CN109616023B - Display device - Google Patents
Display device Download PDFInfo
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- CN109616023B CN109616023B CN201910149375.7A CN201910149375A CN109616023B CN 109616023 B CN109616023 B CN 109616023B CN 201910149375 A CN201910149375 A CN 201910149375A CN 109616023 B CN109616023 B CN 109616023B
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- data line
- region
- display panel
- panel
- electrically connected
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3266—Details of drivers for scan electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention provides a display device, relates to the technical field of display, and can realize routing of wires in a display panel on the back of the display panel, so that wires do not need to be wound in a non-display area of the display panel, the space of the non-display area is saved, and the design of a narrow frame is facilitated. The display device includes: a flexible display panel; the flexible display panel is broken in the second direction at the part of the first bending area and the part of the second bending area, the part of the flexible display panel in the first bending area is bent to the back of the flexible display panel by taking the first connecting boundary as a bending axis, and the part of the flexible display panel in the second bending area is bent to the back of the flexible display panel by taking the second connecting boundary as a bending axis; the special-shaped panel part driving chip is positioned on the back surface of the flexible display panel, and the special-shaped panel part driving chip is electrically connected to the first data line and the part, bent to the back surface of the flexible display panel, of the second data line.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
In an existing display device, for example, a mobile phone, in order to improve a screen occupation ratio (i.e., a relative ratio of a display area to a front area of the display device), a groove structure is disposed at an edge of a display panel, the display area of the display panel semi-surrounds the groove structure, and a front camera located in the groove is disposed in the display device, so that the front camera can implement a front camera function through the groove.
However, in the prior art, due to the arrangement of the groove structure, the signal lines in the display panel need to bypass the groove for routing, so that the routing needs to occupy more space of the non-display area, which is not favorable for the design of the narrow bezel.
Disclosure of Invention
The embodiment of the invention provides a display device, which can realize wiring on the back of a display panel by wiring in the display panel, so that the wiring is not required to be wound on a non-display area of the display panel, the space of the non-display area is saved, and the design of a narrow frame is facilitated.
In one aspect, an embodiment of the present invention provides a display device, including:
a flexible display panel including a special-shaped panel portion and a normal panel portion arranged in a first direction, the special-shaped panel portion including a first region and a second region arranged in a second direction;
the first region comprises a first display region far away from the second region in the second direction and a first bending region close to the second region in the second direction, and a first connecting boundary is arranged between the first display region and the first bending region;
the second region comprises a second display region far away from the first region in the second direction and a second bending region close to the first region in the second direction, and a second connecting boundary is arranged between the second display region and the second bending region;
the part of the flexible display panel in the first bending area and the part of the flexible display panel in the second bending area are disconnected in the second direction, the part of the flexible display panel in the first bending area is bent to the back of the flexible display panel by taking the first connecting boundary as a bending axis, and the part of the flexible display panel in the second bending area is bent to the back of the flexible display panel by taking the second connecting boundary as a bending axis;
the first display area comprises a first data line extending in the second direction, the first data line extends to the part of the flexible display panel in the first bending area and is bent to the back of the flexible display panel;
the second display area comprises a second data line extending in the second direction, the second data line extends to a part of the flexible display panel in the second bending area and is bent to the back of the flexible display panel;
and the special-shaped panel part driving chip is electrically connected to the first data line and the part of the second data line bent to the back surface of the flexible display panel.
Optionally, the normal panel portion includes a third data line extending in the second direction;
the display device further includes a normal panel portion driving chip electrically connected to the third data line.
Optionally, the display device further includes: the first flexible circuit board is positioned on the back face of the flexible display panel, and the special-shaped panel part driving chip is electrically connected to the first data line and the second data line through the first flexible circuit board.
Optionally, the flexible display panel includes a plurality of columns of the first data lines and a plurality of columns of the second data lines, and the plurality of columns of the first data lines correspond to the plurality of columns of the second data lines one to one;
the first flexible circuit board comprises a plurality of common connecting terminals, and each common connecting terminal is electrically connected with the first data line and the second data line in a corresponding column;
the special-shaped panel driving chip is electrically connected to the first data line and the second data line through each common connection terminal.
