CN109888122A - OLED display panel and flexible display device - Google Patents
OLED display panel and flexible display device Download PDFInfo
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- CN109888122A CN109888122A CN201910111747.7A CN201910111747A CN109888122A CN 109888122 A CN109888122 A CN 109888122A CN 201910111747 A CN201910111747 A CN 201910111747A CN 109888122 A CN109888122 A CN 109888122A
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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Abstract
本发明提供一种OLED显示面板和柔性显示装置，所述OLED显示面板包括驱动电路层、有机发光层，所述有机发光层包括：底电极层；有机功能层，形成于所述底电极层上；顶电极层，形成于所述有机功能层上；辅助导电层，设置在所述顶电极层远离所述有机功能层的方向上，用于辅助所述顶电极层导电。通过在顶电极层上设置辅助导电层，改善了顶电极层的导电性效果，降低了电源压降现象，提高了面板亮度的均一性。
The present invention provides an OLED display panel and a flexible display device. The OLED display panel includes a driving circuit layer and an organic light-emitting layer. The organic light-emitting layer includes: a bottom electrode layer; and an organic functional layer formed on the bottom electrode layer. ; a top electrode layer, formed on the organic functional layer; an auxiliary conductive layer, arranged in the direction of the top electrode layer away from the organic functional layer, for assisting the top electrode layer to conduct electricity. By arranging the auxiliary conductive layer on the top electrode layer, the conductivity effect of the top electrode layer is improved, the phenomenon of power supply voltage drop is reduced, and the uniformity of the panel brightness is improved.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of OLED display panel and flexible display apparatus.
Background technique
In the OLED device of existing emission structure at top, top electrode generallys use TCO (Transparent
Conductive oxide, transparent conductive oxide) film, since the impedance of TCO thin film is higher, there are biggish IR-drop
(power voltage-drop) causes brightness homogeneity in product face to be deteriorated.
Therefore, existing OLED display device existing defects, need to improve.
Summary of the invention
The present invention provides a kind of OLED display panel and flexible display apparatus, and electricity is pushed up in existing OLED display panel to alleviate
The not high technical problem of pole layer electric conductivity.
To solve the above problems, technical solution provided by the invention is as follows:
The present invention provides a kind of OLED display panel, including drive circuit layer, organic luminous layer, the organic luminous layer packet
It includes:
Bottom electrode layer；
Organic function layer is formed on the bottom electrode layer；
Top electrode layer is formed on the organic function layer；
Auxiliary conductive layer is arranged on direction of the top electrode layer far from the organic function layer, described for assisting
Top electrode layer is conductive.
In OLED display panel of the invention, the auxiliary conductive layer is electrically connected with the top electrode layer.
In OLED display panel of the invention, the OLED display panel further includes transparent substrate, the transparent substrate
It is fitted in the top electrode layer, the auxiliary conductive layer is formed in the transparent substrate.
In OLED display panel of the invention, the auxiliary conductive layer is arranged on the surface of the top electrode layer.
In OLED display panel of the invention, the OLED display panel further includes transparent substrate, the additional conductive
Layer is formed in the transparent substrate, and the auxiliary conductive layer is bonded with the top electrode layer.
In OLED display panel of the invention, the auxiliary conductive layer and the top electrode layer are in viewing area or non-display
At least one region electrical connection in area.
In OLED display panel of the invention, the OLED display panel includes the first connection terminal and second connection end
Son, first connection terminal are connect with the top electrode layer, and second connection end is connect with the auxiliary conductive layer.
In OLED display panel of the invention, the OLED display panel includes passivation layer, the passivation layer formation in
In the top electrode layer, the auxiliary conductive layer is arranged on the passivation layer.
In OLED display panel of the invention, the OLED display panel further includes transparent substrate, the transparent substrate
It is fitted on the passivation layer, the auxiliary conductive layer is formed in the transparent substrate.
