CN206758036U - A kind of flexible display screen and flexible display apparatus - Google Patents
A kind of flexible display screen and flexible display apparatus Download PDFInfo
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- CN206758036U CN206758036U CN201720358456.4U CN201720358456U CN206758036U CN 206758036 U CN206758036 U CN 206758036U CN 201720358456 U CN201720358456 U CN 201720358456U CN 206758036 U CN206758036 U CN 206758036U
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- flexible display
- display screen
- concave part
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Abstract
The utility model discloses a kind of flexible display screen and flexible display apparatus.Flexible display screen includes：Flexible substrate substrate, the side of flexible substrate substrate are provided with diaphragm, and opposite side sets viewing area and non-display area, wherein, in non-display area, flexible circuit board is bound, flexible PCB transmits a signal to viewing area by signal wire；Cover layer, be arranged at signal wire includes multiple concave parts and connecting portion away from the side surface of flexible substrate substrate one, cover layer close to a side surface of flexible PCB, and connecting portion is used to connect adjacent concave part.During diaphragm is attached using roller; roller is rolled to place relative with the bottom position of concave part; connecting portion and signal wire share the stress of roller jointly; thus the edge stress suffered by the signal wire relative with concave part bottom position does not sharply increase; and then the risk of signal thread breakage can be greatly reduced, so as to improve the product quality of flexible display screen.
Description
Technical field
It the utility model is related to flexible display technologies field, more particularly to a kind of flexible display screen and flexible display apparatus.
Background technology
Flexible display technologies are the study hotspots of display technology field in recent years, because it has thinner, more anti-vibration, more
The advantages of light, it is widely used in civil area and military field.Flexible Displays may be defined as using very thin flexible substrate
The substrate of display panel is made, it can bend to radius of curvature and there was only several centimetres or the smaller display without damaging display panel
Function.
Flexible display apparatus is general when making first to fix flexible base board on the glass substrate, then the flexibility after carrying out
Display panel manufacture craft, such technique is mutually compatible with existing display panel Preparation equipment, and flexible display panels complete
Flexible base board is separated with glass substrate again afterwards, attaching notacoria at the back side of flexible base board again afterwards planarizes flexible base board,
It is last to carry out the techniques such as chip on film (COF, Chip On Film) binding again.
A kind of existing flexible display screen, it is generally included：Flexible substrate substrate, it is arranged at flexible substrate substrate binding area
FPC (flexible PCB, English full name are Flexible Printed Circuit, abbreviation FPC), by the aobvious of flexible display screen
Show that signal is transmitted to the signal wire of viewing area by FPC, for covering the cover layer of signal wire and being arranged at flexible liner base
The diaphragm of backboard side.
When attaching diaphragm in the dorsal part of flexible substrate substrate, in order to prevent being produced between diaphragm and flexible substrate substrate
Anger bubble, it usually needs using roller diaphragm surface scrolls, to extrude bubble.Roller is during rolling, signal
Line and cover layer share the stress of roller jointly, when roller is rolled to place relative with marginal position of the cover layer close to FPC sides
When, cover layer no longer shares the stress of roller, and now the stress of roller is all undertaken by signal wire, thus, on the side of cover layer
Edge opening position, the stress that signal wire is subject to can increase suddenly, so as to easily cause the signal thread breakage of cover layer edge, and then
Influence the product quality of flexible display screen.
Utility model content
The purpose of this utility model is to provide a kind of flexible display screen and flexible display apparatus, to reduce using roller soft
Property underlay substrate dorsal part signal wire easy fracture when attaching diaphragm risk, and then improve the product quality of flexible display screen.
The utility model embodiment provides a kind of flexible display screen, including：
Flexible substrate substrate, the side of the flexible substrate substrate are provided with diaphragm, opposite side set viewing area and
Non-display area, wherein：
In the non-display area, flexible circuit board is bound, the flexible PCB is transmitted signal by signal wire
To the viewing area；
Cover layer, the cover layer is arranged at the signal wire away from the side surface of flexible substrate substrate one, described to cover
Epiphragma includes multiple concave parts and connecting portion close to a side surface of the flexible PCB, and the connecting portion is adjacent for connecting
The concave part.
In the utility model embodiment, cover layer includes multiple concave parts and use close to a side surface of flexible PCB
Connecting portion in connection adjacent grooves portion.During diaphragm is attached at into flexible substrate substrate backside using roller, when
When roller is rolled to the bottom margin of concave part, connecting portion and signal wire share the stress of roller jointly, and in the prior art, when
Roller is rolled to the marginal position of cover layer, and signal wire will undertake whole stress of roller, thus compared to existing technologies,
Edge stress suffered by the signal wire relative with concave part position is relatively small, and does not sharply increase, thus can be significantly
Reduce the risk of signal thread breakage, can further improve the product quality of flexible display screen.
