CN110109571A - A kind of embedded touch display structure - Google Patents
A kind of embedded touch display structure Download PDFInfo
- Publication number
- CN110109571A CN110109571A CN201910388385.6A CN201910388385A CN110109571A CN 110109571 A CN110109571 A CN 110109571A CN 201910388385 A CN201910388385 A CN 201910388385A CN 110109571 A CN110109571 A CN 110109571A
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- China
- Prior art keywords
- touch
- cabling
- control sensing
- panel
- sensing electrode
- Prior art date
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- Granted
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 26
- 230000006698 induction Effects 0.000 claims description 8
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004377 microelectronic Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004065 semiconductor 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
-
- 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
Landscapes
- 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)
- Electronic Switches (AREA)
Abstract
The present invention relates to microelectronics technologies, in particular to a kind of embedded touch shows structure, including the first cabling, more than two capacitors and more than two transistors, by setting transistor to realize switching function, control the compensation time to touch-control sensing electrode, by setting capacitor to the maintenance voltage during Display panel, to avoid having an impact the touch function of panel;The embedded touch of this programme design shows that structure can be effectively improved the band problem of panel, to enhance the display effect of panel.
Description
Technical field
The present invention relates to microelectronics technology, in particular to a kind of embedded touch shows structure.
Background technique
Small-medium size screen is generally divided into external hanging type (Out-cell) and two kinds of embedded (In-Cell).The face Out-Cell
Plate only supports display function, does not support touch function, and if desired touch function then needs to increase touch control film on panel;And In-
Cell panel not only supports display function, also can be realized touch function.So to realize display and touch function simultaneously,
In-Cell panel can be more frivolous than Out-Cell panel and possesses good transmitance.
A kind of method for realizing In-Cell is to divide COM electrode, then as the sensor of touch panel, COM electrode
After (being also copolar plate electrode) is divided, each piece of COM electrode drive is required to IC chip and independently drives, if COM is by larger coupling
When conjunction, uniform band will occur from opposite ends sub-portion to portion of terminal in panel, influence the display effect of panel.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of embedded touch display structure.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of embedded touch display structure, including panel body and IC chip, the IC chip are arranged in the panel
The side of ontology, the panel body include terminal area and opposite ends subregion, and the terminal area and opposite ends subregion are all provided with
There are two above touch-control sensing electrode, an induction cabling, Mei Gesuo have been correspondingly connected on each touch-control sensing electrode
It states touch-control sensing electrode and is connect by the corresponding one induction cabling with the IC chip, further include the first cabling, two
Above capacitor and more than two transistors;
Second cabling, each capacitor have been correspondingly connected on each touch-control sensing electrode of the opposite ends subregion
One end by corresponding second cabling respectively with a touch-control sensing electrode of corresponding opposite ends subregion and corresponding
The source electrode connection of one transistor, the other end ground connection of each capacitor, the drain electrode of each transistor with it is described
The connection of first cabling, the grid of more than two transistors are sequentially connected.
The beneficial effects of the present invention are:
By setting transistor to realize switching function, the compensation time to touch-control sensing electrode is controlled, passes through setting electricity
Hold to the maintenance voltage during Display panel, to avoid having an impact the touch function of panel, is walked by setting first
Line can additionally supplement charge to COM electrode during display, so as to improve because of band caused by undercharge;This programme is set
The embedded touch of meter shows that structure can be effectively improved the band problem of panel, to enhance the display effect of panel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of embedded touch according to the present invention shows structure;
Fig. 2 is the detailed construction schematic diagram for the opposite ends subregion that a kind of embedded touch according to the present invention shows structure;
Label declaration:
1, panel body;2, IC chip;3, touch-control sensing electrode;4, cabling is sensed;5, the first cabling.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: by being correspondingly connected on each touch-control sensing electrode by opposite ends subregion
One the second cabling, and the second cabling is connected respectively a capacitor and a transistor, realizes to touch-control sensing electrode
Compensation.