The present invention also provides a kind of flexible display apparatus, including OLED display panel, the OLED display panel includes driving
Dynamic circuit layer, organic luminous layer, the organic luminous layer include:
Bottom electrode layer；
Organic function layer is formed on the bottom electrode layer；
Top electrode layer is formed on the organic function layer；
Auxiliary conductive layer is arranged on direction of the top electrode layer far from the organic function layer, described for assisting
Top electrode layer is conductive.
The invention has the benefit that the present invention provides a kind of OLED display panel and flexible display apparatus, the OLED
Display panel includes drive circuit layer, organic luminous layer, and the organic luminous layer includes: bottom electrode layer；Organic function layer is formed
In on the bottom electrode layer；Top electrode layer is formed on the organic function layer；Auxiliary conductive layer is arranged in the top electrode
On the direction of the separate organic function layer of layer, for assisting the top electrode layer conductive.It is auxiliary by being arranged in top electrode layer
Assistant director of a film or play's electric layer improves the electric conductivity effect of top electrode layer, reduces power voltage-drop phenomenon, improves the uniform of panel luminance
Property.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the first structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 2 is second of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 3 is the third structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 4 is the 4th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 5 is the 5th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 6 is the 6th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 7 is the 7th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 8 is the 8th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Fig. 9 is the 9th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Figure 10 is the tenth kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Figure 11 is a kind of the tenth structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Figure 12 is the 12nd kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention；
Figure 13 is the 13rd kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The present invention provides a kind of OLED display panel and flexible display apparatus, and electricity is pushed up in existing OLED display panel to alleviate
The not high technical problem of pole layer electric conductivity.
As shown in Figure 1, being the first structural schematic diagram of OLED display panel provided in an embodiment of the present invention.OLED is shown
Panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes bottom electrode layer 21, has
Machine functional layer 22, top electrode layer 23, auxiliary conductive layer 24 and transparent substrate 25.
OLED display panel in embodiments of the present invention is emission structure at top, and bottom electrode layer 21 is anode layer.
Organic function layer 22 is formed on bottom electrode layer 21, including hole injection layer, hole transmission layer, luminescent layer, electronics
Transport layer and electron injecting layer.
Top electrode layer 23 is formed on organic function layer 22, is transparent cathode, in one embodiment, top electrode layer 23
For TCO (Transparent conductive oxide) film.
In one embodiment, hole injection layer receives the hole of anode layer transmission, and hole is via hole transport layer transports
To luminescent layer, electron injecting layer receives the electronics of cathode layer transmission, and electronics is transmitted to luminescent layer via electron transfer layer, hole and
Electronics generates exciton after luminescent layer position combines, and exciton transits to ground state by excitation state and releases energy and shine.
Auxiliary conductive layer 24 is arranged on direction of the top electrode layer 23 far from organic function layer 22, for assisting top electrode layer
23 is conductive.
Auxiliary conductive layer 24 is transparent and low impedance material, and in one embodiment, auxiliary conductive layer 24 is received by metal
At least one of rice noodles, graphene, carbon nanotube, NANO CRYSTAL COPPER WIRE are constituted, and top electricity is pressed together on by the way of mechanical or vacuum
On pole layer 23, postorder packaging technology is carried out again later, since auxiliary conductive layer 24 is pressure bonded to again after the completion of being first prepared separately
It in OLED display panel, rather than is directly prepared in OLED display panel, therefore compatible with existing production technology, and will not be because
Preparation process and influence panel performance.
Due to auxiliary conductive layer 24 be transparent material and impedance it is low, with top electrode layer 23 jointly setting can guarantee penetrate
Under the premise of rate is constant, the phenomenon that increasing the electric conductivity of top electrode layer, therefore IR-drop can be alleviated significantly, OLED is improved
The brightness homogeneity of display panel.