Optionally, the signal wire is correspondingly arranged in the concave part region.
Optionally, the width of the concave part is 0.5mm~2mm.
Optionally, the concave part is circular arc.
Optionally, the edge of adjacent described two concave parts is tangent or intersecting setting.
Specifically, the multiple concave part is arranged at intervals in the cover layer close to the side of the flexible PCB.
Optionally, the connecting portion is raised arc-shaped structure.
Specifically, the connecting portion is identical with the shape of the concave part.
The utility model embodiment provides a kind of flexible display apparatus, including the flexibility described in any of the above-described technical scheme shows
Display screen.Because flexible display screen is when attaching diaphragm, the risk of signal thread breakage has obtained effective reduction, thus Flexible Displays
The product quality of device can effectively improve.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the utility model embodiment flexible display screen；
Fig. 2 is the signal using roller when the dorsal part of flexible substrate substrate attaches diaphragm in the utility model embodiment
Figure；
Fig. 3 is Fig. 1 A-A to schematic cross-section；
Fig. 4 is the spaced schematic diagram of concave part of the utility model embodiment cover layer；
Fig. 5 is the concave part and connecting portion shape identical schematic diagram of the utility model embodiment cover layer；
Fig. 6 is the intersecting schematic diagram set of the adjacent concave part of the utility model embodiment cover layer；
Fig. 7 is the schematic diagram of the adjacent tangent setting of concave part of the utility model embodiment cover layer；
Fig. 8 is that the concave part of the utility model embodiment cover layer is the schematic diagram of " bowl " type；
Fig. 9 is the structural representation of the utility model embodiment flexible display apparatus；
Figure 10 be the utility model embodiment when flexible display apparatus is display device of electronic paper, display device of electronic paper
Cross section structure schematic diagram.
Description of reference numerals：
10- flexible substrate substrates
20- diaphragms
Z1- viewing areas
Z2- non-display areas
30- flexible PCBs
31- signal wires
32- cover layers
320- concave parts
321- connecting portions
40- rollers
400- flexible display apparatus
50- charged particles
60- array base paltes
61- glass substrates
62- thin film transistor (TFT)s
63- pixel electrodes
70- public electrodes
90- electrophoresis
Embodiment
In order to reduce the risk for using roller signal wire easy fracture when flexible substrate substrate backside attaches diaphragm, and then
The product quality of flexible display screen is improved, the utility model embodiment provides a kind of flexible display screen and flexible display apparatus.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Base
Embodiment in the utility model, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not made
There is other embodiment, belong to the scope of the utility model protection.
As shown in FIG. 1 to 3, the utility model embodiment provides a kind of flexible display screen, including：
Flexible substrate substrate 10, the side of flexible substrate substrate 10 are provided with diaphragm 20, and opposite side sets viewing area
Z1 and non-display area Z2, wherein：
In non-display area Z2, flexible circuit board 30 is bound, flexible PCB 30 is transmitted signal by signal wire 31
To viewing area Z1；
Cover layer 32, cover layer 32 are arranged at signal wire 31 and leaned on away from the side surface of flexible substrate substrate 10 1, cover layer 32
One side surface of nearly flexible PCB 30 includes multiple concave parts 320 and connecting portion 321, and connecting portion 321 is adjacent for connecting
Concave part 320.
In the utility model embodiment, cover layer 32 includes multiple concave parts close to a side surface of flexible PCB 30
320 and for connecting the connecting portion 321 in adjacent grooves portion 320.As shown in Fig. 2 diaphragm 20 is attached at using roller 40
During the dorsal part of flexible substrate substrate 10, when roller is rolled to the bottom margin of concave part, connecting portion and signal wire are common
The stress of roller is shared, and in the prior art, after roller is rolled to the marginal position of cover layer, signal wire will undertake roller
Whole stress, thus compared to existing technologies, the edge stress phase suffered by the signal wire 31 relative with the position of concave part 320
To smaller, and do not sharply increase, thus the risk of the fracture of signal wire 31 can be greatly reduced, can further improve flexible aobvious
The product quality of display screen.
It should be noted that the dorsal part of flexible substrate substrate mentioned above refers to flexible display screen when in use, far
From the side of user, accordingly, the front side of flexible substrate substrate then refers to flexible display screen when in use, towards user
Side, if herein without specified otherwise, the front side mentioned and dorsal part understand according to this definition.
In an alternative embodiment of the present utility model, signal wire 31 is correspondingly arranged in the region of concave part 320.
