Patent application number | Description | Published |
20090108741 | ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL display device includes a first organic EL element which emits light of a first color and a second organic EL element which emits light of a second color that differs from the first color, the first organic EL element and the second organic EL element being arranged on a substrate, wherein each of the first organic EL element and the second organic EL element includes a first electrode, a second electrode which is opposed to the first electrode, and an organic layer which is interposed between the first electrode and the second electrode, the organic layer of the first organic EL element and the organic layer of the second organic EL element are formed of an identical material, and a light emission function of the first color is substantially lost in the organic layer of the second organic EL element. | 04-30-2009 |
20090243466 | ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL display device includes a first light emission layer which includes a first dopant material having a first absorbance peak in absorbance spectrum characteristics and a first host material having a first absorbance bottom on a shorter wavelength side than the first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above pixel electrodes of the first to third organic EL elements, and a second light emission layer which includes a second dopant material having a second absorbance peak in absorbance spectrum characteristics and a second host material having a second absorbance bottom on a shorter wavelength side than the first absorbance peak and than the second absorbance peak, the second light emission layer extending over the first to third organic EL elements and being disposed above the first light emission layer. | 10-01-2009 |
20100078629 | ORGANIC EL DISPLAY DEVICE - An organic EL display device includes a pixel electrode which is disposed in each of first to third organic EL elements, a first light emission layer which includes a first dopant material having a first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above the pixel electrode, a second light emission layer which includes a second dopant material having a second absorbance peak and is disposed above the first light emission layer, a third light emission layer which is disposed above the second light emission layer, a counter-electrode which is disposed above the third light emission layer, and a hole transport layer which is formed of a material having an absorbance bottom on a shorter wavelength side than the first absorbance peak and the second absorbance peak in absorbance spectrum characteristics of the hole transport layer. | 04-01-2010 |
20100176412 | ORGANIC EL DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL device includes an insulative film, a first pixel electrode and a second pixel electrode which are disposed on the insulative film, a first light emission layer which is commonly disposed above the first pixel electrode and the second pixel electrode, a second light emission layer which is disposed above the first light emission layer, a counter-electrode which is disposed above the second light emission layer, and an exciton block layer which is disposed between the first light emission layer and the second light emission layer. | 07-15-2010 |
20110089816 | ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL display device includes a first light emission layer which includes a first dopant material having a first absorbance peak in absorbance spectrum characteristics and a first host material having a first absorbance bottom on a shorter wavelength side than the first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above pixel electrodes of the first to third organic EL elements, and a second light emission layer which includes a second dopant material having a second absorbance peak in absorbance spectrum characteristics and a second host material having a second absorbance bottom on a shorter wavelength side than the first absorbance peak and than the second absorbance peak, the second light emission layer extending over the first to third organic EL elements and being disposed above the first light emission layer. | 04-21-2011 |
20110108812 | ORGANIC EL DEVICE - According to one embodiment, an organic EL device includes an insulating substrate, switching elements arranged two-dimensionally above the insulating substrate, an insulating layer positioned above the switching elements and provided with contact holes communicating with the switching elements, respectively, pixel electrodes arranged correspondingly with the switching elements, cover members arranged correspondingly with the contact holes, an organic layer extending over the pixel electrodes, the cover members and a portion of the insulating layer positioned below a region between the pixel electrodes, and a counter electrode positioned above the organic layer. Each pixel electrode includes an electrode body positioned above the insulating layer and a contact section extending in the contact hole and electrically connects the electrode body to the switching element. Each cover member covers the contact section and is made of an insulating material. | 05-12-2011 |
20110121719 | ORGANIC EL DEVICE AND MANUFACTURING METHOD THEREOF - According to one embodiment, an organic EL device includes an insulative substrate, a switching element above the insulative substrate, an insulation film above the switching element and includes a contact hole reaching the switching element, a pixel electrode above the insulation film and includes a contact portion extending into the contact hole and electrically connected to the switching element, an organic layer extending over the pixel electrode including the contact portion, and extending over the insulation film in a vicinity of the pixel electrode, and a counter-electrode above the organic layer. | 05-26-2011 |
20110198630 | ORGANIC EL DEVICE - According to one embodiment, an organic EL device includes an insulating substrate, first and second interlayer insulators, pixel electrodes, an organic layer, and a counter electrode. The first interlayer insulator is positioned above the insulating substrate. The second interlayer insulator is positioned on the first interlayer insulator and provided with slits. The pixel electrodes are arranged on the second interlayer insulator. Two or more of the pixels are adjacent to each other with one of regions corresponding to the slits interposed therebetween. The organic layer is positioned on the pixel electrodes and includes an emitting layer. The counter electrode is positioned above the organic layer. | 08-18-2011 |
20110315970 | ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL display device includes a first organic EL element which emits light of a first color and a second organic EL element which emits light of a second color that differs from the first color, the first organic EL element and the second organic EL element being arranged on a substrate, wherein each of the first organic EL element and the second organic EL element includes a first electrode, a second electrode which is opposed to the first electrode, and an organic layer which is interposed between the first electrode and the second electrode, the organic layer of the first organic EL element and the organic layer of the second organic EL element are formed of an identical material, and a light emission function of the first color is substantially lost in the organic layer of the second organic EL element. | 12-29-2011 |
20120107986 | ORGANIC EL DISPLAY DEVICE - An organic EL display device includes a pixel electrode which is disposed in each of first to third organic EL elements, a first light emission layer which includes a first dopant material having a first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above the pixel electrode, a second light emission layer which includes a second dopant material having a second absorbance peak and is disposed above the first light emission layer, a third light emission layer which is disposed above the second light emission layer, a counter-electrode which is disposed above the third light emission layer, and a hole transport layer which is formed of a material having an absorbance bottom on a shorter wavelength side than the first absorbance peak and the second absorbance peak in absorbance spectrum characteristics of the hole transport layer. | 05-03-2012 |