CN111864115A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN111864115A CN111864115A CN202010740386.5A CN202010740386A CN111864115A CN 111864115 A CN111864115 A CN 111864115A CN 202010740386 A CN202010740386 A CN 202010740386A CN 111864115 A CN111864115 A CN 111864115A
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- 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
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- 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- 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
Abstract
The invention relates to a display panel and a display device, wherein the display panel comprises a display substrate, a reflecting layer, a first conducting layer and a second conducting layer, the display substrate comprises a substrate and an encapsulation layer, the display substrate is a flexible display substrate, the display substrate comprises a display area and a non-display area, the display substrate comprises a first non-bending part, a bending part and a second non-bending part, the first non-bending part is positioned between the display area and the bending part, and the bending part is positioned between the first non-bending part and the second non-bending part; the reflecting layer is positioned on one side of the packaging layer, which is far away from the substrate, and covers the display area and at least part of the first non-bending part, and the reflecting layer is a conductor; the first conductive layer covers the bending part and part of the first non-bending part, a first end of the first conductive layer is in contact with the reflecting layer, a second end of the first conductive layer is in contact with a first end of the second conductive layer, and a second end of the second conductive layer is grounded. According to the embodiment of the invention, the antistatic capability of the display panel can be improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
In the related art, the application of the display device is more and more extensive, and people have more and more diversified functional requirements on the display device. With the diversification of functions and applications, electrical signals inside the display device are more and more complex, and therefore, the display device is easily affected by static electricity, so that the display device cannot provide high-quality display requirements, and the service life of the display device is greatly reduced. For example, in the technical field of OLED (organic light emitting diode) flexible display, the risk of mutual crosstalk between signals inside a display panel is high, the display panel is easily damaged by external static electricity, and defects such as abnormal display and non-display occur, and electrostatic discharge has become a technical problem to be urgently solved in the technical field of OLED flexible display.
Disclosure of Invention
The invention provides a display panel and a display device to solve the defects in the related art.
According to a first aspect of the embodiments of the present invention, there is provided a display panel, including a display substrate, a reflective layer, a first conductive layer, and a second conductive layer, where the display substrate includes a substrate and a packaging layer, the packaging layer is located on the substrate, the display substrate is a flexible display substrate, and the display substrate includes: the display substrate comprises a first non-bending part, a bending part and a second non-bending part, wherein the first non-bending part is positioned between the display area and the bending part, and the bending part is positioned between the first non-bending part and the second non-bending part;
the reflection layer is positioned on one side of the packaging layer, which is far away from the substrate, and covers the display area and at least part of the first non-bending part, and the reflection layer is a conductor;
the first conducting layer covers the bending part and part of the first non-bending part, a first end of the first conducting layer is in contact with the reflecting layer, a second end of the first conducting layer is in contact with a first end of the second conducting layer, part of the second conducting layer is located on the second non-bending part, and a second end of the second conducting layer is grounded.
In one embodiment, the first end of the first conductive layer covers one end of the reflective layer close to the bending portion, and the first end of the second conductive layer covers the second end of the first conductive layer.
In one embodiment, the material of the first conductive layer is conductive adhesive, and the first conductive layer comprises ultraviolet curing adhesive and conductive particles;
the thickness of the first conducting layer is 60-120 micrometers; the conductive particles are spherical, and the diameter of the conductive particles is 1-10 micrometers;
the on-resistance of the first conductive layer in the first direction and the second direction is less than 0.1ohms/inch2The first direction is a direction from the non-display area to the display area, and the second direction is perpendicular to the first direction and is located in a plane of the non-display area.
