WO2005111259A1 - 有機材料用蒸発源及び有機蒸着装置 - Google Patents
有機材料用蒸発源及び有機蒸着装置 Download PDFInfo
- Publication number
- WO2005111259A1 WO2005111259A1 PCT/JP2005/008780 JP2005008780W WO2005111259A1 WO 2005111259 A1 WO2005111259 A1 WO 2005111259A1 JP 2005008780 W JP2005008780 W JP 2005008780W WO 2005111259 A1 WO2005111259 A1 WO 2005111259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- organic material
- evaporation
- evaporation source
- organic
- lid
- Prior art date
Links
Classifications
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/26—Vacuum evaporation by resistance or inductive heating of the source
-
- 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
- C23C14/12—Organic material
-
- 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
Definitions
- the present invention relates to an organic material evaporation source for forming an organic compound evaporation film on a substrate when manufacturing an organic EL device or the like, and an organic evaporation apparatus using the same.
- Fig. 7 is a schematic configuration diagram of an organic vapor deposition apparatus for producing a conventional organic EL element.
- an evaporation source 103 is provided below a vacuum chamber 102, and a substrate 104 which is a film formation target is provided above the evaporation source 103. Have been.
- vapor of an organic material evaporated from the evaporation source 103 is deposited on the substrate 104 via the mask 105 to form an organic thin film of a predetermined pattern.
- Patent Document 1 JP-A-10-168560
- the present invention has been made in order to solve such problems of the conventional technology, and an object thereof is to provide an organic film capable of forming a film having a uniform film thickness distribution on a large substrate.
- An object of the present invention is to provide a material evaporation source and an organic evaporation apparatus using the same.
- Another object of the present invention is to provide an evaporation source for an organic material capable of accurately and responsively controlling a heating temperature and an evaporation rate during evaporation, and an organic evaporation apparatus using the same. Is to do.
- the present invention provides a container main body for containing a predetermined organic material having a heating section that also has a high-frequency induction coil force, and for allowing vapor of the organic material to pass therethrough.
- a lid having an evaporating port, wherein the amount of vapor of the organic material emitted from the evaporating port is configured to increase in a divergent manner with respect to a two-dimensional position with respect to a predetermined reference position, It is an evaporation source for organic materials.
- a plurality of evaporating ports are provided in the lid portion, and the plurality of evaporating ports are arranged in a divergent shape.
- the evaporation port of the lid portion is configured such that a total opening area increases in accordance with a distance of the reference position force.
- the evaporating ports of the lid are arranged along a plurality of concentric arcs centered on the reference position.
- the lid is formed in a divergent shape.
- the container body is formed in a divergent shape.
- the present invention further includes a vacuum chamber in which the organic material evaporation source is disposed, and in the vacuum chamber, a film formation target is relatively positioned around a predetermined rotation center axis with respect to the organic material evaporation source.
- An organic vapor deposition apparatus which is configured to rotate, and wherein the organic material evaporation source is disposed such that a reference position of the evaporation port is located near the rotation center axis.
- the evaporation source for organic material of the present invention is configured such that the amount of vapor of the organic material emitted from the evaporation rocker increases divergently with respect to a two-dimensional position with respect to a predetermined reference position.
- the evaporation source for organic material By arranging the evaporation source for organic material such that the reference position of the evaporation port is located near the rotation center axis of the film formation target, the evaporation source is separated from the vicinity of the rotation center axis of the film formation target.
- a large amount of vapor of the organic material can be vapor-deposited at the part where the film is formed, whereby the film thickness distribution on the object to be film-formed can be made uniform.
- the evaporation source for organic materials of the present invention has a heating section composed of a high-frequency induction coil in the main body of the container, it is compared with a case where a Knudsen cell is used as the evaporation source, for example. Thus, it is possible to accurately and responsively control the heating temperature and the evaporation rate at the time of vapor deposition.
- a plurality of evaporation ports are provided in the lid, and the plurality of evaporation ports are arranged in a divergent shape.
- the amount of vapor of the organic material released from the evaporation loca can be configured to increase in a divergent manner with respect to a two-dimensional position with respect to the reference position, whereby the film thickness distribution on the film formation target can be made uniform.