Optionally, the flexible display panel includes a plurality of columns of the first data lines and a plurality of columns of the second data lines;
the first flexible circuit board includes:
a first connection terminal electrically connected to each column of the first data line pair;
the second connecting terminal is electrically connected with each column of the second data lines correspondingly;
the driving chip of the special-shaped panel part is electrically connected to the first data line through each first connecting terminal and to the second data line through each second connecting terminal.
Optionally, a first data line connection terminal electrically connected to the first data line is disposed at a terminal of the first data line extending to the back of the flexible display panel, and the first flexible circuit board is electrically connected to the first data line through the first data line connection terminal;
a second data line connecting terminal electrically connected with the second data line is arranged at the tail end of the second data line extending to the back of the flexible display panel, and the first flexible circuit board is electrically connected with the second data line through the second data line connecting terminal.
Optionally, the flexible display panel further includes a first special-shaped bezel region and a second special-shaped bezel region, the first special-shaped bezel region is located on a side of the first display region away from the normal panel portion in the first direction, and the second special-shaped bezel region is located on a side of the second display region away from the normal panel portion in the first direction;
the first special-shaped frame area is provided with a first scanning driving circuit and a first signal line electrically connected with the first scanning driving circuit, the first signal line extends into the first bending area, the first signal line extends to the part in the first bending area and is bent to the back of the flexible display panel, and the special-shaped panel part driving chip is electrically connected with the first signal line;
the second special-shaped frame region is provided with a second scanning driving circuit and a second signal line electrically connected with the second scanning driving circuit, the second signal line extends into the second bending region, the second signal line extends to the part in the second bending region and is bent to the back of the flexible display panel, and the special-shaped panel part driving chip is electrically connected with the second signal line.
Optionally, the flexible display panel forms a groove between the first display region and the second display region, the groove being recessed in a direction of the normal panel portion;
the normal panel portion includes a normal frame region that is away from the recess one side in the first direction, the normal frame region is provided with a third scan driving circuit.
Optionally, in the second direction, a distance between the first connection boundary and the second connection boundary is h;
in the first direction, h becomes gradually smaller as going from far to near the normal panel portion.
Optionally, a preset distance is provided between an end of the first connection boundary close to the normal panel portion and an end of the second connection boundary close to the normal panel portion.
Optionally, the display device further includes: a second flexible circuit board electrically connected to the normal panel portion driving chip;
at least part of the second flexible circuit board is positioned on the back surface of the flexible display panel, and the second flexible circuit board is electrically connected to the first flexible circuit board on the back surface of the flexible display panel.
Optionally, the display device further includes: a second flexible circuit board electrically connected to the normal panel portion driving chip;
at least part of the second flexible circuit board is positioned on the back surface of the flexible display panel;
the first flexible circuit board and the second flexible circuit board are electrically connected to the main board on the back of the flexible display panel.
According to the display device in the embodiment of the invention, the parts of the flexible display panel in the first bending area and the second bending area are bent to the back side to form the groove at the edge of the flexible display panel, on one hand, data lines in the first display area and the second display area on two opposite sides of the groove do not need to occupy the space of the non-display area for winding, and the transmission of data signals is realized on the back side of the flexible display panel through the parts of the first bending area and the second bending area, so that the space occupation of the non-display area is saved, and the design of a narrow frame is facilitated; on the other hand, the data lines in the first display area and the second display area do not need to occupy the space of the non-display area to connect the driving chip, but are electrically connected with the driving chip of the opposite-type panel part on the back surface of the flexible display panel through the first bending area and the second bending area, so that the space occupation of the non-display area is further saved, and the design of a narrow frame is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating a state of a flexible display panel when the flexible display panel is not bent according to an embodiment of the present invention;
FIG. 2 is a schematic view of another state of the flexible display panel in FIG. 1 when it is not bent;
FIG. 3 is a schematic view of a bent flexible display panel shown in FIG. 1;
FIG. 4 is a schematic diagram of a display device including the flexible display panel of FIG. 1;
FIG. 5 is a schematic diagram of another display device including the flexible display panel of FIG. 1;
