CN112116879A - Multi-curved-surface display device - Google Patents
Multi-curved-surface display device Download PDFInfo
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- CN112116879A CN112116879A CN202011097202.4A CN202011097202A CN112116879A CN 112116879 A CN112116879 A CN 112116879A CN 202011097202 A CN202011097202 A CN 202011097202A CN 112116879 A CN112116879 A CN 112116879A
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- 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
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Abstract
A multi-curved display device, comprising: a cover plate having at least one cover plate bending area; the display panel is arranged on the inner side of the cover plate and is provided with a main display area, a binding area and a bending area connected between the main display area and the binding area, and the main display area, the binding area and the bending area are enclosed to form an accommodating space; the supporting body is accommodated in the accommodating space and is used for supporting the main display area and the binding area; the area of the bending area is larger than that of the cover plate bending area, and the bending area is partially contained in the inner side of the cover plate bending area.
Description
Technical Field
The application relates to the technical field of display devices, in particular to a multi-curved-surface display device.
Background
With the change of aesthetic level of people and the development of mobile terminal products, people gradually pursue the appearance of a mobile phone terminal with a smooth curve, and numerous curved screen terminals, such as samsung S9, millet CC 9pro (low curvature screen), Vivo nex3, hua mei 30 (large curvature waterfall screen), and the like, appear in the market, and the mobile phone terminals are both curved on two sides, that is, double-curved. The double-faced curved screen has various products and perfect technical research, the four-faced curved screen gradually draws the attention of the market due to the advantages of more beautiful arcs, differentiated appearance, no frame on four sides in front view and the like, and the four-faced curved screen is one of the inevitable trends in the development of mobile phone terminals.
The bottom of the display panel 300 has dense routing areas and bonding areas, which are called terminal areas (also called bonding areas, or external routing areas). A process of bending the terminal region to the rear surface of the display panel 300 is called a terminal bending (pad bending) process for the purpose of narrowing a bezel (border). Referring to fig. 1A and 1B, fig. 1A is a schematic structural diagram of a display surface of a conventional display panel, and fig. 1B is a schematic structural diagram of a non-display surface of a conventional display panel, as shown in fig. 1A, the display panel 300 includes a main display area (Active area)310, a bending area 320, and a binding area 330, and the binding area 330 is connected to a driving chip (IC) 218.
Referring to fig. 2, fig. 2 is a schematic cross-sectional structure view of a lower boundary of a display module of a non-curved screen and a hyperbolic screen; as shown in fig. 2, a display module is disposed at one side of a cover plate 200, the cover plate 200 is a flat cover plate, the display module includes a display panel 300, and a state of the display panel 300 after a terminal bending (Pad bending) process is performed is specifically as shown in fig. 2, since a terminal bending (Pad bending) region of the display panel 300 at a lower boundary (border) does not enter a curved region, the bonding region 320 is parallel to the non-bonding region 310, and a stress state is relatively single.
In the prior art, in some conventional four-curved-surface screens, the four-curved-surface screen includes a cover plate 200, please refer to fig. 3, fig. 3 is a schematic structural diagram of the cover plate in the four-curved-surface screen, as shown in fig. 3, upper, lower, left and right sides of one cover plate 200 of the four-curved-surface screen are curved, the cover plate 200 includes a straight area 201 and a plurality of cover plate bending areas 202, the plurality of cover plate bending areas 202 are in smooth transition connection with the straight area 201, and an angle range of the cover plate bending area 202 relative to the straight area 201 is 80 ° to 160 °. And the four-curved panel further includes a display panel, the terminal area of the display panel may enter the cover plate bending area 202 after a terminal bending (Pad bending) process, and the display panel is also bent due to being attached to the cover plate 200. However, since the metal traces in the region outside the bending region of the display panel are dense and there is no design of the bending region such as trace changing and organic polyimide filling, if the terminal enters the cover plate bending region 202 after the terminal bending (pad bending) process, the metal traces may be broken, and therefore, in order to prevent the metal traces from being broken in the bending region, it is necessary to develop a new multi-curved display device particularly suitable for a four-curved panel.