- FIG. 1 is a cross-sectional view showing a configuration of an embodiment of an organic vapor deposition apparatus according to the present invention.
- FIG. 2 is a plan view showing a configuration of an evaporation source in the organic vapor deposition apparatus.
- FIG. 3 is a plan view showing a configuration of an evaporation source in the organic vapor deposition apparatus.
- FIG. 4 is a perspective view showing an external configuration of a dopant evaporation source of an organic evaporation apparatus.
- FIG. 5 is a graph showing the results of the example
- FIG. 6 is a graph showing the results of a comparative example
- FIG. 7 Schematic configuration diagram of an organic vapor deposition apparatus for producing a conventional organic EL element
- Vacuum vapor deposition device 2 ... Vacuum tank 3 . Evaporation unit 4 ; Substrate holder 5 ... Substrate (target for film formation) 30 ... Evaporation source 31 . Host evaporation source 32 . Dopant evaporation source O ... BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a cross-sectional view showing the configuration of the organic vapor deposition apparatus according to the present embodiment
- FIG. 4 is a plan view showing a configuration of an evaporation source in the organic vapor deposition apparatus
- FIG. 4 is a perspective view showing an external configuration of a dopant evaporation source in the organic vapor deposition apparatus.
- the organic vapor deposition apparatus 1 of the present embodiment has a vacuum chamber 2 connected to a vacuum exhaust system (not shown), and an evaporating unit 3 described below is provided below the vacuum chamber 2. It is provided.
- a shutter (not shown) for controlling the vapor evaporated from the evaporator 3 is provided near the upper part of the evaporator 3.
- a substrate holder 4 is provided in the upper part of the vacuum chamber 2, and a substrate (film formation target) 5 on which a deposition film is to be formed is fixed to the substrate holder 4. Then, a mask 6 is provided near the lower part of the substrate 5.
- the board 5 is configured to rotate in the horizontal direction by driving a motor (not shown).
- the substrate 5 rotates around a rotation center axis O located at the center thereof.
- the evaporating section 3 is composed of a plurality of evaporation sources 30.
- each evaporation source 30 is a host evaporation source for evaporating the host material.
- the dopant evaporation source 32 has a dopant evaporation source 32 for evaporating a dopant material.
- the dopant evaporation source 32 is arranged on both sides of the host evaporation source 31.
- the host evaporation source 31 has a divergent shape (a shape gradually expanding in one predetermined direction), for example, a fan-shaped evaporation container 31a.
- the evaporation container 31a of the host evaporation source 31 is made of, for example, graphite, and a predetermined common organic evaporation material is accommodated in a common space therein.
- the evaporation container 31a is covered with a fan-shaped lid 31b, like the evaporation container 31a.
- a predetermined coil 50 is wound around the evaporation vessel 3 la in the host evaporation source 31, and an AC voltage having a predetermined frequency is applied to the coil 50 from an AC power supply 51 provided outside the vacuum chamber 2. It is configured to do.
- a cooling pipe (not shown) for circulating a coolant such as a gas is arranged around the evaporating vessel 31a, so that the evaporating vessel 31a is brought to a predetermined temperature. Can be controlled.
- the cover 31b of the host evaporation source 31 is provided with a plurality of evaporation ports 31c described below.
- each of the evaporation ports 31c is formed in a circular shape having the same size, and is arranged in a divergent shape so as to correspond to the shape of the lid 31b.
- each of the host evaporation sources 31 is disposed with its tapered tip directed toward the position of the rotation center axis O of the substrate 5 described above.
- the evaporation ports 31c of the lid 31b are arranged along a plurality of concentric circles 33 around the rotation center axis O of the substrate 5.
- the rotation center axis O force also increases the number of the evaporation ports 31c toward the outside so that the total opening area of the evaporation ports 31c increases according to the distance from the rotation center axis O of the substrate 5. Is configured.
- the amount of the vapor of the organic material discharged from the evaporation port 31c increases in a divergent manner with respect to the two-dimensional position with respect to the rotation center axis O of the substrate 5.
