CN109614010B - Touch screen and electronic equipment - Google Patents
Touch screen and electronic equipment Download PDFInfo
- Publication number
- CN109614010B CN109614010B CN201910018348.6A CN201910018348A CN109614010B CN 109614010 B CN109614010 B CN 109614010B CN 201910018348 A CN201910018348 A CN 201910018348A CN 109614010 B CN109614010 B CN 109614010B
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- Prior art keywords
- touch
- area
- touch screen
- touch electrodes
- electrodes
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- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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
- G06F3/0412—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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a touch screen and electronic equipment, wherein the touch screen comprises a display area and a non-display area, and a touch IC is arranged in the non-display area; the display area comprises a first area and a second area, a plurality of first touch electrodes and a plurality of second touch electrodes are arranged in the first area and the second area, and the first touch electrodes and the second touch electrodes are arranged on the same layer; in the first area, the plurality of first touch electrodes are arranged in a first matrix, the plurality of second touch electrodes are arranged in a second matrix, and the first matrix and the second matrix are staggered; the second area is bilaterally symmetrical to the first area; the first touch electrodes of each row are sequentially connected through the first signal lines, the second touch electrodes of each column are sequentially connected through the second signal lines, the two ends of each touch electrode are connected with the touch IC, the number of pins is effectively reduced through ingenious pattern design, the product yield is improved, and the production cost is reduced.
Description
Technical Field
The present disclosure relates to touch technology, and particularly to a touch screen and an electronic device.
Background
The touch electrode layer of the touch screen comprises a plurality of driving electrodes and a plurality of sensing electrodes, the biggest problem encountered in the current single-layer multipoint capacitive screen design is that the number of pins and the number of signal wires are too large, because each driving electrode or sensing electrode needs a single signal wire to be connected with a pin of the touch IC, if M driving electrodes and N sensing electrodes exist, M x N signal wires are needed to be respectively connected to M x N pins of the touch IC, the number of pins is too large, the binding yield is reduced, and meanwhile, the production cost is high due to the fact that the number of the signal wires is too large.
Disclosure of Invention
The invention aims to solve the problems of low yield and high cost caused by excessive signal wires and pins of a touch screen in the prior art, and provides the touch screen and the electronic equipment, which can effectively improve the yield and reduce the production cost.
The touch screen comprises a display area and a non-display area, wherein a touch IC is arranged in the non-display area;
the display area comprises a first area and a second area, a plurality of first touch electrodes and a plurality of second touch electrodes are arranged in the first area and the second area, and the first touch electrodes and the second touch electrodes are arranged on the same layer;
in the first area, the plurality of first touch electrodes are arranged in a first matrix, the plurality of second touch electrodes are arranged in a second matrix, and the first matrix and the second matrix are staggered;
the second area is bilaterally symmetrical to the first area;
the first touch electrodes of each row are sequentially connected through a first signal wire, and the first signal wire is led out from one side and then connected with the touch IC;
the second touch electrodes of each column are sequentially connected through the second signal lines, and the two ends of the second touch electrodes are connected with the touch ICs.
Further, the first touch electrode is an induction electrode, and the second touch electrode is a driving electrode.
Further, a first wiring area is formed between the first area and the second area, and the first signal wire is led out through the first wiring area.
Further, the second signal line runs through an area between the first touch electrode and the second touch electrode.
Further, a second wiring area is arranged in the non-display area;
the second signal line is led out through the second wiring area.
Further, a virtual channel line is further arranged between the first touch electrode and the second signal line, and the virtual channel line is grounded after being led out from the first wiring area.
Further, the width of the first signal line and/or the second signal line is 60 μm, and the pitch of the adjacent second signal lines and the pitch between the adjacent first signal lines are 20 μm.
Further, the shapes of the first touch electrode and the second touch electrode are diamond shapes.
An electronic device comprises the touch screen.
The touch screen and the electronic equipment provided by the invention at least comprise the following beneficial effects:
(1) The first touch electrode and the second touch electrode are arranged on the same layer, so that the number of pins is effectively reduced through ingenious pattern design, the product yield is improved, and the production cost is reduced;
(2) The whole touch area is bilaterally symmetrical, so that the impedance can be effectively reduced;
(3) The second touch electrode adopts double-end outgoing lines, so that impedance can be effectively reduced;
(4) The arrangement of the virtual channel line can effectively reduce interference.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of a touch screen provided by the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of a touch screen according to the present invention
Fig. 3 is a schematic diagram of a trace of a first touch electrode in a touch screen according to the present invention.