FIG. 6 is a schematic structural diagram of a flexible display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the first scan driving circuit in fig. 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, fig. 1 is a schematic diagram of a state of a flexible display panel when the flexible display panel is not bent according to an embodiment of the present invention, fig. 2 is a schematic diagram of another state of the flexible display panel in fig. 1 when the flexible display panel is not bent, fig. 3 is a schematic diagram of a structure of the flexible display panel in fig. 1 after being bent, and fig. 4 is a schematic diagram of a structure of a display device including the flexible display panel in fig. 1, an embodiment of the present invention provides a display device, including: a flexible display panel 1, the flexible display panel 1 including a shaped panel section 11 and a normal panel section 12 arranged in a first direction h1, the shaped panel section 11 including a first region 101 and a second region 102 arranged in a second direction h 2; the first region 101 includes a first display region 111 distant from the second region 102 in the second direction h2 and a first bending region 112 near the second region 102 in the second direction h2, with a first connection boundary L1 between the first display region 111 and the first bending region 112; the second region 102 includes a second display region 121 distant from the first region 101 in the second direction h2 and a second bending region 122 close to the first region 101 in the second direction h2, with a second connection boundary L2 between the second display region 121 and the second bending region 122; the portion of the flexible display panel 1 in the first bending region 112 and the portion in the second bending region 122 are disconnected in the second direction h2, as shown in fig. 3 and 4, the portion of the flexible display panel 1 in the first bending region 112 is bent to the back of the flexible display panel 1 with the first connection boundary L1 as a bending axis, and the portion of the flexible display panel 1 in the second bending region 122 is bent to the back of the flexible display panel 1 with the second connection boundary L2 as a bending axis; the first display region 111 includes a first Data line Data1 extending in the second direction h2, the first Data line Data1 extending to a portion of the flexible display panel 1 within the first bending region 112 and being bent to the back of the flexible display panel 1; the second display region 121 includes a second Data line Data2 extending in the second direction h2, the second Data line Data2 extending to a portion of the flexible display panel 1 within the second bending region 122 and being bent to the back of the flexible display panel 1; the irregular panel driving chip 2 is electrically connected to the first Data line Data1 and the second Data line Data2 at the portion of the back surface of the flexible display panel 1.
Specifically, the flexible display panel 1 is bent to the back side at the portions of the first bending region 112 and the second bending region 122, so that the flexible display panel 1 forms a groove between the first connection boundary L1 and the second connection boundary L2, the groove can be used for arranging a front camera, two opposite sides of the groove are the first display region 111 and the second display region 121 respectively, and the first display region 111 and the second display region 121 form a special-shaped display region of the display device together due to the groove therebetween. Meanwhile, the first display region 111 is provided therein with first Data lines Data1 for transmitting Data signals by which the luminance of sub-pixels in the first display region 111 is controlled, the number of the first Data lines Data1 in the first display region 111 may be related to the number of columns of sub-pixels in the first display region 111, one column of sub-pixels corresponds to one first Data line Data1, similarly, the second display region 121 is provided therein with second Data lines Data2 for transmitting Data signals by which the luminance of sub-pixels in the second display region 121 is controlled, the number of the second Data lines Data2 in the second display region 121 may be related to the number of columns of sub-pixels in the second display region 121, one column of sub-pixels corresponds to one second Data line Data2, the first Data lines 1 in the first display region 111 and the second Data lines 2 in the second display region 121 may be correspondingly provided. Since the portions of the flexible display panel 1 in the first and second bending regions 112 and 122 are bent to the back surface, the first and second Data lines Data1 and Data2 are also bent to the back surface of the flexible display panel 1, so that the shaped panel driving chip 2 is electrically connected to the first and second Data lines Data1 and Data2 at the back surface of the flexible display panel 1, and the shaped panel driving chip 2 supplies Data signals to the first and second Data lines Data1 and 2 to realize driving of the first and second display regions 111 and 121.
According to the display device in the embodiment of the invention, the parts of the flexible display panel in the first bending area and the second bending area are bent to the back side to form the groove at the edge of the flexible display panel, on one hand, data lines in the first display area and the second display area on two opposite sides of the groove do not need to occupy the space of the non-display area for winding, and the transmission of data signals is realized on the back side of the flexible display panel through the parts of the first bending area and the second bending area, so that the space occupation of the non-display area is saved, and the design of a narrow frame is facilitated; on the other hand, the data lines in the first display area and the second display area do not need to occupy the space of the non-display area to connect the driving chip, but are electrically connected with the driving chip of the opposite-type panel part on the back surface of the flexible display panel through the first bending area and the second bending area, so that the space occupation of the non-display area is further saved, and the design of a narrow frame is facilitated.
