Patent application number | Description | Published |
20100038634 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - A light emitting device material comprises a pyrene compound represented by formula (1) below. Also disclosed is a light emitting device using such a material. (R | 02-18-2010 |
20100108992 | Light-emitting device - The present invention provides a light emitting device comprising at least an emissive layer existing between an anode and a cathode, which emits light by means of electric energy. The light emitting device contains a compound having a pyrromethene skeletal structure with a specific structure or a metal complex thereof and a naphthacene derivative, and thus the light emitting device has high luminance efficiency and excellent durability. | 05-06-2010 |
20100187520 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - Disclosed is a light emitting device material characterized by containing a specific fluorine compound. This light emitting device material enables to obtain a light emitting device having high luminous efficiency, excellent color purity and excellent durability. Also disclosed is a light emitting device using such a light emitting device material. | 07-29-2010 |
20100264406 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - A light emitting device material containing a pyrromethene compound represented by the general formula (1). It realized a luminescent element having a high luminescent efficiency and excellent color purity. Also provided is a luminescent element employing the materials. | 10-21-2010 |
20110121268 | LIGHT-EMITTING ELEMENT - The present invention relates to an organic thin-film light emitting device containing an organic compound represented by formula (1) and a donor compound. the light emitting device ca achieve both of the low-voltage driving operation and high luminance efficiency. | 05-26-2011 |
20120138907 | LIGHT-EMITTING DEVICE MATERIAL AND LIGHT-EMITTING DEVICE - Embodiments provide a light emitting device material characterized by containing an anthracene compound represented by the following general formula. | 06-07-2012 |
20140027754 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - The present invention provides a light emitting device material containing a compound having a specific pyrene structure, capable of providing an organic thin-film light emitting device which enables high-efficiency light emission and low-voltage driving, and is also excellent in durability; and a light emitting device using the same. | 01-30-2014 |
Patent application number | Description | Published |
20090066245 | MATERIAL FOR LIGHT-EMITTING ELEMENT AND LIGHT EMITTING ELEMENT - The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): | 03-12-2009 |
20110272681 | LIGHT-EMITTING ELEMENT MATERIAL AND LIGHT-EMITTING ELEMENT - A light-emitting element has high luminous efficiency and excellent durability. The light-emitting element includes at least a light-emitting layer between a positive electrode and a negative electrode, and emits light by electrical energy. The light-emitting element is characterized by containing a naphthacene compound that has a specific structure and organic fluorescent substance that has a fluorescence peak wavelength of not less than 500 nm but not more than 690 nm. | 11-10-2011 |
20130264558 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - The present invention provides an organic thin-film light emitting device in which the luminance efficiency and durable life are improved while a low driving voltage is maintained by means of a light emitting device material that contains a compound represented by general formula (1). | 10-10-2013 |
20130341613 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - Provided are a light emitting device material which contains a compound having a carbazole skeleton of a specific structure and which makes it possible to achieve a light emitting device having both high luminance efficiency and durability; and a light emitting device using the light emitting device material. | 12-26-2013 |
20140070204 | LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE - The present invention provides an organic thin-film light emitting device having both high luminance efficiency and durability due to the use of a light emitting device material containing a compound having a specific carbazole skeleton. | 03-13-2014 |
20150084020 | LIGHT-EMITTING DEVICE MATERIAL AND LIGHT-EMITTING DEVICE - Au organic thin film light-emitting element having both high luminous efficiency and high durability can be provided using a light-emitting element material that comprises a compound having a specified carbazole skeleton. | 03-26-2015 |