CN109324455A - Embedded touch array substrate, display panel and liquid crystal display device - Google Patents
Embedded touch array substrate, display panel and liquid crystal display device Download PDFInfo
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- CN109324455A CN109324455A CN201811333683.7A CN201811333683A CN109324455A CN 109324455 A CN109324455 A CN 109324455A CN 201811333683 A CN201811333683 A CN 201811333683A CN 109324455 A CN109324455 A CN 109324455A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/13629—Multilayer wirings
Abstract
A kind of embedded touch array substrate, display panel and liquid crystal display device, array substrate has viewing area and fan-out area, array substrate includes substrate and the first metal layer set gradually from bottom to top along substrate, second metal layer and third metal layer, is respectively arranged with insulating layer between each metal layer；The first metal layer forms scan line in viewing area, forms first lead in fan-out area；Second metal layer forms data line and touch-control line in viewing area, forms the second lead in fan-out area；Third metal layer forms third lead in fan-out area；First lead, the second lead and third lead are in fan-out area with adjacent every three for one group, every group of three lead-in wires include a first lead, second lead and a third lead, every group of three lead-in wires are located at different layers and are overlapped in the upright projection of array substrate, every lead is connected for data line corresponding with one or touch-control line, it is possible to reduce the lower frame thickness of array substrate.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of embedded touch array substrate, display panel and liquid
Crystal device.
Background technique
With the rapid development of display technology, touch screen (touch panel) has spread each side in people's life
Face.With being constantly progressive for touch technology, requirement of the people to touch-control product is also higher and higher, while paying close attention to sensitivity also
Consider it is frivolous so that display panel manufacturer processing procedure cost is significantly promoted.
Currently, touch screen can be divided into according to composed structure: covering surface-type touch screen (On-cell touch panel)
And In-cell touch panel (In-cell touch panel).In-cell touch panel is to be embedded in the touch control electrode of touch screen
Inside display screen, such as touch control electrode is embedded in array substrate.Wherein having a kind of mode to be will be public in array substrate
Electrode is divided into multiple block type electrodes, and time-sharing multiplex is touch control electrode, shows that picture with touch-control sensing alternately, i.e., and one
Frame picture is divided into display period and touch-control period, and public electrode is in the display period for driving liquid crystal molecule to carry out picture
It has been shown that, in the touch-control period for realizing touch-control sensing detection, when needing to realize touch function, each block type electrode to hold certainly
Mode constitutes the detection that touch control capacitance realizes touching signals, since this mode does not need that additional electricity is arranged in array substrate
Pole layer, to reduce plate thickness and cost, becomes the display panel of the integrated touch function of mainstream.
But found in the production process of product, multiple pieces in the data line in array substrate and extraction public electrode
The touch-control line of shape electrode covers the fan-out area of the overwhelming majority, by taking resolution ratio is full HD as an example: source side in array substrate
Data line is fanned out to cabling needs 720*3 root, and 1/3 cabling that is fanned out to is increased after increasing touch-control line, is then needed at this time
720*4 root metal routing influences whether the width of the frame (lower frame) of source side, is unfavorable for the realization of narrow frame design.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of embedded touch array substrate, display panel and liquid crystals
Showing device can save the space for being fanned out to cabling, realize the design of narrow frame.
The embodiment of the present invention provides a kind of embedded touch array substrate, has viewing area and fan-out area, embedded touching
Control array substrate includes substrate and edge perpendicular to the substrate the first metal layer that direction is set gradually from bottom to top, second metal layer
With third metal layer, insulating layer, the first metal layer are respectively arranged between the first metal layer, second metal layer and third metal layer
Multi-strip scanning line is formed in viewing area, the first metal layer forms a plurality of first lead in fan-out area, and second metal layer is being shown
Area forms multiple data lines and a plurality of touch-control line, second metal layer form a plurality of second lead, third metal layer in fan-out area
A plurality of third lead is formed in fan-out area, a plurality of first lead, a plurality of second lead and a plurality of third lead are in fan-out area
With adjacent every three for one group, every group of three lead-in wires include that a first lead, second lead and a third are drawn
Line, every group of three lead-in wires are located at different layers and are overlapped in the upright projection of array substrate, and every lead is used for and one
The corresponding data line of item or touch-control line connection.
