CN105870152A - Flexible active-matrix organic light-emitting diode (AMOLED) display device and flexible display substrate - Google Patents
Flexible active-matrix organic light-emitting diode (AMOLED) display device and flexible display substrate Download PDFInfo
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- CN105870152A CN105870152A CN201610211834.6A CN201610211834A CN105870152A CN 105870152 A CN105870152 A CN 105870152A CN 201610211834 A CN201610211834 A CN 201610211834A CN 105870152 A CN105870152 A CN 105870152A
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- flexible
- cabling
- display device
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- 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
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- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention relates to a flexible active-matrix organic light-emitting diode (AMOLED) display device and a flexible display substrate. The flexible display substrate comprises a display region and a non-display region, wherein a plurality of wirings are arranged in the non-display region, each wiring comprises a plurality of circuit units, arbitrary one of the circuit units is connected with all adjacent circuit units, the shape of each circuit unit is a closed pattern, and the closed pattern comprises a plurality of line segments or arcs. The circuit unit is the closed pattern, the closed pattern comprises the plurality of line segments of arcs, and thus, the minimum constitutional unit of each wiring is the line segment or the arc; and the width of the line segment or the arc is relatively narrow, the amplitude of wiring impedance conversion can be integrally reduced when the flexible display substrate is bent, thus, the display quality of the flexible display substrate in a region with relatively large bending degree is improved, and the display uniformity of the AMOLED flexible display device is further improved.
Description
Technical field
The present invention relates to display screen technology field, particularly relate to a kind of flexible AMOLED display device and soft
Property display base plate.
Background technology
Along with the high speed development of electronic industry, the popularity rate of electronic equipment is more and more higher, such as PC,
Mobile phone, server etc., all have become as the necessary articles for use of people's daily life.AMOLED(Active-matrix
Organic light-emitting diode, active matrix organic light-emitting diode) as a kind of novel package structure,
There is high chroma, high-contrast, wide viewing angle, high brightness, self-luminous, fast response time, flexibility can be realized
The features such as display, have been widely used in the display screen of the equipment such as mobile phone and media player.
Simultaneously along with the raising of people's life requirement, wearable display electronic equipment have also been obtained more and more extensive
Application.Due to AMOLED flexible display apparatus have can house time keep rolled state consequently facilitating
If carry, when needs work launch can use consequently facilitating user operation, can also hang over with
Presenting the advantages such as wearable state, therefore AMOLED flexible display apparatus obtains in wearable electronic
To being widely applied.
But, when traditional AMOLED flexible display apparatus is applied to the occasion of Flexible Displays, screen body is curved
Bent radian is relatively big, and attenuation ratio is more serious.Due to full frame OLED (Organic light-emitting diode,
Organic light emitting diode) device light emitting efficiency is consistent, and the viewing area that therefore screen body crooked radian is big is (the most curved
The region of thereof adjacent) display quality be decreased obviously, have bright with the little viewing area of screen body crooked radian
Aobvious difference, thus reduce the overall display effect of AMOLED flexible display apparatus.The most how to improve
The show uniformity of tradition AMOLED flexible display apparatus is particularly important.
Summary of the invention
Based on this, it is necessary to uniform for the display that how can improve tradition AMOLED flexible display apparatus
Property problem, it is provided that a kind of flexible AMOLED display device and flexible display substrates.
A kind of flexible AMOLED display device, including flexible display substrates, and described flexible display substrates bag
Being provided with some cablings in including viewing area and non-display area, and described non-display area, described cabling includes some
Line unit；Arbitrary described line unit all connects with all adjacent All other routes unit, and described circuit
Unit be shaped as closed figure, described closed figure be some line segments or arc composition closed figures.
Wherein in an embodiment, described line unit be shaped as regular hexagon.
Wherein in an embodiment, the quantity of described cabling line unit in the direction of the width with described walk
The load of line is directly proportional.
Wherein in an embodiment, the bending counteracting force that described flexible display substrates produces and described cabling
Between angle between 30 ° to 90 °.
Wherein in an embodiment, described flexible AMOLED display device also includes COF flexible base board；
One end of described COF flexible base board connects described flexible display substrates, and the other end is used for connecting printed circuit board (PCB).
Wherein in an embodiment, described COF flexible base board is provided with some COF metal routings；Its
In, described COF metal routing includes anti-fracture portion, and described anti-fracture portion is positioned at described COF flexible base board
The region that bending degree is maximum；Described anti-fracture portion includes some wiring units；The shape of described wiring unit
For closed figure, and arbitrary described wiring unit and all adjacent other wiring units electrical connections.