In one embodiment, the first conductive layer includes a first sub-layer and a second sub-layer, the first sub-layer is located on the display substrate, and the second sub-layer is located on a side of the first sub-layer away from the display substrate;
the first sublayer is made of an organic insulating material, a first end of the first sublayer is located on one side, close to the reflecting layer, of the first non-bending portion, a gap exists between the first end of the first sublayer and the reflecting layer, and a second end of the first sublayer is located on one side, close to the bending portion, of the second non-bending portion;
the second sub-layer is a conductive coating, a first end of the second sub-layer covers one end of the reflection layer close to the bending part, and a second end of the second sub-layer is located on one side of the second non-bending part close to the bending part; the first end of the second conductive layer covers the second end of the second sublayer;
the second sub-layer is made of graphene, copper-nickel alloy or silver alloy, and the silver alloy is magnesium-silver alloy, copper-silver alloy or nickel-silver alloy;
the thickness of the second sub-layer is 15-25 microns.
In one embodiment, the second conductive layer is a conductive tape.
In one embodiment, the display panel further includes a heat dissipation film, a support pillar, a driving chip, a first flexible circuit board, and a second flexible circuit board;
the heat dissipation film is positioned on one side of the substrate, which is far away from the packaging layer, and the heat dissipation film is grounded;
the supporting column is positioned on one side, far away from the substrate, of the heat dissipation film, and is positioned between the first non-bending part and the second non-bending part and used for supporting the second non-bending part;
the driving chip is fixed on the first flexible circuit board, the first end of the first flexible circuit board is located on one side, away from the bent part, of the second non-bent part, a gap exists between the first end of the first flexible circuit board and the second end of the first conductive layer, and the second end of the first flexible circuit board is located on one side, away from the substrate, of the heat dissipation film;
the first end of the second flexible circuit board covers the second end of the first flexible circuit board, and the second end of the second flexible circuit board is positioned on one side, away from the substrate, of the heat dissipation film;
the second conducting layer covers the first flexible circuit board and the second flexible circuit board.
In one embodiment, the display panel further includes a first back film and a second back film, the first back film is located between the substrate and the heat dissipation film, and the second back film is located between the supporting pillar and the second non-bending portion.
In one embodiment, the display panel further includes: the touch control layer, the polarizer and the glass cover plate;
the touch layer is located on one side, away from the substrate, of the reflecting layer, the polaroid is located on one side, away from the substrate, of the touch layer, and the glass cover plate is located on one side, away from the substrate, of the polaroid.
In one embodiment, the display panel further includes a first bank and a second bank, the first bank and the second bank being located in the non-display region, the first bank being located at a side close to the display region, the second bank being located at a side far from the display region, and the reflective layer covers the first bank and the second bank.
According to a second aspect of the embodiments of the present invention, there is provided a display device including the display panel described above.
According to the embodiments, since the first end of the first conductive layer is in contact with the reflective layer, the second end of the first conductive layer is in contact with the first end of the second conductive layer, and the second end of the second conductive layer is grounded, static electricity on the reflective layer can be released through the first conductive layer and the second conductive layer, so that the display panel can be prevented from being damaged by static electricity, and the antistatic capability of the display panel is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
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 another display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram illustrating another display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another display panel according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The embodiment of the invention provides a display panel. As shown in fig. 1, the display panel includes a display substrate 11, a reflective layer 12, a first conductive layer 13 and a second conductive layer 14, the display substrate 11 includes a substrate (not shown) and an encapsulation layer (not shown), the encapsulation layer is located on the substrate, the display substrate 11 is a flexible display substrate, and the display substrate 11 includes: the display area AA and the non-display area NA are adjacent to each other, the display substrate 11 includes a first non-bending portion 111, a bending portion 112 and a second non-bending portion 113 located in the non-display area NA, the first non-bending portion 111 is located between the display area AA and the bending portion 112, and the bending portion 112 is located between the first non-bending portion 111 and the second non-bending portion 113.
As shown in fig. 1, the reflective layer 12 is located on a side of the package layer away from the substrate, and covers the display area AA and at least a portion of the first non-bending portion 111, and the reflective layer 12 is a conductor.
