CN107484328B - A kind of display device - Google Patents
A kind of display device Download PDFInfo
- Publication number
- CN107484328B CN107484328B CN201710765543.6A CN201710765543A CN107484328B CN 107484328 B CN107484328 B CN 107484328B CN 201710765543 A CN201710765543 A CN 201710765543A CN 107484328 B CN107484328 B CN 107484328B
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- China
- Prior art keywords
- circuit board
- display panel
- flexible circuit
- area
- bonding pad
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10128—Display
Abstract
The invention discloses a kind of display devices, belong to field of display technology, comprising: display panel, at least one flexible circuit board and printed circuit board；Flexible circuit board includes the first bonding pad, the first bent area, the second bent area and the second bonding pad, the first cabling area, the second cabling area；First bonding pad is electrically connected with display panel, and the second bonding pad is electrically connected with printed circuit board；In the case where the first bent area is in bending state, the first cabling area is at least partially disposed in display panel flexible circuit board in the orthographic projection of display panel；Flexible circuit board is in the case where the second bent area is in bending state, first cabling area and the second cabling area have overlapping region, and overlapping region is at least partially disposed in display panel in the orthographic projection of display panel, and on the direction perpendicular to display panel, the second cabling area is located at the side of the separate display panel in the first cabling area.It is advantageously implemented the narrow frame of display device.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display device.
Background technique
With the development of display technology, consumer is being promoted in addition to the requirement to display quality, for the narrow of display device
The demand of frame is also higher and higher.
Referring to FIG. 1, Fig. 1 is a kind of planar structure schematic diagram for display device that the prior art provides.The prior art mentions
The display device of confession includes display panel 01, and display panel 01 includes viewing area 02 and non-display area 03.Viewing area 02 is for showing
Show image information, binding has chip 04 in non-display area 03, and chip 04 is electrically connected with the signal lead in display panel 01, is used for
Handle the electric signal of display panel 01.Flexible wiring board 05 is also bound in non-display area 03, chip 04 passes through flexible circuit board
05 is electrically connected with printed circuit board 06.In order to realize that the lightening of display device, the length L of printed circuit board are less than display panel
01 length, therefore flexible circuit board 05 is traditionally arranged to be trapezoidal (example in such as figure), flexible circuit board 05 is bundled in display surface
The width of 01 side of plate is L1, and the width that flexible circuit board 05 is bundled in printed circuit board side is L2, L2 < L1.It is limited to soft
The impedance of cabling in property wiring board 05, the height H of flexible circuit board 05 is larger, therefore causes the lower frame of display device wider,
It is unable to satisfy consumer demand.
Summary of the invention
In view of this, the present invention provides a kind of display devices.
The present invention provides a kind of display devices, comprising: display panel, at least one flexible circuit board and printed circuit
Plate；Flexible circuit board includes the first bonding pad, the first bent area, the second bent area and the second bonding pad；First bonding pad and aobvious
Show that panel is electrically connected, the second bonding pad is electrically connected with printed circuit board；Flexible circuit board further include setting the first bent area with
The second cabling area between the second bent area and the second bonding pad is arranged in the first cabling area between second bent area；It is flexible
For wiring board in the case where the first bent area is in bending state, the first cabling area is at least partially disposed at display surface in the orthographic projection of display panel
In plate；For flexible circuit board in the case where the second bent area is in bending state, the first cabling area and the second cabling area have overlapping region, and
Overlapping region is at least partially disposed in display panel in the orthographic projection of display panel, and on the direction perpendicular to display panel,
Second cabling area is located at the side of the separate display panel in the first cabling area.
