CN108231854A - Flexible display substrate, flexible display panel and flexible display device - Google Patents
Flexible display substrate, flexible display panel and flexible display device Download PDFInfo
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- CN108231854A CN108231854A CN201810011136.0A CN201810011136A CN108231854A CN 108231854 A CN108231854 A CN 108231854A CN 201810011136 A CN201810011136 A CN 201810011136A CN 108231854 A CN108231854 A CN 108231854A
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- 230000008054 signal transmission Effects 0.000 claims abstract description 124
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- 238000010586 diagram Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 2
- 239000004697 Polyetherimide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000004425 Makrolon Substances 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the invention discloses a flexible display substrate, a flexible display panel and a flexible display device, wherein the flexible display substrate comprises a display area and a peripheral circuit area, the peripheral circuit area comprises a bending area positioned on one side of the display area, and the flexible display substrate further comprises: a substrate base plate; the substrate comprises a substrate base plate, a plurality of signal transmission lines formed on the substrate base plate, at least two signal transmission lines are electrically connected to form signal transmission units in the bending area, each signal transmission unit at least comprises a first signal transmission line and a second signal transmission line, a first through hole is formed in the first signal transmission line, and a second through hole is formed in the second signal transmission line. By adopting the technical scheme, at least two signal transmission lines are electrically connected to form the signal transmission unit, and each signal transmission line is provided with the through hole, so that the signal transmission unit is not easy to break in a bending area, and the flexible display substrate can normally display.
Description
Technical field
The present embodiments relate to display technology field more particularly to a kind of flexible display substrates, flexible display panels and
Flexible display apparatus.
Background technology
Display device of the flexible display as a new generation, because it is regarded with thin and light, high contrast, quick response, width
The advantages that angle, high brightness, full color, therefore in mobile phone, personal digital assistant (PDA), digital camera, car-mounted display, notebook
Computer, wall hung television and military field etc. are widely used prospect.
In existing flexible display, in order to promote the screen accounting of viewing area, reduce the border width below viewing area, can incite somebody to action
Flexible base board is folded into the back side of display area.But when the edge below viewing area is folded into the back side of viewing area, also can
The bending and stretching of metal routing are caused, the phenomenon that region is susceptible to metal routing fracture is being bent, is influencing flexible display
Normal display.
Invention content
In view of this, the embodiment of the present invention provides a kind of flexible display substrates, flexible display panels and flexible display apparatus,
It is easily broken in bending region with solving metal routing in the prior art, influences the technology that flexible display is normally shown and ask
Topic.
In a first aspect, an embodiment of the present invention provides a kind of flexible display substrates, including viewing area and periphery circuit region, institute
Periphery circuit region is stated to include, positioned at the bent area of the viewing area side, further including：
Underlay substrate；
The a plurality of signal transmssion line being formed on the underlay substrate, in the bent area, at least two signals pass
Defeated line is electrically connected to form signal transmission unit, and each signal transmission unit includes at least the first signal transmssion line and the second letter
Number transmission line, and first through hole is formed on first signal transmssion line, it is formed with second on the second signal transmission line
Through-hole.
Second aspect, the embodiment of the present invention additionally provide a kind of flexible display panels, including the flexibility described in first aspect
Display base plate further includes the counter substrate being arranged oppositely with the flexible display substrates.
The third aspect, the embodiment of the present invention additionally provide a kind of flexible display apparatus, including the flexibility described in second aspect
Display panel.
Flexible display substrates provided in an embodiment of the present invention, flexible display panels and flexible display apparatus, Flexible Displays base
Plate includes viewing area and bent area, and in bent area, at least two bars transmission lines are electrically connected to form signal transmission unit, and first
First through hole is formed on signal transmssion line, the second through-hole is formed on second signal transmission line, ensures that signal transmission unit exists
Bent area is not susceptible to be broken, and flexible display substrates can normally be shown, promotes the product yield of flexible display substrates.
Description of the drawings
In order to clearly illustrate the technical solution of exemplary embodiment of the present, below to required in description embodiment
The attached drawing to be used does a simple introduction.Obviously, the attached drawing introduced is the part of the embodiment of the invention to be described
The attached drawing of attached drawing rather than whole, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structure diagram of flexible display substrates；
Fig. 2 is the planar structure schematic diagram of flexible display substrates shown in Fig. 1；
Fig. 3 is a kind of structure diagram of flexible display substrates provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention；
Fig. 6 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention；
Fig. 7 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention；
Fig. 8 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention；
Fig. 9 is a kind of structure diagram of flexible display panels provided in an embodiment of the present invention；
Figure 10 is a kind of structure diagram of flexible display apparatus provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to attached in the embodiment of the present invention
Figure, by specific embodiment, is fully described by technical scheme of the present invention.Obviously, described embodiment is of the invention
Part of the embodiment, instead of all the embodiments, based on the embodiment of the present invention, those of ordinary skill in the art are not doing
The every other embodiment obtained under the premise of going out creative work, each falls within protection scope of the present invention.
Fig. 1 is a kind of structure diagram of flexible display substrates；Fig. 2 is the planar structure of flexible display substrates shown in Fig. 1
Schematic diagram, as depicted in figs. 1 and 2, flexible display substrates can include viewing area 11 and periphery circuit region 12, periphery circuit region 12
It can include positioned at the bent area 13 of 11 side of viewing area and positioned at binding area 14 of the bent area 13 far from 11 side of viewing area；
It can also include：
Underlay substrate 15；
The a plurality of signal transmssion line 16 being formed on underlay substrate 15.