The first conductive layer 13 covers the bending portion 112 and a portion of the first non-bending portion 111, a first end of the first conductive layer 13 contacts the reflective layer 12, a second end of the first conductive layer 13 contacts a first end of the second conductive layer 14, a portion of the second conductive layer 14 is located on the second non-bending portion 113, and a second end of the second conductive layer 14 is grounded.
In this embodiment, because the first end of the first conductive layer contacts the reflective layer, the second end of the first conductive layer contacts the first end of the second conductive layer, and the second end of the second conductive layer is grounded, static electricity on the reflective layer can be released through the first conductive layer and the second conductive layer, so that the display panel can be prevented from being damaged by static electricity, and the antistatic capability of the display panel is improved.
The display panel provided by the embodiment of the invention is briefly introduced above. The following describes the display panel provided in the embodiment of the present invention in detail.
The embodiment of the invention provides a display panel. As shown in fig. 1, the display panel includes a display substrate 11, a reflective layer 1212, a first conductive layer 13, a second conductive layer 14, a heat dissipation film 15, a supporting pillar 16, a driving chip (not shown), a first flexible circuit board 17, a second flexible circuit board 18, a first back film 19, a second back film 21, a touch layer 22, a polarizer 23, a glass cover 24, a first transparent optical adhesive layer 25, and a second transparent optical adhesive layer 26.
In the present embodiment, the display substrate 11 includes a substrate (not shown), a light emitting layer (not shown), and an encapsulation layer (not shown). The light emitting layer is located between the substrate and the encapsulation layer. The light emitting layer may be an organic light emitting layer.
In the present embodiment, the display substrate 11 is a flexible display substrate 11. As shown in fig. 1, the display substrate 11 includes: the display area AA is adjacent to the non-display area NA. The display area AA is for displaying an image.
In the embodiment, the display substrate 11 includes a first non-bending portion 111, a bending portion 112 and a second non-bending portion 113 located in the non-display area NA, the first non-bending portion 111 is located between the display area AA and the bending portion 112, and the bending portion 112 is located between the first non-bending portion 111 and the second non-bending portion 113.
As shown in fig. 1, the reflective layer 12 is located on a side of the package layer away from the substrate, and covers the display area AA and at least a portion of the first non-bending portion 111, and the reflective layer 12 is a conductor. For example, the material of the reflective layer 12 may be aluminum, but is not limited thereto. When the display panel does not perform a display function, a function of a mirror may be implemented.
In this embodiment, the display panel may further include a first dam (not shown) and a second dam (not shown), the first dam (not shown) and the second dam (not shown) are located in the non-display area AA, the first dam is located at a side close to the display area AA, the second dam is located at a side far from the display area AA, and the reflective layer 12 covers the first dam and the second dam.
In the embodiment, the first conductive layer 13 covers the bending portion 112 and a portion of the first non-bending portion 111, a first end of the first conductive layer 13 contacts the reflective layer 12, a second end of the first conductive layer 13 contacts a first end of the second conductive layer 14, a portion of the second conductive layer 14 is located on the second non-bending portion 113, and a second end of the second conductive layer 14 is grounded.
In this embodiment, the first end of the first conductive layer 13 covers the end of the reflective layer 12 close to the bending portion 112, so that the first conductive layer 13 can be in contact with the reflective layer 12.
In the present embodiment, the first end of the second conductive layer 14 covers the second end of the first conductive layer 13. Thus, the first conductive layer 13 and the second conductive layer 14 can be brought into contact with each other.
In this embodiment, the material of the first conductive layer 13 is conductive adhesive. For example, the first conductive layer 13 may include an ultraviolet curing adhesive and conductive particles.
In the present embodiment, the thickness of the first conductive layer 13 is 60 micrometers to 120 micrometers, for example, the thickness of the first conductive layer 13 may be 60 micrometers, 80 micrometers, 100 micrometers or 120 micrometers. Preferably, the thickness of the first conductive layer 13 may be 90 micrometers.
