Patent application number | Description | Published |
20090096356 | Light-emitting device material and light-emitting device - A light emitting device material containing a pyrene compound of formula (1) and a light emitting device. In formula (1), R | 04-16-2009 |
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 |
20100163852 | Material for light-emitting device and light-emitting device - The present invention provides a light emitting device material which enables a light emitting device having high efficiency and excellent chromatic purity and durability using a light emitting device material containing a pyrene compound represented by formula (1), wherein any one of R | 07-01-2010 |
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 |