Illustratively, as depicted in figs. 1 and 2, in order to promote the screen accounting of viewing area 11, reduce the side of 11 lower section of viewing area
Flexible display substrates can be folded into the back side of viewing area 11 by edge width at 13 corresponding position of bent area, since flexibility is aobvious
Show that substrate is provided with a plurality of signal transmssion line 16 at bent area 13, be so likely to result in signal transmssion line 16 in bending process
It is middle to be broken, cause transmission signal can not normal transmission to viewing area 11, cause flexible display substrates display abnormal.
Based on above-mentioned technical problem, an embodiment of the present invention provides a kind of flexible display substrates, including viewing area and periphery
Circuit region, periphery circuit region include, positioned at the bent area of viewing area side, further including：Underlay substrate；It is formed on underlay substrate
A plurality of signal transmssion line, in bent area, at least two bars transmission lines are electrically connected to form signal transmission unit, and each signal passes
Defeated unit includes at least the first signal transmssion line being arranged in parallel and second signal transmission line, and is formed on the first signal transmssion line
There is first through hole, the second through-hole is formed on second signal transmission line.The technical solution of the embodiment of the present invention, by bent area
Setting at least two bars transmission lines are electrically connected to form signal transmission unit, and are formed with through-hole on every bars transmission line, such as
This, ensures that signal transmission unit is not susceptible to be broken in bent area, ensures that transmission signal can be ensured with normal transmission to viewing area
Flexible display substrates can be normally carried out showing, flexible display substrates can work normally, and promote the product of flexible display substrates
Yield.
It is the core concept of the present invention above, below in conjunction with the attached drawing in the embodiment of the present invention, to the embodiment of the present invention
In technical solution be clearly and completely described.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Under the premise of making creative work, all other embodiments obtained shall fall within the protection scope of the present invention.
Fig. 3 is a kind of structure diagram of flexible display substrates provided in an embodiment of the present invention, as shown in figure 3, of the invention
The flexible display substrates that embodiment provides include viewing area 21 and periphery circuit region 22, and periphery circuit region 22 includes being located at viewing area
The bent area 23 of 21 sides and positioned at binding area 24 of the bent area 23 far from 11 side of viewing area；
It further includes：
Underlay substrate 25；
The a plurality of signal transmssion line 26 being formed on underlay substrate 25, in bent area 23, at least two bars transmission lines 26
Signal transmission unit 27 is electrically connected to form, each signal transmission unit 27 includes at least the first signal transmssion line 261 and the second letter
Number transmission line 262, and first through hole 263 is formed on the first signal transmssion line 261, it is formed on second signal transmission line 262
Second through-hole 264.
In the embodiment of the present invention, as shown in figure 3, each signal transmission unit 27 includes at least the first signal transmssion line 261
With second signal transmission line 262, and first through hole 263, second signal transmission line 262 are formed on the first signal transmssion line 261
On be formed with the second through-hole 264, by setting through-hole on signal transmssion line 26, can not only reduce the first signal transmssion line
261 and the stress that is subject in the process of bending of second signal transmission line 262, reduce the first signal transmssion line 261 and second signal
The possibility that transmission line 262 is broken in the process of bending；Meanwhile at least two bars transmission lines 26 is set to be electrically connected to form
Signal transmission unit 27, in this way, even if wherein a bars transmission line 26 is broken in the process of bending, entire signal transmission
Unit 27 still can ensure that signal can ensure flexible display substrates by normal transmission to viewing area 21 with normal transmission signal
It can normally show, work normally；Also, the first signal transmssion line 261 of setting and second signal transmission line 262 are electrically connected to form
Signal transmission unit 27 can also reduce the resistance of entire signal transmission unit 27, reduce power consumption and reduce signal in signal
It is lost on transmission unit 27, promotes the display effect of flexible display panels.It should be noted that Fig. 3 is only with signal transmission unit
27 include illustrating for the first signal transmssion line 261 and second signal transmission line 262, it is to be understood that the present invention is real
A plurality of signal transmssion line 26 can also be included by applying the signal transmission unit 27 of example offer, and the embodiment of the present invention is to this without limit
It is fixed.
Optionally, underlay substrate 25 can include the various suitable materials with flexible or bendability characteristics.For example,
Underlay substrate 25 can include fluoropolymer resin, such as polyether sulfone (PES), acrylic resin (PAR), polyetherimide (PEI),
Polyethylene naphthalate (PEN), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyallyl compound,
Polyimides (PI), makrolon (PC) and/or cellulose-acetate propionate (CAP).
With continued reference to Fig. 3, in flexible display substrates provided in an embodiment of the present invention, the first signal transmssion line 261 and second
Signal transmssion line 262 is electrically connected, and position can be passed through by being specifically as follows the first signal transmssion line 261 and second signal transmission line 262
In first connecting line 281 at 262 both ends of the first signal transmssion line 261 and second signal transmission line and positioned at the first signal transmssion line
261 and second signal transmission line 262 among the second connecting line 282 be electrically connected.As shown in figure 3, the first signal transmssion line of setting
261 and second signal transmission line 262 be electrically connected respectively by the first connecting line 281 and the second connecting line 282, first can be increased
Connection area between signal transmssion line 261 and second signal transmission line 262 further reduces entire signal transmission unit 27
Resistance ensures that loss of the transmission signal on signal transmission unit 27 is smaller, ensures that flexible display substrates have good display
Effect.
