CN103984442B - Embedded active matrix organic light-emitting diode contact panel - Google Patents
Embedded active matrix organic light-emitting diode contact panel Download PDFInfo
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- CN103984442B CN103984442B CN201410228741.5A CN201410228741A CN103984442B CN 103984442 B CN103984442 B CN 103984442B CN 201410228741 A CN201410228741 A CN 201410228741A CN 103984442 B CN103984442 B CN 103984442B
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Abstract
The present invention relates to a kind of embedded active matrix organic light-emitting diode contact panel, belong to display screen technology field.Lower touch sensing layer and upper touch sensing layer are included due to its OLED panel, lower touch sensing layer includes lower touch sensing array, upper touch sensing layer includes upper touch sensing array, the lower touch sensing array arrangement direction is vertical with the upper touch sensing array arrangement direction, and lower touch sensing array and upper touch sensing array constitute the mutual tolerance touch sensing unit to sense touch signal.So as to which the sensing element of touching signals and OLED panel are integrated, form embedded touch control panel, it is that embedded active matrix organic light-emitting diode contact panel of the invention is not only simple in structure, thickness is thinner, cost is lower, it is adaptable to more compact electronic product, and can effectively improve panel penetration, the generation of rainbow line phenomenon is reduced, the usage experience of user is substantially improved.
Description
Technical field
The present invention relates to display screen technology field, more particularly to light emitting diode (LED) display screen technical field specifically refers to one
Plant embedded active matrix organic light-emitting diode contact panel.
Background technology
In current electronic product, the display panel with touch controllable function is generally equipped on all kinds of intelligent handhold devices,
Therefore electronic product is similarly added on contact panel for compact requirement.Researched and developed by the effort of manufacturer, from outer
Embedded contact panel (Out-Cell Touch) arrives table embedded contact panel (On-Cell Touch), or even single glass touch-control
Solutions such as (One Glass Solution, OGS) just occurs one after another.
The conventional structure of wherein table embedded contact panel (On-Cell Touch) is as shown in Figure 1.On-cell is in Shang Gai
Film (film) material of touch sensing sensor and correlation is sticked on glass sheet, a piece of protect of finally being fitted again in the top
Protect glass (Cover lens).Its shortcoming is：Panel penetration is poor (Low transmittance)；Easily produce rainbow
Line phenomenon (Moire), and panel is thicker, cost is also higher
Single glass touch-control (OGS) panel construction commonly used in the prior art is as shown in Figure 2.OGS be by upper cover plate glass with
Sensor is integrated into single glass state and is attached on panel (Panel cell), and glass number is reduced into two panels with this, so that
Panel integral thickness can be reduced to a certain extent compared to table embedded contact panel, reduce production cost, but it is of the prior art
Single glass is touch panel structure provided the problem of equally exist poor panel penetration and easy generation rainbow line phenomenon.
Therefore how to provide a kind of in reduction plate thickness, reduce cost, it is adaptable to compact electronic product it is same
When, can improve panel penetration again, reduce the generation of rainbow line phenomenon, and finally improve the contact panel of user experience into
For the art urgent problem to be solved.
The content of the invention
The purpose of the present invention is to overcome above-mentioned shortcoming of the prior art and can effectively improve panel there is provided one kind to penetrate
Degree, reduces the generation of rainbow line phenomenon, while simple in construction, thickness is thinner, and cost is relatively low, can be suitably used for more compact
Electronic product, and embedded (In-Cell Touch) active matrix organic light-emitting diode of user experience is substantially improved
Contact panel.
In order to realize above-mentioned purpose, embedded active matrix organic light-emitting diode contact panel of the invention has bag
Include：
Substrate, the TFT backplate on the substrate and the OLED panel on described TFT backplate, the OLED panel
Including the oled layer between lower electrode layer, upper electrode layer and the lower electrode layer and the upper electrode layer.This is embedded active
Matrix organic LED contact panel also includes lower touch sensing layer and upper touch sensing layer, the lower touch-control sensing
The lower touch sensing that device layer is included in lower touch sensing array, the lower touch sensing array is patterned in the lower electricity
Among the lower clearance channel formed in the layer of pole between each bottom electrode, the upper touch sensing layer includes upper touch sensing
Upper touch sensing in array, the upper touch sensing array is patterned in the upper electrode layer between each Top electrode
Among the upper clearance channel formed；The lower touch sensing array arrangement direction and the upper touch sensing array arrangement
Direction is vertical, and the lower touch sensing array and the upper touch sensing array constitute the mutual tolerance to sense touch signal
Touch sensing unit, and, the lower touch sensing array and the upper equal circuit of touch sensing array are connected to touch-control letter
Number circuit.