It is not separately formed in the preparation process of auxiliary conductive layer 24, first by transparent and low impedance material, such as gold
Belong to nano wire, graphene, carbon nanotube, NANO CRYSTAL COPPER WIRE etc., prepare in transparent substrate 25, then by the two be used together it is mechanical or
The mode of vacuum is pressed together in top electrode layer 23.
In one embodiment, transparent substrate 25 is fitted in top electrode layer 23, and auxiliary conductive layer 24 is formed in transparent base
On material 25.Auxiliary conductive layer 24 and at least one area of top electrode layer 23 in the viewing area of OLED display panel or non-display area
Domain electrical connection.
As shown in Fig. 2, being second of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24 and transparent substrate 25.
In one embodiment, auxiliary conductive layer 24 is formed in transparent substrate 25, and auxiliary conductive layer 24 is fitted in top electricity
On pole layer 23, auxiliary conductive layer 24 and top electrode layer 23 are at least one of the viewing area of OLED display panel or non-display area
Region electrical connection.
As shown in figure 3, being the third structural schematic diagram of OLED display panel provided in an embodiment of the present invention.Of the invention
OLED display panel is emission structure at top, including drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, organic light emission
Layer 20 includes bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24.
In one embodiment, first auxiliary conductive layer 24 is formed in transparent substrate, then machinery is used together in the two
Or the mode of vacuum is pressed together in top electrode layer 23, and after pressing, transparent substrate is removed, and leaves behind auxiliary conductive layer 24, it is auxiliary
Assistant director of a film or play's electric layer 24 is electrically connected at least one region of top electrode layer 23 in the viewing area of OLED display panel or non-display area.
As shown in figure 4, being the 4th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24, passivation layer 26.
Passivation layer 26 is formed in top electrode layer 23, and conductive via 261 is formed in passivation layer 26, and auxiliary conductive layer 24 is set
It sets on passivation layer 26.
In one embodiment, first auxiliary conductive layer 24 is formed in transparent substrate, then machinery is used together in the two
Or the mode of vacuum is pressed together on passivation layer 26, and after pressing, transparent substrate is removed, and leaves behind auxiliary conductive layer 24, auxiliary
Conductive layer 24 and top electrode layer 23 are at least one region in the viewing area of OLED display panel or non-display area, by leading
Electric via hole 261 is electrically connected.
As shown in figure 5, being the 5th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24, transparent substrate 25, passivation layer 26.
Passivation layer 26 is formed in top electrode layer 23, and passivation layer 26 includes the first passivation portion 2611 and the second passivation portion
2612, conductive via 261 is formed between the first passivation portion 2611 and the second passivation portion 2612, transparent substrate 25 is fitted in passivation
On layer 26, auxiliary conductive layer 24 is formed in transparent substrate 25, and auxiliary conductive layer 24 and top electrode layer 23 are in OLED display panel
Viewing area or non-display area at least one region in, be electrically connected by conductive via 261.
As shown in fig. 6, being the 6th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24 and transparent substrate 25.
Transparent substrate 25 is fitted in top electrode layer 23, and auxiliary conductive layer 24 is formed in transparent substrate 25.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24, and the first connection terminal 41 and second connection end are 42 points sub
The driving chip not being electrically connected on flexible circuit board, driving chip to top electrode layer 23 and auxiliary conductive layer 24 provide voltage and
Top electrode layer 23 and auxiliary conductive layer 24 is connected in electric current, since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit,
Resistance value reduces for structure compared to only 23 1 layers of top electrode layer, therefore improves conductivity.
As shown in fig. 7, being the 7th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24, passivation layer 26.
Passivation layer 26 is formed in top electrode layer 23, and auxiliary conductive layer 24 is arranged on passivation layer 26.