A kind of flexible display substrates, is applied to flexible AMOLED display device；Described flexible display substrates bag
Being provided with some cablings in including viewing area and non-display area, and described non-display area, described cabling includes some
Line unit；Arbitrary described line unit all connects with all adjacent All other routes unit, and described circuit
Unit be shaped as closed figure, described closed figure be some line segments or arc composition closed figures.
Wherein in an embodiment, described line unit be shaped as regular hexagon.
Wherein in an embodiment, the quantity of described cabling line unit in the direction of the width is negative with cabling
Load size is directly proportional.
Wherein in an embodiment, between bending counteracting force and cabling that described flexible display substrates produces
Angle between 30 ° to 90 °.
Having the beneficial effect that in this flexibility of above-mentioned flexible AMOLED display device and flexible display substrates
In AMOLED display device and flexible display substrates, in non-display area, it is provided with some cablings, and cabling includes
Some line units.Wherein, arbitrary line unit all connects with all adjacent All other routes unit, and line
Road unit be shaped as closed figure, and closed figure is some line segments or the closed figures of arc composition.
Accordingly, because line unit is closed figure, and closed figure be some line segments or arc composition close
Closing figure, the minimum component units of the most each bar cabling is line segment or arc.Owing to the width of line segment or arc is relatively thin,
Therefore when flexible display substrates bends can the amplitude of overall reduction cabling impedance transformation, thus improve soft
Property display base plate in the display quality of crooked radian large area, and then improve AMOLED Flexible Displays dress
The show uniformity put.
Accompanying drawing explanation
Structural representation when Fig. 1 does not bends for the flexible AMOLED display device that an embodiment provides；
Fig. 2 be embodiment illustrated in fig. 1 flexible AMOLED display device in the enlarged diagram of cabling；
Fig. 3 be embodiment illustrated in fig. 1 flexible AMOLED display device in cabling another amplify signal
Figure；
Fig. 4 be embodiment illustrated in fig. 1 flexible AMOLED display device in the structure of COF metal routing
Schematic diagram.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.
Accompanying drawing gives presently preferred embodiments of the present invention.But, the present invention can come real in many different forms
Existing, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make this
The understanding of disclosure of the invention content is more thorough comprehensively.
Unless otherwise defined, all of technology used herein and scientific terminology are led with the technology belonging to invention
The implication that the technical staff in territory is generally understood that is identical.Herein at the term used in the description of invention
It is the purpose in order to describe specific embodiment, it is not intended that limit the present invention.Term as used herein " with
/ or " include the arbitrary and all of combination of one or more relevant Listed Items.
In traditional flexible AMOLED display device, when flexible display substrates 100 is in bending state,
The line impedence of walking of bending radian large area i.e. has greatly changed, thus affects display quality.For this
One problem, the structure of tradition cabling is improved by the present invention, it is intended to reduce the impedance variation amplitude of cabling,
Thus improve the display quality of bending radian large area.Principle is realized below by specifically introducing.
As it is shown in figure 1, the flexible AMOLED display device that the present embodiment provides includes flexible display substrates
100, and flexible display substrates 100 includes viewing area 110 and non-display area 120.Wherein, non-display area 120
Inside it is provided with some cablings 200, and cabling 200 is for providing leading between driving IC300 and each image element circuit
Electric pathway.
Meanwhile, as shown in Figure 2 and Figure 3, cabling 200 includes some line units 211.Arbitrary circuit
Unit 211 all connects with all adjacent All other routes unit 211, thus ensures that cabling 200 has continuously
Conductive path.It addition, line unit 211 be shaped as closed figure.Wherein, closed figure is some
Bar line segment or the closed figures of arc composition, i.e. the minimum component units of the cabling 200 that the present embodiment provides is line
Section or arc, therefore all there is a plurality of conductive path in any bar cabling 200.
Therefore, for above-mentioned AMOLED flexible display apparatus, single owing to constituting the minimum composition of cabling 200
The width of unit's (i.e. line segment or arc) is relatively thin, and the amplitude even at bending state impedance transformation is the least, because of
This reduces cabling 200 amplitude of impedance transformation when flexible display substrates 100 bends, thus improves soft
Property display base plate 100 in the display quality of crooked radian large area, and then improve AMOLED flexibility and show
The show uniformity of showing device.
Simultaneously as the above-mentioned special construction that cabling 200 possesses (i.e. it is made up of some closed figures, and respectively
Closed figure interconnects) so that any bar cabling 200 exists a plurality of by the minimum component units being sequentially connected
The conductive path constituted.Even when have a paths damaged during bending, the signal of telecommunication remains to pass through
Other path normal transmission in cabling 200, thus further enhancing AMOLED flexible display apparatus and show
The reliability shown.
