CN111930266A - Touch panel and display device - Google Patents
Touch panel and display device Download PDFInfo
- Publication number
- CN111930266A CN111930266A CN202010969280.2A CN202010969280A CN111930266A CN 111930266 A CN111930266 A CN 111930266A CN 202010969280 A CN202010969280 A CN 202010969280A CN 111930266 A CN111930266 A CN 111930266A
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- signal line
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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
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a touch panel and a display device. The touch panel comprises a display area, a lower frame area and a bending area, wherein a longitudinal touch group is formed by each row of a plurality of touch sensing blocks and a plurality of touch signal lines electrically connected with the touch sensing blocks in the display area; and a first signal line convergence area and a second signal line convergence area which are both in a T shape are arranged in the lower frame area, and the two upper sides of the first signal line convergence area and the second signal line convergence area are respectively and electrically connected with the second ends of the touch signal lines with the same number of the plurality of longitudinal touch groups. And the wiring part of the touch signal line is arranged in the display area, so that the width of the lower frame area can be reduced, the narrow frame design of the touch panel is realized, the output rate of a large panel can be synchronously improved, and the productivity is improved.
Description
Technical Field
The present invention relates to display technologies, and in particular, to a touch panel and a display device.
Background
The current display device technology mainly comprises a liquid crystal display, a plasma display device, organic electroluminescence and active matrix organic electroluminescence, and has wide application space in vehicle-mounted, mobile phone, tablet, computer and television products.
Generally, touch function has become one of the standards of most display devices, and capacitive touch screens are widely used, and the basic principle is to generate capacitance with a touch screen by using a tool such as a finger or a stylus, and to determine whether a panel is touched and determine touch coordinates by using an electrical signal generated by capacitance change before and after touch.
An important touch technology of the capacitive touch panel is self-contained type, as shown in fig. 1, and fig. 1 is a schematic structural diagram of a touch panel in the prior art. The touch panel 90 includes a display area 91, a lower frame area 92(Down border) and a bending area 93, wherein a plurality of touch sensing blocks 911 are arranged in an array in the display area 91, the display area is divided into left and right side areas by a longitudinal central axis of the touch panel 90, the touch sensing blocks 911 in the left and right side areas are respectively connected by touch signal lines 912 and extend downwards to the lower frame area 92, the touch signal lines 912 are combined into a touch signal line combining area 921 at an edge position of the lower frame area 92, the combined touch signal line combining area 921 is 7-shaped or inverted L-shaped, the upper portion of the combined touch signal line combining area has a certain width W, the corresponding lower frame area 92 has a certain width H, the value of W is smaller than the value of H, and the width W is one of important indexes for evaluating the appearance of the display device from the display area 91 to the bending area 93. A left and a right touch integrated circuits 931 are disposed in the bending region 93 and respectively connected to the touch signal lines 912 in the left and right regions. A display integrated circuit 932 is further disposed in the bending region 93, and the display integrated circuit 932 is disposed between the left and right touch integrated circuits 931 and electrically connected to a display signal line 913 extending from the display region 91 to the lower frame region 92.
As the size of display devices increases; the width W of the merging area of the touch signal lines is increased correspondingly to the increase of the touch signal lines, so that the width H of the lower frame area is increased, which is not beneficial to Narrow lower frame (Narrow down border) design; and the increase of the width H of the lower frame area leads to larger space required by the manufacturing of the display device, and influences the yield of large boards.
Disclosure of Invention
The invention provides a touch panel and a display device, and aims to solve the technical problems that in the prior art, the touch signal line causes a wide frame and influences the yield of a large panel.
The invention provides a touch panel, which comprises a display area, a lower frame area and a bending area, wherein the display area, the lower frame area and the bending area are divided into a first wiring area and a second wiring area along a longitudinal central axis of the touch panel; the lower frame area is partially positioned in the display area, and the junction position of the lower frame area and the bending area is a bending part.
A plurality of touch sensing blocks and a plurality of touch signal lines which are arranged in an array manner are arranged in the display area, and the first end of each touch signal line is electrically connected with one touch sensing block; each row of the touch sensing blocks and the touch signal lines electrically connected with the touch sensing blocks form a longitudinal touch group.
