In the touch display panel 100 provided by the embodiment of the invention, the first notch is arranged to be a broken line type, the angle of the second corner θ 2 is greater than the angle of the first corner θ 1 and the angle of the third corner θ 3 at the same time, and the angles of the first corner θ 1, the second corner θ 2 and the third corner θ 3 are arranged within a certain range, so that the shape of the first notch and the extending direction of each straight line part can be flexibly set, the first touch electrode 42 adopts different designs within a certain range, the arrangement rule of the touch array is weakened, and the problem that the graph is visible is solved. The display effect of the touch display panel 100 provided by the embodiment of the invention is further improved.
As shown in fig. 7, a plurality of gate lines G, a plurality of data lines D, a plurality of reference voltage signal lines VREF, a plurality of light emitting signal control lines EM, a plurality of organic light emitting diodes Q, at least one first power signal line VDD, at least one second power signal line VSS, and a plurality of pixel units P are disposed on a first substrate 20 of the touch display panel 100. That is, the first substrate 20 of the touch display panel 100 is an array substrate of an organic light emitting display panel.
Referring to fig. 7 and 8, the first touch electrode 42, the second touch electrode 44 and the metal bridge 46 are all located on a side of the second substrate 30 away from the first substrate 20. That is, the touch array is integrated on the touch display panel 100 in an on-cell configuration. The touch display panel 100 includes a driving layer 50 and a plurality of organic light emitting diodes Q. The driving layer 50 includes a gate line G, a data line D, a reference voltage signal line VREF, a light emission signal control line EM, a first power signal line VDD, a second power signal line VSS, and a driving transistor and a capacitor device. The driving layer 50 is used to drive the organic light emitting diodes Q to emit light.
With continued reference to fig. 7 and 8, the second substrate 30 includes a first inorganic layer 31, a first organic layer 32, and a second inorganic layer 33 stacked on top of each other. That is, the second substrate 30 is a multi-layer film covering the first substrate 20, that is, the touch display panel 100 is packaged by a film. The touch display panel 100 includes at least two barriers 60 at the edge, the first inorganic layer 31 and the second inorganic layer 33 cover the first barrier 60 near the organic light emitting diode Q, and the first organic layer 32 is completely located at one side of the first barrier 60 near the organic light emitting diode Q, i.e., completely blocked by the first barrier 60 near the organic light emitting diode Q. The first inorganic layer 31 and the second inorganic layer 33 are entirely located at one side of the second dam 60 adjacent to the organic light emitting diode Q, i.e., are entirely blocked by the second dam 60 adjacent to the organic light emitting diode Q.
Further, the first substrate 20 may be a flexible substrate, and the touch display panel 100 is a flexible and bendable panel integrating touch and display functions.
According to the touch display panel 100 provided by the embodiment of the invention, due to the adoption of the on-cell touch integrated mode, the distance between the touch array and the display array is reduced, and the requirement on invisibility of the touch array is higher. By adopting the touch array setting mode provided by the embodiment of the invention, the touch array can be completely invisible, the thickness of the touch display panel 100 is reduced, the integration of flexible touch display is realized, and the display effect of the touch display panel 100 is improved.
As shown in fig. 9, the touch display device 500 includes the touch display panel 100 according to the embodiment of the present invention.
It should be noted that fig. 9 only shows one shape of the touch display device 500, and in other embodiments of the present invention, the shape of the touch display device 500 may be a circle, an ellipse, a non-rectangle, or other shapes. The non-display area design of sea, hole digging and water drop can be performed on the touch display device 500.
In the touch display device 500 provided by the embodiment of the invention, the included angle of the first included angle α formed by the first notch K1 between the first touch electrode 42 and the adjacent second touch electrode 44 and the metal bridge 46 is set to be between 60 degrees and 70 degrees (including an endpoint value) by the included touch display panel 100, so that the weakening of the visual sensitivity of human eyes is realized, the problem of visible graphs is solved, and the display effect of the touch display device is improved.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on at least two network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A touch display panel, comprising:
a first substrate base plate;
a second substrate base plate, the second substrate base plate and the first substrate base plate being arranged oppositely;
a plurality of gate lines;
a plurality of data lines intersecting the gate lines in an insulated manner;
the gate lines, the data lines and the pixel units are all positioned between the first substrate base plate and the second substrate base plate;
a plurality of first touch electrodes;
a plurality of second touch electrodes, the second touch electrodes and the first touch electrodes being located on the same layer;
a plurality of metal bridges;
each first touch electrode extends along a second direction, the plurality of second touch electrodes are arranged along the first direction, every two adjacent second touch electrodes along the first direction are separated by one first touch electrode and are connected through the metal bridge, and the first direction and the second direction are crossed;
a first notch is formed between one first touch electrode and the adjacent second touch electrode, and a second notch is formed between the first touch electrode and the adjacent other second touch electrode;
the extension line of the first notch and the metal bridge span have a first included angle, the angle of the first included angle is larger than or equal to 60 degrees, and the angle of the first included angle is smaller than or equal to 70 degrees.
2. The touch display panel of claim 1, wherein an angle between a side of the first touch electrode adjacent to the first notch and a side of the first touch electrode adjacent to the second notch is a second angle, the second angle is greater than or equal to 85 degrees, and the second angle is less than or equal to 95 degrees.
3. The touch display panel according to claim 1, wherein the first notch comprises a first straight portion, a second straight portion, a third straight portion, and a fourth straight portion, the first straight portion is connected to the second straight portion, the second straight portion is connected to the third straight portion, and the third straight portion is connected to the fourth straight portion;
the first linear portion is not parallel to the second linear portion;
the second linear portion is not parallel to the third linear portion;
the third linear portion is not parallel to the fourth linear portion.
4. The touch display panel of claim 3, wherein an angle between the first linear portion and the first direction is a first corner, an angle between the second linear portion and the first direction is a second corner, an angle between the third linear portion and the first direction is a third corner,
the angle of the second corner is greater than the angle of the first corner;
the angle of the second corner is greater than the angle of the third corner.
5. The touch display panel of claim 4, wherein the angle of the first corner is ≧ 20 degrees and the angle of the first corner is ≦ 30 degrees.
6. The touch display panel of claim 5, wherein the angle of the second corner is ≧ 50 degrees and the angle of the second corner is ≦ 70 degrees.
7. The touch display panel of claim 6, wherein the angle of the third corner is ≧ 40 degrees and the angle of the third corner is ≦ 60 degrees.
8. The touch display panel of claim 1, wherein the first touch electrode, the second touch electrode, and the metal bridge are all located on a side of the second substrate away from the first substrate.
9. The touch display panel according to claim 8, wherein the touch display panel comprises a plurality of organic light emitting diodes, and the second base substrate comprises a first inorganic layer, a first organic layer, and a second inorganic layer stacked.
10. A touch display device comprising the touch display panel according to any one of claims 1 to 9.
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| CN201811491295.1A CN109375821B (en) | 2018-12-07 | 2018-12-07 | Touch display panel and touch display device |
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| CN111256954B (en) * | 2020-01-17 | 2021-08-24 | 昆山国显光电有限公司 | Display panel pixel arrangement evaluating method and device and display panel |
| CN111722762A (en) * | 2020-07-15 | 2020-09-29 | 武汉华星光电半导体显示技术有限公司 | Touch control display device |
| CN114077328B (en) * | 2020-08-18 | 2024-01-30 | 京东方科技集团股份有限公司 | Touch panel and touch display panel |
| CN112083830A (en) * | 2020-09-18 | 2020-12-15 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| CN114153328B (en) * | 2021-12-03 | 2024-01-23 | 武汉天马微电子有限公司 | Display panel and display device |
| CN115686254A (en) * | 2022-06-06 | 2023-02-03 | 武汉华星光电半导体显示技术有限公司 | Touch control display panel |
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