CN108111648B - Narrow-frame touch screen connection scheme and mobile phone - Google Patents
Narrow-frame touch screen connection scheme and mobile phone Download PDFInfo
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- CN108111648B CN108111648B CN201711397487.1A CN201711397487A CN108111648B CN 108111648 B CN108111648 B CN 108111648B CN 201711397487 A CN201711397487 A CN 201711397487A CN 108111648 B CN108111648 B CN 108111648B
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- touch screen
- capacitive touch
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- lower half
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
Abstract
The invention provides a narrow-frame touch screen connection scheme and a mobile phone, and relates to the field of external capacitive touch screens. The narrow-frame touch screen connection scheme comprises a capacitive touch screen; the back transverse electrode of the upper half screen of the capacitive touch screen is connected with the outside through the upper end of the capacitive touch screen by a connecting wire; and the back transverse electrode of the lower half screen of the capacitive touch screen is connected with the outside through the lower end of the capacitive touch screen by a connecting wire. The mobile phone comprises the capacitive touch screen and an IC, wherein the FPC is electrically connected with the IC in a COB mode. The invention solves the problem of how to realize the narrow border as much as possible while meeting the touch performance of the product.
Description
Technical Field
The invention relates to the technical field of external capacitive touch screens, in particular to a narrow-frame touch screen connection scheme and a mobile phone.
Background
With the continuous maturity of touch screen technology and the continuous improvement of the look pursuit of users to product ID, people have increasingly narrow requirements on product frames. However, for the external capacitive touch screen, metal wires on the left side and the right side of the screen body are more and visible, and narrow frame design desired by consumers cannot be realized. How to reduce the number of wires on two sides of the screen body and meet the requirement of the touch performance of the product becomes a difficult problem of realizing the narrow frame of the existing externally-hung touch screen.
Based on the technical problem, the invention provides a narrow-frame touch screen connection scheme and a mobile phone to solve the technical problem.
Disclosure of Invention
The invention aims to provide a narrow-frame touch screen connection scheme, which aims to solve the problem of how to realize the narrow frame as much as possible while meeting the touch performance of a product.
The present invention also aims to provide a mobile phone, which is used for solving the technical problems.
Based on the first object, the invention provides a narrow-frame touch screen connection scheme, which comprises a capacitive touch screen;
the back transverse electrode of the upper half screen of the capacitive touch screen is connected with the outside through the upper end of the capacitive touch screen by a connecting wire;
and the back transverse electrode of the lower half screen of the capacitive touch screen is connected with the outside through the lower end of the capacitive touch screen by a connecting wire.
Optionally, the back transverse electrode of the upper half screen of the capacitive touch screen is connected with the outside through a metal wire.
The metal wire has good electrical connection performance, is not easy to break, has long service life and can be processed to be thinner.
Optionally, the back transverse electrode of the lower half screen of the capacitive touch screen is connected with the outside through a metal wire.
The electric connectivity of the metal wire is utilized, so that the metal wire is not easy to break, has long service life, can be processed to be thin and is suitable for narrow frames.
Optionally, the connecting line of the back transverse electrode of the upper half screen of the capacitive touch screen is in binding and overlapping with the FPC flexible board.
The upper half part is connected with an FPC (flexible printed circuit) flexible board and then connected with an IC (chip) and matched with the lower half part, and finally, the content required to be displayed is displayed.
Optionally, the connecting line of the back transverse electrode of the lower half screen of the capacitive touch screen is in binding and overlapping with the FPC flexible board.
The lower half part is connected with the FPC soft board and then connected with the IC, and is matched with the upper half part to finally display the content to be displayed.
Optionally, the FPC flexible Board is introduced into the IC by a COB method (integrated onto a main Board of a terminal such as a mobile phone/tablet, i.e., abbreviation of a Chip On Board).
Optionally, the connecting lines of the back transverse electrode of the upper half screen of the capacitive touch screen are all arranged along the edge of the capacitive touch screen in an extending manner.
The metal connecting lines of the transverse electrodes of the upper half part extend along the wiring of the edge of the upper half part of the capacitive touch screen, and then reach the upper end of the capacitive touch screen to be in lap joint with the FPC soft board, so that the occupied space is small, and only a narrower frame is needed.
Optionally, the connecting lines of the back transverse electrode of the lower half screen of the capacitive touch screen are all arranged along the edge of the capacitive touch screen in an extending manner.
Similarly, the metal connecting wires of the transverse electrodes of the lower half portion extend along the wiring of the edge of the lower half portion of the capacitive touch screen, and then reach the upper end of the capacitive touch screen to be in lap joint with the FPC soft board, so that the occupied space is small, and only a narrower frame is needed.
Based on the second object, the invention provides a mobile phone, which includes the capacitive touch screen and an IC, wherein the FPC flexible printed circuit is electrically connected to the IC in a COB manner.
Optionally, the touch screen further comprises a housing, the IC and the FPC flexible printed circuit are both wrapped in the housing, and the capacitive touch screen is embedded in the housing.
