WO2014137068A1 - 쉐도우 마스크를 이용한 유기 발광 소자 제조 방법 및 상기 방법으로 제조된 유기 발광 소자 - Google Patents
쉐도우 마스크를 이용한 유기 발광 소자 제조 방법 및 상기 방법으로 제조된 유기 발광 소자 Download PDFInfo
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- WO2014137068A1 WO2014137068A1 PCT/KR2014/000385 KR2014000385W WO2014137068A1 WO 2014137068 A1 WO2014137068 A1 WO 2014137068A1 KR 2014000385 W KR2014000385 W KR 2014000385W WO 2014137068 A1 WO2014137068 A1 WO 2014137068A1
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- lower electrode
- light emitting
- emitting device
- organic light
- shadow mask
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/086—Oxides of zinc, germanium, cadmium, indium, tin, thallium or bismuth
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/584—Non-reactive treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5846—Reactive treatment
- C23C14/5853—Oxidation
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- 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
- H10K50/81—Anodes
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- 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
- H10K50/82—Cathodes
- H10K50/822—Cathodes characterised by their shape
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
Definitions
- the present invention relates to an organic light emitting device and a method of manufacturing the same, and more particularly, to a method of manufacturing an organic light emitting device capable of reducing a leakage current generated in an organic light emitting device manufactured by using a shadow mask and the organic material produced by the method It relates to a light emitting device.
- the organic light emitting device uses an organic material as a light emitting layer, and the electrical characteristics of the device are similar to the electrical properties of the diode, and a plurality of organic material layers are formed between the lower electrode and the upper electrode, and a voltage is applied between the lower electrode and the upper electrode. It is a display using the principle that electrons and holes are injected from a cathode and an anode and recombine in an organic material layer to generate light.
- the organic light emitting diode is a flat panel display because it can be manufactured lightly and thinly because of its wide viewing angle, ultra-fast response, and self-luminescence. Best suited for
- the lower electrode which is formed before the formation of the organic material, which is a light emitting part of the organic light emitting device, has good electrical characteristics, and is uniformly and flatly formed to form a high efficiency organic light emitting device without short circuiting of the device.
- the process of forming the lower electrode and the insulating film is a deposition and etching process, and the organic material layer and the upper electrode process are manufactured by the vacuum process, but the entire manufacturing process of the organic light emitting device is developed using a shadow mask. Simplification of the process is possible.
- the organic light emitting device manufactured by using the recently developed shadow mask has a flat surface of the transparent electrode on the substrate, so that leakage current generation and electrical characteristics of the fabricated organic light emitting device are deteriorated or the device is short-circuited. There is a problem that occurs.
- the present inventors have completed the present invention by developing a technology that can reduce the leakage current through the surface treatment of the lower electrode as a result of research efforts to solve this problem.
- an object of the present invention is to perform a deposition process using a shadow mask, the process time is shortened and the organic light emitting device manufacturing method and the organic material manufactured by the method that can reduce the leakage current and at the same time can be reduced in cost and mass production It is to provide a light emitting device.
- Another object of the present invention is to provide a method for manufacturing an organic light emitting device capable of preventing device short circuit.
- Still another object of the present invention is to provide a method of manufacturing an organic light emitting device in which electrical characteristics are improved.
- the present invention comprises the steps of preparing a substrate; Introducing a shadow mask into the substrate; Depositing a lower electrode layer on the substrate on which the shadow mask is introduced; A planarization step of planarizing the lower electrode layer; Depositing an organic material on the planarized lower electrode layer; And an upper electrode layer deposition step of depositing an upper electrode on the organic material layer.
- the method may further include depositing an insulating layer on the planarized lower electrode layer.
- the planarization step performs one or more of heat treatment and plasma treatment.
- the heat treatment is carried out in the range of 250 ⁇ 400 °C.
- the plasma treatment performs one or more of argon (Ar) plasma treatment and oxygen plasma treatment.
- the insulating film is any one of a polyimide (PI), Al 2 O 3 , SiO 2 and SiNx insulating film.
- the lower electrode layer is an indium tin oxide (ITO) thin film layer.
- ITO indium tin oxide
- the present invention also provides an organic light emitting device manufactured by any one of the above-described methods.
- the present invention has the following effects.
- the present invention can reduce the leakage current while using a shadow mask, so that the characteristics can be reduced and mass production while having similar characteristics to the organic light emitting device manufactured by the prior art.
- the present invention enables the prevention of device short circuit by performing a planarization process on the lower electrode.
