Quinoxaline Derivative, And Light Emitting Element, Light Emitting Device, And Electronic Device Using the Quinoxaline Derivative

Abstract

To provide a new bipolar organic compound. In particular, to provide a bipolar organic compound having excellent heat resistance and to provide a bipolar organic compound which is electrochemically stable. Further, to provide a light emitting element and a light emitting device of which a driving voltage and power consumption are reduced by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have excellent heat resistance by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have a long life by using a new bipolar organic compound.

1 . A quinoxaline derivative represented by the general formula (1): 
     
       
         
         
             
             
         
       
       wherein R 1  to R 4  may be the same or different and each represent any one of a hydrogen atom, an alkyl group of carbon number 1 to 4, and an aryl group of carbon number 6 to 25; 
       R 1 , R 2 , and R 3  may bond to R 2 , R 3 , and R 4 , respectively, to form a condensed ring; Ar 1  represents an arylene group of carbon number 6 to 25 and Ar 2  and Ar 3  may be the same or different and each represent an arylene group of carbon number 6 to 25; and Ar 1  and Ar 2  may bond to Ar 2  and Ar 3 , respectively. 
     
   
   
       2 . A quinoxaline derivative represented by the general formula (2): 
     
       
         
         
             
             
         
       
       wherein R 5  to R 18  may be the same or different and each represent any one of a hydrogen atom, an alkyl group of carbon number 1 to 4, and an aryl group of carbon number 6 to 15; 
       and R 5 , R 6 , R 7 , R 8 , R 10 , R 11 , R 12 , R 13 , R 15 , and R 17  may bond to R 6 , R 7 , R 8 , R 9 , R 11 , R 12 , R 13 , R 14 , R 16 , and R 18 , respectively, to form a condensed ring. 
     
   
   
       3 . A quinoxaline derivative represented by the general formula (3): 
     
       
         
         
             
             
         
       
       wherein R 19  to R 24  may be the same or different and each represent any one of a hydrogen atom, an alkyl group of carbon number 1 to 4, and an aryl group of carbon number 6 to 15; 
       and R 19 , R 20 , R 21 , and R 22  may bond to R 20 , R 21 , R 22 , and R 23 , respectively, to form a condensed ring. 
     
   
   
       4 . A quinoxaline derivative represented by the general formula (4): 
     
       
         
         
             
             
         
       
       wherein R 25  to R 30  may be the same or different and each represent any one of a hydrogen atom, an alkyl group of carbon number 1 to 4, and an aryl group of carbon number 6 to 15; 
       and R 25  and R 27  may bond to R 26  and R 28 , respectively, to form a condensed ring. 
     
   
   
       5 . A quinoxaline derivative represented by the structural formula (11). 
     
       
         
         
             
             
         
       
     
   
   
       6 . A quinoxaline derivative represented by the structural formula (12). 
     
       
         
         
             
             
         
       
     
   
   
       7 . A quinoxaline derivative represented by the structural formula (13). 
     
       
         
         
             
             
         
       
     
   
   
       8 . A light emitting element wherein the quinoxaline derivative according to  claim 1  is included between a pair of electrodes. 
   
   
       9 . A light emitting element wherein the quinoxaline derivative according to  claim 2  is included between a pair of electrodes. 
   
   
       10 . A light emitting element wherein the quinoxaline derivative according to  claim 3  is included between a pair of electrodes. 
   
   
       11 . A light emitting element wherein the quinoxaline derivative according to  claim 4  is included between a pair of electrodes. 
   
   
       12 . A light emitting element wherein the quinoxaline derivative according to  claim 5  is included between a pair of electrodes. 
   
   
       13 . A light emitting element wherein the quinoxaline derivative according to claim  6  is included between a pair of electrodes. 
   
   
       14 . A light emitting element wherein the quinoxaline derivative according to  claim 7  is included between a pair of electrodes. 
   
   
       15 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 1 . 
   
   
       16 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 2 . 
   
   
       17 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 3 . 
   
   
       18 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 4 . 
   
   
       19 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 5 . 
   
