CN206479966U - A kind of touch-control display panel and display device - Google Patents
A kind of touch-control display panel and display device Download PDFInfo
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- CN206479966U CN206479966U CN201720189301.2U CN201720189301U CN206479966U CN 206479966 U CN206479966 U CN 206479966U CN 201720189301 U CN201720189301 U CN 201720189301U CN 206479966 U CN206479966 U CN 206479966U
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Abstract
The utility model discloses a kind of touch-control display panel and display device, including：Opposite substrate, array base palte, and the liquid crystal layer between opposite substrate and array base palte；Opposite substrate has black matrix towards liquid crystal is laminated；Array base palte includes underlay substrate, the touch control electrode that multiple same layers on underlay substrate are set, and with the one-to-one touch-control lead of each touch control electrode；Array base palte also includes the bridge for being used to touch control electrode and touch-control lead being electrically connected with；Orthographic projection of the bridge on underlay substrate is located at black matrix in the orthographic projection region on underlay substrate；Each touch control electrode is connected by corresponding touch-control lead with touch detection chip；Touch detection chip is used to by detecting the capacitance variation of each touch control electrode judge position of touch.Orthographic projection of the utility model due to bridge on underlay substrate is located at black matrix in the orthographic projection region on underlay substrate, and black matrix can block bridge completely, and then can reduce light leak.
Description
Technical field
The utility model is related to display technology field, espespecially a kind of touch-control display panel and display device.
Background technology
At present, with the development of Display Technique, Display Technique is widely used in the aobvious of TV, mobile phone and public information
Show, large scale display panel is increasingly becoming a part important in people's life, while with the hair at full speed of Display Technique
Exhibition, touch-screen (Touch Screen Panel) is gradually in the life of people.
With the development of touch screen technology, with market demands, it is market trend that overall module, which is thinned, so touching
Structure so can both realize that the thickness of contact panel is thinned simultaneously from touch sensing external hanging type to the embedded development of touch sensing
The cost of a large amount of reduction touch-screens, current embedded touch control panel mainly has three types：Electric resistance touch-control panel, capacitive touch
Panel, optical touch control panel are controlled, corresponding embedded touch technology tentatively applies in small size display screen, and its is excellent
Touch-control performance turn into the direction of following touch-control design, therefore, also to realize the excellent touch-control performance of large scale display panel, carry
The direction made great efforts is supplied.
In the prior art, the realization principle of the touch-control display panel of self-capacitance is as shown in Figure 1a, usually, single to touch
Control point electrode 01 is designed to 5mm*5mm or so square-shaped electrode, is then connected to the electrode 01 with a touch-control wire 02 tactile
Control inside chip 03, drive signal is applied to the electrode 01 by touch chip 03, and the electrode 01 oneself can receive anti-
Feedback signal, i.e., when the non-touch-control of finger, the electric capacity that electrode 01 is born is a fixed value, and when finger touch, electrode 01 is born
Electric capacity add original electric capacity for finger electric capacity, because capacitance size is different, the RC retardation ratio (resistance of signal
Capacitance delay) time also differs, and the front and rear of such finger touch will receive different electric signal, from
And realize the determination of touch point.
As shown in Figure 1 b, electrode 01 and touch-control wire 02 can be electrically connected with using bridge 04, but bridge 04 is exposed
Part black matrix 05, is easily caused that the region (at dashed circle mark) display is uneven, and light leak risk is big.