Disclosure of Invention
The embodiment of the application provides a multi-curved-surface display device, which comprises a display panel, wherein a main display area of the display panel is attached to the inner side of a cover plate, a bending area is obtained through a terminal bending process, the bending area is configured between the main display area and a binding area, the binding area and the main display area are arranged oppositely, the area of the bending area is larger than the area of the bending area of the cover plate, the bending area is locally contained in the inner side of the bending area of the cover plate to expand the bending area, the bending area comprises metal wire changing and routing, the problem that the binding area of the multi-curved-surface display device, particularly a four-curved-surface screen, enters the bending area of the cover plate after the corresponding terminal bending process, and metal routing is prone to fracture is solved.
The application provides a many curved surfaces display device, includes: a cover plate having at least one cover plate bending area; the display panel is arranged on the inner side of the cover plate and is provided with a main display area, a binding area and a bending area connected between the main display area and the binding area, and the main display area, the binding area and the bending area are enclosed to form an accommodating space; the supporting body is accommodated in the accommodating space and is used for supporting the main display area and the binding area; the area of the bending area is larger than that of the cover plate bending area, and the bending area is partially contained in the inner side of the cover plate bending area.
In some embodiments, the main display area is a curved quadrilateral, the bending area is disposed on at least one edge of the main display area, and the binding area is connected to the bending area and disposed on the back of the main display area.
In some embodiments, the main display area includes a planar area and an arc-shaped area, the bending area includes a first bending area and a second bending area, wherein the planar area, the arc-shaped area, the first bending area, the second bending area and the binding area are sequentially and smoothly connected into a whole, the arc-shaped area and the second bending area are respectively opposite to the cover plate bending area and are contained inside the cover plate bending area, the binding area is opposite to the planar area, the planar area and the binding area are respectively opposite to two side surfaces of the support, and the first bending area is arranged outside the cover plate bending area.
In some embodiments, the curved surface area and the second bending area are both curved in the same direction as the curved area of the cover plate, wherein the curved surface area and the second bending area are C-shaped.
In some embodiments, the multi-curved-surface display device further includes a back plate film disposed on a side of the display panel close to the support, and a heat dissipation layer disposed between the back plate film and the support, wherein the back plate film is respectively attached to the main display area, the binding area, and the second bending area.
In some embodiments, the main display area includes a light emitting unit and a driving signal line, the bending area includes a metal line-changing wire, a driving chip is bound in the binding area, the driving signal line is electrically connected to the metal line-changing wire, and the driving chip is electrically connected to the light emitting unit through the driving signal line and the metal line-changing wire to drive the light emitting unit to emit light.
In some embodiments, the multi-curved-surface display device further includes a first adhesive disposed on the outer peripheral surface of the second bending region away from the supporting body and covering the second bending region.
In some embodiments, the multi-curved-surface display device further includes a polarizer and a second adhesive, the polarizer is disposed between the cover plate and the main display area, and the second adhesive is disposed between the polarizer and the main display area.
In some embodiments, the first adhesive body is made of an ultraviolet light curable adhesive, and the second adhesive body is made of a transparent optical adhesive.
In some embodiments, a flexible circuit board is connected to the bonding region, and the flexible circuit board is electrically connected to the main display region through the bonding region to drive the main display region to emit light.
