JP2007288074A5 - - Google Patents

Claims (15)

Comprising at least one set of electrodes and a plurality of functional layers formed between the electrodes;
The functional layer is a layer having a light emitting function made of at least one organic semiconductor;
An organic electroluminescent device comprising a transition metal oxide layer having a thickness of at least 30 nm. The organic electroluminescent device according to claim 1,
The transition metal oxide layer is an organic electroluminescent device having a specific resistance of 100,000 ohm / cm ² or more. The organic electroluminescent device according to claim 1,
At least one of the at least one set of electrodes is formed on the surface of the light-transmitting substrate, the transition metal oxide layer is formed on the electrode, and a layer having a light emitting function is disposed thereon. Organic electroluminescent device. The organic electroluminescent device according to claim 3, wherein
An organic electroluminescent device comprising a buffer layer between the transition metal oxide layer and the layer having a light emitting function. The organic electroluminescent device according to claim 4, wherein
The organic electroluminescent device, wherein the buffer layer is an electron block layer.   An organic electroluminescent device according to any one of claims 1 to 5,
  A pixel regulation layer is provided between the electrode and the layer having the light emitting function,
  An organic electroluminescent element that defines a light emission region.   The organic electroluminescent device according to claim 6,
  An organic electroluminescent element in which the pixel regulating layer is an insulating film.   The organic electroluminescent device according to claim 6 or 7, wherein
  An organic electroluminescent device in which the entire surface of the pixel regulating layer is covered with a transition metal oxide layer, and a layer having a light emitting function is formed thereon.   An organic electroluminescent device according to any one of claims 6 to 8,
  An organic electroluminescent element in which the transition metal oxide layer is formed below the pixel regulating layer, and the transition metal oxide layer is in contact with the functional layer only in a light emitting region.   The organic electroluminescent device according to claim 6,
  An organic electroluminescent element having a film thickness of the pixel regulating layer of 20 nm to 100 nm.   A display device in which the organic electroluminescent elements according to claim 1 are two-dimensionally arranged.   An exposure apparatus in which the organic electroluminescent elements according to any one of claims 1 to 10 are arranged in a line to constitute a light emitting unit.   It is a manufacturing method of the organic electroluminescent element according to any one of claims 1 to 10,
  Forming a transition metal oxide layer having a thickness of 30 nm or more on the substrate surface on which one electrode of the set of electrodes is formed;
  And a step of forming a layer having a light emitting function by an ink jet method on the organic electroluminescent element.   It is a manufacturing method of the organic electroluminescent element according to claim 13,
  A method for producing an organic electroluminescent element, comprising a step of forming a pixel regulating layer prior to formation of a transition metal oxide layer, wherein a layer having a light emitting function is formed on the transition metal oxide layer.   It is a manufacturing method of the organic electroluminescent element according to claim 13,
  An organic electroluminescence including a step of forming a pixel regulating layer after the formation of the transition metal oxide layer and forming a layer having a light emitting function on the transition metal oxide layer on which the pixel regulating layer is formed. A manufacturing method of a cent element.