   
       20 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 6 . 
   
   
       21 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 7 . 
   
   
       22 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 1  and a fluorescent material. 
   
   
       23 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 2  and a fluorescent material. 
   
   
       24 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 3  and a fluorescent material. 
   
   
       25 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 4  and a fluorescent material. 
   
   
       26 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 5  and a fluorescent material. 
   
   
       27 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 6  and a fluorescent material. 
   
   
       28 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 7  and a fluorescent material. 
   
   
       29 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 1  and a phosphorescent material. 
   
   
       30 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 2  and a phosphorescent material. 
   
   
       31 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 3  and a phosphorescent material. 
   
   
       32 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 4  and a phosphorescent material. 
   
   
       33 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 5  and a phosphorescent material. 
   
   
       34 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 6  and a phosphorescent material. 
   
   
       35 . A light emitting element wherein a light emitting layer is included between a pair of electrodes and the light emitting layer contains the quinoxaline derivative according to  claim 7  and a phosphorescent material. 
   
   
       36 . A light emitting element according to  claim 29 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       37 . A light emitting element according to  claim 30 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       38 . A light emitting element according to  claim 31 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       39 . A light emitting element according to  claim 32 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       40 . A light emitting element according to  claim 33 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       41 . A light emitting element according to  claim 34 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       42 . A light emitting element according to  claim 35 , wherein a light emission spectrum of the phosphorescent material have a peak at 560 nm or more and 700 nm or less. 
   
   
       43 . A light emitting device comprising the light emitting element according to  claim 8  and a control means for controlling light emission of the light emitting element. 
   
   
       44 . A light emitting device comprising the light emitting element according to  claim 9  and a control means for controlling light emission of the light emitting element. 
   
   
       45 . A light emitting device comprising the light emitting element according to  claim 10  and a control means for controlling light emission of the light emitting element. 
   
   
       46 . A light emitting device comprising the light emitting element according to  claim 11  and a control means for controlling light emission of the light emitting element. 
   
   
       47 . A light emitting device comprising the light emitting element according to  claim 12  and a control means for controlling light emission of the light emitting element. 
   
   
       48 . A light emitting device comprising the light emitting element according to  claim 13  and a control means for controlling light emission of the light emitting element. 
   
   
       49 . A light emitting device comprising the light emitting element according to  claim 14  and a control means for controlling light emission of the light emitting element. 
   
   
       50 . An electronic device comprising the light emitting element according to  claim 8  and a control means for controlling light emission of the light emitting element. 
   
   
       51 . An electronic device comprising the light emitting element according to  claim 9  and a control means for controlling light emission of the light emitting element. 
   
   
       52 . An electronic device comprising the light emitting element according to  claim 10  and a control means for controlling light emission of the light emitting element. 
   
   
       53 . An electronic device comprising the light emitting element according to  claim 11  and a control means for controlling light emission of the light emitting element. 
   
   
       54 . An electronic device comprising the light emitting element according to  claim 12  and a control means for controlling light emission of the light emitting element. 
   
   
       55 . An electronic device comprising the light emitting element according to  claim 13  and a control means for controlling light emission of the light emitting element. 
   
   
       56 . An electronic device comprising the light emitting element according to  claim 14  and a control means for controlling light emission of the light emitting element. 
   
   
       57 . An electronic device comprising the light emitting element according to  claim 8 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device. 
   
   
       58 . An electronic device comprising the light emitting element according to  claim 9 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device. 
   
   
       59 . An electronic device comprising the light emitting element according to  claim 10 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device. 
   
   
       60 . An electronic device comprising the light emitting element according to claim  11 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device. 
   
   
       61 . An electronic device comprising the light emitting element according to  claim 12 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device. 
   
   
       62 . An electronic device comprising the light emitting element according to  claim 13 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device. 
   
   
       63 . An electronic device comprising the light emitting element according to  claim 14 , wherein the electronic device is one selected from the group consisting of a television device, a computer, a mobile phone, a camera, a liquid crystal display device, a table lamp, and an indoor lighting device.