- the present invention improves electrical characteristics by performing an insulating film deposition process.
- Figure 2 is a photograph of the AFM image results measured by the surface treatment in the PF POWER condition of the present invention.
- Figure 3 is a photograph of the lower electrode AFM image according to the surface treatment conditions change of the present invention.
- FIG. 4 is an image photograph of an OLED device structure manufactured using a lower electrode subjected to the surface treatment of the present invention.
- 5 is a graph of leakage current measurement results according to changes in surface treatment conditions of the present invention.
- a first technical feature of the present invention is to perform a planarization process of the lower electrode after deposition using a shadow mask, thereby simplifying the process and preventing short circuits and reducing leakage currents.
- the shadow mask used in the present invention is a means of replacing the deposition and etching processes performed to form the existing lower electrode layer and the insulating layer.
- a pattern is formed simultaneously with deposition by applying a shadow mask when forming a lower electrode and an insulating layer pattern of the organic light emitting diode, and then performing a planarization step process of planarizing the surface of the deposited lower electrode layer.
- the electrical characteristics of the light emitting device and the characteristics of the device were improved.
- the organic light emitting device manufacturing method of the present invention comprises the steps of preparing a substrate; Introducing a shadow mask into the substrate; Depositing a lower electrode layer on the substrate on which the shadow mask is introduced; A planarization step of planarizing the lower electrode layer; Depositing an organic material on the planarized lower electrode layer; And an upper electrode layer deposition step of depositing an upper electrode on the organic material layer.
- a transparent substrate made of a glass substrate it is preferable to use any one of a transparent substrate made of a glass substrate, a flexible substrate capable of bending, and a semiconductor substrate.
- an introduction step of introducing a shadow mask to the substrate refers to the step of positioning the shadow mask by maintaining a predetermined distance on the substrate.
- the shadow mask is preferably any one of a mask made of metal or glass, and the shadow mask is patterned on a substrate by introducing a shadow mask made of a desired pattern.
- the lower electrode layer deposition step of depositing the lower electrode on the substrate to which the shadow mask is introduced is to pass through the perforated portion of the shadow mask fabricated in a predetermined pattern so that the inorganic material is deposited on the substrate by a vacuum deposition method.
- the lower electrode layer may use various inorganic materials, but in the present invention, it is preferable to use ITO (Indium Tin Oxide) having good electrical conductivity.
- the process of planarization of the lower electrode is a process having a major influence on device performance since the surface resistance and leakage current can be minimized in fabrication of the organic light emitting device.
- the surface of the lower electrode of the organic light emitting device should be deposited to be flat to prevent the occurrence of device short circuit and leakage current. If the surface of the lower electrode is not flat, a tendency for the lower electrode to penetrate the organic material layer deposited in the next step appears. Such a phenomenon causes short circuit and leakage current of the organic light emitting element.
- planarization of the lower electrode performed in the present invention may have various methods, but in the present invention, it is preferable to perform at least one of heat treatment and plasma treatment.
- the heat treatment is preferably performed in the range of 250 ⁇ 400 °C.
- the recrystallization phenomenon occurs in the lower electrode thin film, thereby moving from a high energy to a low place, thereby flattening.
- the plasma treatment is usually performed using either argon (Ar) plasma or oxygen plasma.
- the spike structure existing on the surface of the lower electrode thin film is separated from the thin film, thereby completing the lower electrode planarization process, thereby reducing the leakage current value.
- the plasma treatment process if the power of the plasma is too low, the effect of etching the material deposited over the thin film of the lower electrode is reduced, and if the power of the plasma is too high, the lower electrode as well as the over-deposited material Direct damage to the thin film is a cause of deterioration of the organic light emitting device quality.
- the plasma treatment step is preferably performed in the range of 400 to 600W when using the argon (Ar) plasma, and in the range of 100 to 200W when using the oxygen plasma.
- the upper electrode layer deposition step of depositing the upper electrode is a step of depositing a metal layer that is a cathode on the organic material layer can be used a number of metals, but in the embodiment of the present invention was deposited using aluminum (Al).
- a second technical feature of the present invention is to provide a method of manufacturing an organic light emitting device in which the electrical properties are improved by performing the insulating film layer deposition step.
- the leakage current generated from the lower electrode is prevented from moving to another upper layer.
- PI Polyimide
- Al 2 O 3 Al 2 O 3 , SiO 2 and SiNx insulating film
- deposit at a thickness of 50 to 300 nm it is preferable to deposit using any one of PI (Polyimide), Al 2 O 3 , SiO 2 and SiNx insulating film as the insulating film layer, and to deposit at a thickness of 50 to 300 nm.
