JP7164083B2 - ポリイミド前駆体組成物及びそれを用いて製造されたポリイミドフィルム - Google Patents
ポリイミド前駆体組成物及びそれを用いて製造されたポリイミドフィルム Download PDFInfo
- Publication number
- JP7164083B2 JP7164083B2 JP2021524393A JP2021524393A JP7164083B2 JP 7164083 B2 JP7164083 B2 JP 7164083B2 JP 2021524393 A JP2021524393 A JP 2021524393A JP 2021524393 A JP2021524393 A JP 2021524393A JP 7164083 B2 JP7164083 B2 JP 7164083B2
- Authority
- JP
- Japan
- Prior art keywords
- chemical formula
- polyimide
- polyamic acid
- group
- polyimide film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/101—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents
- C08G73/1014—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents in the form of (mono)anhydrid
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/101—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
- C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02118—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer carbon based polymeric organic or inorganic material, e.g. polyimides, poly cyclobutene or PVC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Description
b)検出された電圧値が飽和値に到達して、これ以上変化しない時の電圧値を飽和帯電圧で得て、コロナ放電印加を中断する段階;
c)コロナ放電印加が中断されたフィルムの電位値を連続して検出して、前記飽和帯電圧に対して検出された電位値が50%になる時点の時間を測定して半減期を得る段階;及び
d)測定された飽和帯電圧と半減期とが所定値以上であるか否かからポリマーフィルムの表面特性を判断する段階。
Claims (11)
- 前記化学式1に結合された末端封止基の反応性基が、maleic系、シクロブタン系、アセチレン系、nadic系、エポキシ系またはphenylethynyl系のうちから選択される反応性構造を含む、
請求項1に記載のフレキシブルデバイス。 - 前記第1ポリアミド酸と第2ポリアミド酸が、20:80~80:20のmol比で混合される、
請求項1から3のいずれか1項に記載のフレキシブルデバイス。 - 前記第1ポリアミド酸と第2ポリアミド酸は、パラフェニレンジアミンと3,3',4,4'-ビフェニルカルボン酸二無水物との反応生成物を含み、
前記反応生成物は、パラフェニレンジアミンを3,3',4,4'-ビフェニルカルボン酸二無水物の当量比よりも過量反応させて得た、
請求項1から4のいずれか1項に記載のフレキシブルデバイス。 - 前記第1ポリアミド酸は、パラフェニレンジアミンと3,3',4,4'-ビフェニルカルボン酸二無水物とを、パラフェニレンジアミン100mol基準反応性末端封止剤1~10molの存在下に反応させた反応生成物である、
請求項5に記載のフレキシブルデバイス。 - 前記ポリイミドフィルムが6μmの厚さで、コロナ放電法で測定された飽和帯電圧が1.3kV以上であり、
半減期時間が135秒以上であり、
熱分解温度(Td_1%)が570℃以上である、
請求項6から8のいずれか1項に記載のフレキシブルデバイス。 - 前記製造方法が、LTPS(低温ポリシリコン)工程、ITO工程またはOxide工程を含む、
請求項10に記載のフレキシブルデバイスの製造方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0017004 | 2019-02-14 | ||
KR20190017004 | 2019-02-14 | ||
KR1020200006836A KR102262507B1 (ko) | 2019-02-14 | 2020-01-17 | 폴리이미드 전구체 조성물 및 이를 이용하여 제조된 폴리이미드 필름 |
KR10-2020-0006836 | 2020-01-17 | ||
PCT/KR2020/001842 WO2020166913A1 (ko) | 2019-02-14 | 2020-02-10 | 폴리이미드 전구체 조성물 및 이를 이용하여 제조된 폴리이미드 필름 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022506796A JP2022506796A (ja) | 2022-01-17 |
JP7164083B2 true JP7164083B2 (ja) | 2022-11-01 |
Family
