CN114023907B - Display panel - Google Patents
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- CN114023907B CN114023907B CN202111291380.5A CN202111291380A CN114023907B CN 114023907 B CN114023907 B CN 114023907B CN 202111291380 A CN202111291380 A CN 202111291380A CN 114023907 B CN114023907 B CN 114023907B
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- 239000002245 particle Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
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- 239000004744 fabric Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 133
- 239000010408 film Substances 0.000 description 26
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 239000006260 foam Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- H10K50/868—Arrangements for polarized light emission
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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
-
- 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
-
- 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
- H10K59/80—Constructional details
- H10K59/88—Dummy elements, i.e. elements having non-functional features
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Polarising Elements (AREA)
Abstract
The embodiment of the application discloses a display panel, which comprises: a cover plate; the flexible display screen comprises a first component, a second component and a third component; the polaroid is positioned between the cover plate and the first component part, and at least part of the area of the side wall of the polaroid is a conductive area; a ground layer; the first conducting layer is arranged on the surface of the second component part of the flexible display screen, one end of the first conducting layer is electrically connected with the conducting area of the side wall of the polaroid, and the other end of the first conducting layer is electrically connected with the grounding layer through the second conducting layer, so that when the surface of one side of the cover plate, which is far away from the flexible display screen, is subjected to friction to generate electric charge, the electric charge can be transited to the conducting area of the side wall of the polaroid through the side surface of the display panel, and then is transmitted to the grounding layer through the first conducting layer and the second conducting layer to be released, and the phenomenon that the display brightness of a display picture of the display panel is uneven due to the electric charge generated by friction on the surface of the cover plate is avoided.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel.
Background
With the development of display technology, the application of display panels is becoming more and more popular, and the display panels have become an integral part of electronic tools essential for daily life and work of people. Among them, an OLED (organic light-Emitting Diode), also called as an organic light-Emitting Diode, has advantages of light and thin, high brightness, low power consumption, fast response, high definition, good flexibility, high luminous efficiency, and the like, and is becoming popular with people. However, in the current OLED display panel, uneven display brightness of the display screen often occurs during the use process.
Disclosure of Invention
In order to solve the above problems, the embodiments of the present application provide a display panel, so as to solve the problem that uneven display brightness of a display screen often occurs in the use process of the current OLED display panel.
Specifically, the application provides the following scheme:
a display panel, comprising:
a cover plate;
the flexible display screen comprises a first component, a second component and a third component; the first component part is positioned on one side of the cover plate, the third component part is positioned on one side of the first component part, which is away from the cover plate, and the second component part is a bending part and is connected with the first component part and the third component part;
the polaroid is positioned between the cover plate and the first component part, and at least part of the side wall of the polaroid is a conductive area;
a support structure including a first support portion located at a side of the first component remote from the cover plate and a second support portion located at a side of the third component toward the cover plate;
a ground layer located between the first support portion and the second support portion;
the first conductive layer is positioned on the surface of the second component part of the flexible display screen, one end of the first conductive layer is electrically connected with the conductive area of the side wall of the polaroid, and the other end of the first conductive layer is electrically connected with the grounding layer through the second conductive layer.
Optionally, in the plane of the polarizer, the conductive area of the polarizer is in a shape of a closed pattern.
Optionally, the polarizer includes a plurality of laminated film layers, at least one of the plurality of laminated film layers is a conductive layer, and the impedance value range is 10 3 ～10 11 Ω。
Optionally, in the plane of the polarizer, the polarizer includes a first portion and a second portion surrounding the first portion, the second portion is a conductive portion, and the impedance value range is 10 3 ～10 11 Ω。
Optionally, the second portion of the polarizer is an antistatic coating.
Optionally, the second portion of the polarizer is a carbonized edge formed when the polarizer is cut by a laser.
Alternatively, when the polarizer is cut by laser, the larger the energy of the laser is, the slower the cutting speed is, and the stronger the conductivity of the formed carbonized edge is.
Optionally, the first conductive layer is a UV glue layer with conductive particles.
Optionally, the conductive particles are organic conductive particles or inorganic conductive particles.
Optionally, the impedance of the first conductive layer ranges from 10 3 ～10 11 Ω。
Optionally, the second conductive layer is conductive cloth.
Optionally, the ground layer is a copper layer, and the copper layer is electrically connected with a ground point on the display panel.
