CN110459566B - Display panel, preparation method, display screen and display terminal - Google Patents
Display panel, preparation method, display screen and display terminal Download PDFInfo
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- CN110459566B CN110459566B CN201910730550.1A CN201910730550A CN110459566B CN 110459566 B CN110459566 B CN 110459566B CN 201910730550 A CN201910730550 A CN 201910730550A CN 110459566 B CN110459566 B CN 110459566B
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- 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
-
- 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
- H10K59/10—OLED displays
- H10K59/17—Passive-matrix OLED displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a display panel, a preparation method, a display screen and a display terminal, wherein the display panel is provided with a first electrode and a second electrode, and comprises the following components: a substrate; the wireless charging coil sets up on the base plate, and wireless charging coil includes charging coil and coil lead wire, and the charging coil passes through second electrode connection coil lead wire. By implementing the invention, the wireless charging coil is arranged on the substrate of the display panel, so that the display panel has a wireless charging function, and meanwhile, the wireless charging coil is integrated on the substrate, so that no space is reserved for the wireless charging coil at other positions of the substrate, and the thickness of the display panel can be reduced. In addition, wireless charging coil includes charging coil and coil lead wire, and the charging coil passes through second electrode connection coil lead wire, consequently, can set up wireless charging coil and display panel's display area together, is favorable to this display panel's frivolousization.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel, a preparation method of the display panel, a display screen and a display terminal.
Background
With the development of Display technology, there is an increasing demand for various displays, such as Liquid Crystal Displays (LCDs), Organic Light Emitting Diode displays (OLED displays), and Electrophoretic displays (EPDs). In order to increase convenience in use, a wireless charging device is started to be provided in a display. However, the wireless charging antenna for wireless charging needs to occupy a certain space inside the display, which is not favorable for realizing the lightness and thinness of the display.
Disclosure of Invention
In view of this, the invention provides a display panel, a manufacturing method thereof, a display screen and a display terminal, so as to solve the technical problem that the wireless charging device arranged in the display is not beneficial to realizing the lightness and thinness of the display.
The technical scheme provided by the invention is as follows:
a first aspect of embodiments of the present invention provides a display panel having a first electrode and a second electrode, the display panel including: a substrate; the wireless charging coil, set up in on the base plate, wireless charging coil includes charging coil and coil lead wire, the charging coil passes through the second electrode connection the coil lead wire.
Optionally, the charging coil and the coil lead are disposed in the same layer.
Optionally, the display panel further comprises: an organic functional layer disposed between the first electrode and the second electrode.
Optionally, the display panel further comprises: the insulating layer is arranged between the first electrode and the second electrode, the insulating layer covers a part of the charging coil and the coil lead, and a first opening and a second opening are formed in the insulating layer; one end of the charging coil is connected with one end of the second electrode through the first opening, and the coil lead is connected with the other end of the second electrode through the second opening.
Optionally, the charging coil is a MoAlMo coil, and the coil lead is a MoAlMo lead.
Optionally, the display panel is a passive matrix driving organic light emitting display panel.
A second aspect of the embodiments of the present invention provides a display screen, including the display panel according to any one of the first aspect and the first aspect of the embodiments of the present invention.
A third aspect of an embodiment of the present invention provides a display terminal, including: an apparatus body having a device region; the display screen according to the second aspect of the embodiment of the present invention is provided on the device body.
Optionally, the display terminal further includes: the charging coil is connected with the flexible circuit board through the coil lead.
Optionally, the display terminal further includes: the mainboard is provided with a control circuit, and the control circuit is connected with the flexible circuit board.
A fourth aspect of the embodiments of the present invention provides a method for manufacturing a display panel, where the method includes the following steps: forming a first electrode, a charging coil, and a coil lead on a substrate; and forming a second electrode on the substrate, wherein the charging coil is connected with the coil lead through the second electrode.
Optionally, before the forming the second electrode on the substrate, the method further includes: forming an insulating layer on the first electrode, the insulating layer covering a portion of the first electrode and a portion of the charging coil and the coil lead; arranging a first opening and a second opening on the insulating layer, and exposing one end of the charging coil and the first end of the coil lead; forming an organic functional layer on the first electrode; and forming a second electrode on the organic functional layer, wherein one end of the second electrode is connected with one end of the charging coil through the first opening, and the other end of the second electrode is connected with the coil lead through the second opening.
