CN110728902B - Display screen and electronic equipment comprising same - Google Patents

Display screen and electronic equipment comprising same Download PDF

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Publication number
CN110728902B
CN110728902B CN201910950067.4A CN201910950067A CN110728902B CN 110728902 B CN110728902 B CN 110728902B CN 201910950067 A CN201910950067 A CN 201910950067A CN 110728902 B CN110728902 B CN 110728902B
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layer
conductive
display screen
foam
panel
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CN110728902A (en
Inventor
贾玉虎
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Oppo Chongqing Intelligent Technology Co Ltd
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Oppo Chongqing Intelligent Technology Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00Carrying-off electrostatic charges

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The embodiment of the application discloses display screen and contain electronic equipment of display screen, this display screen includes: the display panel comprises a display panel, a first film layer and a panel protection layer; the display panel, the first film layer and the panel protection layer are stacked together from top to bottom, and the panel protection layer is connected with a substrate of electronic equipment so that the display screen is fixed on the substrate; the panel protection layer comprises a conductive channel which is communicated with the first thin film layer and the substrate and is used for guiding charges in the first thin film layer into the substrate. Therefore, the electric charges in the first thin film layer and the panel protection layer are led into the substrate by utilizing the conductive channel arranged in the protection panel, and the influence of the electric charges in the first thin film layer or the panel protection layer on the display effect of the display panel is avoided.

Description

Display screen and electronic equipment comprising same
Technical Field
The present application relates to electronic device display technologies, and in particular, to a display screen and an electronic device including the display screen.
Background
The display screen is an important output unit in electronic equipment, as shown in fig. 1, the conventional display screen includes a glass cover plate 11, a display panel 12 and a panel protection layer 13, the glass cover plate 11 covers the display panel 12 to protect the display panel from external damage, the panel protection layer 13 is located below the display panel to enhance the strength of the display panel and to realize the connection of the display control device of the display panel 12, but the conventional display screen is easy to generate charge accumulation in the panel protection layer 13, and the accumulated charge cannot be derived, so that abnormal display occurs in the display screen.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present application are expected to provide a display screen and an electronic device including the display screen.
The technical scheme of the application is realized as follows:
in a first aspect, a display screen is provided, which is applied to an electronic device, and the display screen includes: a display panel, a first film layer and a panel protection layer; wherein the content of the first and second substances,
the display panel, the first film layer and the panel protection layer are stacked together from top to bottom, and the panel protection layer is connected with a substrate of electronic equipment, so that the display screen is fixed on the substrate;
the panel protection layer comprises a conductive channel which is communicated with the first thin film layer and the substrate and is used for guiding charges in the first thin film layer into the substrate.
In the scheme, the first thin film layer is connected with the panel protection layer through the first connecting layer; the first connecting layer is a conductive adhesive layer and is used for guiding charges in the first thin film layer to a conductive channel of the panel protective layer.
In the scheme, the panel protection layer comprises a foam layer, a second film layer and a metal layer which are sequentially stacked together from top to bottom; the foam layer is connected with the first thin film layer through the first conductive adhesive layer, and the metal layer is connected with the substrate; the conductive channel is also used for introducing the charges in the second thin film layer into the substrate.
In the above scheme, the foam layer comprises conductive foam and non-conductive foam; the conductive channel comprises conductive foam in the foam layer.
In the above scheme, the conductive foam is located in the middle of the foam layer, and the non-conductive foam is located at the edge of the foam layer.
In the above scheme, the second thin film layer and the metal layer are connected through a second connecting layer; the second connecting layer is a conductive adhesive layer.
In the above scheme, the impedance of the first thin film layer is smaller than an impedance threshold; and/or the impedance of the second thin film layer is less than the impedance threshold.
In the above scheme, the panel protection layer and the substrate are connected through a third connection layer; the third connecting layer is a conductive adhesive layer, or the third connecting layer comprises non-conductive adhesive and conductive foam.
