WO2013100300A1 - 게터 조성물 및 이를 포함하는 유기 el 디스플레이 장치 - Google Patents
게터 조성물 및 이를 포함하는 유기 el 디스플레이 장치 Download PDFInfo
- Publication number
- WO2013100300A1 WO2013100300A1 PCT/KR2012/006124 KR2012006124W WO2013100300A1 WO 2013100300 A1 WO2013100300 A1 WO 2013100300A1 KR 2012006124 W KR2012006124 W KR 2012006124W WO 2013100300 A1 WO2013100300 A1 WO 2013100300A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- getter composition
- composition
- getter
- carboxylic acid
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28011—Other properties, e.g. density, crush strength
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
-
- 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
- H10K50/846—Passivation; Containers; Encapsulations comprising getter material or desiccants
-
- 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
- H10K59/874—Passivation; Containers; Encapsulations including getter material or desiccant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/442—Block-or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
Definitions
- the present invention relates to a getter composition and an organic EL display device including the same. More specifically, the present invention has high dimensional stability at high moisture absorption rate, high moisture absorption and high temperature and high humidity, can control the fluidity in the dispensing and vacuum compression process, it is dark when applied to organic devices Provided are a getter composition and a display device including the same, which are capable of providing an organic device having high reliability at high temperature and high humidity without generating dark spots.
- Flat panel or thin displays such as plasma display panels, liquid crystal displays, inorganic light emitting diodes, field emission displays, and organic electroluminescent devices, may deteriorate device characteristics due to moisture penetrating from the outside. Therefore, the getter needs to be mounted in the display in order to absorb moisture that penetrates the sealant before reaching the organic device and prevent corrosion such as dark spots. Therefore, in order to use as a getter, the moisture absorption amount and the moisture absorption rate must be high.
- the getter is applied through a dispensing process, and a liquid sealant or a solid encapsulation sheet is applied to the outside thereof, followed by vacuum lamination and UV or thermal curing. It is mounted by curing.
- the getter In the dispensing process, the getter must be applied on the substrate to a certain thickness without breaking the line.
- the getter since the process is performed under reduced pressure, the getter should not be applied to the surface of the device after the getter is applied and should not be sucked into the device by the negative pressure. In addition, dark spots should not occur due to the volatile substances included in the getter during curing.
- the silicone copolymer used as a getter has a phenomenon in which the copolymer is sucked into the device during dispensing and vacuum compression due to low viscosity and low surface tension, and a dark spot occurs after thermal curing.
- Another object of the present invention is to provide a getter composition which can control the fluidity in the dispensing and vacuum pressing process.
- Still another object of the present invention is to provide a getter composition which does not generate dark spots when applied to an organic device and can provide a highly reliable organic device at high temperature and high humidity.
- Another object of the present invention is to provide an organic EL display device comprising the above getter composition.
- the getter composition of one aspect of the present invention may include a silicone copolymer and a hygroscopic agent having at least one functional group selected from the group consisting of carboxylic acid groups and polyalkylene oxide groups.
- a display device may include the getter composition.
- the present invention provides a getter composition having high moisture absorption, fast moisture absorption rate and high dimensional stability at high temperature and high humidity.
- the present invention provides a getter composition capable of controlling fluidity in dispensing and vacuum compression processes.
- the present invention provides a getter composition which does not generate dark spots when applied to an organic device and can provide a highly reliable organic device at high temperature and high humidity.
- the present invention provides an organic EL display device comprising the getter composition.
- the getter composition of one aspect of the present invention may have a moisture absorption rate of about 10% or more represented by the following Equation 1. Within this range, it can be used as a getter composition in an organic EL display device to provide a fast moisture absorption rate and a high moisture absorption amount. Preferably, the moisture absorption rate may be about 11-20%, more preferably about 16-18%.
- A is the initial weight of the getter composition
- B is the weight of the getter composition measured after storing the getter composition for 500 days at 25 °C and 60% relative humidity).
- the getter composition may be a non-curable composition.
- Existing getter compositions involve thermosetting when applied to organic EL devices.
- the conventional getter composition has a problem that dark spots are generated by volatile materials.
- the getter composition of the present invention is non-curable and does not involve a curing process and therefore does not generate dark spots when applied to organic EL devices.
- the viscosity of the getter composition may be about 5,000 cps-20,000 cps, preferably about 7,000 cps-18,000 cps, more preferably about 10,000 cps-15,000 cps at about 25 ° C.
- the silicone copolymer included in the getter composition may not be sucked into the OLED device during vacuum compression after the dispensing process, and may include a considerable amount of a moisture absorbent, and the problem of discharge in the dispensing process, the thickness of the line And width can be easily adjusted.
- the viscosity can be measured at about 5 rpm at about 25 ° C. with the Brookfield viscometer DV-II +, but is not limited thereto.