Optionally, along the extending direction of 25 first edge 251 of vertical substrates substrate, Y-direction as illustrated in the drawing, adjacent two
The distance between a second connecting line 282 is L1, wherein, 10 μm≤L1≤200 μm, further, 20 μm≤L1≤50 μm.It closes
Reason sets the distance between two neighboring second connecting line 282 L1, can both ensure to increase by several second connecting lines 282
Connection area between first signal transmssion line 261 and second signal transmission line 262 reduces the resistance of signal transmission unit 27,
Ensure that loss of the transmission signal on signal transmission unit 27 is smaller；It can ensure the length of L1 and existing flexible display substrates again
Length of the middle signal transmssion line 26 in bent area 23 matches.
It should be noted that Fig. 3 only between two neighboring second connecting line 282 on two signal transmission units 27 away from
It is illustrated for identical from L1, it is to be understood that two neighboring second signal connecting line on unlike signal transmission unit 27
The distance between 282 L1 can two neighboring second signal connection at different or same 27 different location of signal transmission unit
The distance between line 282 L1 can different (not shown)s.Two neighboring second letter on unlike signal transmission unit 27 is set
The distance between number connecting line 282 L1 is different or same 27 different location of signal transmission unit at two neighboring second signal
The distance between connecting line 282 L1 is different, can ensure that unlike signal passes with the resistance of flexible modulation unlike signal transmission unit 27
Resistance on defeated unit 27 is same or similar, reduces the signal transmission unit 27 for being located at bending region 23 due to signal transmssion line
Signal difference caused by resistance difference caused by line length difference.For example, in bent area 23, when the signal of signal transmission unit 27
When transmission line line length is larger, can set on the signal transmission unit 27 between two neighboring second signal connecting line 282 away from
It is smaller from L1, thus by the connection area increased between the first signal transmssion line 261 and second signal transmission line 262, reduce
The resistance of signal transmission unit 27 ensures that loss of the transmission signal on signal transmission unit 27 is smaller；Signal is transmitted in the letter
Loss on number transmission unit 27 is same or similar with the loss on other signal transmission units 27, guarantee Flexible Displays base
Plate show uniformity.
Optionally, with continued reference to Fig. 3, along the extending direction of 25 first edge 251 of underlay substrate, X side as illustrated in the drawing
It is staggered pre-determined distance to, the extending direction of the extending direction of first through hole 263 and the second through-hole 264；Meanwhile second connecting line
282 can include the first end 2821 being connect with the first signal transmssion line 261 and connect with second signal transmission line 262 the
Two ends 2822；Along the extending direction of 25 first edge 251 of underlay substrate, there are crossover regions with first through hole 263 for first end 2821
Domain, there are overlapping regions for the gap between second end 2822 and two neighboring second through-hole 264；Alternatively, along underlay substrate 25
The extending direction at one edge 251, gap between first end 2821 and two neighboring first through hole 263 is there are overlapping region, and
There are overlapping regions for two ends 2822 and the second through-hole 264.Fig. 3 is only with along the extending direction of 25 first edge 251 of underlay substrate, and
With first through hole 263 there are overlapping region, the gap between second end 2822 and two neighboring second through-hole 264 is deposited for one end 2821
It is illustrated for overlapping region.
It is understood that when being bent in bent area 23 to flexible display substrates, bending trace is generally along substrate
The extending direction of 25 first edge 251 of substrate, i.e. X-direction in figure, bending trace is as shown in broken lines.The present invention is implemented
In example, the extending direction along 25 first edge 251 of underlay substrate, the extending direction of first through hole 263 and the second through-hole 264 are set
Extending direction be staggered pre-determined distance, such as can with as shown in figure 3, along 25 first edge 251 of underlay substrate extending direction,
Gap between one through-hole 263 and two neighboring second through-hole 264 is there are overlapping region, the second through-hole 264 and two neighboring the
There are overlapping regions in gap between one through-hole 263；And the second connecting line 282 connects the first signal transmssion line 261 and second
Signal transmssion line 262, the first end 2821 of the second connecting line 282 and first through hole 263 there are overlapping region, second end 2822 with
Gap between two neighboring second through-hole 264 is there are overlapping region, in this way, bending trace will not be completely through signal transmission list
Member 27, signal transmission unit 27 still can continue to transmit signal, ensure that flexible display substrates are normally shown.For example, such as Fig. 3 institutes
Show, bending trace may be broken through the first signal transmssion line 261, the first signal transmssion line 261, still, bend trace
Corresponding with the second through-hole 264 in second signal transmission line 262 simultaneously, the second through-hole 264 can interrupt bending trace, ensure curved
Folding line mark can not run through second signal transmission line 262, and signal can be transmitted by second signal transmission line 262.