Compared with the common design scheme, the narrow-frame touch screen wiring scheme provided by the invention has the advantages that the electrodes in the transverse direction are respectively led out from the two ends of the upper half screen and the lower half screen through the metal wires, the effective binding and lapping of the screen body metal wires and the FPC flexible printed circuit board wires are realized at the two ends of the touch screen, and finally, the ICs are respectively led in through a COB mode.
According to the narrow-frame touch screen connection scheme provided by the invention, the electrodes in the transverse direction of the screen body are respectively and equally led out at the two ends of the upper half screen and the lower half screen through the metal wires, so that the number of the metal wires at the two sides of the screen body is reduced, and the expected narrow-frame effect is achieved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a prior art layout view of a capacitive touch screen;
fig. 2 is a schematic diagram of a narrow-bezel touch screen connection scheme according to an embodiment of the present invention.
Icon: 1-a lateral electrode; 2-connecting wires; 3, binding and lapping areas of the screen body and the FPC soft board; a 4-COF mode IC region; 5-COB mode BTB connector 5.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
First embodiment of narrow-bezel touch screen connection scheme
As shown in fig. 2, in the present embodiment, a narrow-bezel touch screen connection scheme is provided, where the narrow-bezel touch screen connection scheme includes a capacitive touch screen;
the back transverse electrode 1 of the upper half screen of the capacitive touch screen is connected with the outside through the upper end of the capacitive touch screen by a connecting wire 2;
and the back transverse electrode 1 of the lower half screen of the capacitive touch screen is connected with the outside through the lower end of the capacitive touch screen by a connecting wire 2.
Compared with the common design scheme, the narrow-frame touch screen wiring scheme provided by the invention is not limited to GF, GFF, G1F1, GF2 and the like, and compared with the common design scheme, the design scheme has the advantages that transversely-oriented electrodes are respectively led out at the two ends of the upper half screen and the lower half screen through metal wires, the effective binding and lapping of the screen body metal wires and FPC (flexible printed circuit) flexible board wires are realized at the two ends of the touch screen, and finally, ICs (integrated circuits) are respectively led in a COB (chip on board) mode.
According to the narrow-frame touch screen connection scheme provided by the invention, the electrodes in the transverse direction of the screen body are respectively and equally led out at the two ends of the upper half screen and the lower half screen through the metal wires, so that the number of the metal wires at the two sides of the screen body is reduced, and the expected narrow-frame effect is achieved.
In an alternative of this embodiment, the back lateral electrode 1 of the upper half screen of the capacitive touch screen is connected to the outside through a metal wire.
The metal wire has good electrical connection performance, is not easy to break, has long service life and can be processed to be thinner.
Similarly, the back transverse electrode 1 of the lower half screen of the capacitive touch screen is connected with the outside through a metal wire.
The electric connectivity of the metal wire is utilized, so that the metal wire is not easy to break, has long service life, can be processed to be thin and is suitable for narrow frames.
In an alternative of this embodiment, as shown in fig. 2, the connecting lines 2 of the back lateral electrodes 1 of the upper half screen of the capacitive touch screen are bonded and lapped with the FPC flexible board.
The upper half part is connected with the FPC soft board and then connected with the IC, and is matched with the lower half part to finally display the content to be displayed.
Furthermore, a connecting line 2 of a back transverse electrode 1 of the lower half screen of the capacitive touch screen is in binding and lapping joint with the FPC soft board.
The lower half part is connected with the FPC soft board and then connected with the IC, and is matched with the upper half part to finally display the content to be displayed. Different from the existing scheme, the bonding area 3 between the screen body and the FPC soft board can be generated.
Furthermore, the FPC flexible board is introduced into the IC in a COB mode.
As shown in fig. 1, the FPC flexible Board is different from the conventional scheme in that there is no COF mode IC area 4 (chinese generic name of COF: IC (Chip) is fixed On a flexible wiring Board, i.e., short for Chip On FPC), but IC is connected by COB mode BTB (chinese generic name of BTB: Board-to-Board, i.e., Board to Board short) connector 5.
COFs differ from COBs in where ICs are integrated, COFs are integrated on FPCs, and COBs are integrated on the board of cell phone/flat panel light terminals. In the embodiment of the invention, as the wires are required to be led out at two ends of the mobile phone, all the wires can only be led into the IC after being gathered on the board of the terminal.
In an alternative of this embodiment, as shown in fig. 2, the connection lines 2 of the back lateral electrodes 1 of the upper half screen of the capacitive touch screen are all arranged along the edge of the capacitive touch screen.
The metal connecting wires 2 of the transverse electrodes 1 on the upper half portion extend along the wiring of the edge of the upper half portion of the capacitive touch screen, and then reach the upper end of the capacitive touch screen to be in lap joint with the FPC soft board, so that the occupied space is small, and only a narrower frame is needed.
In an alternative of this embodiment, as shown in fig. 2, the connection lines 2 of the back lateral electrodes 1 of the lower half of the capacitive touch screen are all arranged along the edge of the capacitive touch screen.
