Monomer and polymer, compensation film, optical film, and display device

US11518734B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11518734-B2
Application numberUS-201816053085-A
CountryUS
Kind codeB2
Filing dateAug 2, 2018
Priority dateAug 2, 2017
Publication dateDec 6, 2022
Grant dateDec 6, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A monomer represented by Chemical Formula 1: wherein, in Chemical Formula 1, R 1 , R 2 , A 1 , A 2 , L 1 , L 2 , o, p, q, and r are the same as defined in the detailed description.

First claim

Opening claim text (preview).

What is claimed is: 1. A monomer represented by Chemical Formula 1: wherein, in Chemical Formula 1, L 1 and L 2 are O, A 1 and A 2 are independently a benzene ring or a C3 to C30 hetero aromatic ring, p and q are independently an integer ranging from 1 to 20, o and r are independently an integer ranging from 0 to 3, and R 1 and R 2 are independently hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C3 to C30 cycloalkoxy group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a hydroxy group, a halogen, a nitro group, —NR′R″, —CO—NR′R″, —SiR′R″R′″ (wherein R′, R″, and R′″ are independently hydrogen, a C1 to C30 alkyl group, a C6 to C30 aryl group, or a C7 to C30 arylalkyl group), or a group represented by Chemical Formula 2: wherein, in Chemical Formula 2, L 3 and L 4 are independently O, CO, COO, or CONR b (wherein, R b is hydrogen or a C1 to C30 alkyl group), A 3 and A 4 are independently a substituted or unsubstituted C6 to C30 aromatic ring, a substituted or unsubstituted fluorene ring, a substituted or unsubstituted C7 to C30 arylalkyl group, or a substituted or unsubstituted C3 to C30 hetero aromatic ring group, and s and t are independently an integer ranging from 0 to 3. 2. The monomer of claim 1 , wherein A 1 and A 2 are independently a benzene ring, or a C3 to C20 hetero aromatic ring with at least one carbon is replaced by at least one of nitrogen or sulfur, p and q are independently an integer ranging from 1 to 6, o and r are independently an integer ranging from 0 to 2, and R 1 and R 2 are independently hydrogen, a C1 to C20 alkyl group, a C1 to C10 alkoxy group, a C6 to C20 aryl group, a C2 to C20 heteroaryl group, a C7 to C20 arylalkyl group, a halogen, a nitro group, —CO—NR′R″ (wherein, R′ and R″ are independently hydrogen, a C1 to C30 alkyl group, a C6 to C30 aryl group, or a C7 to C30 arylalkyl group), or a group represented by Chemical Formula 2: wherein, in Chemical Formula 2, L 3 and L 4 are independently O, CO, COO, or CONH, A 3 and A 4 are independently a substituted or unsubstituted C6 to C20 aromatic ring group, or a substituted or unsubstituted C3 to C20 heteroaromatic ring group wherein at least one carbon is replaced by at least one of nitrogen and sulfur, and s and t are independently an integer ranging from 0 to 2, provided that 1≤s+t≤2. 3. The monomer of claim 1 , wherein A 1 and A 2 are independently selected from benzene, pyrazole, imidazole, thiazole, triazole, pyridine, pyridazine, pyrimidine, pyrazine, triazine, indazole, indolizine, benzimidazole, benzothiazole, benzothiophene, benzopurine, isoquinoline, or purine, p and q are independently 1 or 2, o and r are independently 0 or 1, and R 1 and R 2 are independently hydrogen, a C1 to C10 alkyl group, a C1 to C10 alkoxy group, a C6 to C10 aryl group, a halogen, a nitro group, —CO—NR′R″ (wherein, R′ and R″ are independently hydrogen, a C1 to C20 alkyl group, a C6 to C20 aryl group, or a C7 to C20 arylalkyl group), or a group represented by Chemical Formula 2: wherein, in Chemical Formula 2, L 3 and L 4 are independently COO, C≡C, or CONH, A 3 and A 4 are a substituted or unsubstituted benzene ring, and s and t are independently an integer ranging from 0 to 2, provided that 1≤s+t≤2. 