Back to results
US 12,001,141 B2Granted
Photopolymer composition
AssigneesLG Chem, Ltd., Korea Advanced Institute of Science and Technology
InventorsHeon Kim, Yoosik Kim, Raisa Kharbash, Se Hyun Kwon, Yeongrae Chang, Seokhoon Jang
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a photopolymer composition, and more particularly, to a compound having a novel structure, a photopolymer composition including the compound as a dye, a hologram recording medium produced from the photopolymer composition, an optical element including the hologram recording medium, and a holographic recording method using the photopolymer composition.
Claims15
A photopolymer composition comprising:
- a polymer matrix or a precursor thereof;
- a dye including a compound represented by Chemical Formula 1;
- a photoreactive monomer;
- and
- a photoinitiator:
- in the Chemical Formula 1,
- X is silicon (Si),
- Z1 and Z2 are identical to or different from each other, and each is nitrogen (N) or phosphorus (P),
- R1 to R12 are identical to or different from each other, and each is hydrogen, an alkyl group having 1 to 20 carbon atoms;
- a halogen group;
- a nitrile group;
- a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms;
- a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms;
- or a substituted or unsubstituted aryl group having 6 to 20 carbon atoms,
- n and m are each 0 or 1,
- An− is an anion,
- Ar1 is an aromatic divalent functional group having 6 to 30 carbon atoms unsubstituted or substituted with one or more functional groups selected from the group consisting of an alkyl group having 1 to 20 carbon atoms;
- a halogen group;
- a nitrile group;
- an alkoxy group having 1 to 20 carbon atoms;
- an aryloxy group having 6 to 20 carbon atoms and an aryl group having 6 to 20 carbon atoms, and
- Y1 is a functional group represented by Chemical Formula 2,
- wherein, in the Chemical Formula 2,
- Y2 is an ether group or an ester, and
- Ar2 is an aromatic functional group having 6 to 20 carbon atoms substituted with one or more halogen groups.
22 more elements
Dependencies are inferred from the claim text.