ID=72235379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021524393A Active JP7164083B2 (ja) | 2019-02-14 | 2020-02-10 | ポリイミド前駆体組成物及びそれを用いて製造されたポリイミドフィルム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220010069A1 (ja) |
JP (1) | JP7164083B2 (ja) |
KR (1) | KR102262507B1 (ja) |
CN (1) | CN112969741B (ja) |
TW (1) | TWI737158B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220007769A (ko) * | 2020-07-09 | 2022-01-19 | 삼성디스플레이 주식회사 | 표시 장치 |
CN115895254B (zh) * | 2022-11-23 | 2024-09-10 | 中国科学院化学研究所 | 一种聚酰亚胺泡沫材料及其制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008235515A (ja) | 2007-03-20 | 2008-10-02 | Toyobo Co Ltd | 回路基板とその製造方法 |
WO2012043186A1 (ja) | 2010-09-28 | 2012-04-05 | 東レ株式会社 | 樹脂組成物およびその製造方法 |
JP2013010340A (ja) | 2011-05-30 | 2013-01-17 | Toyobo Co Ltd | 積層体の作成方法および、この積層体を利用したフィルムデバイスの作成方法 |
WO2017099183A1 (ja) | 2015-12-11 | 2017-06-15 | 東レ株式会社 | 樹脂組成物、樹脂の製造方法、樹脂膜の製造方法および電子デバイスの製造方法 |
JP2018119122A (ja) | 2017-01-27 | 2018-08-02 | 富士ゼロックス株式会社 | ポリイミド前駆体組成物、及びポリイミド成形体の製造方法 |
KR101906394B1 (ko) | 2017-11-10 | 2018-10-11 | 에스케이씨코오롱피아이 주식회사 | 초박막 블랙 폴리이미드 필름 및 이의 제조방법 |
JP2020509127A (ja) | 2017-09-04 | 2020-03-26 | エルジー・ケム・リミテッド | フレキシブルディスプレイ素子基板用ポリイミドフィルム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02224824A (ja) * | 1989-02-28 | 1990-09-06 | Mitsubishi Heavy Ind Ltd | 波形管の製造方法 |
US5115090A (en) * | 1990-03-30 | 1992-05-19 | Sachdev Krishna G | Viscosity stable, essentially gel-free polyamic acid compositions |
US5310862A (en) * | 1991-08-20 | 1994-05-10 | Toray Industries, Inc. | Photosensitive polyimide precursor compositions and process for preparing same |
US5741598A (en) * | 1995-08-01 | 1998-04-21 | Ube Industries, Ltd. | Polyimide/metal composite sheet |
JP3444035B2 (ja) * | 1995-08-01 | 2003-09-08 | 宇部興産株式会社 | ポリイミドフィルム |
KR20070058812A (ko) * | 2005-12-05 | 2007-06-11 | 주식회사 코오롱 | 폴리이미드 필름 |
US8182608B2 (en) * | 2007-09-26 | 2012-05-22 | Eastman Kodak Company | Deposition system for thin film formation |
JP5845911B2 (ja) * | 2012-01-13 | 2016-01-20 | 宇部興産株式会社 | ポリイミド前駆体水溶液組成物、及びポリイミド前駆体水溶液組成物の製造方法 |
JP5846136B2 (ja) * | 2013-01-31 | 2016-01-20 | 富士ゼロックス株式会社 | ポリイミド前駆体組成物、及びポリイミド前駆体組成物の製造方法 |
JP6245252B2 (ja) * | 2013-03-13 | 2017-12-13 | 宇部興産株式会社 | 絶縁被覆層の製造方法 |
KR102463845B1 (ko) * | 2015-12-24 | 2022-11-04 | 주식회사 두산 | 접착력이 향상된 폴리아믹산 조성물 및 이를 포함하는 폴리이미드 필름 |
KR101907320B1 (ko) * | 2017-09-04 | 2018-10-11 | 주식회사 엘지화학 | 플렉서블 디스플레이 소자 기판용 폴리이미드 필름 |
WO2019131884A1 (ja) * | 2017-12-28 | 2019-07-04 | 宇部興産株式会社 | フレキシブルデバイス基板形成用ポリイミド前駆体樹脂組成物 |
-
2020
- 2020-01-17 KR KR1020200006836A patent/KR102262507B1/ko active IP Right Grant
- 2020-02-06 TW TW109103747A patent/TWI737158B/zh active