Compared with prior art, a kind of display device provided by the invention, at least realize it is following the utility model has the advantages that
In display device provided by the invention, flexible circuit board includes the first bent area and the second bent area, flexible circuitry
For plate in the case where the first bent area is in bending state, the first cabling area is at least partially disposed at display panel in the orthographic projection of display panel
It is interior；For flexible circuit board in the case where the second bent area is in bending state, the first cabling area and the second cabling area have overlapping region, and hand over
Folded region is at least partially disposed in display panel in the orthographic projection of display panel.By the way that flexible circuit board is bent twice,
So that flexible circuit board is formd overlapping region, reduces flexible circuit board in the occupied space of lower frame；And perpendicular to
On the direction of display panel, overlapping region have with display panel it is overlapping, make flexible circuit board share display panel in display device
In occupied space, further reduced flexible circuit board in the occupied space of lower frame, be advantageously implemented display device
Narrow frame.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of planar structure schematic diagram for display device that the prior art provides；
Fig. 2 is a kind of planar structure schematic diagram of display device provided in an embodiment of the present invention；
Fig. 3 is a kind of the schematic diagram of the section structure for the display device that Fig. 2 is provided；
Fig. 4 is a kind of planar structure schematic diagram of flexible circuit board in the display device of Fig. 2 offer；
Fig. 5 is the schematic diagram of the section structure of another flexible circuit board in display device provided in an embodiment of the present invention；
Fig. 6 is the planar structure schematic diagram of another flexible circuit board in display device provided in an embodiment of the present invention；
Fig. 7 is a kind of the schematic diagram of the section structure of the AA ' line along Fig. 6；
Fig. 8 is the schematic diagram of the section structure of another display device provided in an embodiment of the present invention；
Fig. 9 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Figure 10 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
It is a kind of planar structure of display device provided in an embodiment of the present invention incorporated by reference to reference Fig. 2, Fig. 3 and Fig. 4, Fig. 2
Schematic diagram, Fig. 3 are a kind of the schematic diagram of the section structure for the display device that Fig. 2 is provided, and Fig. 4 is one in the display device of Fig. 2 offer
The planar structure schematic diagram of kind flexible circuit board.The embodiment of the invention provides a kind of display devices, comprising: display panel 10,
At least one flexible circuit board 20 and printed circuit board 30；Flexible circuit board 20 includes the first bonding pad 21, the first bent area
201, the second bent area 202 and the second bonding pad 22；First bonding pad 21 is electrically connected with display panel, the second bonding pad 22 and print
Circuit board 30 processed is electrically connected；Flexible circuit board 20 further includes be arranged between the first bent area 201 and the second bent area 202
The second cabling area 24 between the second bent area 202 and the second bonding pad 22 is arranged in one cabling area 23；Flexible circuit board 20 exists
First bent area 201 is under bending state, and the first cabling area 23 is at least partially disposed at display surface in the orthographic projection of display panel 10
In plate 10；In the case where the second bent area 202 is in bending state, the first cabling area 23 has flexible circuit board 20 with the second cabling area 24
Overlapping region, and overlapping region is at least partially disposed in display panel 10 in the orthographic projection of display panel 10, and perpendicular to aobvious
On the direction for showing panel 10, the second cabling area 24 is located at the side of the separate display panel 10 in the first cabling area 23.
In display device provided in this embodiment, for showing image information, display panel 10 can be display panel 10
Liquid crystal display panel is also possible to organic light emitting display panel, the present embodiment to the specific structure of display panel 10 with no restriction.
Display panel 10 is electrically connected by flexible circuit board 20 with printed circuit board 30.Wherein, the number of flexible circuit board 20
Amount can be one, or it is more than two, in the present embodiment, only illustrate the skill that the quantity of flexible circuit board 20 is one
Art scheme.Flexible circuit board (Flexible Printed Circuit, abbreviation FPC) usually uses polyimides or polyester
Film is a kind of wiring board with height reliability made of substrate, has the characteristics that Distribution density is high, light-weight, thickness is thin.
In the present embodiment, flexible circuit board 20 includes the first bent area 201 and the second bent area 202.
Flexible circuit board 20 further includes the first bonding pad 21, the second bonding pad 22, the first cabling area 23 and the second cabling area
24.It is known, it include a plurality of signal lead in flexible circuit board 20, signal lead is used to pass the electric signal in display panel 10
Printed circuit board 30 is transported to, can be used for the electric signal transmission in printed circuit board 30 to display panel 10, signal lead
One end extend in the first bonding pad 21, the other end extends in the second bonding pad 22；It is understood that signal lead according to
It is secondary extend past the first bonding pad 21, the first bent area 201, the first cabling area 23, the second bent area 202, the second cabling area 24,
Second bonding pad 22.
In display device provided in this embodiment, after the completion of display device manufacture, flexible circuit board 20 is in display device
In be bending state.Specifically, the first bent area 201 is in bending state, make the first cabling area 23 in the positive throwing of display panel 10
Shadow is at least partially disposed in display panel 10；Second bent area 202 is in bending state, in the direction perpendicular to display panel 10
On, make the first cabling area 23 and the second cabling area 24 that there is overlapping region X.Flexible circuit board 20 after bending twice, aobvious
Occupied length reduces in showing device, that is, reduces frame the space occupied of display device.In addition to this, overlapping region X
It is at least partially disposed in display panel 10 in the orthographic projection of display panel 10, also, on the direction perpendicular to display panel 10,
Second cabling area 24 is located at the side of the separate display panel 10 in the first cabling area 23, and it is curved second to be easy to implement flexible circuit board
The bending of folding area.Wherein, the direction perpendicular to display panel 10 please refers to the Z-direction in Fig. 3.
