IP Library Granted Patent US 10,808,127
Granted Patent B2
US 10,808,127 · App. 15/841,347 · Granted Oct 20, 2020

Color conversion with solid matrix films and green rhodamines

Inventors: Evgenia Liel (Jeny) Kuks (Ramat-Gan, IL); Rony Schwarz (Kibbutz Ma'anit, IL); Eran Sella (Tel-Aviv, IL); Daniel Szwarcman (Pardes-Hanna Karkur, IL)
Assignee: MOLECULED LTD.
C09B11/24C09B11/22C09B69/103G03F7/0007G03F7/105
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,808,127
App. No.
15/841,347
Granted
Oct 20, 2020
Kind
B2
Abstract

This invention is directed to photoluminescent compounds based on rhodamine dyes with green emission and uses thereof for photoluminescence based devices.

Claims (25)

1. A fluorescent compound represented by the structure of formula (XI):

wherein

R 101 each is independently H, Q 101 , OQ 101 , C(O)Q 101 , NQ 101 Q 102 , NO 2 , CN, SQ 101 , —NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, —OC(O)OQ 101 or halide;

R 102 each is independently H, Q 101 , OQ 101 , C(O)Q 101 , NQ 101 Q 102 , NO 2 , CN, SQ 101 , —NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, —OC(O)OQ 101 or halide;

R 103 each is independently H, Q 101 , OQ 101 , C(O)Q 101 , NQ 101 Q 102 , NO 2 , CN, SQ 101 , —NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, —OC(O)OQ 101 or halide;

R 104 are R 104′ are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;

R 108 and R 108′ are each independently selected from H, haloalkyl, heterocycloalkyl, cycloalkyl, and benzyl;

R 105 and R 105′ are each independently selected from H, Z′, H, Z′, OQ 101 , C(O)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , NO 2 , CN, SO 3 − , SO 3 M, SO 3 H, SQ 101 , —NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;

R 106 , R 106′ , R 107 and R 107′ are each independently selected from H, Q 101 , OQ 101 , C(O)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , NO 2 , CN, SO 3 − , SO 3 M, SO 3 H, SQ 101 , —NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;

R 104 and R 105 , R 104′ and R 105′ , R 104 and R 108 or R 104′ and R 108′ may form together an N-heterocyclic ring wherein said ring is optionally substituted;

Q 101 and Q 102 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl, benzyl, —(CH 2 ) p OC(O)NH(CH 2 ) q Si(Oalkyl) 3 , —(CH 2 ) p OC(O)CH═CH 2 , —(CH 2 ) p OC(O)C(CH 3 )═CH 2 , —(CH 2 ) p Si(Oalkyl) 3 , —(CH 2 ) p OC(O)NH(CH 2 ) q Si(halide) 3 , —(CH 2 ) p Si(halide) 3 , —OC(O)N(H)Q 104 , —OC(S)N(H)Q 104 , —N(H)C(O)N(Q 103 ) 2 and —N(H)C(S)N(Q 103 ) 2 ;

Z 101 is O or C(CH 3 ) 2 ;

Z′ is selected from alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl, benzyl, —(CH 2 ) p OC(O)NH(CH 2 ) q Si(Oalkyl) 3 , —(CH 2 ) p OC(O)CH═CH 2 , —(CH 2 ) P OC(O)C(CH 3 )═CH 2 , —(CH 2 ) p Si(Oalkyl) 3 , —(CH 2 ) p OC(O)NH(CH 2 ) q Si(halide) 3 , —(CH 2 ) p Si(halide) 3 , OC(O)N(H)Q 104 , —OC(S)N(H)Q 104 , —N(H)C(O)N(Q 103 ) 2 and —N(H)C(S)N(Q 103 ) 2 ;

Q 103 and Q 104 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 Z 101 is C(CH 3 ) 2 then R 103 is each is independently selected from Q 101 , OQ 101 , C(O)Q 101 , NQ 101 Q 102 , NO 2 , CN, SQ 101 , —NQ 101 CONQ 103 Q 104 , NCO, NCS, —OC(O)OQ 101 or halide.

2. The fluorescent compound of claim 1 , wherein said compound is represented by the structure of formula (XII):

3. The fluorescent compound of claim 1 , wherein said compound is represented by the structure of formula (XIII):

4. The fluorescent compound of claim 1 , wherein said compound is represented by the structure of formula (XIV):

5. The fluorescent compound of claim 1 , wherein said compound is represented by the structure of formula (XV):

6. The fluorescent compound of claim 1 , wherein said compound is represented by the structure of formula (XVI):

7. The fluorescent compound of claim 1 , wherein said compound is represented by the structure of formula:

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2020
From: STOREDOT LTD.
To: MOLECULED LTD.
Reel/Frame 051421/0370 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2019
From: KUKS, EVGENIA LIEL (JENY); SCHWARZ, RONY; SELLA, ERAN; SZWARCMAN, DANIEL
To: STOREDOT LTD.
Reel/Frame 048763/0047 →
Continuity (10)
Division 15691776 · Aug 31, 2017
Continuation In Part 15252597 · Aug 31, 2016
Continuation In Part 15252492 · Aug 31, 2016
Continuation In Part 15353015 · Nov 16, 2016
Continuation In Part 15252597
Continuation In Part 15252492
Provisional Application 62255853 · Nov 16, 2015
Provisional Application 62255860 · Nov 16, 2015
Provisional Application 62255857 · Nov 16, 2015
Related Publication 20180105696A1 · Apr 19, 2018