The technical scheme of the invention has the following advantages:
the embodiment of the invention provides a display panel, a manufacturing method, a display screen and a display terminal. In addition, wireless charging coil includes charging coil and coil lead wire, and the charging coil passes through second electrode connection coil lead wire, consequently, can set up wireless charging coil and display panel's display area together, is favorable to this display panel's frivolousization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a display panel according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a display panel according to another embodiment of the present invention;
FIG. 4 is a functional block diagram of a display terminal in an embodiment of the present invention;
fig. 5 is a flowchart of a method for manufacturing a display panel according to an embodiment of the invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As described in the background art, there are more and more occasions requiring a charging device in daily life, and a display screen is an important man-machine interaction device, and a wireless charging device may be disposed in the display screen in order to increase convenience in use. However, the current display screen that has the wireless function of charging sets up the wireless antenna that charges at the display screen back usually, can't combine together the original device in wireless antenna and the display screen that charges, causes the display screen that has the wireless function of charging comparatively heavyly, is unfavorable for realizing that the display screen is frivolous.
Based on this, as shown in fig. 1, an embodiment of the present invention provides a display panel having a first electrode 11 and a second electrode 12, the display panel further including: a substrate 10; wireless charging coil sets up on base plate 10, and wireless charging coil includes charging coil 20 and coil lead wire 30, and charging coil 20 passes through second electrode 12 and connects coil lead wire 30.
Alternatively, the substrate 10 may include a display area and a peripheral area located outside the display area, and the wireless charging coil may be disposed in the peripheral area so as not to affect the preparation of the display area. In addition, the charging coil 20 may be disposed on the substrate 10 in a rectangular spiral shape, and the charging coil 20 may also be in other shapes such as a circular coil or an elliptical coil, which is not limited in the present invention.
Alternatively, the charging coil 20 and the coil lead 30 may be disposed in the same layer, so that they may be formed through one patterning process, thereby reducing the number of masks, and also reducing the thickness of the display panel. Wherein, one end of the charging coil 20 is enclosed inside the charging coil 20, and the other end of the charging coil 20 is exposed at the periphery of the charging coil 20. An end of the inside of the charging coil 20 may be connected to the coil lead 30 through the second electrode 12.
Alternatively, the display panel is a passive matrix organic light emitting display panel, and the substrate 10 in the display panel may be a rigid substrate, such as a transparent substrate like a glass substrate, a quartz substrate, or a plastic substrate, or a flexible substrate, such as a PI film. The invention is not limited in this regard.
According to the display panel provided by the embodiment of the invention, the wireless charging coil is arranged on the substrate of the display panel, so that the display panel has a wireless charging function, meanwhile, the wireless charging coil is integrated on the substrate, and no space is required to be reserved for the wireless charging coil at other positions of the substrate, so that the thickness of the display panel can be reduced. In addition, wireless charging coil includes charging coil and coil lead wire, and the charging coil passes through second electrode connection coil lead wire, consequently, can set up wireless charging coil and display panel's display area together, is favorable to this display panel's frivolousization.
As an optional implementation manner of the embodiment of the present invention, as shown in fig. 2, the display panel further includes: an organic functional layer (not shown in the figure) and an insulating layer 40, specifically, a first electrode 11, an insulating layer 40, an organic functional layer and a second electrode 12 in the display panel are stacked to form a display area of the display panel. Among them, the first electrode 11 and the second electrode 12 may be transparent electrodes to improve transparency of the display panel. In addition, the display panel may further include a carrier function layer, wherein the first electrode 11 and the second electrode 12 are used for introducing carriers, and the carrier function layer is disposed such that the carriers provided by the first electrode 11 and the second electrode 12 are more easily transmitted to the organic function layer and combined to generate photons. Specifically, the carrier functional layer includes at least one of an electron injection layer, an electron transport layer, a hole blocking layer, an electron blocking layer, a hole transport layer, and a hole injection layer, and a specific structure of the carrier functional layer may be set according to actual requirements.
Alternatively, the first electrode 11 may be an anode, and the first electrode 11 may be formed of ITO, IZO, AZO, ZTO, or Ag electrode, an alloy electrode of Ag, or the like. The second electrode 12 may be a cathode, and the second electrode 12 may be formed of an Ag electrode, an Ag alloy electrode, an Al alloy electrode, a Cu alloy electrode, a Pt alloy electrode, or the like. Specifically, the first electrode 11 may be an ITO electrode, and the ITO material has the advantages of good stability, strong light transmittance, low resistivity, and the like. The second electrode 12 may be an Mg/Ag alloy electrode, Mg is used to provide electron injection from the cathode to the organic functional layer due to its small work function, and Ag has a large work function, which can improve the stability of the cathode, make it not easy to be oxidized, and can also enhance the adhesion between the metal electrode and the organic functional layer, and improve the interface characteristics. The present invention is not limited to specific materials of the first electrode 11 and the second electrode 12.