- the getter composition is in a liquid state with moderate viscosity at room temperature. Therefore, it does not need to contain the separate organic solvent. As a result, other components except the solid moisture absorbent and the moisture absorbent in the getter composition have good miscibility and can be applied to an organic EL device.
- the getter composition may have a difference h1-ho of a moisture absorption rate measured value (h1) and a moisture absorption rate theoretical value (ho) represented by Equation 2 below about 1% or more. More preferably about 1-4%.
- h1 represents the initial weight of the getter composition A, and the weight of the getter composition measured after storing the getter composition for 500 days at 25 ° C. and 60% relative humidity is B, (BA) / A x 100 (%)ego,
- ho is the amount of moisture absorbed by 1 mol of the moisture absorbent included in the getter composition, the molecular weight of the moisture absorbent D, the content of the moisture absorbent contained in the getter composition In terms of weight percent, (C / D) x E)
- the getter composition may comprise a silicone copolymer and a hygroscopic agent having one or more functional groups selected from the group consisting of carboxylic acid groups and polyalkylene oxide groups.
- the silicone copolymer may have one or more functional groups selected from the group consisting of carboxylic acid groups and polyalkylene oxide groups.
- the silicone copolymer may comprise carboxylic acid groups alone, polyalkylene oxide groups alone, or both carboxylic acid groups and polyalkylene oxide groups.
- the 'polyalkylene oxide group' may include a 'polyalkylene oxide group or a derivative thereof'.
- the silicone copolymer may comprise a polysiloxane having one or more functional groups selected from the group consisting of carboxylic acid groups and polyalkylene oxide groups.
- the carboxylic acid group and the polyalkylene oxide group may be introduced at the side chain or the end of the silicone copolymer. Preferably, it may be introduced into the side chain of the silicone copolymer. When introduced into the side chain, it may have high dimensional stability at high moisture absorption rate, high moisture absorption, high temperature and high humidity, and may have a high effect of controlling fluidity in the dispensing and vacuum pressing process.
- the silicone copolymer may have a structure of Formula 1, but is not limited thereto:
- R 1 to R 6 are the same or different, hydrogen, hydroxyl group, carboxylic acid group, polyalkylene oxide group, C1-C6 alkyl group, C2-C6 alkenyl group, C5-C10 cycloalkyl group, C5-C10 Is selected from a cycloalkenyl group, a C6-C20 aryl group, or a C7-C20 aralkyl group,
- R 7 to R 10 are the same or different and are hydrogen; Hydroxyl group; Carboxylic acid groups; Polyalkylene oxide groups; C1-C6 alkyl group; C2-C6 alkenyl group; C5-C10 cycloalkyl group; C5-C10 cycloalkenyl group; C6-C20 aryl group; Aralkyl groups of C7-C20; C1-C6 alkyl group, C2-C6 alkenyl group, C5-C10 cycloalkyl group, C5-C10 cycloalkenyl group, C6-C20 aryl group or C7- having at least one of a carboxylic acid group and a polyalkylene oxide group Aralkyl group of C20; Or a functional group of the formula (2),
- R 20 to R 28 are the same or different, hydrogen, hydroxyl group, carboxylic acid group, polyalkylene oxide group, C1-C6 alkyl group, C2-C6 alkenyl group, C5-C10 cycloalkyl group, C5-C10 Selected from a cycloalkenyl group, a C6-C20 aryl group, a C7-C20 aralkyl group,
- R 29 to R 32 are the same or different and are hydrogen; Hydroxyl group; Carboxylic acid groups; Polyalkylene oxide groups; C1-C6 alkyl group; C2-C6 alkenyl group; C5-C10 cycloalkyl group; C5-C10 cycloalkenyl group; C6-C20 aryl group; Aralkyl groups of C7-C20; Or C1-C6 alkyl group, C2-C6 alkenyl group, C5-C10 cycloalkyl group, C5-C10 cycloalkenyl group, C6-C20 aryl group or C7 having at least one of carboxylic acid group and polyalkylene oxide group -C20 aralkyl group,
- n 0 to 1000
- m 0 to 1000, except that n and m are both 0,
- t is from 1 to 1000
- u is from 0 to 500
- v is from 0 to 500, except that both u and v are 0,
- At least one of R 7 to R 10 is a carboxylic acid group; Polyalkylene oxide groups; C1-C6 alkyl group, C2-C6 alkenyl group, C5-C10 cycloalkyl group, C5-C10 cycloalkenyl group, C6-C20 aryl group, C7- having at least one of a carboxylic acid group and a polyalkylene oxide group Aralkyl group of C20; Or an alkyl group of C 1 -C 6, an alkenyl group of C 2 -C 6, or a C 5 -C 10 group wherein at least one of R 29 to R 32 has at least one of a carboxylic acid group, a polyalkylene oxide group, or a carboxylic acid group and a polyalkylene oxide group A cycloalkyl group, a C5-C10 cycloalkenyl group, a C6-C20 aryl group, or a C7-C20 aralkyl group;
- the polyalkylene oxide group may be represented by the following formula (3)
- X is hydrogen, hydroxyl, C1-C5 alkyl group or C1-C5 alkoxy group
- the polyalkylene oxide group may be a polyethylene oxide group or a polypropylene oxide group.