The application discloses a multi-curved-surface display device, including an apron, a display panel and a supporter, display panel is including the main display area, the bending zone that connect gradually and binding the district, the bending zone is disposed the main display area with bind between the district, the apron includes an apron bending zone, obtains through terminal bending process the bending zone, makes binding the district with the main display area sets up relatively, the bending zone part is acceptd in the inboard of apron bending zone, the regional area of bending zone is greater than the regional area of apron bending zone, through will the bending zone enlarges, wherein, the bending zone includes that the metal trades the line to walk the line to and pack a large amount of organic polyimide in the bending zone, in order to solve the binding zone of multi-curved-surface display device especially four curved-surface screen can get into behind corresponding terminal bending process the apron bending zone, and the problem that the metal wiring is easy to break occurs.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1A is a schematic diagram of a display surface of a conventional display panel in the prior art;
FIG. 1B is a schematic diagram of a non-display surface of the conventional display panel shown in FIG. 1A;
FIG. 2 is a schematic cross-sectional structure view of the lower boundary of a display module of a non-curved screen and a hyperbolic screen;
FIG. 3 is a schematic structural diagram of a cover plate in a four-curved-surface screen;
FIG. 4A is a schematic diagram of a display surface of a display panel of a quad flat panel display according to an embodiment of the present disclosure;
FIG. 4B is a schematic diagram illustrating a structure of a non-display surface of a display panel of a quad flat panel display according to an embodiment of the present disclosure;
FIG. 5 is a schematic cross-sectional view of a conventional display module in a quad flat panel display;
fig. 6 is a schematic cross-sectional structure view of a display module of a four-curved-surface screen according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Specifically, please refer to fig. 4A, fig. 4B and fig. 6. FIG. 4A is a schematic diagram of a display surface of a display panel of a quad flat panel display according to an embodiment of the present disclosure; FIG. 4B is a schematic diagram illustrating a structure of a non-display surface of a display panel of a quad flat panel display according to an embodiment of the present disclosure; fig. 6 is a schematic cross-sectional structure view of a flexible display module of a four-curved-surface screen according to an embodiment of the present application. In this application, a many curved surfaces display device is provided, many curved surfaces display device has the flexibility, many curved surfaces display device is applicable to electronic equipment such as cell-phone screen, panel computer screen, curtain and exhibition window, many curved surfaces display device includes a display module assembly and an apron 200, the display module assembly has the flexibility, the display module assembly set up in one side of apron 200, the display module assembly includes the function rete of a plurality of range upon range of settings.
In this embodiment, as shown in fig. 6, the cover plate 200 includes a flat region 201 and a cover plate bending region 202 located on at least one side of the flat region 201, the cover plate bending region 202 is in smooth transition connection with the flat region 201, the inner side of the cover plate 200 is used for accommodating the display module, and the cover plate 200 and the display module are attached to each other to form the multi-curved-surface display device. In the present embodiment, the included angle between the cover plate bending region 202 and the flat region 201 is generally 80 ° to 160 °, and the included angle may be increased in subsequent processes, which is not described in detail herein. In other embodiments, the cover plate 200 may also have a circular arc structure. The Cover plate 200 may be selected from any one of a Glass Cover plate (CG) and a 3D Cover plate, and in this embodiment, the Cover plate is selected as a Glass Cover plate, and the Cover plate 200 may also be selected as a transparent Cover plate.
In the present application, as shown in fig. 6, the display module includes a display panel 300 and a supporting body 400. As shown in fig. 4A and 4B, the display panel 300 has a main display area 310, at least one binding area 330, and a bending area 320, wherein the bending area 320 is disposed between the main display area 310 and the binding area 330. In the present application, the bonding region 330 is disposed on the back surface of the main display region 310 and opposite to the main display region 310 through a terminal bending (Pad bonding) process, and at least one bending region 320 is obtained.
Especially, when the multi-curved-surface display device is a four-curved-surface screen, the main display area 310 is a curved quadrilateral, the bending area 320 is disposed on at least one boundary of the main display area 310, and the binding area 330 is connected to the bending area 320. And, the area of the bending region 320 is larger than the area of the cover plate bending region 202, and the bending region 320 is partially accommodated inside the cover plate bending region 202, in this embodiment, the area of the bending region 320 is enlarged to reduce the breakage of the metal traces inside the display panel 300.
In a specific embodiment, as shown in fig. 6, the main display region 310 includes a planar region 3101 and at least one arc-shaped region 3102, the bending region 320 includes a first bending region 3201 and a second bending region 3202, the planar region 3101, the arc-shaped region 3102, the first bending region 3201, the second bending region 3202 and the bonding region 330 are sequentially connected to each other, specifically, the plurality of arc-shaped regions 3102 are in smooth transition connection with the planar region 3101, the arc-shaped regions 3102 are in smooth transition connection with the first bending region 3201, the first bending region 3201 is in smooth transition connection with the second bending region 3202, and the second bending region 3202 is in smooth transition connection with the bonding region 330. In a preferred embodiment, the planar region 3101, the arc-shaped region 3102, the first inflection region 3201, the second inflection region 3202 and the bonding region 330 are all connected in an integral structure.