In one embodiment, first auxiliary conductive layer 24 is formed in transparent substrate, then machinery is used together in the two
Or the mode of vacuum is pressed together on passivation layer 26, and after pressing, transparent substrate is removed, and leaves behind auxiliary conductive layer 24.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24, and the first connection terminal 41 and second connection end are 42 points sub
The driving chip not being electrically connected on flexible circuit board, driving chip to top electrode layer 23 and auxiliary conductive layer 24 provide voltage and
Top electrode layer 23 and auxiliary conductive layer 24 is connected in electric current, since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit,
Resistance value reduces for structure compared to only 23 1 layers of top electrode layer, therefore improves conductivity.
As shown in figure 8, being the 8th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24, transparent substrate 25, passivation layer 26.
Passivation layer 26 is formed in top electrode layer 23, and transparent substrate 25 is fitted on passivation layer 26,24 shape of auxiliary conductive layer
At in transparent substrate 25.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24, and the first connection terminal 41 and second connection end are 42 points sub
The driving chip not being electrically connected on flexible circuit board, driving chip to top electrode layer 23 and auxiliary conductive layer 24 provide voltage and
Top electrode layer 23 and auxiliary conductive layer 24 is connected in electric current, since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit,
Resistance value reduces for structure compared to only 23 1 layers of top electrode layer, therefore improves conductivity.
As shown in figure 9, being the 9th kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this implementation
In example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 includes
Bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24 and transparent substrate 25.
Transparent substrate 25 is fitted in top electrode layer 23, and auxiliary conductive layer 24 is formed in transparent substrate 25.Additional conductive
Layer 24 is electrically connected at least one region of top electrode layer 23 in the viewing area of OLED display panel or non-display area.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24.
First connection terminal 41 is respectively electrically connected to the driving chip on flexible circuit board with second connection end 42, drives
Chip provides voltage and current to top electrode layer 23 and auxiliary conductive layer 24, and top electrode layer 23 and auxiliary conductive layer 24 is connected,
Since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit, resistance value for the structure compared to only 23 1 layers of top electrode layer
Reduce, therefore improves conductivity, simultaneously because be electrically connected between auxiliary conductive layer 24 and top electrode layer 23, it is conductive between the two
Effect is more preferable, further improves conductivity.
It as shown in Figure 10, is the tenth kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.In this reality
It applies in example, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, and organic luminous layer 20 wraps
Include bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24 and transparent substrate 25.
In one embodiment, auxiliary conductive layer 24 is formed in transparent substrate 25, and auxiliary conductive layer 24 is fitted in top electricity
On pole layer 23, auxiliary conductive layer 24 and top electrode layer 23 are at least one of the viewing area of OLED display panel or non-display area
Region electrical connection.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24.
First connection terminal 41 is respectively electrically connected to the driving chip on flexible circuit board with second connection end 42, drives
Chip provides voltage and current to top electrode layer 23 and auxiliary conductive layer 24, and top electrode layer 23 and auxiliary conductive layer 24 is connected,
Since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit, resistance value for the structure compared to only 23 1 layers of top electrode layer
Reduce, therefore improves conductivity, simultaneously because be electrically connected between auxiliary conductive layer 24 and top electrode layer 23, it is conductive between the two
Effect is more preferable, further improves conductivity.
It as shown in figure 11, is a kind of the tenth structural schematic diagram of OLED display panel provided in an embodiment of the present invention.This hair
Bright OLED display panel is emission structure at top, including drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30 are organic
Luminescent layer 20 includes bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24.
In one embodiment, first auxiliary conductive layer 24 is formed in transparent substrate, then machinery is used together in the two
Or the mode of vacuum is pressed together in top electrode layer 23, and after pressing, transparent substrate is removed, and leaves behind auxiliary conductive layer 24, it is auxiliary
Assistant director of a film or play's electric layer 24 is electrically connected at least one region of top electrode layer 23 in the viewing area of OLED display panel or non-display area.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24.
