CN109920928A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109920928A CN109920928A CN201910141896.8A CN201910141896A CN109920928A CN 109920928 A CN109920928 A CN 109920928A CN 201910141896 A CN201910141896 A CN 201910141896A CN 109920928 A CN109920928 A CN 109920928A
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- display panel
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- substrate
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Abstract
It includes: substrate that the application, which provides a kind of display panel and display device, the display panel,；The first anode, the first luminescent layer, common cathode, the second luminescent layer and the second plate being cascading on the substrate；Wherein, the first anode and the second plate are electrically connected, to realize double-sided display.The application is electrically connected by sharing the same cathode, and by the first anode and second plate, is realized double-sided display, can be effectively reduced the thickness of display panel, reduce the cost of manufacture of display panel.
Description
Technical field
This application involves field of display technology, and in particular to a kind of display panel and display device.
Background technique
Currently, display device in the market is mostly based on one side show, in many occasions, such as digital signage,
The advertisement of the public places such as telecommunications equipment, cash register facility, window inquiry facility and exhibition center plays often to be needed in facility
User is wanted to watch the picture of display simultaneously from the tow sides of display device, double-sided display obtains more and more applications.
However, double face display panel in the prior art is really the assembly of two independent display panels, inside
Structure and two separate display panes of driving it is luminous drive system it is complex, not only synchronize that there are one in display
Fixed problem, and the cost of manufacture of double face display panel is also relatively high, and the thickness of product is bigger, and it is light not meet display panel
The trend of thinning.
Summary of the invention
The embodiment of the present application provides a kind of display panel and display device, can be realized double-sided display, and can have
Effect ground reduces the thickness of display panel, reduces the cost of manufacture of display panel.
In a first aspect, this application provides a kind of display panels, comprising:
Substrate；
Be cascading the first anode on the substrate, the first luminescent layer, common cathode, the second luminescent layer and
Second plate；
Wherein, the first anode and the second plate are electrically connected, to realize double-sided display.
In display panel provided herein, conduction is additionally provided between the first anode and the second plate
Separation material, the first anode are electrically connected by the conductive gap object and the second plate.
In display panel provided herein, the conductive gap object includes the first bottom and second being oppositely arranged
Bottom, first bottom are connected with the first anode, and second bottom is connected with the second plate；
Wherein, the distance between first bottom and second bottom are equal to the thickness of first luminescent layer, institute
State the thickness of common cathode and the sum of the thickness of second luminescent layer.
In display panel provided herein, the conductive gap object further include for connect first bottom with
And the first side and the second side of second bottom, and first side is positioned close to the one of the common cathode
The side of the separate common cathode is arranged in side, second side；
Wherein, between first side and the common cathode have a gap so that the conductive gap object with
The common cathode is electrically insulated.
In display panel provided herein, the material of the conductive gap object is conducting polymer, conductive silver glue
Or organic photoresist doped with conductive micro-balloons.
In display panel provided herein, first luminescent layer orthographic projection on the substrate, the public affairs
The orthographic projection of orthographic projection and second luminescent layer on the substrate of common cathode on the substrate is overlapped.
In display panel provided herein, the substrate includes underlay substrate and stacks gradually and be located at the lining
Tft layer, insulating layer and flatness layer on substrate；
Wherein, it is provided with through-hole on the insulating layer and the flatness layer, the first anode extends to described logical
Tft layer described in Kong Bingyu is electrically connected.
In display panel provided herein, the orthographic projection of the first anode on the substrate and described second
The orthographic projection of anode on the substrate is overlapped.
In display panel provided herein, the display panel further includes encapsulated layer, and the encapsulated layer setting exists
On the second plate and the flatness layer, with cover the first anode, first luminescent layer, the common cathode,
Second luminescent layer and the second plate.
Second aspect, the application provide a kind of display device, including display panel provided by the application any embodiment.
Display panel provided by the present application and display device, the display panel include: substrate；It is cascading
The first anode, the first luminescent layer, common cathode, the second luminescent layer and second plate on the substrate；Wherein, described first
Anode and the second plate are electrically connected, to realize double-sided display.Display panel provided by the present application shares the same cathode,
And be electrically connected the first anode and second plate, it realizes double-sided display, the thickness of display panel can be effectively reduced, reduce
The cost of manufacture of display panel.