In this embodiment, the planar region 3101 and the bonding region 330 are both planar and are disposed opposite to each other; the shapes of the second bending region 3202 and the arc-shaped surface region 3102 are matched and correspond to the shape of the cover plate bending region 202, the arc-shaped surface region 3102 and the second bending region 3202 are both contained inside the cover plate bending region 202, and the bending directions of the arc-shaped surface region 3102 and the second bending region 3202 are consistent with the bending direction of the cover plate bending region 202 and are approximately concave.
As shown in fig. 6, after the display panel 300 is bent, the planar region 3101, the arc-shaped region 3102, the first bending region 3201, the second bending region 3202, and the bonding region 330 of the main display region 310 are enclosed to form an accommodating space 340, in order to avoid the second bending region 3202 of the bending region 320 being in a suspended state, the supporting body 400 needs to be filled in the accommodating space 340, one side surface of the supporting body 400 is disposed opposite to the planar region 3101 and the arc-shaped region 3102 of the main display region 310, the other side surface of the supporting body 400 is disposed opposite to the second bending region 3202 and the bonding region 330 of the bending region 320, and the first bending region 3201 is disposed outside the cover plate bending region 202. The supporting body 400 supports the second bending region 3202, so as to avoid reduction of the shock resistance of the display panel 300 due to the suspension state of the second bending region 3202, and make the metal traces of the bending region 320 not easy to break.
In the present application, the support 400 may be one or more layers of polymer material, for example, at least one of polyethylene terephthalate (PET), foam tape (foam tape), and acryl. The material of the supporting body 400 may also be a rubber material or a plastic material with good film forming property, and PET or acrylic rubber material with a certain thickness is coated on the two side surfaces of the supporting body 400 so as to facilitate adhesion.
In this embodiment, the second bending region 3202 is C-shaped, the opening direction of the C-shaped region is the direction in which the cover bending region 202 points to the arc-shaped region 3102 and the second bending region 3020, and the first bending region 3201 is disposed outside the supporting body 400, the first bending region 3201 is U-shaped, and the opening direction of the U-shaped region faces to the side of the supporting body 400.
It should be noted that, in the present application, the display panel 300 includes a substrate base plate (not shown), and the substrate base plate is selected as an organic Polyimide (PI), so as to ensure that the display panel 300 has flexibility, and to achieve the effect of reducing the breakage of the metal routing of the display panel 300.
Referring to fig. 6, the multi-curved display device further includes a back film 410, wherein the back film 410 is disposed on a side of the display panel 300 close to the supporting body 400, the back film 410 is disposed opposite to the planar region 3101, the arc region 3102, the bonding region 330, and the second bending region 3202, the back film 410 is closely attached to the main display region 310, the bonding region 330, and the second bending region 3202, and the back film 410 is used for flattening the display panel 300.
Referring to fig. 6, the multi-curved-surface display device further includes a heat dissipation layer 420, the heat dissipation layer 420 is disposed on a side of the back plate film 410 away from the main display area 310, the heat dissipation layer 420 is disposed between the back plate film 410 and the supporting body 400, and the heat dissipation layer 420 helps to improve heat dissipation of the display panel 300. In this embodiment, the heat dissipation layer 420 is at least one layer of heat dissipation composite or at least one layer of gasket.
It should be noted that the flexible display device further includes a circuit board 620, the circuit board 620 is disposed on the back of the main display area 310, and the circuit board 620 is connected to one of the binding areas 330 of the display panel 300, which is equivalent to that the circuit board 620 is electrically connected to the main display area 310 through the binding area 330, so as to drive the main display area 310 to emit light. The circuit board 16 may be, for example, a Flexible circuit board (FPC).
As further shown in fig. 6, a driver chip 610 is further bound in the binding region 330, in this embodiment, the driver chip 610 needs to be mounted on the binding region 330, and the circuit board 620 supplies power to the driver chip 610 and provides various signals. In the embodiment of the present application, the manner of mounting the driving chip 610 on the bonding region 330 includes, but is not limited to, a manner of using a Chip On Film (COF) and a manner of using a Chip On Panel (COP).
