WO2015142149A1 - 봉지용 적층체, 유기발광장치 및 이들의 제조방법 - Google Patents
봉지용 적층체, 유기발광장치 및 이들의 제조방법 Download PDFInfo
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- WO2015142149A1 WO2015142149A1 PCT/KR2015/002844 KR2015002844W WO2015142149A1 WO 2015142149 A1 WO2015142149 A1 WO 2015142149A1 KR 2015002844 W KR2015002844 W KR 2015002844W WO 2015142149 A1 WO2015142149 A1 WO 2015142149A1
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- layer
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
-
- 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
- H10K59/80—Constructional details
- H10K59/805—Electrodes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/206—Organic displays, e.g. OLED
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2581/00—Seals; Sealing equipment; Gaskets
-
- 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
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8721—Metallic sealing arrangements
-
- 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
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
- H10K59/8731—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
Definitions
- the present application relates to a laminate for sealing, an organic light emitting device, and a method of manufacturing the same. More specifically, the present invention relates to an organic light emitting device manufactured by using an encapsulation laminate of an organic light emitting device, an encapsulation laminate, and a manufacturing method thereof.
- An organic light emitting device is a device that emits light while injecting holes and electrons by injecting holes and electrons through an electrode into an emission layer formed between two electrodes and forming excitons.
- the organic light emitting device Since the organic light emitting device has a self-luminous property, it is thinner than the conventional liquid crystal display, has a low power consumption, and has an excellent viewing angle and high response speed. In addition, as compared to the plasma display panel or the inorganic EL panel display can be driven at a lower voltage of less than 10V has the advantage of low power consumption and excellent color. In addition, the organic light emitting device may be manufactured using a plastic substrate having a bending characteristic.
- the organic light emitting device is divided into a passive type and an active type.
- the passive type the bottom emission method of emitting light generated in the light emitting layer to the substrate surface is adopted.
- the active method the aperture ratio is reduced due to the TFT. Therefore, in order to increase the aperture ratio, a top emission method of emitting light to the opposite side of the substrate may be used.
- It provides a method for producing a laminate for sealing comprising the step of laminating the adhesive film with a protective film.
- the step of laminating the encapsulation film and the adhesive film may be performed by laminating an adhesive film in the form of a film on the encapsulation film, but may be performed by coating and curing the adhesive composition on the encapsulation film to form an adhesive film. Can be.
- It provides a method for producing a laminate for sealing comprising the step of laminating the adhesive film and the sealing film.
- the stacking of the protective film and the adhesive film may be performed by laminating an adhesive film in the form of a film on the protective film, but may be performed by coating and then curing the adhesive composition on the protective film to form an adhesive film. It may be.
- the method of manufacturing a laminate for encapsulation of the above-described embodiments may further include forming an additional polymer layer on a surface opposite to a surface of the encapsulation film that is in contact with the adhesive film.
- the forming of the polymer layer may be performed before, after or simultaneously with laminating or laminating the encapsulation film and the adhesive film.
- the method of forming the polymer layer may be formed by a method of laminating a polymer film. If necessary, an adhesive or an adhesive may be used for the lamination.
- cutting laminates including a sealing film, an adhesive film provided on one side of the sealing film, and a protective film provided on the opposite side of the surface provided with the sealing film of the adhesive film without cutting the protective film
- It provides a method of manufacturing a laminate for sealing comprising the step of removing the side film between the pattern units so that the pattern units are spaced apart from each other.
- the method of manufacturing the encapsulation laminate according to the exemplary embodiment may further include attaching a carrier film to cover all of the encapsulation layers of the two or more pattern units.
- Two or more pattern units including an encapsulation layer and an adhesive layer provided on one side of the encapsulation layer, and spaced apart from each other; Fixing the pattern unit side of the encapsulation laminate comprising a protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of two or more pattern units to a stage or a separate tray of the device for bonding with the organic light emitting unit. Removing the protective film in a controlled state; And
- Bonding an organic light emitting device comprising a substrate and at least two organic light emitting units provided on the substrate to the adhesive layer side of the encapsulation laminate such that each pattern unit and each organic light emitting unit correspond to each other; It provides a manufacturing method. After the bonding, the device or tray for bonding with the organic light emitting unit is separated from the encapsulation laminate.
- Two or more pattern units including an encapsulation layer and an adhesive layer provided on one side of the encapsulation layer, and spaced apart from each other; A protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of the two or more pattern units; And removing the protective film from the laminate for encapsulation, the carrier film being provided on the encapsulation layer side of the pattern unit and including all of the encapsulation layers of the two or more pattern units.
- Bonding an organic light emitting device comprising a substrate and at least two organic light emitting units provided on the substrate to the adhesive layer side of the encapsulation laminate such that each pattern unit and each organic light emitting unit correspond to each other; It provides a manufacturing method.
- Two or more pattern units including an encapsulation layer and an adhesive layer provided on one side of the encapsulation layer, and spaced apart from each other; A protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of the two or more pattern units; And removing the protective film from the laminate for encapsulation, the carrier film being provided on the encapsulation layer side of the pattern unit and including all of the encapsulation layers of the two or more pattern units.
- It provides a method of manufacturing an organic light emitting device comprising the step of removing the carrier film from the sealing laminate.
- Another embodiment of the present application is an encapsulation film; An adhesive film provided on one surface of the encapsulation film; And it provides a laminate for sealing comprising a protective film provided on the opposite side of the surface provided with the sealing film of the adhesive film.
- an encapsulation layer and two or more pattern units including an adhesive layer provided on one side of the encapsulation layer and spaced apart from each other; And a protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of the two or more pattern units.
- the encapsulation laminate may further include a carrier film provided on the encapsulation layer side of the pattern unit and covering all of the encapsulation layers of two or more pattern units.
- Another embodiment of the present application is an encapsulation layer; And at least two pattern units including an adhesive layer provided on one surface of the encapsulation layer and spaced apart from each other;
- An organic light emitting device provided on an adhesive layer side of the pattern unit, wherein the organic light emitting device comprises a substrate and at least two organic light emitting units provided on the substrate, each organic light emitting unit is provided to correspond to each of the pattern unit It will be an organic light emitting device; And a carrier film provided on an encapsulation layer side of the pattern unit and covering all of the encapsulation layers of the two or more pattern units.
- the state in which each organic light emitting unit is provided to correspond to each pattern unit includes a state in which each organic light emitting unit is covered by each pattern unit.