4. The monomer of claim 1 , wherein the monomer represented by Chemical Formula 1 is represented by Chemical Formula 3: wherein, in Chemical Formula 3, L 1 , L 2 , A 1 , A 2 , R 1 , R 2 , o, p, q, and r are the same as defined in Chemical Formula 1. 5. The monomer of claim 4 , wherein A 1 and A 2 are independently a benzene ring, or a C3 to C20 hetero aromatic ring with at least one carbon is replaced by at least one of nitrogen or sulfur, p and q are independently an integer ranging from 1 to 6, o and r are independently an integer ranging from 0 to 2, and R 1 and R 2 are independently a C1 to C10 alkyl group, a C6 to C10 aryl group, a C1 to C10 alkoxy group, a hydroxyl group, a halogen, or a group represented by Chemical Formula 2: wherein, in Chemical Formula 2, L 3 and L 4 are independently O, CO, COO, C≡C, or CONH, A 3 and A 4 are independently a substituted or unsubstituted C6 to C20 aryl group or a substituted or unsubstituted C3 to C20 heteroaryl group wherein at least one carbon is replaced by at least one of nitrogen and sulfur, and s and t are independently an integer ranging from 0 to 2, provided that 1≤s+t≤2. 6. The monomer of claim 4 , wherein A 1 and A 2 are independently selected from benzene, pyrazole, imidazole, thiazole, triazole, pyridine, pyridazine, pyrimidine, pyrazine, triazine, indazole, indolizine, benzimidazole, benzothiazole, benzothiophene, benzopurine, isoquinoline, or purine, p and q are independently 1 or 2, o and r are independently 0 or 1, and R 1 and R 2 are independently hydrogen, a C1 to C10 alkyl group, a C1 to C10 alkoxy group, a C6 to C10 aryl group, a halogen, a nitro group, —CO—NR′R″ (wherein, R′ and R″ are independently hydrogen, a C1 to C20 alkyl group, a C6 to C20 aryl group, or a C7 to C20 arylalkyl group), or a group represented by Chemical Formula 2: wherein, in Chemical Formula 2, L 3 and L 4 are independently COO, C≡C,or CONH, A 3 and A 4 are a substituted or unsubstituted benzene ring, and s and t are independently an integer ranging from 0 to 2, provided that 1≤s+t≤2. 7. The monomer of claim 4 , wherein A 1 and A 2 are independently selected from benzene or benzothiazole, p and q are independently 1 or 2, o and r are independently 0 or 1, and R 1 and R 2 are independently hydrogen, an iso-propyl group, a t-butyl group, a fluorine group, a nitro group, a methoxy group, an ethoxy group, —CO—NR′R″ (wherein, R′ and R″ are independently hydrogen, a C1 to C10 alkyl group, or a C6 to C10 aryl group), or a group represented by Chemical Formula 2: wherein in Chemical Formula 2, L 3 and L 4 are independently COO, C≡C, or CONH, A 3 and A 4 are a substituted or unsubstituted benzene ring, and s and t are independently an integer ranging from 0 to 2, provided that 1≤s+t≤2.

Assignees

Inventors

Classifications

  • with amino and carboxyl groups bound in meta- or para- positions · CPC title

  • Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds · CPC title

  • Polyester-imides · CPC title

  • Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound · CPC title

  • Birefringent or phase retarding elements (G02B5/3008, G02B5/3016 take precedence; systems for polarisation control G02B27/286; manufacturing phase modulating patterns by lithographic processes G03F7/001) · CPC title

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Frequently asked questions

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What does patent US11518734B2 cover?
A monomer represented by Chemical Formula 1: wherein, in Chemical Formula 1, R 1 , R 2 , A 1 , A 2 , L 1 , L 2 , o, p, q, and r are the same as defined in the detailed description.
Who is the assignee on this patent?
Samsung Electronics Co Ltd
What technology area does this patent fall under?
Primary CPC classification C08G73/1067. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Dec 06 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).