In this embodiment, the conductive particles are spherical and have a diameter of 1 to 10 microns. For example, the conductive particles have a diameter of 1 micron, 5 microns, 6 microns, or 10 microns, but are not limited thereto.
In the present embodiment, the on-resistance of the first conductive layer 13 in the first direction is less than 0.1ohms/inch2The on-resistance of the first conductive layer 13 in the second direction is less than 0.1ohms/inch2. Wherein the first direction is a direction pointing from the non-display area AA to the display area AA, and the second direction is perpendicular to the first direction and located in the non-display areaAA in the plane of the substrate.
In this embodiment, the first back film 19 is located on the side of the substrate facing away from the encapsulation layer for preventing moisture from entering the display panel via the substrate.
In the present embodiment, the heat dissipation film 15 is located on the first back film 19 on the side away from the package layer, and the heat dissipation film 15 is grounded. The heat dissipation film 15 is used for heat dissipation and also for electronic shielding. The heat-dissipating film 15 comprises a copper foil on the side remote from the substrate, which copper foil is grounded.
In the present embodiment, the supporting pillar 16 is located between the heat dissipation film 15 and the second back film 21, and the second back film 21 is located between the supporting pillar 16 and the second non-bending portion 113. The second back film 21 serves to prevent moisture from entering the display panel via the substrate. The supporting post 16 is used to support the second non-bending portion 113, so as to avoid the signal line in the bending portion 112 from being broken due to the too small diameter of the bending portion 112.
In the present embodiment, the driving chip is fixed on the first flexible circuit board 17, and the first flexible circuit board 17 may also be referred to as a Chip On Film (COF). The first end of the first flexible circuit board 17 is located on the side of the second non-bending portion 113 away from the bending portion 112, a gap exists between the first end of the first flexible circuit board 17 and the second end of the first conductive layer 13, and the second end of the first flexible circuit board 17 is located on the side of the heat dissipation film 15 away from the substrate.
In the present embodiment, the first end of the second flexible circuit board 18 covers the second end of the first flexible circuit board 17, and the second end of the second flexible circuit board 18 is located on the side of the heat dissipation film 15 away from the substrate.
In the present embodiment, the second conductive layer 14 covers the first flexible circuit board 17 and the second flexible circuit board 18.
In the present embodiment, the second conductive layer 14 is a conductive tape. The second conductive layer 14 is attached to the first conductive layer 13 and is attached to the heat dissipation film 15 along the first flexible circuit board 17 and the second flexible circuit board 18.
In this embodiment, the first transparent optical adhesive layer 25 is located on the side of the reflective layer 12 away from the substrate, the touch layer 22 is located on the side of the first transparent optical adhesive layer 25 away from the substrate, the polarizer 23 is located on the side of the touch layer 22 away from the substrate, the second transparent optical adhesive layer 26 is located on the side of the polarizer 23 away from the substrate, and the glass cover plate 24 is located on the side of the second transparent optical adhesive layer 26 away from the substrate. The polarizer 23 is a transparent polarizer 23, which can enhance light transmittance.
In this embodiment, the display panel is viewed from the second back film 21 in a plan view in the direction of the first back film 19, and plan views as shown in fig. 2 and 3 are obtained. As shown in fig. 2 and 3, the heat dissipation film 15 includes a protection film 151 and a copper foil 152. The copper foil 152 is grounded. The first flexible circuit board 17 is in contact with the second flexible circuit board 18, the first flexible circuit board 17 is in contact with the copper foil 152, the second conductive layer 14 is in contact with the second flexible circuit board 18, the second flexible circuit board 18 is in contact with the copper foil 152, and static electricity is released through the second conductive layer 14, the first flexible circuit board 17, the second flexible circuit board 18 and the copper foil 152. Wherein the protective film 151 can be removed.
