CN109860245A - The preparation method of flexible display panels, display device and flexible display panels - Google Patents
The preparation method of flexible display panels, display device and flexible display panels Download PDFInfo
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- CN109860245A CN109860245A CN201910022918.9A CN201910022918A CN109860245A CN 109860245 A CN109860245 A CN 109860245A CN 201910022918 A CN201910022918 A CN 201910022918A CN 109860245 A CN109860245 A CN 109860245A
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Abstract
The present embodiments relate to flexible display technologies field, the preparation method of a kind of flexible display panels, display device and flexible display panels is disclosed.The flexible display panels include flexible substrate, multiple pixel islands in the flexible substrate and the adjacent pixel island of connection island between line, multiple pixel islands radially arrange outward from center, line includes a plurality of radial line extended radially outward from center and a plurality of circumferential line around the center circumferentially between the island, every radial line is sequentially connected multiple pixel islands in radial directions, and every circumferential line is sequentially connected multiple pixel islands in circumferential direction.Embodiment of the present invention also provides the preparation method of a kind of display device and flexible display panels.The preparation method of flexible display panels, display device and flexible display panels that embodiment of the present invention provides, can improve the stretching display effect of flexible display panels.
Description
Technical field
The present embodiments relate to flexible display technologies field, in particular to a kind of flexible display panels, display device and
The preparation method of flexible display panels.
Background technique
With the development of informationized society, various types of panel display apparatus, such as liquid crystal display have been had already appeared
Part, plasma display device and electrophoretic display device, EDD etc..But traditional display device is all based on the rigid material such as glass
What matter was made, the size and shape of display device is fixed after producing, and is not able to satisfy more occasions, complex environment
Use.Therefore, people put forth effort on always the display device that research can be stretched flexibly for many years, until 2017, Samsung is shown
Company takes the lead in having put on display global first item the stretchable displayer part based on AMOLED on world display week, this is stretchable aobvious
Show that the screen body of device may be implemented the bending of certain angle and stretch without damaging.This greatly accelerates major display company pair
The research of stretchable display technology, all kinds of stretchable displayer parts gradually occur in the market.
However, stretchable displayer part in the prior art can usually during along X-axis or Y direction stretching
To realize that display pattern is non-warping, but is stretched along other directions and will lead to display scalloping.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of flexible display panels, display device and flexible display panels
Preparation method can improve the stretching display effect of flexible display panels.
In order to solve the above technical problems, embodiments of the present invention provide a kind of flexible display panels, including flexible liner
Line between the island at bottom, multiple pixel islands in the flexible substrate and the adjacent pixel island of connection, multiple pictures
Plain island radially arranges outward from center, and line includes that a plurality of radial direction extended radially outward from center connects between the island
Line and a plurality of circumferential line around the center circumferentially, every radial line is in radial directions successively
Multiple pixel islands are connected, every circumferential line is sequentially connected multiple pixel islands in circumferential direction.
Embodiments of the present invention additionally provide a kind of display device, including above-mentioned flexible display panels.
Embodiments of the present invention additionally provide a kind of preparation method of flexible display panels, comprising: on flexible substrates
Form line between the island on multiple pixel islands and the adjacent pixel island of connection, wherein multiple pixel islands are outside from center
It radially arranges, line includes a plurality of radial line extended radially outward from center and surround described between the island
The a plurality of circumferential line of center circumferentially, every radial line are sequentially connected multiple pixels in radial directions
Island, every circumferential line are sequentially connected multiple pixel islands in circumferential direction.
Embodiment of the present invention in terms of existing technologies, radially arrange outward from center by multiple pixel islands
It arranges, line includes a plurality of radial line extended radially outward from center and surround the center circumferentially between the island
The a plurality of circumferential line extended, every radial line are sequentially connected multiple pixel islands, every institute in radial directions
It states circumferential line and is sequentially connected multiple pixel islands in circumferential direction, i.e., radially one way or another prolongs radial line
It stretches, compared to the extending direction (only X-axis or Y direction) in line between the island between the pixel island of rectangular arrangement, this hair
The extending direction of bright middle radial line is more, due to the twisted shape of flexible display panels when the extending direction of the line between island stretches
Become smaller, so that flexible display panels of the invention can adapt to the stretching in more direction, twist distortion is smaller, stretches
Display effect is more preferably.