- Another embodiment of the present application is an encapsulation layer; And at least two pattern units including an adhesive layer provided on one surface of the encapsulation layer and spaced apart from each other; And an organic light emitting element provided on an adhesive layer side of the pattern unit, wherein the organic light emitting element includes a substrate and two or more organic light emitting units provided on the substrate, and each organic light emitting unit is provided to correspond to each of the pattern units. It provides an organic light emitting device comprising an organic light emitting device.
- the state in which each organic light emitting unit is provided to correspond to each pattern unit includes a state in which each organic light emitting unit is covered by each pattern unit.
- Another embodiment of the present application provides a lighting device or a display device including the organic light emitting device.
- the encapsulation film may be an inorganic film or an inorganic pattern film including a support layer and two or more inorganic patterns provided on the support layer.
- the support layer is an insulating layer.
- the inorganic material is a metal.
- the encapsulation film is a metal foil or a metal clad film comprising an insulating layer and at least two metal patterns provided on at least one surface of the insulating layer.
- an organic film having a barrier to oxygen or moisture, or a film having a laminated structure in which an organic material layer and an inorganic material layer are alternately laminated may be used.
- the encapsulation layer may be an inorganic layer or an inorganic pattern layer including a support layer and an inorganic pattern provided on the support layer.
- the encapsulation layer is a metal foil layer, or a metal clad layer comprising an insulating layer and a metal pattern provided on at least one surface of the insulating layer.
- an organic light emitting device including a plurality of organic light emitting units can be manufactured using a roll lamination method, but also a roll lamination method can be applied to an encapsulation process, thereby simplifying the process.
- the process efficiency can be greatly improved.
- FIG. 1 shows a schematic diagram of a first process according to an exemplary embodiment of the present application.
- FIG. 2 shows a first process schematic diagram according to another exemplary embodiment of the present application.
- Figure 3 shows a schematic diagram of a second process according to an exemplary embodiment of the present application.
- FIG. 4 shows a schematic diagram of a third process according to an exemplary embodiment of the present application.
- 11 to 14 illustrate the structure of the organic light emitting device according to the embodiments of the present application.
- the present application comprises the steps of laminating the sealing film and the adhesive film; And it provides a method for producing a laminate for sealing comprising the step of laminating the adhesive film with a protective film.
- the encapsulation film may be an inorganic film or an inorganic pattern film including a support layer and two or more inorganic patterns provided on the support layer.
- the inorganic material is a metal.
- the encapsulation film is a metal clad film including a metal foil, an insulating layer, and two or more metal patterns provided on at least one surface of the insulating layer.
- Figure 1 shows a schematic diagram of the method according to the embodiment.
- a metal clad film is described as an example of an encapsulation film, but the metal clad film may be replaced with another kind of encapsulation film illustrated herein.
- the laminated structure of the metal clad film and the adhesive film may be formed and the lamination of the laminated structure and the protective film may be performed using a roll lamination method.
- Method according to the embodiment may further comprise the step of winding the encapsulation laminate in the form of a roll.
- the rolled roll may be usefully used in the process proceeding after the method.
- process efficiency can be improved significantly.
- the encapsulation film When the encapsulation laminate is wound in a roll shape, the encapsulation film may be wound so that the encapsulation film is provided closer to the rotation axis of the roll than the protective film, and the protective film of the encapsulation laminate is It may be wound up to be provided closer to the rotation axis of the roll than the sealing film.
- the adhesive composition is not particularly limited, and is not particularly limited as long as it is a material having adhesiveness by UV, heat, or pressure.
- a heat curable adhesive composition may be used.
- the adhesive composition has the property of a pressure-sensitive adhesive after thermal curing.
- the adhesive composition comprises a sealing material.
- the sealing material means a material having a property of blocking or absorbing oxygen or moisture to protect the organic light emitting element from oxygen or moisture.
- the adhesive composition may be coated on the encapsulation film by a roll coating method.
- the lamination of the adhesive film and the protective film of the laminated structure is not particularly limited, but may be performed by roll lamination. Further processing may be performed during or after the roll lamination process, such as applying UV, heat, pressure, and the like. By such an additional treatment, the adhesiveness of the above-described adhesive film may be improved or the processability may be improved. As an example, after lamination of the adhesive film and the protective film may be performed by roll lamination, UV treatment may be performed.
- the protective film is not particularly limited as long as it is known in the art, and a film used in a general film process such as Pol (polarizing plate) and film-type patterned retarder (FPR) may also be used.
- Pol polarizing plate
- FPR film-type patterned retarder
- the encapsulation film includes a support layer and at least one inorganic pattern provided on at least one surface of the support layer, and each inorganic pattern is a pattern applied to one organic light emitting unit.
- each inorganic pattern has a shape and size that can cover one organic light emitting unit.
- the inorganic pattern is a metal pattern
- the inorganic pattern film is a metal clad film including an insulating layer and two or more metal patterns provided on at least one surface of the insulating layer.
- Each metal pattern of the metal clad film is a pattern applied to one organic light emitting unit, for example, a pattern applied to cover one organic light emitting unit.
- each metal pattern may be a metal sealing pattern covering one organic light emitting unit, and may further include a printed circuit pattern for connecting an electrode to an external power source in one organic light emitting unit.
- the metal pattern material of the metal clad film is not particularly limited as long as it has a material property required for encapsulation of the organic light emitting unit.
- the metal pattern material may be at least one of copper, aluminum, iron, magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, platinum, gold, tungsten, tantalum, silver, tin, and lead.
- the present invention is not limited thereto, and copper may be most preferably used.
- the metal pattern may be formed by laminating a metal pattern cut in advance on the insulating layer, or by depositing and patterning a metal layer on the insulating layer.
- the metal pattern may have a thickness of 1 to 50 ⁇ m, 2 to 40 ⁇ m, and 5 to 20 ⁇ m, but is not limited thereto.
- each metal pattern of the metal clad film includes a metal sealing pattern provided to be located on the upper portion of each organic light emitting unit to be described later.
- the metal sealing pattern may correspond to the size of the light emitting portion of the organic light emitting unit to be laminated later, or may be larger than the size of the organic light emitting portion.
- each metal pattern of the metal clad film may include the first metal pattern and the second electrode and the external power source which electrically connect the first electrode and the external power source of each organic light emitting unit to be described later. And a second metal pattern for electrically connecting.
- each metal pattern of the metal clad film includes the metal sealing pattern, the first metal pattern, and the second metal pattern.
- the insulating layer of the metal clad film is not particularly limited as long as it has insulating property.
- insulating polymers specifically polyimide, polyester and epoxy resins and the like can be used.
- polyimide may be used, but is not limited thereto.
- the insulating layer may have a thickness of about 1 ⁇ m to about 50 ⁇ m and about 5 ⁇ m to about 20 ⁇ m, but is not limited thereto.