In this embodiment, since the first end of the first conductive layer 13 is in contact with the reflective layer 12, the second end of the first conductive layer is in contact with the first end of the second conductive layer 14, and the second end of the second conductive layer 14 is grounded, static electricity on the reflective layer 12 can be released through the first conductive layer 13 and the second conductive layer 14, so as to prevent the display panel from being damaged by static electricity, and improve the antistatic capability of the display panel.
The embodiment of the invention also provides a display panel. As shown in fig. 4, in the present embodiment, different from the embodiment shown in fig. 1, the first conductive layer 13 includes a first sub-layer 131 and a second sub-layer 132, the first sub-layer 131 is located on the display substrate 11, and the second sub-layer 132 is located on a side of the first sub-layer 131 away from the display substrate 11.
In this embodiment, the material of the first sub-layer 131 is an organic insulating material, and is used to adjust the metal layer in the bending portion 112 to be a neutral layer, that is, adjust the metal layer in the bending portion 112 to be a film layer that is not subjected to a tensile force or a compressive force.
In this embodiment, the first end of the first sub-layer 131 is located at a side of the first non-bending portion 111 close to the reflective layer 12, a gap exists between the first end of the first sub-layer 131 and the reflective layer 12, and the second end of the first sub-layer 131 is located at a side of the second non-bending portion 113 close to the bending portion 112.
In this embodiment, the second sub-layer 132 is a conductive coating, a first end of the second sub-layer 132 covers an end of the reflective layer 12 close to the bending portion 112, and a second end of the second sub-layer 132 is located at a side of the second non-bending portion 113 close to the bending portion 112; the first end of the second conductive layer 14 covers the second end of the second sub-layer 132.
In this embodiment, the material of the second sub-layer 132 is graphene, copper-nickel alloy or silver alloy. For example, the silver alloy is a magnesium silver alloy, a copper silver alloy, or a nickel silver alloy. In this embodiment, the second sub-layer 132 may be prepared by a spraying, printing, or brushing process.
In the present embodiment, the thickness of the second sub-layer 132 is 15 micrometers to 25 micrometers, for example, the thickness of the second sub-layer 132 is 15 micrometers, 20 micrometers or 25 micrometers.
The embodiment of the invention also provides a display device which comprises a display module and the display panel of any one of the embodiments.
In this embodiment, since the first end of the first conductive layer 13 is in contact with the reflective layer 12, the second end of the first conductive layer is in contact with the first end of the second conductive layer 14, and the second end of the second conductive layer 14 is grounded, static electricity on the reflective layer 12 can be released through the first conductive layer 13 and the second conductive layer 14, so as to prevent the display device from being damaged by static electricity, and improve the antistatic capability of the display device.
The display device in this embodiment may be: any product or component with a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator and the like.
It is noted that in the drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. Also, it will be understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element or layer or intervening layers may also be present. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it can be directly under the other element or intervening layers or elements may also be present. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it can be the only layer between the two layers or elements, or more than one intermediate layer or element may also be present. Like reference numerals refer to like elements throughout.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. The display panel is characterized by comprising a display substrate, a reflecting layer, a first conducting layer and a second conducting layer, wherein the display substrate comprises a substrate and a packaging layer, the packaging layer is positioned on the substrate, the display substrate is a flexible display substrate, and the display substrate comprises: the display substrate comprises a first non-bending part, a bending part and a second non-bending part, wherein the first non-bending part is positioned between the display area and the bending part, and the bending part is positioned between the first non-bending part and the second non-bending part;
the reflection layer is positioned on one side of the packaging layer, which is far away from the substrate, and covers the display area and at least part of the first non-bending part, and the reflection layer is a conductor;
the first conducting layer covers the bending part and part of the first non-bending part, a first end of the first conducting layer is in contact with the reflecting layer, a second end of the first conducting layer is in contact with a first end of the second conducting layer, part of the second conducting layer is located on the second non-bending part, and a second end of the second conducting layer is grounded.