Referring to Fig.1 and 2, technical solution provided by the invention:
A kind of embedded touch display structure, including panel body and IC chip, the IC chip are arranged in the panel
The side of ontology, the panel body include terminal area and opposite ends subregion, and the terminal area and opposite ends subregion are all provided with
There are two above touch-control sensing electrode, an induction cabling, Mei Gesuo have been correspondingly connected on each touch-control sensing electrode
It states touch-control sensing electrode and is connect by the corresponding one induction cabling with the IC chip, which is characterized in that further include
One cabling, more than two capacitors and more than two transistors;
Second cabling, each capacitor have been correspondingly connected on each touch-control sensing electrode of the opposite ends subregion
One end by corresponding second cabling respectively with a touch-control sensing electrode of corresponding opposite ends subregion and corresponding
The source electrode connection of one transistor, the other end ground connection of each capacitor, the drain electrode of each transistor with it is described
The connection of first cabling, the grid of more than two transistors are sequentially connected.
As can be seen from the above description, the beneficial effects of the present invention are:
By setting transistor to realize switching function, the compensation time to touch-control sensing electrode is controlled, passes through setting electricity
Hold to the maintenance voltage during Display panel, to avoid having an impact the touch function of panel, is walked by setting first
Line can additionally supplement charge to COM electrode during display, so as to improve because of band caused by undercharge;This programme is set
The embedded touch of meter shows that structure can be effectively improved the band problem of panel, to enhance the display effect of panel.
Further, first cabling is laid in the outside of the panel body and surrounds the panel body.
Further, the capacitor and transistor are arranged in the outside of the panel body and are located at the longitudinal axis of panel body
The opposite sides in direction.
Seen from the above description, by the outside of capacitor and transistor setting panel body, it can be avoided influence panel body
Display function, if being arranged capacitor and transistor in panel body, panel body cannot normally be shown.
Further, the capacitor and transistor are between the panel body and the first cabling.
Further, more than two touch-control sensing electrodes of the terminal area and opposite ends subregion are in array row
Cloth.
Seen from the above description, touch-control sensing electrode is arranged in array, can be rationally empty using the limited display of panel
Between, and the effect of compensation can be made more preferable, to obtain better display effect.
Further, first cabling and the second cabling are reference voltage cabling.
Seen from the above description, the first cabling and the second cabling are reference voltage cabling, enable to capacitor and crystal
Pipe connects reference voltage signal, plays the effect for improving band.
Further, the touch-control sensing electrode is transparent common electrode.
Seen from the above description, touch-control sensing electrode is transparent common electrode, can be improved the display effect of panel.
Further, the material of the touch-control sensing electrode is tin indium oxide.
Seen from the above description, tin indium oxide is a kind of transparent conductive semiconductor film, has good electric conductivity and transparent
Property, due to the high transparency of tin indium oxide, the display of panel can be relatively beneficial to.
Referring to Fig.1 and 2, the embodiment of the present invention one are as follows:
A kind of embedded touch display structure, including panel body 1 and IC chip 2, the IC chip 2 are arranged in the face
The side of plate ontology 1, the panel body 1 include terminal area and opposite ends subregion, the terminal area and opposite ends subregion
More than two touch-control sensing electrodes 3 are equipped with, an induction cabling 4 has been correspondingly connected on each touch-control sensing electrode 3,
Each touch-control sensing electrode 3 is connect by the corresponding one induction cabling 4 with the IC chip 2, further includes first
Cabling 5, more than two capacitors and more than two transistors;
Second cabling, each electricity have been correspondingly connected on each touch-control sensing electrode 3 of the opposite ends subregion
One end of appearance by corresponding second cabling respectively with a touch-control sensing electrode 3 of corresponding opposite ends subregion and corresponding
A transistor source electrode connection, the other end ground connection of each capacitor, the drain electrode of each transistor and institute
The connection of the first cabling 5 is stated, the grid of more than two transistors is sequentially connected.
First cabling 5 is laid in the outside of the panel body 1 and surrounds the panel body 1.
The capacitor and transistor are arranged in the outside of the panel body 1 and are located at the y direction of panel body 1
Opposite sides.
The capacitor and transistor are between the panel body 1 and the first cabling 5.
More than two touch-control sensing electrodes 3 of the terminal area and opposite ends subregion are arranged in array.
First cabling 5 and the second cabling are reference voltage cabling.
The touch-control sensing electrode 3 is transparent common electrode.
The material of the touch-control sensing electrode 3 is tin indium oxide.
In traditional design, sensing cabling is gradually increased from terminal area to opposite ends sub-district length of field, and as sensing is walked
Line increases, and resistance capacitance load also will increase, and RC delays are more serious.In the identical time, when COM electrode is by data
When line and polar curve of walking haltingly couple, closer to opposite ends subregion, the charge of COM electrode supplement is fewer, to be easy to appear touch panel
Band phenomenon.