Fig. 4 is a schematic diagram of a trace of a second touch electrode in the touch screen according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more specific, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1-2, the present embodiment provides a touch screen, which includes a display area a and a non-display area B, wherein a touch IC100 is disposed in the non-display area B;
the display area A comprises a first area 101 and a second area 102, a plurality of first touch electrodes 103 and a plurality of second touch electrodes 104 are arranged in the first area 101 and the second area 102, and the plurality of first touch electrodes 103 and the plurality of second touch electrodes 104 are arranged on the same layer;
in the first area 101, a plurality of first touch electrodes 103 are arranged in a first matrix, a plurality of second touch electrodes 104 are arranged in a second matrix, and the first matrix and the second matrix are staggered;
the second region 102 is bilaterally symmetrical to the first region 101;
the first touch electrodes 103 of each row are sequentially connected through first signal lines 105, and the first signal lines 105 are led out from one side and then connected with the touch IC100;
the second touch electrodes 104 of each column are sequentially connected through the second signal lines 106, and the two ends of the second touch electrodes are connected with the touch IC100.
As a preferred embodiment, the first touch electrode 103 is a sensing electrode, and the second touch electrode 104 is a driving electrode.
Further, a first wiring region 107 is formed between the first region 101 and the second region 102, and the first signal line 105 is routed through the first wiring region 107.
As a preferred embodiment, referring to fig. 3, the first touch electrodes 103 are diamond-shaped, and in each row, each first touch electrode 103 is sequentially connected through the first signal lines 105, and then is led out from the first routing area 107 to be connected to the pins of the touch IC100, so that the number of the first signal lines 105 led out from the first area 101 is the same as the number of the rows of the first touch electrodes 103 in the first area 101. Similarly, the number of the first signal lines 105 led out from the second area 102 is the same as the number of rows of the first touch electrodes 103 in the second area 102.
The first area 101 and the second area 102 are bilaterally symmetrical, so that the impedance of the touch screen can be effectively reduced.
Further, referring to fig. 4, the second touch electrode 104 and the first touch electrode 103 are diamond-shaped with the same shape, and the second touch electrode 104 of each column and the second signal line 106 are sequentially connected to each second touch electrode 104.
Further, the non-display area B is provided with a second routing area 108, i.e. two sides of the first area and the second area.
The second signal line 106 is sequentially connected to the second touch electrode 104, and then is led out from the head end to the tail end, passes through the second routing area 108 and is connected to the touch IC100.
The second touch electrode adopts a double-end wire outlet mode, so that impedance can be effectively reduced.
Further, a virtual channel line 109 is further disposed between the first touch electrode 103 and the second signal line 106, and the virtual channel line 109 is grounded after being led out through the first routing area.
The arrangement of the virtual channel line (Dummy line) can improve the capacitance matching effect between the wirings, improve the stability of touch sensing quantity and reduce interference.
As a preferred embodiment, the width of the first signal line 105 and/or the second signal line 106 is 60 μm, the pitch of the adjacent second signal lines 106 and the pitch between the adjacent first signal lines 105 is 20 μm, i.e., pitch is 80 μm, to reduce interference.
Assuming that the touch screen includes 10 touch electrodes of TX18 x RX, 180 pins are required according to the existing method, and only 26 pins are required according to the scheme provided by the embodiment, so that the number of pins is greatly reduced.
The touch screen provided by the embodiment at least comprises the following beneficial effects:
(1) The first touch electrode and the second touch electrode are arranged on the same layer, so that the number of pins is effectively reduced through ingenious pattern design, the product yield is improved, and the production cost is reduced;
(2) The whole touch area is bilaterally symmetrical, so that the impedance can be effectively reduced;
(3) The second touch electrode adopts double-end outgoing lines, so that impedance can be effectively reduced;
(4) The arrangement of the virtual channel line can effectively reduce interference.
Example two
The embodiment provides an electronic device including the touch screen as described in the first embodiment.
The electronic device provided in this embodiment may be: any product or component with display function such as a mobile phone, a tablet computer, a display, a notebook computer and the like.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (9)
1. The touch screen is characterized by comprising a display area and a non-display area, wherein a touch IC is arranged in the non-display area;
the display area comprises a first area and a second area, a plurality of first touch electrodes and a plurality of second touch electrodes are arranged in the first area and the second area, and the first touch electrodes and the second touch electrodes are arranged on the same layer;
in the first area, the plurality of first touch electrodes are arranged in a first matrix, the plurality of second touch electrodes are arranged in a second matrix, and the first matrix and the second matrix are staggered;
the second area is bilaterally symmetrical to the first area;
the first touch electrodes of each row are sequentially connected through a first signal wire, and the first signal wire is led out from one side and then connected with the touch IC;
the second touch electrodes of each row are sequentially connected through second signal wires, and the two-end wires are connected with the touch ICs, wherein the two-end wires refer to the fact that the second signal wires are led out from the head end and the tail end, and the second signal wires are formed on the same side and connected with the touch ICs.
