CN104576966B - Flexible display device and manufacturing method thereof - Google Patents

Flexible display device and manufacturing method thereof Download PDF

Info

Publication number
CN104576966B
CN104576966B CN201410856889.3A CN201410856889A CN104576966B CN 104576966 B CN104576966 B CN 104576966B CN 201410856889 A CN201410856889 A CN 201410856889A CN 104576966 B CN104576966 B CN 104576966B
Authority
CN
China
Prior art keywords
electrode layer
base board
flexible base
electrode
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410856889.3A
Other languages
Chinese (zh)
Other versions
CN104576966A (en
Inventor
高松
刘嵩
谢静
李梦真
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bazhou Yungu Electronic Technology Co. Ltd.
Original Assignee
Beijing Visionox Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Visionox Technology Co Ltd filed Critical Beijing Visionox Technology Co Ltd
Priority to CN201410856889.3A priority Critical patent/CN104576966B/en
Publication of CN104576966A publication Critical patent/CN104576966A/en
Application granted granted Critical
Publication of CN104576966B publication Critical patent/CN104576966B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10Substrates, e.g. flexible substrates
    • H10K77/111Flexible substrates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/805Electrodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301Details of OLEDs
    • H10K2102/311Flexible OLED
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/549Organic PV cells

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The invention provides a flexible display device which comprises a flexible substrate, organic luminescent devices arranged on the two sides of the flexible substrate and an external circuit. Each organic luminescent device comprises a first electrode layer, a luminescent layer and a second electrode layer, and a third electrode layer and a fourth electrode layer are arranged at the two ends of the external circuit respectively. Conducting particles are included in the flexible substrate, and when pressure is applied, the distances among the conducting particles are reduced, and electric conduction in the vertical direction is achieved. Meanwhile, electrode connecting layers running through the flexible substrate are formed through heating solidification. The first electrode layer and the third electrode layer are in electric conduction through the corresponding electrode connecting layer, and the second electrode layer and the fourth electrode layer are in electrode conduction through the corresponding electrode connecting layer. The flexible substrate including the conducting particles is adopted in the flexible display device, and thus electrodes on the two sides of the substrate can be in reliable electric connection through the conducting particles in the flexible substrate.