Optionally, insulating layer 40 covers part of charging coil 20 and coil lead 30, as shown in fig. 3, insulating layer 40 is provided with first opening 41 and second opening 42; one end of charging coil 20 is connected to one end of second electrode 12 through first opening 41, and coil lead 30 is connected to the other end of second electrode 12 through second opening 42. The material of the insulating layer 40 may be polymethyl methacrylate (PMMA), polyvinyl alcohol (PVA), Polyimide (PI), epoxy resin, or an inorganic insulating material, which is not limited in the present invention. Specifically, when insulating layer 40 is formed, insulating layer 40 may be made to cover the wireless charging coil on substrate 10 and expose one end of the inside of charging coil 20 and one end of coil lead 30, and when second electrode 12 is formed, second electrode 12 may fill first aperture 41 and second aperture 42 such that charging coil 20 is connected through second electrode 12 and coil lead 30. Furthermore, as shown in fig. 1, one end of the exterior of the charging coil 20 may directly lead out of the display panel as one connection end 21 of the wireless charging coil, and the other end of the coil lead 30 may also lead out of the display panel as the other connection end 31 of the wireless charging coil.
Alternatively, charging coil 20 is a MoAlMo coil and coil leads 30 are MoAlMo leads. The charging coil 20 and the coil lead 30 are made of the same material, so that the charging coil and the coil lead can be formed through a composition process, the number of masks is reduced, and the thickness of a display panel can be reduced. In addition, other materials may be used for the charging coil 20 and the coil lead 30, which is not limited in the present invention.
The embodiment of the invention also provides a display screen, which comprises the display panel in any one of the above embodiments. This display screen can be so that this display screen has the wireless function that charges through set up wireless charging coil on the base plate, and simultaneously, wireless charging coil is integrated on the base plate, need not be in other positions of this base plate for wireless charging coil headspace to can reduce the thickness of display screen. In addition, wireless charging coil includes charging coil and coil lead wire, and the charging coil passes through second electrode connection coil lead wire, consequently, can set up wireless charging coil and the display area of display screen together, is favorable to the frivolousization of this display screen.
The embodiment of the invention also provides a display terminal which comprises an equipment body and the display screen. In practical applications, the display device may be any product or component having a display function, such as a mobile phone, an OLED display panel, a tablet computer, a television, a display, a notebook computer, a digital camera, a vehicle-mounted display screen, and a navigator, which are only examples and not limited thereto.
As an optional implementation manner of the embodiment of the present invention, as shown in fig. 4, the display terminal further includes: and the flexible circuit board 50, and the charging coil 20 is connected with the flexible circuit board 50 through the coil lead 30. Specifically, one end of the exterior of the charging coil 20 may directly lead out of the display panel as one connection end 21 of the wireless charging coil, and the other end of the coil lead 30 may also lead out of the display panel as the other connection end 31 of the wireless charging coil. The flexible circuit board 50 can be directly connected to both connection ends of the wireless charging coil.
As an optional implementation manner of the embodiment of the present invention, as shown in fig. 4, the display terminal further includes: mainboard 60, mainboard 60 is last to be provided with control circuit 61, and control circuit 61 connects flexible circuit board 50. Specifically, the control circuit 61 may be connected to the wireless charging coil through the flexible circuit board 50 to control the charging of the wireless charging coil 20.
The embodiment of the invention also provides a preparation method of the display panel, as shown in fig. 5, the preparation method comprises the following steps:
step S101: forming a first electrode, a charging coil, and a coil lead on a substrate; specifically, the substrate may be a rigid substrate, such as a transparent substrate like a glass substrate, a quartz substrate, or a plastic substrate, or a flexible substrate, such as a PI film.
Alternatively, an ITO material may be evaporated on a glass substrate and a first electrode may be formed by photolithography, and then a charging coil and a coil lead may be evaporated on a peripheral region of the substrate and a complete wireless charging coil pattern may be formed by photolithography. The charging coil and the coil lead may also be directly disposed on the ITO glass, which is not limited in the present invention.
Optionally, the charging coil and the coil lead can be arranged in the same layer, so that the charging coil and the coil lead can be formed through one composition process, the number of masks is reduced, and the thickness of the display panel can be reduced. The charging coil and the coil lead may be made of MoAlMo material, or may be made of other materials, which is not limited in the present invention.
Step S102: a second electrode is formed on the substrate, and the charging coil is connected to the coil lead through the second electrode. Before forming the second electrode, an insulating layer and an organic functional layer can be sequentially stacked on the first electrode, the insulating layer can cover part of a charging coil and a coil lead, and a first opening and a second opening are formed in the insulating layer through a screen body developing process, wherein the first opening exposes one end inside the charging coil, and the second opening exposes one end of the coil lead; therefore, after the second electrode is formed by evaporation, the second electrode can fill the first opening and the second opening, so that the charging coil is connected with the coil lead through the second electrode.