2. The touch screen of claim 1, wherein the first touch electrode is an inductive electrode and the second touch electrode is a drive electrode.
3. The touch screen of claim 1, wherein a first routing area is formed between the first area and the second area, and the first signal line is routed out through the first routing area.
4. The touch screen of claim 1, wherein the second signal line runs through an area between the first touch electrode and the second touch electrode.
5. The touch screen of claim 4, wherein a second routing area is disposed in the non-display area;
the second signal line is led out through the second wiring area.
6. The touch screen of claim 3, wherein a virtual channel line is further disposed between the first touch electrode and the second signal line, and the virtual channel line is grounded after being led out through the first routing area.
7. The touch screen according to claim 5, wherein the width of the first signal line and/or the second signal line is 60 μm, and the pitch of the adjacent second signal lines and the pitch between the adjacent first signal lines are 20 μm.
8. The touch screen of claim 1, wherein the first and second touch electrodes are diamond-shaped in shape.
9. An electronic device comprising a touch screen according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018348.6A CN109614010B (en) | 2019-01-09 | 2019-01-09 | Touch screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018348.6A CN109614010B (en) | 2019-01-09 | 2019-01-09 | Touch screen and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109614010A CN109614010A (en) | 2019-04-12 |
| CN109614010B true CN109614010B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910018348.6A Active CN109614010B (en) | 2019-01-09 | 2019-01-09 | Touch screen and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109614010B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005070821A (en) * | 2003-08-21 | 2005-03-17 | Digital Electronics Corp | Position detection panel and inspection method therefor |
| CN206209682U (en) * | 2016-10-19 | 2017-05-31 | 苏州维业达触控科技有限公司 | A kind of conductive layer of large scale capacitance plate, large scale capacitance plate and display device |
| CN209514577U (en) * | 2019-01-09 | 2019-10-18 | 深圳市德名利电子有限公司 | A kind of touch screen and electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI489336B (en) * | 2012-11-22 | 2015-06-21 | Wintek Corp | Touch panel and touch display module thereof |
| CN105373259B (en) * | 2015-12-11 | 2018-11-27 | 上海中航光电子有限公司 | A kind of array substrate, display panel and display device |
| CN106293206B (en) * | 2016-07-29 | 2019-04-30 | 厦门天马微电子有限公司 | An integrated touch display panel and its touch display device |
-
2019
- 2019-01-09 CN CN201910018348.6A patent/CN109614010B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005070821A (en) * | 2003-08-21 | 2005-03-17 | Digital Electronics Corp | Position detection panel and inspection method therefor |
| CN206209682U (en) * | 2016-10-19 | 2017-05-31 | 苏州维业达触控科技有限公司 | A kind of conductive layer of large scale capacitance plate, large scale capacitance plate and display device |
| CN209514577U (en) * | 2019-01-09 | 2019-10-18 | 深圳市德名利电子有限公司 | A kind of touch screen and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109614010A (en) | 2019-04-12 |
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| CB02 | Change of applicant information | ||
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Address after: Room 701, 7th floor, Smart Valley Innovation Park, 1010 Bulong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen deminli Technology Co.,Ltd. Address before: 518000, 701, building 7, wisdom Valley Innovation Park, people's street, Longhua District, Shenzhen, Guangdong Applicant before: SHENZHEN DEMINGLI ELECTRONICS Co.,Ltd. |
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Address after: 2501, 2401, block a, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen, Guangdong 518000 Applicant after: Shenzhen deminli Technology Co.,Ltd. Address before: 518000 room 701, 7 / F, wisdom Valley Innovation Park, 1010 Bulong Road, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Applicant before: Shenzhen deminli Technology Co.,Ltd. |
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Effective date of registration: 20240126 Address after: Room 409, 4th Floor, Building 1, No. 199 Weikang Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 Patentee after: Zhuhai Hongpeihan Electronic Technology Co.,Ltd. Country or region after: China Address before: 2501, 2401, block a, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen deminli Technology Co.,Ltd. Country or region before: China |