Further, a plurality of first lead and multi-strip scanning line by the first metal layer by with along with optical cover process lost
It carves patterning production to be formed, a plurality of second lead, multiple data lines and a plurality of touch-control line pass through the light with along with by second metal layer
Cover processing procedure is etched patterning production and is formed, and a plurality of third lead is made by etch patterning by third metal layer and formed.
Further, the first insulating layer, second metal layer and third are provided between the first metal layer and second metal layer
Second insulating layer is provided between metal layer；Be formed with first through hole in first insulating layer, first lead by first through hole with
One corresponding touch-control line or data line connection；Second lead touch-control line directly corresponding with one or data line connection；Third
Lead is connected by the second through-hole touch-control line corresponding with one or data line.
Further, embedded touch array substrate further includes touch control electrode, and touch control electrode includes multiple mutually insulateds
Touch control electrode block, multiple touch control electrode blocks are connect with a plurality of touch-control line respectively.
Further, touch control electrode is also used as public electrode simultaneously.
Further, embedded touch array substrate intersected by the insulation of multiple data lines and multi-strip scanning line limit formed it is more
A pixel unit, at least every three column pixel unit is interior to be equipped with a touch-control line.
Further, a plurality of first lead, a plurality of second lead and a plurality of third lead form multiple groups lead and are scanning
Line direction repeated arrangement.
Further, every lead includes lead branch and forms the lead main road of certain angle with lead branch, and every
Lead branch is located on the extended line direction of corresponding every touch-control line or data line, each first through hole and each second through-hole
It is set to the position of corresponding lead branch, every lead branch with data line or touch-control line for connecting, in every group of lead
Every lead main road is overlapped in the upright projection of array substrate.
The present invention also provides a kind of display panel, including array substrate, the color membrane substrates being oppositely arranged with array substrate and
Liquid crystal layer between array substrate and color membrane substrates, array substrate are embedded touch array substrate as described above.
The present invention also provides a kind of liquid crystal display devices, including display panel as described above.
The beneficial effects of the present invention are: by by data line and touch-control line be fanned out to cabling be distributed in the first metal layer,
Second metal layer and third metal layer, and the lead of fan-out area with every three be one group, every group of three lead-in wires are located at
It overlaps in different layers and up and down, the space for being fanned out to cabling can be saved, realize narrow frame design demand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fan-out area in the embodiment of the present invention.
Fig. 2 is the enlarged diagram of dotted line frame C in Fig. 1.
Fig. 3 is schematic cross-section of the Fig. 1 along line A-A.
Fig. 4 is the floor map of the array substrate in the embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical approach and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Accompanying drawings and embodiments, to a specific embodiment of the invention, structure, feature and its effect, detailed description is as follows.
Fig. 1 is the structural schematic diagram of fan-out area in the embodiment of the present invention, the amplification signal that Fig. 2 is dotted line frame C in Fig. 1
Figure, Fig. 3 are schematic cross-section of the Fig. 1 along line A-A, and Fig. 4 is the floor map of the array substrate in the embodiment of the present invention.Such as
Shown in Fig. 1 to Fig. 4, the embodiment of the present invention provides a kind of embedded touch array substrate, has viewing area 100 and non-display area,
Non-display area includes fan-out area 200, the embedded touch array substrate include substrate 11 and along perpendicular to substrate 11 under
The first metal layer 12, second metal layer 14 and the third metal layer 16 set gradually to upper direction, the first metal layer 12, the second gold medal
Belong to and be respectively arranged with insulating layer between layer 14 and third metal layer 16, is wherein set between the first metal layer 12 and second metal layer 14
It is equipped with the first insulating layer 13, second insulating layer 15 is provided between second metal layer 14 and third metal layer 16.