Description

A kind of flexible display apparatus and preparation method thereof
Technical field
The present invention relates to organic photoelectric field is and in particular to a kind of flexible display apparatus and preparation method thereof.
Background technology
With the continuous development of Display Technique, oled (Organic Light Emitting Diode) is because of its luminosity height, rich color, low The advantages of pressure DC driven, preparation process is simple, it is increasingly becoming the focus of international research.Oled field range is wider, can be made into Larger sized product, can meet user to various sizes of requirement.Above-mentioned prominent advantage determines oled will become next Main flow for Display Technique.On the other hand, Flexible Displays are due to having thickness of thin, lightweight, bent or even rollable etc. Many merits, must be one of trend of Display Technique, future market has a extensive future.How oled to be incorporated into one with Flexible Displays Rise, become the main direction of studying of Display Technique instantly.Flexible Displays itself are flexible, fold feature is so that flexible base board With driving after bonding, during bending, easily form loose contact.In addition, bonding part takies certain volume, it is unfavorable for The slimming of display device and miniaturization.
Cn201310556805.x discloses a kind of flexible display apparatus, and described flexible display apparatus include: substrate, its tool There are viewing area and nominal region, and form curved surface by bending in one direction;And it is one or more Driving means, it is arranged on the described nominal region of described substrate, and wherein, described driving means are mounted so that described drive The minor face of dynamic device is along the described curved surface setting of described substrate, and the long side of described driving means is arranged on described substrate Flat surfaces on.Described driving means 120 be strip it is illustrated that its minor face of middle display, this minor face is curved along described substrate 101 Curved surface is arranged, as shown in Figure 1.Although this device can reduce bending in particular directions, between driving means and substrate Possible loose contact, but to substrate along the long side of driving means be curved when both loose contacts being likely to result in cannot Solve.
Cn201210224093.7 be related to organic light-emitting diode display technology and in particular to a kind of oled display floater and With the oled mosaic display screen of this display floater, including substrate, oled module is provided with substrate, the surrounding of oled module and Top is provided with encapsulated layer, is provided with perforation in the structure that oled module and display floater light-emitting area back are formed, from wearing Draw negative electrode and anode in hole respectively to the back of display floater light emission direction, draw negative electrode at the back of display floater light-emitting area Be respectively arranged with mutually disjunct conductive film layer at anode, from conductive film layer draw external circuitses bonding region.Due to wearing The aperture in hole is less, and needs to be provided with the anode cathode region of external circuitses and described oled anode cathode corresponding region many It is therefore desirable to higher punching skill and wire threading technology, processing technology is more complicated for individual perforation.
Content of the invention
For this reason, the technical problem to be solved is that in prior art, flexible base board two lateral circuit connects production process Complicated problem, provides a kind of flexible display apparatus, it adopts the flexible base board containing conducting particles, can make substrate both sides The conducting particles that electrode passes through in flexible base board realizes reliable electrical connection.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of flexible display, the organic luminescent device including flexible base board, being arranged on described flexible base board both sides and outer Connect circuit, described organic luminescent device includes first electrode layer, luminescent layer and the second electrode lay, external circuitses are respectively arranged at two ends with 3rd electrode layer and the 4th electrode layer, contain conducting particles in described flexible base board, apply pressure when described conducting particles it Between spacing reduce and realize conducting of vertical direction, passing through is heating and curing simultaneously forms and runs through the electrode of described flexible base board even Connect layer;Described first electrode layer passes through institute respectively with described 3rd electrode layer, described the second electrode lay and described 4th electrode layer State connection electrode layer to conduct.
Described first electrode layer, the second electrode lay, the 3rd electrode layer and the 4th electrode layer pass through respective contact conductor with Described connection electrode layer conducts.
Described first electrode layer is symmetricly set on the upper of described flexible base board with the contact conductor of described 3rd electrode layer The contact conductor of lower both sides, described the second electrode lay and described 4th electrode layer is symmetricly set on the both sides up and down of flexible base board.
Described first electrode layer (4) and the 3rd electrode layer (10) are realized conducting by described first electrode articulamentum (8), Described the second electrode lay (6) and the 4th electrode layer (11) are conducted by described second electrode articulamentum (9).
Described contact conductor is formed at the same side or the both sides of described flexible base board centrage.