- the present invention performs a planarization process of the lower electrode and deposits an insulating film layer, so that the leakage current value is similar to or lower than that of the organic light emitting device forming the lower electrode layer and the insulating film layer by a conventional etching process. It will have the same as the experimental example described later.
- Example lower electrodes 1 to 8 were deposited by using a shadow mask under the same process conditions as in Table 1 below.
- Argon (Ar) plasma treatment and oxygen plasma treatment step of the planarization process is shown in Table 2 below.
- a lower electrode 2 of Comparative Example manufactured by performing a conventional organic light emitting device manufacturing method was manufactured.
- Comparative Example The lower electrode 2 was prepared by depositing the lower electrode thin film on a glass substrate and etching the thin film by photolithography.
- the results of the PV values and leakage current values are shown in Table 4 and FIG. 1.
- R a average ratio
- R PV peak to valley ratio
- the 250 ° C. heat treatment and the oxygen plasma treatment which are the planarization process of the lower electrode, reduce the roughness of the surface of the lower electrode and reduce the leakage current.
- R a R PV values of the lower electrode thin film surface measured by performing AFM measurements of Example lower electrode 4, Example lower electrode 8 and Comparative Example lower electrodes 1 to 2 obtained by deposition at 380 ° C. simultaneously with RF power conditions, and The results of the leakage current values are shown in Table 5 and FIG. 2.
- R a average ratio
- R PV peak to valley ratio
- the lower electrode thin film was deposited to a thickness of 150 nm at 250 ° C deposition temperature using DC + RF power conditions, and then 250 ° C, Heat treatment at 380 ° C. and oxygen plasma treatment were performed to show the results of the R s value, R PV value and leakage current value of the lower electrode thin film surface in Table 7 and FIG. 3.
- the lower electrode ITO thin film deposition process step is shown in Table 6.
- An OLED device was manufactured using the Comparative Example lower electrodes and Example lower electrodes of Table 7.
- the structure of the manufactured OLED is shown in FIG. 4, and the graph of the resultant leakage current is shown in FIG. 5.
- the characteristic of the leakage current is improved, which is considered to be an effect of reducing surface roughness and over peak of the lower electrode through the planarization process of the lower electrode.
- the present invention relates to an organic light emitting device and a method of manufacturing the same, and more particularly, to a method of manufacturing an organic light emitting device capable of reducing a leakage current generated in an organic light emitting device manufactured by using a shadow mask and the organic material produced by the method As a light emitting device, there is industrial applicability.