In addition, the angle between any two adjacent radial lines is equal.So set, pixel island arranges
It is more uniform, improve the homogeneity of flexible display panels display effect.
In addition, the distance between any two adjacent described circumferential lines are equal.
In addition, each pixel island is connect with the radial line and the circumferential line.
In addition, the area on the pixel island is gradually increased outward from the center.Due to each pixel island with the diameter
It is connected to line with the circumferential line, therefore, the density (quantity on the pixel island i.e. in unit area) on the pixel island is certainly
The center is gradually reduced outward, if pixel island constant area is constant, then will lead to display brightness from the center outward by
Decrescence small, the area by the way that the pixel island is arranged is gradually increased outward from the center, utilizes the biggish face in peripheral pixels island
Product makes up that peripheral pixels island is sparse and bring luminance loss, so as to the density variation bring brightness shadow on compensation pixel island
It rings, improves the homogeneity of flexible display panels display effect.
In addition, line includes curvilinear lengths between the island.Since line during stretching can between the forniciform island
It is enough to stretch, so that line is not easy to break between island in flexible display substrates drawing process, it ensure that effective connection of route.
In addition, being provided with aperture in the flexible substrate.So set, aperture can discharge during stretching stress,
It avoids stress from transmitting and assemble in flexible substrate, improves the tensile property of flexible substrate.
In addition, the aperture is arranged between the circumferential line of adjacent any two.
In addition, each pixel island includes anode, organic luminous layer and cathode, the radial direction line connects multiple institutes
The anode on pixel island is stated, the circumferential direction line connects the cathode on multiple pixel islands.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the top view for the flexible display panels that first embodiment of the invention provides；
Fig. 2 is the top view for the flexible display panels that second embodiment of the invention provides；
Fig. 3 is the flow chart of the preparation method for the flexible display panels that third embodiment of the invention provides；
Fig. 4 is the structural schematic diagram for the display device that four embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details
And various changes and modifications based on the following respective embodiments, claimed technical solution of the invention also may be implemented.
The first embodiment of the present invention is related to a kind of flexible display panels 100, as shown in Figure 1, the flexible display panels
100 include flexible substrate 11, multiple pixel islands 12 in the flexible substrate 11 and the adjacent pixel island 12 of connection
Island between line 13, multiple pixel islands 12 radially arrange outward from center, and line 13 includes from center between the island
The a plurality of radial line 131 extended radially outward and a plurality of circumferential line 132 around the center circumferentially,
Every radial line 131 is sequentially connected multiple pixel islands 12 in radial directions, and every circumferential line 132 exists
Multiple pixel islands 12 are sequentially connected in circumferential direction.
Embodiment of the present invention in terms of existing technologies, multiple pixel islands 12 from center outward radially
(similar spider web frame) arrangement, between the island line 13 include a plurality of radial line 131 extended radially outward from center,
And a plurality of circumferential line 132 around the center circumferentially, every radial line 131 in radial directions according to
The secondary multiple pixel islands 12 of connection, every circumferential line 132 are sequentially connected multiple pixel islands in circumferential direction
12, i.e., radially one way or another extends radial line 131, connects compared between the island between the pixel island of rectangular arrangement
The extending direction (only X-axis or Y direction) of line, the extending direction of radial line 131 is more in the present invention, due to connecting between island
The twist distortion of flexible display panels is smaller when the extending direction of line stretches, so that flexible display panels 100 of the invention can
The stretching in more direction is adapted to, twist distortion is smaller, stretches display effect more preferably, and it is aobvious can be preferably applied to skin patch
Show or other wearable stretchings are shown.