- a release film and a protective film are attached to both sides of an adhesive film, and cut to fit the size of each organic light emitting unit, and after removing the protective film, the metal seal cut to fit the size of each organic light emitting unit here.
- each organic light emitting unit was attached to a carrier substrate.
- Each of the release films was removed from the metal sealing patterns, and the organic light emitting unit was vacuum bonded to each other. The carrier substrate was then removed. The conventional process is illustrated in FIG.
- a metal clad film including a metal sealing pattern is coated or laminated at the same time by a roll process without the need to cut and attach the organic light emitting unit for each organic light emitting unit. It can be cut and bonded to a plurality of organic light emitting units at a time by a roll process, the process advantages are large.
- the process when bonding the carrier substrate containing the Invar metal and the organic light emitting unit in the prior art, when both sides are rigid (rigid), the process must be performed in vacuum to remove the bubbles between the two rigid substrates.
- the sealing laminate including at least the metal clad film, the adhesive film, and the protective film may be flexible, the organic light emitting unit may be bonded to the organic light emitting unit using a roll lamination in a non-vacuum environment. A considerable amount of bubbles can be removed, and if necessary, fine residual bubbles can be removed through a post process, such as an auto clave.
- the metal clad film may include a contact hole for electrically connecting the first electrode or the second electrode of the organic light emitting unit to be bonded later and an external power source.
- the contact hole may be formed using a method known in the art.
- the contact hole may include a conductive paste therein for electrically connecting the first electrode or the second electrode and an external power source.
- the conductive paste may include one or more selected from Ag, Au, Cu, Ni, Al, W, Co, Pd, and alloys thereof, but is not limited thereto.
- the manufacturing method of the encapsulation laminate of the above-described embodiments may further comprise the step of forming an additional polymer layer on the opposite surface of the sealing film in contact with the adhesive film.
- the polymer layer may protect the encapsulation film and perform a more stable encapsulation function.
- the material of the polymer layer is not particularly limited, and polyimide (PI), polyethylene terephthalate (PET), polyethylene (PE) and the like may be used, but are not limited thereto.
- the forming of the polymer layer may be performed before, after or simultaneously with laminating or laminating the encapsulation film and the adhesive film.
- the method of forming the polymer layer may be formed by a method of laminating a polymer film. If necessary, an adhesive or an adhesive may be used for the lamination.
- the encapsulation laminate may further include an anisotropic conductive film electrically connecting the first electrode or the second electrode of the organic light emitting unit to be bonded later and an external power source.
- the anisotropic conductive film may use a thermosetting resin film including a conductive ball made of small conductive particles.
- the adhesive film may include a conductive ball.
- the conductive ball may serve to electrically connect the first electrode or the second electrode and an external power source.
- the metal clad film may further include a first metal pad electrically connected to the first electrode of the organic light emitting unit to be bonded later on the insulating layer.
- the insulating layer may further include a second metal pad electrically connected to the second electrode.
- both the first metal pad and the second metal pad may be included on the insulating layer.
- an additional insulating layer may be provided between the first metal pad and the second metal pad.
- the encapsulation film is a metal foil.
- Aluminum foil may be used as the metal foil, but is not limited thereto.
- FIG. 2 shows a schematic diagram of the method according to the embodiment.
- the stacking of the protective film and the adhesive film may be performed by laminating an adhesive film in the form of a film on the protective film, but may be performed by coating and then curing the adhesive composition on the protective film to form an adhesive film. It may be.
- the embodiment illustrated in FIG. 2 applies all of the descriptions related to the embodiment illustrated in FIG. 1, except that the adhesive composition is coated on a protective film rather than a metal clad film, and later laminated with a metal clad film. Can be.
- Another embodiment of the present application for the encapsulation comprising a sealing film, an adhesive film provided on one side of the encapsulation film, and a protective film provided on the opposite side of the surface provided with the encapsulation film of the adhesive film
- a sealing film By cutting the encapsulation film and the adhesive film in the thickness direction of the film without cutting the protective film in the laminate, two or more pattern units including an encapsulation layer and an adhesive layer provided on either side of the encapsulation layer are formed. Doing; And removing the side film between the pattern units so that the pattern units are spaced apart from each other.
- the manufacturing method may further include attaching a carrier film to cover all of the encapsulation layers of the two or more pattern units on the side where the encapsulation layers of the pattern units are provided.
- Figure 3 shows a schematic diagram of the method according to the embodiment. Although a method using a carrier film is illustrated in FIG. 3, when the carrier film is not attached, the stage on which the carrier film of the encapsulation laminate is attached is bonded to the above-described organic light emitting unit instead of the carrier film. Or the content of FIG. 3 applies except that it is fixed directly to the tray.
- a method of cutting the encapsulation film and the adhesive film in the thickness direction of the film may be referred to herein as half cut punching or half cutting.
- a cutting method is not particularly limited.
- the size of the half-cut pattern may be different from model to model depending on the shape of the final product. Since half cutting is an optional process in which only some of the laminated films should be cut, a punching process is preferable in terms of processing.
- the pattern unit means a unit bonded to each of the organic light emitting units in a later step.
- the pattern shape or size of the pattern unit may be predetermined according to the desired final product in the process design.
- the side film refers to a part having the same laminated structure as the pattern unit, but to be removed in advance because it is a part not laminated to the organic light emitting units in the final product. Removal of the side film can also be performed by a roll process. As one example, a simple method of hanging a half cut laminate onto a roll to remove it continuously may be used. This method is a method used in a general film process. Removal of the side film may proceed in the same manner as the method of removing the protective film in the film process.
- the polymer layer is also in the thickness direction. To be cut.
- the step of cutting the encapsulation laminate to have only a predetermined number of pattern units may be further performed.
- the encapsulation laminate in the state in which the carrier film is attached is illustrated, but the cutting may be performed in the same manner as described above even when the carrier film is not attached.
- the number of pattern units included in the cut laminate may be determined according to the size of the substrate of the organic light emitting diode to be bonded.
- substrates of the organic light emitting device may be used in various sizes, such as second generation, fifth generation.
- the number of the pattern units may be cut to be equal to the number of organic light emitting elements included in the device including the organic light emitting element.
- This cutting step is distinguished from the half cutting step, and may be referred to as full cut punching or full cutting in that the entire laminate is cut in the thickness direction.
- the full cutting is not particularly limited, and a punching method may be used similarly to the above-described half cutting, but a laser or a wheel cutting may be used.
- the carrier film plays a role for process convenience, no special properties are required, and a film such as general PE, PET, PEN may be used, and a low-cost film is preferable.