In the embedded active matrix organic light-emitting diode contact panel, the lower electrode layer is OLED panel anode layer,
The upper electrode layer is OLED panel cathode layer.
In the embedded active matrix organic light-emitting diode contact panel, in the lower electrode layer between each bottom electrode
The lower clearance channel formed is first direction, and the lower touch sensing array is the lower clearance channel located at first direction
Scanning signal sensor array；The upper clearance channel formed in the upper electrode layer between each Top electrode be and described first
The vertical second direction in direction, the upper touch sensing array is that the drive signal of the upper clearance channel located at second direction is passed
Sensor array.
In the embedded active matrix organic light-emitting diode contact panel, in the lower electrode layer between each bottom electrode
The lower clearance channel formed is second direction, and the lower touch sensing array is the lower clearance channel located at second direction
Drive signal sensor array；The upper clearance channel formed in the upper electrode layer between each Top electrode be and described second
The vertical first direction in direction, the upper touch sensing array is that the scanning signal of the upper clearance channel located at first direction is passed
Sensor array.
In the embedded active matrix organic light-emitting diode contact panel, the touching signals circuit is arranged at described
TFT backplate.The embedded active matrix organic light-emitting diode contact panel of the invention is employed, due to including for its OLED panel
Lower touch sensing layer and upper touch sensing layer, the lower touch sensing layer include lower touch sensing array, it is described under
Lower touch sensing in touch sensing array is patterned in the lower electrode layer to be formed down between each bottom electrode
Among clearance channel, the upper touch sensing layer is included in upper touch sensing array, the upper touch sensing array
Upper touch sensing is patterned among the upper clearance channel formed in the upper electrode layer between each Top electrode；Under described
Touch sensing array arrangement direction is vertical with the upper touch sensing array arrangement direction, the lower touch sensing array
The mutual tolerance touch sensing unit to sense touch signal is constituted with the upper touch sensing array.So as to which touch-control is believed
Number sensing element and OLED panel integrate, form embedded (In-Cell Touch) contact panel, be that the embedded of the present invention has
Source matrix touch control panel of organic luminous diode is not only simple in structure, and thickness is thinner, and cost is lower, it is adaptable to more compact
Electronic product, and can effectively improve panel penetration, reduce the generation of rainbow line phenomenon, the use body of user is substantially improved
Test.
Brief description of the drawings
Fig. 1 is the structural representation of externally embedded type contact panel of the prior art.
Fig. 2 is the structural representation of single glass contact panel of the prior art.
Fig. 3 is the structural representation of the embedded active matrix organic light-emitting diode contact panel of the present invention.
Fig. 4 is the detail sections structural representation of the embedded active matrix organic light-emitting diode contact panel of the present invention
Figure.
Fig. 5 for the present invention embedded active matrix organic light-emitting diode contact panel in one embodiment above and below
The XY axle arrangement mode schematic diagrames of electrode layer.
Fig. 6 for the present invention embedded active matrix organic light-emitting diode contact panel in another embodiment on
The XY axle arrangement mode schematic diagrames of bottom electrode.
Embodiment
In order to be more clearly understood that the technology contents of the present invention, described in detail especially exemplified by following examples.
Refer to shown in Fig. 3, be that the structure of the embedded active matrix organic light-emitting diode contact panel of the present invention is shown
It is intended to.
