Patent application number | Description | Published |
20080199727 | Buffer Layer - Electroluminescent devices with an improved buffer layer on the anode, wherein the buffer material is selected from metal tetra-p-tolyl porphonato complexes, and bianthryl compounds of Formula (I) or (II). | 08-21-2008 |
20080265210 | Electroluminescent Materials and Devices - Lithium quinolate is a host material for organometallic electroluminescent materials to form an electroluminescent layer in an electroluminescent device. | 10-30-2008 |
20090009060 | Electroluminescent Materials and Devices - Novel iridium complexes are electroluminescent. | 01-08-2009 |
20090009062 | Electroluminescent Devices - An OLED with an inorganic p-type semiconductor hole transporting layer and an inorganic n-type semiconductor electron transporting layer. | 01-08-2009 |
20090167158 | Electroluminescent Devices - In an OLED there is a reflectivity influencing layer ( | 07-02-2009 |
20100025671 | ELECTROLUMINESCENT DEVICES - The invention relates to an optical light emitting diode device having an electroluminescent layer and an electron transport layer, wherein the electron transport layer contains zirconium or hafnium quinolate for slowing loss of luminance at a given current density with increase of the time for which the device has been operative. The invention also relates to OLEDs, improved efficiency and/or lifetime is obtained by using zirconium or hafnium quino late as electron transport material. | 02-04-2010 |
20100060152 | PHENANTHROLINE COMPOUNDS AND ELECTROLUMINESCENT DEVICES USING THE SAME - In OLEDs, improved efficiency is obtained by using compounds of formula [Ar](CH═CH—R | 03-11-2010 |
20100289009 | CATHODE COATING - Embodiments of electroluminescent devices of the invention are preferably formed of a transparent anode; a layer of a hole transporting material; a layer of an electroluminescent material; a layer of an electron transporting material; a layer of lithium quinolate or of a substituted lithium quinolate e.g. of thickness less than 7 nm; and a metal cathode. The layer of the metal quinolate is preferably about 0.3-0.5 nm in thickness. In an embodiment there is provided an organic light-emitting diode having a cathode, an electron injection layer in contact with the cathode and an electron transport layer in contact with the electron injection layer and comprising aluminium, zirconium or hafnium quinolate or a mixture thereof or a mixture of any of them with a quinolate of a metal of group 1, 2, 3, 13 or 14 of the periodic table, wherein the electron injection layer comprises lithium quinolate or a substituted lithium quinolate having one or more substituents selected from C | 11-18-2010 |
20100327264 | ELECTROLUMINESCENT DEVICE USING AZOMETHINE-LITHIUM-COMPLEX AS ELECTRON INJECTION LAYER - In OLEDs, improved efficiency is obtained by novel compounds which can form inter alia electron injection layers of the formula (I) | 12-30-2010 |
20110108819 | COMPOUNDS HAVING ELECTRON TRANSPORT PROPERTIES, THEIR PREPARATION AND USE - The invention provides new compounds of the formula I, II or III. These compounds can be used as electron transport materials in optical light emitting diodes (OLEDs). The compounds of the formula I, II and III are as follows: | 05-12-2011 |
20120205638 | ELECTROLUMINESCENT DEVICE USING AZOMETHINE-LITHIUM-COMPLEX AS ELECTRON INJECTION LAYER - In OLEDs, improved efficiency is obtained by compounds which can form inter alia electron injection layers of the formula (I) | 08-16-2012 |
20150065725 | ELECTROLUMINESCENT DEVICE USING AZOMETHINE-LITHIUM-COMPLEX AS ELECTRON INJECTION LAYER - In OLEDs, improved efficiency is obtained by compounds which can form inter alia electron injection layers of the formula (I) | 03-05-2015 |