Described flexible base board divides viewing area and non-display area, and described luminescent layer is arranged on described viewing area Interior, described connection electrode layer is arranged in the non-display area of described flexible base board.
The non-display area of described flexible base board or flexible base board is to be prepared from by anisotropy conductiving glue.
A kind of preparation method of flexible display is it is characterised in that comprise the steps:
S1, flexible base board is divided into viewing area and non-display area, described flexible base board or flexible base board non-aobvious Show that conducting particles is contained in region;
S2, on flexible substrates making organic luminescent device;
Make first electrode layer, luminescent layer and the second electrode lay successively in the viewing area of flexible base board, and make first Electrode layer and the contact conductor of the second electrode lay;
S3, flexible base board opposite side make external circuitses
Make external circuitses and the 3rd electrode layer being located at described external circuitses two ends and the in the opposite side of flexible base board Four electrode layers, and make the contact conductor of the 3rd electrode layer and the 4th electrode layer;
Described first electrode layer is symmetricly set on the upper of described flexible base board with the contact conductor of described 3rd electrode layer The contact conductor of lower both sides, described the second electrode lay and described 4th electrode layer is symmetricly set on the both sides up and down of flexible base board;
S4, pressurization form connection electrode layer
Apply pressure to the contact conductor of the both sides up and down being symmetricly set on flexible base board so that conduction in flexible base board Spacing between particle reduces realization and conducts, simultaneously by the formation connection electrode layer that is heating and curing.
Described step s4 is to form connection electrode layer by way of pressurized, heated, and described pressurized, heated is in 150- 300 DEG C, 0.1mpa-10mpa keeps 5-60s.
Described contact conductor is formed at the same side or the both sides of described flexible base board centrage, to first electrode layer and the 3rd The contact conductor pressurized, heated of electrode layer so that the spacing between conducting particles in flexible base board reduces realization and conducts, shape Become first electrode articulamentum;By to the contact conductor pressurized, heated of the second electrode lay and the 4th electrode layer so that flexible base board In conducting particles between spacing reduce realization and conduct, formed second electrode articulamentum or simultaneously to first electrode layer and The contact conductor of the 3rd electrode layer, the second electrode lay and the 4th electrode layer contact conductor pressurized, heated, form first electrode respectively Articulamentum and second electrode articulamentum.
The technique scheme of the present invention has the advantage that compared to existing technology
(1) it is provided with conducting particles in the described flexible base board that the flexible display that the present invention provides adopts.By to soft Property substrate pressurization so that spacing is reduced and realize conducting of vertical direction, pass through heating solid simultaneously Change and form the connection electrode layer running through described flexible base board, described organic luminescent device and described external circuitses are connected by electrode Layer is realized conducting, because connection electrode layer is that conducting particles within flexible substrate layer is formed, therefore, it is possible to be effectively ensured Flexible display makes electrical contact with BENDING PROCESS.Thus realizing the connection without bonding, increasing the reliability of device and reducing Device not light-emitting zone area.
(2) flexible display of the present invention by pressurized, heated completing substrate two lateral electrode connect after, the electricity of substrate both sides Extremely all can adopt thin-film package, form confined space, such electrode not with air contact, the length of electrode and its periphery can be eliminated The problems such as phase aoxidizes and electric conductivity is deteriorated.
(3) flexible display of the present invention, it is not necessary to fpc is attached in electrode connection procedure, connects dress reducing While putting, decrease para-position link, simplify technique, be conducive to the raising of production efficiency and the reduction of cost.
Brief description
In order that present disclosure is more likely to be clearly understood, specific embodiment below according to the present invention simultaneously combines Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of prior art;
Fig. 2 is the structural representation of flexible display of the present invention;
Fig. 3 is the structural representation of the display surface of another embodiment;
Fig. 4 is the external circuitses structural representation of device shown in Fig. 3;
Fig. 5 is the display surface structural representation of device shown in Fig. 2;
Fig. 6 is the external circuitses structural representation of device shown in Fig. 4;
In figure reference is expressed as: 1- flexible base board, 2- encapsulated layer, 4- first electrode layer, 5- luminescent layer, 6- second electricity Pole layer, 7- external circuitses, 8- first electrode articulamentum, 9- second electrode articulamentum, 10 the 3rd electrode layers, 11 the 4th electrode layers, 41- first electrode lead, 61- second electrode lead, 101- the 3rd contact conductor, 111- the 4th contact conductor.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.