- the diameter of the evaporation port 31c is not particularly limited, but from the viewpoint of securing the film thickness uniformity, the diameter is lmn! It is preferable that the distance is set to be about 8 mm.
- the pitch between the evaporation ports 31c is 3mn! It is preferable to set it to 10 mm.
- the central angle of the sector of the evaporation container 31a and the lid 31b is preferably 30 ° to 60 ° from the viewpoint of keeping the concentration and the film thickness of the co-deposition of the dopant and the host constant.
- the basic configuration of the dopant evaporation source 32 is the same as that of the host evaporation source 31,
- a predetermined coil 50 is wound around the evaporation vessel 31a of the dopant evaporation source 32, and an AC voltage of a predetermined frequency is applied to the coil 50 from the AC power supply 51. Is configured.
- the lid 32b of the dopant evaporation source 32 is provided with a plurality of evaporation ports 32c.
- Each evaporating port 32c is formed in a circular shape having the same size, and is arranged in a divergent shape so as to correspond to the shape of the lid 32b.
- each of the dopant evaporation sources 32 is disposed with its tapered tip directed toward the position of the rotation center axis O of the substrate 5 described above.
- the evaporation ports 32c of the lid 32b are arranged along a plurality of concentric circles 33 centered on the rotation center axis O of the substrate 5.
- the number of the evaporating ports 32c increases toward the outside so that the total opening area of the evaporating ports 32c increases in accordance with the distance from the rotation center axis O of the substrate 5 to the outside. Is configured.
- each dopant evaporation source 32 spreads in a two-dimensional position with respect to the mass force S of the vapor of the organic material discharged from the evaporation port 32c and the rotation center axis O of the substrate 5.
- the diameter of the evaporation port 32c is not particularly limited, but from the viewpoint of ensuring the film thickness uniformity, the diameter is lmn! It is preferable that the distance is set to be about 2 mm.
- the pitch between the evaporation ports 32c is 2mn! From the viewpoint of ensuring the film thickness uniformity. It is preferable to set it to 5 mm.
- the central angle of the sector of the evaporation container 32a and the lid 32b is preferably 1 ° to 30 ° from the viewpoint of the concentration distribution of the dopant.
- the amount of the vapor of the organic material released from the evaporation ports 31 c and 32 c of the host evaporation source 31 and the dopant evaporation source 32 depends on the rotation center axis O of the substrate 5.
- the reference is configured to increase in a divergent manner with respect to the two-dimensional position.As a result, a large amount of organic material vapor can be deposited at a position away from the vicinity of the rotation center axis O of the substrate 5, whereby the substrate 5 5 can make the film thickness distribution uniform.
- the vapor deposition material is heated by the high-frequency induction coil 50, the vapor deposition material is more effective at the time of vapor deposition than when, for example, a Knudsen cell is used as the vapor source.
- the heating temperature and the evaporation rate can be controlled accurately and with good responsiveness.
- the number, arrangement, and the shape, arrangement, and size of the evaporation ports of the evaporation sources described in the above-described embodiment are merely examples, and the shape of the evaporation ports may be changed without departing from the scope of the present invention. It can be appropriately changed, such as a slit shape.