Optionally, it is provided with multigroup signal transmission unit 27 in bent area 23, in every group of signal transmission unit 27, the first letter
The quantity of setting first through hole 263 may be the same or different in number transmission line 261；Likewise, second signal transmission line
The quantity of the second through-hole 264 is set to may be the same or different in 262, the embodiment of the present invention is to this without restriction, Fig. 3
It is only identical with the number of first through hole 263 in two groups of signal transmission units 27, it is said for the number of the second through-hole 264 is identical
It is bright.It is understood that need to only ensure that first through hole 263 is uniformly arranged on the first signal transmssion line 261, the second through-hole 264
It is uniformly arranged on second signal transmission line 262, ensures the extending direction along 25 first edge 251 of underlay substrate, through-hole
Random uniformly publication ensures signal transmission unit 27 in 25 first edge 251 of underlay substrate on signal transmssion line 26
There is uniform stress distribution on extending direction.
With continued reference to Fig. 3, the second connecting line 282 can be straight line, ensure that 282 set-up mode of the second connecting line is simple, system
Preparation Method is simple.
Fig. 4 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention, as shown in figure 4, second
Connecting line 282 can also be folding line.The first end 2821 of second connecting line 282 is electrically connected with the first signal transmssion line 261, the
Two ends 2822 are electrically connected with second signal transmission line 262, Fig. 4 with first end 2821 and first through hole 263 there are overlapping region, the
There are illustrated for overlapping region in gap between two ends 2822 and two neighboring second through-hole 264.The second connection of setting
Line 282 is folding line, and the second connecting line 282 does not extend itself along same direction, when in bent area 23 to flexible display substrates
When being bent, bending trace generally along the extending direction of 25 first edge 251 of underlay substrate, i.e. X-direction in figure, bends trace
Mark can not run through the first end 2821 of the second connecting line 282 and second end 2822 simultaneously, ensure the of 282 both sides of the second connecting line
One signal transmssion line 261 and second signal transmission line 262 will not be broken simultaneously, i.e., entire signal transmission unit 27 will not break
It splits, ensures that signal can not be influenced flexible display substrates and shown by 27 normal transmission of signal transmission unit.Optionally,
The shape of second connecting line 282 can be at least one of zigzag, U-shaped line, V-shaped and shape of chinese word Ji, and Fig. 4 is only with second
The shape of connecting line 282 is illustrated for zigzag.It should be noted that when the second connecting line 282 is folding line,
The distance between two neighboring second connecting line 282 can be the distance between two neighboring second connecting line, 282 center line (figure
In be not shown).
Fig. 5 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention, as shown in figure 5, along lining
The extending direction of 25 first edge 251 of substrate, X-direction, the extending direction of first through hole 263 and second lead to as illustrated in the drawing
The extending direction in hole 264 is staggered pre-determined distance；Along the extending direction of 25 first edge 251 of underlay substrate, first end 2821 and
There are overlapping regions for one through-hole 263, and there are overlapping regions for 2822 and second through-hole 264 of second end.
Illustratively, the extending direction of the extending direction of first through hole 263 and the second through-hole 264 is staggered pre-determined distance, example
Such as can with as shown in figure 5, along 25 first edge 251 of underlay substrate extending direction, first through hole 263 and two neighboring second logical
Gap between hole 264 is there are overlapping region, since bending trace is generally along the extension side of 25 first edge 251 of underlay substrate
To, i.e. X-direction in figure, set the extending direction of first through hole 263 be staggered with the extending direction of the second through-hole 264 preset away from
From, it is ensured that it, will not be simultaneously in the first signal transmssion line 261 and second signal transmission line along the extending direction of bending trace
It is broken on 262, ensures that entire signal transmission unit 27 will not be broken, signal transmission unit 27 still can be after resuming
Defeated signal ensures that flexible display substrates are normally shown.Meanwhile along the extending direction of 25 first edge 251 of underlay substrate, setting the
With first through hole 263 there are overlapping region, second end 2822 exists the first end 2821 of two connecting lines 282 with the second through-hole 264
Overlapping region, when the second connecting line 282 is straight line, due to the extension of the extending direction and bending trace of the second connecting line 282
Direction is different, therefore bending trace can not run through the first end 2821 of the second connecting line 282 and second end 2822 simultaneously, that is, bend
Trace can not run through the first signal transmssion line 261 and second signal transmission line 262, the first signal transmssion line 261 and second simultaneously
The possibility that signal transmssion line 262 is broken simultaneously is smaller, and signal still can be transmitted to viewing area 21, ensures Flexible Displays
Substrate is normally shown；When the second connecting line 282 is folding line, the second connecting line 282 does not extend itself along same direction, curved
Folding line mark can not run through the first end 2821 of the second connecting line 282 and second end 2822 simultaneously, ensure 282 both sides of the second connecting line
The first signal transmssion line 261 and second signal transmission line 262 will not be broken simultaneously, i.e., entire signal transmission unit 27 is not
It can be broken, ensure that signal can not be influenced flexible display substrates and shown by 27 normal transmission of signal transmission unit.Fig. 5
Only by the second connecting line 282 to be illustrated for straight line.
It should be noted that in signal transmission unit 27 different in Fig. 5, the connection of the second connecting line 282 is first
Immediate 263 and second through-hole 264 of first through hole in position, so exists in signal transmssion line 261 and second signal transmission line 262
In different signal transmission units 27, the second connecting line 282 has identical development length.It is understood that unlike signal
The development length of second signal connecting line 282 can difference or the different positions of same signal transmission unit 27 on transmission unit 27
The development length for putting the second signal connecting line 282 at place can different (not shown)s.Unlike signal transmission unit 27 is set
Second signal at the development length difference of upper second signal connecting line 282 or same 27 different location of signal transmission unit
The development length of connecting line 282 is different, can ensure unlike signal transmission with the resistance of flexible modulation unlike signal transmission unit 27
Resistance on unit 27 is same or similar, reduces the signal transmission unit 27 for being located at bending region 23 due to signal transmssion line line
Signal difference caused by resistance difference caused by long difference, ensures flexible display substrates show uniformity.