Utility model content
The utility model embodiment provides a kind of touch-control display panel and display device, to solve to exist in the prior art
The problem of light leak.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, bag
Include：Opposite substrate, array base palte, and the liquid crystal layer between the opposite substrate and the array base palte；It is described to
Substrate has black matrix towards the liquid crystal is laminated；
The array base palte includes underlay substrate, the touch control electrode that multiple same layers on the underlay substrate are set,
And with each one-to-one touch-control lead of touch control electrode；
The array base palte also includes the bridge for being used to the touch control electrode and the touch-control lead being electrically connected with；It is described
Orthographic projection of the bridge on the underlay substrate is located at the black matrix in the orthographic projection region on the underlay substrate；
Each touch control electrode is connected by the corresponding touch-control lead with touch detection chip；The touch detection
Chip is used to by detecting the capacitance variation of each touch control electrode judge position of touch.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
State touch control electrode and be used as public electrode in the display stage, be used as touch control electrode in the touch-control stage.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
Stating array base palte also includes pixel electrode；The pixel electrode is with the bridge mutually insulated and with layer same material.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
State touch control electrode and the touch-control lead is respectively positioned on the lower section of the bridge；
The bridge is electrically connected with by via and the touch control electrode and the touch-control lead respectively.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
State the lower section that touch-control lead is located at the touch control electrode；
There is the first insulating barrier between the touch-control lead and the touch control electrode；The touch control electrode and the bridge it
Between have the second insulating barrier；
The bridge is touched by forming the first via on first insulating barrier and the second insulating barrier with described respectively
Control lead to be electrically connected with, and electrically connected with the touch control electrode by forming the second via on second insulating barrier
Connect.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
State orthographic projection of first via on the underlay substrate mutual not with orthographic projection of the touch control electrode on the underlay substrate
It is overlapping.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
State the top that touch-control lead is located at the touch control electrode；
There is the 3rd insulating barrier between the touch control electrode and the touch-control lead；The touch-control lead and the bridge it
Between have the 4th insulating barrier；
The bridge is respectively by forming the 3rd via on the 3rd insulating barrier, touch-control lead and the 4th insulating barrier
It is connected with the touch control electrode, and it is electrical by forming the 4th via and the touch-control lead on the 4th insulating barrier
Connection.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, institute
State and multiple pixel cells arranged in arrays are provided with array base palte；It is corresponding that the touch-control lead is arranged on the touch control electrode
Gap location between the pixel cell of adjacent column.
The utility model embodiment additionally provides a kind of display device, including the above-mentioned of the utility model embodiment offer touches
Control display panel.
The utility model has the beneficial effect that：
A kind of touch-control display panel and display device that the utility model embodiment is provided, including：Opposite substrate, array base
Plate, and the liquid crystal layer between opposite substrate and array base palte；Opposite substrate has black matrix towards liquid crystal is laminated；Battle array
Row substrate includes underlay substrate, the touch control electrode that multiple same layers on underlay substrate are set, and with each touch control electrode
One-to-one touch-control lead；Array base palte also includes the bridge for being used to touch control electrode and touch-control lead being electrically connected with；Bridge
Orthographic projection on underlay substrate is located at black matrix in the orthographic projection region on underlay substrate；Each touch control electrode passes through
Corresponding touch-control lead is connected with touch detection chip；Touch detection chip is used to become by the capacitance for detecting each touch control electrode
Change to judge position of touch.Orthographic projection of the utility model due to bridge on underlay substrate is located at black matrix on underlay substrate
Orthographic projection region in, black matrix can block bridge completely, and then can reduce light leak.
Brief description of the drawings
Fig. 1 a are the structural representation of touch-control display panel in the prior art；
Fig. 1 b are the enlarged drawing of stain region in Fig. 1 a；
Fig. 2 is one of top view of touch-control display panel for providing in the utility model embodiment；
Fig. 3 is cross-sectional views of the Fig. 2 along A-A ' directions；
Fig. 4 is the two of the top view of touch-control display panel provided in the utility model embodiment；
Fig. 5 is cross-sectional views of the Fig. 4 along B-B ' directions.
Embodiment
Below in conjunction with the accompanying drawings, the touch-control display panel provided the utility model embodiment and the specific implementation of display device
Mode is described in detail.
Wherein, the thickness and shape of each film layer do not reflect the actual proportions of touch-control display panel in accompanying drawing, and purpose is to show
Meaning explanation the utility model content.
