US2015221880A1PendingUtilityA1

Electroluminescent device with quinazoline complex emitter

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Assignee: GLOBAL OLED TECHNOLOGY LLCPriority: Sep 20, 2004Filed: Apr 17, 2015Published: Aug 6, 2015
Est. expirySep 20, 2024(expired)· nominal 20-yr term from priority
Inventors:Joseph C. DeatonBarbara B. Lussier
H10K 85/342H05B 33/14H01L 51/0084H01L 51/0085H01L 51/5221C07F 15/0033C07F 15/0073C09K 2211/185C09K 2211/1044C09K 11/06H10K 2102/103H10K 50/171H10K 50/17H10K 2101/40H10K 50/18H10K 2101/10H10K 50/81H10K 50/165H10K 85/341H10K 50/155H10K 50/82H10K 50/11
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Claims

Abstract

An OLED device comprises a cathode, an anode, and located therebetween a light-emitting layer containing a host material and a tris-ĈN-cyclometallated complex of Ir or Rh wherein at least one of the ligands comprises a substituted quinazoline moiety. The device provides useful emission and stability attributes.

Claims

exact text as granted — not AI-modified
We claim: 
     
         1 . An OLED device comprising a cathode, an anode, and located therebetween a light-emitting layer containing
 a) a tris-ĈN-cyclometallated complex represented by Formula (2c)   
       
         
           
           
               
               
           
         
         wherein:
 each d 1  represents an independently selected substituent and s is 0-4; 
 each d 2  represents an independently selected substituent and t is 0-4; and 
 d 3  represents hydrogen or a substituent; 
 
         b) an electron-transporting host material, and 
         c) a hole-transporting host material. 
       
     
     
         2 . The OLED device of  claim 1 , wherein the electron-transporting host is a complex represented by Formula (PH-10) 
       
         
           
           
               
               
           
         
       
     
     
         3 . The OLED device of  claim 1 , wherein the hole-transporting host is N,N′-di-1-naphthalenyl-N,N′-diphenyl-4,4′-diaminobiphenyl. 
     
     
         4 . The OLED device of  claim 1 , wherein the tris-ĈN-cyclometallated complex is 
       
         
           
           
               
               
           
         
       
     
     
         5 . A tris-ĈN-cyclometallated complex represented by Formula (2c) 
       
         
           
           
               
               
           
         
         wherein:
 each d 1  represents an independently selected substituent and s is 0-4; 
 each d 2  represents an independently selected substituent and t is 0-4; and 
 d 3  represents hydrogen or a substituent. 
 
       
     
     
         6 . The tris-ĈN-cyclometallated complex

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