The present invention can be embodied in many different forms, and should not be construed as limited to embodiment set forth herein. On the contrary, provide these embodiments so that the disclosure will be thorough and complete, and the design of the present invention will be fully conveyed to Those skilled in the art, the present invention will only be defined by the appended claims.In the accompanying drawings, for clarity, Ceng He area can be exaggerated The size in domain and relative size.It should be appreciated that when element such as layer, region or substrate are referred to as " being formed at " or " setting " another element " on " when, this element can be arranged directly on described another element, or can also there is intermediary element. On the contrary, when element is referred to as on " being formed directly into " or " being set directly at " another element, there is not intermediary element.
As shown in Fig. 2, Fig. 5, Fig. 6, a kind of flexible display of the present invention, there are viewing area and non-display area including division The flexible base board 1 in domain, the both sides of described flexible base board 1 viewing area are respectively provided with organic luminescent device and external circuitses, described It is provided with conducting particles, when applying pressure perpendicular to the direction of flexible base board 1 between described conducting particles in flexible base board 1 Spacing reduce realize vertical direction conduct (vertical direction herein refers to the direction perpendicular to flexible base board 1), lead to simultaneously Crossing is heating and curing forms first electrode articulamentum 8 and the second electrode articulamentum 9 running through described flexible base board, described organic light emission Device and described external circuitses are realized conducting by first electrode articulamentum 8 and second electrode articulamentum 9.Described first electrode Articulamentum 8 and described second electrode articulamentum 9 are arranged on the non-display area of described flexible base board 1.
Described organic luminescent device includes first electrode layer 4, luminescent layer 5 and the second electrode lay 6, described first electrode layer 4 It is arranged on described flexible base board 1 and conducted with described first electrode articulamentum 8 by first electrode lead 41;Described luminous Layer 5 is arranged in described first electrode layer 4, and described the second electrode lay 6 covers described luminescent layer 5 and passes through second electrode lead 61 Conduct with described second electrode articulamentum 9., compared with luminous layer structure in technology, here is omitted for described luminescent layer.
Described external circuitses are respectively arranged at two ends with the 3rd electrode layer 10 and the 4th electrode layer 11, and described 3rd electrode layer 10 leads to Cross the 3rd contact conductor 101 to conduct with described first electrode articulamentum 8, described 4th electrode layer 11 passes through the 4th contact conductor 111 are conducted with described second electrode articulamentum 9.
Described first electrode lead 41 is symmetricly set on the upper and lower of described flexible base board 1 with described 3rd contact conductor 101 Both sides, described second electrode lead 61 and described 4th contact conductor 111 are symmetricly set on up and down the two of described flexible base board 1 Side, first electrode lead 41 and second electrode lead 61 are distributed in the both sides of described flexible base board 1 centrage it is also possible to be arranged on The same side of centrage, accordingly, described 3rd contact conductor 101 and the 4th contact conductor 111 are also distributed about described flexibility base The both sides of plate 1 centrage.By first electrode lead 41 and the 3rd contact conductor 101 applying pressure are made with flexibility therebetween Conducting particles in substrate 1 forms first electrode articulamentum 8, forms second electrode articulamentum 9 using same method.
Described flexible display also includes encapsulated layer 2, and described organic luminescent device is located at described encapsulated layer 2 and described flexibility In the confined space that substrate is formed.
As other embodiment, described external circuitses can also be provided with encapsulated layer.
A kind of preparation method of flexible display, comprises the steps:
S1, flexible base board 1 is divided into viewing area and non-display area, described flexible base board or flexible base board non-aobvious Show that conducting particles is contained in region;
S2, on a flexible substrate 1 making organic luminescent device
Make first electrode layer 4, luminescent layer 5 and the second electrode lay 6 in the viewing area of flexible base board 1 successively, and respectively Make the first electrode lead 41 electrically connecting with first electrode layer 4 and the first electrode lead 61 electrically connecting with the second electrode lay 6;
S3, flexible base board 1 opposite side make external circuitses
The 3rd electrode layer 10 making external circuitses 7 and being located at described external circuitses 7 two ends in the opposite side of flexible base board 1 With the 4th electrode layer 11, and make respectively the first electrode lead 101 that electrically connects with the 3rd electrode layer 10 and with the 4th electrode layer 4th contact conductor 111 of 11 electrical connections;
The projection on a flexible substrate 1 of first electrode lead 41 and the 3rd contact conductor 101 is overlapping or partly overlap (Fig. 2, Part shown in dotted line in Fig. 5 and Fig. 6);Second electrode lead 61 and the 4th contact conductor 111 projection weight on a flexible substrate 1 Fold or partly overlap (part shown in dotted line in Fig. 2, Fig. 5 and Fig. 6);
S4, pressurized, heated form connection electrode layer