- the getter composition may comprise a mixture of a silicone copolymer (A1) comprising a carboxylic acid group and a silicone copolymer (A2) comprising a polyalkylene oxide group.
- A1 + (A2) the weight ratio of (A2) to (A1) may be greater than about 0 and 2 or less, preferably about 0.1 to 1. Within this range, the water absorption rate and the moisture absorption amount improvement effect can be enhanced.
- the mixture of (A1) and (A2) may be included in about 20-90% by weight, preferably 30-80% by weight of the getter composition. Within this range, it is possible to provide high dimensional stability at high moisture absorption rate, high moisture absorption, and high temperature and high humidity.
- the weight average molecular weight of the silicone copolymer may be about 1,000 g / mol or more, preferably about 4,000 g / mol or more, more preferably about 4,000-40,000 g / mol, and most preferably about 7,000-36,000 g / mol. Can be. Within this range, it is possible to provide high dimensional stability at high moisture absorption rate, high moisture absorption, and high temperature and high humidity.
- the viscosity of the silicone copolymer can be about 4,000-6,000 cps at 25 ° C.
- the moisture absorbent content can be increased to the maximum when manufacturing the getter within the above range, and the dispensing process after manufacturing the getter may have an effect of being applied on the substrate with a predetermined thickness without breaking the line.
- the silicone copolymer may be included in about 20-90 weight percent, preferably 30-80 weight percent of the getter composition. Within this range, it is possible to provide high dimensional stability at high moisture absorption rate, high moisture absorption, and high temperature and high humidity.
- Silicone copolymers can be prepared by conventional methods or commercial products can be used.
- the moisture absorbent may be included in the getter composition together with the silicone copolymer to increase the moisture adsorption power of the getter composition.
- the moisture absorbent may be included without limitation as long as it has an excellent water adsorption performance, but may have a specific surface area of about 10 m 2 / g-100 m 2 / g, preferably 40 m 2 / g-100 m 2 / g. Within this range, it is possible to provide high moisture absorption and at the same time provide the appropriate mechanical properties.
- the moisture absorbent may use an average particle diameter of about 5 ⁇ m or less, preferably about 0.1 ⁇ m-3 ⁇ m.
- the organic EL display device may be included between the substrates on which the organic EL elements are deposited to provide a hygroscopic effect.
- the moisture absorbent may be selected from the group consisting of metal oxides, metal halides, inorganic acid salts of metals, organic acid salts of metals, inorganic phosphorus compounds, porous inorganic compounds, and mixtures thereof.
- the moisture absorbent is calcium oxide, magnesium oxide, strontium oxide, aluminum oxide, barium oxide, calcium chloride, potassium carbonate, potassium hydroxide, sodium hydroxide, lithium hydroxide, lithium sulfate, sodium sulfate, calcium sulfate, magnesium sulfate, cobalt sulfate, gallium sulfate, titanium sulfate , Nickel sulfate, phosphorus pentoxide, nickel sulfate, molecular sieves, and mixtures thereof.
- calcium oxide can be used.
- the hygroscopic agent may use the hygroscopic agent itself, but in order to obtain excellent adsorption capacity, a hygroscopic agent calcined at vacuum and high temperature or a calcium hydroxide absorbent may be used. By expanding the specific surface area of a moisture absorbent through a baking process, the moisture absorption rate and moisture absorption amount of a moisture absorbent can be raised.
- the firing treatment may include, but is not limited to, heat treatment of the absorbent at about 200 ° C.-800 ° C. for about 0.5 hour-24 hours under vacuum.
- the hygroscopic agent may be included in about 10-80%, preferably about 9-70%, more preferably about 20-70% by weight of the getter composition. Within this range, it is possible to provide high dimensional stability at high moisture absorption rate, high moisture absorption, and high temperature and high humidity.
- the getter composition may further comprise a silicone copolymer having an epoxy group.
- Epoxy groups can be included in the side chains or ends of the silicone copolymer.
- the silicone copolymer having an epoxy group may be represented by the following Chemical Formula 4, but is not limited thereto.