The first metal layer 12 forms grid and multi-strip scanning line 121 in viewing area 100, and the first metal layer 12 is in fan-out area
200 form a plurality of first lead 80a, and wherein first lead 80a, grid and scan line 121 can be passed through by the first metal layer 12
Optical cover process is etched patterning production and is formed with along with.
Second metal layer 14 forms source electrode, drain electrode, multiple data lines 141 and a plurality of touch-control line 142 in viewing area 100, the
Two metal layers 14 form a plurality of second lead 80b in fan-out area 200, wherein the second lead 80b, source electrode, drain electrode, data line
141 with touch-control line 142 can by second metal layer 14 by with along with optical cover process be etched patterning production formed.
Third metal layer 16 forms a plurality of third lead 80c in fan-out area 200, and third lead 80c can be by third gold
Belong to layer 16 to make to be formed by etch patterning.
That is, the first metal layer 12, second metal layer 14 and third metal layer 16 are formed with a plurality of draw in fan-out area 200
Line 80, wherein the first metal layer 12 is formed with a plurality of first lead 80a in fan-out area 200, and second metal layer 14 is in fanout area
Domain 200 is formed with a plurality of second lead 80b, and third metal layer 16 is formed with a plurality of third lead 80c in fan-out area 200.It is more
First lead 80a, a plurality of second lead 80b and a plurality of third lead 80c are in fan-out area 200 with adjacent every three for one
Group, every group of three lead-in wires 80 include a first lead 80a, a second lead 80b and a third lead 80c, and every group
Three lead-in wires 80 be located at different layers and be overlapped in the upright projection of array substrate, every lead 80 is used for and a number
It is correspondingly connected with according to line 141 or with a touch-control line 142.In this way, can reduce lead by the overlapping of lead occupies frame
Area saves the space for being fanned out to cabling, and then reduces border width.
In the present embodiment, first through hole 131 is formed in the first insulating layer 13, first through hole 131 is through the first insulation
Layer 13, the first lead 80a positioned at the first metal layer 12 are corresponding with positioned at one of second metal layer 14 by first through hole 131
Touch-control line 142 or data line 141 connect；The second through-hole 151 is formed in second insulating layer 15, the second through-hole 151 runs through
Second insulating layer 15, the third lead 80c positioned at third metal layer 16 by the second through-hole 151 and are located at second metal layer 14
One corresponding touch-control line 142 or data line 141 connect；Positioned at second metal layer 14 the second lead 80b directly be located at the
The corresponding touch-control line 142 of one of two metal layers 14 or data line 141 connect.
In the present embodiment, embedded touch array substrate further includes touch control electrode 18, and touch control electrode 18 can be with third gold
During category layer 16 is located on the same floor, touch control electrode 18 is located at viewing area 100, and touch control electrode 18 includes multiple touch-controls electricity of mutually insulated
Pole block 181.The a plurality of touch-control line 142 is connect with the multiple touch control electrode block 181 respectively, i.e. every touch-control line 142 and one
A touch control electrode block 181 is correspondingly connected with.It specifically, can second insulating layer between touch control electrode 18 and second metal layer 14
Third through-hole 152 is formed in 15, every touch-control line 142 is connected by third through-hole 152 with a corresponding touch control electrode block 181
It connects.
In the present embodiment, embedded touch array substrate intersects limit by multiple data lines 141 and the insulation of multi-strip scanning line 121
Multiple pixel unit P are shaped as, are equipped with pixel electrode 19 in each pixel unit P, pixel electrode 19 passes through thin film transistor (TFT)
(TFT) it is connected with corresponding scan line 121 and data line 141.Specifically, the grid of thin film transistor (TFT) and corresponding scan line
121 connections, the source electrode of thin film transistor (TFT) are connected with corresponding data line 141, and the drain electrode of thin film transistor (TFT) and pixel electrode 19 connect
It connects.