In this embodiment, the main display area 310 includes a light emitting unit and a driving signal line, the bending area 320 includes a metal line-changing line, the metal line-changing line is electrically connected to the driving signal line, the metal line-changing line helps to reduce the density of the driving signal line, and the driving chip 610 is electrically connected to the light emitting unit through the driving signal line and the metal line-changing line to drive the light emitting unit to emit light. That is, the metal wire-changing routing is arranged in the bending region 320 to realize layer jump, so that the space utilization rate is further improved, and the purpose of reducing metal wire breakage is facilitated.
In some embodiments, the bonding area 330 includes a metal trace, the driving signal line of the main display area 310 is connected to the metal line-changing trace of the bending area 320, and is further connected to the metal trace of the bonding area 330, the bonding area 330 is located on the back side of the main display area 310 after being bent by the first bending area 3201 and the second bending area 3202, and the bonding area 330 is bent to the back side of the main display area 310, so as to implement the narrow frame design of the multi-surface display device to the maximum extent and improve the screen occupation ratio. On this basis, the bonding region 330 may further include a gate driving circuit. The number of the binding regions 330 is preferably any one of 1, 2, 3, or 4.
See also fig. 6. A first glue 510 is disposed on an outer peripheral surface of the bending region 320 facing away from the supporting body 400, and the first glue 510 covers the bending region 320. In this embodiment, the first adhesive 510 is made of an ultraviolet curable adhesive (UV adhesive), and the first adhesive 510 is used to prevent the metal wires of the bending region 320 from being broken.
See also fig. 6. The multi-curved-surface display device further includes an optical film layer disposed between the display module 100 and the cover plate 200, the optical film layer includes but is not limited to at least one of a Polarizer (POL), a touch layer (TP), or an optical adhesive layer.
In the preferred embodiment, the optical film includes a polarizer 520 and a second adhesive 530, the polarizer 520 is disposed between the cover plate 200 and the main display area 310, the second adhesive 530 is disposed between the polarizer 520 and the main display area 310, and the second adhesive 530 is used for bonding the polarizer 520 and the main display area 310. In this embodiment, the material of the second encapsulant 530 is transparent optical adhesive (OCA).
It should be comparatively explained that, in the conventional structure of the multi-curved-surface display screen, please refer to fig. 5, and fig. 5 is a schematic cross-sectional structure diagram of a conventional display module in a four-curved-surface display screen; as shown in fig. 5, the multi-curved-surface display screen includes a conventional display module and a cover plate 200, the cover plate 200 includes a flat region 201 and a cover plate bending region 202, as shown in fig. 2, the conventional display module includes a display panel 301 and a support body 401, the display panel 301 includes a main display region 311, at least one binding region 331 and a bending region 321 between the main display region 311 and the binding region 331, which are sequentially connected, wherein the main display region 311, the bending region 321 and the binding region 331 are sequentially connected and form an accommodating space 3011, and the support body 401 is accommodated in the accommodating space 3011 and is used for respectively supporting the main display region 311 and the binding region 331; moreover, the binding region 331 and the main display region 311 are disposed opposite to each other and are both contained in the cover plate 200, the curved shapes of the main display region 311 and the binding region 331 are the same as the curved shape of the cover plate 200, the bending region 321 is disposed at the side of the supporting body 400, and the bending region 321 is suspended at the side of the supporting body 401, that is, the area of the bending region 321 is smaller than the area of the cover plate curved region 202.
In addition, the conventional display module shown in fig. 5 further includes a back plate film 410, a heat dissipation layer 420, a first adhesive 510, a polarizer 520, a second adhesive 530, and other film layers, and further includes a driving chip 610, a circuit board 620, and other structures, and the film layers or structures are the same as or similar to those of the display module shown in fig. 6.
Compared to the design of the bending region 321 of the display panel 301 of the four-curved display screen in the prior art, the difference in the embodiment of the present application is that, as shown in fig. 6, the area of the bending region 320 of the display panel 300 is larger than the area of the cover bending region 202, the second bending region 3202 is contained inside the cover bending region 202, and the first bending region 3201 is located outside the cover bending region 202, which is equivalent to the bending region 320 being partially contained inside the cover bending region 202, and the area of the bending region 320 is enlarged to further reduce the breakage of the metal traces of the display panel 300.
