CN106449712B - Organic light-emitting display panel and organic light-emitting display device - Google Patents
Organic light-emitting display panel and organic light-emitting display device Download PDFInfo
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- CN106449712B CN106449712B CN201610976972.3A CN201610976972A CN106449712B CN 106449712 B CN106449712 B CN 106449712B CN 201610976972 A CN201610976972 A CN 201610976972A CN 106449712 B CN106449712 B CN 106449712B
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses an organic light emitting display panel, comprising: a substrate; a driving element layer disposed on the substrate; an organic light emitting display element disposed on the driving element layer; a thin film encapsulation layer disposed on the substrate and covering the organic light emitting display element, wherein the thin film encapsulation layer includes: the organic thin film layer and the inorganic thin film layer are sequentially stacked on the substrate; and the touch driving electrode layer and the touch detection electrode layer are respectively arranged on two sides of at least one inorganic thin film layer. The organic light-emitting display panel can realize lightness and thinness, improve the flexibility and transmittance, and reduce the manufacturing cost of the organic light-emitting display panel.
Description
Technical field
The present invention relates to field of display technology, in particular to a kind of organic light emitting display panel and have the organic light emission
The organic light-emitting display device of display panel.
Background technique
Compared with many display panels, organic light emitting display panel has actively luminous, high contrast, no angle limit etc.
Its plurality of advantages.Organic light emitting display panel is not only more frivolous in volume, also below original device in power consumption, helps to mention
The cruising ability of equipment is risen, therefore, organic light emitting display panel has been widely used in field of display technology, will become from now on
The mainstream of display consumption.And with the development of human-computer interaction technology, touch technology is increasingly used for various displays
On.
Currently, realizing that the mode of touch function is usually that the additional touch control layer that increases (is somebody's turn to do in organic light emitting display panel
Touch control layer generally comprises touch-driven electrode layer and touch detection electrodes layer), however, which can make organic light emitting display panel
Lamination it is more, thicker, when it applies to flexible organic light emitting display panel, bending, the optics of display panel can be reduced
Transmitance, and being additionally formed touch control layer also keeps the cost of manufacture of organic light emitting display panel higher.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of organic light emitting display panel and with this
The organic light-emitting display device of organic light emitting display panel.The organic light emitting display panel can be realized lightening, promotion bending
Property and transmitance, and reduce the processing procedure cost of organic light emitting display panel.
A kind of organic light emitting display panel is provided according to an aspect of the present invention, comprising: substrate；Driving element layer, if
It is placed on the substrate；Organic illuminated display element is set on the driving element layer；Thin-film encapsulation layer is set to described
On substrate, and cover the organic illuminated display element, wherein the thin-film encapsulation layer include: an at least organic thin film layer and
An at least inorganic thin film layer, the organic thin film layer and inorganic thin film layer sequence stacking are set on the substrate；Touch-control
Drive electrode layer and touch detection electrodes layer are respectively arranged at the two sides of at least one inorganic thin film layer.
Optionally, the thin-film encapsulation layer includes: the first organic thin film layer；First inorganic thin film layer is set to described
Side of one organic thin film layer far from the substrate；Wherein, the touch-driven electrode layer is set to first organic film
Between layer and first inorganic thin film layer, the touch detection electrodes layer is set to first inorganic thin film layer far from described
The side of substrate.
Optionally, the thin-film encapsulation layer further includes the second inorganic thin film layer, and second inorganic thin film layer is set to institute
The first organic thin film layer is stated close to the side of the substrate.
Optionally, the thin-film encapsulation layer further includes third inorganic thin film layer, and the third inorganic thin film layer is set to institute
It states between touch-driven electrode layer and first organic thin film layer.
Optionally, the thin-film encapsulation layer further includes the second organic thin film layer, and second organic thin film layer is set to institute
It states between the first inorganic thin film layer and the touch-driven electrode layer.
Optionally, the thin-film encapsulation layer includes: the 4th inorganic thin film layer；4th organic thin film layer is set to described
Side of four inorganic thin film layers far from the substrate；5th inorganic thin film layer is set to the 4th organic thin film layer far from institute
State the side of substrate；Wherein, the touch-driven electrode layer is set to the 4th organic thin film layer and described 4th inorganic thin
Between film layer, the touch detection electrodes layer is set to side of the 5th inorganic thin film layer far from the substrate.