- a film such as general PE, PET, PEN may be used, and a low-cost film is preferable.
- the carrier film one coated with a weak adhesive film may be used to facilitate removal after the end of the process.
- Two or more pattern units including an encapsulation layer and an adhesive layer provided on one side of the encapsulation layer, and spaced apart from each other;
- the pattern unit side of the encapsulation laminate comprising a protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of two or more pattern units is directly fixed to the stage or tray of the device for bonding with the organic light emitting unit. Removing the protective film in a state;
- Bonding an organic light emitting device comprising a substrate and at least two organic light emitting units provided on the substrate to the adhesive layer side of the encapsulation laminate such that each pattern unit and each organic light emitting unit correspond to each other; It provides a manufacturing method. After the bonding, the device or tray for bonding with the organic light emitting unit is separated from the laminate for encapsulation.
- the device for bonding with the organic light emitting unit is a device used to bond the encapsulation laminate with the organic light emitting unit without a carrier film.
- the tray is a means for transporting the encapsulation laminate in order to bond the encapsulation laminate with the organic light emitting unit without a carrier film.
- the process of attaching and removing the carrier film can be omitted, thereby reducing the process cost.
- the stage surface or the tray surface to which the pattern unit of the encapsulation laminate is fixed may have adhesive properties.
- the adhesive property may be made of a material having adhesive properties on the surface of the stage or the tray, or may be imparted using an adhesive layer or an adhesive tape.
- the contents of FIG. 4 may be applied except that the apparatus or tray is used instead of the carrier film.
- Another embodiment of the present application is an encapsulation layer, and two or more pattern units including an adhesive layer provided on one side of the encapsulation layer and spaced apart from each other; A protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of the two or more pattern units; And removing the protective film from the laminate for encapsulation, the carrier film being provided on the encapsulation layer side of the pattern unit and including all of the encapsulation layers of the two or more pattern units. And bonding an organic light emitting device including a substrate and two or more organic light emitting units provided on the substrate to the adhesive layer side of the encapsulation laminate such that each pattern unit and each organic light emitting unit correspond to each other. It provides a method of manufacturing. 4 illustrates a method according to the embodiment.
- a method of removing the protective film used in a general film process can be used.
- a method of using an adhesive tape and a method of removing by using a sticky roller may be used.
- Align checks the marks or patterns on the substrate and the encapsulation film with a CCD camera, and then shifts them to position them.
- the method used may be used, and in general, a method used in a TFT or OLED process requiring alignment may be used.
- the present application uses a single continuous protective film, there is an advantage that the alignment process is not required compared to the prior art illustrated in FIG. However, alignment is not necessary for each organic light emitting unit, but alignment is required for the entire substrate, for example, the glass substrate unit. In order to remove the protective film smoothly, it is preferable that the protective film has less adhesive strength than that of the carrier film to the laminate.
- the bonding of the encapsulation laminate and the organic light emitting device may be performed so that each pattern unit of the encapsulation laminate covers each organic light emitting unit.
- the adhesive layer and the encapsulation layer are covered not only on the upper surface of the organic light emitting unit but also on the side surface, the organic light emitting unit can be protected from external environment such as moisture or oxygen.
- the width of each pattern unit of the encapsulation laminate may be designed to be equal to or larger than the width of each organic light emitting unit.
- the width of the encapsulation layer included in the pattern unit may be designed to be equal to or larger than the width of the adhesive layer.
- the difference in width is too large, the relative area of the organic light emitting unit is reduced, so that the difference in width may be determined in consideration of the emission area and the emission efficiency of the display or the lighting device.
- the bonding of the encapsulation laminate and the organic light emitting device may be performed in a roll to roll process.
- the method of manufacturing the organic light emitting device further includes removing the carrier film when the encapsulation laminate includes a carrier film.
- the carrier film removal process may also be performed in a roll process.
- Another embodiment of the present application is an encapsulation film; An adhesive film provided on one surface of the encapsulation film; And it provides a laminate for sealing comprising a protective film provided on the opposite side of the surface provided with the sealing film of the adhesive film.
- This is a laminate produced according to the method of the embodiment described with reference to FIGS. 1 and 2 above. 6 illustrates a laminated structure of the sealing laminate.
- the laminate is not only useful for use in a later process, but also the encapsulation laminate is easy to transport or store, and thus may be commercially available.
- the contents described in the above-described manufacturing method may be applied to the encapsulation laminate.
- the encapsulation laminate has a shape wound in a roll shape.
- FIG. 7 Another embodiment of the present application is an encapsulation layer, and two or more pattern units including an adhesive layer provided on one side of the encapsulation layer and spaced apart from each other; And a protective film provided on the adhesive layer side of the pattern unit and covering all the adhesive layers of the two or more pattern units.
- the lamination structure of such a sealing laminate is illustrated in FIG. 7.
- the encapsulation laminate may further include an additional polymer layer provided on the encapsulation layer side of the pattern unit (FIG. 8).
- the encapsulation laminate may further include a carrier film provided on the encapsulation layer side of the pattern unit and covering all of the encapsulation layers of two or more pattern units (FIGS. 9 and 10). This is a laminate produced according to the method of the embodiment described with reference to FIG.
- the laminate is not only useful for use in a later process, but also the encapsulation laminate is easy to transport or store, and thus may be commercially available.
- the contents described in the above-described manufacturing method may be applied to the encapsulation laminate.
- the encapsulation laminate has a shape wound in a roll shape.
- Another embodiment of the present application is an encapsulation layer; And at least two pattern units including an adhesive layer provided on one surface of the encapsulation layer and spaced apart from each other;
- An organic light emitting device provided on an adhesive layer side of the pattern unit, wherein the organic light emitting device comprises a substrate and at least two organic light emitting units provided on the substrate, each organic light emitting unit is provided to correspond to each of the pattern unit It will be an organic light emitting device; And a carrier film provided on an encapsulation layer side of the pattern unit and covering all of the encapsulation layers of two or more pattern units.
- This is an organic light emitting device manufactured according to the method of the embodiment described with reference to FIG.
- the organic light emitting device has a structure in which the carrier film is not removed in FIG. 4.
- the contents described in the above-described manufacturing method may be applied to the organic light emitting device.
- the encapsulation laminate has a shape wound in a roll shape. 11 and 12 illustrate the structure of the organic light emitting device.