Compared with the prior art, the scheme of the application has the following advantages:
in the display panel provided by the embodiment of the application, one end of the first conductive layer is electrically connected with the conductive area of the side wall of the polaroid, and the other end of the first conductive layer is electrically connected with the grounding layer through the second conductive layer, so that a charge transmission path is established between the conductive area of the side wall of the polaroid and the grounding layer, and further, when the surface of one side of the cover plate, which is far away from the flexible display screen, is subjected to friction to generate charges, the charges can be transited to the conductive area of the side wall of the polaroid through the side surface of the display panel, and then the charges are transmitted to the grounding layer through the first conductive layer and the second conductive layer to be released, so that the phenomenon of uneven display brightness of a display picture of the display panel caused by the charges generated by friction on the surface of the cover plate is avoided.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the application;
fig. 2 is a schematic structural diagram of a flexible display screen in a flattened state in a display panel according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a flexible display screen in a bent state in a display panel according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a display panel according to another embodiment of the present application;
FIG. 5 is a top view of a polarizer in a display panel according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a polarizer in a display panel according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a polarizer in a display panel according to another embodiment of the present application;
FIG. 8 is a schematic view of a polarizer in a display panel according to another embodiment of the present application;
FIG. 9 is a schematic diagram of a polarizer in a display panel according to another embodiment of the present application;
FIG. 10 is a schematic view of a polarizer in a display panel according to another embodiment of the present application;
fig. 11 is a schematic structural view of a polarizer in a display panel according to still another embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
As described in the background art, in the current OLED display panel, uneven display brightness of the display screen often occurs during the use process.
The inventor researches and discovers that the current OLED display panel generally comprises an OLED display screen, a cover plate located on the display side of the OLED display screen and a support film located on the non-display side of the OLED display screen, wherein the cover plate and the support film are made of high-resistance materials, and during the use process of the OLED display panel, the surface of the cover plate is rubbed to generate charges, static electricity is easily attracted, and the static electricity can enter the OLED display screen from the side surface of the OLED display panel. Because the OLED display screen has no effective static electricity leading-out path, when static electricity enters the OLED display screen, moon line can randomly occur, so that electrons on the surface of an active layer in a part of areas of the OLED display panel enter a buffer layer below the active layer, defects of the buffer layer are increased, the threshold voltage of a thin film transistor comprising the active layer is positively biased, and then current flowing in the thin film transistor is increased under the same voltage, and the display brightness of a display area corresponding to the thin film transistor is biased, so that the display brightness of a display picture is uneven.
In view of this, an embodiment of the present application provides a display panel, as shown in fig. 1, which includes:
a cover plate 10;
a flexible display 20, which includes a first component 21, a second component 22, and a third component 23, where the first component 21 is located on one side of the cover 10, the third component 23 is located on one side of the first component 21 away from the cover 10, and the second component 22 is a bending part and connects the first component 21 and the third component 23;
a polarizer 30, wherein the polarizer 30 is located between the cover plate 10 and the first component 21, and at least part of the side wall of the polarizer 30 is a conductive area;
a support structure including a first support portion 41 located at a side of the first component portion 21 away from the cover plate 10 and a second support portion 42 located at a side of the third component portion 23 toward the cover plate 10, wherein the first support portion 41 is used for supporting the first component portion 21, and the second support portion 42 is used for supporting the third component portion 23;
a ground layer 50, the ground layer 50 being located between the first support 41 and the second support 42;
and a first conductive layer 60, wherein the first conductive layer 60 is located on the surface of the second component 22 of the flexible display screen, one end of the first conductive layer 30 is electrically connected to the conductive region of the side wall of the polarizer 30, and the other end is electrically connected to the ground layer 50 through the second conductive layer 70, so as to establish a charge transmission path between the conductive region of the side wall of the polarizer 30 and the ground layer 50.
In the display panel provided by the embodiment of the application, one end of the first conductive layer is electrically connected with the conductive area of the side wall of the polaroid, and the other end of the first conductive layer is electrically connected with the grounding layer through the second conductive layer, so that a charge transmission path is established between the conductive area of the side wall of the polaroid and the grounding layer, and further, when the surface of one side of the cover plate, which is far away from the flexible display screen, is subjected to friction to generate charges, the charges can be transited to the conductive area of the side wall of the polaroid through the side surface of the display panel, and then the charges are transmitted to the grounding layer through the first conductive layer and the second conductive layer to be released, so that the phenomenon of uneven display brightness of a display picture of the display panel caused by the charges generated by friction on the surface of the cover plate is avoided.