- R 11 to R 16 are the same or different, hydrogen, hydroxyl group, C1-C6 alkyl group, C2-C6 alkenyl group, C5-C10 cycloalkyl group, C5-C10 cycloalkenyl group, C6-C20 An aryl group or an aralkyl group of C7-C20,
- R 17 and R 18 are the same or different and are hydrogen; Epoxy groups; C1-C6 alkyl group; C2-C6 alkenyl group; C5-C10 cycloalkyl group; C5-C10 cycloalkenyl group; C6-C20 aryl group; Aralkyl groups of C7-C20; Or a C1-C6 alkyl group, a C2-C6 alkenyl group, a C5-C10 cycloalkyl group, a C5-C10 cycloalkenyl group, a C6-C20 aryl group, a C7-C20 aralkyl group having an epoxy group,
- At least one of R 17 and R 18 is an epoxy group; Or an alkyl group of C1-C6, an alkenyl group of C2-C6, a cycloalkyl group of C5-C10, a cycloalkenyl group of C5-C10, or an aralkyl group of C7-C20 having an epoxy group,
- the weight average molecular weight of the silicone copolymer having an epoxy group may be about 4,000-10,000 g / mol. Within this range, it is possible to provide high dimensional stability at high moisture absorption rate, high moisture absorption, and high temperature and high humidity.
- Silicone copolymers having an epoxy group may be included in about 0-30% by weight of the getter composition. In the above range, it is possible to obtain the effect of fluidity control and dimensional stability. Preferably, it may be included in about 1-20% by weight.
- the getter composition may be prepared as a getter slurry by mixing a silicone copolymer and a moisture absorbent.
- the mixing may include a step of stirring the silicone copolymer and the moisture absorbent under a nitrogen atmosphere to prevent the introduction of moisture and oxygen.
- Getter compositions can be used in particular as getters for large displays (eg, including TVs).
- the getter composition may be prepared through the steps of preparing a silicone polymer, preparing a hygroscopic agent, and mixing.
- the silicone polymer may be used after removing residual moisture and volatile components through a heated vacuum or a thin film evaporator.
- An organic EL display device which is another aspect of the present invention may include the getter composition.
- the getter composition can be included in the organic EL display device in a conventional manner.
- the getter can be attached between the substrates constituting the organic EL element and on the side of the organic EL element.
- the first substrate is a substrate on which one or more organic EL elements are formed.
- the first substrate may be made of a material such as transparent glass, plastic sheet, silicon or metal substrate, and may have flexible or non-flexible properties and transparent or non-transparent properties.
- the organic EL element is composed of a transparent electrode, a hole transport layer, an organic EL layer and a back electrode.
- the second substrate may be disposed on the organic EL element, spaced apart from the first substrate, and adhered to the first substrate by the adhesive layer.
- the second substrate not only a glass material substrate but also a substrate having excellent barrier properties such as a plastic sheet on which metal is laminated may be used.
- the display device may include, but is not limited to, a large display device (eg, including a TV).
- VS200 di-vinyl polydimethylsiloxane
- MAA Metal Acrylic acid
- the mixture is reacted at 80 ° C. for 4 hours.
- the final viscosity was adjusted to 6000 cps to produce a silicone copolymer having a molecular weight of 12000 g / mol and having carboxylic acid groups. Residual impurities are removed by washing with toluene and thin film evaporation.
- VQM803 (Hanse Chemie) was used as the VQM silicone polymer (without carboxylic acid groups and polyalkylene oxide groups).
- a getter composition was prepared in the same manner as in Example 1, except that 50 parts by weight of the silicone copolymer (A2) was used instead of the silicone copolymer (A1).
- a getter composition was prepared in the same manner as in Example 1, except that 25 parts by weight of the silicone copolymer (A1) and 25 parts by weight of the silicone copolymer (A2) were used instead of the silicone copolymer (A1).
- a getter composition was prepared in the same manner as in Example 1, except that 25 parts by weight of the silicone copolymer (A1) and 25 parts by weight of the silicone copolymer (A3) were used instead of the silicone copolymer (A1).
- Example 1-4 The structure of the getter composition of Example 1-4 and Comparative Example 1-3 is as Table 1 below.
- Water moisture absorption rate The initial weight (A) of the getter composition is measured. The weight (B) of the getter composition measured after storing the getter composition for 500 days at 25 ° C. and 60% relative humidity. The moisture absorption rate is calculated from the above formula 1.
- the moisture absorption rate measured value is calculated according to the method (1) above.
- the moisture absorption rate theoretical value is computed from said Formula 2.
- Moisture absorption rate The weight (A) of the getter composition is measured. The getter composition is stored for 24 hours at 25 ° C. and 60% relative humidity, and then the weight (C) of the getter composition is measured. The moisture absorption rate is calculated from ((C-A) / A ⁇ 100%) / hour.
- OLED is mounted on the substrate.
- the getter composition contained in the syringe was dispensed at 0.5 MPa pressure by mounting a needle having an inner diameter of ⁇ 0.4 mm, it was checked whether the line of the getter was applied to a predetermined thickness without breaking. Dispensing is smooth and the line does not break after dispensing and maintains a certain width and dispensing ⁇ , Dispensing is good and maintains a certain width, but the liquid does not break well after writing ⁇ in the case of being lost or interrupted in the middle, and ⁇ not to be discharged.
- OLED is mounted on the substrate.
- the liquid sealant (Nagase) is dispensed.