- Another embodiment of the present application is an encapsulation layer; And at least two pattern units including an adhesive layer provided on one surface of the encapsulation layer and spaced apart from each other. And an organic light emitting element provided on an adhesive layer side of the pattern unit, wherein the organic light emitting element includes a substrate and two or more organic light emitting units provided on the substrate, and each organic light emitting unit is provided to correspond to each of the pattern units. It provides an organic light emitting device comprising an organic light emitting device. This is an organic light emitting device manufactured by using a device or a tray having a adhesive stage for removing the carrier film from the organic light emitting device manufactured according to the method of the embodiment described with reference to FIG. 4 or bonding with the organic light emitting unit. 13 and 14 illustrate the structure of the organic light emitting device. The contents described in the above-described manufacturing method may be applied to the organic light emitting device.
- the organic light emitting unit includes a first electrode adjacent to the substrate, a second electrode provided to face the first electrode, and at least one organic layer provided between the first electrode and the second electrode. Include.
- the first electrode and the second electrode are an anode and a cathode, respectively, or a cathode and an anode, respectively.
- the anode may also be formed of a transparent conductive oxide.
- the transparent conductive oxide may be formed of indium (In), tin (Sn), zinc (Zn), gallium (Ga), cerium (Ce), cadmium (Cd), magnesium (Mg), beryllium (Be), and silver (Ag). ), Molybdenum (Mo), vanadium (V), copper (Cu), iridium (Ir), rhodium (Rh), ruthenium (Ru), tungsten (W), cobalt (Co), nickel (Ni), manganese ( Mn), at least one oxide selected from aluminum (Al), and lanthanum (La).
- the anode is sputtering, e-beam evaporation, thermal evaporation, laser molecular beam epitaxy (L-MBE), and pulsed laser deposition (Pulsed Laser Deposition).
- PLD any one of the physical vapor deposition method (Physical Vapor Deposition, PVD); Thermal Chemical Vapor Deposition, Plasma-Enhanced Chemical Vapor Deposition (PECVD), Light Chemical Vapor Deposition, Laser Chemical Vapor Deposition, Metal- Chemical Vapor Deposition selected from any one of an Organic Chemical Vapor Deposition (MOCVD) and a Hydride Vapor Phase Epitaxy (HVPE);
- the layer may be formed using atomic layer deposition (ALD).
- auxiliary electrode may be further included to improve resistance of the anode.
- the auxiliary electrode may be formed of at least one selected from the group consisting of a conductive sealant and a metal using a deposition process or a printing process. More specifically, the auxiliary electrode may include Cr, Mo, Al, Cu, alloys thereof, and the like, but is not limited thereto.
- An insulating layer may be further included on the auxiliary electrode.
- the insulating layer may be formed using materials and methods known in the art. More specifically, common photoresist materials; Polyimide; Polyacrylic; Silicon nitride; Silicon oxide; Aluminum oxide; Aluminum nitride; Alkali metal oxides; It may be formed using an alkaline earth metal oxide or the like, but is not limited thereto.
- the thickness of the insulating layer may be 10 nm to 10 ⁇ m, but is not limited thereto.
- organic material layer is not particularly limited, and materials and formation methods well known in the art may be used.
- the organic layer may be formed into a smaller number of layers by using a variety of polymer materials, but not by a deposition process such as spin coating, dip coating, doctor blading, screen printing, inkjet printing or thermal transfer. It can manufacture.
- the organic material layer may include a light emitting layer, and may have a stacked structure including at least one selected from a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer.
- the hole injection material As a material capable of forming the hole injection layer, a material having a large work function is usually preferred to facilitate hole injection into the organic material layer.
- the hole injection material include metals such as vanadium, chromium, copper, zinc and gold or alloys thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); Combinations of metals and oxides, such as ZnO: Al or SnO2: Sb; Conductive polymers such as poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDT), polypyrrole and polyaniline, and the like, but are not limited thereto.
- the material capable of forming the electron injection layer a material having a small work function is usually preferred to facilitate electron injection into the organic material layer.
- the electron injection material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, and lead or alloys thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, and the like, and the same material as the hole injection electrode material may be used, but is not limited thereto.
- a material capable of forming the light emitting layer a material capable of emitting light in the visible region by transporting and combining holes and electrons from the hole transporting layer and the electron transporting layer, respectively, is preferably a material having good quantum efficiency with respect to fluorescence or phosphorescence.
- Specific examples include 8-hydroxyquinoline aluminum complex (Alq 3); Carbazole series compounds; Dimerized styryl compounds; BAlq; 10-hydroxybenzoquinoline-metal compound; Benzoxazole, benzthiazole and benzimidazole series compounds; Poly (p-phenylenevinylene) (PPV) -based polymers; Spiro compounds; Polyfluorene, rubrene; Phosphorescent host CBP [[4,4'-bis (9-carbazolyl) biphenyl]; Etc., but is not limited thereto.
- Alq 3 8-hydroxyquinoline aluminum complex
- Carbazole series compounds Dimerized styryl compounds
- BAlq 10-hydroxybenzoquinoline-metal compound
- Benzoxazole, benzthiazole and benzimidazole series compounds Poly (p-phenylenevinylene) (PPV) -based polymers
- Spiro compounds Polyfluorene, rubrene
- the light emitting material may further include a phosphorescent dopant or a fluorescent dopant to improve fluorescence or phosphorescent properties.
- a phosphorescent dopant include ir (ppy) (3) (fac tris (2-phenylpyridine) iridium) or F2Irpic [iridium (III) bis (4,6-di-fluorophenyl-pyridinato-N, C2) picolinate] Etc.
- the fluorescent dopant those known in the art may be used.
- a material capable of injecting electrons well from the electron injection layer and transferring the electrons to the light emitting layer is suitable.
- Specific examples include Al complexes of 8-hydroxyquinoline; Complexes including Alq3; Organic radical compounds; Hydroxyflavone-metal complexes and the like, but are not limited thereto.
- the cathode may include one or more of Al, Ag, Ca, Mg, Au, Mo, Ir, Cr, Ti, Pd, alloys thereof, and the like, but is not limited thereto.
- the anode and the cathode may be formed of the same material. Both the anode and the cathode can be formed of a transparent material.
- the organic light emitting unit further comprises a light scattering layer provided between the substrate and the first electrode.
- the light scattering layer may include a flat layer.
- the light scattering layer is not particularly limited as long as it can induce light scattering to improve the internal light extraction efficiency of the device.
- the light scattering layer may include a region having a refractive index of 1.7 or more, specifically, a refractive index of 1.7 to 3.0.
- a material having a refractive index of 1.7 or more in the light scattering layer By including a material having a refractive index of 1.7 or more in the light scattering layer, a light scattering effect due to a difference in refractive index with another region having a relatively low refractive index can be obtained.
- the light scattering layer may have a structure in which scattering particles are dispersed in a binder.
- the binder may have a higher refractive index than the scattering particles and may induce light scattering due to a difference in refractive index at an interface between the binder and the scattering particles.