In the above scheme, the non-conductive adhesive is located in the middle of the panel protection layer, and the conductive foam is located on two sides of the non-conductive adhesive.
In a second aspect, an electronic device is provided, the device comprising: a display screen and a substrate; the display screen is fixed on the substrate; the display screen is the display screen of any one of the preceding first aspects.
Adopt above-mentioned technical scheme, the display screen includes: a display panel, a first film layer and a panel protection layer; the display panel, the first film layer and the panel protection layer are stacked together from top to bottom, and the panel protection layer is connected with a substrate of electronic equipment so that the display screen is fixed on the substrate; the panel protection layer comprises a conductive channel which is communicated with the first thin film layer and the substrate and is used for guiding charges in the first thin film layer into the substrate. Therefore, the electric charges in the first thin film layer and the panel protection layer are led into the substrate by the aid of the conductive channels arranged in the protection panel, and the display effect of the display panel is prevented from being influenced by the electric charges in the first thin film layer or the panel protection layer.
Drawings
FIG. 1 is a schematic diagram of a conventional display screen;
FIG. 2 is a schematic diagram of a first component structure of a display screen in an embodiment of the present application;
FIG. 3 is a diagram illustrating a second component structure of a display screen according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a third component structure of a display screen in an embodiment of the present application;
FIG. 5 is a diagram illustrating a fourth component structure of a display screen according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an electronic device in an embodiment of the present application.
Detailed Description
So that the manner in which the features and elements of the present embodiments can be understood in detail, a more particular description of the embodiments, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings.
The embodiment of the application provides a display screen, and fig. 2 is a schematic view of a first composition structure of the display screen in the embodiment of the application; as shown in fig. 2, the display screen specifically includes: a display panel 21, a first film layer 22, and a panel protective layer 23; wherein, the first and the second end of the pipe are connected with each other,
the display panel 21, the first film layer 22 and the panel protection layer 23 are stacked together from top to bottom, and the panel protection layer 23 is connected to a substrate 24 of an electronic device, so that the display screen is fixed on the substrate 24;
the panel protection layer 23 includes a conductive path connecting the first thin film layer 22 and the substrate 24, for introducing charges in the first thin film layer 22 into the substrate 24.
Here, fig. 2 only shows the shape and position of the conductive channel by way of example, and any channel that can achieve charge transfer from the first thin film layer to the substrate in practical application can be regarded as the conductive channel in the embodiment of the present application.
In practical application, the display screen can be a full-face screen, a flexible screen, a folding screen, a surrounding screen and the like. The first thin film layer is a base film of the display panel, and may be a polyimide film (PI film), a Cycloolefin Polymer film (COP film), a Liquid Crystal Polymer film (LCP film), a Polydimethylsiloxane film (PDMS film), or the like, in order to prevent the display panel from being broken and bent.
In some embodiments, the first film layer and the panel protection layer are connected by a first tie layer; the first connecting layer is a conductive adhesive layer and is used for guiding charges in the first thin film layer to a conductive channel of the panel protective layer.
Here, the base film of the display panel is attached to the panel protective layer using a conductive paste in order to transfer accumulated charges in the base film to the substrate.
The panel protection layer is a display panel protection auxiliary material layer, and a plurality of functional layers are contained in the panel protection layer, wherein each functional layer contains conductive parts, and the conductive parts are connected to form a conductive channel of the protection layer. For example, the panel protection layer comprises a foam layer, a second film layer and a metal layer which are stacked together in sequence from top to bottom; the foam layer is connected with the first thin film layer through the first conductive adhesive layer, and the metal layer is connected with the substrate; the conductive channel is also used for introducing charges in the second thin film layer into the substrate.
Here, at least some of the foam layers are conductive foam that is part of a conductive channel for transporting charge in the first thin film layer. For example, the whole layer of the foam layer is made of all the foam or the foam is arranged at intervals, the foam of the foam surface layer is made of all the conductive foam, or one part of the conductive foam and one part of the non-conductive foam.