- OLED OLED is mounted on the substrate. Fill the getter composition into a syringe equipped with an internal diameter of ⁇ 0.4 mm needle. Dispensing at a pressure of 0.5 MPa. The liquid sealant (Nagase) is dispensed. Place the flat glass and laminate under 10 -2 torr pressure. After UV curing, the characteristics of the OLEDs were evaluated for the cells that were aged at 100 ° C. for 30 minutes. If the light emission is good without dark spot ⁇ , when the fine dark sport occurs less than 50% by area ratio ⁇ , when the dark sport more than 50% by area ratio is indicated by ⁇ .
- OLED Reliability The OLED composition prepared according to (6) above was stored at 85 ° C. and 85% relative humidity for 500 hours, and then the occurrence of dark spots and the presence or absence of OLED device defects were evaluated. When the light emission is good without the dark spot ⁇ , when only a fine dark spot occurs (the area of the dark spot is less than 50%) ⁇ , if the area of the dark spot is more than 50% is indicated by ⁇ .
- the getter composition of the present invention has high dimensional stability at high moisture absorption rate, high moisture absorption, high temperature and high humidity, can control the fluidity in the dispensing and vacuum compression process, The application does not produce dark spots and can provide a reliable OLED at high temperature and high humidity.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Drying Of Gases (AREA)
Description
| 실시예 | 비교예 | |||||||
| 1 | 2 | 3 | 4 | 1 | 2 | 3 | ||
| 실리콘 공중합체 | (A1) | 50 | - | 25 | 25 | - | - | - |
| (A2) | - | 50 | 25 | - | - | - | - | |
| (A3) | - | - | - | 25 | - | - | - | |
| (a1) | - | - | - | - | 41 | - | 21 | |
| (a2) | - | - | - | - | 9 | 9 | 9 | |
| (a3) | - | - | - | - | - | 41 | 20 | |
| 흡습제 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | |
| 촉매 | - | - | - | - | 200ppm | 200ppm | 200ppm | |
| 점도(25℃, cps) | 15000 | 14000 | 10000 | 13000 | 13000 | 16000 | 14000 | |
| 실시예 | 비교예 | ||||||
| 1 | 2 | 3 | 4 | 1 | 2 | 3 | |
| 수분 흡습율 측정값(%) | 18 | 17 | 17.3 | 17.2 | 9.7 | 11.2 | 10.8 |
| 수분 흡습율 이론값(%) | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| 수분흡습율 측정값과 수분흡습율 이론값의 차이(%) | 2 | 1 | 1.3 | 1.2 | -6.3 | -4.8 | -5.2 |
| 흡습 속도(%/시간) | 0.4 | 0.6 | 0.5 | 0.5 | 0.05 | 0.1 | 0.08 |
| 디스펜싱 | ○ | ○ | ◎ | ○ | ○ | ○ | ○ |
| 진공압착 | ○ | ○ | ○ | ○ | △ | △ | △ |
| 경화 후 OLED | ○ | ○ | ○ | ○ | X | ○ | △ |
| OLED 신뢰성 | ○ | ○ | ○ | ○ | X | △ | X |
Claims (16)
- 카르복시산기 및 폴리알킬렌옥시드기로 이루어진 군으로부터 선택되는 하나 이상의 관능기를 갖는 실리콘 공중합체 및 흡습제를 포함하는 게터(getter) 조성물.
- 제1항에 있어서, 상기 관능기는 상기 실리콘 공중합체의 측쇄(side chain)에 도입되어 있는 게터 조성물.
- 제1항 또는 제2항에 있어서, 상기 실리콘 공중합체의 중량평균분자량은 약 1,000g/mol 이상인 게터 조성물.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 실리콘 공중합체는 하기 화학식 1의 구조를 갖는 게터 조성물:<화학식 1>(상기에서, R1 내지 R6은 동일하거나 다르고, 수소, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기, C7-C20의 아랄킬기로부터 선택되고,R7 내지 R10은 동일하거나 다르고, 수소; 카르복시산기; 폴리알킬렌옥시드기; C1-C6의 알킬기; C2-C6의 알케닐기; C5-C10의 시클로알킬기; C5-C10의 시클로알케닐기; C6-C20의 아릴기; C7-C20의 아랄킬기; 카르복시산기과 폴리알킬렌옥시드기 중 하나 이상을 갖는, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기 또는 C7-C20의 아랄킬기; 또는 하기 화학식 2의 관능기이고,<화학식 2>상기에서, R20 내지 R28은 동일하거나 다르고, 수소, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기, C7-C20의 아랄킬기로부터 선택되고,R29 내지 R32는 동일하거나 다르고, 수소; 카르복시산기; 폴리알킬렌옥시드기; C1-C6의 알킬기; C2-C6의 알케닐기; C5-C10의 시클로알킬기; C5-C10의 시클로알케닐기; C6-C20의 아릴기; C7-C20의 아랄킬기; 또는 카르복시산기과 폴리알킬렌옥시드기 중 하나 이상을 갖는, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기 또는 C7-C20의 아랄킬기이고,t는 1 내지 1000이고, u는 0 내지 500이고, v는 0 내지 500이고, u와 v가 모두 0인 경우는 제외하고,R7 내지 R10 중 하나 이상은 카르복시산기; 폴리알킬렌옥시드기;카르복시산기와 폴리알킬렌옥시드기 중 하나 이상을 갖는 C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기, C7-C20의 아랄킬기; 또는 R29 내지 R32 중 하나 이상이 카르복시산기, 폴리알킬렌옥시드기, 카르복시산기와 폴리알킬렌옥시드기 중 적어도 하나 이상을 갖는, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기, C7-C20의 아랄킬이고,n은 0 내지 1000이고, m은 0 내지 1000이고, n과 m이 모두 0인 경우는 제외한다)
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 조성물은 카르복시산기를 갖는 실리콘 공중합체(A1)와 폴리알킬렌옥시드기를 갖는 실리콘 공중합체(A2)의 혼합물을 포함하는 게터 조성물.