Fig. 6 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention, as shown in fig. 6, along lining
The extending direction of 25 first edge 251 of substrate, X-direction, the extending direction of first through hole 263 and second lead to as illustrated in the drawing
The extending direction in hole 264 is identical；Meanwhile along the extending direction of 25 first edge 254 of underlay substrate, first end 2821 and first is led to
There are overlapping regions in hole 263, and there are overlapping regions for 2822 and second through-hole 264 of second end.
Illustratively, when the second connecting line 282 is straight line, due to the extending direction and the second through-hole of first through hole 263
264 extending direction is identical, and the extending direction of the second connecting line 282 can be identical with bending the extending direction of trace, but by
In the effect of 263 and second through-hole 264 of first through hole, 263 and second through-hole 264 of first through hole can interrupt bending trace, bending
Trace can not run through the first signal transmssion line 261 and second signal transmission line 262, the first signal transmssion line 261 and second simultaneously
The possibility that signal transmssion line 262 is broken simultaneously is smaller, and signal still can be transmitted to viewing area 21, ensures Flexible Displays
Substrate is normally shown.When the second connecting line 282 is folding line, the second connecting line 282 does not extend itself along same direction, curved
Folding line mark can not run through the first end 2821 of the second connecting line 282 and second end 2822 simultaneously, ensure that bending trace can not be simultaneously
Through the first signal transmssion line 261 and second signal transmission line 262；Simultaneously because the work of 263 and second through-hole 264 of first through hole
With 263 and second through-hole 264 of first through hole can interrupt bending trace, ensure the first signal transmission of 282 both sides of the second connecting line
Line 261 and second signal transmission line 262 will not be broken simultaneously, and entire signal transmission unit 27 will not be broken, and ensure signal
It can not influence flexible display substrates by 27 normal transmission of signal transmission unit and shown.Fig. 6 is only with the second connecting line
282 is illustrate for straight line.
Fig. 7 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention, as shown in fig. 7, along lining
The extending direction of 25 first edge 251 of substrate, X-direction, the extending direction of first through hole 263 and second lead to as illustrated in the drawing
The extending direction in hole 264 is identical；Meanwhile along the extending direction of 25 first edge 254 of underlay substrate, first end 2821 and first is led to
There are overlapping regions in hole 263, and there are overlapping regions for the gap between second end 2822 and two neighboring second through-hole 264；Alternatively,
Along the extending direction of 25 first edge 254 of underlay substrate, the gap between first end 2821 and two neighboring first through hole 263 is deposited
In overlapping region, there are overlapping regions for 2822 and second through-hole 264 of second end.
Illustratively, due to the extending direction along 25 first edge 251 of underlay substrate, the extending direction of first through hole 263
It is identical with the extending direction of the second through-hole 264, and along the extending direction of 25 first edge 254 of underlay substrate, first end 2821 with
There are overlapping regions for first through hole 263, and there are crossover regions for the gap between second end 2822 and two neighboring second through-hole 264
Domain, therefore the second connecting line 282 is folding line, as shown in fig. 7, Fig. 7 is with first end 2821, there are crossover regions with first through hole 263
Domain, there are illustrated for overlapping region for the gap between second end 2822 and two neighboring second through-hole 264.By
It is folding line in the second connecting line 282, the second connecting line 282 does not extend itself along same direction, and bending trace can not be simultaneously
Through the first end 2821 of the second connecting line 282 and second end 2822, ensure that bending trace can not be passed through the first signal simultaneously
Defeated line 261 and second signal transmission line 262；Simultaneously because the effect of 263 and second through-hole 264 of first through hole, first through hole 263
Or second through-hole 264 can interrupt bending trace, ensure the first signal transmssion line 261 and second of 282 both sides of the second connecting line
Signal transmssion line 262 will not be broken simultaneously, and entire signal transmission unit 27 will not be broken, and ensure that signal can pass through signal
27 normal transmission of transmission unit does not influence flexible display substrates and is shown.
Optionally, with continued reference to Fig. 3, the first signal transmssion line 261 can include the first boundary line 2611 and the second boundary
Line 2612, second signal transmission line 262 can include 2621 and the 4th boundary line 2622 of third boundary line, wherein, third boundary
Line 2621 is located at close to the side of the second boundary line 2612, and the 4th boundary line 2622 is located remotely from the one of the second boundary line 2612
Side；
Wherein, the shape of the first boundary line 2611, the second boundary line 2612,2621 and the 4th boundary line 2622 of third boundary line
Shape can be straight line.In this way, ensure that the first signal transmssion line 261 and 262 set-up mode of second signal transmission line are simple, preparation side
Method is simple.