First connection terminal 41 is respectively electrically connected to the driving chip on flexible circuit board with second connection end 42, drives
Chip provides voltage and current to top electrode layer 23 and auxiliary conductive layer 24, and top electrode layer 23 and auxiliary conductive layer 24 is connected,
Since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit, resistance value for the structure compared to only 23 1 layers of top electrode layer
Reduce, therefore improves conductivity, simultaneously because be electrically connected between auxiliary conductive layer 24 and top electrode layer 23, it is conductive between the two
Effect is more preferable, further improves conductivity.
It as shown in figure 12, is the 12nd kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.At this
In embodiment, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, organic luminous layer 20
Including bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24, passivation layer 26.
Passivation layer 26 is formed in top electrode layer 23, and conductive via 261 is formed in passivation layer 26, and auxiliary conductive layer 24 is set
It sets on passivation layer 26.
In one embodiment, first auxiliary conductive layer 24 is formed in transparent substrate, then machinery is used together in the two
Or the mode of vacuum is pressed together on passivation layer 26, and after pressing, transparent substrate is removed, and leaves behind auxiliary conductive layer 24, auxiliary
Conductive layer 24 and top electrode layer 23 are at least one region in the viewing area of OLED display panel or non-display area, by leading
Electric via hole 261 is electrically connected.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24.
First connection terminal 41 is respectively electrically connected to the driving chip on flexible circuit board with second connection end 42, drives
Chip provides voltage and current to top electrode layer 23 and auxiliary conductive layer 24, and top electrode layer 23 and auxiliary conductive layer 24 is connected,
Since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit, resistance value for the structure compared to only 23 1 layers of top electrode layer
Reduce, therefore improves conductivity, simultaneously because be electrically connected between auxiliary conductive layer 24 and top electrode layer 23, it is conductive between the two
Effect is more preferable, further improves conductivity.
It as shown in figure 13, is the 13rd kind of structural schematic diagram of OLED display panel provided in an embodiment of the present invention.At this
In embodiment, OLED display panel includes drive circuit layer 10, organic luminous layer 20, color membrane substrates layer 30, organic luminous layer 20
Including bottom electrode layer 21, organic function layer 22, top electrode layer 23, auxiliary conductive layer 24, transparent substrate 25, passivation layer 26.
Passivation layer 26 is formed in top electrode layer 23, and passivation layer 26 includes the first passivation portion 2611 and the second passivation portion
2612, conductive via 261 is formed between the first passivation portion 2611 and the second passivation portion 2612, transparent substrate 25 is fitted in passivation
On layer 26, auxiliary conductive layer 24 is formed in transparent substrate 25, and auxiliary conductive layer 24 and top electrode layer 23 are in OLED display panel
Viewing area or non-display area at least one region in, be electrically connected by conductive via 261.
OLED display panel further includes the first connection terminal 41 and second connection end 42, and the first connection terminal 41 and top are electric
Pole layer 23 connects, and second connection end 42 is connect with auxiliary conductive layer 24.
First connection terminal 41 is respectively electrically connected to the driving chip on flexible circuit board with second connection end 42, drives
Chip provides voltage and current to top electrode layer 23 and auxiliary conductive layer 24, and top electrode layer 23 and auxiliary conductive layer 24 is connected,
Since top electrode layer 23 and auxiliary conductive layer 24 constitute parallel circuit, resistance value for the structure compared to only 23 1 layers of top electrode layer
Reduce, therefore improves conductivity, simultaneously because be electrically connected between auxiliary conductive layer 24 and top electrode layer 23, it is conductive between the two
Effect is more preferable, further improves conductivity.
The present invention also provides a kind of flexible display apparatus, including OLED display panel, the OLED display panel is above-mentioned
OLED display panel described in any embodiment, the OLED display panel include drive circuit layer, organic luminous layer, described to have
Machine luminescent layer includes bottom electrode layer；Organic function layer is formed on the bottom electrode layer；Top electrode layer is formed in described organic
In functional layer；Auxiliary conductive layer is arranged on direction of the top electrode layer far from the organic function layer, described for assisting
Top electrode layer is conductive.