In one embodiment, the embedded active matrix organic light-emitting diode contact panel has substrate, is located at
TFT backplate on the substrate and the OLED panel on described TFT backplate, the OLED panel include lower electrode layer, upper electricity
Pole layer and the oled layer between the lower electrode layer and the upper electrode layer.As shown in Figures 3 and 4, the embedded active square
Battle array touch control panel of organic luminous diode also includes lower touch sensing layer and upper touch sensing layer, the lower touch sensing
The lower touch sensing that layer is included in lower touch sensing array, the lower touch sensing array is patterned in the bottom electrode
Among the lower clearance channel formed in layer between each bottom electrode, the upper touch sensing layer includes upper touch sensing battle array
Upper touch sensing in row, the upper touch sensing array is patterned in the upper electrode layer institute between each Top electrode
Among the upper clearance channel formed；The lower touch sensing array arrangement direction and the upper touch sensing array arrangement side
To vertical, the lower touch sensing array and the upper touch sensing array composition are touched to sense the mutual tolerance of touch signal
Sensing unit is touched, and, the lower touch sensing array and the upper equal circuit of touch sensing array are connected to touching signals
Circuit.The touching signals circuit is arranged at the TFT backplate.In a preferred embodiment, the lower electrode layer is OLED
Plate anode layer, the upper electrode layer is OLED panel cathode layer.
In preferred embodiment, the lower clearance channel formed in the lower electrode layer between each bottom electrode is
First direction, the lower touch sensing array is the scanning signal sensor array of the lower clearance channel located at first direction；
The upper clearance channel formed in the upper electrode layer between each Top electrode is the second direction vertical with the first direction,
The upper touch sensing array is the drive signal sensor array of the upper clearance channel located at second direction.
Or, the lower clearance channel formed in the lower electrode layer between each bottom electrode is second direction, described
Lower touch sensing array is the drive signal sensor array of the lower clearance channel located at second direction；In the upper electrode layer
The upper clearance channel formed between each Top electrode is the first direction vertical with the second direction, the upper touch-control sensing
Device array is the scanning signal sensor array of the upper clearance channel located at first direction.
In an application of the invention, embedded active matrix organic light-emitting diode contact panel of the invention, it is designed
Pattern is the projecting type capacitor touch-control mechanism being incorporated into touch sensor in TFT processing procedures.Produced using original TFT processing procedures
The signal scanning of XY axial directions can be carried out, so as to reach the function of touch sensor.It is possible thereby to successfully reduce cost, raising is worn
Spend and reduce thoroughly the generation of rainbow line phenomenon.
During specific manufacture, first OLED anode is patterned, the scanning signal of X (or Y) axial directions is fabricated to；Again will
OLED negative electrode carries out the drive signal that patterning is fabricated to Y (or X) axial directions, so as to form embedded touch sensible.
As it can be seen in figures 5 and 6, the practice of actual design figure is that the vacant Position Design of anode is gone out into scanning signal, and will
Originally the cathode pattern of whole face covering dissolves the drive signal of correlation, anodic scan signal and the negative electrode driving for the arrangement that intersects
The touch-control scan mechanism of signal formation mutual tolerance (mutual capacitance) formula is used as touch sensing element.
Specific anode and negative electrode arrangement can be using either method as shown in Figure 5 or Figure 6, according to the pattern of double-decker
Arranged in the mode that XY is shaft staggered.Electrode exterior surrounding has wire that the electrode of XY axial directions is electrically connected into control circuit respectively
In induction channels.In actual use, when not any conductive body is close, one is had between each touch control electrode
Fixed coupled capacitor, now the Electric Field Distribution between electrode and electrode is fixed, and control circuit will be through each sensing
Passage is recorded the online electrode capacitance value of every XY axle.When human finger touch panel, originally stationary distribution is each
Electric field on electrode can be because some electrical power line is connected to finger skin and produces change, so as to form one newly in contact point
Electric capacity, and then change the total capacitance value of contact point, control end senses the change of capacitance, with set feeler, realizes touch-control work(
Energy.
The embedded active matrix organic light-emitting diode contact panel of the invention is employed, due to including for its OLED panel
Lower touch sensing layer and upper touch sensing layer, the lower touch sensing layer include lower touch sensing array, it is described under
Lower touch sensing in touch sensing array is patterned in the lower electrode layer to be formed down between each bottom electrode
Among clearance channel, the upper touch sensing layer is included in upper touch sensing array, the upper touch sensing array
Upper touch sensing is patterned among the upper clearance channel formed in the upper electrode layer between each Top electrode；Under described
Touch sensing array arrangement direction is vertical with the upper touch sensing array arrangement direction, the lower touch sensing array
The mutual tolerance touch sensing unit to sense touch signal is constituted with the upper touch sensing array.So as to which touch-control is believed
Number sensing element and OLED panel integrate, form embedded (In-Cell Touch) contact panel, be that the embedded of the present invention has
Source matrix touch control panel of organic luminous diode is not only simple in structure, and thickness is thinner, and cost is lower, it is adaptable to more compact
Electronic product, and can effectively improve panel penetration, reduce the generation of rainbow line phenomenon, the use body of user is substantially improved
Test.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative
And it is nonrestrictive.