- the binder may have a refractive index of 1.7 or more, or 1.7 to 3.0.
- the light scattering layer includes scattering particles and a binder, the scattering layer is formed on the opposite side of the surface in contact with the substrate irregularities by the scattering particles; And a flat layer formed on the scattering layer to planarize surface curvature due to the uneven structure of the scattering layer.
- the light scattering layer may increase the internal light extraction efficiency by forming a large refractive index difference between the scattering particles and the flat layer.
- the flat layer may have a higher refractive index than scattering particles.
- the flat layer may have a refractive index of 1.7 or more, or 1.7 to 3.0.
- the light scattering layer is a binder layer formed on the substrate to form an uneven structure; And a flat layer formed on the binder layer to form a flat surface.
- the refractive index of the flat layer may be 1.7 or more, or 1.7 to 3.0.
- the scattering particles may be spherical, ellipsoidal, or amorphous, preferably spherical or ellipsoidal.
- An average diameter of the scattering particles may be 100 to 300 nm, specifically 150 to 200 nm.
- the scattering particles are not particularly limited as long as they can scatter light using a refractive index difference from a binder to a flat layer, for example, air, silicon, silica, glass, titanium oxide, magnesium fluoride, zirconium oxide, alumina, 1 selected from the group consisting of cerium oxide, hafnium oxide, niobium pentoxide, tantalum pentoxide, indium oxide, tin oxide, indium tin oxide, zinc oxide, silicon, zinc sulfate, calcium carbonate, barium sulfate, silicon nitride and aluminum nitride It may be more than one species. As one example, the scattering particles may be titanium dioxide.
- the binder is not particularly limited and may be an organic, inorganic or organic-inorganic composite binder.
- the binder may be an inorganic or organic-inorganic composite binder.
- Inorganic or organic-inorganic composite binders have better heat resistance and chemical resistance than organic binders, which is advantageous for device performance, particularly lifespan, and do not cause deterioration in high temperature processes, photo processes, and etching processes of 150 ° C.
- the binder may be inorganic or organic based on silicon oxide, silicon nitride, silicon oxynitride, alumina, and siloxane bond (Si-O).
- It may be at least one selected from the group consisting of complexes and the like.
- polycondensation may be performed using siloxane to form an inorganic binder based on [Si-O] bond, or a form of an organic-inorganic complex in which an alkyl group is not completely removed from the siloxane bond may be used.
- Components constituting the flat layer may be selected in the same range as the binder constituting the scattering layer described above. The same component may be used for the binder and the flat layer in the scattering layer, or different components may be used.
- the flat layer may further include a high refractive filler that can increase the refractive index.
- the high refractive filler is not particularly limited as long as it can be dispersed in the light scattering layer to increase the refractive index.
- alumina, aluminum nitride, zirconium oxide, titanium oxide, cerium oxide, hafnium oxide, niobium pentoxide, tantalum pentoxide, and oxidation At least one selected from the group consisting of indium, tin oxide, indium tin oxide, zinc oxide, silicon, zinc sulfate, calcium carbonate, barium sulfate and silicon nitride.
- the high refractive filler may be titanium dioxide.
- the average particle diameter of the high refractive filler may be in the range of 5 to 30nm, specifically, 15 to 25nm. If the particle diameter of the high refractive filler is too small, the effect of increasing the refractive index is insignificant, and in the opposite case, the light transmittance may be reduced.
- the organic light emitting device has a total internal reflection due to the difference in refractive index between the layers constituting the device, thereby deteriorating luminous efficiency and lowering luminance.
- the present invention improves the internal light extraction efficiency by forming a light scattering layer including scattering particles on the substrate.
- the light scattering layer may be formed to be limited to the light emitting region of the device toward the surface on which the device is deposited.
- the light scattering layer may have a structure sealed by a substrate and an anode.
- the light scattering layer is formed to be limited to the light emitting region of the device, or by the substrate and the anode. Since the structure is sealed, it is possible to effectively prevent outside air or moisture from penetrating into the device.
- the organic light emitting device further includes a light scattering layer on a surface opposite to a surface on which the first electrode of the substrate is provided.
- the light scattering layer may have a structure in which scattering particles are dispersed in a binder as described above or a non-flat structure.
- the light scattering layer may be formed directly on the substrate by a spin coating, a bar coating, a slit coating, or the like, or may be formed by attaching the light scattering layer.
- the organic light emitting diode is a flexible organic light emitting diode.
- the substrate comprises a flexible material.
- a glass, plastic or film substrate in the form of a flexible thin film.
- the material of the plastic substrate is not particularly limited, but generally, films such as PET, PEN, PEEK, and PI may be used in the form of a single layer or a multilayer.
- One embodiment of the present specification provides a display device including the organic light emitting device described above.
- the organic light emitting diode may serve as a pixel or a backlight.
- Other configurations of the display device may include those known in the art.
- One embodiment of the present specification provides a lighting device including the organic light emitting device described above.
- the organic light emitting diode serves as a light emitting unit.
- Other configurations required for the lighting device may be applied to those known in the art.
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Abstract
Description
Claims (49)
- 봉지 필름과 접착 필름을 적층하는 단계; 및상기 접착 필름을 보호 필름과 합지하는 단계를 포함하는 봉지용 적층체의 제조방법.
- 청구항 1에 있어서, 상기 봉지 필름과 접착 필름을 적층하는 단계는 봉지 필름 상에 접착 조성물을 코팅한 후 경화하여 접착 필름을 형성하는 단계인 것인 봉지용 적층체의 제조방법.
- 보호 필름과 접착 필름을 적층하는 단계; 및상기 접착 필름을, 봉지 필름과 합지하는 단계를 포함하는 봉지용 적층체의 제조방법.
- 청구항 3에 있어서, 상기 보호 필름과 접착 필름을 적층하는 단계는 보호 필름 상에 접착 조성물을 코팅한 후 경화하여 접착 필름을 형성하는 단계인 것인 봉지용 적층체의 제조방법.
- 청구항 1 내지 4 중 어느 하나의 항에 있어서, 상기 봉지 필름은 무기물 필름이나, 지지층 및 상기 지지층 상에 구비된 2 이상의 무기물 패턴을 포함하는 무기물 패턴 필름이나, 유기물 필름이나, 유기물층과 무기물층이 교대로 적층된 적층 구조의 필름인 것인 봉지용 적층체의 제조방법.
- 청구항 1 내지 4 중 어느 하나의 항에 있어서, 상기 봉지 필름은 금속 호일이나, 절연층 및 상기 절연층의 적어도 일면에 구비된 2 이상의 금속 패턴을 포함하는 금속 클레드 필름인 것인 봉지용 적층체의 제조방법.