The utility model embodiment provides a kind of touch-control display panel, as shown in Figures 2 to 5, including：Opposite substrate,
Array base palte, and the liquid crystal layer between opposite substrate and array base palte；Opposite substrate is laminated with black towards liquid crystal
Matrix；
Array base palte includes underlay substrate, the touch control electrode 1 that multiple same layers on underlay substrate are set, and with it is every
The individual one-to-one touch-control lead 2 of touch control electrode 1；
Array base palte also includes the bridge 3 for being used to touch control electrode 1 and touch-control lead 2 being electrically connected with；Bridge 3 is in substrate base
Orthographic projection on plate is located at black matrix 4 in the orthographic projection region on underlay substrate；
Each touch control electrode 1 is connected by corresponding touch-control lead 2 with touch detection chip；Touch detection chip is used to lead to
Cross and detect the capacitance variation of each touch control electrode to judge position of touch.
The above-mentioned touch-control display panel provided in the utility model embodiment, including：Opposite substrate, array base palte, and
Liquid crystal layer between opposite substrate and array base palte；Opposite substrate has black matrix towards liquid crystal is laminated；Array base palte
Including underlay substrate, the touch control electrode that multiple same layers on underlay substrate are set, and with a pair of each touch control electrode 1
The touch-control lead answered；Array base palte also includes the bridge for being used to touch control electrode and touch-control lead being electrically connected with；Bridge is in substrate
Orthographic projection on substrate is located at black matrix in the orthographic projection region on underlay substrate；Each touch control electrode passes through corresponding
Touch-control lead is connected with touch detection chip；Touch detection chip is used to by detecting the capacitance variation of each touch control electrode sentence
Disconnected position of touch.Orthographic projection of the utility model due to bridge on underlay substrate is located at positive throwing of the black matrix on underlay substrate
In shadow region, black matrix can block bridge completely, and then can reduce light leak.
In the specific implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, touch control electrode can be with
It is used as public electrode in the display stage, is used as touch control electrode in the touch-control stage.That is, can by public electrode in the touch-control stage
To be multiplexed with touch control electrode, now touch-control lead is used to transmit common electrode signal to public electrode in the display stage, in touch-control
Stage is additionally operable to the public electrode will occur touch position to public electrode (i.e. touch control electrode) transmission touch scanning signals
The touching signals that (i.e. touch control electrode) is produced are transferred to touch chip.Also, under the premise of extra manufacture craft is not increased, only lead to
Cross and touch-control lead is set in position corresponding with touch control electrode, the embedded touch control technology of self-capacitance has been merged, by interior embedding technique
It is combined with existing large scale display panel, realizes the excellent touch-control performance of large scale display panel.
Further, in the specific implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, such as scheme
Shown in 2 and Fig. 4, array base palte can also include pixel electrode 5；Pixel electrode 5 and the mutually insulated of bridge 3 and with layer same material,
I.e. the material of pixel electrode 5 is identical with the material of bridge 3, therefore in touch-control display panel manufacturing process, using with a structure
Figure technique formation pixel electrode and bridge, can so simplify technique, make simple, reduce cost.
In the specific implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, such as Fig. 3 and Fig. 5 institutes
Show, touch control electrode 1 and touch-control lead 2 are respectively positioned on the lower section of bridge 3；Bridge 3 is drawn by via with touch control electrode 1 and touch-control respectively
Line 2 is electrically connected with.Specifically, Fig. 3 and Fig. 5 respectively illustrate bridge 3 and drawn respectively by a via and touch control electrode 1 and touch-control
Line 2 is electrically connected with.
In the specific implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, for touch control electrode
There can be following two embodiments with the position of touch-control lead：
Specifically, as shown in Figures 2 and 3, the first embodiment is that touch-control lead 2 can be located at touch control electrode 1
Lower section；There is the first insulating barrier 6 between touch-control lead 2 and touch control electrode 1；It is exhausted with second between touch control electrode 1 and bridge 3
Edge layer 7；Bridge 3 is respectively by forming the first via W on the first insulating barrier 6 and the second insulating barrier 71With the electricity of touch-control lead 2
Property connection, and by forming the second via W on the second insulating barrier 72It is electrically connected with touch control electrode 1.
Further, in the specific implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, when tactile
When controlling lead 2 positioned at the lower section of touch control electrode 1, the first via W1Orthographic projection on underlay substrate is with touch control electrode 1 in substrate
Orthographic projection non-overlapping copies on substrate.