Fig. 8 is the structure diagram of another flexible display substrates provided in an embodiment of the present invention, as shown in figure 8, second
The first recess that boundary line 2612 can include the boundary of the first projection portion 2613 and be connect with the first projection portion 2613
The contour connection of the boundary of part 2614, the boundary of multiple first projection portions 2613 and multiple first sunk parts 2614 is formed
The second boundary line 2612；Third boundary line 2621 can include the second projection portion 2623 boundary and with the second projection portion
The boundary of second sunk part 2624 of 2623 connections, the boundary of multiple second projection portions 2623 and multiple second sunk parts
2624 contour connection forms third boundary line 2621.Along the extending direction of 25 first edge 251 of underlay substrate, i.e. X in figure
Direction, there are overlapping region, the second through-hole 264 and the second projection portions 2623 for 263 and first projection portion 2613 of first through hole
There are overlapping regions.As shown in figure 8, there are overlapping region, the second through-holes for 263 and first projection portion 2613 of setting first through hole
264 and second projection portion 2623 there are overlapping region, 263 and second through-hole of first through hole, 264 position setting relationship is reasonable, the
One signal transmssion line 261 and the setting of 262 line width of second signal transmission line are reasonable, and the first signal transmssion line 261 and second signal pass
Defeated 262 setting method of line is simple.
Optionally, with continued reference to Fig. 8, along the extending direction of the first edge 251 of underlay substrate 25, i.e., X shown in figure
Direction, the first projection portion 2613 and the second sunk part 2624 are there are overlapping region, the first sunk part 2614 and second convex
Playing part 2623, there are overlapping regions.It is handed over it is understood that the first projection portion 2613 and the second sunk part 2624 exist
Folded region, there are overlapping regions for the first sunk part 2614 and the second projection portion 2623, can be the first projection portions 2613
It is overlapped with 2624 part of the second sunk part or completely overlapping, 2623 part of the first sunk part 2614 and the second projection portion
Overlapping or completely overlapping, Fig. 8 is only completely overlapping with the first projection portion 2613 and the second sunk part 2624, the first recessed portion
Points 2614 overlapped completely with the second projection portion 2623 for illustrate.Optionally, pass through the first signal transmssion line
There are overlapping region, first is recessed with the second sunk part 2624 of second signal transmission line 262 for 261 the first projection portion 2613
There are overlapping regions for 2614 and second projection portion 2623 of concave portion point, ensure the first signal transmssion line 261 and second signal transmission
Spacing between line 262 is smaller, ensures that bent area 23 can set more multigroup signal transmission unit 27, due to every group of signal transmission
Pixel unit of the unit 27 with viewing area 21 is correspondingly arranged, therefore can ensure that viewing area 21 sets more pixel units,
Meet the design requirement of the high pixel resolution of existing flexible display substrates.Simultaneously as 263 and first projection portion of first through hole
2613 there are overlapping region, the second through-hole 264 and the second projection portions 2623 there are overlapping region, and the first projection portion 2613
There are overlapping regions with the second sunk part 2624, and there are crossover regions for the first sunk part 2614 and the second projection portion 2623
Domain ensures that 263 and second through-hole 264 of first through hole is staggered pre-determined distance, ensures entire signal transmission unit in the process of bending
Stress in identical horizontal direction can be uniformly dispersed, and will not there is a situation where stress concentration in a certain region, reduce signal and pass
The possibility that defeated unit 27 is broken promotes the product yield of flexible display substrates.
Optionally, with continued reference to Fig. 8, the path line of the first projection portion 2613 and the second projection portion 2623 can be ellipse
Circular test line；The path line of first sunk part 2614 and the second sunk part 2624 can be trigonometric function path line or double
Bent function trace line, so ensures the second boundary line 2612 and third boundary line 2621 is smooth curve, and proof stress will not be
It is accumulated on the second boundary line 2612 and third boundary line 2621, reduces the first signal transmssion line 261 and second signal transmission
Fracture possibility occurs in bent area 23 for line 262, promotes the product yield of flexible display substrates.It is understood that Fig. 8 only with
The second boundary line 2612 and third boundary line 2621 include projection portion and sunk part, the first boundary line 2611 and the 4th boundary
Line 2622 is illustrates for straight line, in the embodiment of the present invention, the track of the first boundary line 2611 and the 4th boundary line 2622
Line can be straight line, as shown in Figure 8, or curve, such as with shown in the second boundary line 2612 and third boundary line 2621
Curve, the embodiment of the present invention to this without limit.
Optionally, with continued reference to Fig. 8, along the extending direction of 25 first edge 251 of underlay substrate, i.e., X side shown in figure
To the shortest distance between the first boundary line 2611 and the second boundary line 2612 is L2, the second boundary line 2612 and third boundary
The shortest distance between line 2621 is L3, wherein, 3 μm≤L2≤10 μm, 2 μm≤L3≤10 μm, further, 3.5 μm≤L2
≤ 5 μm, 3 μm≤L3≤6 μm.3 μm≤L2≤10 μm are set, 2 μm≤L3≤10 μm, can both ensure the first signal transmssion line
261 line widths are smaller, and the spacing between the first signal transmssion line 261 and second signal transmission line 262 is smaller, ensure that bent area 23 can
It to set more multigroup signal transmission unit 27, therefore can ensure that viewing area 21 sets more pixel units, meet existing
The design requirement of the high pixel resolution of flexible display substrates；Ensure the setting of above-mentioned L2 and L3 and existing flexible display substrates simultaneously
Preparation process matching, do not increase the complex process degree of the first signal transmssion line 261 and second signal transmission line 262, ensure
First signal transmssion line 261 and 262 preparation process of second signal transmission line are simple.