According to above-described embodiment:
It includes driving circuit that the present invention, which provides a kind of OLED display panel and flexible display apparatus, the OLED display panel,
Layer, organic luminous layer, the organic luminous layer includes: bottom electrode layer；Organic function layer is formed on the bottom electrode layer；Top
Electrode layer is formed on the organic function layer；Auxiliary conductive layer is arranged in the top electrode layer far from the organic function layer
Direction on, for assisting the top electrode layer conductive.By the way that auxiliary conductive layer is arranged in top electrode layer, top electrode is improved
The electric conductivity effect of layer, reduces IR-drop (power voltage-drop) phenomenon, improves the homogeneity of panel luminance.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of OLED display panel, which is characterized in that including drive circuit layer, organic luminous layer, the organic luminous layer packet
It includes:
Bottom electrode layer；
Organic function layer is formed on the bottom electrode layer；
Top electrode layer is formed on the organic function layer；
Auxiliary conductive layer is arranged on direction of the top electrode layer far from the organic function layer, for assisting the top electricity
Pole layer is conductive.
2. OLED display panel as described in claim 1, which is characterized in that the auxiliary conductive layer and top electrode layer electricity
Connection.
3. OLED display panel as claimed in claim 2, which is characterized in that the OLED display panel further includes transparent base
Material, the transparent substrate are fitted in the top electrode layer, and the auxiliary conductive layer is formed in the transparent substrate.
4. OLED display panel as claimed in claim 2, which is characterized in that the auxiliary conductive layer is arranged in the top electrode
On the surface of layer.
5. OLED display panel as claimed in claim 4, which is characterized in that the OLED display panel further includes transparent base
Material, the auxiliary conductive layer are formed in the transparent substrate, and the auxiliary conductive layer is bonded with the top electrode layer.
6. such as the described in any item OLED display panels of claim 2 to 5, which is characterized in that the auxiliary conductive layer with it is described
At least one region electrical connection of the top electrode layer in viewing area or non-display area.
7. OLED display panel as described in claim 1, which is characterized in that the OLED display panel includes the first connecting pin
Son and second connection end, first connection terminal connect with the top electrode layer, second connection end with it is described auxiliary
The connection of assistant director of a film or play's electric layer.
8. OLED display panel as claimed in claim 7, which is characterized in that the OLED display panel includes passivation layer, institute
Passivation layer formation is stated in the top electrode layer, the auxiliary conductive layer is arranged on the passivation layer.
9. OLED display panel as claimed in claim 8, which is characterized in that the OLED display panel further includes transparent base
Material, the transparent substrate are fitted on the passivation layer, and the auxiliary conductive layer is formed in the transparent substrate.
10. a kind of flexible display apparatus, including OLED display panel, the OLED display panel includes drive circuit layer, organic
Luminescent layer, the organic luminous layer include:
Bottom electrode layer；
Organic function layer is formed on the bottom electrode layer；
Top electrode layer is formed on the organic function layer；
Auxiliary conductive layer is arranged on direction of the top electrode layer far from the organic function layer, for assisting the top electricity
Pole layer is conductive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111747.7A CN109888122A (en) | 2019-02-12 | 2019-02-12 | OLED display panel and flexible display device |
| PCT/CN2019/079007 WO2020164174A1 (en) | 2019-02-12 | 2019-03-21 | Oled display panel and flexible display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111747.7A CN109888122A (en) | 2019-02-12 | 2019-02-12 | OLED display panel and flexible display device |
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| CN109888122A true CN109888122A (en) | 2019-06-14 |
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| CN201910111747.7A Pending CN109888122A (en) | 2019-02-12 | 2019-02-12 | OLED display panel and flexible display device |
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| WO (1) | WO2020164174A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429202A (en) * | 2019-07-18 | 2019-11-08 | 武汉华星光电半导体显示技术有限公司 | A kind of flexibility OLED display panel, production method and intelligent wearable device |
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| WO2020164174A1 (en) | 2020-08-20 |
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