Alternatively, the normal panel portion 12 includes a third Data line Data3 extending in the second direction h 2; the display device further includes a normal panel portion driving chip 3, and the normal panel portion driving chip 3 is electrically connected to the third Data line Data 3.
Specifically, the normal panel section 12 has no defect such as a groove therein and thus has a normal display area therein and can be used to realize a main display function, the normal panel section 12 is provided with a third Data line Data3, the third Data line Data3 is used to supply a Data signal to the sub-pixels in the normal panel section 12 to control the luminance of the sub-pixels in the normal panel section 12, and since the third Data line Data3 in the normal panel section 12 is not disconnected in the middle, another normal panel section driving chip 3 can be connected to the end of the third Data line Data3, and the third Data line Data3 is driven by the normal panel section driving chip 3. It should be noted that, in the structure illustrated in fig. 4, the normal panel portion driving chip 3 is located below the normal panel portion 12 and on the front surface of the flexible display panel 1, and in this structure, the normal panel portion driving chip 3 needs to occupy the space of the non-display area on the front surface of the flexible display panel 1 to achieve the binding connection with the third Data line Data3, and for the first Data line Data1 and the second Data line Data2, because the special-shaped panel portion driving chip 2 is used to drive, the special-shaped panel portion driving chip 2 achieves the binding connection with the first Data line Data1 and the second Data line Data2 on the back surface of the flexible display panel 1, compared with the prior art, the space of the non-display area on the front surface of the panel is further saved, in the prior art, the Data lines corresponding to the special-shaped display area need to bypass the groove to occupy more space of the non-display area, the data lines of the normal display area are connected with the same driving chip, so that the data lines corresponding to the whole display area occupy the space of the non-display area on the front surface of the display panel, and the data lines are electrically connected with the driving chip. Of course, the structure shown in fig. 4 is only an example, and the embodiment of the present invention is not limited to this, for example, in other realizable embodiments, the normal panel portion driving chip may also be disposed on the back surface of the flexible display panel, and the electrical connection with the third data line is realized through the bending of the flexible circuit board or the flexible display panel itself.
Optionally, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the display device further includes: the first flexible circuit board 41 is located on the back surface of the flexible display panel 1, and the irregular panel portion driving chip 2 is electrically connected to the first Data line Data1 and the second Data line Data2 through the first flexible circuit board 41.
Specifically, the first flexible circuit board 41 realizes the electrical connection between the profiled panel portion driving chip 2 and the first Data line Data1 and the second Data line Data2 through the first flexible circuit board 41, and it can be understood that in other realizable embodiments, the profiled panel portion driving chip may also realize the electrical connection with the first Data line and the second Data line through other manners, for example, the profiled panel portion driving chip is directly bound on the portion of the flexible display panel bent to the back side, so as to realize the electrical connection with the first Data line and the second Data line.
Alternatively, as shown in fig. 1, 2, 3, and 4, the flexible display panel 1 includes a plurality of columns of first Data lines Data1 and a plurality of columns of second Data lines Data2, the plurality of columns of first Data lines Data1 and the plurality of columns of second Data lines Data2 corresponding one to one; the first flexible circuit board 41 includes a plurality of common connection terminals 5, each common connection terminal 5 being electrically connected to a corresponding column of the first Data line Data1 and the second Data line Data 2; the irregularly-shaped panel section driving chip 2 is electrically connected to the first Data line Data1 and the second Data line Data2 through each common connection terminal 5.
Specifically, on one hand, the first flexible circuit board 41 is used for realizing the corresponding electrical connection between the first Data line Data1 and the second Data line Data2, so that the first Data line Data1 and the second Data line Data2 are electrically connected on the back of the flexible display panel 1, the space of a non-display area on the front of the display panel is not occupied, and the design of a narrow frame is facilitated; on the other hand, the first flexible circuit board 41 is provided with the common connection terminal 5 for simultaneously connecting the first Data line Data1 and the second Data line Data2 corresponding to the irregular panel driving chip 2 via the common connection portion, so that the number of pins in the irregular panel driving chip 2 can be reduced.
Alternatively, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, fig. 5 is a schematic structural diagram of another display device including the flexible display panel in fig. 1, where the flexible display panel 1 includes a plurality of columns of first Data lines Data1 and a plurality of columns of second Data lines Data 2; the first flexible circuit board 41 includes: a first connection terminal 51 electrically connected corresponding to each column of the first Data line Data 1; the second connection terminal 52 electrically connected corresponding to each column of the second Data line Data 2; the irregularly-shaped panel section driving chip 2 is electrically connected to the first Data line Data1 through each first connection terminal 51 and to the second Data line Data2 through each second connection terminal 52.