It should be noted that the technical solution in order to clearly illustrate the embodiment of the present invention, in Fig. 4, flexible wires are illustrated
The structural schematic diagram of road plate in the deployed state.
In display device provided in an embodiment of the present invention, flexible circuit board includes the first bent area and the second bent area, soft
Property wiring board in the first bent area under bending state, the first cabling area is at least partially disposed at display in the orthographic projection of display panel
In panel；For flexible circuit board in the case where the second bent area is in bending state, the first cabling area and the second cabling area have overlapping region,
And overlapping region is at least partially disposed in display panel in the orthographic projection of display panel.It is curved twice by carrying out flexible circuit board
Folding, makes flexible circuit board form overlapping region, reduces flexible circuit board in the occupied space of lower frame；And vertical
In on the direction of display panel, overlapping region has overlapping with display panel, so that flexible circuit board is shared display panel and fills in display
Occupied space in setting has further reduced flexible circuit board in the occupied space of lower frame, has been advantageously implemented display dress
The narrow frame set.
In some alternative embodiments, please continue to refer to Fig. 2, Fig. 3 and Fig. 4, printed circuit board is to 10 institute of display panel
Orthographic projection in the plane is located at except display panel 10.In order not to increase the thickness of display device, printed circuit board is to display
Panel 10 orthographic projection in the plane do not overlapped with display panel 10.
In some alternative embodiments, please continue to refer to Fig. 2, Fig. 3 and Fig. 4, display panel 10 includes being oppositely arranged
Upper surface 11 and lower surface 12, flexible circuit board 20 are electrically connected with the upper surface 11 of display panel 10, and the first cabling area 23 with
Second cabling area 24 is located at 12 side of lower surface of display panel 10；Flexible circuit board 20 is curved in the first bent area 201 and second
It is in bending state at folding area 202, and flexible circuit board 20 is S-type.In display device provided in this embodiment, upper surface 11 is
Light-emitting surface, as, display device are used to show a side surface of picture.Flexible circuit board 20 is bent to lower surface from upper surface 11
12, longer flexible circuit board 20 can be passed through to the side for being hidden in lower surface 12 after bending, flexible circuit board is reduced and exist
The occupied space of lower frame.
In some alternative embodiments, please continue to refer to Fig. 2, Fig. 3 and Fig. 4, display panel 10 further includes being oppositely arranged
Top 101 and bottom 102；Flexible circuit board 20 is electrically connected with 101 side of close top of 10 upper surface 11 of display panel,
And/or flexible circuit board 20 is electrically connected with 102 side of close bottom of 10 upper surface 11 of display panel.It is provided in this embodiment aobvious
In showing device, there are three types of the connection types of flexible circuit board 20: the first, flexible circuit board 20 and 10 upper surface 11 of display panel
101 side of close top electrical connection；Second, the close bottom 102 of flexible circuit board 20 and 10 upper surface 11 of display panel
Side electrical connection；The third, the quantity of flexible circuit board 20 is at least two, the close top of 10 upper surface 11 of display panel
102 side of close bottom of 10 upper surface 11 of 101 sides and display panel is electrically connected with flexible circuit board 20.The present embodiment mentions
In the display device of confession, there are many connection types of flexible circuit board 20, can satisfy the design requirement of different display devices.