Specifically, in one embodiment of the present application, the flexible display screen is an OLED display screen, as shown in fig. 2, and the flexible display screen includes:
a flexible base film 201, the flexible base film 201 comprising a first flexible base film portion 2011, a second flexible base film portion 2012, and a third flexible base film portion 2013, the second flexible base film portion 2012 being located between the first flexible base film portion 2011 and the third flexible base film portion 2013;
the display module 202 is located on the first surface of the first flexible base film 2011;
the first flexible base film 2011 and the display module 202 disposed on the surface thereof are components of the first component 21 of the flexible display screen, the second flexible base film 2012 is a component of the second component 22 of the flexible display screen, and the third flexible base film 2013 is a component of the third component 23 of the flexible display screen.
It should be noted that, in the manufacturing process of the display panel, the flexible display screen at least includes a flattened state and a bent state, where in the flattened state, as shown in fig. 2, the first component 21, the second component 22 and the third component 23 are located in a same plane, and in the bent state, as shown in fig. 1, the second component 22 is in a bent state, and the first component 21 and the third component 23 are not located in a same plane. It should be further noted that after the display panel is manufactured, the second component and the third component of the flexible display screen may bend towards the non-display side of the flexible display screen, so that the third component is located at a side of the first component away from the cover plate.
On the basis of the above embodiment, in one embodiment of the present application, as shown in fig. 3, after the display panel is manufactured, a circuit board 203 is further bound to a side of the third component part 23 away from the first component part 11, so as to control the display of the display module 202 by using the circuit board 203. Optionally, in an embodiment of the present application, the circuit board is also electrically connected to the ground layer, so that static electricity generated in the circuit board may be discharged by using the ground layer.
On the basis of any one of the foregoing embodiments, in one embodiment of the present application, the ground layer is a copper layer, and the copper layer is electrically connected to a ground point on the display panel, so that the copper layer may serve as the ground layer. Specifically, in one embodiment of the present application, the display panel further includes a housing, and a ground point is disposed on the housing, and the copper layer is electrically connected to the ground point, so that the copper layer may serve as a ground layer. It should be noted that, in the embodiment of the present application, the copper layer is located between the first supporting portion and the second supporting portion, that is, the copper layer is located between the first component and the third component, so that the copper layer may also be used as a shielding layer of the display module to shield signals in a circuit board of the third component, so as to avoid parasitic capacitance generated by signals in the circuit board on signals in the display module and influence on signals in the display module.
In addition, since the metal has better heat dissipation performance, in the embodiment of the application, when the ground layer is a copper layer, the ground layer can also be a heat dissipation layer of the display panel, so that the heat dissipation performance of the display panel is improved.
On the basis of any of the above embodiments, in one embodiment of the present application, as shown in fig. 4, the display panel further includes:
the foam layer 80 is located between the ground layer 50 and the first supporting portion 41, and is used for supporting a space between the first supporting portion 41 and the second supporting portion 42, so that the second component 22 has a larger bending radius, and breakage caused by bending of the second component 22 is avoided;
the bonding layer 90 is located between the foam layer 80 and the first supporting portion 41, and is used for bonding the foam layer 80 and the first supporting portion 41, and supporting the space between the first supporting portion 41 and the second supporting portion 42 together with the foam layer 80, so that the second component 22 has a larger bending radius, and breakage caused by over-bending of the second component 22 is avoided.
In the embodiment of the present application, the foam layer and the adhesive layer are insulating layers to ensure electrical insulation between the first component and the third component. Alternatively, in one embodiment of the present application, the adhesive layer is a prosthetic tape, but the present application is not limited thereto, and is specifically defined as the case may be.
On the basis of any of the above embodiments, in one embodiment of the present application, as shown in fig. 5, in the plane of the polarizer, the conductive area 31 of the polarizer is in a closed pattern, so that charges generated by friction on the surface of the cover plate can be attracted by the conductive area of the polarizer no matter where the charges transition from the side of the display panel to the directions of the polarizer and the flexible display screen, and are transferred to the ground layer through the charge transfer paths of the first conductive layer and the second conductive layer for release. It should be noted that, in the embodiment of the present application, the closed pattern may be annular or non-annular, which is not limited in the present application, as long as the conductive area of the polarizer is around the polarizer.
In one embodiment of the present application, the polarizer includes a plurality of laminated film layers, wherein at least one of the plurality of laminated film layers has an impedance value in a range of 10 3 ～10 11 And omega, so that the film layer is made of a low-resistance material, and when charges are generated on the surface of the cover plate due to friction, the charges can be guided to be transmitted to the grounding layer along the charge transmission paths of the first conductive layer and the second conductive layer for release.