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
| 구분 | Surface treatment 조건 변화 | Temperature(℃) | Time(Hr) |
| 실시예 1 | As-dep.(with mask) + RTA(250) | 250 | 1 |
| 실시예 2 | As-dep.(with mask) + RTA(380) | 380 | 1 |
| 실시예 3 | As-dep.(with mask) + O2 PT | - | 1 |
| 실시예 4 | As-dep.(with mask) + Ar PT | - | 1 |
| 실시예 5 | As-dep.(with mask) +RTA(250) + O2 PT | 250 | |
| 실시예 6 | As-dep.(with mask) +RTA(380) + O2 PT | 380 | |
| 실시예 7 | As-dep.(with mask) +RTA(250) + Ar PT | 250 | |
| 실시예 8 | As-dep.(with mask) +RTA(380) + Ar PT | 380 |
| 구분 | O2 | Ar |
| RF power(W) | 150 W | 150 W |
| Ar flow(sccm) | - | 100 |
| O2 flow(sccm) | 50 | - |
| Pressure(mtorr) | 20 | 10 |
| Time(sec) | 90 | 180 |
| 구분 | Surface treatment 조건 변화 | Temperature(℃) | Time(Hr) |
| 비교예 1 | As-dep.(with mask) | - | 1 |
| 구분 | Surface treatment 조건 변화 | 누설 전류 값 (mA/cm2) | Ave.Ra(Ω/□) | RPV(nm) |
| 비교예 1 | As-dep.(with mask) | 3.12 | 1.587 | 22.512 |
| 비교예 2 | 기존 하부전극(Ref.) | 0.197 | 1.202 | 11.447 |
| 실시예 1 | As-dep.(with mask) + RTA(250) | 2.45 | 0.329 | 7.644 |
| 실시예 5 | As-dep.(with mask) +RTA(250) + O2 PT | 1.84 | 0.169 | 3.877 |
| 구분 | Surface treatment 조건 변화 | 누설 전류 값 (mA/cm2) | Ave.Ra(Ω/□) | RPV(nm) |
| 비교예 1 | As-dep.(with mask) | 3.24 | 2.294 | 26.164 |
| 비교예 2 | 기존 하부전극(Ref.) | 0.215 | 1.202 | 11.447 |
| 실시예 4 | As-dep.(with mask) + Ar PT | 1.83 | 2.066 | 23.247 |
| 실시예 8 | As-dep.(with mask) +RTA(380) + Ar PT | 0.273 | 1.708 | 15.644 |
| 구분 | DC+RF power |
| Power(W) | DC 300 WRF 350 W |
| Base pressure(Pa) | 5.37 x 10-7 |
| Working pressure(mTorr) | 1.2 |
| Ar flow rate (sccm) | 100 |
| O2 flow rate (sccm) | 0.5 |
| ÅThickness (Å) | 1500 |
| Dep. rate (Å/Sec) | 2.3 |
| 구분 | Surface treatment 조건 변화 | 누설 전류 값 (mA/cm2) | Ave.Rs(Ω/□) | RPV(nm) |
| 비교예 1 | As-dep.(with mask) | 3.16 | 30.86 | 19.419 |
| 실시예 3 | As-dep.(with mask) + O2 PT | 0.297 | 30.58 | 15.077 |
| 실시예 1 | As-dep.(with mask) + RTA(250) | 2.45 | 28.57 | 15.887 |
| 실시예 5 | As-dep.(with mask) +RTA(250) + O2 PT | 0.212 | 28.53 | 11.415 |
| 실시예 2 | As-dep.(with mask) + RTA(380) | 1.84 | 15.55 | 16.944 |
| 실시예 6 | As-dep.(with mask) +RTA(380) + O2 PT | 0.133 | 15.42 | 12.874 |
Claims (8)
- 기판을 준비하는 단계;상기 기판에 쉐도우 마스크를 도입하는 도입 단계;상기 쉐도우 마스크가 도입된 기판에 하부 전극을 증착하는 하부 전극층 증착 단계;상기 하부 전극층을 평탄화하는 평탄화 단계;상기 평탄화된 하부 전극층에 유기물을 증착하는 유기물층 증착 단계; 및상기 유기물층에 상부 전극을 증착하는 상부 전극층 증착 단계;를 포함하는 유기 발광 소자 제조 방법.
- 제 1 항에 있어서, 상기 평탄화된 하부 전극층에 절연막을 증착하는 절연막층 증착 단계;를 더 포함하는 것을 특징으로 하는 유기 발광 소자 제조 방법.
- 제 1 항에 있어서, 상기 평탄화 단계는 열처리 및 플라즈마 처리 중 하나 이상을 수행하는 것을 특징으로 하는 유기 발광 소자 제조 방법.
- 제 3 항에 있어서, 상기 열처리는 250 ~ 400℃의 범위에서 수행되는 것을 특징으로 하는 유기 발광 소자 제조 방법.
- 제 3 항에 있어서, 상기 플라즈마 처리는 아르곤(Ar) 플라즈마 처리 및 산소 플라즈마 처리 중 하나 이상을 수행하는 것을 특징으로 하는 유기 발광 소자 제조 방법.
- 제 2 항에 있어서, 상기 절연막은 PI(Polyimide), Al2O3 , SiO2 및 SiNx 절연막 중 어느 하나인 것을 특징으로 하는 유기 발광 소자 제조 방법.