In some alternative embodiments, incorporated by reference to reference Fig. 2 and Fig. 4.First bonding pad 21 is strip, and second connects
Area 22 is strip；Length L21 of the length L22 of second bonding pad 22 less than the first bonding pad 21.Display provided in this embodiment
In device, the length L22 of the second bonding pad 22 therefore can be by printed circuit board 30 less than the length L21 of the first bonding pad 21
Length setting it is smaller, it is to be understood that the length L22 of the second bonding pad 22 is smaller, corresponding printed circuit board 30
Length can be arranged smaller, to more be conducive to save the occupied space in a display device of printed circuit board 30.It can
Choosing, the first bonding pad 21 is strip, and the second bonding pad 22 is strip；The extending direction of first bonding pad 21 is connect with second
The extending direction in area 22 is parallel
In some alternative embodiments, referring to FIG. 5, Fig. 5 is another in display device provided in an embodiment of the present invention
The schematic diagram of the section structure of kind flexible circuit board.Flexible circuit board 20 at the first bent area 201 with a thickness of d1, flexible circuitry
Plate 20 at the second bent area 202 with a thickness of d2, flexible circuit board 20 at the first cabling area 23 with a thickness of D1, flexible wires
Road plate 20 at the second cabling area 24 with a thickness of D2；Wherein, d1 < D1, d2 < D1, d1 < D2, d2 < D2.Optionally,
0.1mm≤d1≤0.3mm, 0.1mm≤d2≤0.3mm, 0.3mm≤D1≤0.6mm, 0.3mm≤D2≤0.6mm.The present embodiment
In the display device of offer, thickness of the flexible circuit board 20 at the first bent area 201, the second bent area 202 is smaller, respectively less than
First cabling area 23 and thickness in the second cabling area 24.By by the flexibility at the first bent area 201, the second bent area 202
The thickness of wiring board is thinned, and flexible circuit board 20 can be made to be easier to bend in the first bent area 201 and the second bent area 202,
It is advantageously implemented the first cabling area 23 and the second cabling area 24 and forms the technical solution of overlapping region X.
In some alternative embodiments, Fig. 6 and Fig. 7 are please referred to, Fig. 6 is in display device provided in an embodiment of the present invention
The schematic diagram of the section structure of another flexible circuit board, Fig. 7 are a kind of the schematic diagram of the section structure of the AA ' line along Fig. 6.Flexible wires
Road plate 20 further includes conductive layer 40, and conductive layer 40 includes a plurality of signal lead 401, and signal lead 401 is used for transmission electric signal, and
Second bonding pad 22 is extended to by the first bonding pad 21；Conductive layer 40 includes the first side 41 and second side being oppositely arranged
42, the first side 41 and second side 42 of conductive layer are covered each by matcoveredn 50；Protective layer 50 is at the first bent area 201
With a thickness of db1, protective layer 50 at the second bent area 202 with a thickness of db2, thickness of the protective layer 50 at the first cabling area 23
Degree is DB1, protective layer 50 at the second cabling area 24 with a thickness of DB2, it should be noted that the thickness of protective layer, which refers to, is located at conduction
The thickness of the protective layer of the wherein side of layer；Wherein, db1 < DB1, db2 < DB1, db1 < DB2, db2 < DB2.The present embodiment
In the display device of offer, thickness of the protective layer 50 of flexible circuit board 20 at the first bent area 201, the second bent area 202
It is smaller, respectively less than in the first cabling area 23 and thickness in the second cabling area 24.By the way that the first bent area 201, second is bent
50 thickness of protective layer of flexible circuit board 20 at area 202 is thinned, and flexible circuit board 20 can be made in the first bent area 201 and the
Two bent areas 202 are easier to bend, and are advantageously implemented the first cabling area 23 and the second cabling area 24 and form the technology of overlapping region X
Scheme.
In some alternative embodiments, Fig. 3 and Fig. 8 are please referred to, Fig. 8 is another display provided in an embodiment of the present invention
The schematic diagram of the section structure of device.Fig. 8 has continued to use the appended drawing reference of Fig. 3.Flexible circuit board 20 has the first table being oppositely arranged
Face 20a and second surface 20b.Referring to FIG. 8, the contact surface that flexible circuit board 20 is electrically connected with display panel 10 is located at the first table
Face 20a, the contact surface that flexible circuit board 20 is electrically connected with printed circuit board 30 are located at first surface 20a.Or referring to FIG. 3,
The contact surface that flexible circuit board 20 is electrically connected with display panel 10 is located at first surface 20a, flexible circuit board 20 and printed circuit
The contact surface that plate 30 is electrically connected is located at second surface 20b.The first surface 20a and second surface 20b of flexible circuit board 20
To be connect with printed circuit board 30, can specific implementation situation according to display device be configured.