In some embodiments, the second thin film layer and the metal layer are connected by a second connection layer; the second connecting layer is a conductive adhesive layer. That is, the second thin film layer and the metal layer are connected by the conductive paste, and all portions of the second connection layer can be used as a part of the conductive path.
In some embodiments, the panel protection layer 23 and the substrate 24 are connected by a third connection layer; the third connecting layer is a conductive adhesive layer, or the third connecting layer comprises non-conductive adhesive and conductive foam.
When the third connecting layer is a conductive adhesive layer, all parts of the third connecting layer can be used as conductive channels for transferring charges in the panel protective layer and the first thin film layer to the substrate; when the third connection layer comprises the non-conductive adhesive and the conductive foam, the conductive foam is used as a conductive channel for transferring charges in the panel protection layer and the first thin film layer to the substrate.
Illustratively, the non-conductive adhesive is located in the middle of the panel protection layer, and the conductive foam is located on two sides of the non-conductive adhesive.
FIG. 3 is a diagram illustrating a second component structure of a display screen according to an embodiment of the present disclosure; as shown in fig. 3, the display screen specifically includes: a display panel 21, a first film layer 22, and a panel protective layer 23; the panel protection layer 23 comprises a foam layer 231, a second film layer 232 and a metal layer 233 which are stacked together in sequence from top to bottom;
the display panel 21, the first film layer 22 and the panel protection layer 23 are stacked together from top to bottom, and the first film layer 22 and the panel protection layer 23 are connected by a first connection layer 25; the panel protection layer 23 is connected with the substrate 24 through a third connecting layer 26; here, the third connection layer 26 is a conductive adhesive layer, and all portions of the third connection layer can be used as conductive channels for transferring charges in the panel protection layer and the first thin film layer into the substrate;
the panel protection layer 23 includes a conductive path connecting the first thin film layer 22 and the substrate 24, for introducing charges in the first thin film layer 22 into the substrate 24.
Here, the foam layer 231 includes conductive foam and non-conductive foam; the conductive channel comprises conductive foam in the foam layer. The distribution mode of the conductive foam and the non-conductive foam can be flexibly distributed according to actual requirements, for example, the conductive foam and the non-conductive foam are uniformly distributed or distributed in proportion, as shown in fig. 3, the conductive foam is located in the middle of the foam layer, and the non-conductive foam is located at the edge of the foam layer.
FIG. 4 is a diagram illustrating a second component structure of a display screen according to an embodiment of the present disclosure; as shown in fig. 4, the display screen specifically includes: a display panel 21, a first film layer 22, and a panel protective layer 23; the panel protection layer 23 comprises a foam layer 231, a second film layer 232 and a metal layer 233 which are stacked together in sequence from top to bottom;
the display panel 21, the first film layer 22 and the panel protection layer 23 are stacked together from top to bottom, and the first film layer 22 and the panel protection layer 23 are connected by a first connection layer 25; the panel protection layer 23 is connected with the substrate 24 through a third connecting layer 26; here, the third connection layer 26 is a layer including a non-conductive adhesive and a conductive foam as a conductive path for transferring charges in the panel protection layer and the first thin film layer into the substrate.
The panel protection layer 23 includes a conductive path connecting the first thin film layer 22 and the substrate 24, for introducing charges in the first thin film layer 22 into the substrate 24.
Here, the foam layer 231 includes conductive foam and non-conductive foam; the conductive channel comprises conductive foam in the foam layer. The distribution mode of the conductive foam and the non-conductive foam can be flexibly distributed according to actual requirements, for example, the conductive foam and the non-conductive foam are uniformly distributed or distributed in proportion, as shown in fig. 3, the conductive foam is located in the middle of the foam layer, and the non-conductive foam is located at the edge of the foam layer.