Apply pressure to first electrode lead 41 and the 3rd contact conductor 101 so that conducting particles in flexible base board 1 it Between spacing reduce realization and conduct, pass through to be heating and curing forms the first electrode articulamentum 8 running through described flexible base board simultaneously; By pressure being applied to second electrode lead 61 and the 4th contact conductor 111 so that between conducting particles in flexible base board 1 Spacing reduces realization and conducts, and pass through to be heating and curing forms the formation second electrode articulamentum 9 running through described flexible base board simultaneously;
S5, thin-film package, obtain final product.
The flexible base board 1 that the present invention uses can be wherein conductive using the polymer flexibility substrate being added with conducting particles Particle is one of copper powder, nikel powder, bronze, argentum powder, aluminium powder, palladium powder, iron powder, tungsten powder, molybdenum powder, zirconium powder, cobalt powder or wherein several Kind mixture, or conducting particles is made up of one of above-mentioned metal or wherein several coated insulation granule.Conducting particles Uniform particle diameter, particle size range 1-10 μm, conducting particles shape is including but not limited to spherical.Polymer flexibility substrate is in preparation process Middle add upper above-mentioned conducting particles, polymer is not specially required, be commonly used in the art have flexible Polymeric substrates.As another embodiment it is also possible to the non-display area in flexible base board 1 arranges above-mentioned conductive particle Son.Using such flexible base board being added with conducting particles, described step s4 is to form the first electricity by the way of pressurized, heated Pole articulamentum 8 and second electrode articulamentum 9, pressure is generally 0.1mpa-10mpa, generally 150-300 DEG C of temperature, keeps 5- 60s.
The flexible base board 1 of the present invention can also be using anisotropy conductiving glue preparation.In described anisotropy conductiving glue Conducting particles is coated with insulating film layer, and described insulating film layer is made up of sizing, conductive filler, firming agent, diluent, toughener, Wherein sizing by one of epoxy resin, polyimides, phenolic resin and other thermoplastic resins or several constitute, this insulation Film layer ruptures under the conditions of pressurized, heated and makes conducting particles realize conducting.It should be noted that the present invention adopt each to different Property conducting resinl do not have particular/special requirement, be the market universal product, its can vertical flexible base board direction conductive and in flexibility Substrate is internal non-conductive, such as to sky, waits in " adhesion in china " volume 29 " anisotropy that the 10th phase delivered The research of conducting resinl and application present situation " in the conducting resinl mentioned all can use, the commercially available prod such as limited public affairs of Lu Jia industry (Shanghai) The anisotropy conductiving glue of the sale such as department, Hai Zheng industry (Shanghai) Co., Ltd. all can use.
As another embodiment, the non-display area of flexible base board 1 is prepared from by above-mentioned anisotropy conductiving glue. Conducting particles can be one of copper powder, nikel powder, bronze, argentum powder, aluminium powder, palladium powder, iron powder, tungsten powder, molybdenum powder, zirconium powder, cobalt powder Or wherein several mixture, or conducting particles is made up of one of above-mentioned metal or wherein several coated insulation granule. Conducting particles uniform particle diameter, particle size range 1-10 μm, conducting particles shape is including but not limited to spherical.Using such have each to different Property the flexible base board that formed of conducting resinl, described step s4 is to form first electrode articulamentum 8 and the by the way of pressurized, heated Two connection electrode layers 9, at 150-300 DEG C, 0.1mpa-10mpa, keep 5-60s.
It is emphasized that the flexible base board 1 that the present invention uses is not particularly limited, as long as not damaging the effect of the present invention Can arbitrarily select, wherein conventional polymer is polyethylene terephthalate (polyethylene Terephthalate, pet), PEN (polyethylene naphthalate, pen), Merlon (polycarbonate, pc), polyether sulfone (polyether sulfone, pes), polyimides (polyimide, pi), it is combined Material film (fiber reinforced plastic, frp), they can be material commonly used in the art, use Anisotropy conductiving glue or conducting particles also have no special requirements, and presently commercially available conducting resinl or conducting particles all can use.
As another embodiment, as shown in Figure 3 and Figure 4, described first electrode lead 41 is drawn with described 3rd electrode Line 101 is symmetricly set on the both sides up and down of described flexible base board 1, described second electrode lead 61 and described 4th contact conductor 111 both sides up and down being symmetricly set on described flexible base board 1, first electrode lead 41 and second electrode lead 61 are distributed in described The same side of flexible base board 1 centrage, accordingly, described 3rd contact conductor 101 and the 4th contact conductor 111 are also distributed about institute State flexible base board 1 centrage the same side.By to first electrode lead 41, second electrode lead 61, the 3rd contact conductor 101 and 4th contact conductor 111 applies pressure simultaneously makes the conducting particles in flexible base board 1 form connection electrode layer.In the present embodiment its His each layer is with the flexible display shown in Fig. 2.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or Change among still in protection scope of the present invention.