Specifically, in the structure shown in fig. 5, compared with the structure shown in fig. 4, the irregular panel driving chip 2 uses more pins to electrically connect to the first Data line Data1 and the second Data line Data2, so that the irregular panel driving chip 2 is more flexible and convenient for driving and debugging the first display area 111 and the second display area 121.
Alternatively, as shown in fig. 2, 3, 4 and 5, a first Data line connection terminal Pad1 electrically connected to the first Data line Data1 is provided at a tip end of the first Data line Data1 extending to the back surface of the flexible display panel 1, and the first flexible circuit board 41 is electrically connected to the first Data line Data1 through the first Data line connection terminal Pad 1; the second Data line Data2 is provided at the end extending to the back surface of the flexible display panel 1 with a second Data line connection terminal Pad2 electrically connected to the second Data line Data2, and the first flexible circuit board 41 is electrically connected to the second Data line Data2 through the second Data line connection terminal Pad 2.
Specifically, the first Data lines Data1 and the first Data line connection terminals Pad1 are connected in a one-to-one correspondence, and the second Data lines Data2 and the second Data line connection terminals Pad2 are connected in a one-to-one correspondence. In the structure shown in fig. 4, the one-to-one connection of the first Data line connection terminal Pad1 and the second Data line connection terminal Pad2 is realized by the first flexible circuit board 41, and the profiled panel portion driving chip 2 is electrically connected to the first Data line connection terminal Pad1 and the second Data line connection terminal Pad2 by the common connection terminal 5, even though the first Data line Data1 and the second Data line Data2 are electrically connected to the profiled panel portion driving chip 2 through the first flexible circuit board 41. In the structure shown in fig. 5, the one-to-one connection of the first Data line connection terminal Pad1 and the first connection terminal 51 is realized by the first flexible circuit board 41, and the one-to-one connection of the second Data line connection terminal Pad2 and the second connection terminal 52 is realized by the first flexible circuit board 41, even if the first Data line Data1 and the second Data line Data2 are electrically connected to the profiled panel section driving chip 2 by the first flexible circuit board 41.
Alternatively, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, fig. 6 is another schematic structural diagram of the flexible display panel according to the embodiment of the present invention, fig. 7 is a schematic structural diagram of the first scan driving circuit in fig. 6, the flexible display panel 1 further includes a first special-shaped bezel region 61 and a second special-shaped bezel region 62, the first special-shaped bezel region 61 is located on a side of the first display region 111 away from the normal panel portion 12 in the first direction h1, and the second special-shaped bezel region 62 is located on a side of the second display region 121 away from the normal panel portion 12 in the first direction h 1; the first irregular frame region 61 is provided with a first scanning driving circuit 71 and a first signal line 81 electrically connected with the first scanning driving circuit 71, the first signal line 81 extends into the first bending region 112, the first signal line 81 extends to a part in the first bending region 112 and is bent to the back of the flexible display panel 1, and the irregular panel driving chip 2 is electrically connected to the first signal line 81; the second special-shaped frame region 62 is provided with a second scanning driving circuit (not shown in the figure) and a second signal line (not shown in the figure) electrically connected to the second scanning driving circuit, the second signal line extends into the second bending region 122, the second signal line extends to a portion inside the second bending region 122 and is bent to the back of the flexible display panel 1, and the special-shaped panel driving chip 2 is electrically connected to the second signal line.