In practical application, the distribution mode of the conductive foam and the non-conductive adhesive in the third connection layer can be flexibly distributed according to actual requirements, so as to ensure the connection strength and the charge transfer capability of the display screen and the substrate, for example, the conductive foam and the non-conductive adhesive are uniformly distributed or distributed in proportion. As shown in fig. 4, the non-conductive adhesive is located in the middle of the panel protection layer 23, and the conductive foam is located on both sides of the non-conductive adhesive.
In some embodiments, the impedance of the first thin film layer is less than an impedance threshold; and/or the impedance of the second thin film layer is less than the impedance threshold. In practical applications, the charge accumulation can be avoided by changing the film material that is easy to accumulate charges, for example, the second film layer is replaced by a Polyethylene terephthalate (PET) film from a PI film, so as to reduce the resistance of the second film layer, thereby reducing the charge accumulation of the second film layer.
The embodiment of the present application further provides a flexible screen, which may be implemented based on any one of the above display screen structures, and fig. 5 is a schematic diagram of a fourth component structure of the display screen in the embodiment of the present application; as shown in fig. 5, the flexible screen is stacked from top to bottom with: the flexible screen comprises a glass cover plate 51, an optical acrylic adhesive 52, a circular polarizer 53, a display panel 54, a flexible screen base film 55, a first conductive adhesive layer 56, non-conductive foam 571 and conductive foam 572 in a foam layer, a PET film 58, a copper layer 59, conductive foam 5101 and a thermal de-bonding adhesive tape 5102 in a third connecting layer, wherein the flexible screen is fixed on a substrate 511 through the thermal de-bonding adhesive tape 5102.
As can be seen from fig. 5, the charges generated in the flexible screen base film 55 are sequentially introduced to the substrate 511 through the first conductive adhesive layer 56, the conductive foam 572, the PET film 58, the copper layer 59, and the conductive foam 5101, and the charges generated in the PET film 58 are sequentially introduced to the substrate 511 through the copper layer 59 and the conductive foam 5101, where the substrate 511 is a ground substrate. The problem of flexible screen abnormal display caused by static residue is effectively improved.
In practical application, the second thin film layer adopts a PET thin film with lower impedance to reduce the charge accumulation of the second thin film layer.
Adopt above-mentioned technical scheme, the display screen includes: a display panel, a first film layer and a panel protection layer; the display panel, the first film layer and the panel protection layer are stacked together from top to bottom, and the panel protection layer is connected with a substrate of electronic equipment so that the display screen is fixed on the substrate; the panel protection layer comprises a conductive channel which is communicated with the first thin film layer and the substrate and is used for guiding charges in the first thin film layer into the substrate. Therefore, the electric charges in the first thin film layer and the panel protection layer are led into the substrate by the aid of the conductive channels arranged in the protection panel, and the display effect of the display panel is prevented from being influenced by the electric charges in the first thin film layer or the panel protection layer.
An embodiment of the present application further provides an electronic device, as shown in fig. 6, the electronic device includes: a display 601 and a substrate 602; the display 601 is fixed on the substrate 602. The display screen is any one of the following:
in some embodiments, the first film layer and the panel protective layer are connected by a first tie layer; the first connecting layer is a conductive adhesive layer and is used for guiding charges in the first thin film layer to a conductive channel of the panel protective layer.
In some embodiments, the panel protection layer comprises a foam layer, a second film layer and a metal layer which are stacked together in sequence from top to bottom; the foam layer is connected with the first thin film layer through the first conductive adhesive layer, and the metal layer is connected with the substrate; the conductive channel is also used for introducing charges in the second thin film layer into the substrate.
In some embodiments, the foam layer comprises conductive foam and non-conductive foam; the conductive channel comprises conductive foam in the foam layer.
In some embodiments, the conductive foam is located in the middle of the foam layer, and the non-conductive foam is located at the edge of the foam layer.
In some embodiments, the second thin film layer and the metal layer are connected through a second connecting layer; the second connecting layer is a conductive adhesive layer.
In some embodiments, the impedance of the first thin film layer is less than an impedance threshold; and/or the impedance of the second thin film layer is less than the impedance threshold.