- 제5항에 있어서, 상기 (A1)에 대한 (A2)의 중량비(A2/A1)는 약 0 초과 2 이하인 게터 조성물.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 흡습제의 평균입경은 약 0.1㎛-5㎛인 게터 조성물.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 흡습제는 산화칼슘, 산화마그네슘, 산화스트론튬, 산화알루미늄, 산화바륨, 염화칼슘, 탄산칼륨, 수산화칼륨, 수산화나트륨, 수산화리튬, 황산리튬, 황산나트륨, 황산칼슘, 황산마그네슘, 황산코발트, 황산갈륨, 황산티탄, 황산니켈, 오산화인, 황산니켈, 분자체(molecular sieve) 및 이들의 혼합물로 이루어진 군으로부터 선택되는 게터 조성물.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 조성물 중 상기 실리콘 공중합체는 약 20-90중량% 및 상기 흡습제는 약 10-80중량%로 포함되는 게터 조성물.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 조성물은 에폭시기를 갖는 실리콘 공중합체를 더 포함하는 게터 조성물.
- 제10항에 있어서, 상기 에폭시기를 갖는 실리콘 공중합체는 하기 화학식 4로 표시되는 게터 조성물:<화학식 4>(상기에서, R11 내지 R16은 동일하거나 다르고, 수소, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기, 또는 C7-C20의 아랄킬기로부터 선택되고,R17과 R18은 동일하거나 다르고, 수소; 에폭시기; C1-C6의 알킬기; C2-C6의 알케닐기; C5-C10의 시클로알킬기; C5-C10의 시클로알케닐기; C6-C20의 아릴기; C7-C20의 아랄킬기; 또는 에폭시기를 갖는, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, C6-C20의 아릴기, C7-C20의 아랄킬기이고,R17과 R18중 하나 이상은 에폭시기; 또는 에폭시기를 갖는, C1-C6의 알킬기, C2-C6의 알케닐기, C5-C10의 시클로알킬기, C5-C10의 시클로알케닐기, 또는 C7-C20의 아랄킬기이고,s는 1 내지 1000이다).
- 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 조성물은 비경화형 조성물인 게터 조성물.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 조성물은 하기 식 2로 표시되는 수분 흡습율 측정값(h1)과 수분 흡습률 이론값(ho)의 차이 h1-ho가 약 1% 이상인 게터 조성물:<식 2>(상기에서, h1은 게터 조성물의 초기 무게를 A, 게터 조성물을 25℃, 상대습도 60%에서 500일 동안 보관한 후 측정한 게터 조성물의 무게를 B라고 할 때, (B-A)/A x 100(%)이고,ho는 게터 조성물에 포함된 흡습제 1mol과 물의 100% 반응을 가정하였을 때 게터 조성물에 포함된 흡습제 1mol이 흡수하는 수분의 양을 C, 흡습제의 분자량을 D, 게터 조성물에 포함된 흡습제의 함량을 E중량%라고 할 때, (C/D) x E이다).
- 제1항 내지 제14항 중 어느 한 항에 있어서, 상기 조성물의 점도는 25℃에서 약 5,000cps-20,000cps인 게터 조성물.
