Patent application number | Description | Published |
20110085068 | STACKED ORGANIC LIGHT-EMITTING DEVICE, AND IMAGE DISPLAY APPARATUS AND DIGITAL CAMERA INCLUDING THE SAME - Provided is a stacked organic light-emitting device in which organic compound layers for respective emission colors are capable of separately emitting light. The stacked organic light-emitting device includes a first organic compound layer, a second organic compound layer, and a third organic compound layer, which have emission colors different from each other. The first organic compound layer is provided on one side of a common transparent electrode, and the second organic compound layer and the third organic compound layer are provided on another side thereof. The first organic compound layer has a polarity direction opposite to polarity directions of the second organic compound layer and the third organic compound layer. | 04-14-2011 |
20110095279 | ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS - Provided is an organic electroluminescence display apparatus capable of reducing a chromaticity difference caused by light emission from an organic layer including an emission layer having the same color, which is continuously formed over two sub-pixels included in a pixel. The organic electroluminescence display apparatus includes: a substrate; and multiple organic electroluminescence devices which are stacked on the substrate, each of which includes electrodes and an organic layer sandwiched by the electrodes in which first organic layer and a second organic layer are arranged side by side in an emission region corresponding to a pixel formed on the substrate and a third organic layer is stacked over the first organic layer and the second organic layer through an intermediate electrode. The third organic layer has an emission spectrum peak wavelength which is longer than an emission spectrum peak wavelength of at least one of the first organic layer and the second organic layer. | 04-28-2011 |
20110101855 | DISPLAY APPARATUS - Provided is a display apparatus that uses a sealing configuration with a protective layer and in which the luminous efficiency of an organic electroluminescent element that emits blue light is improved. | 05-05-2011 |
20120018712 | ORGANIC ELECTROLUMINESCENT DISPLAY - An organic electroluminescent (EL) display includes a plurality of organic EL devices for red, green, and blue subpixels, each including a first electrode on a light output side, a second electrode opposite the first electrode, and an organic compound layer including a light-emitting layer therebetween. The organic EL devices have a resonator structure between a first reflective surface closer to the first electrode than the organic compound layer and a second reflective surface closer to the second electrode than the organic compound layer. A predetermined white color is displayed by mixing the three colors such that an optical distance of the organic EL devices of each color between an emission position in the light-emitting layer and the second reflective surface is set within ±10% from an optical distance corresponding to an nth-order minimum of a curve of required current density against at least the optical distance. | 01-26-2012 |
20120032584 | DISPLAY APPARATUS - A display apparatus includes an organic electroluminescent element that emits blue light, an organic electroluminescent element that emits green light, and an organic electroluminescent element that emits red light. An optical adjustment layer provided on the organic electroluminescent element that emits red light has a thickness d | 02-09-2012 |
20120211782 | ORGANIC ELECTROLUMINESCENT ELEMENT AND DISPLAY INCLUDING SAME - An organic electroluminescent element includes a first electrode, an organic compound film including a plurality of layers that include an emissive layer, a second electrode, a protective layer, and a buffer layer formed by an evaporation method between the second electrode and the protective layer, light emitted from the emissive layer emerging from the second electrode side, in which the second electrode is formed of a metal film having a thickness of 5 nm to 20 nm, a distance between a surface of the emissive layer adjacent to the first electrode and a surface of the second electrode adjacent to the organic compound film is in the range of 55 nm to 90 nm, and the protective layer is formed by a sputtering method or a plasma-enhanced chemical vapor deposition method. | 08-23-2012 |
20120313501 | DISPLAY APPARATUS - A display apparatus has an organic EL element which emits red color, an organic EL element which emits green color, and an organic EL element which emits blue color, in which a structure for improving light emission efficiency is provided only at the light emission side of the organic EL element which emits blue color. | 12-13-2012 |
20130038204 | ORGANIC EL ELEMENT, AND LIGHT-EMITTING APPARATUS, IMAGE-FORMING APPARATUS, DISPLAY APPARATUS AND IMAGING APPARATUS USING THE ORGANIC EL ELEMENT - Provided is an organic EL element in which emission efficiency is improved by suppressing a loss of excitation energy by a surface plasmon generated on an electrode surface. A hole transport layer is formed of a material having a refractive index of 1.20 or more and 1.65 or less at a maximum peak wavelength of a spectrum of light emitted by a light-emitting layer. | 02-14-2013 |
20130193419 | ORGANIC ELECTROLUMINESCENT ELEMENT AND DISPLAY APPARATUS INCLUDING THE SAME - An organic electroluminescent element that emits red light includes an organic compound layer provided between a first electrode including a reflective metal film and a second electrode including a translucent metal film. The organic compound layer includes a light-emitting layer. The second electrode is provided on a light extraction side. An optical length L | 08-01-2013 |
20140054576 | ORGANIC ELECTROLUMINESCENT DISPLAY - An organic electroluminescent (EL) display includes a plurality of organic EL devices for red, green, and blue subpixels, each including a first electrode on a light output side, a second electrode opposite the first electrode, and an organic compound layer including a light-emitting layer therebetween. The organic EL devices have a resonator structure between a first reflective surface closer to the first electrode than the organic compound layer and a second reflective surface closer to the second electrode than the organic compound layer. A predetermined white color is displayed by mixing the three colors such that an optical distance of the organic EL devices of each color between an emission position in the light-emitting layer and the second reflective surface is set within ±10% from an optical distance corresponding to an nth-order minimum of a curve of required current density against at least the optical distance. | 02-27-2014 |