Assuming that the quantity of transistor is a (i.e. T1~Ta), then the quantity of capacitor is a (i.e. C1~Ca);
A (0≤a≤M*N) a touch-control sensing electrode 3 can be connected, M*N indicates for COM electrode to be divided into M*N block that (M is row, N
For column), it can thus possess M*N block touch-control sensing electrode 3, touch-control sensing electrode 3 has M-1 row band and (also cries gap, be
When undercharge, band seen by person, English is expressed as gap), such as when M=30, N=10, panel body will possess
300 pieces of 3,29 row gap of touch-control sensing electrode.
Charge supplement is carried out to a touch-control sensing electrode 3 since opposite ends subregion, is used for by a capacitor in panel
Maintenance voltage during display;During Display panel, transistor is closed, to avoid touch function is influenced.When COM electrode is by data
When line and polar curve of walking haltingly couple, touch panel band can thus be compensated, to obtain better display effect.
In conclusion a kind of embedded touch provided by the invention shows structure, by setting transistor to realize switch
Function controls the compensation time to touch-control sensing electrode, by setting capacitor to the maintenance voltage during Display panel, thus
It avoids having an impact the touch function of panel, by the way that the first cabling is arranged, can additionally be supplemented during display to COM electrode
Charge, so as to improve because of band caused by undercharge;The embedded touch of this programme design shows that structure can be effectively improved
The band problem of panel, to enhance the display effect of panel.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (8)
1. a kind of embedded touch shows that structure, including panel body and IC chip, the IC chip are arranged in the panel sheet
The side of body, the panel body include terminal area and opposite ends subregion, and the terminal area and opposite ends subregion are equipped with
More than two touch-control sensing electrodes have been correspondingly connected with an induction cabling on each touch-control sensing electrode, each described
Touch-control sensing electrode is connect by the corresponding one induction cabling with the IC chip, which is characterized in that further includes first
Cabling, more than two capacitors and more than two transistors;
It has been correspondingly connected with second cabling on each touch-control sensing electrode of the opposite ends subregion, the one of each capacitor
End by corresponding second cabling respectively with a touch-control sensing electrode of corresponding opposite ends subregion and one corresponding
The source electrode of the transistor connects, the other end ground connection of each capacitor, the drain electrode of each transistor and described first
Cabling connection, the grid of more than two transistors are sequentially connected.
2. embedded touch according to claim 1 shows structure, which is characterized in that first cabling is laid in described
The outside of panel body and surround the panel body.
3. embedded touch according to claim 2 shows structure, which is characterized in that the capacitor and transistor setting exist
The opposite sides of the outside of the panel body and the y direction positioned at panel body.
4. embedded touch according to claim 3 shows structure, which is characterized in that the capacitor and transistor are located at institute
It states between panel body and the first cabling.
5. embedded touch according to claim 1 shows structure, which is characterized in that the terminal area and opposite ends sub-district
More than two touch-control sensing electrodes in domain are in array arrangement.
6. embedded touch according to claim 1 shows structure, which is characterized in that first cabling and the second cabling
It is reference voltage cabling.
7. embedded touch according to claim 1 shows structure, which is characterized in that the touch-control sensing electrode is transparent
Public electrode.
8. embedded touch according to claim 7 shows structure, which is characterized in that the material of the touch-control sensing electrode
For tin indium oxide.
Priority Applications (1)
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CN201910388385.6A CN110109571B (en) | 2019-04-29 | 2019-04-29 | Embedded touch display structure |
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CN201910388385.6A CN110109571B (en) | 2019-04-29 | 2019-04-29 | Embedded touch display structure |
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CN110109571A true CN110109571A (en) | 2019-08-09 |
CN110109571B CN110109571B (en) | 2024-02-23 |
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Cited By (1)
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---|---|---|---|---|
CN110570826A (en) * | 2019-08-29 | 2019-12-13 | 福建华佳彩有限公司 | display panel driving method |
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CN109634466A (en) * | 2019-01-30 | 2019-04-16 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED touch-control display panel and its time-sharing multiplex driving method |
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CN103019492A (en) * | 2012-12-21 | 2013-04-03 | 北京京东方光电科技有限公司 | Embedded capacitive touch control display panel, display equipment, control device and control method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110109571B (en) | 2024-02-23 |
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