Concrete, above-mentioned line unit 211 be shaped as regular hexagon, the most above-mentioned closed figure is in this enforcement
Example is selected regular hexagon, so that AMOLED flexible display apparatus can reach preferably to show uniformly
Property effect.Due to traditional the most solid straight line of cabling 200, and the cabling 200 that the present embodiment provides
For hollow, and the angle between line segment and line segment is 120 °, therefore the cabling 200 that the present embodiment provides designs
Mode also a saving material, thus reduces the cost of AMOLED flexible display apparatus.
It is understood that the shape of line unit 211 is not limited to orthohexagonal a kind of situation, as long as
Closed figure also can reach preferably uniformly display effect.
Concrete, the quantity of above-mentioned cabling 200 line unit 211 in the direction of the width and cabling 200
Load is directly proportional, say, that the overall width of the cabling 200 in the present embodiment and cabling 200
Load is directly proportional.Owing to the load of cabling 200 is the biggest, electric current is the biggest, thus to conductor (i.e. cabling 200)
Width requirement the highest, therefore the present embodiment by control cabling 200 line unit 211 in the direction of the width
Quantity adapt with load such that it is able to improve further the reliability of flexible AMOLED display device.
In the present embodiment, as shown in Figure 2 and Figure 3, the kind of cabling 200 includes the first cabling 210 and second
Cabling 220, and the load of the first cabling 210 is less than the second cabling 220.Load due to the first cabling 210
Less than the second cabling 220, therefore the present embodiment arranges the first cabling 210 line unit in the direction of the width
The quantity of 211 is less than the second cabling 220.Such as first cabling 210 selects a line line unit 211 (i.e.
Width includes 1 line unit 211), the second cabling 220 then selects three row line unit 211 (i.e.
Three line units 211 are selected on width), wherein, the row of above-mentioned indication is parallel with the sense of current.Separately
Outward, the second cabling 220 is cross-linked between the line unit 211 of each row, then at flexible AMOLED
During the use of display device (when such as bending), even if the second cabling 220 there being the circuit of certain damage
Bad, nor affect on the overall display effect of AMOLED flexible display apparatus.
It is understood that the set-up mode of cabling 200 overall width is not limited to above-mentioned a kind of situation, as long as
Cabling 200 can adapt to the requirement of load.
Concrete, bending counteracting force and cabling 200 that in the present embodiment, flexible display substrates 100 produces it
Between angle between 30 ° to 90 °, such as 60 °, at this moment the Performance And Reliability of cabling 200 is optimal.
For conventionally employed COF (Chip On Flex, or, Chip On Film often claim chip on film) drive connection
The flexible AMOLED display device of mode, is both needed to when design COF flexible base board is bent 180 ° extremely
The back side of flexible display substrates, to reach the purpose of narrow frame.But, COF flexible base board bending degree is
COF metal routing in big region (i.e. the bending the region that counteracting force is the strongest of COF flexible base board generation)
In volume production ageing process, it is easy to that the bad problems such as fracture occur.Therefore, the present embodiment is also to COF metal
The structure of cabling is improved, and concrete principle is as follows.
Further, as it is shown in figure 1, above-mentioned flexible AMOLED display device also includes COF flexibility base
Plate 400.One end of COF flexible base board 400 connects flexible display substrates 100, and the other end is used for connecting printing
Circuit board.
As shown in Figure 4, COF flexible base board 400 is provided with some COF metal routings 410.Wherein,
COF metal routing 410 includes anti-fracture portion, and anti-fracture portion is positioned at COF flexible base board 400 bending degree
Maximum region.Anti-fracture portion includes some wiring units 411.Meanwhile, wiring unit 411 be shaped as envelope
Close figure (the most some line segments or the closed figures of arc composition), and arbitrary wiring unit 411 is adjacent with all
Other wiring units 411 electrically connect, thus ensure that COF metal routing 410 has a plurality of conductive path.
Wherein, above-mentioned closed figure for example, rhombus, square etc., as long as can the figure of bend resistance.
Therefore the COF metal routing 410 in the present embodiment uses the design that a plurality of cabling is complementary, i.e. adopts
Structure with bend resistance such that it is able to reduce the probability of COF metal routing 410 fracture.
It addition, on the basis of COF metal routing 410 has stronger bend resistance ability, COF metal is walked
Owing to there is a plurality of conductive path in line 410, even if the most a certain wiring unit 411 or a certain conductive path damage
Bad, the signal of telecommunication remains to by other path normal transmission on COF metal routing 410, thus increases further
The strong reliability of COF metal routing 410.