Optionally, the touch-driven electrode layer includes a plurality of touch-control for extending in a first direction and arranging in a second direction
Driving electrodes；The touch detection electrodes layer includes a plurality of in a second direction along extension and touch control detection arranged in the first direction
Electrode.
Optionally, every touch-driven electrode and the touch detection electrodes are in rectangle.
Optionally, the touch-driven electrode layer includes multiple touch-driven electrodes, and the touch detection electrodes layer includes
Multiple touch detection electrodes；The touch-driven electrode and the touch detection electrodes are diamond shape electrode；The multiple touch-control drives
Moving electrode is arranged in a matrix, and multiple touch-driven electrodes are connected with each other in a first direction；The multiple touch control detection electricity
Pole is arranged in a matrix, and multiple touch detection electrodes are connected with each other in a second direction, wherein the first direction perpendicular to
The second direction, the touch-driven electrode and the touch detection electrodes the substrate projection in the plane do not weigh
It is folded.
Optionally, the edge of each touch-control driving electrodes and the touch detection electrodes is zigzag.
Optionally, each touch-driven electrode and the touch detection electrodes include a frame and are set to described
Metal grill in frame.
According to another aspect of the present invention, a kind of organic light-emitting display device, the organic light emitting display dress are also provided
It sets including above-mentioned organic light emitting display panel.
Organic light emitting display panel provided in an embodiment of the present invention utilizes thin in existing organic light emitting display panel
Film encapsulation technology, by the touch-driven electrode layer and touch detection electrodes layer that are used for touch-control it is integrated in thin-film encapsulation layer, and
At least one layer and inorganic thin film layer touch-driven electrode layer and touch detection electrodes layer being respectively arranged in thin-film encapsulation layer
Two sides, so that the inorganic thin film layer is played the role of insulation between touch-driven electrode layer and touch detection electrodes layer, thus
It reduces the thickness (compared with prior art, without independently forming touch control layer) of organic display panel, realize organic light emitting display face
Plate it is lightening, in turn, improve the bending and transmitance of organic light emitting display panel, in addition, reduce processing procedure element and
Also the processing procedure cost of organic light emitting display panel can be effectively reduced after step.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of cross section structure schematic diagram of organic light emitting display panel of the invention；
Fig. 2 is a kind of planar structure schematic diagram of organic light emitting display panel of the invention；
Fig. 3 is the planar structure schematic diagram of another organic light emitting display panel of the invention；
Fig. 4 is that the touch-driven electrode of another organic light emitting display panel of the invention and touch detection electrodes structure are shown
It is intended to；
Fig. 5 is the cross section structure schematic diagram of another organic light emitting display panel of the invention；
Fig. 6 is the cross section structure schematic diagram of another organic light emitting display panel of the invention；
Fig. 7 is the cross section structure schematic diagram of another organic light emitting display panel of the invention；
Fig. 8 is the cross section structure schematic diagram of another organic light emitting display panel of the invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, many details are provided to provide and fully understand to embodiments of the present invention.However,
One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, material
Material etc., can also practice technical solution of the present invention.In some cases, be not shown in detail or describe known features, material or
Person operates to avoid the fuzzy present invention.
Please also refer to Fig. 1, it illustrates a kind of cross section structure schematic diagrams of organic light emitting display panel of the invention.?
In alternative embodiment of the invention, the organic light emitting display panel includes: substrate 1, driving element layer 2, organic light emitting display
Element 3 and thin-film encapsulation layer 5.
In the embodiment shown in fig. 1, substrate 1 can be a flexible base board, can be made of materials such as polyimides.
Driving element layer 2 is set on substrate 1.Wherein, driving element layer 2 can be any in existing display panel
Kind of structure, such as may include multiple thin film transistor, multiple data lines and a plurality of gate line etc., herein not
It gives and repeating.