In the present embodiment, touch-control line 142 and data line 141 are extended in the same direction, such as extend along the vertical direction, often
A touch-control line 142 is equipped in three column pixel unit P, but not limited to this.For example, it is also possible to the pixel unit P more than three column
Inside it is equipped with a touch-control line 142.Each touch control electrode block 181 can at least cover three pixel lists on 121 direction of scan line
First P is simultaneously connect with a touch-control line 142.Each touch control electrode block 181 can need depending on touch-control sensitivity etc. and cover different numbers
The pixel unit P of amount.
In the present embodiment, touch control electrode 18 is also used as public electrode (common electrode) simultaneously.That is, utilizing array
Public electrode on substrate serves as touch-control sensing function, and public electrode takes time-sharing multiplex, shows picture and hands over touch-control sensing
For progress, i.e. a frame picture is divided into display period and touch-control period, and public electrode is public for applying in the display period
Voltage (Vcom) simultaneously forms electric field between pixel electrode to drive liquid crystal molecule progress picture to show, is used in the touch-control period
Touch-control sensing detection is realized, to sense to the touch signal on display screen.Touch-control line 142 and public electrode are in array substrate
Interior to form embedded touch sensor (In-cell touch sensors), the embedded touch sensor is self-tolerant frame
Detectable signal is led to driving chip 300 as cabling by structure, each touch-control line 142, by driving chip 300 to detectable signal into
Row processing.The chip that driving chip 300 can be become one using driving and touch-control, i.e. TDDI (Touch and Display
Driver Integration)。
It please join Fig. 1 and Fig. 2, every lead 80 includes lead branch 81 and forms the lead of certain angle with lead branch 81
Main road 82, every lead branch 81 are located on the extended line direction of corresponding every touch-control line 142 or data line 141, Mei Ge
One through-hole 131 and each second through-hole 151 are set to the position of corresponding lead branch 81, and every lead branch 81 is used for and data
Line 141 or touch-control line 142 connect, and the lead main road 82 of every group of three lead-in wires 80 is overlapped in the upright projection of array substrate, i.e.,
Upper and lower position overlapping.
In the present embodiment, a plurality of first lead 80a, a plurality of second lead 80b and a plurality of third lead 80c form multiple groups and draw
Line and in 121 direction repeated arrangement of scan line, every group of three lead-in wires include a first lead 80a, a second lead 80b
With a third lead 80c.
The embodiment of the present invention also provides a kind of display panel, including embedded touch array substrate as described above, with it is interior
The color membrane substrates and the liquid between embedded touch array substrate and color membrane substrates that embedded touch-control array substrate is oppositely arranged
Crystal layer.
The embodiment of the present invention also provides a kind of liquid crystal display device, including display panel as described above.
In the present embodiment, by the way that the cabling that is fanned out to of data line and touch-control line is distributed in the first metal layer, second metal layer
With third metal layer, the lead of fan-out area with every three for one group, every group of three lead-in wires be located at different layers and on
Under overlap, can save the space for being fanned out to cabling, realize narrow frame design demand.
The above is only presently preferred embodiments of the present invention, are not intended to limit the present invention in any form, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above reality
Any simple modification, equivalent change and modification made by example are applied, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of embedded touch array substrate has viewing area (100) and fan-out area (200), which is characterized in that in described
Embedded touch-control array substrate include substrate (11) and along perpendicular to the substrate (11) from bottom to top direction set gradually the
One metal layer (12), second metal layer (14) and third metal layer (16), the first metal layer (12), the second metal layer
(14) insulating layer is respectively arranged between the third metal layer (16), the first metal layer (12) is in the viewing area
(100) multi-strip scanning line (121) are formed, the first metal layer (12) forms a plurality of first in the fan-out area (200) and draws
Line (80a), the second metal layer (14) form multiple data lines (141) and a plurality of touch-control line in the viewing area (100)
(142), the second metal layer (14) forms a plurality of second lead (80b), the third metal in the fan-out area (200)
Layer (16) forms a plurality of third lead (80c) in the fan-out area (200), a plurality of first lead (80a), described a plurality of
Second lead (80b) and a plurality of third lead (80c) the fan-out area (200) with adjacent every three for one group,
Every group of three lead-in wires include a first lead (80a), second lead (80b) and a third lead (80c), every group
Three lead-in wires be located at different layers and be overlapped in the upright projection of the array substrate, every lead be used for one it is right
Data line (141) or touch-control line (142) connection answered.