A first signal wire junction area is arranged in the first wiring area, and a second signal wire junction area is arranged in the second wiring area; the upper part of the first signal line convergence area is positioned in the display area, the two sides of the upper part of the first signal line convergence area are respectively and electrically connected with the second ends of the touch signal lines with the same number as the plurality of longitudinal touch groups, and the lower part of the first signal line convergence area is positioned in the lower frame area; the upper part of the second signal line convergence area is positioned in the display area, two sides of the upper part of the second signal line convergence area are respectively and electrically connected with the second ends of the touch signal lines with the same number of the plurality of longitudinal touch groups, and the lower part of the second signal line convergence area is positioned in the lower frame area.
And a first touch integrated circuit and a second touch integrated circuit are arranged in the bending area, the first touch integrated circuit is positioned in the first wiring area and is electrically connected with the first signal line junction area, and the second touch integrated circuit is positioned in the second wiring area and is electrically connected with the second signal line junction area. Specifically, the first extension portion is electrically connected to the first touch integrated circuit, and the second extension portion is electrically connected to the second touch integrated circuit.
Furthermore, first signal line confluence area includes first fan-shaped connecting portion and first extension, first fan-shaped connecting portion are down trapezoidal, its both ends respectively with equal quantity the second end electric connection of touch-control signal line, first extension with the middle part of first fan-shaped connecting portion is connected.
Furthermore, the second signal line convergence area comprises a second fan-shaped connecting portion and a second extending portion, the second fan-shaped connecting portion is in an inverted trapezoid shape, two ends of the second fan-shaped connecting portion are electrically connected with the second ends of the touch signal lines in the same number respectively, and the second extending portion is connected with the middle of the second fan-shaped connecting portion.
Further, the first fan-shaped connecting portion and the first extending portion are integrally arranged, and the first fan-shaped connecting portion and the first extending portion have the same longitudinal symmetry axis.
Furthermore, the second fan-shaped connecting portion and the second extending portion are integrally arranged, and the second fan-shaped connecting portion and the second extending portion have the same longitudinal symmetry axis.
Furthermore, the touch sensing block and the touch signal line are located on the same layer, or the touch signal line passes through a via hole to be electrically connected with the touch sensing block.
Further, in the longitudinal direction, the width of the lower frame area is H, the width of the upper portion of the first signal line convergence area is W, and the width of the touch sensing block is a, so that H-W < a is satisfied.
Furthermore, the touch sensing blocks are even rows, and the longitudinal touch groups are even groups. The arrangement ensures that the number of the longitudinal touch groups in the first routing area and the second routing area is equal, and the number of the longitudinal touch groups in the first signal line junction area and the second signal line junction area is equal, namely, the number of the touch signal lines in the first signal line junction area and the second signal line junction area is equal.
In order to solve the above problems, the present invention further provides a display device including any one of the above touch panels.
Further, the display device further comprises a display panel integrally arranged with the touch panel; a display integrated circuit is further arranged in the bending area, and the display integrated circuit is positioned between the first touch integrated circuit and the second touch integrated circuit; the display area is internally provided with a plurality of pixel units arranged in an array mode and a plurality of display signal wires connected with the pixel units, and the display signal wires longitudinally extend through the lower frame area and are electrically connected with the display integrated circuit in the bending area.
The touch panel and the display device have the advantages that the touch signal wire routing part is placed in the display area, the two sides of the upper part of the first signal wire junction area are respectively and electrically connected with the second ends of the touch signal wires with the same number as that of the plurality of longitudinal touch groups, and the two sides of the upper part of the second signal wire junction area are respectively and electrically connected with the second ends of the touch signal wires with the same number as that of the plurality of longitudinal touch groups, so that the width of the lower frame area can be reduced, the narrow frame design of the touch panel is realized, the large panel output rate can be synchronously improved, the product is optimized in appearance, capacity and cost, and the product market competitiveness of companies is improved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a touch panel in the prior art.
Fig. 2 is a schematic plan view of a touch panel according to an embodiment of the invention.