- 청구항 1 내지 4 중 어느 하나의 항에 있어서, 상기 봉지용 적층체를 롤형으로 권취하는 단계를 더 포함하는 봉지용 적층체의 제조방법.
- 청구항 1 내지 4 중 어느 하나의 항에 있어서, 상기 봉지용 적층체의 봉지 필름의 접착 필름과 접하는 면의 반대면에 고분자층을 포함하는 단계를 더 봉지용 적층체의 제조방법.
- 봉지 필름, 상기 봉지 필름의 어느 한 면에 구비된 접착 필름, 및 상기 접착 필름의 상기 봉지 필름이 구비된 면의 반대면에 구비된 보호 필름을 포함하는 봉지용 적층체 중 상기 보호 필름의 절단 없이, 상기 봉지 필름과 상기 접착 필름을 필름의 두께방향으로 절단함으로써, 봉지층 및 상기 봉지층의 어느 한 면에 구비된 접착층을 포함하는 2 이상의 패턴 유닛을 형성하는 단계; 및상기 패턴 유닛들이 서로 이격되도록 상기 패턴 유닛들 사이의 사이드 필름을 제거하는 단계를 포함하는 봉지용 적층체의 제조방법.
- 청구항 9에 있어서, 상기 봉지용 적층체의 제조방법은 상기 패턴 유닛들의 봉지층이 구비된 측에 2 이상의 패턴 유닛들의 봉지층을 모두 덮도록 캐리어 필름을 부착하는 단계를 더 포함하는 봉지용 적층체의 제조방법.
- 청구항 9 또는 10에 있어서, 상기 캐리어 필름의 부착 후, 상기 패턴 유닛의 개수가 유기발광소자를 포함하는 장치 내에 포함되는 유기발광소자의 개수와 동일한 개수가 되도록 재단하는 단계를 더 포함하는 봉지용 적층체의 제조방법.
- 청구항 9 또는 10에 있어서, 상기 봉지 필름은 무기물 필름이나, 지지층 및 상기 지지층 상에 구비된 2 이상의 무기물 패턴을 포함하는 무기물 패턴 필름이나, 유기물 필름이나, 유기물층과 무기물층이 교대로 적층된 적층 구조의 필름인 것인 봉지용 적층체의 제조방법.
- 청구항 12에 있어서, 상기 봉지 필름은 금속 호일이나, 절연층 및 상기 절연층의 적어도 일면에 구비된 2 이상의 금속 패턴을 포함하는 금속 클레드 필름인 것인 봉지용 적층체의 제조방법.
- 청구항 9 또는 10에 있어서, 상기 봉지용 적층체는 봉지 필름의 접착 필름과 접하는 면의 반대면에 구비된 고분자층을 포함하고, 상기 고분자층이 상기 봉지 필름과 상기 접착 필름과 함께 필름의 두께방향으로 절단되는 것인 봉지용 적층체의 제조방법.
- 봉지층, 및 상기 봉지층의 어느 한 면에 구비된 접착층을 포함하고 서로 이격 배치된 2 이상의 패턴 유닛; 상기 패턴 유닛의 접착층 측에 구비되고 2 이상의 패턴 유닛들의 접착층들을 모두 덮는 보호 필름을 포함하는 봉지용 적층체의 상기 패턴 유닛 측을 유기발광유닛과의 합착을 위한 장치의 스테이지 또는 트레이에 고정시킨 상태에서 상기 보호 필름을 제거하는 단계; 및상기 봉지용 적층체의 접착층 측에, 기판 및 상기 기판에 구비된 2 이상의 유기발광유닛을 포함하는 유기발광소자를 각 패턴 유닛과 각 유기발광유닛이 대응하도록 합착하는 단계를 포함하는 유기발광장치의 제조방법.
- 봉지층, 및 상기 봉지층의 어느 한 면에 구비된 접착층을 포함하고 서로 이격 배치된 2 이상의 패턴 유닛; 상기 패턴 유닛의 접착층 측에 구비되고 2 이상의 패턴 유닛들의 접착층들을 모두 덮는 보호 필름; 및 상기 패턴 유닛의 봉지층 측에 구비되고 2 이상의 패턴 유닛들의 봉지층들을 모두 덮는 캐리어 필름을 포함하는 봉지용 적층체로부터 상기 보호 필름을 제거하는 단계; 및상기 봉지용 적층체의 접착층 측에, 기판 및 상기 기판에 구비된 2 이상의 유기발광유닛을 포함하는 유기발광소자를 각 패턴 유닛과 각 유기발광유닛이 대응하도록 합착하는 단계를 포함하는 유기발광장치의 제조방법.
- 청구항 15 또는 16에 있어서, 상기 봉지용 적층체와 상기 유기발광소자의 합착은 상기 봉지용 적층체의 각 패턴 유닛이 각 유기발광유닛을 덮도록 수행되는 것인 유기발광장치의 제조방법.
- 청구항 16에 있어서, 상기 봉지용 적층체로부터 상기 캐리어 필름을 제거하는 단계를 더 포함하는 것인 유기발광장치의 제조방법.
- 청구항 15 또는 16에 있어서, 상기 패턴 유닛은 상기 봉지층의 접착층과 접하는 면의 반대면에 구비된 고분자층을 더 포함하는 것인 유기발광장치의 제조방법.
- 봉지 필름;상기 봉지 필름의 어느 한 면에 구비된 접착 필름; 및상기 접착 필름의 상기 봉지 필름이 구비된 면의 반대면에 구비된 보호 필름을 포함하는 봉지용 적층체.
- 청구항 20에 있어서, 상기 봉지용 적층체는 롤형으로 권취된 것인 적층체.
- 청구항 20에 있어서, 상기 봉지용 적층체는 상기 봉지 필름의 상기 접착 필름과 접하는 면의 반대면에 구비된 고분자층을 더 포함하는 것인 봉지용 적층체.
- 청구항 20에 있어서, 상기 봉지 필름은 금속 호일이나, 절연층 및 상기 절연층의 적어도 일면에 구비된 2 이상의 금속 패턴을 포함하는 금속 클레드 필름인 것인 적층체.
- 청구항 23에 있어서, 상기 각 금속 패턴은 1개의 유기발광유닛를 덮는 금속 실링 패턴 및 1개의 유기발광유닛에서 전극을 외부전원에 연결하기 위한 인쇄회로패턴을 인쇄회로패턴을 포함하는 것인 적층체.
- 청구항 20에 있어서, 상기 접착 필름은 실링 재료를 포함하는 것인 적층체.