- the embodiment shown in FIG. 5 can control the heating temperature and the evaporation rate more accurately and responsively than the comparative example shown in FIG. As a result,
- the organic material evaporation source and the organic vapor deposition apparatus of the present invention can be used as means for forming a vapor deposition film of an organic compound on a substrate when manufacturing an organic EL device or the like.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020067008948A KR101188163B1 (ko) | 2004-05-17 | 2005-05-13 | 유기 재료용 증발원 및 유기 증착 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-146181 | 2004-05-17 | ||
JP2004146181A JP4558375B2 (ja) | 2004-05-17 | 2004-05-17 | 有機材料用蒸発源及び有機蒸着装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005111259A1 true WO2005111259A1 (ja) | 2005-11-24 |
Family
ID=35394173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008780 WO2005111259A1 (ja) | 2004-05-17 | 2005-05-13 | 有機材料用蒸発源及び有機蒸着装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4558375B2 (ja) |
KR (1) | KR101188163B1 (ja) |
CN (1) | CN1950536A (ja) |
TW (1) | TW200606268A (ja) |
WO (1) | WO2005111259A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006324649A (ja) * | 2005-04-22 | 2006-11-30 | Semiconductor Energy Lab Co Ltd | 有機半導体装置の作製方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008018705A1 (en) * | 2006-08-08 | 2008-02-14 | Soonchunhyang University Industry Academy Cooperation Foundation | Apparatus for depositing thin films over large-area substrates |
CN101803462B (zh) * | 2007-09-10 | 2012-06-27 | 株式会社爱发科 | 蒸气放出装置、有机薄膜蒸镀装置及有机薄膜蒸镀方法 |
JP5685433B2 (ja) * | 2010-12-15 | 2015-03-18 | 株式会社アルバック | 蒸着装置及び蒸着方法 |
CN102703866A (zh) * | 2012-01-13 | 2012-10-03 | 东莞宏威数码机械有限公司 | 线性蒸发源装置及具有该装置的蒸发速率精控式蒸发设备 |
CN103436846B (zh) * | 2013-09-18 | 2016-02-03 | 河南理工大学 | 高体积分数SiC铝基复合材料表面离子镀铝膜层的方法 |
JP2015137409A (ja) * | 2014-01-23 | 2015-07-30 | スタンレー電気株式会社 | 坩堝及び真空蒸着装置 |
CN103849837B (zh) * | 2014-03-24 | 2016-02-10 | 四川虹视显示技术有限公司 | 一种蒸发源装置 |
CN105002465B (zh) * | 2015-08-14 | 2017-12-19 | 西安工业大学 | 一种热蒸发镀膜方法及其装置 |
CN105132861A (zh) * | 2015-10-13 | 2015-12-09 | 京东方科技集团股份有限公司 | 一种蒸镀掩膜版以及蒸镀设备 |
JP6709273B2 (ja) * | 2018-03-28 | 2020-06-10 | 公益財団法人福岡県産業・科学技術振興財団 | 蒸着装置 |
JP7217635B2 (ja) * | 2019-01-11 | 2023-02-03 | 株式会社アルバック | 蒸着源、成膜装置、及び蒸着方法 |
CN110629168B (zh) * | 2019-10-30 | 2021-11-02 | 东北大学 | 一种真空镀膜机的蒸发装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06199592A (ja) * | 1992-12-29 | 1994-07-19 | Sony Corp | 分子線結晶成長装置 |
JP2001081548A (ja) * | 1999-09-14 | 2001-03-27 | Asahi Optical Co Ltd | 成膜装置および成膜方法 |
JP2003286563A (ja) * | 2002-03-28 | 2003-10-10 | Sony Corp | 成膜装置および成膜方法 |
-
2004
- 2004-05-17 JP JP2004146181A patent/JP4558375B2/ja not_active Expired - Lifetime
-
2005
- 2005-05-13 WO PCT/JP2005/008780 patent/WO2005111259A1/ja active Application Filing
- 2005-05-13 CN CNA200580013553XA patent/CN1950536A/zh active Pending
- 2005-05-13 KR KR1020067008948A patent/KR101188163B1/ko active IP Right Grant
- 2005-05-16 TW TW094115817A patent/TW200606268A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06199592A (ja) * | 1992-12-29 | 1994-07-19 | Sony Corp | 分子線結晶成長装置 |
JP2001081548A (ja) * | 1999-09-14 | 2001-03-27 | Asahi Optical Co Ltd | 成膜装置および成膜方法 |
JP2003286563A (ja) * | 2002-03-28 | 2003-10-10 | Sony Corp | 成膜装置および成膜方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006324649A (ja) * | 2005-04-22 | 2006-11-30 | Semiconductor Energy Lab Co Ltd | 有機半導体装置の作製方法 |
Also Published As
Publication number | Publication date |
---|---|
TW200606268A (en) | 2006-02-16 |
JP4558375B2 (ja) | 2010-10-06 |
JP2005325424A (ja) | 2005-11-24 |
KR101188163B1 (ko) | 2012-10-05 |
CN1950536A (zh) | 2007-04-18 |
TWI364463B (ja) | 2012-05-21 |
KR20070012314A (ko) | 2007-01-25 |
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