- 2020-02-10 CN CN202080006054.2A patent/CN112969741B/zh active Active
- 2020-02-10 US US17/297,854 patent/US20220010069A1/en active Pending
- 2020-02-10 JP JP2021524393A patent/JP7164083B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008235515A (ja) | 2007-03-20 | 2008-10-02 | Toyobo Co Ltd | 回路基板とその製造方法 |
WO2012043186A1 (ja) | 2010-09-28 | 2012-04-05 | 東レ株式会社 | 樹脂組成物およびその製造方法 |
JP2013010340A (ja) | 2011-05-30 | 2013-01-17 | Toyobo Co Ltd | 積層体の作成方法および、この積層体を利用したフィルムデバイスの作成方法 |
WO2017099183A1 (ja) | 2015-12-11 | 2017-06-15 | 東レ株式会社 | 樹脂組成物、樹脂の製造方法、樹脂膜の製造方法および電子デバイスの製造方法 |
JP2018119122A (ja) | 2017-01-27 | 2018-08-02 | 富士ゼロックス株式会社 | ポリイミド前駆体組成物、及びポリイミド成形体の製造方法 |
JP2020509127A (ja) | 2017-09-04 | 2020-03-26 | エルジー・ケム・リミテッド | フレキシブルディスプレイ素子基板用ポリイミドフィルム |
KR101906394B1 (ko) | 2017-11-10 | 2018-10-11 | 에스케이씨코오롱피아이 주식회사 | 초박막 블랙 폴리이미드 필름 및 이의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN112969741A (zh) | 2021-06-15 |
KR20200099469A (ko) | 2020-08-24 |
TW202031731A (zh) | 2020-09-01 |
KR102262507B1 (ko) | 2021-06-08 |
US20220010069A1 (en) | 2022-01-13 |
CN112969741B (zh) | 2023-09-05 |
TWI737158B (zh) | 2021-08-21 |
JP2022506796A (ja) | 2022-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI660982B (zh) | 用於可撓性器件的可撓性基板 | |
TWI638844B (zh) | 高強度透明聚醯胺醯亞胺及其製備程序 | |
TW201920379A (zh) | 聚醯亞胺共聚物、使用其製備之聚醯亞胺膜以及透明聚醯亞胺基板 | |
TW201809073A (zh) | 具有改進的耐熱性的聚醯亞胺膜及其製備方法以及可撓性顯示器用基板材料 | |
TW201829549A (zh) | 聚醯亞胺、用於可撓性元件的聚醯亞胺膜、聚醯亞胺基板以及二胺 | |
TWI691528B (zh) | 矽氧烷化合物及其製備方法、包括其的聚醯亞胺前驅物組成物、包括此前驅物組成物的聚醯亞胺膜、包括此聚醯亞胺膜的顯示器基板 | |
JP7164083B2 (ja) | ポリイミド前駆体組成物及びそれを用いて製造されたポリイミドフィルム | |
CN112074560B (zh) | 聚酰亚胺膜、使用其的柔性基底和包括柔性基底的柔性显示器 | |
TWI809172B (zh) | 聚醯亞胺前驅物組成物、聚醯亞胺膜以及可撓性裝置及其製備製程 | |
CN110198972B (zh) | 用于显示器基底的聚酰亚胺膜 | |
KR102276094B1 (ko) | 폴리머 필름의 표면 전하 밀도 평가 방법, 표면 전하 밀도가 향상된 폴리이미드 필름 및 이를 이용한 플렉서블 소자 | |
TWI754196B (zh) | 雙胺化合物、製備其的方法、聚醯亞胺前驅物、聚醯亞胺膜、可撓性裝置以及製備其的製程 | |
TW202030180A (zh) | 二胺化合物及其製備方法、聚醯亞胺前驅物、聚醯亞胺膜、可撓性裝置及其製備製程 | |
JP7480461B2 (ja) | ポリイミド前駆体溶液及びそれを用いるポリイミドフィルム | |
JP6938839B2 (ja) | ディスプレイ基板用ポリイミドフィルム | |
JP7160459B2 (ja) | ジアミン化合物、それを用いたポリイミド前駆体及びポリイミドフィルム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210511 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220524 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220607 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220826 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220920 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20221007 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7164083 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |