Patent application number | Description | Published |
20080211392 | METHOD OF MANUFACTURING ORGANIC EL ELEMENT - An organic EL element includes a light-transmitting cathode, an emitting layer, and an anode facing the cathode with the emitting layer interposed therebetween and including a light-reflecting metal material layer and a carbon layer interposed between the metal material layer and the emitting layer. | 09-04-2008 |
20090108742 | DISPLAY DEVICE - An organic EL element includes an anode, a cathode disposed to be opposed to the anode, an organic active layer disposed between the anode and the cathode, and a carrier injection adjusting layer which is disposed between the anode and the organic active layer and exhibits such varistor characteristics that a conduction current due to an applied voltage varies. | 04-30-2009 |
20090267101 | DISPLAY INCLUDING LIGHT EMITTING ELEMENT, BEAM CONDENSING ELEMENT AND DIFFUSING ELEMENT - A display includes pixels each of which contains a light emitting element and which are arranged in a matrix form, a light transmitting insulating layer which includes a back surface facing the light emitting element and a front surface as a light output surface, a beam-condensing element which is arranged on a back side of the insulating layer and increases a directivity of light emitted by the light emitting element to make the light incident on the insulating layer, and a diffusing element which is arranged on a front side of the insulating layer, diffuses light from the insulating layer, and output the diffused light to an external environment. | 10-29-2009 |
20100044690 | ORGANIC EL DISPLAY DEVICE - An organic EL display device includes a first organic EL element which includes a first organic layer including a first light emission layer which emits the color of light in the first wavelength range and a hole blocking layer between a pixel electrode and a counter-electrode, a second organic EL element which includes a second organic layer including a second light emission layer which emits the color of light in the first wavelength range between a pixel electrode and the counter-electrode, the second organic EL element being thinner than the first organic EL element, and a third organic EL element which includes a third organic layer including the third light emission layer which emits the color of light in the first wavelength range between a pixel electrode and the counter-electrode, the third organic EL element being thicker than the first organic EL element. | 02-25-2010 |
20100327268 | ORGANIC EL DEVICE AND MANUFACTURING METHOD THEREOF - According to one embodiment, an organic EL device includes a pixel electrode, an organic layer disposed above the pixel electrode, a counter-electrode disposed above the organic layer, and an oxide layer disposed between the pixel electrode and the organic layer, the oxide layer including a first region formed with a first film thickness over a first area and a second region formed with a second film thickness which is less than the first film thickness, over a second area which is less than the first area. | 12-30-2010 |
Patent application number | Description | Published |
20140009918 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING FIXTURE, AND FOOD STORAGE DEVICE - The object of the present invention is to provide an organic electroluminescent element suitable for both food lighting at a low temperature and indoor lighting at room temperature. The organic electroluminescent element according to the present invention has such characteristics that a maximum of a general color rendering index Ra in a range of an element temperature of 5° C. to 60° C. is present in a range of the element temperature of 15° C. to 35° C. and that at least one of maxima of special color rendering indexes R | 01-09-2014 |
20140014933 | ORGANIC ELECTROLUMINESCENT ELEMENT AND LIGHTING FIXTURE - The objective of the present invention is to propose an organic electroluminescent element capable of realizing lighting with which a person feels comfortable irrespective of change in luminance of emitted light. The organic electroluminescent element according to the present invention is constituted by a plurality of layers stacked. The organic electroluminescent element has such characteristics that, in a range of 100 cd/m | 01-16-2014 |
20140016308 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING FIXTURE, AND FOOD STORAGE DEVICE - The object of the present invention is to provide an organic electroluminescent element that suitable for food lighting and indoor lighting at room temperature. The emission spectrum of light emitted from the organic electroluminescent element according to the present invention has peaks in red, green, and blue regions, respectively. Of the proportions of the maximum to the minimum of the intensity of the peak in the red, green, and blue regions at an element temperature in a range of 5° C. to 60° C., the proportion of the maximum to the minimum of the intensity of the peak in the green region is the highest, and the intensity of the peak in the green region decreases with an increase in the element temperature. | 01-16-2014 |
20140022769 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING FIXTURE, AND FOOD STORAGE DEVICE - The object of the present invention is to provide an organic electroluminescent element suitable for both food lighting at a high temperature and indoor lighting at room temperature. The organic electroluminescent element according to the present invention has such characteristics that: an element temperature at which a general color rendering index Ra has its maximum in an element temperature range of 5° C. to 60° C. is present in a range of 15° C. to 35° C.; and an element temperature at which at least one of a color rendering index R8 a special color rendering index R9, a special color rendering index R14, and a special color rendering index R15 has its maximum in the element temperature range of 5° C. to 60° C. is in a range of temperatures higher than the element temperature at which the general color rendering index Ra has its maximum. | 01-23-2014 |
20140203273 | ORGANIC ELECTROLUMINESCENCE ELEMENT - The present invention relates to an organic electroluminescence element including a transparent electrode, a light-reflective electrode, and an organic layer including a light-emitting layer and being between the transparent electrode and the light-reflective electrode. The organic layer includes a scattering layer for scattering light from the light-emitting layer. A standing wave results from interference of the light from the light-emitting layer. A center position of a thickness of the scattering layer is at a particular position. A maximum intensity of the standing wave at the particular position is 80% or more of a peak value of an intensity of the standing wave. | 07-24-2014 |
20150028314 | ORGANIC ELECTROLUMINESCENT LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - Provided is an organic electroluminescent light emitting device that can prevent moisture and/or oxygen permeation to thereby suppress degradation and that has increased light extraction efficiency. The organic electroluminescent light emitting device includes an organic electroluminescent element including an optically transparent first electrode, a light emitting function layer composed of two or more layers including a light emitting layer, and a second electrode, which are stacked on a surface of an optically transparent substrate in that order. A functional scattering section is provided in contact with at least part of an end face of the optically transparent substrate. The functional scattering section is foamed of a resin composition including a scattering body having moisture absorption property and/or oxygen absorption property. With the functional scattering section, moisture and/or oxygen can be prevented from entering inside the device and the light extraction efficiency can be enhanced. | 01-29-2015 |
20150028317 | ORGANIC ELECTROLUMINESCENT ELEMENT - The organic electroluminescent element has a transparent substrate, a transparent first electrode, an organic layer, a second electrode, and a light-outcoupling layer. The light-outcoupling layer is formed between the transparent substrate and the first electrode. The first electrode, the organic layer and the second electrode constitute an electroluminescent laminate. A covering substrate facing the transparent substrate is adhered to the surface of the transparent substrate via an adhesive sealing portion surrounding the periphery of the electroluminescent laminate. A connection electrode extending outward from inside a surrounded region where the electroluminescent laminate is covered with the covering substrate is formed at least on the surface of the light-outcoupling layer. The average thickness of the light-outcoupling layer in an adhesion region where the adhesive sealing portion is formed is smaller than the thickness in the central region where the electroluminescent laminate is formed. | 01-29-2015 |
20150060799 | ORGANIC ELECTROLUMINESCENT ELEMENT - This disclosure relates to an organic electroluminescent element including a light-emitting layer disposed between electrodes. At least one of the electrodes is a transparent electrode that has light transmitting property. An auxiliary electrode formed of a metal is disposed on an opposite side of the transparent electrode from a side of the light-emitting layer. The auxiliary electrode is provided with a plurality of holes. The plurality of holes have at least two kinds of geometrical shapes in plan view. | 03-05-2015 |