- 제1항 내지 제15항 중 어느 한 항의 게터 조성물을 포함하는 디스플레이 장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014549954A JP2015509041A (ja) | 2011-12-28 | 2012-08-01 | ゲッター組成物及びこれを含む有機elディスプレイ装置 |
| US14/367,208 US20150001441A1 (en) | 2011-12-28 | 2012-08-01 | Getter composition, and organic el display device comprising same |
| CN201280064399.9A CN104023838B (zh) | 2011-12-28 | 2012-08-01 | 吸气剂组合物及包含它的有机el显示装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110145265A KR101469267B1 (ko) | 2011-12-28 | 2011-12-28 | 게터 조성물 및 이를 포함하는 유기 el 디스플레이 장치 |
| KR10-2011-0145265 | 2011-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013100300A1 true WO2013100300A1 (ko) | 2013-07-04 |
Family
ID=48697737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2012/006124 Ceased WO2013100300A1 (ko) | 2011-12-28 | 2012-08-01 | 게터 조성물 및 이를 포함하는 유기 el 디스플레이 장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150001441A1 (ko) |
| JP (1) | JP2015509041A (ko) |
| KR (1) | KR101469267B1 (ko) |
| CN (1) | CN104023838B (ko) |
| WO (1) | WO2013100300A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016051700A (ja) * | 2014-08-29 | 2016-04-11 | 積水化学工業株式会社 | 硬化性組成物及び有機エレクトロルミネッセンス表示素子用封止剤 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6718220B2 (ja) * | 2015-11-09 | 2020-07-08 | 積水化学工業株式会社 | 有機エレクトロルミネッセンス表示素子用封止剤 |
| JP6806490B2 (ja) * | 2016-08-10 | 2021-01-06 | 双葉電子工業株式会社 | 捕水剤及びその製造方法、乾燥剤組成物、封止構造、並びに有機el素子 |
| JP6576392B2 (ja) * | 2017-06-21 | 2019-09-18 | 双葉電子工業株式会社 | 乾燥剤組成物、封止構造、及び有機el素子 |
| TWI762711B (zh) * | 2017-11-07 | 2022-05-01 | 日商双葉電子工業股份有限公司 | 乾燥劑、密封結構體及有機電致發光元件 |
| TWI810310B (zh) | 2018-06-08 | 2023-08-01 | 日商達尼庫股份有限公司 | 液狀吸濕劑及電子機器的製造方法 |
| JP7312153B2 (ja) * | 2020-10-09 | 2023-07-20 | 双葉電子工業株式会社 | 乾燥剤組成物、封止構造体、及び有機el素子 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006241273A (ja) * | 2005-03-02 | 2006-09-14 | Three M Innovative Properties Co | 湿気反応性組成物及び有機el素子 |
| KR20080088606A (ko) * | 2006-01-24 | 2008-10-02 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 접착성 캡슐화 조성물 필름 및 유기 전계발광 소자 |
| JP2009212012A (ja) * | 2008-03-05 | 2009-09-17 | Seiko Epson Corp | 発光装置の製造方法、発光装置および電子機器 |
| KR20110020130A (ko) * | 2009-08-21 | 2011-03-02 | 코오롱인더스트리 주식회사 | 봉지재용 조성물, 경화물 및 유기발광소자 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934820B2 (ja) * | 1980-07-07 | 1984-08-24 | ト−レ・シリコ−ン株式会社 | 繊維用処理剤 |
| JPH05129080A (ja) * | 1991-11-07 | 1993-05-25 | Konica Corp | 有機薄膜エレクトロルミネツセンス素子 |
| DE69313204T2 (de) * | 1992-06-30 | 1998-03-19 | Dow Corning | Hochfestes, elastomeres Trockungsmittel |
| US6226890B1 (en) * | 2000-04-07 | 2001-05-08 | Eastman Kodak Company | Desiccation of moisture-sensitive electronic devices |
| JP2006088138A (ja) * | 2004-08-27 | 2006-04-06 | Asahi Glass Co Ltd | 捕水材、有機el発光装置及びそれらの製造方法 |
| JP4329740B2 (ja) * | 2004-10-22 | 2009-09-09 | セイコーエプソン株式会社 | 有機エレクトロルミネッセンス装置の製造方法、及び有機エレクトロルミネッセンス装置 |
| JP2006272190A (ja) * | 2005-03-29 | 2006-10-12 | Jsr Corp | 透明吸湿組成物、成形体、並びにフィルム及びその製造方法 |
| JP2007137918A (ja) * | 2005-11-14 | 2007-06-07 | Nihon Micro Coating Co Ltd | 吸湿膜形成用塗料及びその製造方法並びにその使用方法 |
| JPWO2009139292A1 (ja) * | 2008-05-12 | 2011-09-22 | コイズミ照明株式会社 | 有機el発光装置およびその製造方法 |
| JP5616578B2 (ja) * | 2008-10-22 | 2014-10-29 | 東レ・ダウコーニング株式会社 | 非硬化型コーティング用組成物 |
| JP5461024B2 (ja) * | 2009-02-13 | 2014-04-02 | Sdpグローバル株式会社 | 吸収性樹脂粒子、この製造方法、これを含む吸収体及び吸収性物品 |
| WO2011027815A1 (ja) * | 2009-09-04 | 2011-03-10 | 株式会社スリーボンド | 有機el素子封止部材 |
