Manufacturing method for display device, display device, manufacturing method for electronic apparatus, and electronic apparatus

Abstract

A bank section ( 112 a, 112 b ) are formed between a plurality of electrodes ( 111 ) which are formed on the base body ( 2 ). A functional layer is formed on each electrode ( 111 ) by injecting a composition from a plurality of nozzles. A display device is manufactured which is provided bank sections ( 112 a, 112 b ) between the functional layers formed on the electrode ( 111 ). A nozzle array in which a plurality of nozzles are disposed to be inclined in a main scanning direction scans on the base body ( 2 ). A liquid drop ( 110 c 1 ) of the composition which is injected initially for each functional layer is injected so as to contact at least a part of the bank sections ( 112 a, 112 b ). According to manufacturing method for a display device in the present invention, it is possible to realize a display device having superior display quality without causing non-uniform functional layer for each pixel electrode.

1 - 7 . (canceled)  
     
     
         8 . A method for manufacturing a display device using a manufacturing device, the display device having a base body, a plurality of electrodes formed on the base body, and a plurality of bank sections formed around the electrodes, the manufacturing device having a plurality of nozzles for ejecting first and second liquid drops corresponding to types of compounds for forming at least an active layer, the method comprising: 
 imparting liquid-affinity and liquid-repellency to the bank sections;    ejecting the first liquid drops onto the electrodes so that the ejected first liquid drops make contact with a part of the bank sections; and    ejecting the second liquid drops so that the ejected second liquid drops make contact with a part of the previously-ejected first liquid drops.    
     
     
         9 . The method according to  claim 8 , wherein the first liquid drops make contact with liquid-repellency sections of the bank sections.  
     
     
         10 . The method according to  claim 8 , wherein the second liquid drops contact the liquid-affinity sections of the bank sections.  
     
     
         11 . The method according to  claim 9 , further comprising: 
 forming the bank sections so as to include first bank sections having liquid-affinity and second bank sections having liquid-repellency; and    disposing the first bank sections so as to overlap a part of the electrodes.    
     
     
         12 . A method for manufacturing a display device using a manufacturing device, the display device having a base body, a plurality of electrodes formed on the base body, and a plurality of bank sections formed around the electrodes, the manufacturing device having a plurality of nozzles for ejecting first and second liquid drops corresponding to types of compounds for forming at least an active layer, the method comprising: 
 forming the bank sections so that the bank sections overlap a part of the electrodes;    imparting liquid-affinity to a part of the electrodes;    imparting liquid-repellency to at least a part of the bank sections;    forming at least the active layer on the electrodes by ejecting the liquid drops on the electrodes; and    forming counter electrodes on the active layer, wherein, the forming of the active layer comprises:    ejecting the first liquid drops onto the electrodes so that the ejected first liquid drops make contact with a part of the bank sections; and    ejecting the second liquid drops so that the ejected second liquid drops make contact with a part of the previously-ejected first liquid drops.    
     
     
         13 . The method according to  claim 12  wherein the bank sections include first bank layers having liquid-affinity and second bank layers having liquid-repellency, the first bank layers overlapping a part of the electrodes.  
     
     
         14 . The method according to  claim 13  wherein the active layer serves as at least a hole injection/transport layer.  
     
     
         15 . The method according to  claim 14  wherein the active layer serves as at least an illuminating layer.  
     
     
         16 . The method according to  claim 8 , wherein nozzle arrays, formed by the nozzles, scan the base body and eject the liquid drops, the nozzle arrays being inclined with respect to a scanning direction of the nozzle arrays.  
     
     
         17 . The method according to  claim 16 , wherein the active layer is formed by ejecting the liquid drops at least twice so that intervals between the ejected liquid drops are narrower than a diameter of the ejected liquid drop.  
     
     
         18 . The method according to  claim 17 , wherein the active layer is formed by a scanning movement of the nozzle arrays once.  
     
     
         19 . A method for manufacturing a display device using a manufacturing device, the display device having a base body, a plurality of electrodes formed on the base body, and a plurality of bank sections formed around the electrodes, the manufacturing device having a plurality of nozzles for ejecting first to third liquid drops corresponding to types of compounds for forming at least an active layer, the method comprising: 
 imparting liquid-affinity and liquid-repellency to the bank sections;    forming the active layer by ejecting the liquid drops at least twice;    ejecting the first liquid drops onto the electrodes so that the ejected first liquid drops make contact with a part of the bank sections;    ejecting the second liquid drops so that the ejected second liquid drops make contact with a part of the previously-ejected first liquid drops, intervals between the first liquid drops and the second liquid drops are greater than a diameter of the first liquid drops, or greater than a diameter of the second liquid drops; and    disposing the third liquid drops so that the ejected third liquid drops cover intervals between the first liquid drops and the second liquid drops.    
     
     
         20 . The method according to  claim 17 , wherein the active layer is formed by the scanning movement of the nozzle arrays at least twice.  
     
     
         21 . The method according to  claim 17 , wherein the active layer is formed by the scanning movement of the nozzle arrays while changing the nozzles corresponding to the type of active layer.  
     