Organic illuminated display element 3 is set on driving element layer 2.Wherein, organic illuminated display element 3 can be existing
Organic light emitting display panel in any structure, such as may include the anode layer being electrically connected with driving element layer 2, setting
In the organic luminous layer on anode layer and the cathode layer etc. being set on organic luminous layer, it will not be described here.
Thin-film encapsulation layer 5 is set on substrate 1, and covers organic illuminated display element 3.Specifically, thin-film encapsulation layer 5
Including an at least organic thin film layer and an at least inorganic thin film layer.Organic thin film layer and inorganic thin film layer sequence stacking are set to base
On plate.Wherein, organic thin film layer can be made of materials such as acrylic resins, the main work for playing planarization and alleviating stress
With the thickness of organic thin film layer is optionally 0~14 micron；Inorganic thin film layer can be by silicon nitride, aluminium oxide or titanium dioxide
The materials such as titanium are made, and primarily serve the effect of barrier water oxygen, and the thickness of organic thin film layer is optionally 0~1 micron.Thin-film package
Layer 5 further includes touch-driven electrode layer and touch detection electrodes layer, is respectively arranged at the two sides of an at least inorganic thin film layer.Work as touching
When touching organic light emitting display panel, capacitor between touch-driven electrode layer and touch detection electrodes layer due to touch-control generation and
Variation is generated, capacitor (or electric current) information is transmitted to the flexible circuit board of organic light emitting display panel by touch detection electrodes layer,
Capacitor (or voltage/current) information analysis meter that flexible circuit board (or driving circuit) can be transmitted according to touch detection electrodes layer
Calculate the position that touch-control occurs.
Specifically, in the embodiment shown in fig. 1, thin-film encapsulation layer 5 includes: the first organic thin film layer 511, the first nothing
Machine film layer 521, touch-driven electrode layer 53 and touch detection electrodes layer 54.First organic thin film layer 511 is set to organic
(the first organic thin film layer 511 is set to organic illuminated display element 3 in Fig. 1 for side of the illuminated display element 3 far from substrate 1
Top).First inorganic thin film layer 521 is set to side of first organic thin film layer 511 far from substrate 1, and (first is inorganic thin in Fig. 1
Film layer 521 is set to the top of the first inorganic thin film layer 511).Touch-driven electrode layer 53 is set to the first organic thin film layer 511
And first between inorganic thin film layer 521.Touch detection electrodes layer 54 is set to one of the first inorganic thin film layer 521 far from substrate 1
Side (touch detection electrodes layer 54 is set to the top of the first inorganic thin film layer 521 in Fig. 1).
Further, Fig. 2 is referred to, it illustrates a kind of signals of the planar structure of organic light emitting display panel of the invention
Figure.For the structural relation being clearly shown between touch-driven electrode layer and touch detection electrodes layer in Fig. 2, therefore, omit
Organic thin film layer, inorganic thin film layer and organic illuminated display element.Specifically, touch-driven electrode layer 53 includes a plurality of
Along first direction (X-direction in Fig. 2) extend and in a second direction (Y direction in Fig. 2) arrangement touch-driven electrode
531.Wherein, the length for referring to that touch-driven electrode 531 is greater than in a second direction along the length of first direction is extended in a first direction
Degree.In the embodiment shown in Figure 2, every touch-driven electrode 531 is in rectangle.
Touch detection electrodes layer 54 includes that a plurality of (Y direction in Fig. 2) in a second direction extends and along first direction (figure
X-direction in 2) arrangement touch detection electrodes 541.Wherein, extending in a second direction refers to touch detection electrodes 541 along the
The length in two directions is greater than the length along first direction.In the embodiment shown in Figure 2, every touch detection electrodes 541 are in
Rectangle.
In Fig. 1 and embodiment shown in Fig. 2, organic light emitting display panel further includes a flexible circuit board 21.Flexible electrical
Road plate 21 is set on substrate 1, and is located at one end (being the lower end of substrate 1 in Fig. 2) of substrate 1.Multiple touch drive electrodes 531
Flexible circuit board 21 is electrically connected to by metal wire with a plurality of touch detection electrodes 541, by the driving on flexible circuit board 21
Circuit is driven and is detected to touch-driven electrode 531 and touch detection electrodes.
