Patent application number | Description | Published |
20080224604 | DISPLAY - A display by an active matrix drive in which a plurality of pixels are independently controlled, wherein each pixel includes at least two sub-pixels that emit light having the same color as each other by application of current to the sub-pixels, and at least one of the sub-pixels is provided with an optical filter at a light extraction side of the sub-pixel. A display which is capable of multi-gradation reproduction is provided. | 09-18-2008 |
20080225206 | DISPLAY - A display by an active matrix drive in which plural pixels are controlled independently from one another, wherein each of the pixels includes at least two sub-pixels, the sub-pixels emit light of the same color as each other by application of current, and one sub-pixel of the sub-pixels has a lower light-emission efficiency per unit of current than that of the other sub-pixel. A display which has an improved gradation and is capable of multi-gradation reproduction is provided. | 09-18-2008 |
20080238828 | Display Apparatus and Driving Method for the Same - A display apparatus comprises a self-emitting first display device ( | 10-02-2008 |
20080241518 | ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic electroluminescence element having at least one organic layer including a light-emitting layer between a pair of electrodes, wherein the organic electroluminescence element has an electron transport layer containing a phosphine oxide compound and an electron transport layer that does not substantially contain the phosphine oxide compound between the light-emitting layer and a cathode, the electron transport layer containing the phosphine oxide compound is nearer to the cathode, and the electron transport layer that does not substantially contain the phosphine oxide compound is nearer to the light-emitting layer. An organic EL element that exhibits high light-emission efficiency and is excellent in drive durability is provided. | 10-02-2008 |
20090021156 | DISPLAY DEVICE, AND METHOD FOR REPAIRING A DEFECTIVE PIXEL - A display device | 01-22-2009 |
20090021454 | DISPLAY DEVICE, AND METHOD FOR REPAIRING A DEFECTIVE PIXEL - A display device | 01-22-2009 |
20090026936 | ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic electroluminescence element including an organic layer including a light-emitting layer between a pair of electrodes, wherein the light-emitting layer contains at least two light-emitting materials having different Ea values and at least one host material, a concentration of a light-emitting material having a larger Ea value in the light-emitting layer gradually decreases from a cathode side toward an anode side, and a concentration of a light-emitting material having a smaller Ea value in the light-emitting layer gradually decreases from the anode side toward the cathode side. | 01-29-2009 |
20090079329 | ORGANIC ELECTROLUMINESCENT DEVICE - A organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, wherein the at least one organic layer contains a specific compound in which a transition metal and a carbene carbon are bonded to each other. | 03-26-2009 |
20090218938 | ORGANIC ELECTROLUMINESCENCE DEVICE - Provided is an organic electroluminescence device including: a pair of electrodes; and at least one organic layer including a light-emitting layer being provided between the pair of electrodes, wherein at least any one of the at least one organic layer contains both at least one hydrocarbon compound having an alkyl structure and a charge transporting material. | 09-03-2009 |
20100001637 | LIGHT-EMITTING ELEMENT, MULTICOLOR DISPLAY, AND METHOD FOR MANUFACTURING THE LIGHT-EMITTING ELEMENT - The present invention provides a light-emitting element having, on a substrate, an organic electroluminescent part having at least one organic layer including a light-emitting layer between a pair of electrodes, and a color changing layer that absorbs light emitted from the organic electroluminescent part, and emits light having a wavelength different from that of the absorbed light, wherein the organic electroluminescent part and the color changing layer are disposed in a microcavity structure interposed between a light reflection layer and a layer that partially transmits light and partially reflects light. A light-emitting element of a color changing medium system having high color changing efficiency and high color purity is provided. A multicolor display using the same, and a method for manufacturing the light-emitting element are also provided. | 01-07-2010 |
20100140605 | ORGANIC ELECTROLUMINESCENCE DEVICE AND LUMINESCENCE APPARATUS - The invention provides an organic EL device including a pair of electrodes and at least one luminescent layer between the pair of electrodes, the at least one luminescent layer including at least two phosphorescent materials, an electrically inert material, and a charge-transporting material, the at least two phosphorescent materials being selected from a blue phosphorescent material having a luminescence peak in a range of from 420 nm to less than 500 nm, a green phosphorescent material having a luminescence peak in a range of from 500 nm to less than 570 nm, or a red phosphorescent material having a luminescence peak in a range of from 570 nm to 650 nm. The invention also provides a luminescence apparatus including the above organic EL device. | 06-10-2010 |
20110074280 | ORGANIC ELECTROLUMINESCENCE DEVICE - Provided is an organic electroluminescence device including: a pair of electrodes; and at least one organic layer including a light-emitting layer being provided between the pair of electrodes, wherein at least any one of the at least one organic layer contains both at least one hydrocarbon compound having an alkyl structure and a charge transporting material. | 03-31-2011 |
20120238774 | CHARGE TRANSPORT FILM, METHOD FOR PRODUCING THE SAME, AND LIGHT-EMITTING ELEMENT AND PHOTOELECTRIC CONVERSION ELEMENT USING THE SAME - The present invention provides a charge transport film which is prepared through subjecting a coating film including at least one charge transporting agent to an atmospheric pressure plasma treatment, wherein electron transfer between the charge transport film and a substance that contacts with the charge transport film is promoted, and deterioration in performance due to diffusion and mixing or crystallization of low molecular weight components, such as a charge transporting agent, incorporated in a cured film is suppressed also in the case of film formation by a wet method, and which exhibits excellent charge transportability and stability over time; a production method with good productivity; and a light-emitting element and photoelectric conversion element equipped with the charge transport film, the atmospheric pressure plasma treatment being preferably a treatment that applies plasma, which is generated using a plasma generating apparatus and conveyed using an inert gas, to the coating film. | 09-20-2012 |