In sum, in the above-mentioned flexible AMOLED display device that the present embodiment provides, by improving position
The structure of each bar cabling 200 on non-display area 120, thus can when flexible display substrates 100 bends
Reduce the amplitude of cabling 200 impedance transformation, so improve that AMOLED flexible display apparatus shows uniform
Property.Further, the structure of COF metal routing 410 is also improved by the present embodiment, thus reduces
There is the probability of fracture in COF metal routing 410, thus further increases flexible AMOLED and show
The reliability of device.Therefore, the above-mentioned flexible AMOLED display device that the present embodiment provides is more suitable for factory
Scale of mass production.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. a flexible AMOLED display device, including flexible display substrates, and described Flexible Displays base
Plate is provided with some cablings in including viewing area and non-display area, and described non-display area, it is characterised in that
Described cabling includes some line units；Arbitrary described line unit all with all adjacent All other routes unit
Connect, and described line unit be shaped as closed figure, described closed figure is some line segments or arc group
The closed figures become.
Flexible AMOLED display device the most according to claim 1, it is characterised in that described line
Road unit be shaped as regular hexagon.
Flexible AMOLED display device the most according to claim 1, it is characterised in that described in walk
The quantity of line line unit in the direction of the width is directly proportional to the load of described cabling.
Flexible AMOLED display device the most according to claim 1, it is characterised in that described soft
Property display base plate produce bending counteracting force and described cabling between angle between 30 ° to 90 °.
Flexible AMOLED display device the most according to claim 1, it is characterised in that described soft
Property AMOLED display device also includes COF flexible base board；One end of described COF flexible base board connects institute
Stating flexible display substrates, the other end is used for connecting printed circuit board (PCB).
Flexible AMOLED display device the most according to claim 5, it is characterised in that described COF
Flexible base board is provided with some COF metal routings；Wherein, described COF metal routing includes anti-fracture portion,
And described anti-fracture portion is positioned at the region that described COF flexible base board bending degree is maximum；Described anti-fracture portion wraps
Include some wiring units；Described wiring unit be shaped as closed figure, and arbitrary described wiring unit and institute
Other adjacent wiring units are had to electrically connect.
7. a flexible display substrates, is applied to flexible AMOLED display device；Described Flexible Displays base
Plate is provided with some cablings in including viewing area and non-display area, and described non-display area, it is characterised in that
Described cabling includes some line units；Arbitrary described line unit all with all adjacent All other routes unit
Connect, and described line unit be shaped as closed figure, described closed figure is some line segments or arc group
The closed figures become.
Flexible display substrates the most according to claim 7, it is characterised in that the shape of described line unit
Shape is regular hexagon.
Flexible display substrates the most according to claim 7, it is characterised in that described cabling is in width side
Upwards the quantity of line unit is directly proportional to the load of cabling.
Flexible display substrates the most according to claim 7, it is characterised in that described Flexible Displays base
Angle between bending counteracting force and cabling that plate produces is between 30 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211834.6A CN105870152A (en) | 2016-04-06 | 2016-04-06 | Flexible active-matrix organic light-emitting diode (AMOLED) display device and flexible display substrate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211834.6A CN105870152A (en) | 2016-04-06 | 2016-04-06 | Flexible active-matrix organic light-emitting diode (AMOLED) display device and flexible display substrate |
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| CN201610211834.6A Pending CN105870152A (en) | 2016-04-06 | 2016-04-06 | Flexible active-matrix organic light-emitting diode (AMOLED) display device and flexible display substrate |
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| CN108417607A (en) * | 2018-03-26 | 2018-08-17 | 京东方科技集团股份有限公司 | A kind of Wiring structure, flexible display panels and display device |
| CN108933148A (en) * | 2018-07-31 | 2018-12-04 | 上海天马微电子有限公司 | Display panel and display device |
| CN110246988A (en) * | 2018-03-09 | 2019-09-17 | 上海和辉光电有限公司 | A kind of display panel and its manufacturing method, display master blank and display device |
| CN110459527A (en) * | 2017-04-28 | 2019-11-15 | 京东方科技集团股份有限公司 | Wiring structure, display substrate and display device |
| CN111402755A (en) * | 2020-05-28 | 2020-07-10 | 上海天马微电子有限公司 | Display panel and display device |
| WO2023226870A1 (en) * | 2022-05-25 | 2023-11-30 | 维沃移动通信有限公司 | Display panel, electronic device, and display calibration method for electronic device |
| US12004392B2 (en) | 2017-04-28 | 2024-06-04 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel and display device |
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Application publication date: 20160817 |