2. embedded touch array substrate as described in claim 1, which is characterized in that a plurality of first lead (80a) and
The multi-strip scanning line (121) by the first metal layer (12) by with along with optical cover process be etched patterning production shape
At a plurality of second lead (80b), the multiple data lines (141) and a plurality of touch-control line (142) are by second gold medal
Belong to layer (14) pass through with along with optical cover process be etched patterning make formation, a plurality of third lead (80c) is by described
Third metal layer (16) makes to be formed by etch patterning.
3. embedded touch array substrate as described in claim 1, which is characterized in that the first metal layer (12) with it is described
It is provided between second metal layer (14) the first insulating layer (13), the second metal layer (14) and the third metal layer (16)
Between be provided with second insulating layer (15)；First through hole (131), the first lead are formed in first insulating layer (13)
(80a) is connected by the first through hole (131) touch-control line (142) corresponding with one or data line (141)；Described second draws
Line (80b) touch-control line (142) directly corresponding with one or data line (141) connection；It is formed in the second insulating layer (15)
Have the second through-hole (151), the third lead (80c) passes through second through-hole (151) touch-control line (142) corresponding with one
Or data line (141) connection.
4. embedded touch array substrate as described in claim 1, which is characterized in that the embedded touch array substrate is also
Including touch control electrode (18), the touch control electrode (18) includes the touch control electrode block (181) of multiple mutually insulateds, the multiple touching
Control electrode block (181) is connect with a plurality of touch-control line (142) respectively.
5. embedded touch array substrate as claimed in claim 4, which is characterized in that the touch control electrode (18) is also made simultaneously
For public electrode.
6. embedded touch array substrate as described in claim 1, which is characterized in that the embedded touch array substrate by
The multiple data lines (141) intersect restriction with the multi-strip scanning line (121) insulation and form multiple pixel units (P), at least
A touch-control line (142) is equipped in every three column pixel unit (P).
7. embedded touch array substrate as described in claim 1, which is characterized in that a plurality of first lead (80a), institute
It states a plurality of second lead (80b) and a plurality of third lead (80c) forms multiple groups lead and in the scan line (121) direction
Repeated arrangement.
8. embedded touch array substrate as described in claim 1, which is characterized in that every lead includes lead branch (81)
And the lead main road (82) of certain angle is formed with the lead branch (81), every lead branch (81) is located at corresponding every
On the extended line direction of touch-control line (142) or data line (141), each first through hole (131) and each second through-hole (151) are set
It is placed in the position of the corresponding lead branch (81), every lead branch (81) is used for and the data line (141) or described
Touch-control line (142) connects, and every lead main road (82) in every group of lead is overlapped in the upright projection of the array substrate.
9. a kind of display panel including array substrate, the color membrane substrates being oppositely arranged with the array substrate and is located at the battle array
Liquid crystal layer between column substrate and the color membrane substrates, which is characterized in that the array substrate is as claim 1 to 8 is any
Embedded touch array substrate described in.
10. a kind of liquid crystal display device, which is characterized in that including display panel as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811333683.7A CN109324455A (en) | 2018-11-09 | 2018-11-09 | Embedded touch array substrate, display panel and liquid crystal display device |
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| CN201811333683.7A CN109324455A (en) | 2018-11-09 | 2018-11-09 | Embedded touch array substrate, display panel and liquid crystal display device |
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| CN110837820A (en) * | 2019-11-26 | 2020-02-25 | 厦门天马微电子有限公司 | Array substrate and display panel |
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| CN113192893A (en) * | 2021-04-26 | 2021-07-30 | 昆山龙腾光电股份有限公司 | Thin film transistor array substrate and manufacturing method thereof |
| WO2021217827A1 (en) * | 2020-04-30 | 2021-11-04 | 武汉华星光电技术有限公司 | Thin film transistor array substrate and touch control display panel |
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