     
         22 . The method according to  claim 21 , wherein the scanning movement of the nozzle arrays is shifted in a sub-scanning direction while changing the nozzles corresponding to the type of active layer.  
     
     
         23 . The display device manufactured by the method according to  claim 8 .  
     
     
         24 . A method for manufacturing an electronic apparatus, using a manufacturing device, the electronic apparatus having a display device and a driving circuit for driving the display device, the display device having a base body, a plurality of electrodes formed on the base body, and a plurality of bank sections formed around the electrodes, the manufacturing device having a plurality of nozzles for ejecting first and second liquid drops corresponding to types of compounds for forming at least an active layer, the method comprising: 
 imparting liquid-affinity and liquid-repellency to the bank sections;    ejecting the first liquid drops onto the electrodes so that the ejected first liquid drops make contact with at least a part of the bank sections; and    ejecting the second liquid drops so that the ejected second liquid drops make contact with a part of the previously-ejected first liquid drops.    
     
     
         25 . The method according to  claim 24  wherein the ejected liquid drops make contact with regions having the liquid-repellency.  
     
     
         26 . The method according to  claim 24  wherein the ejected liquid drops make contact with regions having the liquid-affinity.  
     
     
         27 . The method according to  claim 25 , further comprising: 
 forming the bank sections so that the bank sections have first bank sections having liquid-affinity and second bank sections having liquid-repellency; and    disposing the first bank sections so as to overlap a part of the electrodes.    
     
     
         28 . A method for manufacturing a display device and an electronic apparatus, using a manufacturing device, the display device having a base body, a plurality of electrodes formed on the base body, and a plurality of bank sections formed around the electrodes, the electronic apparatus having the display device and driving circuits for driving thereof, the manufacturing device having a plurality of nozzles for ejecting first and second liquid drops corresponding to types of compounds for forming at least an active layer, the method comprising: 
 forming the bank sections so that the bank sections overlap a part of the electrodes;    imparting liquid-affinity to at least the part of the electrodes;    imparting liquid-repellency to the part of the bank sections;    forming at least the active layer on the electrodes by ejecting the liquid drops on the electrodes; and    forming counter electrodes on the active layer, wherein, the forming of the active layer comprises:    ejecting the first liquid drops onto the electrodes so that the ejected first liquid drops make contact with at least a part of the bank sections; and    ejecting the second liquid drops so that the ejected second liquid drops make contact with a part of the previously-ejected first liquid drops.    
     
     
         29 . The method according to  claim 28 , further comprising: 
 forming the bank sections so that the bank sections include first bank sections having liquid-affinity and second bank sections having liquid-repellency; and    disposing the first bank sections so as to overlap the part of the electrodes.    
     
     
         30 . The method according to  claim 24 , wherein the active layer serves as at least a hole injection/transport layer.  
     
     
         31 . The method according to  claim 24 , wherein the active layer serves as at least an illuminating layer.  
     
     
         32 . The method according to  claim 24 , wherein nozzle arrays, formed by the nozzles, scan the base body and eject the liquid drops, the nozzle arrays being inclined with respect to a scanning direction of the nozzle arrays.  
     
     
         33 . The method according to  claim 24 , wherein the active layer is formed by ejecting the liquid drops at least twice so that intervals between the ejected liquid drops are narrower than a diameter of the ejected liquid drop.  
     
     
         34 . The method according to  claim 33 , wherein the active layers are formed by the scanning movement of the nozzle arrays once.  
     
     
         35 . A method for manufacturing an electronic apparatus, using a manufacturing device, the electronic apparatus having a display device and a driving circuit for driving the display device, the display device having a base body, a plurality of electrodes formed on the base body, and a plurality of bank sections formed around the electrodes, the manufacturing device having a plurality of nozzles for ejecting first to third liquid drops corresponding to types of compounds for forming at least an active layer, the method comprising: 
 imparting liquid-affinity and liquid-repellency to the bank sections;    forming the active layer by ejecting the liquid drops at least twice;    ejecting the first liquid drops onto the electrodes so that the ejected first liquid drops make contact with a part of the bank sections;    ejecting the second liquid drops so that the ejected second liquid drops make contact with a part of the previously-ejected first liquid drops, intervals between the first liquid drops and the second liquid drops are greater than a diameter of the first liquid drops, or greater than a diameter of the second liquid drops; and    ejecting the third liquid drops so that the ejected third liquid drops cover intervals between the first liquid drops and the second liquid drops.    
     
     
         36 . The method according to  claim 35 , wherein the active layers are formed by the scanning of the nozzle arrays at least twice.  
     
     
         37 . The method according to  claim 33 , wherein the active layers are formed by the scanning movement of the nozzle arrays while changing the nozzles corresponding to the type of active layer.  
     
     
         38 . The method according to  claim 37 , wherein the scanning movement of the nozzle arrays is shifted in a sub-scanning direction while changing the nozzles corresponding to the type of active layer.  
     
     
         39 . The electronic apparatus manufactured by the method according to  claim 24.