2. The display panel according to claim 1, wherein a first end of the first conductive layer covers an end of the reflective layer close to the bending portion, and a first end of the second conductive layer covers a second end of the first conductive layer.
3. The display panel according to claim 1, wherein the material of the first conductive layer is a conductive adhesive, and the first conductive layer comprises an ultraviolet curing adhesive and conductive particles;
the thickness of the first conducting layer is 60-120 micrometers; the conductive particles are spherical, and the diameter of the conductive particles is 1-10 micrometers;
the on-resistance of the first conductive layer in the first direction and the second direction is less than 0.1ohms/inch2The first direction is a direction from the non-display area to the display area, and the second direction is perpendicular to the first direction and is located in a plane of the non-display area.
4. The display panel according to claim 1, wherein the first conductive layer comprises a first sub-layer and a second sub-layer, the first sub-layer is located on the display substrate, and the second sub-layer is located on a side of the first sub-layer away from the display substrate;
the first sublayer is made of an organic insulating material, a first end of the first sublayer is located on one side, close to the reflecting layer, of the first non-bending portion, a gap exists between the first end of the first sublayer and the reflecting layer, and a second end of the first sublayer is located on one side, close to the bending portion, of the second non-bending portion;
the second sub-layer is a conductive coating, a first end of the second sub-layer covers one end of the reflection layer close to the bending part, and a second end of the second sub-layer is located on one side of the second non-bending part close to the bending part; the first end of the second conductive layer covers the second end of the second sublayer;
the second sub-layer is made of graphene, copper-nickel alloy or silver alloy, and the silver alloy is magnesium-silver alloy, copper-silver alloy or nickel-silver alloy;
the thickness of the second sub-layer is 15-25 microns.
5. The display panel according to claim 1, wherein the second conductive layer is a conductive tape.
6. The display panel according to claim 1, further comprising a heat dissipation film, a support pillar, a driving chip, a first flexible circuit board, and a second flexible circuit board;
the heat dissipation film is positioned on one side of the substrate, which is far away from the packaging layer, and the heat dissipation film is grounded;
the supporting column is positioned on one side, far away from the substrate, of the heat dissipation film, and is positioned between the first non-bending part and the second non-bending part and used for supporting the second non-bending part;
the driving chip is fixed on the first flexible circuit board, the first end of the first flexible circuit board is located on one side, away from the bent part, of the second non-bent part, a gap exists between the first end of the first flexible circuit board and the second end of the first conductive layer, and the second end of the first flexible circuit board is located on one side, away from the substrate, of the heat dissipation film;
the first end of the second flexible circuit board covers the second end of the first flexible circuit board, and the second end of the second flexible circuit board is positioned on one side, away from the substrate, of the heat dissipation film;
the second conducting layer covers the first flexible circuit board and the second flexible circuit board.
7. The display panel according to claim 6, further comprising a first back film and a second back film, wherein the first back film is located between the substrate and the heat dissipation film, and the second back film is located between the support pillar and the second non-bending portion.
8. The display panel according to claim 1, further comprising: the touch control layer, the polarizer and the glass cover plate;
the touch layer is located on one side, away from the substrate, of the reflecting layer, the polaroid is located on one side, away from the substrate, of the touch layer, and the glass cover plate is located on one side, away from the substrate, of the polaroid.
9. The display panel according to claim 1, further comprising a first bank and a second bank, the first bank and the second bank being located in the non-display region, the first bank being located on a side close to the display region, the second bank being located on a side away from the display region, the reflective layer covering the first bank and the second bank.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
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CN202010740386.5A CN111864115B (en) | 2020-07-28 | 2020-07-28 | Display panel and display device |
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CN202010740386.5A CN111864115B (en) | 2020-07-28 | 2020-07-28 | Display panel and display device |
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