Specifically, in one embodiment of the present application, as shown in fig. 6, the polarizer 30 includes a compensation layer 301, a polarization layer 302 and a protection layer 303 stacked, wherein at least one of the compensation layer 301, the polarization layer 302 and the protection layer 303 is a conductive layer, and the impedance value range thereof is 10 3 ～10 11 Omega, so that the film layer is made of low-resistance material, and can guide charge to be transmitted along the first conductive layer and the second conductive layer when the surface of the cover plate generates charges due to frictionThe path is transmitted to the ground layer for release. However, the present application is not limited thereto, and in other embodiments of the present application, the polarizer may further include other film layers, and at least two of the plurality of laminated film layers included in the polarizer may be conductive layers, and the impedance value range thereof is 10 3 ～10 11 And omega, when the surface of the cover plate generates charges due to friction, the charges are guided to be transmitted to the grounding layer along the charge transmission paths of the first conductive layer and the second conductive layer for release, and the charges are released according to the situation.
It should be noted that, when the surface of the cover plate is subjected to the film layer to generate charges, the generated charges mainly transition to the interior of the display panel through the sidewall of the display panel, so that, in one embodiment of the present application, in the plane of the polarizer, the polarizer includes a first portion 32 and a second portion 33 surrounding the first portion 32, and the second portion 33 is a conductive portion with an impedance ranging from 10 3 ～10 11 And omega, when charges are generated on the surface of the cover plate due to friction, the charges are guided to be transmitted to the grounding layer along the charge transmission paths of the first conductive layer and the second conductive layer by utilizing the second part of the polaroid for release.
When the polarizer includes a plurality of laminated film layers, the polarizer includes a first portion and a second portion surrounding the first portion, the second portion is a conductive portion, and the impedance of the second portion is in a range of 10 3 ～10 11 Omega may be any film layer of the polarizer including a first portion and a second portion surrounding the first portion, the second portion being a conductive portion having an impedance ranging from 10 3 ～10 11 Omega, can also be that each film layer in the polaroid comprises a first part and a second part surrounding the first part, wherein the second part is a conductive part, and the impedance value range is 10 3 ～10 11 Omega, the application is not limited thereto, as long as the second portion can guide the electric charge along the first conductive path when the surface of the cover plate generates the electric charge due to frictionAnd the layer and the charge transmission path of the second conductive layer are transmitted to the grounding layer for release.
Based on the above embodiments, in one embodiment of the present application, as shown in FIG. 10, the second portion 33 of the polarizer is an antistatic coating, so that the second portion 33 of the polarizer is a conductive layer with an impedance ranging from 10 3 ～10 11 Omega taking the polarizer comprising a laminated compensation layer, a polarizing layer and a protective layer as an example, after forming the laminated structure of the compensation layer, the polarizing layer and the protective layer, forming an antistatic coating on the side surface of the laminated structure, so that the polarizer comprises a first part and a second part surrounding the first part, wherein the second part is the antistatic coating, in other embodiments of the present application, the second part of the polarizer can be in other forms, and the present application is not limited thereto, and the second part is the antistatic coating as the case may be.
In another embodiment of the present application, as shown in FIG. 11, the second portion 33 of the polarizer is a carbonized edge formed when the polarizer is cut by laser, so that the second portion of the polarizer is a conductive layer with an impedance ranging from 10 3 ～10 11 Ω。
It should be noted that, when the polarizer is manufactured, a first-size polarizer is generally manufactured, then the first-size polarizer is cut by laser, and a second-size polarizer is cut, wherein the second-size polarizer is a finally assembled polarizer in the display panel, and the first size is larger than the second size. When the polaroid is cut by laser, a carbonized edge is formed on the side wall of the polaroid, so that the display panel provided by the embodiment of the application can use the carbonized edge of the polaroid as a conductive area of the side wall of the polaroid.
It should be further noted that, if it is desired to generate charges on the surface of the cover plate due to friction, the carbonized edge of the polarizer may successfully guide charges to the ground layer for release along the charge transmission paths of the first conductive layer and the second conductive layer, and the carbonized edge of the polarizer is required to satisfy the low resistance performance.
The inventor researches have found that when the polaroid is cut by laser, the laser energy and the laser speed adopted in the cutting process are related to the resistance of the carbonized edge of the polaroid, and in particular, when the polaroid is cut by the laser, the larger the energy of the laser is, the slower the cutting speed is, and the higher the conductivity of the carbonized edge is formed. Therefore, when the polaroid is cut by laser, the resistance of the carbonized edge of the polaroid can be controlled by controlling the energy and the cutting speed of the laser, so that when charges are generated on the surface of the cover plate due to friction, the charges can be successfully guided to be transmitted to the grounding layer along the charge transmission paths of the first conductive layer and the second conductive layer for release.
