# US 8,785,007 B2 · Pendant-type polymeric compound, color conversion film using pendant-type polymeric compound, and multicolor emission organic EL device

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- Number: US 8,785,007 B2
- Document ID: US8785007B2
- Status: Granted
- Kind: B2
- Application number: 13/496,847
- Filed: 2010-09-10
- Published: 2012-09-13
- Granted: 2014-07-22
- Earliest claimed: 2009-09-18
- Assignees: Adeka Corporation
- Applicants: Masaru Nagai; Mitsuhiro Okada; Koichi Shigeno
- Inventors: Masaru Nagai; Mitsuhiro Okada; Koichi Shigeno
- Web page: https://patentgrep.com/patent/US8785007B2

## CPC

- C08F 8/30: Introducing nitrogen atoms or nitrogen-containing groups
- C09D 125/18: Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
- H10K 59/38: comprising colour filters or colour changing media [CCM]
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

The present invention provides green and red conversion films capable of keeping a sufficient intensity of converted light over a long period, and a multicolor emission organic EL device which exhibits light-emitting properties stably over a long period. The present invention includes a pendant-type polymeric compound characterized in that the pendant-type polymeric compound contains at least one repeating unit represented by a general formula (1) and at least one repeating unit represented by a general formula (2), (6) or (7), wherein n/(m+n)=1/100 to 100/100 provided that the molar ratio of (1):(2), (6) or (7) is m:n.

## Claims

### Claim 1

A pendant-type polymeric compound characterized in that the pendant-type polymeric compound comprises:
at least one repeating unit represented by the following general formula (1) and at least one repeating unit represented by the following general formula (2), wherein
n/(m+n)=1/100 to 100/100 provided that a molar ratio of (1):(2) is m:n
wherein R1 and R2 each independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms which may have a substituent, an aryl group having 6 to 20 carbon atoms which may have a substituent, an arylalkyl group having 7 to 20 carbon atoms which may have a substituent, a heterocyclic group having 2 to 20 carbon atoms which may have a substituent, a (substituted) amino group, a halogen atom, a nitro group or a cyano group; X represents a direct bond or a linking group represented by any one of the following general formulas (3) to (5); p is a number of 1 to 5; q is a number of 1 to 4; a methylene group in the alkyl group having 1 to 10 carbon atoms or the arylalkyl group having 7 to 20 carbon atoms which may have a substituent represented by R1 and R2 may be interrupted by —O—, —S—, —CO—, —COO—, —OCO—, —SO2—, —NH—, —NR′—, —CONH—, —NHCO—, —CONR′—, —NR′CO—, —N═CH— or —CH═CH—; and R′ represents an alkyl group having 1 to 10 carbon atoms which may have a substituent, or an aryl group having 6 to 20 carbon atoms which may have a substituent
wherein R3, R4 and R5 each independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms which may have a substituent, an aryl group having 6 to 20 carbon atoms which may have a substituent, an arylalkyl group having 7 to 20 carbon atoms which may have a substituent, a heterocyclic group having 2 to 20 carbon atoms which may have a substituent, a (substituted) amino group, a halogen atom, a nitro group or a cyano group; Y represents a direct bond, —O—, —S—, —CO—, —COO—, —OCO—, —SO2—, —NH—, —NR′—, —CONH—, —NHCO—, —CONR′—, —NR′CO—, —N═CH—, —CH═CH—, an alkylene group having 1 to 20 carbon atoms which may have a substituent, a cycloalkylene group having 6 to 20 carbon atoms which may have a substituent, a cycloalkenylene group having 6 to 20 carbon atoms which may have a substituent, or an arylene group having 6 to 20 carbon atoms which may have a substituent; Z1, Z2 and Z3 each independently represent a direct bond, —O—, —S—, —CO—, —COO—, —OCO—, —SO2—, —NH—, —NR′—, —CONH—, —NHCO—, —N═CH—, —CH═CH—, an alkylene group having 1 to 20 carbon atoms which may have a substituent, a cycloalkylene group having 6 to 20 carbon atoms which may have a substituent, a cycloalkenylene group having 6 to 20 carbon atoms which may have a substituent, or an arylene group having 6 to 20 carbon atoms which may have a substituent; r, s and t are each independently a number of 1 to 4; a, b and d are each independently a number of 0 or 1; a methylene group in the alkyl group having 1 to 10 carbon atoms and the arylalkyl group having 7 to 20 carbon atoms which may have a substituent represented by R3, R4 and R5, and in the alkylene group having 1 to 20 carbon atoms represented by Z1, Z2 and Z3 may be interrupted by —O—, —S—, —CO—, —COO—, —OCO—, —SO2—, —NH—, —NR′—, —CONH—, —NHCO—, —CONR′—, —NR′CO—, —N═CH— or —CH═CH—; and R′ is as defined in the general formulas (1) and (2).

### Claim 2 (depends on 1)

The pendant-type polymeric compound according to claim 1, comprising:
at least one repeating unit represented by the general formula (1) and at least one repeating unit represented by the following general formula (6), wherein
n/(m+n)=1/100 to 100/100 provided that a molar ratio of (1):(6) is m:n

### Claim 3 (depends on 1)

The pendant-type polymeric compound according to claim 1, comprising:
at least one repeating unit represented by the general formula (1) and at least one repeating unit represented by the following general formula (7), wherein
n/(m+n)=1/100 to 100/100 provided that a molar ratio of (1):(7) is m:n
wherein Z3 and d are as defined in the general formula (5).

### Claim 4 (depends on 1)

A film comprising the pendant-type polymeric compound according to claim 1.

### Claim 5 (depends on 1)

A color conversion film comprising the pendant-type polymeric compound according to claim 1.

### Claim 6 (depends on 1)

A color conversion film characterized by comprising:
the pendant-type polymeric compound according to claim 1; and
a low-molecular-weight dye compound.

### Claim 7 (depends on 5)

A color-converting light-emitting device characterized by comprising:
an organic EL element; and
the color conversion film according to claim 5.