Patent application number | Description | Published |
20080210932 | Memory Element, Memory Device, and Semiconductor Device - On object of the invention is to provide a non-volatile memory device, in which data can be added to the memory device after a manufacturing process and forgery and the like by rewriting can be prevented, and a semiconductor device including the memory device. Another object of the invention is to provide a highly-reliable, inexpensive, and nonvolatile memory device and a semiconductor device including the memory device. A memory element includes a first conductive layer, a second conductive layer, a first insulating layer with a thickness of 0.1 nm or more and 4 nm or less being in contact with the first conductive layer, and an organic compound layer interposed between the first conductive layer, the first insulating layer, and the second conductive layer. | 09-04-2008 |
20090015140 | Anthracene Derivative, Material for Light Emitting Element, Light Emitting Element, Light Emitting Device, and Electronic Device - It is an object of the present invention to provide a novel material capable of realizing excellent color purity of blue, and a light emitting element and a light emitting device using the novel material. Further, it is an object of the present invention to provide which is highly reliable, and a light emitting element and a light emitting device using the novel material. The structure for solving the above problems in accordance with the present invention is an anthracene derivative simultaneously having a diphenylanthracene structure and a carbazole skeleton in a molecule as represented by structural formula ( | 01-15-2009 |
20090015143 | Organometallic Complex, and Light-Emitting Element, Light-Emitting Device and Electronic- Device Using the Organometallic Complex - It is an object of the present invention to provide an organometallic complex which can increase recombination efficiency of electrons and holes. One aspect of the present invention is an organometallic complex having a structure represented by a general formula (1), wherein each of R | 01-15-2009 |
20090033209 | Organometallic Complex, And Light Emitting Device And Electronic Appliance Using the Same - In a general formula ( | 02-05-2009 |
20090058261 | CARBAZOLE DERIVATIVE, AND LIGHT EMITTING ELEMENT MATERIAL, LIGHT EMITTING ELEMENT, AND ELECTRONIC APPLIANCE OBTAINED USING THE SAME - An object is to provide a carbazole derivative that is useful as a raw material in manufacturing a light emitting element material having resistance to repetition of an oxidation reaction. The carbazole derivative is represented by General Formula (1) in the following. In General Formula (1), R | 03-05-2009 |
20090065769 | Semiconductor device amd method for manufacturing the same - It is an object of the present invention to provide a technique in which a high-performance and high reliable memory device and a semi-conductor device provided with the memory device are manufactured at low cost with high yield. The semiconductor device includes an organic compound layer including an insulator over a first conductive layer and a second conductive layer over the organic compound layer including an insulator. Further, the semiconductor device is manufactured by forming a first conductive layer, discharging a composition of an insulator and an organic compound over the first conductive layer to form an organic compound layer including an insulator, and forming a second conductive layer over the organic compound layer including an insulator. | 03-12-2009 |
20090102360 | ANTHRACENE DERIVATIVE, MATERIAL FOR LIGHT EMITTING ELEMENT, LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND ELECTRONIC APPLIANCE - The present invention provides an anthracene derivative represented by the following general formula (1). In the general formula (1), R1 and R2 individually represent hydrogen or an alkyl group having 1 to 4 carbon atoms, and at least one of R1 and R2 is hydrogen. Further, R3 represents an aryl group having 6 to 15 carbon atoms. R4 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms. R5 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms. R6 represents an aryl group having 6 to 15 carbon atoms. X1 represents an arylene group having 6 to 15 carbon atoms. General formula (1) is inserted. | 04-23-2009 |
20090140231 | Semiconductor device and method of manufacturing the same - It is an object of the present invention to provide a technique in which a high-performance and highly reliable semiconductor device can be manufactured at low cost with high yield. A memory device according to the present invention has a first conductive layer including a plurality of insulators, an organic compound layer over the first conductive layer including the insulators, and a second conductive layer over the organic compound layer. | 06-04-2009 |
20100171112 | Light-Emitting Element, Light-Emitting Device and an Electronic Device - The present invention provides a light-emitting element including an electron-transporting layer and a hole-transporting layer between a first electrode and a second electrode; and a first layer and a second layer between the electron-transporting layer and the hole-transporting layer, wherein the first layer includes a first organic compound and an organic compound having a hole-transporting property, the second layer includes a second organic compound and an organic compound having an electron-transporting property, the first layer is formed in contact with the first electrode side of the second layer, the first organic compound and the second organic compound are the same compound, and a voltage is applied to the first electrode and the second electrode, so that both of the first organic compound and the second organic compound emit light. | 07-08-2010 |
20130112961 | Organic Semiconductor Material and Light-Emitting Element, Light-Emitting Device, Lighting System, and Electronic Device Using the Same - Disclosed is a novel organic semiconductor material which has a twisted quaterphenylene skeleton as a central unit and simultaneously possesses a skeleton having an electron-transporting property and a skeleton having a hole-transporting property at the terminals of the quaterphenylene skeleton. Specifically, the organic semiconductor material has a [1,1′:2′,1″:2″,1′″]quaterphenyl-4-4′″-diyl group, and one of the terminals of the [1,1′:2′,1″:2″,1′″]quaterphenyl-4-4′″-diyl group is bonded to a skeleton having an electron-transporting property such as a benzoxazole group or an oxadiazole group. A skeleton having a hole-transporting property such as diarylamino group is introduced at the other terminal. This structure allows the formation of a compound having a bipolar property, a high molecular weight, an excellent thermal stability, a large band gap, and high triplet excitation energy. | 05-09-2013 |