Claims (10)

1. a kind of flexible display, including flexible base board (1), the organic luminescent device that is arranged on described flexible base board (1) both sides And external circuitses, described organic luminescent device includes first electrode layer (4), luminescent layer (5) and the second electrode lay (6), external electricity Road be respectively arranged at two ends with the 3rd electrode layer (10) and the 4th electrode layer (11) it is characterised in that
Conducting particles is contained, the spacing between described conducting particles reduces realization when applying pressure in described flexible base board (1) Conducting of vertical direction, forms, by being heating and curing, the connection electrode layer running through described flexible base board simultaneously;Described first electricity Pole layer (4) and described 3rd electrode layer (10), described the second electrode lay (6) and described 4th electrode layer (11) pass through described respectively Connection electrode layer conducts.
2. according to claim 1 a kind of flexible display it is characterised in that described first electrode layer (4), the second electrode lay (6), the 3rd electrode layer (10) and the 4th electrode layer (11) are conducted with described connection electrode layer by respective contact conductor.
3. according to claim 2 a kind of flexible display it is characterised in that described first electrode layer (4) and described the The contact conductor of three electrode layers (10) is symmetricly set on the both sides up and down of described flexible base board (1), described the second electrode lay (6) with The contact conductor of described 4th electrode layer (11) is symmetricly set on the both sides up and down of flexible base board (1).
4. a kind of flexible display according to claim 3, described first electrode layer (4) and the 3rd electrode layer (10) pass through the One connection electrode layer (8) is realized conducting, and described the second electrode lay (6) and the 4th electrode layer (11) pass through second electrode articulamentum (9) conduct.
5. according to claim 4 a kind of flexible display it is characterised in that described contact conductor be formed at described flexibility base The same side of plate (1) centrage or both sides.
6. according to claim 4 or 5, a kind of flexible display has display it is characterised in that described flexible base board (1) divides Region and non-display area, described luminescent layer (5) is arranged in described viewing area, and described connection electrode layer is arranged on described soft In the non-display area of property substrate (1).
7. flexible display according to claim 1 is it is characterised in that described flexible base board (1) or flexible base board (1) Non-display area contains anisotropy conductiving glue.
8. a kind of preparation method of flexible display is it is characterised in that comprise the steps:
S1, flexible base board (1) is divided into viewing area and non-display area, described flexible base board or flexible base board non-display Conducting particles is contained in region;
S2, make organic luminescent device flexible base board (1) is upper;
Make first electrode layer (4), luminescent layer (5) and the second electrode lay (6) in the viewing area of flexible base board (1) successively, and Make the contact conductor of first electrode layer (4) and the second electrode lay (6);
S3, flexible base board (1) opposite side make external circuitses
The 3rd electrode layer making external circuitses (7) and being located at described external circuitses (7) two ends in the opposite side of flexible base board (1) And the 4th electrode layer (11), and make the contact conductor of the 3rd electrode layer (10) and the 4th electrode layer (11) (10);
Described first electrode layer (4) is symmetricly set on described flexible base board with the contact conductor of described 3rd electrode layer (10) (1) both sides up and down, described the second electrode lay (6) is symmetricly set on flexible base with the contact conductor of described 4th electrode layer (11) The both sides up and down of plate (1);
S4, pressurization form connection electrode layer
Apply pressure to the contact conductor of the both sides up and down being symmetricly set on flexible base board (1) so that leading in flexible base board (1) Spacing between charged particle reduces realization and conducts, simultaneously by the formation connection electrode layer that is heating and curing.
9. the preparation method of flexible display according to claim 8 is it is characterised in that described step s4 is by pressurization The mode of heating forms connection electrode layer, and described pressurized, heated is at 150-300 DEG C, and 0.1mpa-10mpa keeps 5-60s.
10. the preparation method of flexible display according to claim 8 is it is characterised in that described contact conductor is formed at The same side of described flexible base board (1) centrage or both sides, to the contact conductor of first electrode layer (4) and the 3rd electrode layer (10) Pressurized, heated, so that the spacing between conducting particles in flexible base board (1) reduces realization and conducts, forms first electrode and connects Layer (8);By to the contact conductor pressurized, heated of the second electrode lay (6) and the 4th electrode layer (11) so that in flexible base board (1) Conducting particles between spacing reduce realization and conduct, form second electrode articulamentum (9).
CN201410856889.3A 2014-12-31 2014-12-31 Flexible display device and manufacturing method thereof Active CN104576966B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410856889.3A CN104576966B (en) 2014-12-31 2014-12-31 Flexible display device and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410856889.3A CN104576966B (en) 2014-12-31 2014-12-31 Flexible display device and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN104576966A CN104576966A (en) 2015-04-29
CN104576966B true CN104576966B (en) 2017-02-01