According to the preparation method of the display panel, the charging coil and the coil lead are arranged on the substrate of the display panel, so that the display panel has a wireless charging function, meanwhile, the charging coil and the coil lead are integrated on the substrate, and no space is reserved for the charging coil and the coil lead at other positions of the substrate, so that the thickness of the display panel can be reduced. In addition, the charging coil passes through the second electrode and connects the coil lead wire, consequently, can set up wireless charging coil and display panel's display area together, is favorable to this display panel's frivolousization.
Although the present invention has been described in detail with respect to the exemplary embodiments and the advantages thereof, those skilled in the art will appreciate that various changes, substitutions and alterations can be made to the embodiments without departing from the spirit and scope of the invention as defined by the appended claims. For other examples, one of ordinary skill in the art will readily appreciate that the order of the process steps may be varied while maintaining the scope of the present invention.
Moreover, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, manufacture, composition of matter, means, methods and steps described in the specification. As one of ordinary skill in the art will readily appreciate from the disclosure of the present invention, processes, machines, manufacture, compositions of matter, means, methods, or steps, presently existing or later to be developed, that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present invention. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or steps.
Claims (10)
1. A display panel having a first electrode and a second electrode, comprising:
a substrate;
the wireless charging coil is arranged on the substrate and comprises a charging coil and a coil lead, and the charging coil is connected with the coil lead through the second electrode;
the insulating layer is arranged between the first electrode and the second electrode, the insulating layer covers a part of the charging coil and the coil lead, and a first opening and a second opening are formed in the insulating layer;
one end of the charging coil is connected with one end of the second electrode through the first opening, and the coil lead is connected with the other end of the second electrode through the second opening.
2. The display panel of claim 1, wherein the charging coil and the coil lead are disposed in a same layer.
3. The display panel according to claim 1, further comprising: an organic functional layer disposed between the first electrode and the second electrode.
4. The display panel of claim 1, wherein the charging coil is a MoAlMo coil and the coil leads are MoAlMo leads.
5. The display panel according to claim 1, wherein the display panel is a passive matrix driving organic light emitting display panel.
6. A display screen, characterized by comprising the display panel of any one of claims 1 to 5.
7. A display terminal, comprising:
an apparatus body having a device region;
the display screen of claim 6, disposed on the device body.
8. The display terminal of claim 7, further comprising: the charging coil is connected with the flexible circuit board through the coil lead.
9. The display terminal of claim 8, further comprising: the mainboard is provided with a control circuit, and the control circuit is connected with the flexible circuit board.
10. A preparation method of a display panel is characterized by comprising the following steps:
forming a first electrode, a charging coil, and a coil lead on a substrate;
forming a second electrode on the substrate, wherein the charging coil is connected with the coil lead through the second electrode;
before the forming of the second electrode on the substrate, the method further comprises:
forming an insulating layer on the first electrode, the insulating layer covering a portion of the first electrode and a portion of the charging coil and the coil lead;
arranging a first opening and a second opening on the insulating layer, and exposing one end of the charging coil and the first end of the coil lead;
forming an organic functional layer on the first electrode;
and forming a second electrode on the organic functional layer, wherein one end of the second electrode is connected with one end of the charging coil through the first opening, and the other end of the second electrode is connected with the coil lead through the second opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910730550.1A CN110459566B (en) | 2019-08-08 | 2019-08-08 | Display panel, preparation method, display screen and display terminal |
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| CN201910730550.1A CN110459566B (en) | 2019-08-08 | 2019-08-08 | Display panel, preparation method, display screen and display terminal |
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| CN110459566A CN110459566A (en) | 2019-11-15 |
| CN110459566B true CN110459566B (en) | 2021-06-15 |
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| CN111509018B (en) * | 2020-04-28 | 2023-08-29 | 京东方科技集团股份有限公司 | display device |
| CN113178534B (en) * | 2021-04-23 | 2023-07-18 | 京东方科技集团股份有限公司 | Light-emitting panel and light-emitting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098702A (en) * | 2016-06-30 | 2016-11-09 | 上海天马微电子有限公司 | Display panel and display device |
| CN108388037A (en) * | 2018-03-01 | 2018-08-10 | 京东方科技集团股份有限公司 | The production method and its charging method of a kind of display panel, display panel |
| CN109378337A (en) * | 2018-12-04 | 2019-02-22 | 广东速美达自动化股份有限公司 | An OLED screen with wireless charging function and wireless charging system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098702A (en) * | 2016-06-30 | 2016-11-09 | 上海天马微电子有限公司 | Display panel and display device |
| CN108388037A (en) * | 2018-03-01 | 2018-08-10 | 京东方科技集团股份有限公司 | The production method and its charging method of a kind of display panel, display panel |
| CN109378337A (en) * | 2018-12-04 | 2019-02-22 | 广东速美达自动化股份有限公司 | An OLED screen with wireless charging function and wireless charging system |
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