Specifically, the scan driving circuit is used for providing scan signals for pixels in the display area, the scan signals are used for line-by-line control in the pixel driving process, for example, the flexible display panel is an organic light emitting display panel, each sub-pixel in the organic light emitting display panel comprises a light emitting device and a pixel driving circuit, the light emitting device comprises an anode, a cathode and an organic light emitting layer, electrons and holes are injected into the organic light emitting layer under the voltage action of the anode and the cathode, light emission is realized in the organic light emitting layer in a composite manner, the pixel driving circuit is electrically connected to the anode of the light emitting device and is used for driving the light emitting brightness of the light emitting device in a current mode and controlling whether the light emitting device emits light or not, the scan driving circuit comprises two scan driving circuits, a light emitting scan driving circuit and a charging scan driving circuit, the scan signals provided by the light emitting, the pixel driving circuit is used for controlling whether the light-emitting device emits light or not, and the scanning signal provided by the charging scanning driving circuit is used for controlling whether the data signal on the data line is transmitted to the corresponding pixel driving circuit or not so as to charge the pixel driving circuit. The first scan driving circuit and the second scan driving circuit in the embodiment of the present invention may be a light emitting scan driving circuit, a charging scan driving circuit, a light emitting scan driving circuit, and a charging scan driving circuit. As shown in fig. 6 and 7, the first scan driving circuit 71 and the second scan driving circuit are electrically connected to the scan signal lines 80, and the first scan driving circuit 71 is exemplified below, as shown in fig. 7, the first scan driving circuit 71 includes a plurality of shift registers connected in cascade, an output terminal of each shift register is electrically connected to a corresponding scan signal line 80, the scan signal generated by the first scan driving circuit 71 is sequentially output to each scan signal line 80 and transmitted to the corresponding sub-pixel in the display area by the scan signal line 80, the scan signal lines 80 extend along the first direction h1 and are arranged along the second direction h2, the first signal line 81 is a clock signal line for providing a clock signal to the first scan driving circuit 71, and it is understood that in other realizable embodiments, the first signal line may be other types of signal lines, for controlling the first scan driving circuit, for example, the initial signal line is similar to the arrangement of the first data line and the second data line, since the first signal line 81 needs to extend along the second direction h2 and is finally provided with a signal by the driving chip, the first signal line 81 is arranged to extend into the first bending region 112 and be bent to the back of the flexible display panel 1, the back of the flexible display panel 1 is electrically connected to the driving chip 2 of the shaped panel portion, the driving chip 2 of the shaped panel portion provides a corresponding signal, and the second signal line is similar to the arrangement of the first signal line 81, which is not described herein again. By the arrangement mode, the space occupied by the signal lines in the frame area on the front side of the display panel can be further saved.
Alternatively, as shown in fig. 6, the flexible display panel 1 forms a groove 110 recessed in the direction of the normal panel section 12 between the first display region 111 and the second display region 121; the normal panel section 12 includes a normal bezel region 63 on a side away from the recess 110 in the first direction h1, and the normal bezel region 63 is provided with a third scan driving circuit (not shown in the figure).
Specifically, the third scan driving circuit may cooperate with the first scan driving circuit and the second scan driving circuit to implement driving of the bilateral scan. It is to be understood that, in the embodiment of the present invention, the driving ranges of the first scan driving circuit, the second scan driving circuit and the third scan driving circuit are not limited, for example, the third scan driving circuit may scan the entire display area, including the display areas in the first display area 111, the second display area 121 and the normal panel portion 12, the first scan driving circuit may drive the display areas in the normal panel portion 12 corresponding to the right side of the first display area 111 and the first display area 111, the second scan driving circuit may drive the display areas in the normal panel portion 12 corresponding to the right side of the second display area 121 and the second display area 121, and the display areas in the normal panel portion 12 corresponding to the right side of the notch 110 may be driven by only the third scan driving circuit. It is to be understood that, in other realizable embodiments, the side of the first bending region 112 and the second bending region 122 away from the normal panel portion 12 in the first direction h1 may also be provided with a scan driving circuit for realizing driving of the display region corresponding to the right side of the groove 110.
Alternatively, as shown in fig. 1 and 3, in the second direction h2, the distance between the first connection boundary L1 and the second connection boundary L2 is h; in the first direction h1, h becomes gradually smaller as going from farther to closer to the normal panel section 12.
Specifically, for example, the groove formed between the first connection boundary L1 and the second connection boundary L2 is trapezoidal, and is cut and folded according to the position of the solid line shown in fig. 1 and 3, and after folding, the data line originally extending along the second direction h2 extends to the end to the right side of the back surface of the flexible display panel 1 after being bent, so as to provide the connection terminal for connecting the flexible circuit board at the position.
Alternatively, as shown in fig. 1 and 3, a predetermined distance h0 is provided between the end of the first connecting boundary L1 adjacent to the normal panel portion 12 and the end of the second connecting boundary L2 adjacent to the normal panel portion 12.