In addition, in other embodiments, the display panel 300 may be, for example, an OLED display panel, or a Micro-LED display panel, or a Quantum Dot Light Emitting Diodes (QLED) display panel.
The application discloses many curved surface display device, including a apron 200, a display panel 300 and a supporter 400, display panel 300 is including the main display area 310, the district 320 of buckling and binding 330 that connect gradually, the district 320 of buckling is disposed main display area 310 with bind between the district 330, apron 200 includes a apron bending area 202, makes through terminal bending process the district 330 of buckling passes behind the apron bending area 202 and with main display area 310 sets up relatively, in order to obtain the district 320 of buckling, the district 320 of buckling is located the inboard of apron bending area 202, through will the district 320 of buckling enlarges, makes the regional area of the district 320 of buckling is greater than the regional area of the apron bending area 202, and the district 320 of buckling sets up the metal and trades the line to and fill a large amount of organic polyimide, in order to solve among the prior art the many curved surface display device especially four curved surface screens the district 330 of buckling binds at corresponding terminal 330 The metal traces are prone to break when the process enters the bending region 202 of the cover plate.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing describes in detail a multi-curved-surface display device provided in an embodiment of the present application, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the foregoing embodiment is only used to help understand the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A multi-curved-surface display device, comprising:
a cover plate having at least one cover plate bending area;
the display panel is arranged on the inner side of the cover plate and is provided with a main display area, a binding area and a bending area connected between the main display area and the binding area, and the main display area, the binding area and the bending area are enclosed to form an accommodating space;
the supporting body is accommodated in the accommodating space and is used for supporting the main display area and the binding area; wherein the content of the first and second substances,
the area of the bending area is larger than that of the cover plate bending area, and the bending area is locally contained in the inner side of the cover plate bending area.
2. The multi-curved-surface display device according to claim 1, wherein the main display area is a curved quadrilateral, the bending area is disposed on at least one edge of the main display area, and the binding area is connected to the bending area and disposed on the back of the main display area.
3. The multi-curved-surface display device according to claim 2, wherein the main display area comprises a planar area and an arc-shaped area, the bending area comprises a first bending area and a second bending area, the planar area, the arc-shaped area, the first bending area, the second bending area and the binding area are sequentially and smoothly connected into a whole, the arc-shaped area and the second bending area are respectively arranged opposite to the cover plate bending area and are contained inside the cover plate bending area, the binding area is arranged opposite to the planar area, the planar area and the binding area are respectively arranged opposite to two side surfaces of the support body, and the first bending area is arranged outside the cover plate bending area.
4. The multi-curved-surface display device according to claim 3, wherein the curved surface areas and the second bending area are both curved in the same direction as the curved area of the cover plate, and the curved surface areas and the second bending area are C-shaped.
5. The multi-curved-surface display device according to claim 4, further comprising a back film disposed on a side of the display panel close to the support, and a heat dissipation layer disposed between the back film and the support, wherein the back film is attached to the main display area, the binding area, and the second bending area.
6. The multi-curved-surface display device according to claim 5, wherein the main display area includes a light emitting unit and a driving signal line, the bending area includes a metal line-changing trace, a driving chip is bound in the binding area, the driving signal line is electrically connected to the metal line-changing trace, and the driving chip is electrically connected to the light emitting unit through the driving signal line and the metal line-changing trace to drive the light emitting unit to emit light.
7. The multi-surface display device according to claim 6, further comprising a first adhesive disposed on the outer peripheral surface of the second bending region away from the supporting body and covering the second bending region.
8. The multi-curved display device as claimed in claim 7, further comprising a polarizer and a second adhesive, wherein the polarizer is disposed between the cover plate and the main display region, and the second adhesive is disposed between the polarizer and the main display region.
9. The multi-curved-surface display device according to claim 8, wherein the first adhesive is an ultraviolet-curable adhesive, and the second adhesive is a transparent optical adhesive.
10. The multi-curved display device as claimed in claim 9, wherein a flexible circuit board is connected to the bonding region, and the flexible circuit board is electrically connected to the main display region through the bonding region to drive the main display region to emit light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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