Specifically, second of embodiment is that touch-control lead 2 can be located at the top of touch control electrode 1；Touch control electrode 1
There is the 3rd insulating barrier 8 between touch-control lead 2；There is the 4th insulating barrier 9 between touch-control lead 2 and bridge 3；Bridge 3 is distinguished
By forming the 3rd via W on the 3rd insulating barrier 8, the insulating barrier 9 of touch-control lead 2 and the 4th3It is connected with touch control electrode 1, with
And by forming the 4th via W on the 4th insulating barrier 94It is electrically connected with touch-control lead 2.
In the specific implementation, in the above-mentioned touch-control display panel that the utility model embodiment is provided, set in array base palte
There are multiple pixel cells arranged in arrays；Touch-control lead can be arranged on the corresponding adjacent column of touch control electrode pixel cell it
Between gap location, can so ensure that touch-control lead will not take the aperture opening ratio of touch-control display panel.
Fig. 2 to Fig. 5 is only the specific embodiment of touch display panel structure, in actual production and application, and touch-control is shown
The concrete structure not limited to this of panel, can increase and decrease or change its film layer structure, so as to suitable for a variety of according to needs of production
The display panel of pattern, is not limited thereto.
In the specific implementation, typically can also have in the touch-control display panel that the utility model embodiment is provided and such as polarize
Other film layer structures such as piece, spacer material, color film layer, and also it is generally formed with underlay substrate thin film transistor (TFT), grid line, number
According to structures such as lines, these concrete structures can have a variety of implementations, not limit herein.
Based on the design of same utility model, the utility model embodiment provides a kind of display device, including the utility model
The above-mentioned touch-control display panel that embodiment is provided, the display device can be：Mobile phone, tablet personal computer, television set, display, pen
Remember any product or part with display function such as this computer, DPF, navigator.Other for the display device must
Indispensable part is that it will be apparent to an ordinarily skilled person in the art that have, will not be described here, should not also make
For to limitation of the present utility model.The implementation of the display device may refer to the embodiment of above-mentioned touch-control display panel, repetition
Place is repeated no more.
A kind of touch-control display panel and display device that the utility model embodiment is provided, including：Opposite substrate, array base
Plate, and the liquid crystal layer between opposite substrate and array base palte；Opposite substrate has black matrix towards liquid crystal is laminated；Battle array
Row substrate includes underlay substrate, the touch control electrode that multiple same layers on underlay substrate are set, and with each touch control electrode
One-to-one touch-control lead；Array base palte also includes the bridge for being used to touch control electrode and touch-control lead being electrically connected with；Bridge
Orthographic projection on underlay substrate is located at black matrix in the orthographic projection region on underlay substrate；Each touch control electrode passes through
Corresponding touch-control lead is connected with touch detection chip；Touch detection chip is used to become by the capacitance for detecting each touch control electrode
Change to judge position of touch.Orthographic projection of the utility model due to bridge on underlay substrate is located at black matrix on underlay substrate
Orthographic projection region in, black matrix can block bridge completely, and then can reduce light leak.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (9)
1. a kind of touch-control display panel, including：Opposite substrate, array base palte, and positioned at the opposite substrate and the array
Liquid crystal layer between substrate；The opposite substrate has black matrix towards the liquid crystal is laminated；Characterized in that,
The array base palte includes underlay substrate, the touch control electrode that multiple same layers on the underlay substrate are set, and
With each one-to-one touch-control lead of touch control electrode；
The array base palte also includes the bridge for being used to the touch control electrode and the touch-control lead being electrically connected with；The bridge
Orthographic projection on the underlay substrate is located at the black matrix in the orthographic projection region on the underlay substrate；
Each touch control electrode is connected by the corresponding touch-control lead with touch detection chip；The touch detection chip
For judging position of touch by detecting the capacitance variation of each touch control electrode.
2. touch-control display panel as claimed in claim 1, it is characterised in that the touch control electrode is used as public in the display stage
Electrode, is used as touch control electrode in the touch-control stage.