In the embodiment, it is possible to understand that, the region of concave part 320 is correspondingly arranged signal wire 31, and the region of connecting portion 321 is not
Setting signal line 31.Using such design, diaphragm 20 is being attached at the dorsal part of flexible substrate substrate 10 using roller 40
During, when roller is rolled to the bottom margin of concave part, the connecting portion and signal wire of cover layer share roller jointly
Stress, and in the prior art, when roller is rolled to the marginal position of cover layer, whole stress of roller are held by signal wire
Load, thus stress of the signal wire in edge can increase suddenly, in the technical program, because connecting portion can share the one of roller
Part stress, thus at the bottom margin of concave part, the stress of signal wire will not sharply increase, and then it is located at concave part bottom
The risk of the signal thread breakage at place is also smaller, can further improve the product quality of flexible display screen.
Please continue to refer to shown in Fig. 3, in the utility model another optional embodiment, the width L of concave part 320 is
0.5mm~2mm.Present inventor learns by test of many times, when the width of concave part 320 is less than 0.5mm, concave part
320 width is too small, can not disperse the stress of greater number of signal wire 31；It is recessed when the width of concave part 320 is more than 2mm
The width of groove portion 320 is excessive, and accordingly, the width of connecting portion 321 is smaller, thus when roller is behind the bottom of concave part 320,
The roller stress that connecting portion 321 is shared is smaller, the edge stress that the signal wire 31 in the bottom of concave part 320 is subject to still compared with
Greatly, still there is larger risk of breakage in signal wire 31.To sum up, when the width of concave part 320 is between 0.5mm~2mm,
The edge stress that signal wire 31 is subject to is smaller, thus its risk of breakage is also smaller, so as to lift the display effect of flexible display screen.
It should be noted that the concrete shape of concave part 320 is unlimited, such as can be rectangle or circular arc etc..Tool
When body is implemented, the concrete shape of concave part can be designed as needed.
In embodiment as shown in Figure 4 to 7, concave part 320 is circular groove portion.
As shown in Figure 4, Figure 5, in one specific embodiment of the utility model, multiple concave parts 320 lean in cover layer 32
The side of nearly flexible PCB is arranged at intervals, and the shape of connecting portion 321 is not limited, for example, as shown in figure 5, can with it is recessed
The shape of groove portion 320 is identical, is arc-shaped convex.In addition, in embodiment as shown in Figure 6, the adjacent edge of concave part 320 is also
Setting can be intersected；In embodiment as shown in Figure 7, the adjacent edge of concave part 320 tangent can also be set.When adjacent recessed
When groove portion 320 is using tangent or intersecting set-up mode, while concave part 320 are increased, connecting portion is also considerably increased
321 quantity, so as to which more decentralized signal lines 31 are answered in cover layer 32 close to what a lateral edges of flexible PCB 30 were subject to
Power, risk of breakage is reduced, so as to improve the display effect of flexible display screen.
It should be noted that in the embodiment shown in fig. 8, the shape of concave part 320 can also be class " bowl " type structure.Its
In, class " bowl " type structure refers to that the bottom of concave part 320 is plane, and sidepiece is the structure of circular arc.When the shape of concave part 320
When shape uses class " bowl " type structure design, the width of concave part 320 can be made larger, but still should be at 0.5mm~2mm it
Between, it can so increase the width of the wiring area of signal wire 31 in each concave part 320, and then can be in each concave part 320
It is interior to accommodate greater number of signal wire 31.
Wherein, the shape of connecting portion 321 is also unlimited, and the shape of connecting portion 321 can be with concave part 320 during specific implementation
Shape is identical, can also be differed with the shape of concave part 320.For example, in a kind of specific embodiment, as shown in figure 5,
Connecting portion 321 is the structure of raised arc-shaped, and can be identical with the shape of concave part 320.
As shown in figure 9, the utility model embodiment additionally provides a kind of flexible display apparatus 400, including foregoing any reality
Apply the flexible display screen of example.Wherein, the particular type of flexible display apparatus is unlimited, for example, can also be computer, Electronic Paper or
Vehicular display device etc..Because flexible display screen is in the technical process of diaphragm and de-bubble is attached, signal is effectively reduced
The risk of thread breakage, so as to improve the product quality of flexible display apparatus.