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 application
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 structural schematic diagram of the first embodiment of display panel provided by the present application；
Fig. 2 is the structural schematic diagram of second of embodiment of display panel provided by the present application；
Fig. 3 is the structural schematic diagram of the third embodiment of display panel provided by the present application；
Fig. 4 is the structural schematic diagram of the 4th kind of embodiment of display panel provided by the present application；
Fig. 5 is the production process schematic diagram of display panel provided by the present application.
Specific embodiment
Presently filed embodiment is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the first embodiment of display panel provided by the present application.
The application provides a kind of display panel 1, including substrate 10, the first anode 201, second plate 202, common cathode
203, the first luminescent layer 301 and the second luminescent layer 302.The first anode 201, the first luminescent layer 301, common cathode 203, second
Luminescent layer 302 and second plate 202 are cascading on the substrate 10, also, the first anode 201 and second plate 202
It is electrically connected, to realize double-sided display.
The substrate 10 can be flexible base board or rigid substrates.Various circuits and/or film can be formed on the substrate 10
Layer structure, depending on actual conditions.The first anode 201 and second plate 202 can be transparent anode, common cathode
203 can be reflective cathode, to realize that bottom shines, to realize double-sided display.
In some embodiments, the orthographic projection on the substrate 10 of the first luminescent layer 301, common cathode 203 are in substrate 10
On orthographic projection and the second luminescent layer 302 orthographic projection on the substrate 10 be overlapped.
In some embodiments, the orthographic projection of the first anode 201 on the substrate 10 and second plate 202 be on the substrate 10
Orthographic projection be overlapped.
In order to enable the first anode 201 and second plate 202 are electrically connected, the first anode 201 and second plate 202 it
Between be additionally provided with conductive gap object 50.The first anode 201 is electrically connected by the conductive gap object 50 and second plate 202.It leads
The material of electric separation material 50 can be conducting polymer, conductive silver glue or organic photoresist doped with conductive micro-balloons.
The conductive gap object 50 includes the first bottom 501 and the second bottom 502 that are oppositely arranged, the first bottom 501 and the
One anode 201 is connected, and the second bottom 502 is connected with second plate 202.Between first bottom 501 and the second bottom 502
Distance D is equal to the sum of the thickness of the first luminescent layer 301, the thickness of common cathode 203 and thickness of the second luminescent layer 302.
In some embodiments, the length D of the first bottom 501 is equal to the length L of the second bottom 502, as shown in Figure 1.
In some embodiments, the length D of the first bottom 501 is greater than the length L of the second bottom 502, as shown in Figure 2.
In some embodiments, the length L of the second bottom 502 is greater than the length D of the first bottom 501, as shown in Figure 3.
It should be noted that the conductive gap object 50 can be not only used for defining the first bottom 501 and the second bottom 502 it
Between distance S, the first anode 201 and second plate 202 can also be connected to, to realize double-side.
In addition, the conductive gap object 50 further includes the first side for connecting the first bottom 501 and the second bottom 502
503 and second side 504.First side 503 is positioned close to the side of common cathode 203, and the second side 504 is arranged far from
The side of common cathode 203.It should be noted that in order to avoid the first anode 201 and second plate 202 and common cathode
203 conductings, lead to the luminous failure of display panel 1.Therefore, there is a gap between the first side 503 and common cathode 203,
So that conductive gap object 50 and public electrode 203 insulate, so that common cathode 203 and the first anode 201 and second
Anode 202 insulate.
Please continue to refer to Fig. 1, substrate 10 may include underlay substrate 101, and be successively set on underlay substrate 101
Tft layer 102, insulating layer 103 and flatness layer 104.Through-hole is provided on insulating layer 103 and flatness layer 104
105, the first anode 201 extends to through-hole 105 and is electrically connected with tft layer 102, to realize double-sided display.
In addition, display panel 1 further includes encapsulated layer 40.The encapsulated layer 40 is arranged in second plate 202 and flatness layer 104
On, to cover the first anode 201, the first luminescent layer 301, common cathode 203, the second luminescent layer 302 and second plate 202.