Optionally, with continued reference to Fig. 8, the shortest distance between 263 and first boundary line 2611 of first through hole is L4, first
The shortest distance between through-hole 263 and the second boundary line 2612 is L5, wherein, 2 μm≤L4≤5 μm, 2 μm≤L5≤5 μm；Into one
Step, 3 μm≤L4≤4 μm, 3 μm≤L5≤4 μm.2 μm≤L4≤5 μm of setting, 2 μm≤L5≤5 μm, it is ensured that the first signal
261 line width of transmission line is smaller, ensures that bent area 23 can set more multigroup signal transmission unit 27, therefore can ensure to show
Area 21 sets more pixel units, meets the design requirement of the high pixel resolution of existing flexible display substrates；On ensureing simultaneously
The setting for stating L4 and L5 is matched with the preparation process of existing flexible display substrates, is not increased by 261 technique of the first signal transmssion line and is answered
Miscellaneous degree ensures that 261 preparation process of the first signal transmssion line is simple.It is understood that Fig. 8 is only to first through hole 263 and
The shortest distance between one boundary line 2611 and the second boundary line 2612 is illustrated, the second through-hole and third boundary line 2621
And the 4th shortest distance between boundary line 2622 can be with 263 and first boundary line 2611 of first through hole and the second boundary line
The shortest distance between 2612 is identical, and which is not described herein again.
Optionally, the shape of 263 and second through-hole 264 of first through hole can include round, ellipse in the embodiment of the present invention
At least one of shape and polygon.Fig. 3-Fig. 8 is as ellipse using the shape of 263 and second through-hole 264 of first through hole
Example illustrates, as shown in figure 3, when the shape of 263 and second through-hole 264 of first through hole is ellipse, oval short axle
The length in direction is L6, and the length of long axis direction is L7, wherein, 2 μm≤L6≤10 μm, 2 μm≤L7≤20 μm；Further, 3
μm≤L6≤5 μm, 2.5 μm≤L7≤6 μm.2 μm≤L6≤10 μm are set, 2 μm≤L7≤20 μm, ensure first through hole 263
Size is matched with the size of the first signal transmssion line 261, the size of the second through-hole 264 and the size of second signal transmission line 262
It matches, several first through hole 263 can be set on the first signal transmssion line 261, can be set on second signal transmission line 262
Several second through-holes 264 reduce the stress that is subject to of signal transmssion line by through-hole, reduce the first signal transmssion line 261 and the
The possibility that binary signal transmission line 262 is broken.
Optionally, the signal transmssion line described in the embodiment of the present invention can be data line, scan line, touch-control line and electrode
At least one of signal wire, the embodiment of the present invention is to this without limiting.
Fig. 9 is a kind of structure diagram of flexible display panels provided in an embodiment of the present invention, and with reference to figure 9, the present invention is real
The flexible display panels for applying example offer include flexible display substrates 1 described in above-described embodiment, can also include and Flexible Displays
The opposite substrate 2 that substrate 1 is oppositely arranged, opposite substrate 2 can be cover board or other encapsulated layers, the embodiment of the present invention to this not
It is defined.It is understood that flexible display panels provided in an embodiment of the present invention can be organic light-emitting diode display
Panel, when flexible display panels are organic LED display panel, which can wrap
The drive circuit layer on the flexible display substrates is included, positioned at organic luminous layer of the circuit layer far from flexible display substrates side,
And the encapsulated layer far from drive circuit layer side on organic luminous layer.Specifically, the drive circuit layer can be to include
The drive circuit layer of at least two thin film transistor (TFT)s and a storage capacitance；The organic luminous layer can include anode electrode, the moon
Pole electrode and the organic light emitting material between anode electrode and cathode electrode；The encapsulated layer can be thin-film package
Layer, is specifically as follows the thin-film encapsulation layer including multilayer inorganic material layer and organic material layer, for organic luminous layer to be protected to exempt from
It is invaded by steam and oxygen.
Figure 10 is a kind of structure diagram of flexible display apparatus provided in an embodiment of the present invention, and with reference to figure 10, flexibility is aobvious
Showing device 100 can include the flexible display panels 101 described in any embodiment of the present invention.Flexible display apparatus 100 can be
Mobile phone shown in Fig. 10, or computer, television set, intelligence wearing display device etc., the embodiment of the present invention does not make this spy
It is different to limit.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiment described here, can carry out for a person skilled in the art various apparent variations,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (20)
1. a kind of flexible display substrates, which is characterized in that including viewing area and periphery circuit region, the periphery circuit region includes position
In the bent area of the viewing area side, further include：
Underlay substrate；
The a plurality of signal transmssion line being formed on the underlay substrate, in the bent area, at least two signal transmssion lines
Signal transmission unit is electrically connected to form, each signal transmission unit includes at least the first signal transmssion line and second signal passes
Defeated line, and first through hole is formed on first signal transmssion line, it is formed with the second through-hole on the second signal transmission line.
2. flexible display substrates according to claim 1, which is characterized in that first signal transmssion line and described second
Signal transmssion line is by being located at the first connecting line and the position of first signal transmssion line and the second signal transmission line both ends
The second connecting line electrical connection among first signal transmssion line and the second signal transmission line；
Second connecting line includes the first end being connect with first signal transmssion line and is transmitted with the second signal
The second end of line connection.