In some embodiments, the panel protection layer and the substrate are connected through a third connection layer; the third connecting layer is a conductive adhesive layer, or the third connecting layer comprises non-conductive adhesive and conductive foam.
In some embodiments, the non-conductive adhesive is located in the middle of the panel protection layer, and the conductive foam is located on two sides of the non-conductive adhesive.
In the several embodiments provided in the present application, it should be understood that the disclosed display screen may be implemented in other ways. The above-described display screen embodiments are merely illustrative, and the display screen structures disclosed in the several display screen embodiments provided in the present application can be arbitrarily combined to obtain a new display screen embodiment without conflict.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
The features disclosed in the several method or apparatus embodiments provided in the present application may be combined arbitrarily, without conflict, to arrive at new method embodiments or apparatus embodiments.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (9)

1. A display screen applied to an electronic device, the display screen comprising: a display panel, a first film layer and a panel protection layer; wherein the content of the first and second substances,
the display panel, the first film layer and the panel protection layer are stacked together from top to bottom, and the panel protection layer is connected with a substrate of electronic equipment, so that the display screen is fixed on the substrate;
the panel protection layer comprises a conductive channel which is communicated with the first thin film layer and the substrate and is used for guiding charges in the first thin film layer into the substrate;
the first film layer is connected with the panel protective layer through a first connecting layer; the first connecting layer is a conductive adhesive layer and is used for guiding charges in the first thin film layer into a conductive channel of the panel protective layer.
2. The display screen of claim 1, wherein the panel protection layer comprises, from top to bottom, a foam layer, a second film layer and a metal layer stacked together in sequence;
the foam layer is connected with the first thin film layer through the first connecting layer, and the metal layer is connected with the substrate; the conductive channel is also used for introducing charges in the second thin film layer into the substrate.
3. A display screen as recited in claim 2, wherein the foam layer comprises conductive foam and non-conductive foam; the conductive channel comprises conductive foam in the foam layer.
4. The display screen of claim 3, wherein the conductive foam is located in the middle of the foam layer, and the non-conductive foam is located at the edge of the foam layer.
5. The display screen of claim 3, wherein the second thin film layer and the metal layer are connected by a second connecting layer; the second connecting layer is a conductive adhesive layer.
6. Display screen according to claim 3,
the impedance of the first thin film layer is less than an impedance threshold;
and/or the impedance of the second thin film layer is less than the impedance threshold.
7. The display screen according to any one of claims 1 to 6, wherein the panel protective layer and the substrate are connected through a third connecting layer;
the third connecting layer is a conductive adhesive layer, or the third connecting layer comprises non-conductive adhesive and conductive foam.
8. The display screen of claim 7, wherein the non-conductive adhesive is located in the middle of the panel protection layer, and the conductive foam is located on two sides of the non-conductive adhesive.
9. An electronic device, characterized in that the device comprises: a display screen and a substrate; the display screen is fixed on the substrate; the display screen is according to any one of claims 1-8.
CN201910950067.4A 2019-10-08 2019-10-08 Display screen and electronic equipment comprising same Active CN110728902B (en)

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CN111179759B (en) * 2020-02-12 2022-01-28 京东方科技集团股份有限公司 Folding structure and folding display device

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KR100899953B1 (en) * 2008-08-05 2009-06-01 최철수 A manufacture method of electro conductive grounding gasket
US8269912B2 (en) * 2009-02-20 2012-09-18 Amtran Technology Co., Ltd. Display device for preventing electromagnetic interference
CN203313510U (en) * 2013-05-31 2013-11-27 康惠(惠州)半导体有限公司 Antistatic module structure with adhered TP and LCD (liquid crystal display)
CN105096764B (en) * 2015-07-29 2018-02-06 佛吉亚好帮手电子科技有限公司 A kind of LCDs electrostatic protection apparatus and preparation method thereof
CN105592679B (en) * 2016-03-09 2018-07-13 深圳市华星光电技术有限公司 PCB fixed structures and liquid crystal display device
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