On the basis of any of the above embodiments, in one embodiment of the present application, as shown in fig. 1, the first conductive layer 60 is a UV glue with conductive particles, so that no additional structure is needed to be fixedly connected with the flexible display screen 20 while the first conductive layer 60 has conductivity, thereby simplifying the structure of the display panel and reducing the cost of the display panel.
Alternatively, on the basis of the above embodiment, in one embodiment of the present application, the conductive particles are inorganic conductive particles, and in another embodiment of the present application, the conductive particles are organic conductive particles, which is not limited in this regard, and the present application is specifically defined as the case may be.
In one embodiment of the present application, the impedance of the first conductive layer ranges from 10 3 ～10 11 Omega so that the first conductive layer has a higher charge transport capacity, but the application is not limited thereto, as the case may be.
On the basis of any of the above embodiments, in one embodiment of the present application, the second conductive layer is a conductive fabric, but the present application is not limited thereto, and in other embodiments of the present application, the second conductive layer may be other conductive structures, as the case may be.
Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, the conductive cloth is further electrically connected to a circuit board located in the third component, so as to release static electricity in the circuit board, and reduce static electricity interference suffered by the circuit board.
In summary, in the display panel provided by the embodiment of the application, one end of the first conductive layer is electrically connected with the conductive area of the side wall of the polarizer, and the other end of the first conductive layer is electrically connected with the ground layer through the second conductive layer, so that a charge transmission path is established between the conductive area of the side wall of the polarizer and the ground layer, and when the surface of one side of the cover plate far away from the flexible display screen is subjected to friction to generate charges, the charges can be transited to the conductive area of the side wall of the polarizer through the side surface of the display panel, and then the charges are transmitted to the ground layer through the first conductive layer and the second conductive layer to be released, so that the phenomenon of uneven display brightness of a display picture of the display panel caused by the charges generated by friction on the surface of the cover plate is avoided.
In the description, each part is described in a parallel and progressive mode, and each part is mainly described as a difference with other parts, and all parts are identical and similar to each other.
The features described in the various embodiments of the present disclosure may be interchanged or combined with one another in the description to enable those skilled in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A display panel, comprising:
a cover plate;
the flexible display screen comprises a first component, a second component and a third component; the first component part is positioned on one side of the cover plate, the third component part is positioned on one side of the first component part, which is away from the cover plate, and the second component part is a bending part and is connected with the first component part and the third component part;
the polaroid is positioned between the cover plate and the first component part, and at least part of the side wall of the polaroid is a conductive area;
a support structure including a first support portion located at a side of the first component remote from the cover plate and a second support portion located at a side of the third component toward the cover plate;
a ground layer located between the first support portion and the second support portion;
the first conductive layer is positioned on the surface of the second component part of the flexible display screen, one end of the first conductive layer is electrically connected with the conductive area of the side wall of the polaroid, and the other end of the first conductive layer is electrically connected with the grounding layer through the second conductive layer.
2. The display panel of claim 1, wherein the conductive areas of the polarizer are shaped as closed patterns in the plane of the polarizer.
3. The display panel of claim 1, wherein the polarizer comprises a plurality of laminated layers, at least one of the plurality of laminated layers being a conductive layer having an impedance ranging from 10 3 ～10 11 Ω。
4. The display panel of claim 1, wherein the polarizer comprises a first portion and a second portion surrounding the first portion in a plane of the polarizer, the second portion being a conductive portion having an impedance ranging from 10 3 ～10 11 Ω。
5. The display panel of claim 4, wherein the second portion of the polarizer is an antistatic coating.
6. The display panel of claim 4, wherein the second portion of the polarizer is a carbonized edge formed when the polarizer is cut using a laser.
7. The display panel of claim 6, wherein the greater the energy of the laser used to cut the polarizer, the slower the cutting speed, and the greater the conductivity of the resulting carbonized edge.
8. The display panel of claim 1, wherein the first conductive layer is a UV gel layer having conductive particles.
9. The display panel according to claim 8, wherein the conductive particles are organic conductive particles or inorganic conductive particles.
10. The display panel according to claim 1, wherein the impedance of the first conductive layer is in a range of 10 3 ～10 11 Ω。
11. The display panel of claim 1, wherein the second conductive layer is a conductive cloth.
12. The display panel of claim 1, wherein the ground layer is a copper layer that is electrically connected to a ground point on the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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