In some alternative embodiments, please referring to Fig. 9 Fig. 9 is another display device provided in an embodiment of the present invention
Planar structure schematic diagram.Fig. 9 has continued to use the appended drawing reference of Fig. 2.Display panel 10 includes viewing area AA and peripheral region BB, viewing area
AA includes a plurality of grid line 70 and multiple data lines 71；Peripheral region BB is provided at least two chips 60, chip 60 and a plurality of grid
Polar curve 70 and/or multiple data lines 71 are electrically connected；First bonding pad 21 is electrically connected at least two chips 60.The present embodiment provides
Display device in, the specific embodiment mode that chip 60 is electrically connected with a plurality of grid line 70 and/or multiple data lines 71 has three
Kind: the first, chip 60 is electrically connected with a plurality of grid line 70；Second, chip 60 is electrically connected with multiple data lines 71；Third
Kind, chip 60 is electrically connected with a plurality of grid line 70 and multiple data lines 71.It in Fig. 9, only illustrates second, chip 60 and more
The embodiment that data line 71 is electrically connected.In display device provided in this embodiment, chip 60 can handle grid line 70 and/
Or the electric signal of multiple data lines 71.
In some alternative embodiments, Figure 10 is the planar structure of another display device provided in an embodiment of the present invention
Schematic diagram.Figure 10 has continued to use the appended drawing reference of Fig. 2.Figure 10 the difference from Fig. 2 is that, in display device shown in Fig. 10,
Including two flexible circuit board 20.It is understood that in display device provided in an embodiment of the present invention, flexible circuit board 20
Quantity can be specifically arranged according to the size of display panel.Optionally, the quantity of flexible circuit board 20 can for three with
On, the present embodiment is not specifically limited this.It is understood that needing to set in general, the size of the size of display panel is bigger
The quantity for the flexible circuit board 20 set is more.
It should be noted that the display device that various embodiments of the present invention provide, mobile phone, computer, TV, vehicle-mounted aobvious can be
Other display devices having a display function such as showing device, the present invention are not specifically limited this.
Through the foregoing embodiment it is found that in display device provided by the invention, flexible circuit board include the first bent area and
Second bent area, flexible circuit board in the first bent area under bending state, the first cabling area display panel orthographic projection extremely
Small part is located in display panel；Flexible circuit board is in the case where the second bent area is in bending state, the first cabling area and the second cabling
Area has overlapping region, and overlapping region is at least partially disposed in display panel in the orthographic projection of display panel.By will be flexible
Wiring board is bent twice, and flexible circuit board is made to form overlapping region, reduces flexible circuit board occupied by the lower frame
Space；And on the direction perpendicular to display panel, overlapping region have with display panel it is overlapping, make flexible circuit board share
Display panel occupied space in a display device, has further reduced flexible circuit board in the occupied space of lower frame,
It is advantageously implemented the narrow frame of display device.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (6)
1. a kind of display device characterized by comprising
Display panel, at least one flexible circuit board and printed circuit board；
The flexible circuit board includes the first bonding pad, the first bent area, the second bent area and the second bonding pad；
First bonding pad is electrically connected with the display panel, and second bonding pad is electrically connected with the printed circuit board；
First bonding pad is strip, and second bonding pad is strip；The length of second bonding pad is less than described first
The length of bonding pad；
The flexible circuit board further includes the first cabling area being arranged between first bent area and second bent area,
The second cabling area between second bent area and second bonding pad is set；
The flexible circuit board is in the case where first bent area is in bending state, and first cabling area is in the display panel
Orthographic projection is at least partially disposed in the display panel；
The flexible circuit board is in the case where second bent area is in bending state, first cabling area and second cabling area
With overlapping region, and the overlapping region is at least partially disposed in the display panel in the orthographic projection of the display panel,
And on the direction perpendicular to the display panel, second cabling area is located at the separate display in first cabling area
The side of panel, the printed circuit board to the display panel orthographic projection in the plane be located at the display panel it
Outside；
The flexible circuit board at first bent area with a thickness of d1, the flexible circuit board is in second bent area
Place with a thickness of d2, the flexible circuit board at first cabling area with a thickness of D1, the flexible circuit board is described
At second cabling area with a thickness of D2；Wherein, d1 < D1, d2 < D1, d1 < D2, d2 < D2；
The flexible circuit board further includes conductive layer, and the conductive layer includes a plurality of signal lead, and the signal lead is for passing
Power transmission signal, and extend to second bonding pad by first bonding pad is being directed toward described the by first bonding pad
On the routing path of two bonding pads, the signal lead has the wiring area gradually converged；
The conductive layer includes the first side and second side being oppositely arranged, the first side of the conductive layer and described
Second side is covered each by matcoveredn；
The protective layer at first bent area with a thickness of db1, thickness of the protective layer at second bent area
Degree be db2, the protective layer at first cabling area with a thickness of DB1, the protective layer is at second cabling area
With a thickness of DB2；Wherein, db1 < DB1, db2 < DB1, db1 < DB2, db2 < DB2；
The length of second bent area is less than the length of first bonding pad.
