Rohm and Haas Electronic Materials Korea Ltd. Patent applications |
Patent application number | Title | Published |
20150249224 | NOVEL COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME - The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device according to the present invention, has an advantage of showing a higher luminous efficiency under a driving voltage lower than that of the device comprising conventional luminescent materials. | 09-03-2015 |
20150115205 | NOVEL ORGANIC ELECTROLUMINESCENCE COMPOUNDS AND ORGANIC ELECTROLUMINESCENCE DEVICE CONTAINING THE SAME - The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device comprising the same. Using the organic electroluminescent compound according to the present invention, it is possible to manufacture an OLED device of lowered driving voltages and advanced power efficiency. | 04-30-2015 |
20150108668 | SUBLIMATION PURIFICATION APPARATUS AND METHOD - The invention relates to a sublimation purification apparatus and a method for purifying a material for an organic light-emitting diode (OLED). Conventional sublimation purification apparatuses are batch type, where one sublimation purification process is performed by loading one source material into the processor chamber, and then unloading a purified material from the process chamber. These processes are manually performed, and thus it is not possible to continuously produce the purified material for the OLED. Therefore, it is difficult to increase a throughput and productivity. According to the invention, loading the source material and unloading the purified material are performed automatically, thus enabling a continuous process of purifying the source material for the OLED. | 04-23-2015 |
20150105563 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present invention relates to novel organic electroluminescent compounds and an organic electroluminescent device containing the same. The organic electroluminescent compounds according to the present invention can be used as a phosphorescent host material, a hole transport material, or a mixed host material; have a good hole transport ability; prevent crystallization in the production of the device; are suitable for forming a layer; and improve the current density of the device thereby reducing the driving voltage of the device. | 04-16-2015 |
20140107338 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device using the same. Said organic luminescent compound provides an organic electroluminescent device which has high luminous efficiency and a long operation lifetime and requires a low driving voltage improving power efficiency and power consumption. | 04-17-2014 |
20140084271 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are novel organic electroluminescent compounds and organic electroluminescent devices using the same. Since the organic electroluminescent compound exhibits good luminous efficiency and excellent life property, it may be used to manufacture OLED devices having superior operation life and consuming less power due to improved power efficiency. | 03-27-2014 |
20140077179 | NOVEL COMPOUND FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a novel compound for an organic electronic material and an organic electroluminescent device using the same. The compound for an organic electronic material according to the present invention has high electron transport efficiency, thereby preventing crystallization at the time manufacturing of a device, and allows a layer to be easily formed, thereby improving current characteristics of the device, and thus an OLED device having a lowered driving voltage and improved power efficiency as well as superior luminous efficiency and lifespan characteristics as compared with the existing material can be manufactured. | 03-20-2014 |
20140054564 | ELECTROLUMINESCENT DEVICE USING ELECTROLUMINESCENT COMPOUND AS LUMINESCENT MATERIAL - Provided is an organic electroluminescent device that exhibits an efficient host-dopant energy transfer mechanism, and thus, expresses a certain high-efficiency electroluminescent performance, based on improved electron density distribution. The organic electroluminescent device also overcomes low initial efficiency and short operation life property, and secures high-performance electroluminescent performance with high efficiency and long life property for each color. | 02-27-2014 |
20130248830 | CHARGE TRANSPORT LAYERS AND FILMS CONTAINING THE SAME - The invention provides a film comprising at least two layers, Layer A and Layer B, and wherein Layer(A) is formed from a Composition A comprising at least one compound selected from Formula A: | 09-26-2013 |
20120235123 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same. More particularly, the organic electroluminescent compound disclosed herein is represented by Chemical Formula 1: | 09-20-2012 |
20120217485 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are novel organic electroluminescent compounds and organic electroluminescent devices using the same. Since the organic electroluminescent compound exhibits good luminous efficiency and excellent life property compared to the existing material, it may be used to manufacture OLED devices having superior operation life and consuming less power due to improved power efficiency. | 08-30-2012 |
20120206037 | NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same. | 08-16-2012 |
20120104940 | NOVEL COMPOUNDS FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTRONIC DEVICE USING THE SAME - The present invention relates to novel compounds for organic electronic material, and organic electronic devices and organic solar cells using the same. The compounds for organic electronic material may be included in a hole transport layer, electron transport layer or hole injection layer, or may be used as host or dopant. With good luminous efficiency and excellent life property of the material, they may be used to manufacture OLEDs having very good operation life. | 05-03-2012 |
20100151389 | Alkaline developable photosensitive materials - Disclosed is a photosensitive resin composition suitable for forming barrier ribs for LCD pixels during a process for fabricating an LCD using an ink jet printing step. Also disclosed is a method of forming barrier ribs for LCD pixels using such photosensitive resin composition. | 06-17-2010 |