Further, in the embodiment shown in fig. 1, the organic light emitting display panel further includes one first protective layer 61.
First protective layer 61 is set to side (in Fig. 1 be set to the lower surface of substrate 1) of the substrate 1 far from driving element layer 2, and first protects
Sheath 61 can protect the surface of substrate 1, to increase its intensity.
Further, the organic light emitting display panel further includes a barrier layer 4.In the embodiment shown in fig. 1, barrier layer
4 are set to side (in Fig. 1 be set to thin-film encapsulation layer 5 in) of the thin-film encapsulation layer 5 far from substrate 1 by the first glue-line 71, into
The waterproof performance of one step reinforcement organic light emitting display panel.Wherein, the first glue-line 71 can be pressure-sensitive adhesive layer.
Further, the organic light emitting display panel further includes a polaroid 8.In the embodiment shown in fig. 1, polaroid
8 are set to side (in Fig. 1 be set to barrier layer 4 on) of the barrier layer 4 far from substrate 1 by the second glue-line 72.Wherein, the second glue
Layer 72 can be pressure-sensitive adhesive layer.
Further, the organic light emitting display panel further includes one second protective layer 62.In the embodiment shown in fig. 1,
Second protective layer 62 is set to side (in Fig. 1 be set to polaroid 8 on) of the polaroid 8 far from substrate 1 by third glue-line 73.
Wherein, third glue-line 73 can be optical adhesive layer.
As Fig. 1 and Fig. 2 as it can be seen that organic light emitting display panel shown in the present invention utilizes existing organic light emitting display panel
In thin film encapsulation technology, the touch-driven electrode layer of touch-control will be used for and touch detection electrodes layer is integrated and thin-film encapsulation layer
In, and by touch-driven electrode layer and touch detection electrodes layer be respectively arranged in thin-film encapsulation layer at least one layer and it is inorganic
The two sides of film layer make the inorganic thin film layer play the work of insulation between touch-driven electrode layer and touch detection electrodes layer
With to reduce the thickness (compared with prior art, without independently forming touch control layer) of organic display panel, realize organic light emission
Display panel it is lightening, in turn, the bending and transmitance of organic light emitting display panel are improved, in addition, reducing processing procedure
Also the processing procedure cost of organic light emitting display panel can be effectively reduced after element and step.
Fig. 3 is another embodiment of organic light emitting display panel of the invention, refers to Fig. 3, and it illustrates this
The planar structure schematic diagram of another organic light emitting display panel of invention.With above-mentioned organic light emitting display panel shown in Fig. 2
Unlike, in this embodiment, touch-driven electrode and touch detection electrodes are diamond shape electrode.Specifically, in Fig. 3 institute
In the embodiment shown, the touch-driven electrode 531 of multiple diamond shapes is arranged in a matrix, i.e., multiple touch-driven electrodes 531 are in X direction
(i.e. first direction) and Y-direction (i.e. second direction, vertical with X-direction) arrangement, the center of multiple X-directions is respectively in X-direction and Y
One diagonal line of the multiple touch-driven electrodes 531 for being aligned on direction, and being aligned in X direction can be linked to be one and prolong in X direction
The straight line stretched, another diagonal line are parallel to each other along Y-direction；One along multiple touch-driven electrodes 531 of Y-direction alignment is right
Linea angulata can be linked to be the straight line extended along Y-direction, and another diagonal line is parallel to each other in X direction.Multiple touch-driven electrodes
531 are connected with each other on X-direction (i.e. first direction).The touch detection electrodes 541 of multiple diamond shapes be arranged in a matrix (for example, with
The matrix arrangement of multiple touch-driven electrodes 531 is similar), multiple touch detection electrodes 541 in the Y direction (i.e. second direction, vertically
In X-direction) on be connected with each other.
In the present embodiment, touch-driven electrode 531 and 541 mutual insulating of touch detection electrodes are driven by measurement touch-control
Capacitor between moving electrode 531 and touch detection electrodes 541 carries out touch-control sensing.Specifically, touch-driven electrode 531 with
Touch detection electrodes 541 substrate 1 projection in the plane be not overlapped.Each touch-driven electrode 531 and touch detection electrodes
541 optionally, substrate 1 projected area in the plane it is identical.