The designations in the drawings are as follows:
1. a touch sensing block 2, a touch signal line 3, a first signal line junction area,
4. a second signal line junction region 5, a first touch integrated circuit 6, a second touch integrated circuit,
7. a display integrated circuit 8, a display signal line 10, a vertical touch group,
31. a first fan-shaped connecting portion 32, a first extending portion,
41. a second fan-shaped connecting portion 42, a second extending portion 100, a touch panel,
101. a display area, 102, a lower frame area, 103, a bending area,
110. a first wiring area 120 and a second wiring area.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are used for explaining and explaining the present invention, but not for limiting the scope of the present invention. When certain components are described as being "on" another component, the component can be directly on the other component; there may also be an intermediate component disposed on the intermediate component and the intermediate component disposed on another component.
As shown in fig. 2, the touch panel 100 in the embodiment of the present invention includes a display area 101, a lower frame area 102, and a bending area 103, where the display area 101, the lower frame area 102, and the bending area 103 are divided into a first wire area 110 and a second wire area 120 along a longitudinal central axis of the touch panel 100, the first wire area 110 is a left half portion of the touch panel 100, and the second wire area 120 is a right half portion of the touch panel 100; the lower frame region 102 is partially located in the display region 101, and a boundary position between the lower frame region 102 and the bending region 103 is a bending portion. The lower frame area 102 can be understood as a non-display area disposed around the display area 101 adjacent to a lower area of the bending area 103.
As shown in fig. 2, a plurality of touch sensing blocks 1 and a plurality of touch signal lines 2 are arranged in an array in the display area 101, and a first end of each touch signal line 2 is electrically connected to one touch sensing block 1; each row of the touch sensing blocks 1 and the touch signal lines 2 electrically connected thereto form a vertical touch group 10. The touch sensing blocks 1 are arranged in a matrix manner, and are uniformly distributed and arranged in two directions of rows and columns, m and n respectively represent the number of the sensing blocks in the row direction and the column direction, and then m and n are positive integers, wherein m is 4, and n is 5 in the figure.
As shown in fig. 2, a first signal line junction region 3 is provided in the first wiring region 110, and a second signal line junction region 4 is provided in the second wiring region 120. The upper portion of the first signal line convergence region 3 is located in the display region 101, two sides of the upper portion of the first signal line convergence region 3 are respectively and electrically connected to the second ends of the touch signal lines 2 with the same number as the plurality of longitudinal touch groups 10, and the lower portion of the first signal line convergence region 3 is located in the lower frame region 102, specifically, the first signal line convergence region 3 includes a first sector-shaped connection portion 31 and a first extension portion 32, the first sector-shaped connection portion 31 is in an inverted trapezoid shape and is an upper portion structure of the first signal line convergence region 3, two ends of the first signal line convergence region are respectively and electrically connected to the second ends of the touch signal lines 2 with the same number, and the first extension portion 32 is connected to the middle portion of the first sector-shaped connection; the first fan-shaped connecting portion 31 and the first extending portion 32 are integrally formed, and the first fan-shaped connecting portion 31 and the first extending portion 32 have the same longitudinal symmetry.
The upper portion of the second signal line merging region 4 is located in the display region 101, two sides of the upper portion of the second signal line merging region 4 are respectively and electrically connected to the second ends of the touch signal lines 2 of the same number of the plurality of longitudinal touch groups 10, and the lower portion of the second signal line merging region 4 is located in the lower frame region 102, specifically, the second signal line merging region 4 includes a second sector-shaped connecting portion 41 and a second extending portion 42, the second sector-shaped connecting portion 41 is in an inverted trapezoid shape and is an upper portion structure of the second signal line merging region 4, two ends of the second signal line merging region are respectively and electrically connected to the second ends of the touch signal lines 2 of the same number, and the second extending portion 42 is connected to the middle portion of the second sector-shaped connecting; the second sector-shaped connecting portion 41 and the second extending portion 42 are integrally disposed, and the second sector-shaped connecting portion 41 and the second extending portion 42 have the same longitudinal symmetry axis.