Similarly, the metal connecting wires 2 of the transverse electrodes 1 on the lower half portion extend along the wiring of the edge of the lower half portion of the capacitive touch screen, and then reach the upper end of the capacitive touch screen to be in lap joint with the FPC soft board, so that the occupied space is small, and only a narrower frame is needed.
Mobile phone embodiment
As shown in fig. 2, this embodiment provides a mobile phone, which includes the capacitive touch screen as described above, and further includes an IC (, the FPC flexible printed circuit is electrically connected to the IC by COB.
The IC receives and transmits signals to the capacitive touch screen, and finally the content required to be displayed is displayed according to the feedback of the touch screen.
In the optional scheme of this embodiment, still include the shell, IC with the FPC soft board all wraps up in the shell, capacitive touch screen inlays to be adorned on the shell.
Aiming at the newly designed narrow-frame touch screen wiring scheme, the shell is designed with a narrower frame, so that the expectation of modern consumers on the narrow frame is met.
Finally, it should be noted that: it will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A narrow-frame touch screen connection scheme is characterized by comprising a capacitive touch screen;
the back transverse electrode of the upper half screen of the capacitive touch screen is connected with the outside through the upper end of the capacitive touch screen by a connecting wire;
the back transverse electrode of the lower half screen of the capacitive touch screen is connected with the outside through the lower end of the capacitive touch screen by a connecting wire;
the upper half screen electrode and the lower half screen electrode are respectively and equally led out at two ends of the corresponding upper half screen and the lower half screen through metal wires;
the connecting line of the back transverse electrode of the upper half screen of the capacitive touch screen is in binding lap joint with the FPC soft board;
connecting lines of the back transverse electrodes of the upper half screen of the capacitive touch screen extend along the edge of the capacitive touch screen;
the connecting line of the back transverse electrode of the lower half screen of the capacitive touch screen is in binding lap joint with the FPC soft board;
and connecting lines of the back transverse electrodes of the lower half screen of the capacitive touch screen extend along the edge of the capacitive touch screen.
2. The narrow-bezel touch screen wiring scheme of claim 1, wherein a back lateral electrode of an upper half of the capacitive touch screen is connected to an outside through a metal wire.
3. The narrow-bezel touch screen wiring scheme of claim 1, wherein a back lateral electrode of a lower half of the capacitive touch screen is connected to an outside through a metal wire.
4. The narrow bezel touch screen wiring scheme of claim 1, wherein the FPC flex is COB Integrated Circuit (IC) incorporated.
5. The narrow-bezel touch screen wiring scheme of claim 1, wherein the connecting lines of the back lateral electrodes of the upper half of the capacitive touch screen are all arranged along the edge of the capacitive touch screen in an extending manner.
6. The narrow-bezel touch screen wiring scheme of claim 1, wherein the connecting lines of the back lateral electrodes of the lower half of the capacitive touch screen are all arranged along the edge of the capacitive touch screen in an extending manner.
7. A mobile phone, comprising the capacitive touch screen of claim 4, and further comprising an IC, wherein the FPC is electrically connected to the IC by COB.
8. The mobile phone of claim 7, further comprising a housing, wherein the IC and the FPC flexible board are both wrapped in the housing, and the capacitive touch screen is embedded in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397487.1A CN108111648B (en) | 2017-12-21 | 2017-12-21 | Narrow-frame touch screen connection scheme and mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397487.1A CN108111648B (en) | 2017-12-21 | 2017-12-21 | Narrow-frame touch screen connection scheme and mobile phone |
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| CN108111648A CN108111648A (en) | 2018-06-01 |
| CN108111648B true CN108111648B (en) | 2020-11-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109639853B (en) * | 2018-11-14 | 2020-05-12 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| CN109375827B (en) * | 2018-12-14 | 2021-08-24 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and touch display device |
| CN114327144A (en) * | 2021-12-30 | 2022-04-12 | 广州国显科技有限公司 | Touch control assembly, touch control display panel and preparation method |
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| CN105511681A (en) * | 2015-12-31 | 2016-04-20 | 东莞市平波电子有限公司 | GG monolayer multipoint borderless touch screen and preparation process thereof |
| CN205247362U (en) * | 2015-11-30 | 2016-05-18 | 深圳市骏达光电股份有限公司 | Narrow frame capacitive touch panel |
| CN106095190A (en) * | 2016-06-29 | 2016-11-09 | 南京中电熊猫液晶显示科技有限公司 | In cell touch-control display panel and display packing thereof and manufacture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6606345B2 (en) * | 2014-05-16 | 2019-11-13 | 株式会社ジャパンディスプレイ | Display device with touch detection function and electronic device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205247362U (en) * | 2015-11-30 | 2016-05-18 | 深圳市骏达光电股份有限公司 | Narrow frame capacitive touch panel |
| CN105511681A (en) * | 2015-12-31 | 2016-04-20 | 东莞市平波电子有限公司 | GG monolayer multipoint borderless touch screen and preparation process thereof |
| CN106095190A (en) * | 2016-06-29 | 2016-11-09 | 南京中电熊猫液晶显示科技有限公司 | In cell touch-control display panel and display packing thereof and manufacture method |
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