In the embodiment touch-driven electrode and touch detection electrodes can be used silver, molybdenum, aluminium, titanium, copper or other alloys,
Nanometer conductive material is made up of processing technologys such as nano impression, inkjet printing, yellow lights.Compared to rectangular configuration shown in Fig. 2
For can reduce the area of every touch-driven electrode and touch detection electrodes, reduce and make the touch-driven electrode and touch-control
The metal of detecting electrode, and then resistance can be reduced, reduce parasitic capacitance, further promote touch-control performance.
Fig. 4 is another embodiment of organic light emitting display panel of the invention, refers to Fig. 4, and it illustrates this
The touch-driven electrode and touch detection electrodes structural schematic diagram of another organic light emitting display panel of invention.In this embodiment
In, touch-driven electrode 531 ' and touch detection electrodes 541 ' they are still diamond shape electrode.With above-mentioned organic light emission shown in Fig. 3
Unlike display panel, in this embodiment, the edge of each touch-control driving electrodes 531 ' and touch detection electrodes 541 '
For zigzag.In the embodiment shown in fig. 4, the jagged edge and touch detection electrodes 541 ' of touch-control driving electrodes 531 '
Jagged edge intermeshing.I.e. the protrusion of the jagged edge of touch-control driving electrodes 531 ' is located at touch detection electrodes
In the recess portion of 541 ' jagged edge, and the protrusion of the jagged edge of touch detection electrodes 541 ' is located at touch-control driving electricity
In the recess portion of the jagged edge of pole 531 '.
Further, each touch-driven electrode and touch detection electrodes include a frame and the gold that is set in frame
Belong to grid.Specifically, in the embodiment shown in fig. 4, touch-driven electrode 531 ' includes a side with jagged edge
Frame 5311 ' and the metal grill 5312 ' being set in frame 5311 '.Similarly, touch detection electrodes 541 ' have including one
The frame 5411 ' of jagged edge and the metal grill 5412 ' being set in frame 5411 '.In this embodiment, due to touching
Control driving electrodes and touch detection electrodes have used metal grill, compared to touch-driven electrode and touch control detection shown in Fig. 3
For the structure of electrode, the area of every touch-driven electrode and touch detection electrodes is further reduced, reduces to make and be somebody's turn to do
The metal of touch-driven electrode and touch detection electrodes, and then resistance can be reduced, reduce parasitic capacitance, further promote touch-control
Performance.
Fig. 5 is another embodiment of organic light emitting display panel of the invention, refers to Fig. 5, and it illustrates this
The cross section structure schematic diagram of another organic light emitting display panel of invention.With above-mentioned organic light emitting display panel shown in FIG. 1
Unlike, in this embodiment, thin-film encapsulation layer further includes the second inorganic thin film layer 522.Specifically, as shown in figure 5,
It (is the first organic thin film layer in Fig. 1 that two inorganic thin film layers 522, which are set to the first organic thin film layer 511 close to the side of substrate 1,
511 lower section), i.e., the first organic thin film layer 511 is between the second inorganic thin film layer 522 and the first inorganic thin film layer 521.Its
In, touch-driven electrode layer 53 is set between the first organic thin film layer 511 and the first inorganic thin film layer 521.Touch control detection electricity
Pole layer 54 is set to side of first inorganic thin film layer 521 far from substrate 1, and (touch detection electrodes layer 54 is set to first in Fig. 5
The top of inorganic thin film layer 521).
In this embodiment, due to increasing the second nothing between the first organic thin film layer 511 and organic illuminated display element 3
Machine film layer 522, therefore, can state in realization organic light emitting display panel shown in FIG. 1 it is lightening, improve bending and thoroughly
While crossing rate and other effects, the barrier water oxygen performance of organic light emitting display panel is further strengthened.