| KR20110064670A (ko) * | 2009-12-08 | 2011-06-15 | 삼성모바일디스플레이주식회사 | 게터 조성물 및 상기 게터 조성물을 포함하는 유기 발광 장치 |
| US8304369B2 (en) * | 2010-05-07 | 2012-11-06 | Evonik Stockhausen, Llc | Superabsorbent polymer having a capacity increase |
| JP2013253118A (ja) * | 2010-10-01 | 2013-12-19 | Lion Corp | アミノカルボン酸(塩)含有粒子及び粒状洗剤組成物 |
-
2011
- 2011-12-28 KR KR1020110145265A patent/KR101469267B1/ko not_active Expired - Fee Related
-
2012
- 2012-08-01 JP JP2014549954A patent/JP2015509041A/ja active Pending
- 2012-08-01 CN CN201280064399.9A patent/CN104023838B/zh not_active Expired - Fee Related
- 2012-08-01 US US14/367,208 patent/US20150001441A1/en not_active Abandoned
- 2012-08-01 WO PCT/KR2012/006124 patent/WO2013100300A1/ko not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006241273A (ja) * | 2005-03-02 | 2006-09-14 | Three M Innovative Properties Co | 湿気反応性組成物及び有機el素子 |
| KR20080088606A (ko) * | 2006-01-24 | 2008-10-02 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 접착성 캡슐화 조성물 필름 및 유기 전계발광 소자 |
| JP2009212012A (ja) * | 2008-03-05 | 2009-09-17 | Seiko Epson Corp | 発光装置の製造方法、発光装置および電子機器 |
| KR20110020130A (ko) * | 2009-08-21 | 2011-03-02 | 코오롱인더스트리 주식회사 | 봉지재용 조성물, 경화물 및 유기발광소자 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016051700A (ja) * | 2014-08-29 | 2016-04-11 | 積水化学工業株式会社 | 硬化性組成物及び有機エレクトロルミネッセンス表示素子用封止剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150001441A1 (en) | 2015-01-01 |
| CN104023838B (zh) | 2016-03-16 |
| JP2015509041A (ja) | 2015-03-26 |
| KR20130076613A (ko) | 2013-07-08 |
| CN104023838A (zh) | 2014-09-03 |
| KR101469267B1 (ko) | 2014-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013100300A1 (ko) | 게터 조성물 및 이를 포함하는 유기 el 디스플레이 장치 | |
| US7691288B2 (en) | Thick film getter paste compositions with pre-hydrated desiccant for use in atmosphere control | |
| CN1287636C (zh) | 有保护性无机材料封装层的发光装置及该装置的保护方法 | |
| KR101936600B1 (ko) | 유기전자장치용 접착필름 및 이를 포함하는 유기전자장치용 봉지재 | |
| WO2012060621A2 (ko) | 접착 필름 및 이를 이용한 유기전자장치의 봉지 방법 | |
| WO2014021698A1 (ko) | 접착 필름 및 이를 이용한 유기전자장치의 봉지 방법 | |
| WO2015020411A1 (ko) | 점착제 조성물, 점착 필름 및 이를 이용한 유기전자장치의 제조방법 | |
| CN1592508A (zh) | 具有多孔材料层的有机电致发光显示器 | |
| WO2014189291A1 (ko) | 봉지 필름 및 이를 이용한 유기전자장치의 봉지 방법 | |
| WO2016126130A1 (ko) | 점착제 조성물 | |
| CN1992371A (zh) | 有机发光装置及其制造方法 | |
| CN108368398B (zh) | 有机电子器件用黏合膜及包括其的有机电子器件用封装材料 | |
| WO2012015121A1 (ko) | 유기 el 게터용 흡습충전재, 그 제조방법 및 이를 포함하는 유기 el 소자 | |
| WO2012015120A1 (ko) | 흡습입자, 이를 포함하는 유기 el 게터용 조성물 및 이를 이용한 유기 el 소자 | |
| JP2003187962A (ja) | 有機elディスプレイ用対向基板の製造方法および有機elディスプレイの製造方法 | |
| EP2467389A2 (en) | Absorbent and passivation layer for optical element comprising the same | |
| WO2016122230A1 (ko) | 유기 전자 소자 봉지재용 조성물 및 이를 이용하여 형성된 봉지재 | |
| CN1452437A (zh) | 覆盖保护膜的有机电发光显示板的制造方法 | |
| WO2019124924A1 (ko) | 봉지용 조성물 | |
| CN1592514A (zh) | 有机场致发光器件和制造这种器件的方法 | |
| CN1592516A (zh) | 具有多孔材料层的有机电致发光显示器 | |
| WO2012002739A2 (en) | Absorbent and passivation layer for optical element comprising the same | |
| WO2021086007A1 (ko) | 봉지 필름 | |
| KR20180057200A (ko) | 유기전자장치용 접착필름 및 이를 포함하는 유기전자장치용 봉지재 | |
| WO2021137672A1 (ko) | 봉지 필름 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201280064399.9 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12861546 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2014549954 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14367208 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 12861546 Country of ref document: EP Kind code of ref document: A1 |









