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US 2017/0283616 A1Published application
Rhodamine derivatives dyes and uses thereof
AssigneeStoreDot Ltd.
InventorsEvgenia Liel KUKS, Rony Schwarz, Eran Sella, Mor Shmuel Armon, Daniel Szwarcman
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Abstract
This invention is directed to photoluminescent compounds based on rhodamine dyes with red-shifted absorption and emission maxima and uses thereof for photoluminescence based devices.
Claims24
A photoluminescent compound represented by the structure of formula (I):
- wherein
- R1 is COOZ, NO2, COR, COSR, or CN;
- R2 each is independently selected from H, halide, COR, CN, NCO, NCS and COOZ;
- R3 each is independently selected from H, halide, COR, CN, NCO, NCS, OR, SR, SO3H, SO3M and COOZ;
- R4-R16 and R4′-R16′ are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, NO2, OR, N(R)2, COR, CON(R)2, CO(N-heterocycle) and COOR;
- R is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, —(CH2CH2O)rCH2CH2OH,—(CH2)pOC(O)NH(CH2)qSi(Oalkyl)3, —(CH2)pOC(O)CH═CH2 or —(CH2)pSi(Oalkyl)3;
- Z is unsubstituted alkyl, or cycloalkyl, heterocycloalkyl, aryl, benzyl, —(CH2CH2O)rCH2CH2OH,—(CH2)pOC(O)NH(CH2)qSi(Oalkyl)3, —(CH2)pOC(O)CH═CH2 or —(CH2)pSi(Oalkyl)3;
- M is a monovalent cation;
- n and m are each independently an integer between 1-4;
- p and q is each independently an integer between 1-6;
- r is an integer between 0-10;
- and
- X is an anion;
- wherein if R2 and R3 are hydrogens (H), then R1 is not COOZ.
11 more elements
A photoluminescent compound represented by the structure of formula (VI):
- wherein
- Q1 each is independently selected from halide, haloalkyl, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COCl, COOCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQNO, SO2Q, SO2M, and SOQ;
- Q2 each is independently selected from halide, haloalkyl, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COCl, COOCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, NO, SO2Q, SO2M, and SOQ;
- Q3, Q3′, Q8, Q8′, Q10, Q10′, Q15, Q15′are each independently selected from alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, and COQ;
- Q4-Q7, Q9, Q9′, Q11-Q14, Q4′-Q7′, Q11′-Q14′are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, and COQ;
- Q is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, —(CH2CH2O)rCH2CH2OH,—(CH2)pOC(O)NH(CH2)qSi(Oalkyl)3, —(CH2)pOC(O)CH═CH2 or —(CH2)pSi(Oalkyl)3;
- M is a monovalent cation;
- s and t are independently an integer between 1-4;
- p and q are independently an integer between 1-6;
- r is an integer between 0-10;
- and
- X is an anion.
9 more elements
The photoluminescent device of claim 27 wherein said device is integrated in a display device.
Dependencies are inferred from the claim text.