- 봉지층, 및 상기 봉지층의 어느 한 면에 구비된 접착층을 포함하고 서로 이격 배치된 2 이상의 패턴 유닛; 및상기 패턴 유닛의 접착층 측에 구비되고 2 이상의 패턴 유닛들의 접착층들을 모두 덮는 보호 필름을 포함하는 봉지용 적층체.
- 청구항 26에 있어서, 상기 봉지용 적층체는 상기 패턴 유닛의 봉지층 측에 구비되고 2 이상의 패턴 유닛들의 봉지층들을 모두 덮는 캐리어 필름을 더 포함하는 것인 봉지용 적층체.
- 청구항 26 또는 27에 있어서, 상기 봉지용 적층체는 롤형으로 권취된 것인 봉지용 적층체.
- 청구항 26 또는 27에 있어서, 상기 패턴 유닛은 상기 봉지층의 상기 접착층에 접하는 면의 반대면에 구비된 고분자층을 더 포함하는 것인 봉지용 적층체.
- 청구항 26 또는 27에 있어서, 상기 봉지층은 금속 호일층이나, 절연층 및 상기 절연층의 적어도 일면에 구비된 금속 패턴을 포함하는 금속 클레드층인 것인 적층체.
- 청구항 30에 있어서, 상기 각 금속 패턴 각각은 1개의 유기발광유닛을 덮는 금속 실링 패턴 및 1개의 유기발광유닛에서 전극을 외부전원에 연결하기 위한 인쇄회로패턴을 포함하는 것인 적층체.
- 청구항 26 또는 27에 있어서, 상기 접착층은 실링 재료를 포함하는 것인 적층체.
- 봉지층; 및 상기 봉지층의 어느 한 면에 구비된 접착층을 포함하고 서로 이격 배치된 패턴 유닛 2 이상;상기 패턴 유닛의 접착층 측에 구비된 유기발광소자로서, 상기 유기발광소자는 기판 및 상기 기판에 구비된 2 이상의 유기발광유닛을 포함하고, 상기 각 유기발광유닛은 상기 패턴 유닛 각각에 대응되도록 구비된 것인 유기발광소자; 및상기 패턴 유닛의 봉지층 측에 구비되고, 2 이상의 패턴 유닛들의 봉지층들을 모두 덮는 캐리어 필름을 포함하는 유기발광장치.
- 청구항 33에 있어서, 상기 봉지층은 무기물층이나, 지지층 및 상기 지지층 상에 구비된 무기물 패턴을 포함하는 무기물 패턴층이나, 유기물층이나, 유기물층과 무기물층이 교대로 적층된 적층 구조인 것인 유기발광장치.
- 청구항 33에 있어서, 상기 봉지층은 금속 호일층이나, 절연층 및 상기 절연층의 적어도 일면에 구비된 금속 패턴을 포함하는 금속 클레드층인 것인 유기발광장치.
- 청구항 35에 있어서, 상기 각 금속 패턴 각각은 1개의 유기발광유닛읖 덮는 금속 실링 패턴 및1개의 유기발광유닛에서 전극을 외부전원에 연결하기 위한 인쇄회로패턴을 포함하는 것인 유기발광장치.
- 청구항 33에 있어서, 상기 접착층은 실링 재료를 포함하는 것인 유기발광장치.
- 봉지층; 및 상기 봉지층의 어느 한 면에 구비된 접착층을 포함하고 서로 이격 배치된 패턴 유닛 2 이상; 및상기 패턴 유닛의 접착층 측에 구비된 유기발광소자로서, 상기 유기발광소자는 기판 및 상기 기판에 구비된 2 이상의 유기발광유닛을 포함하고, 상기 각 유기발광유닛은 상기 패턴 유닛 각각에 대응되도록 구비된 것인 유기발광소자를 포함하는 유기발광장치.
- 청구항 38에 있어서, 상기 봉지층은 무기물층이나, 지지층 및 상기 지지층 상에 구비된 무기물 패턴을 포함하는 무기물 패턴층이나, 유기물층이나, 유기물층과 무기물층이 교대로 적층된 적층 구조인 것인 유기발광장치.
- 청구항 38에 있어서, 상기 봉지층은 금속 호일층이나, 절연층 및 상기 절연층의 적어도 일면에 구비된 금속 패턴을 포함하는 금속 클레드층인 것인 유기발광장치.
- 청구항 40에 있어서, 상기 각 금속 패턴 각각은 1개의 유기발광유닛을 덮는 금속 실링 패턴 및1개의 유기발광유닛에서 전극을 외부전원에 연결하기 위한 인쇄회로패턴을 포함하는 것인 유기발광장치.
- 청구항 38에 있어서, 상기 접착층은 실링 재료를 포함하는 것인 유기발광장치.
- 청구항 33 또는 38에 있어서, 상기 유기발광유닛은 상기 기판에 인접한 제1 전극, 상기 제1 전극에 대향하여 구비된 제2 전극, 상기 제1 전극과 상기 제2 전극 사이에 구비된 1층 이상의 유기물층을 포함하는 것인 유기발광장치.
- 청구항 43에 있어서, 상기 기판과 상기 제1 전극 사이에 구비된 광산란층을 더 포함하는 것인 유기발광장치.
- 청구항 44에 있어서, 상기 광산란층은 평탄층을 포함하는 것인 유기발광장치.
- 청구항 43에 있어서, 상기 기판의 제1 전극이 구비되는 면과 대향하는 면에 광산란층을 더 포함하는 것인 유기발광장치.
- 청구항 33 또는 38에 있어서, 상기 유기발광소자는 플랙시블(flexible) 유기발광소자인 것인 유기발광장치.
- 청구항 33 또는 38에 따른 유기발광장치를 포함하는 디스플레이 장치.
- 청구항 33 또는 38에 따른 유기발광장치를 포함하는 조명장치.
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EP15764126.7A EP3121006B1 (en) | 2014-03-21 | 2015-03-23 | Encapsulating laminated body, organic light-emitting device and production methods for said body and device |
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JP6343026B2 (ja) | 2018-06-13 |
CN106103095B (zh) | 2018-04-10 |
KR20150110424A (ko) | 2015-10-02 |
TW201600327A (zh) | 2016-01-01 |
EP3121006A1 (en) | 2017-01-25 |
TWI652162B (zh) | 2019-03-01 |
CN106103095A (zh) | 2016-11-09 |
US20170222182A1 (en) | 2017-08-03 |
EP3121006A4 (en) | 2018-07-11 |
JP2017510036A (ja) | 2017-04-06 |
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US10177341B2 (en) | 2019-01-08 |
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