Optionally, as shown in fig. 4 and 5, the display device further includes: a second flexible circuit board 42 electrically connected to the normal panel portion driving chip 3; at least a portion of the second flexible circuit board 42 is located on the back surface of the flexible display panel 1, and the second flexible circuit board 42 is electrically connected to the first flexible circuit board 41 on the back surface of the flexible display panel 1.
Specifically, since the first Data line Data1 in the first display area 111 and the second Data line Data2 in the second display area 121 are driven by the odd-shaped panel portion driving chip 2 and the normal panel portion 12 is driven by the normal panel portion driving chip 3, in order to cause the first display area 111, the second display area 121, and the normal panel portion 12 to display normally, it is necessary to cause the odd-shaped panel portion driving chip 2 and the normal panel portion driving chip 3 to be driven in synchronization, and in the embodiment of the present invention, the electrical connection of the odd-shaped panel portion driving chip 2 and the normal panel portion driving chip 3 can be realized by the electrical connection of the first flexible circuit board 41 and the second flexible circuit board 42 to realize the synchronous driving.
Optionally, as shown in fig. 4 and 5, the display device further includes: a second flexible circuit board 42 electrically connected to the normal panel portion driving chip 3; at least part of the second flexible circuit board 42 is located on the back side of the flexible display panel 1; a main board (not shown) located on the back surface of the flexible display panel 1, and the first flexible circuit board 41 and the second flexible circuit board 42 are electrically connected to the main board on the back surface of the flexible display panel 1.
Specifically, since the first Data line Data1 in the first display region 111 and the second Data line Data2 in the second display region 121 are driven by the odd-shaped panel portion driving chip 2 and the normal panel portion 12 is driven by the normal panel portion driving chip 3, in order to cause the first display region 111, the second display region 121, and the normal panel portion 12 to display normally, it is necessary to cause the odd-shaped panel portion driving chip 2 and the normal panel portion driving chip 3 to be driven in synchronization, and in the embodiment of the present invention, the first flexible circuit board 41 and the second flexible circuit board 42 may be electrically connected to a main board, and the synchronous driving of the odd-shaped panel portion driving chip 2 and the normal panel portion driving chip 3 may be realized by the main board.
The display device in the embodiment of the present invention may be any electronic device with a display function, such as a touch display screen, a mobile phone, a tablet computer, a notebook computer, an electronic book, or a television. After the portions of the flexible display panel 1 in the first bending region 112 and the second bending region 122 are bent to the back, a front camera or the like may be disposed in the groove formed between the first connection boundary L1 and the second connection boundary L2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. A display device, comprising:
a flexible display panel including a special-shaped panel portion and a normal panel portion arranged in a first direction, the special-shaped panel portion including a first region and a second region arranged in a second direction;
the first region comprises a first display region far away from the second region in the second direction and a first bending region close to the second region in the second direction, and a first connecting boundary is arranged between the first display region and the first bending region;
the second region comprises a second display region far away from the first region in the second direction and a second bending region close to the first region in the second direction, and a second connecting boundary is arranged between the second display region and the second bending region;
the part of the flexible display panel in the first bending area and the part of the flexible display panel in the second bending area are disconnected in the second direction, the part of the flexible display panel in the first bending area is bent to the back of the flexible display panel by taking the first connecting boundary as a bending axis, and the part of the flexible display panel in the second bending area is bent to the back of the flexible display panel by taking the second connecting boundary as a bending axis;
the first display area comprises a first data line extending in the second direction, the first data line extends to the part of the flexible display panel in the first bending area and is bent to the back of the flexible display panel;
the second display area comprises a second data line extending in the second direction, the second data line extends to a part of the flexible display panel in the second bending area and is bent to the back of the flexible display panel;
and the special-shaped panel part driving chip is electrically connected to the first data line and the part of the second data line bent to the back surface of the flexible display panel.
2. The display device according to claim 1,
the normal panel portion includes a third data line extending in the second direction;
the display device further includes a normal panel portion driving chip electrically connected to the third data line.
3. The display device according to claim 2, further comprising:
the first flexible circuit board is positioned on the back face of the flexible display panel, and the special-shaped panel part driving chip is electrically connected to the first data line and the second data line through the first flexible circuit board.