Specifically, a plurality of radial line 131 intersects at a point at the center, a plurality of circumferential line 132
Generally circular around the center, such as every circumferential line 132, a plurality of circumferential direction line 132 is substantially in a manner of concentric circles
Arrangement, it is preferable that each pixel island 12 is connect with the radial line 131 and the circumferential line 132, i.e., a plurality of institute
It states circumferential line 132 to intersect with a plurality of radial line 131, the setting of pixel island 12 is in the radial line 131 and institute
State the intersection of circumferential line 132.Using such set-up mode, flexible display panels 100 be can adapt in more direction
It stretches, and pixel island is unaffected, ensure that display effect.
In present embodiment, the angle between the radial line 131 of adjacent any two is equal, that is to say, that N
Item radial direction line 131 is divided into N number of equal angle for 360 degree, so set, setting the radial line 131 with it is described
Spacing between the pixel island 12 of the intersection of circumferential line 132 is equal, so that pixel island 12 arranges more equal
It is even, improve the homogeneity of 100 display effect of flexible display panels.
Further, the distance between adjacent any two described circumferential lines 132 A is equal, that is to say, that circumferential to connect
Line 132 constitutes the equal concentric circles of spacing, so set, in radial directions, pixel island 12 is spaced set, thus more
Convenient for flexible panel processing and fabricating.
In another embodiment, it is preferable that the distance between described circumferential line 132 of adjacent two is in described
The heart is gradually reduced outwardly, since each pixel island 12 is connect with the radial line 131 and the circumferential line 132,
Therefore the density (quantity on the pixel island i.e. in unit area) on the pixel island 12 is gradually reduced outward from the center, is caused
Display brightness is gradually reduced outward from the center, by the way that the distance between described circumferential line 132 of adjacent two is arranged certainly
The center is gradually reduced outwardly, so as to be compensated to a certain extent because pixel island 12 radially arranges bring pixel
Density variation improves the homogeneity of 100 display effect of flexible display panels.
Optionally, in another embodiment, the area on the pixel island 12 is gradually increased outward from the center.By
Connect with the radial line and the circumferential line in each pixel island, the density on the pixel island 12 from the center to
It is gradually reduced outside, if 12 constant area of pixel island is constant, then will lead to display brightness and be gradually reduced outward from the center, lead to
It crosses and the area on the pixel island 12 is set is gradually increased outward from the center, made up using the biggish area in peripheral pixels island 12
Peripheral pixels island 12 is sparse and bring luminance loss, so as to the density variation bring brightness shadow on compensation pixel island 12
It rings, improves the homogeneity of 100 display effect of flexible display panels.
In present embodiment, each pixel island 12 includes anode, organic luminous layer and cathode, the radial direction line
The anode on the 131 multiple pixel islands 12 of connection, the circumferential direction line 132 connect the cathode on multiple pixel islands.
In practical applications, line 13 includes curvilinear lengths between the island, and line 13 can be plain conductor between island.Due to
For the tensility of plain conductor not as good as flexible wire, being set to rectilinear structure in the prior art will affect Flexible Displays base
The integrally stretching performance of plate, therefore line 13 includes curvilinear lengths between island in the application, promotes the tensile property of line 13 between island,
Further, curved configuration or fold-line-shaped structure are set by line 13 between island, it is preferable that line 13 is set as horse between island
Ungulate, waveform or zigzag can further improve the tensile property of plain conductor, to be bent in flexible display substrates
When guarantee route effective connection.
Flexible substrate includes polyimides (PI), polycarbonate (PC), polyether sulfone (PES), polyethylene terephthalate
Ester (PET), polyethylene naphthalate (PEN), polyarylate (PAR) or fiberglass reinforced plastics (FRP).Have
Good tensile property, so that flexible display panels can adapt to the stretching in more direction.Optionally, the flexibility
Aperture 14 is provided on substrate 11, so set, aperture 14 can discharge during stretching stress, avoid stress in flexible liner
Transmitting and aggregation, improve the tensile property of flexible substrate 11 in bottom 11.
In present embodiment, the aperture 14 is arranged between the circumferential line 132 of adjacent any two.