As shown in fig. 2, in the present embodiment, the lower frame area 102 is disposed adjacent to the touch sensing block 1 of the display area 101, and there is no overlapping area therebetween. In this embodiment, the upper portions of the first signal line junction area 3 and the second signal line junction area 4 are located in the display area 101, so that the lower frame area 102 and the touch sensing block 1 of the display area 101 can be arranged in a close proximity manner, the widths of the first signal line junction area 3 and the second signal line junction area 4 in the lower frame area 102 outside the display area 101 are reduced, the width of the lower frame area 102 can be effectively reduced, the narrow-frame design of the touch panel 100 is realized, the yield of a large panel can be synchronously improved, and the productivity is improved.
In other embodiments, the touch signal line 2 may not be disposed in the row of touch sensing blocks 1 of the display area 101 adjacent to the lower frame area 102, so as to ensure that there is no overlapping area between the lower frame area 102 and the touch sensing blocks 1 of the display area 101.
As shown in fig. 2, a first touch integrated circuit 5 and a second touch integrated circuit 6 are disposed in the bending region 103, the first touch integrated circuit 5 is located in the first wiring region 110 and electrically connected to the first signal line junction region 3, and the second touch integrated circuit 6 is located in the second wiring region 120 and electrically connected to the second signal line junction region 4. Specifically, the first extension portion 32 is electrically connected to the first touch integrated circuit 5, and the second extension portion 42 is electrically connected to the second touch integrated circuit 6.
In this embodiment, the touch sensing block 1 and the touch signal line 2 are located in the same layer, or the touch signal line 2 passes through a via hole to be electrically connected to the touch sensing block 1.
In this embodiment, in the longitudinal direction, the width of the lower bezel region 102 is H, the width of the upper portion of the first signal line junction region 3 is W, and the width of the touch sensing block 1 is a, which satisfies H-W < a. This allows both the bending requirements to be met and the width of the lower frame region 102 to be minimized.
In this embodiment, the touch sensing blocks 1 are even rows, and the vertical touch groups 10 are even groups. This arrangement ensures that the number of the longitudinal touch groups 10 in the first routing area 110 and the second routing area 120 is equal, and the number of the longitudinal touch groups 10 in the first signal line convergence area 3 and the second signal line convergence area 4 is equal, i.e., the number of the touch signal lines 2 in the first signal line convergence area 3 and the second signal line convergence area 4 is equal.
It should be noted that the present invention is also applicable to the touch panel 100 based on other technologies such as mutual capacitance.
In order to solve the above problem, the present invention further provides a display device including any one of the touch panels 100 described above.
In this embodiment, the display device further includes a display panel (not shown) integrally provided with the touch panel 100; a display integrated circuit 7 is further disposed in the bending region 103, and the display integrated circuit 7 is located between the first touch integrated circuit 5 and the second touch integrated circuit 6; a plurality of pixel units (not shown) arranged in an array and a plurality of display signal lines 8 connected to the pixel units are disposed in the display area 101, and the display signal lines 8 extend through the lower frame area 102 along the longitudinal direction and are electrically connected to the display integrated circuits 7 in the bending area 103.
The touch panel and the display device have the advantages that the touch signal wire routing part is placed in the display area, the two sides of the upper part of the first signal wire junction area are respectively and electrically connected with the second ends of the touch signal wires with the same number as that of the plurality of longitudinal touch groups, and the two sides of the upper part of the second signal wire junction area are respectively and electrically connected with the second ends of the touch signal wires with the same number as that of the plurality of longitudinal touch groups, so that the width of the lower frame area can be reduced, the narrow frame design of the touch panel is realized, the yield of a large panel can be synchronously improved, the productivity is improved, the appearance, the productivity and the cost of a product are optimized, and the market competitiveness of a company product is improved.