4. The display device according to claim 3,
the flexible display panel comprises a plurality of columns of the first data lines and a plurality of columns of the second data lines, and the plurality of columns of the first data lines correspond to the plurality of columns of the second data lines one to one;
the first flexible circuit board comprises a plurality of common connecting terminals, and each common connecting terminal is electrically connected with the first data line and the second data line in a corresponding column;
the special-shaped panel driving chip is electrically connected to the first data line and the second data line through each common connection terminal.
5. The display device according to claim 3,
the flexible display panel comprises a plurality of columns of the first data lines and a plurality of columns of the second data lines;
the first flexible circuit board includes:
a first connection terminal electrically connected to each column of the first data line pair;
the second connecting terminal is electrically connected with each column of the second data lines correspondingly;
the driving chip of the special-shaped panel part is electrically connected to the first data line through each first connecting terminal and to the second data line through each second connecting terminal.
6. The display device according to claim 3,
a first data line connecting terminal electrically connected with the first data line is arranged at the tail end of the back surface of the flexible display panel, from which the first data line extends, and the first flexible circuit board is electrically connected with the first data line through the first data line connecting terminal;
a second data line connecting terminal electrically connected with the second data line is arranged at the tail end of the second data line extending to the back of the flexible display panel, and the first flexible circuit board is electrically connected with the second data line through the second data line connecting terminal.
7. The display device according to claim 1,
the flexible display panel further comprises a first special-shaped frame region and a second special-shaped frame region, the first special-shaped frame region is located on one side, away from the normal panel portion, of the first display region in the first direction, and the second special-shaped frame region is located on one side, away from the normal panel portion, of the second display region in the first direction;
the first special-shaped frame area is provided with a first scanning driving circuit and a first signal line electrically connected with the first scanning driving circuit, the first signal line extends into the first bending area, the first signal line extends to the part in the first bending area and is bent to the back of the flexible display panel, and the special-shaped panel part driving chip is electrically connected with the first signal line;
the second special-shaped frame region is provided with a second scanning driving circuit and a second signal line electrically connected with the second scanning driving circuit, the second signal line extends into the second bending region, the second signal line extends to the part in the second bending region and is bent to the back of the flexible display panel, and the special-shaped panel part driving chip is electrically connected with the second signal line.
8. The display device according to claim 7,
the flexible display panel forms a groove between the first display region and the second display region, the groove being depressed in a direction of the normal panel section;
the normal panel portion includes a normal frame region that is away from the recess one side in the first direction, the normal frame region is provided with a third scan driving circuit.
9. The display device according to claim 1,
in the second direction, the distance between the first connection boundary and the second connection boundary is h;
in the first direction, h becomes gradually smaller as going from far to near the normal panel portion.
10. The display device according to claim 9,
the first connecting boundary is close to one end of the normal panel portion and the second connecting boundary is close to one end of the normal panel portion, and a preset distance is arranged between the first connecting boundary and the second connecting boundary.
11. The display device according to claim 3, further comprising:
a second flexible circuit board electrically connected to the normal panel portion driving chip;
at least part of the second flexible circuit board is positioned on the back surface of the flexible display panel, and the second flexible circuit board is electrically connected to the first flexible circuit board on the back surface of the flexible display panel.
12. The display device according to claim 3, further comprising:
a second flexible circuit board electrically connected to the normal panel portion driving chip;
at least part of the second flexible circuit board is positioned on the back surface of the flexible display panel;
the first flexible circuit board and the second flexible circuit board are electrically connected to the main board on the back of the flexible display panel.
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| CN201910149375.7A CN109616023B (en) | 2019-02-28 | 2019-02-28 | Display device |
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| CN201910149375.7A CN109616023B (en) | 2019-02-28 | 2019-02-28 | Display device |
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| CN109616023B true CN109616023B (en) | 2021-06-08 |
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| JP7241622B2 (en) * | 2019-06-24 | 2023-03-17 | 株式会社ジャパンディスプレイ | ELECTRICAL DEVICE, DISPLAY AND MANUFACTURING METHOD THEREOF |
| CN110444128A (en) * | 2019-07-29 | 2019-11-12 | 霸州市云谷电子科技有限公司 | Display panel and terminal |
| CN114203759A (en) * | 2020-09-02 | 2022-03-18 | 华为技术有限公司 | Display panel and terminal equipment |
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Effective date of registration: 20211123 Address after: No.8, liufangyuan Henglu, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN TIANMA MICRO-ELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch Address before: Room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai, 201201 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |