CN108400145B - Flexible display, manufacturing method thereof and electronic equipment - Google Patents
Flexible display, manufacturing method thereof and electronic equipment Download PDFInfo
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- CN108400145B CN108400145B CN201810055178.4A CN201810055178A CN108400145B CN 108400145 B CN108400145 B CN 108400145B CN 201810055178 A CN201810055178 A CN 201810055178A CN 108400145 B CN108400145 B CN 108400145B
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/80—Manufacture or treatment specially adapted for the organic devices covered by this subclass using temporary substrates
-
- 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
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a flexible display, a manufacturing method thereof and electronic equipment, wherein the flexible display comprises a flexible display screen, a driving chip and a supporting device; the flexible display screen comprises a flexible substrate, wherein the flexible substrate comprises a display area and a binding area; the driving chip is bound in the binding area; the supporting device covers the flexible substrate, and an opening is formed in the supporting device located at the binding area. According to the flexible display, the manufacturing method of the flexible display and the electronic device, the supporting device covers the whole flexible substrate, so that the strength of the bonding area is increased, the problem that the flexible screen body is poor in function due to the fact that signal lines are broken when the flexible display is peeled off is solved, the supporting film attaching process is reduced, and meanwhile the flexible display can be thinner.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display, a manufacturing method thereof and electronic equipment.
Background
The flexible display screen has the advantages of remarkable flexible deformation, can be bent and folded at a large angle, and can effectively improve the portability of equipment by adopting the screen. With the more mature flexible display technology, the flexible display screen is gradually integrated into mobile devices such as mobile phones and flat panels, and becomes a main tool in our lives.
The existing flexible display screen generally comprises a glass substrate, a flexible screen body and a driving chip circuit which are combined in sequence. The flexible screen body for displaying images comprises pixel units densely distributed on the flexible screen body and signal lines which are distributed on the periphery of the pixel units and are wired at the edge of the flexible screen body. The driver chip Circuit for generating the control signal or the power signal uses an FPC (Flexible Printed Circuit) to carry the patch element and the cured and packaged integrated Circuit module. The glass substrate used for supporting and curing the flexible screen body may be a glass substrate having elasticity and rigidity. The battery also comprises a power supply circuit which comprises semi-solidified battery cores and power elements with larger volume.
When a glass substrate and a flexible screen body are peeled off from an existing flexible display screen, due to the fact that the flexible screen body is made of soft materials and is thin in thickness, signal lines are prone to breaking at the position of a driving chip circuit, and the flexible screen body is poor in function.
Disclosure of Invention
The invention mainly aims to provide a flexible display, a manufacturing method thereof and electronic equipment, and aims to solve the problems in the prior art.
In order to achieve the above object, a first aspect of embodiments of the present invention provides a flexible display, where the flexible display includes a flexible display screen, a driving chip, and a supporting device;
the flexible display screen comprises a flexible substrate, wherein the flexible substrate comprises a display area and a binding area;
the driving chip is bound in the binding area; the supporting device covers the flexible substrate, and an opening is formed in the supporting device located at the binding area.
Optionally, a discontinuous through gap is provided in the supporting device at the joint of the display region and the binding region.
Optionally, the supporting device includes a polarizer or an organic film.
Optionally, the flexible display further includes a display device layer located in the display area.
Optionally, the display device layer includes a buffer layer, a TFT array, and a light emitting element;
the buffer layer is arranged on the display area, the TFT array is arranged on the buffer layer, and the light-emitting element is manufactured on the TFT array.
Optionally, the flexible display further includes a water and oxygen barrier layer disposed on the light emitting element layer.
In addition, to achieve the above object, a second aspect of embodiments of the present invention provides a method for manufacturing a flexible display, the method including:
setting one end of a flexible substrate of the flexible display as a binding region and setting the other end of the flexible substrate of the flexible display as a display region;
covering a supporting device on the flexible substrate, and arranging an opening on the supporting device at the position of the binding area;
and binding a drive chip in the binding area.
Optionally, the method further includes, after the driver chip is bound in the binding region:
peeling off the carrier substrate bonded with the flexible substrate.
Optionally, the supporting device includes a polarizer or an organic film.
Furthermore, to achieve the above object, a third aspect of embodiments of the present invention provides an electronic device, which includes the flexible display according to the first aspect.
According to the flexible display, the manufacturing method of the flexible display and the electronic device, the supporting device covers the whole flexible substrate, so that the strength of a bonding area is increased, the problem that the flexible screen body is poor in function due to signal line breakage during peeling is solved, the supporting film attaching process is reduced, and the flexible display can be thinner.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flexible substrate in a flexible display according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a layer structure of an OLED display device in a flexible display according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart of a method for manufacturing a flexible display according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Like reference numerals refer to like elements throughout the specification.
For purposes of illustration, spatial relationship terms, such as "below," "beneath," "above," "upper," and the like, may be used herein to describe one element or mechanism's relationship to another element or mechanism as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass a variety of different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device shown in the figures is turned over, elements described as "below" or "beneath" other elements or mechanisms would then be oriented "above" the other elements or mechanisms. Thus, the exemplary term "below" includes both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention (especially in the context of the following claims) are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. The terms "comprising," "having," "including," and "containing" are to be construed as open-ended terms, unless otherwise noted.
First embodiment
As shown in fig. 1, a first embodiment of the present invention provides a flexible display, which includes a flexible display screen, a driving chip 131, and a supporting device 13;
as will be understood from fig. 2, the flexible display screen includes a flexible substrate 12, one side of the flexible substrate 12 includes a display area 122 and a binding area 121, and the other side of the flexible substrate 12 is provided with a carrier substrate 11 that can be peeled from the flexible substrate 12;
in this embodiment, the flexible substrate 12 may be made of PI (Polyimide) material, or may be made of any other flexible transparent film material, and this embodiment is not limited herein.
In the embodiment, the carrier substrate 11 may be a rigid carrier such as a silicon wafer, metal, or glass.
The driver chip 131 is bound to the binding region 121; the support means 13 covers the flexible substrate 12 and the support means 13 at the location of the bonding area 121 is provided with an opening (not shown in the drawings).
It should be noted that the shape of the opening is not limited herein, and openings of different shapes may be provided as needed.
In this embodiment, the supporting device 13 can prevent external ambient light from entering the flexible display and being reflected from the interior of the flexible display, thereby affecting the contrast of the flexible display; the support device 13 may also prevent heat radiation of the display region 122.
In one embodiment, the supporting device 13 at the joint 123 between the display area 122 and the bonding area 121 is provided with a discontinuous through gap to facilitate the reverse folding process of the bonding area 121.
In this embodiment, the supporting device 13 may be a polarizer or an organic film. The organic film layer may be an organic film layer separately deposited in the bonding region 121, or may be an organic film layer of any one of the display regions 122. By means of the organic film layer of the display area 122 or by means of the polarizer or the organic film layer directly arranged in the binding area, the problem that the flexible screen body is poor in function due to signal line breakage during peeling can be prevented while the strength of the binding area is increased, and meanwhile, the attaching process of the supporting film is reduced, and the flexible display can be thinner.
In this embodiment, the flexible display further includes a display device layer 132, and the display device layer 132 is disposed in the display area 122.
Referring to fig. 3, in one embodiment, the display device layer 132 includes a buffer layer 1321, a TFT array 1322, and a light emitting element 1323;
the buffer layer 1321 is disposed on the display region 122, the TFT array 1322 is disposed on the buffer layer 1321, and the light emitting element 1323 is fabricated on the TFT array 1322.
In another embodiment, the flexible display further comprises a water and oxygen barrier layer 133, the water and oxygen barrier layer 133 being disposed on the light emitting element layer. The water and oxygen barrier layer is an organic and/or inorganic film, wherein the inorganic film is SiNx, SiO2, etc., which has a water and oxygen barrier effect and can be fabricated by Atomic Layer Deposition (ALD). The organic film layer in the water and oxygen barrier layer can cover the binding area, and the effect of increasing the strength of the binding area is achieved.
According to the flexible display provided by the embodiment of the invention, the supporting device covers the whole flexible substrate, so that the strength of the bonding area is increased, the problem that the flexible screen body has poor functions due to the breakage of a signal line during stripping is solved, the supporting film attaching process is reduced, and the flexible display can be thinner.
Second embodiment
As shown in fig. 4, a second embodiment of the present invention provides a method for manufacturing a flexible display, which can be found in the description of the first embodiment.
The method comprises the following steps:
21. setting one end of a flexible substrate of the flexible display as a binding region and setting the other end of the flexible substrate of the flexible display as a display region;
22. covering a supporting device on the flexible substrate, and arranging an opening on the supporting device at the position of the binding area;
23. and binding a drive chip in the binding area.
Referring to fig. 4 again, further, after the driver chip is bound in the binding region, the method further includes the steps of:
24. peeling off the carrier substrate bonded with the flexible substrate.
Specifically, a carrier substrate bonded to the flexible substrate is peeled off using a laser.
The manufacturing method of the flexible display of the embodiment can complete accurate interlayer separation and smooth separation surface by utilizing the characteristics of collimation and high energy adjustability of laser.
The manufacturing method of the flexible display provided by the embodiment of the invention increases the strength of the bonding area, prevents the problem of poor functions of the flexible screen body caused by the breakage of the signal line during stripping, reduces the attaching process of the support film, and can make the flexible display thinner.
Third embodiment
Referring to fig. 5, fig. 5 is a diagram illustrating an electronic device according to a third embodiment of the invention. The electronic device 30 comprises the flexible display provided by any of the foregoing embodiments, and may be any flexible, or curved, or planar, or rollable, or foldable flexible display. Including but not limited to the following types of electronic devices: a rollable or foldable mobile phone, a watch, a bracelet, a television or other wearable display or touch control electronic device, and a flexible smart phone, a tablet computer, a notebook computer, a desktop display, a television, smart glasses, a smart watch, an ATM machine, a digital camera, a vehicle-mounted display, a medical display, an industrial display, an electronic paper book, an electrophoretic display device, a game machine, a transparent display, a double-sided display, a naked-eye 3D display, a mirror display device, a semi-reflective and semi-transparent display device, etc.
