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US 10,808,127 B2Granted
Color conversion with solid matrix films and green rhodamines
AssigneeMoleculed Ltd.
InventorsEvgenia Liel (Jeny) Kuks, Rony Schwarz, Eran Sella, Daniel Szwarcman
Life of this patent
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Abstract
This invention is directed to photoluminescent compounds based on rhodamine dyes with green emission and uses thereof for photoluminescence based devices.
Claims7
A fluorescent compound represented by the structure of formula (XI):
- wherein
- R101 each is independently H, Q101, OQ101, C(O)Q101, NQ101Q102, NO2, CN, SQ101, —NQ101Q102CONQ103Q104, NCO, NCS, —OC(O)OQ101 or halide;
- R102 each is independently H, Q101, OQ101, C(O)Q101, NQ101Q102, NO2, CN, SQ101, —NQ101Q102CONQ103Q104, NCO, NCS, —OC(O)OQ101 or halide;
- R103 each is independently H, Q101, OQ101, C(O)Q101, NQ101Q102, NO2, CN, SQ101, —NQ101Q102CONQ103Q104, NCO, NCS, —OC(O)OQ101 or halide;
- R104 are R104′ are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
- R108 and R108′ are each independently selected from H, haloalkyl, heterocycloalkyl, cycloalkyl, and benzyl;
- R105 and R105′ are each independently selected from H, Z′, H, Z′, OQ101, C(O)Q101, COOQ101, CON(Q101)2, NQ101Q102, NO2, CN, SO3−, SO3M, SO3H, SQ101, —NQ101Q102CONQ103Q104, NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
- R106, R106′, R107 and R107′ are each independently selected from H, Q101, OQ101, C(O)Q101, COOQ101, CON(Q101)2, NQ101Q102, NO2, CN, SO3−, SO3M, SO3H, SQ101, —NQ101Q102CONQ103Q104, NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
- R104 and R105, R104′ and R105′, R104 and R108 or R104′ and R108′ may form together an N-heterocyclic ring wherein said ring is optionally substituted;
- Q101 and Q102 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl, benzyl, —(CH2)pOC(O)NH(CH2)qSi(Oalkyl)3, —(CH2)pOC(O)CH═CH2, —(CH2)pOC(O)C(CH3)═CH2, —(CH2)pSi(Oalkyl)3, —(CH2)pOC(O)NH(CH2)qSi(halide)3, —(CH2)pSi(halide)3, —OC(O)N(H)Q104, —OC(S)N(H)Q104, —N(H)C(O)N(Q103)2 and —N(H)C(S)N(Q103)2;
- Z101 is O or C(CH3)2;
- Z′ is selected from alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl, benzyl, —(CH2)pOC(O)NH(CH2)qSi(Oalkyl)3, —(CH2)pOC(O)CH═CH2, —(CH2)POC(O)C(CH3)═CH2, —(CH2)pSi(Oalkyl)3, —(CH2)pOC(O)NH(CH2)qSi(halide)3, —(CH2)pSi(halide)3, OC(O)N(H)Q104, —OC(S)N(H)Q104, —N(H)C(O)N(Q103)2 and —N(H)C(S)N(Q103)2;
- Q103 and Q104 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
- M is a monovalent cation;
- n, m and l are independently an integer between 1-5;
- p and q are independently an integer between 1-6;
- and
- X is an anion
- wherein if Z101 is C(CH3)2 then R103 is each is independently selected from Q101, OQ101, C(O)Q101, NQ101Q102, NO2, CN, SQ101, —NQ101CONQ103Q104, NCO, NCS, —OC(O)OQ101 or halide.
16 more elements
Dependencies are inferred from the claim text.