Specifically, flexible display apparatus can be display device of electronic paper, as shown in Figure 10, in this specific embodiment, electricity
Sub- paper display device includes：
The Electronic Paper and array base palte being oppositely arranged；Wherein：
Electronic Paper, including flexible substrate substrate 10, and flexible substrate substrate 10 is arranged at towards the side of array base palte 60
Electrophoresis 90, side of the flexible substrate substrate 10 away from array base palte 60 be provided with diaphragm 20, close to the one of array base palte 60
Side sets viewing area and non-display area, in non-display area, binds flexible circuit board (due to viewing angle problem, flexible electrical
Road plate is not shown), flexible PCB transmits a signal to viewing area by signal wire 31；
Cover layer 32, cover layer 32 are arranged at signal wire 31 and leaned on away from the side surface of flexible substrate substrate 10 1, cover layer 32
One side surface of nearly flexible PCB includes multiple concave parts 320 and connecting portion 321, and connecting portion 321 is adjacent recessed for connecting
Groove portion 320；
Array base palte 60, including glass substrate 61 and be arranged on glass substrate 61 data wire (not shown), sweep
Retouch line (not shown), thin film transistor (TFT) (TFT) 62 and pixel electrode 63；
The public electrode 70 in a whole face is provided between flexible substrate substrate 10 and electrophoresis 90, the public electrode 70 and array
Pixel electrode 63 on substrate 60 is collectively forming electric field, to drive the charged particle 50 in electrophoresis 90 to move, so as to by powered
Particulate 50 reflects the purpose that natural light reaches display.
When flexible display apparatus is Electronic Paper, charged particle 50 is coated in flexibility by generally use silicones as adhesive
Viewing area corresponding to underlay substrate 10, hole is formed around charged particle 50, charged with specific liquid, for example, powered
The white side on the surface of particulate 50 is negative, and the black side on the surface of charged particle 50 is just, shows different electric charges and shape between dichromatism
Into dipole.If the electric signal that signal wire 31 is transferred to viewing area is negative, charged particle 50 will be rotated to black hemisphere court
To front side, if signal wire 31 is transferred to the electric signal of viewing area as just, white hemisphere will be rotated to towards front side, extremely
This, Electronic Paper will display image.
Optionally, cover layer includes multiple concave parts and for connecting adjacent grooves close to a side surface of flexible PCB
The connecting portion in portion.During diaphragm is attached at into flexible substrate substrate backside using roller, when roller is rolled to groove
When at the bottom margin in portion, the connecting portion and signal wire of cover layer share the stress of roller jointly, because connecting portion can share rolling
A part of stress of wheel, thus at the bottom margin of concave part, the stress of signal wire will not sharply increase, and then it is located at groove
The risk of signal thread breakage at portion bottom is also smaller, can further improve the display effect of flexible display screen.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (9)
- A kind of 1. flexible display screen, it is characterised in that including：Flexible substrate substrate, the side of the flexible substrate substrate are provided with diaphragm, and opposite side sets viewing area and non-aobvious Show region, wherein：In the non-display area, flexible circuit board is bound, the flexible PCB transmits a signal to institute by signal wire State viewing area；Cover layer, the cover layer are arranged at the signal wire away from the side surface of flexible substrate substrate one, the cover layer Include multiple concave parts and connecting portion close to a side surface of the flexible PCB, the connecting portion is used to connect adjacent institute State concave part.
- 2. flexible display screen as claimed in claim 1, it is characterised in that the signal wire is correspondingly arranged in the concave part institute In region.
- 3. flexible display screen as claimed in claim 1, it is characterised in that the width of the concave part is 0.5mm~2mm.
- 4. flexible display screen as claimed in claim 1, it is characterised in that the concave part is circular arc.
- 5. flexible display screen as claimed in claim 4, it is characterised in that the edge phase of two concave parts of arbitrary neighborhood Cut or intersect and set.
- 6. flexible display screen as claimed in claim 1, it is characterised in that the multiple concave part is in the cover layer close to institute The side for stating flexible PCB is arranged at intervals.
- 7. flexible display screen as claimed in claim 1, it is characterised in that the connecting portion is raised arc-shaped structure.
- 8. flexible display screen as claimed in claim 7, it is characterised in that the shape phase of the connecting portion and the concave part Together.
- 9. a kind of flexible display apparatus, it is characterised in that including the flexible display screen as described in any one of claim 1~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358456.4U CN206758036U (en) | 2017-04-07 | 2017-04-07 | A kind of flexible display screen and flexible display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358456.4U CN206758036U (en) | 2017-04-07 | 2017-04-07 | A kind of flexible display screen and flexible display apparatus |
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| CN206758036U true CN206758036U (en) | 2017-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110942731A (en) * | 2018-09-21 | 2020-03-31 | 三星显示有限公司 | Protective film for window of display device |
-
2017
- 2017-04-07 CN CN201720358456.4U patent/CN206758036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110942731A (en) * | 2018-09-21 | 2020-03-31 | 三星显示有限公司 | Protective film for window of display device |
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