Metal complex and color conversion film comprising same

Patent metadata

Field	Value
Publication number	US-10112959-B2
Application number	US-201515529046-A
Country	US
Kind code	B2
Filing date	Oct 26, 2015
Priority date	Dec 29, 2014
Publication date	Oct 30, 2018
Grant date	Oct 30, 2018

Abstract

The present disclosure relates to a novel compound, a color conversion film, a backlight unit and a display device comprising the same.

First claim

The invention claimed is:

1. A compound of the following Chemical Formula 1:

wherein, in Chemical Formula 1,
at least one of R 1 to R 5 is selected from among the following structural formulae;

R 6 is hydrogen; a nitrile group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryl group; a substituted or unsubstituted alkylaryl group; or a substituted or unsubstituted aromatic or aliphatic heterocyclic group;
X 1 and X 2 are the same as or different from each other, and each independently F; a nitrile group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted arylalkoxy group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted aromatic or aliphatic heterocyclic group, or bond to each other to form an aromatic or aliphatic ring;
X 3 is a halogen group; a nitrile group; a carbonyl group; an ester group; an amide group; a sulfonate group; a substituted or unsubstituted alkyl group; a fluoroalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted silyl group; a substituted or unsubstituted phosphine oxide group; or a substituted or unsubstituted alkylaryl group;
Y 1 is CR 101 or N, Y 2 is CR 102 or N, Y 3 is CR 103 or N and Y 4 is CR 104 or N; and
groups of R 1 to R 5 that are not the above-mentioned structural formulae, R 8 to R 13 and R 101 to R 104 are the same as or different from each other, and each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a carbonyl group; an ester group; an imide group; an amide group; a sulfonate group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted arylphosphine group; a substituted or unsubstituted phosphine oxide group; a substituted or unsubstituted arylalkyl group; a substituted or unsubstituted alkylaryl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted aromatic or aliphatic heterocyclic group, and R 9 and R 10 bond to each other to form an aliphatic or aromatic ring, and R 12 and R 13 bond to each other to form an aliphatic or aromatic ring.

2. The compound of claim 1 , wherein R 1 to R 4 are the same as or different from each other, and each independently hydrogen, deuterium, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkylaryl group, a substituted or unsubstituted arylalkyl group, a substituted or unsubstituted aryl group, or one of the following structural formulae:

wherein definitions of R 8 to R 13 are the same as those described above.

3. The compound of claim 1 , wherein R 5 is hydrogen, deuterium, or one of the following structural formulae:

wherein definitions of R 8 to R 13 are the same as those described above.

4. The compound of claim 1 , wherein Y 1 to Y 4 are the same as or different from each other, and each independently CH, CF or N.

5. The compound of claim 1 , wherein the compound of Chemical Formula 1 has a maximum light emission peak present in 520 nm to 550 nm in a film state.

6. The compound of claim 1 , wherein the compound of Chemical Formula 1 has a maximum light emission peak present in 520 nm to 550 nm in a film state, and a half-width of the light emission peak is 50 nm or less.

7. The compound of claim 1 , wherein the compound of Chemical Formula 1 has a maximum light emission peak present in 610 nm to 650 nm in a film state.

8. The compound of claim 1 , wherein the compound of Chemical Formula 1 has a maximum light emission peak present in 610 nm to 650 nm in a film state, and a half-width of the light emission peak is 60 nm or less.

9. The compound of claim 1 , wherein the compound of Chemical Formula 1 has quantum efficiency of 0.9 or more.

10. The compound of claim 1 , wherein Chemical Formula 1 is selected from among the following structural formulae:

11. A color conversion film comprising:
a resin matrix; and
the compound of Chemical Formula 1 of claim 1 dispersed into the resin matrix.

12. A backlight unit comprising the color conversion film of claim 11 .

13. A display device comprising the backlight unit of claim 12 .

Assignees

• Lg Chemical Ltd

Inventors

• Lee Hoyong
• Koo Kichul
• Kang Minyoung
• Le Duy Hieu

Classifications

• C07F5/022 Primary

  without C-boron linkages · CPC title

• C07F5/02 Primary

  Boron compounds · CPC title

• C08K5/55

  Boron-containing compounds {(C08K5/0091 takes precedence)} · CPC title

• F21K9/64

  using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer · CPC title

• F21V9/30

  Elements containing photoluminescent material distinct from or spaced from the light source (shades F21V1/17; globes, bowls or cover glasses F21V3/08, F21V3/12; refractors F21V5/10; reflectors F21V7/26, F21V7/30; elements with provision for controlling the spectral properties or intensity F21V9/40) · CPC title