While realizing double-sided display, effectively reducing the thickness of display panel 1 and reduce the cost of manufacture of display panel 1, also
The water resistant oxygen ability of display panel 1 can be effectively improved.
It should be noted that encapsulated layer 40 can be three layer stacked structures, it may include the first nothing being cascading
Machine layer 401, organic layer 402 and the second inorganic layer 403, as shown in Figure 4.The material of first inorganic layer 401 can be with the second nothing
The material of machine layer 403 is identical.For example, the material of the material of the first inorganic layer 401 and the second inorganic layer 403 can be silicon nitride
Or silicon oxynitride.For another example, the material of the first inorganic layer 401 can be silicon nitride, and the material of the second inorganic layer 403 can be
Silicon oxynitride.It is configured with specific reference to actual conditions.Three layer stacked structures are set by encapsulated layer 40, water oxygen can be increased and entered
The path invaded is realizing double-sided display, effectively reduces the thickness of display panel 1 and is reducing the cost of manufacture of display panel 1
While, additionally it is possible to further increase the water resistant oxygen ability of display panel 1.
Referring to Fig. 5, Fig. 5 is the production process schematic diagram of display panel provided by the present application.It will be explained in detail below aobvious
Show the manufacturing process of panel 1.Firstly, providing a underlay substrate 101, which can be transparent glass substrate.So
Afterwards, tft layer 102, insulating layer 103 and flatness layer 104 are sequentially formed on the underlay substrate 101.Wherein, it insulate
Layer 103 is arranged with 102 same layer of tft layer.Subsequently, the first anode 201 is made on flatness layer 104.Specifically, can
To form the material of a monolith first anode 201 on flatness layer 104, then to the material of this monolith first anode 201 into
Row etching, to form the single first anode 201.
It should be noted that in order to enable the electric signal of tft layer 102 can be transferred to the first anode 201, because
This, can be using etch process to flat after the step of forming flatness layer 104 before the step of making the first anode 201
Smooth layer 104 is etched, to form through-hole 105 on flatness layer 104.Then, the first anode 201 is made on flatness layer 104,
So that the first anode 201 is formed in flatness layer 104, and it is arranged along through-hole 105, so that tft layer 102
Electric signal can be transferred to the first anode 201.Then, conductive gap object 50 is made on the first anode 201.It has made between conduction
After gap object 50, then successively made on the first anode 201 first luminescent layer 301, common cathode 203, the second luminescent layer 302 and
Second plate 202.Finally, forming the covering first anode 201, the first luminescent layer on second plate 202 and flatness layer 104
301, the encapsulated layer 40 of common cathode 203, the second luminescent layer 302 and second plate 202.The specific structure of display panel 1 is asked
Refering to preceding embodiment, details are not described herein.
In this application, the first anode 201 and second plate 202 share common cathode 203, also, the first anode 201 is logical
It crosses conductive gap object 50 and second plate 202 is electrically connected, that is to say, that 202 common film of the first anode 201 and second plate
The electric signal of transistor input.It is thereby achieved that double-side.In addition, since one layer of substrate base is used only in the display panel 1
Plate 101, so the thickness of display panel 1 can not only be effectively reduced, additionally it is possible to reduce the cost of manufacture of production display panel 1.
The application also provides a kind of display device, which includes display panel 1.The specific structure of display panel 1
Preceding embodiment is please referred to, details are not described herein.
Display panel provided by the embodiments of the present application and display device are described in detail above, it is used herein
The principle and implementation of this application are described for specific case, and the above embodiments are only used to help understand
The application.Meanwhile for those skilled in the art, according to the thought of the application, in specific embodiments and applications
There will be changes, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of display panel characterized by comprising
Substrate；
The first anode, the first luminescent layer, common cathode, the second luminescent layer and second being cascading on the substrate
Anode；
Wherein, the first anode and the second plate are electrically connected, to realize double-sided display.
2. display panel according to claim 1, which is characterized in that between the first anode and the second plate also
It is provided with conductive gap object, the first anode is electrically connected by the conductive gap object and the second plate.
3. display panel according to claim 2, which is characterized in that the conductive gap object includes first be oppositely arranged
Bottom and the second bottom, first bottom are connected with the first anode, second bottom and the second plate phase
Connection；
Wherein, the distance between first bottom and second bottom are equal to the thickness of first luminescent layer, the public affairs
The sum of the thickness of the thickness of common cathode and second luminescent layer.
4. display panel according to claim 3, which is characterized in that the conductive gap object further includes described for connecting
The first side and the second side of first bottom and second bottom, and first side be positioned close to it is described public
The side of the separate common cathode is arranged in the side of cathode, second side；
Wherein, between first side and the common cathode have a gap so that the conductive gap object with it is described
Common cathode is electrically insulated.
5. display panel according to claim 2, which is characterized in that the material of the conductive gap object is conductive polymer
Son, conductive silver glue or organic photoresist doped with conductive micro-balloons.
6. display panel according to claim 1-5, which is characterized in that first luminescent layer is in the substrate
On orthographic projection, common cathode orthographic projection on the substrate and second luminescent layer on the substrate just
Projection is overlapped.
7. display panel according to claim 1, which is characterized in that the substrate includes underlay substrate and stacks gradually
Tft layer, insulating layer and the flatness layer being located on the underlay substrate；
Wherein, it is provided with through-hole on the insulating layer and the flatness layer, the first anode extends to the through-hole simultaneously
It is electrically connected with the tft layer.
8. display panel according to claim 1, which is characterized in that the orthographic projection of the first anode on the substrate
It is overlapped with the orthographic projection of the second plate on the substrate.
9. display panel according to claim 1, which is characterized in that the display panel further includes encapsulated layer, the envelope
It fills layer to be arranged on the second plate and the flatness layer, to cover the first anode, first luminescent layer, described
Common cathode, second luminescent layer and the second plate.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141896.8A CN109920928A (en) | 2019-02-26 | 2019-02-26 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141896.8A CN109920928A (en) | 2019-02-26 | 2019-02-26 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109920928A true CN109920928A (en) | 2019-06-21 |
Family
ID=66962346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910141896.8A Pending CN109920928A (en) | 2019-02-26 | 2019-02-26 | Display panel and display device |
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| Country | Link |
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| CN (1) | CN109920928A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021167A1 (en) * | 2022-07-26 | 2024-02-01 | 深圳市华星光电半导体显示技术有限公司 | Hybrid display device and manufacturing method therefor, and display terminal |
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| CN1602128A (en) * | 2003-09-23 | 2005-03-30 | 三星Sdi株式会社 | Active matrix organic light emitting device |
| CN1742518A (en) * | 2003-01-29 | 2006-03-01 | 株式会社半导体能源研究所 | Electroluminescence device |
| CN101371619A (en) * | 2006-01-18 | 2009-02-18 | Lg化学株式会社 | OLED having stacked organic light-emitting units |
| US20110095702A1 (en) * | 2009-10-27 | 2011-04-28 | Electronics And Telecommunications Research Institute | Stacked organic light-emitting device |
| CN107833904A (en) * | 2017-10-30 | 2018-03-23 | 深圳市华星光电半导体显示技术有限公司 | Double-sided OLED display panel and its manufacture method |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1742518A (en) * | 2003-01-29 | 2006-03-01 | 株式会社半导体能源研究所 | Electroluminescence device |
| CN1602128A (en) * | 2003-09-23 | 2005-03-30 | 三星Sdi株式会社 | Active matrix organic light emitting device |
| CN101371619A (en) * | 2006-01-18 | 2009-02-18 | Lg化学株式会社 | OLED having stacked organic light-emitting units |
| US20110095702A1 (en) * | 2009-10-27 | 2011-04-28 | Electronics And Telecommunications Research Institute | Stacked organic light-emitting device |
| CN107833904A (en) * | 2017-10-30 | 2018-03-23 | 深圳市华星光电半导体显示技术有限公司 | Double-sided OLED display panel and its manufacture method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024021167A1 (en) * | 2022-07-26 | 2024-02-01 | 深圳市华星光电半导体显示技术有限公司 | Hybrid display device and manufacturing method therefor, and display terminal |
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Application publication date: 20190621 |