Claims (10)
1. A touch panel is characterized by comprising a display area, a lower frame area and a bending area, wherein the display area, the lower frame area and the bending area are divided into a first wiring area and a second wiring area along a longitudinal central axis of the touch panel;
a plurality of touch sensing blocks and a plurality of touch signal lines which are arranged in an array manner are arranged in the display area, and the first end of each touch signal line is electrically connected with one touch sensing block; each row of the plurality of touch sensing blocks and the plurality of touch signal lines electrically connected with the touch sensing blocks form a longitudinal touch group;
a first signal wire junction area is arranged in the first wiring area, and a second signal wire junction area is arranged in the second wiring area; the upper part of the first signal line convergence area is positioned in the display area, the two sides of the upper part of the first signal line convergence area are respectively and electrically connected with the second ends of the touch signal lines with the same number as the plurality of longitudinal touch groups, and the lower part of the first signal line convergence area is positioned in the lower frame area; the upper part of the second signal line convergence area is positioned in the display area, the two sides of the upper part of the second signal line convergence area are respectively and electrically connected with the second ends of the touch signal lines with the same number as the plurality of longitudinal touch groups, and the lower part of the second signal line convergence area is positioned in the lower frame area;
and a first touch integrated circuit and a second touch integrated circuit are arranged in the bending area, the first touch integrated circuit is positioned in the first wiring area and is electrically connected with the first signal line junction area, and the second touch integrated circuit is positioned in the second wiring area and is electrically connected with the second signal line junction area.
2. The touch panel of claim 1, wherein the first signal line junction area includes a first sector-shaped connection portion and a first extension portion, the first sector-shaped connection portion has an inverted trapezoid shape, two ends of the first sector-shaped connection portion are electrically connected to the second ends of the same number of touch signal lines, respectively, and the first extension portion is connected to a middle portion of the first sector-shaped connection portion.
3. The touch panel of claim 1, wherein the second signal line junction area includes a second sector-shaped connection portion and a second extension portion, the second sector-shaped connection portion is in an inverted trapezoid shape, two ends of the second sector-shaped connection portion are electrically connected to second ends of an equal number of the touch signal lines, respectively, and the second extension portion is connected to a middle portion of the second sector-shaped connection portion.
4. The touch panel of claim 2, wherein the first fan-shaped connecting portion and the first extending portion are integrally disposed, and the first fan-shaped connecting portion and the first extending portion have a same longitudinal symmetry axis.
5. The touch panel of claim 3, wherein the second fan-shaped connecting portion and the second extending portion are integrally disposed, and the second fan-shaped connecting portion and the second extending portion have a same longitudinal symmetry axis.
6. The touch panel of claim 1, wherein the touch sensing block and the touch signal line are located on the same layer, or the touch signal line passes through a via hole to be electrically connected to the touch sensing block.
7. The touch panel of claim 1, wherein in the longitudinal direction, the width of the lower bezel area is H, the width of the upper portion of the first signal line junction area is W, and the width of the touch sensing block is a, which satisfies H-W < a.
8. The touch panel of claim 1, wherein the touch sensing blocks are even rows and the vertical touch groups are even groups.
9. A display device comprising the touch panel according to any one of claims 1 to 8.
10. The display device according to claim 9,
the display device also comprises a display panel which is integrated with the touch panel;
a display integrated circuit is further arranged in the bending area, and the display integrated circuit is positioned between the first touch integrated circuit and the second touch integrated circuit;
the display area is internally provided with a plurality of pixel units arranged in an array mode and a plurality of display signal wires connected with the pixel units, and the display signal wires longitudinally extend through the lower frame area and are electrically connected with the display integrated circuit in the bending area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969280.2A CN111930266B (en) | 2020-09-15 | 2020-09-15 | Touch panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969280.2A CN111930266B (en) | 2020-09-15 | 2020-09-15 | Touch panel and display device |
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| CN111930266A true CN111930266A (en) | 2020-11-13 |
| CN111930266B CN111930266B (en) | 2023-05-02 |
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| CN202010969280.2A Active CN111930266B (en) | 2020-09-15 | 2020-09-15 | Touch panel and display device |
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| CN112286397A (en) * | 2020-11-16 | 2021-01-29 | 武汉华星光电半导体显示技术有限公司 | Touch panel and display device |
| CN112909064A (en) * | 2021-02-04 | 2021-06-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113296632A (en) * | 2021-05-20 | 2021-08-24 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113325970A (en) * | 2021-06-07 | 2021-08-31 | 武汉华星光电半导体显示技术有限公司 | Touch control display panel |
| CN113539108A (en) * | 2021-07-26 | 2021-10-22 | 合肥维信诺科技有限公司 | Array substrate, display module and display device |
| US11861098B2 (en) | 2021-06-07 | 2024-01-02 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch display panel |
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| CN111930266B (en) | 2023-05-02 |
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