- 제 1 항에 있어서, 상기 하부 전극층은 ITO(Indium Tin Oxide) 박막층인 것을 특징으로 하는 유기 발광 소자 제조 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항의 제조 방법으로 제조되어 누설 전류가 감소된 것을 특징으로 하는 유기 발광 소자.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/647,121 US9640776B2 (en) | 2013-03-07 | 2014-01-14 | Organic light emitting device manufacturing method using shadow mask and organic light emitting device manufactured thereby |
| DE112014001167.3T DE112014001167B4 (de) | 2013-03-07 | 2014-01-14 | Herstellung einer organischen, Licht emittierenden Vorrichtung mittels einer Lochmaske |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0024264 | 2013-03-07 | ||
| KR1020130024264A KR101594352B1 (ko) | 2013-03-07 | 2013-03-07 | Shadow mask를 이용한 유기 발광 소자 제조 방법 및 상기 방법으로 제조된 유기 발광 소자. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014137068A1 true WO2014137068A1 (ko) | 2014-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2014/000385 Ceased WO2014137068A1 (ko) | 2013-03-07 | 2014-01-14 | 쉐도우 마스크를 이용한 유기 발광 소자 제조 방법 및 상기 방법으로 제조된 유기 발광 소자 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9640776B2 (ko) |
| KR (1) | KR101594352B1 (ko) |
| DE (1) | DE112014001167B4 (ko) |
| WO (1) | WO2014137068A1 (ko) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010057125A (ko) * | 1999-12-18 | 2001-07-04 | 이형도 | 양극이 처리된 유기발광소자 제조방법 |
| KR20030057632A (ko) * | 2001-12-29 | 2003-07-07 | 엘지.필립스 엘시디 주식회사 | 능동행렬 유기전기발광소자 및 그의 제조 방법 |
| KR20050110541A (ko) * | 2004-05-19 | 2005-11-23 | 삼성에스디아이 주식회사 | 유기 전계 발광 소자의 제조 방법 |
| JP2006216539A (ja) * | 2005-02-07 | 2006-08-17 | Samsung Sdi Co Ltd | 平板表示装置の電極形成方法、有機電界発光表示装置及びその製造方法 |
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| KR100351238B1 (ko) * | 1999-09-14 | 2002-09-09 | 주식회사 하이닉스반도체 | 반도체 소자의 캐패시터 제조 방법 |
| US6724051B1 (en) * | 2000-10-05 | 2004-04-20 | Advanced Micro Devices, Inc. | Nickel silicide process using non-reactive spacer |
| KR20030023143A (ko) * | 2001-09-12 | 2003-03-19 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 제조 방법 |
| US6656832B1 (en) * | 2002-07-25 | 2003-12-02 | Taiwan Semiconductor Manufacturing Co., Ltd | Plasma treatment method for fabricating microelectronic fabrication having formed therein conductor layer with enhanced electrical properties |
| EP1895545B1 (en) * | 2006-08-31 | 2014-04-23 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device |
| US8268650B2 (en) * | 2008-07-22 | 2012-09-18 | Showa Denko K.K. | Process for manufacturing sealed organic electroluminescence devices |
| FR2937055B1 (fr) * | 2008-10-09 | 2011-04-22 | Ecole Polytech | Procede de fabrication a basse temperature de nanofils semiconducteurs a croissance laterale et transistors a base de nanofils, obtenus par ce procede |
| US8298927B2 (en) * | 2010-05-19 | 2012-10-30 | Institute of Microelectronics, Chinese Academy of Sciences | Method of adjusting metal gate work function of NMOS device |
| KR101808198B1 (ko) * | 2010-05-21 | 2017-12-12 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치의 제작 방법 |
| JP5992174B2 (ja) * | 2011-03-31 | 2016-09-14 | シャープ株式会社 | 窒化物半導体発光素子およびその製造方法 |
| US8564192B2 (en) * | 2011-05-11 | 2013-10-22 | Universal Display Corporation | Process for fabricating OLED lighting panels |
| US8907314B2 (en) * | 2012-12-27 | 2014-12-09 | Intermolecular, Inc. | MoOx-based resistance switching materials |
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2014
- 2014-01-14 US US14/647,121 patent/US9640776B2/en active Active
- 2014-01-14 WO PCT/KR2014/000385 patent/WO2014137068A1/ko not_active Ceased
- 2014-01-14 DE DE112014001167.3T patent/DE112014001167B4/de active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010057125A (ko) * | 1999-12-18 | 2001-07-04 | 이형도 | 양극이 처리된 유기발광소자 제조방법 |
| KR20030057632A (ko) * | 2001-12-29 | 2003-07-07 | 엘지.필립스 엘시디 주식회사 | 능동행렬 유기전기발광소자 및 그의 제조 방법 |
| KR20050110541A (ko) * | 2004-05-19 | 2005-11-23 | 삼성에스디아이 주식회사 | 유기 전계 발광 소자의 제조 방법 |
| JP2006216539A (ja) * | 2005-02-07 | 2006-08-17 | Samsung Sdi Co Ltd | 平板表示装置の電極形成方法、有機電界発光表示装置及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9640776B2 (en) | 2017-05-02 |
| KR101594352B1 (ko) | 2016-02-16 |
| US20150364714A1 (en) | 2015-12-17 |
| DE112014001167B4 (de) | 2020-01-23 |
| DE112014001167T5 (de) | 2015-11-19 |
| KR20140110255A (ko) | 2014-09-17 |
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