Claims (5)
1. a kind of embedded active matrix organic light-emitting diode contact panel, including：
Substrate；
TFT backplate, on the substrate；
OLED panel, on described TFT backplate, including lower electrode layer, upper electrode layer and the lower electrode layer and described
Oled layer between upper electrode layer；
Characterized in that,
Also include lower touch sensing layer and upper touch sensing layer, the lower touch sensing layer includes lower touch sensing battle array
Lower touch sensing in row, the lower touch sensing array is patterned in the lower electrode layer institute between each bottom electrode
Among the lower clearance channel formed, the upper touch sensing layer includes upper touch sensing array, the upper touch sensing
Upper touch sensing in array be patterned in the upper clearance channel that is formed in the upper electrode layer between each Top electrode it
In；The lower touch sensing array arrangement direction is vertical with the upper touch sensing array arrangement direction, the lower touch-control
Sensor array and the upper touch sensing array constitute the mutual tolerance touch sensing unit to sense touch signal, and, institute
State lower touch sensing array and the upper equal circuit of touch sensing array is connected to touching signals circuit.
2. embedded active matrix organic light-emitting diode contact panel according to claim 1, it is characterised in that described
Lower electrode layer is OLED panel anode layer, and the upper electrode layer is OLED panel cathode layer.
3. embedded active matrix organic light-emitting diode contact panel according to claim 2, it is characterised in that
The lower clearance channel formed in the lower electrode layer between each bottom electrode is first direction, the lower touch sensing
Array is the scanning signal sensor array of the lower clearance channel located at first direction；In the upper electrode layer each Top electrode it
Between the upper clearance channel that is formed be the second direction vertical with the first direction, the upper touch sensing array be located at
The drive signal sensor array of the upper clearance channel of second direction.
4. embedded active matrix organic light-emitting diode contact panel according to claim 2, it is characterised in that
The lower clearance channel formed in the lower electrode layer between each bottom electrode is second direction, the lower touch sensing
Array is the drive signal sensor array of the lower clearance channel located at second direction；In the upper electrode layer each Top electrode it
Between the upper clearance channel that is formed be the first direction vertical with the second direction, the upper touch sensing array be located at
The scanning signal sensor array of the upper clearance channel of first direction.
5. embedded active matrix organic light-emitting diode contact panel according to any one of claim 1 to 4, it is special
Levy and be, the touching signals circuit is arranged at the TFT backplate.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228741.5A CN103984442B (en) | 2014-05-27 | 2014-05-27 | Embedded active matrix organic light-emitting diode contact panel |
| TW103124368A TWI522867B (en) | 2014-05-27 | 2014-07-16 | In-cell organic light emitting diode touch panel |
| JP2014146228A JP2015225649A (en) | 2014-05-27 | 2014-07-16 | Touch control panel of embedded type active matrix organic light-emitting diode |
| KR1020140096367A KR101617140B1 (en) | 2014-05-27 | 2014-07-29 | In-cell amoled touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228741.5A CN103984442B (en) | 2014-05-27 | 2014-05-27 | Embedded active matrix organic light-emitting diode contact panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103984442A CN103984442A (en) | 2014-08-13 |
| CN103984442B true CN103984442B (en) | 2017-10-31 |
Family
ID=51276447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410228741.5A Active CN103984442B (en) | 2014-05-27 | 2014-05-27 | Embedded active matrix organic light-emitting diode contact panel |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2015225649A (en) |
| KR (1) | KR101617140B1 (en) |
| CN (1) | CN103984442B (en) |
| TW (1) | TWI522867B (en) |
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| CN110244883B (en) * | 2015-02-05 | 2023-01-10 | 宸鸿光电科技股份有限公司 | Touch method of organic light emitting diode touch display panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201545014A (en) | 2015-12-01 |
| JP2015225649A (en) | 2015-12-14 |
| KR101617140B1 (en) | 2016-05-02 |
| TWI522867B (en) | 2016-02-21 |
| CN103984442A (en) | 2014-08-13 |
| KR20150136566A (en) | 2015-12-07 |
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