Second embodiment of the invention provides a kind of flexible display panels 200, as shown in Fig. 2, present embodiment and the
One embodiment is roughly the same, is in place of the main distinction: in the first embodiment, each pixel island 12 with it is described
Radial line 131 and the circumferential line 132 connect, and in the present embodiment, multiple described 12 a part of pixel island and institute
It states radial line 131 and the circumferential line 132 connects, another part is only connect with the circumferential line 132.By multiple institutes
It states 12 a part of pixel island to connect with the radial line 131 and the circumferential line 132, another part only connects with the circumferential direction
Line 132 connects, so as to pass through the quantity on the pixel island 12 that setting is only connect with the circumferential line 132 (from the center
The quantity on the pixel island 12 only connecting with the circumferential line 132 is gradually increased outward) so that the picture of flexible display panels 200
The density (quantity on the pixel island i.e. in unit area) on plain island 12 is uniform.
Optionally, the area on multiple pixel islands 12 is equal, due to the density on the pixel island 12 of flexible display panels 200
(quantity on the pixel island i.e. in unit area) uniformly, and the area on multiple pixel islands 12 is equal, to improve flexibility
The homogeneity of 100 display effect of display panel, also, the area on multiple pixel islands 12 is equal the processing on pixel island 12 of being more convenient for
Production.
In other embodiments, the setting of other different 12 sizes of pixel island, example can be carried out according to amount of tension
Such as, when flexible display panels 100 carry out spherical surface stretching, intermediate amount of tension is bigger, makes when pixel island 12 radially arranges
At density variation be not major influence factors, and when influencing bigger caused by amount of tension is different, can be set to pixel island 12
Area be gradually reduced outward from the center, with solve because spherical surface stretch when central area amount of tension greatly caused by brightness it is low
The problem of, and then improve the homogeneity of 100 display effect of flexible display panels.
Third embodiment of the invention provides a kind of preparation method of flexible display panels, as shown in figure 3, specifically including
Following steps:
S11: flexible substrate is formed on rigid substrate.
Specifically, in step s 11, flexible substrate can be by polyimides (PI), polycarbonate (PC), polyether sulfone
(PES), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyarylate (PAR) or glass
The polymer materials such as glass fibre reinforced plastics (FRP) are formed.Flexible substrate can be it is transparent, translucent or opaque,
Support is provided with the formation to each film layer being disposed thereon.
S12: line between the island on multiple pixel islands and connection adjacent pixel island is formed on flexible substrates.
Specifically, in step s 12, multiple pixel islands radially arrange outward from center, connect between the island
Line includes a plurality of radial line extended radially outward from center and surround a plurality of circumferential direction of the center circumferentially
Line, every radial line are sequentially connected multiple pixel islands in radial directions, and every circumferential line is in week
Multiple pixel islands are sequentially connected on direction.
In practical applications, radial line and anode are same layer plain conductor, can be heavy by vapor deposition or magnetron sputtering
Product one pattern layers conductive layer, the conductive layer include pixel region (as anode, it is subsequent to form pixel on the region
Island) and routing region (as line between island, present embodiment in be radial cabling), OLED material then is deposited in pixel region
(i.e. organic luminous layer) then deposits the conductive layer of a pattern layers by vapor deposition or magnetron sputtering, which includes face
The cathode of pixel region and routing region (as line between island, present embodiment in be circumferential cabling), finally, forming encapsulation
Layer.
It is understood that being also possible to radial line in another embodiment and connecting multiple pixel islands
Anode, circumferential line connect the cathode on multiple pixel islands, and specific production process is similar, and details are not described herein again.
S13: flexible substrate is separated from rigid substrate.
In another embodiment, a kind of preparation method of flexible display panels can also be included in the flexible substrate
The step of upper formation aperture, so set, can discharge during stretching stress, avoid stress transmitted in flexible substrate with
Aggregation, improves the tensile property of flexible substrate.In present embodiment, adjacent any two circumferential directions are arranged in the aperture
Between line, i.e., the extending direction of aperture is consistent with all extending directions of guiding line, and flexible panel is radially stretched,
That is the extending direction of aperture is vertical with draw direction, so as to preferably discharge stress, flexible substrate is further increased
Tensile property.
In terms of existing technologies, multiple pixel islands radially arrange present embodiment outward from center, institute
Line includes a plurality of radial line extended radially outward from center and surround the center circumferentially between stating island
A plurality of circumferential direction line, every radial line are sequentially connected multiple pixel islands, every circumferential direction in radial directions
Line is sequentially connected multiple pixel islands in circumferential direction, i.e., radially one way or another extends radial line, compares
The extending direction (the only direction X/Y) of line between island between the pixel island in rectangular arrangement, radial line in the present invention
Extending direction it is more, due between island line extending direction stretch when flexible display panels twist distortion it is smaller, thus
Flexible display panels of the invention can adapt to the stretching in more direction, and twist distortion is smaller, stretch display effect more
It is good, it can preferably be applied to the display of skin patch or other wearable stretching displays.
The fourth embodiment of the present invention is related to a kind of display device.
As shown in figure 4, the flexible display apparatus includes flexible display panels described in first embodiment.Flexible Displays dress
It sets and can be the portable mobile termianls such as mobile phone, tablet computer, be also possible to its of the flexible display screen of selection first embodiment
His terminal, present embodiment are without limitation.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of flexible display panels, multiple pixel islands and connection phase including flexible substrate, in the flexible substrate
Line between the island on the adjacent pixel island, which is characterized in that multiple pixel islands radially arrange outward from center, the island
Between line include a plurality of radial line extended radially outward from center and around the center circumferentially a plurality of
Circumferential line, every radial line are sequentially connected multiple pixel islands, every circumferential line in radial directions
It is sequentially connected multiple pixel islands in circumferential direction.
2. flexible display panels according to claim 1, which is characterized in that the radial line of adjacent any two it
Between angle be equal.
3. flexible display panels according to claim 1, which is characterized in that the circumferential line of adjacent any two it
Between be equidistant.
4. flexible display panels according to claim 1, which is characterized in that each pixel island connects with the radial direction
Line is connected with the circumferential line.
5. flexible display panels according to claim 1-4, which is characterized in that the area on the pixel island is from institute
Center is stated to be gradually increased outward.
6. flexible display panels according to claim 1-4, which is characterized in that line includes bending between the island
Line segment.
7. flexible display panels according to claim 1-4, which is characterized in that be provided in the flexible substrate
Aperture.
8. flexible display panels according to claim 7, which is characterized in that adjacent any two are arranged in the aperture
Between the circumferential direction line.
9. a kind of display device, which is characterized in that including flexible display panels as claimed in any one of claims 1 to 8.
10. a kind of preparation method of flexible display panels characterized by comprising
Line between the island on multiple pixel islands and the adjacent pixel island of connection is formed on flexible substrates, wherein multiple described
Pixel island radially arranges outward from center, and line includes that a plurality of radial direction extended radially outward from center connects between the island
Line and a plurality of circumferential line around the center circumferentially, every radial line is in radial directions successively
Multiple pixel islands are connected, every circumferential line is sequentially connected multiple pixel islands in circumferential direction.
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| CN201910022918.9A CN109860245A (en) | 2019-01-10 | 2019-01-10 | The preparation method of flexible display panels, display device and flexible display panels |
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| CN201910022918.9A CN109860245A (en) | 2019-01-10 | 2019-01-10 | The preparation method of flexible display panels, display device and flexible display panels |
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| CN110299078A (en) * | 2019-07-04 | 2019-10-01 | 京东方科技集团股份有限公司 | Display base plate, display panel |
| CN110660331A (en) * | 2019-10-12 | 2020-01-07 | 云谷（固安）科技有限公司 | Flexible display screen, flexible display panel and preparation method of spherical display screen |
| CN111429803A (en) * | 2020-03-31 | 2020-07-17 | 上海天马微电子有限公司 | Flexible display panel and display device |
| CN113763807A (en) * | 2020-06-01 | 2021-12-07 | 深圳市柔宇科技有限公司 | Non-planar display device and electronic apparatus |
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Application publication date: 20190607 |