Family

ID=53092560

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410856889.3A Active CN104576966B (en) 2014-12-31 2014-12-31 Flexible display device and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN104576966B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107068863B (en) * 2017-06-07 2020-05-01 深圳市华星光电技术有限公司 Flexible OLED device and preparation method thereof
CN107658330B (en) * 2017-09-06 2023-12-12 Oppo广东移动通信有限公司 OLED display panel, mobile terminal and manufacturing method
CN109638040B (en) * 2018-11-28 2021-06-25 武汉华星光电半导体显示技术有限公司 Display structure and manufacturing method thereof
CN114078942B (en) * 2021-11-01 2023-05-02 武汉华星光电半导体显示技术有限公司 OLED display module and OLED display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1290121A (en) * 1999-09-27 2001-04-04 索尼株式会社 Printed circuit board and display device
CN101041720A (en) * 2006-03-21 2007-09-26 三星电子株式会社 Conductive transparent material, manufacturing method thereof and display device comprising the same
CN101681692A (en) * 2007-04-16 2010-03-24 索尼化学&信息部件株式会社 Electrically conductive particle, anisotropic conductive connection material, and method for production of electrically conductive particle
CN101713875A (en) * 2008-10-07 2010-05-26 元太科技工业股份有限公司 Flexible display panel
CN101953026A (en) * 2008-10-21 2011-01-19 住友电气工业株式会社 Opic electroconductive film

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5570353B2 (en) * 2010-09-03 2014-08-13 バイエル マテリアルサイエンス株式会社 Conductive member having elastic wiring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1290121A (en) * 1999-09-27 2001-04-04 索尼株式会社 Printed circuit board and display device
CN101041720A (en) * 2006-03-21 2007-09-26 三星电子株式会社 Conductive transparent material, manufacturing method thereof and display device comprising the same
CN101681692A (en) * 2007-04-16 2010-03-24 索尼化学&信息部件株式会社 Electrically conductive particle, anisotropic conductive connection material, and method for production of electrically conductive particle
CN101713875A (en) * 2008-10-07 2010-05-26 元太科技工业股份有限公司 Flexible display panel
CN101953026A (en) * 2008-10-21 2011-01-19 住友电气工业株式会社 Opic electroconductive film

Also Published As

Publication number Publication date
CN104576966A (en) 2015-04-29

Similar Documents

Publication Publication Date Title
JP5162979B2 (en) Light emitting device
CN102860128A (en) Organic el illumination device
US20200028114A1 (en) Display panel and display apparatus
US10734365B2 (en) Light-emitting device
CN104576966B (en) Flexible display device and manufacturing method thereof
CN105808000A (en) OLED (Organic Light Emitting Diode) display apparatus and fabrication method
CN105684069A (en) Display device using semiconductor light emitting device
JP2011228463A (en) Led light source device and manufacturing method for the same
WO2021103354A1 (en) Display apparatus
CN104253149A (en) OLED (Organic Light Emitting Diode) display
WO2021103352A1 (en) Display apparatus
CN103904096A (en) Double-sided OLED display panel and manufacturing method thereof
CN104576965B (en) Flexible display device capable of being electrically connected end to end and preparation method thereof
CN105409025A (en) Flexible printed circuit boards structure
US10573597B1 (en) Electronic device and manufacturing method thereof
CN204271144U (en) A kind of flexible display apparatus
US9706645B2 (en) L-bending PCB
CN105448202A (en) LED display device with transparent and flexible substrate
CN203760010U (en) Semiconductor display unit based on lamination baseboard with separated display and control
TWM502249U (en) Flexible LED substrate structure
JP2006163408A (en) Double-side display device and manufacturing method thereof
US20200332155A1 (en) Anisotropic conductive film and fabricating method thereof
US9638400B2 (en) OLED lighting module
US20140027169A1 (en) Anisotropic conductive film
CN105247698A (en) Organic light-emitting device and manufacturing method therefor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20181212

Address after: 065700 Lanyuan S3 Building, Peacock City, Bazhou, Langfang City, Hebei Province

Patentee after: Bazhou Yungu Electronic Technology Co. Ltd.

Address before: 100085 First Floor of Huanyang Building, No. 1 Shangdi East Road, Haidian District, Beijing

Patentee before: Weixinnuo Science and Technology Co., Ltd., Beijing

TR01 Transfer of patent right