2. display device according to claim 1, which is characterized in that
The display panel includes the upper and lower surfaces being oppositely arranged, the institute of the flexible circuit board and the display panel
Upper surface electrical connection is stated, and first cabling area and second cabling area are located at the lower surface side of the display panel；
The flexible circuit board is in bending state at first bent area and second bent area, and the flexible wires
Road plate is S-type.
3. display device according to claim 2, which is characterized in that
The display panel further includes the top and bottom being oppositely arranged；
The flexible circuit board is electrically connected with the close top side of the display panel upper surface and/or the flexibility
Wiring board is electrically connected with the display panel upper surface close to the bottom side.
4. display device according to claim 1, which is characterized in that
The flexible circuit board has the first surface and second surface being oppositely arranged；
The contact surface that the flexible circuit board is electrically connected with the display panel is located at the first surface, the flexible circuit board
The contact surface being electrically connected with the printed circuit board is located at the first surface；Alternatively,
The contact surface that the flexible circuit board is electrically connected with the display panel is located at the first surface, the flexible circuit board
The contact surface being electrically connected with the printed circuit board is located at the second surface.
5. display device according to claim 1, which is characterized in that
First bonding pad is strip, and second bonding pad is strip；
The extending direction of first bonding pad is parallel with the extending direction of second bonding pad.
6. display device according to claim 1, which is characterized in that
The display panel includes viewing area and peripheral region, and the viewing area includes a plurality of grid line and multiple data lines；
The peripheral region is provided at least two chips, the chip and a plurality of grid line and/or a plurality of data line
Electrical connection；
First bonding pad is electrically connected at least two chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765543.6A CN107484328B (en) | 2017-08-30 | 2017-08-30 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765543.6A CN107484328B (en) | 2017-08-30 | 2017-08-30 | A kind of display device |
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|---|---|
| CN107484328A CN107484328A (en) | 2017-12-15 |
| CN107484328B true CN107484328B (en) | 2019-09-24 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111727505A (en) * | 2018-01-29 | 2020-09-29 | 深圳市柔宇科技股份有限公司 | Flexible electronic device |
| CN108445660B (en) * | 2018-02-09 | 2020-09-18 | 武汉华星光电技术有限公司 | COF single-layer flexible circuit board and corresponding liquid crystal display |
| CN108447396B (en) * | 2018-02-26 | 2020-11-03 | 上海天马微电子有限公司 | Display device |
| CN108761627A (en) * | 2018-05-22 | 2018-11-06 | 武汉华星光电技术有限公司 | Special-shaped panel plate |
| CN109496067B (en) * | 2018-12-27 | 2020-09-15 | 厦门天马微电子有限公司 | Flexible circuit board, display panel and display device |
| CN113345321A (en) * | 2020-03-02 | 2021-09-03 | 南京瀚宇彩欣科技有限责任公司 | Flexible display |
| CN113870691A (en) * | 2020-06-30 | 2021-12-31 | 京东方科技集团股份有限公司 | Display device and electronic apparatus |
| CN111696461B (en) * | 2020-06-30 | 2022-05-27 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113066832B (en) * | 2021-03-17 | 2023-01-13 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN117642787A (en) * | 2022-06-30 | 2024-03-01 | 京东方科技集团股份有限公司 | Display device and manufacturing method thereof |
| CN115359731B (en) * | 2022-08-24 | 2023-12-22 | 京东方科技集团股份有限公司 | Display module and display device |
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| JP4651886B2 (en) * | 2001-09-14 | 2011-03-16 | 東北パイオニア株式会社 | Electronic device and method for manufacturing electronic device |
| JP2011059149A (en) * | 2009-09-07 | 2011-03-24 | Hitachi Displays Ltd | Electronic device |
| KR101891989B1 (en) * | 2012-08-10 | 2018-10-01 | 엘지디스플레이 주식회사 | Flexible Printed Circuit Film and Display Device using the same |
| TWI518649B (en) * | 2013-06-14 | 2016-01-21 | 友達光電股份有限公司 | Display module |
| CN103309069B (en) * | 2013-07-05 | 2016-09-21 | 深圳市华星光电技术有限公司 | The Fanout line structure of array base palte and display floater |
| CN203467067U (en) * | 2013-09-23 | 2014-03-05 | 北京经纬恒润科技有限公司 | Circuit board connection structure and EPB actuator with application of circuit board connection structure |
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