According to the electronic equipment provided by the embodiment of the invention, the supporting device covers the whole flexible substrate, so that the strength of the bonding area is increased, the problem that the flexible screen body has poor functions due to the breakage of a signal line during stripping is solved, the supporting film attaching process is reduced, and meanwhile, the flexible display can be thinner.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The flexible display is characterized by comprising a flexible display screen, a driving chip and a supporting device;
the flexible display screen comprises a flexible substrate, wherein the flexible substrate comprises a display area and a binding area;
the driving chip is bound in the binding area; the supporting device covers the flexible substrate, and an opening is formed in the supporting device located at the binding area;
a discontinuous through gap is arranged on the supporting device at the joint of the display area and the binding area, and the gap is arranged across the whole flexible substrate;
the supporting device is a polaroid.
2. A flexible display according to claim 1, further comprising a display device layer in the display area.
3. A flexible display according to claim 2, wherein the display device layer comprises a buffer layer, a TFT array and a light emitting element;
the buffer layer is arranged on the display area, the TFT array is arranged on the buffer layer, and the light-emitting element is manufactured on the TFT array.
4. The flexible display of claim 2, further comprising a water-oxygen barrier layer disposed on the light-emitting device layer.
5. A method of making a flexible display, the method comprising the steps of:
setting one end of a flexible substrate of the flexible display as a binding region and setting the other end of the flexible substrate of the flexible display as a display region;
covering a supporting device on the flexible substrate, and arranging an opening on the supporting device at the position of the binding area;
binding a drive chip in the binding region;
a discontinuous through gap is arranged on the supporting device at the joint of the display area and the binding area, and the gap is arranged across the whole flexible substrate;
the supporting device is a polaroid.
6. The method as claimed in claim 5, further comprising the step of, after the step of bonding the driver chip to the bonding region:
peeling off the carrier substrate bonded with the flexible substrate.
7. An electronic device, characterized in that the electronic device comprises a flexible display according to any of claims 1-4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810055178.4A CN108400145B (en) | 2018-01-19 | 2018-01-19 | Flexible display, manufacturing method thereof and electronic equipment |
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| CN201810055178.4A CN108400145B (en) | 2018-01-19 | 2018-01-19 | Flexible display, manufacturing method thereof and electronic equipment |
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| CN108400145A CN108400145A (en) | 2018-08-14 |
| CN108400145B true CN108400145B (en) | 2021-05-28 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147564B (en) * | 2018-09-29 | 2021-07-09 | 上海天马微电子有限公司 | Display panel, display device and display panel manufacturing method |
| CN110782776B (en) * | 2019-01-10 | 2022-02-18 | 云谷（固安）科技有限公司 | Display panel, manufacturing method thereof and display device |
| CN109949703B (en) * | 2019-03-26 | 2021-08-06 | 京东方科技集团股份有限公司 | Flexible display substrate, display panel, display device and manufacturing method |
| CN110164874B (en) * | 2019-06-04 | 2021-06-22 | 上海天马微电子有限公司 | Flexible display module, display device and manufacturing method of flexible display module |
| US10706800B1 (en) * | 2019-07-02 | 2020-07-07 | A.U. Vista, Inc. | Bendable flexible active matrix display panel |
| CN112086374A (en) * | 2020-09-29 | 2020-12-15 | 武汉天马微电子有限公司 | Display device, preparation method thereof and electronic equipment |
| CN113257122B (en) * | 2021-04-07 | 2022-03-25 | 合肥维信诺科技有限公司 | Supporting layer group for display module, display module and preparation method of display module |
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| CN106105404A (en) * | 2014-03-18 | 2016-11-09 | 迪睿合株式会社 | The manufacture method of pliability mounting module body |
| CN107068695A (en) * | 2017-05-02 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of flexible display panels and preparation method thereof, flexible display apparatus |
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| KR102077525B1 (en) * | 2013-07-30 | 2020-02-14 | 엘지디스플레이 주식회사 | Display device and method of manufacturing the same |
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| CN103955089A (en) * | 2014-01-24 | 2014-07-30 | 友达光电股份有限公司 | Display panel and manufacturing method thereof |
| CN106105404A (en) * | 2014-03-18 | 2016-11-09 | 迪睿合株式会社 | The manufacture method of pliability mounting module body |
| CN107068695A (en) * | 2017-05-02 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of flexible display panels and preparation method thereof, flexible display apparatus |
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Application publication date: 20180814 Assignee: Yungu (Gu'an) Technology Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Bazhou Yungu Electronic Technology Co. Ltd. Contract record no.: X2019990000154 Denomination of invention: Flexible display and manufacturing method thereof, and electronic equipment License type: Common License Record date: 20191030 |
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