Fig. 6 is another embodiment of organic light emitting display panel of the invention, refers to Fig. 6, and it illustrates this
The cross section structure schematic diagram of another organic light emitting display panel of invention.With above-mentioned organic light emitting display panel shown in FIG. 1
Unlike, in this embodiment, thin-film encapsulation layer further includes third inorganic thin film layer 523.Specifically, as shown in fig. 6,
Three inorganic thin film layers 523 are set between touch-driven electrode layer 53 and the first organic thin film layer 511.It is i.e. real compared to shown in Fig. 5
It applies for example, by the position in Fig. 5 between the second inorganic thin film layer 522 and the first organic thin film layer 511 in embodiment shown in fig. 6
It sets and is exchanged, in turn, in Fig. 3 embodiment, third inorganic thin film layer 523 is located at the top of the first organic thin film layer 511,
Thin-film encapsulation layer 5 successively includes the first organic thin film layer 511, third inorganic thin film layer 523, touch-driven electrode layer from the bottom to top
53, the first inorganic thin film layer 521 and touch detection electrodes layer 54.The embodiment may be implemented and implementation of class shown in above-mentioned Fig. 5
As reinforce barrier water oxygen performance effect, it will not be described here.
Fig. 7 is another embodiment of organic light emitting display panel of the invention, refers to Fig. 7, and it illustrates this
The cross section structure schematic diagram of another organic light emitting display panel of invention.With above-mentioned organic light emitting display panel shown in FIG. 1
Unlike, in this embodiment, thin-film encapsulation layer further includes the second organic thin film layer 512.Specifically, as shown in fig. 7,
Two organic thin film layers 512 are set between the first inorganic thin film layer 521 and touch-driven electrode layer 53.It is i.e. real compared to shown in Fig. 1
It applies for example, increases one in embodiment shown in Fig. 7 between touch-driven electrode layer 53 and touch detection electrodes layer 54
Two organic thin film layers 512.
It should be noted that, although in this embodiment, the first inorganic thin film layer 521 is located at the second organic thin film layer 512
Top, but in other embodiments of the invention, between touch-driven electrode layer 53 and touch detection electrodes layer 54, the first nothing
It can be interchanged when the position of machine film layer 521 and the second organic thin film layer 512, it will not be described here.
Further, in this embodiment, due to increasing one between touch-driven electrode layer and touch detection electrodes layer
Layer organic thin film layer, organic thin film layer are thicker compared to thickness for inorganic thin film layer, it is thereby possible to reduce touch-driven electrode layer
Capacitor between touch detection electrodes layer, and then reduce the basis signal value of touch-control, be conducive to promote touch-control performance.In addition,
The way of example for increasing by an organic thin film layer between the touch-driven electrode layer and touch detection electrodes layer is equally applicable
In above-mentioned Fig. 5 and embodiment shown in fig. 6, to play similar effect, it will not be described here.
Further, it should be noted that in above-mentioned Fig. 1 into embodiment shown in Fig. 7, due to touch-driven electrode layer
An organic thin film layer (i.e. first organic thin film layer 511 of the Fig. 1 into Fig. 7) is provided between organic illuminated display element,
Organic thin film layer is thicker compared to thickness for inorganic thin film layer, therefore, can make the touch-driven electrode on touch-driven electrode layer
The distance between cathode layer of organic illuminated display element farther out, thus, advantageously reduce load.However in the implementation of invention
Example is not limited to this.It in other embodiments of the invention, can also between touch-driven electrode layer and organic illuminated display element
To be alternately provided with only an inorganic thin film layer.
Specifically, Fig. 8 is referred to, Fig. 8 is another embodiment of organic light emitting display panel of the invention,
Show the cross section structure schematic diagram of another organic light emitting display panel of the invention.As shown in figure 8, in this embodiment,
Thin-film encapsulation layer includes the 4th inorganic thin film layer 524, the 4th organic thin film layer 514 and the 5th inorganic thin film layer 525.
Wherein, the 4th organic thin film layer 514 is set to side of the 4th inorganic thin film layer 524 far from substrate 1 (in Fig. 8
Four organic thin film layers 514 are set to the top of the 4th inorganic thin film layer 524).It is organic that 5th inorganic thin film layer 525 is set to the 4th
(the 5th inorganic thin film layer 525 is set to the upper of the 4th organic thin film layer 514 in Fig. 8 for side of the film layer 514 far from substrate 1
Side).Further, touch-driven electrode layer 53 is set between the 4th organic thin film layer 514 and the 4th inorganic thin film layer 524.