3. touch-control display panel as claimed in claim 1, it is characterised in that the array base palte also includes pixel electrode；Institute
Pixel electrode is stated with the bridge mutually insulated and with layer same material.
4. touch-control display panel as claimed in claim 3, it is characterised in that the touch control electrode and the equal position of touch-control lead
In the lower section of the bridge；
The bridge is electrically connected with by via and the touch control electrode and the touch-control lead respectively.
5. touch-control display panel as claimed in claim 4, it is characterised in that the touch-control lead is located at the touch control electrode
Lower section；
There is the first insulating barrier between the touch-control lead and the touch control electrode；Have between the touch control electrode and the bridge
There is the second insulating barrier；
The bridge is drawn by forming the first via on first insulating barrier and the second insulating barrier with the touch-control respectively
Line is electrically connected with, and is electrically connected with by forming the second via on second insulating barrier with the touch control electrode.
6. touch-control display panel as claimed in claim 5, it is characterised in that first via is on the underlay substrate
Orthographic projection and orthographic projection non-overlapping copies of the touch control electrode on the underlay substrate.
7. touch-control display panel as claimed in claim 4, it is characterised in that the touch-control lead is located at the touch control electrode
Top；
There is the 3rd insulating barrier between the touch control electrode and the touch-control lead；Have between the touch-control lead and the bridge
There is the 4th insulating barrier；
The bridge is respectively by forming the 3rd via and institute on the 3rd insulating barrier, touch-control lead and the 4th insulating barrier
Touch control electrode connection is stated, and is electrically connected with the touch-control lead by forming the 4th via on the 4th insulating barrier
Connect.
8. touch-control display panel as claimed in claim 1, it is characterised in that provided with arranged in arrays in the array base palte
Multiple pixel cells；The touch-control lead is arranged on the gap between the pixel cell of the corresponding adjacent column of the touch control electrode
Place.
9. a kind of display device, it is characterised in that including the touch-control display panel as described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189301.2U CN206479966U (en) | 2017-02-28 | 2017-02-28 | A kind of touch-control display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189301.2U CN206479966U (en) | 2017-02-28 | 2017-02-28 | A kind of touch-control display panel and display device |
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| Publication Number | Publication Date |
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| CN206479966U true CN206479966U (en) | 2017-09-08 |
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ID=59746782
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| CN201720189301.2U Active CN206479966U (en) | 2017-02-28 | 2017-02-28 | A kind of touch-control display panel and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089760A (en) * | 2018-01-02 | 2018-05-29 | 上海天马有机发光显示技术有限公司 | A kind of touch-control display panel and touch control display apparatus |
| CN108089762A (en) * | 2018-01-03 | 2018-05-29 | 上海天马微电子有限公司 | A kind of touch-control display panel and display device |
| CN111653197A (en) * | 2020-06-16 | 2020-09-11 | 厦门天马微电子有限公司 | Display panel and display device |
| WO2022236798A1 (en) * | 2021-05-14 | 2022-11-17 | 京东方科技集团股份有限公司 | Display substrate, display panel, and display apparatus |
-
2017
- 2017-02-28 CN CN201720189301.2U patent/CN206479966U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089760A (en) * | 2018-01-02 | 2018-05-29 | 上海天马有机发光显示技术有限公司 | A kind of touch-control display panel and touch control display apparatus |
| CN108089760B (en) * | 2018-01-02 | 2022-03-04 | 武汉天马微电子有限公司 | Touch display panel and touch display device |
| CN108089762A (en) * | 2018-01-03 | 2018-05-29 | 上海天马微电子有限公司 | A kind of touch-control display panel and display device |
| CN108089762B (en) * | 2018-01-03 | 2020-11-03 | 上海天马微电子有限公司 | Touch display panel and display device |
| CN111653197A (en) * | 2020-06-16 | 2020-09-11 | 厦门天马微电子有限公司 | Display panel and display device |
| WO2022236798A1 (en) * | 2021-05-14 | 2022-11-17 | 京东方科技集团股份有限公司 | Display substrate, display panel, and display apparatus |
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