3. flexible display substrates according to claim 2, which is characterized in that along the extension of the underlay substrate first edge
The extending direction of direction, the extending direction of the first through hole and second through-hole is staggered pre-determined distance；
Wherein, along the extending direction of the underlay substrate first edge, there are crossover regions with the first through hole for the first end
Domain, there are overlapping regions for the gap between the second end and two neighboring second through-hole；
Alternatively, along the extending direction of the underlay substrate first edge, the first end and the two neighboring first through hole it
Between gap there are overlapping region, there are overlapping regions with second through-hole for the second end.
4. flexible display substrates according to claim 3, which is characterized in that second connecting line is straight line.
5. flexible display substrates according to claim 3, which is characterized in that second connecting line is folding line.
6. flexible display substrates according to claim 2, which is characterized in that along the extension of the underlay substrate first edge
The extending direction of direction, the extending direction of the first through hole and second through-hole is staggered pre-determined distance；
Wherein, along the extending direction of the underlay substrate first edge, there are crossover regions with the first through hole for the first end
Domain, there are overlapping regions with second through-hole for the second end.
7. flexible display substrates according to claim 2, which is characterized in that along the extension of the underlay substrate first edge
Direction, the extending direction of the first through hole are identical with the extending direction of second through-hole；
Wherein, along the extending direction of the underlay substrate first edge, there are crossover regions with the first through hole for the first end
Domain, there are overlapping regions with second through-hole for the second end.
8. flexible display substrates according to claim 2, which is characterized in that along the extension of the underlay substrate first edge
Direction, the extending direction of the first through hole are identical with the extending direction of second through-hole；
Wherein, along the extending direction of the underlay substrate first edge, there are crossover regions with the first through hole for the first end
Domain, there are overlapping regions for the gap between the second end and two neighboring second through-hole；
Alternatively, along the extending direction of the underlay substrate first edge, the first end is logical with described two neighboring described first
Gap between hole is there are overlapping region, and there are overlapping regions with second through-hole for the second end.
9. flexible display substrates according to claim 2, which is characterized in that along the vertical underlay substrate first edge
The distance between extending direction, adjacent two second connecting lines is L1, wherein, 10 μm≤L1≤200 μm.
10. flexible display substrates according to claim 5, which is characterized in that the shape of second connecting line is Z-shaped
At least one of shape, U-shaped line, V-shaped and shape of chinese word Ji.
11. flexible display substrates according to claim 1, which is characterized in that first signal transmssion line includes first
Boundary line and the second boundary line, the second signal transmission line include third boundary line and the 4th boundary line, the third boundary
Line is located at close to the side of the second boundary line, and the 4th boundary line is located remotely from the side of the second boundary line；
First boundary line, the second boundary line, third boundary line and the 4th boundary line shape be straight line；
Alternatively, the second boundary line includes the boundary of the first projection portion and connect with first projection portion first
The boundary of the boundary of sunk part, the boundary of multiple first projection portions and multiple first sunk parts forms described
The second boundary line；The boundary of the third boundary line including the second projection portion and connect with second projection portion the
The boundary of the boundary of two sunk parts, the boundary of multiple second projection portions and multiple second sunk parts forms institute
State third boundary line；Along the extending direction of the underlay substrate first edge, the first through hole and first projection portion
There are overlapping region, there are overlapping regions with second projection portion for second through-hole.
12. flexible display substrates according to claim 11, which is characterized in that along the first edge of the underlay substrate
Extending direction, there are overlapping region, first sunk part and institutes with second sunk part for first projection portion
Stating the second projection portion, there are overlapping regions.
13. flexible display substrates according to claim 11, which is characterized in that first projection portion and described second
The path line of projection portion is elliptic function path line；The path line that first sunk part and second sunk part are
For trigonometric function path line or hyperbolic functions path line.
14. flexible display substrates according to claim 11, which is characterized in that along the first edge of the underlay substrate
Extending direction, the shortest distance between first boundary line and the second boundary line are L2, the second boundary line and institute
It is L3 to state the shortest distance between third boundary line, wherein, 3 μm≤L2≤10 μm, 2 μm≤L3≤10 μm.
15. flexible display substrates according to claim 11, which is characterized in that the first through hole and first boundary
The shortest distance between line is L4, and the shortest distance between the first through hole and the second boundary line is L5, wherein, 2 μm
≤ L4≤5 μm, 2 μm≤L5≤5 μm.
16. flexible display substrates according to claim 1, which is characterized in that the first through hole and second through-hole
Shape include at least one of round, ellipse and polygon.
17. flexible display substrates according to claim 16, which is characterized in that the first through hole and second through-hole
Shape be ellipse, the length of the short-axis direction of the ellipse is L6, and the length of long axis direction is L7, wherein, 2 μm≤L6
≤ 10 μm, 2 μm≤L7≤20 μm.
18. flexible display substrates according to claim 1, which is characterized in that the signal transmssion line includes data line, sweeps
Retouch at least one of line, touch-control line and electrode signal line.
19. a kind of flexible display panels, which is characterized in that including claim 1-18 any one of them flexible display substrates,
Further include the counter substrate being arranged oppositely with the flexible display substrates.
20. a kind of flexible display apparatus, which is characterized in that including the flexible display panels described in claim 19.
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