Touch detection electrodes layer 54 is set to side (in Fig. 8 touch detection electrodes layer 54 of the 5th inorganic thin film layer 525 far from 1 substrate
It is set to the top of the 5th inorganic thin film layer 525).
In turn, the embodiment is compared to above-mentioned same Fig. 5 or Fig. 6 using two layers of inorganic thin film layer and one layer of organic thin film layer
Shown in for embodiment, under conditions of the thin-film encapsulation layer of organic light emitting display panel has same thickness, although reducing
The distance between touch-driven electrode layer and organic illuminated display element, but increase touch-driven electrode layer and touch control detection
Distance between electrode layer, and then can reduce the capacitor between touch-driven electrode layer and touch detection electrodes layer, reduce touch-control
Basis signal value, be conducive to promoted touch-control performance.
Further, the present invention also provides a kind of organic light-emitting display device, which includes such as Fig. 1
To organic light emitting display panel shown in Fig. 8.Since the organic light-emitting display device has above-mentioned organic light emitting display panel,
And the thickness of above-mentioned organic display panel is thinned, bending and transmitance is promoted and processing procedure cost can reduce.Cause
This can be supplied to the effect of organic light-emitting display device correspondingly, and it will not be described here.
In addition, disclosing technical effect of the invention to become apparent from, come below with several comparative examples and comparison of the invention
It is further described:
Comparative example 1: display panel includes substrate, the display layer being set on substrate, is set to display layer away from substrate one
The encapsulated layer of side deviates from the rotatory polarization piece of display layer side with encapsulated layer is set to, and touch control layer is located at rotatory polarization piece away from encapsulated layer
Side, and touch control layer have independent touch-control substrate film layer；
Comparative example 2: display panel includes substrate, the display layer being set on substrate, is set to display layer away from substrate one
The encapsulated layer of side and be set to the rotatory polarization piece that encapsulated layer deviates from display layer side, touch control layer be located at rotatory polarization piece and encapsulated layer it
Between, and touch control layer has independent touch-control substrate film layer；
Comparative example 3: display panel includes substrate, the display layer being set on substrate, is set to display layer away from substrate one
The encapsulated layer of side deviates from the rotatory polarization piece of display layer side with encapsulated layer is set to, and touch control layer is integrated in display layer.
The specific structure of above-mentioned touch control layer is similar with structure shown in the embodiment of the present invention, that is, includes touch-driven electrode
Layer and touch detection electrodes layer etc..
Organic light emitting display panel of the invention is embodied in the following table 1 to exist in practical processing procedure and use with comparative example 1~3
Bending performance, portable performance, technology difficulty, production cost and maintenance cost several respects Contrast on effect:
1 display panel Contrast on effect table of table
| Bending performance | Portable performance | Technology difficulty | Production cost | Maintenance cost | |
| The present invention | It is very good | Preferably | Preferably | Preferably | Preferably |
| Comparative example 1 | Difference | Difference | Generally | It is poor | It is poor |
| Comparative example 2 | Difference | Difference | Generally | It is poor | It is poor |
| Comparative example 3 | Preferably | Preferably | Difference | Difference | Difference |
Wherein, technical effect is successively successively decreased by very good, preferable, general, poor, poor.
In conclusion organic light emitting display panel provided in an embodiment of the present invention utilizes existing organic light emitting display panel
In thin film encapsulation technology, the touch-driven electrode layer of touch-control will be used for and touch detection electrodes layer is integrated and thin-film encapsulation layer
In, and by touch-driven electrode layer and touch detection electrodes layer be respectively arranged in thin-film encapsulation layer at least one layer and it is inorganic
The two sides of film layer make the inorganic thin film layer play the work of insulation between touch-driven electrode layer and touch detection electrodes layer
With to reduce the thickness (compared with prior art, without independently forming touch control layer) of organic display panel, realize organic light emission
Display panel it is lightening, in turn, the bending and transmitance of organic light emitting display panel are improved, in addition, reducing processing procedure
Also the processing procedure cost of organic light emitting display panel can be effectively reduced after element and step.
Although the present invention is disclosed as above with alternative embodiment, it is not intended to limit the invention.Belonging to the present invention
Those skilled in the art, without departing from the spirit and scope of the present invention, when various change and modification can be made.Therefore,
Protection scope of the present invention is subject to the range defined depending on claims.
Claims (12)
1. a kind of organic light emitting display panel characterized by comprising
Substrate；
Driving element layer is set on the substrate；
Organic illuminated display element is set on the driving element layer；
Thin-film encapsulation layer is set on the substrate, and covers the organic illuminated display element, wherein the thin-film package
Layer include:
An at least organic thin film layer and at least an inorganic thin film layer, the organic thin film layer and inorganic thin film layer sequence are laminated
It is set on the substrate；
Touch-driven electrode layer and touch detection electrodes layer are respectively arranged at the two sides of at least one inorganic thin film layer.
2. organic light emitting display panel as described in claim 1, which is characterized in that the thin-film encapsulation layer includes:
First organic thin film layer；
First inorganic thin film layer is set to the side of first organic thin film layer far from the substrate；
Wherein, the touch-driven electrode layer is set between first organic thin film layer and first inorganic thin film layer,
The touch detection electrodes layer is set to the side of first inorganic thin film layer far from the substrate.
3. organic light emitting display panel as claimed in claim 2, which is characterized in that the thin-film encapsulation layer further includes the second nothing
Machine film layer, second inorganic thin film layer are set to first organic thin film layer close to the side of the substrate.
4. organic light emitting display panel as claimed in claim 2, which is characterized in that the thin-film encapsulation layer further include third without
Machine film layer, the third inorganic thin film layer are set between the touch-driven electrode layer and first organic thin film layer.
5. the organic light emitting display panel as described in any one of claim 2 to 4, which is characterized in that the thin-film encapsulation layer
It further include the second organic thin film layer, second organic thin film layer is set to first inorganic thin film layer and touch-control driving
Between electrode layer.
6. organic light emitting display panel as described in claim 1, which is characterized in that the thin-film encapsulation layer includes:
4th inorganic thin film layer；
4th organic thin film layer is set to side of the 4th inorganic thin film layer far from the substrate；
5th inorganic thin film layer is set to side of the 4th organic thin film layer far from the substrate；
Wherein, the touch-driven electrode layer is set between the 4th organic thin film layer and the 4th inorganic thin film layer,
The touch detection electrodes layer is set to side of the 5th inorganic thin film layer far from the substrate.
7. organic light emitting display panel as described in claim 1, which is characterized in that the touch-driven electrode layer includes multiple
The touch-driven electrode for extending in a first direction and arranging in a second direction；The touch detection electrodes layer includes multiple along second
Direction is along extension and touch detection electrodes arranged in the first direction, and the first direction is perpendicular to the second direction.
8. organic light emitting display panel as claimed in claim 7, which is characterized in that each touch-driven electrode and described
Touch detection electrodes are in rectangle.
9. organic light emitting display panel as described in claim 1, which is characterized in that the touch-driven electrode layer includes multiple
Touch-driven electrode, the touch detection electrodes layer include multiple touch detection electrodes；The touch-driven electrode and the touching
Control detecting electrode is diamond shape electrode；
The multiple touch-driven electrode is arranged in a matrix, and multiple touch-driven electrodes are connected with each other in a first direction；
The multiple touch detection electrodes are arranged in a matrix, and multiple touch detection electrodes are connected with each other in a second direction,
Wherein, the first direction exists perpendicular to the second direction, the touch-driven electrode and the touch detection electrodes
The substrate projection in the plane be not overlapped.
10. organic light emitting display panel as claimed in claim 9, which is characterized in that each touch-driven electrode and institute
The edge for stating touch detection electrodes is zigzag.
11. organic light emitting display panel as claimed in claim 9, which is characterized in that each touch-driven electrode and institute
State the metal grill that touch detection electrodes include a frame and are set in the frame.
12. a kind of organic light-emitting display device, which is characterized in that the organic light-emitting display device include as claim 1 to
Organic light emitting display panel described in any one of 11.
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