Abstract: 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.
Type:
Application
Filed:
March 8, 2012
Publication date:
April 17, 2014
Applicant:
Rohm, and Haas Electronic Materials Korea Ltd.
Inventors:
Hee-Choon Ahn, Seok-Keun Yoon, Doo-Hyeon Moon, Hee-Sook Kim, Su-Hyun Lee, Hyo-Nim Shin, Kyung-Joo Lee, Kyoung-Jin Park, Nam-Kyun Kim, Young-Jun Cho, Hyuck-Joo Kwon, Bong-Ok Kim
Abstract: The present invention relates to a novel compound and an organic electroluminescent device containing the same. The compound according to the present invention can manufacture an organic electroluminescent device which has high luminous efficiency and a long operation lifetime.
Type:
Application
Filed:
May 30, 2012
Publication date:
April 10, 2014
Applicant:
Rohm and Haas Electronics Materials Korea Ltd.
Abstract: 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.
Type:
Application
Filed:
December 21, 2011
Publication date:
March 27, 2014
Applicant:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Inventors:
Su Hyun Lee, Soo-Jin Hwang, Seon-Woo Lee, Doo-Hyeon Moon, Hyo Jung Lee, Soo Jin Yang, Kyoung-Jin Park, Chi Sik Kim, Young Jun Cho, Hyuck Joo Kwon, Kyung Joo Lee, Bong Ok Kim
Abstract: 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.
Type:
Application
Filed:
November 16, 2011
Publication date:
March 20, 2014
Applicant:
Rohm and Haas Electronic Materials Korea Ltd.
Inventors:
Hyo Nim Shin, Chi Sik Kim, Su Hyun Lee, Hong Yoep Na, Seok-Keun Yoon, Soo Jin Yang, Soo Yong Lee, Young Jun Cho, Kyoung-Jin Park, Kyung Joo Lee, Bong Ok Kim
Abstract: 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.
Type:
Application
Filed:
July 29, 2011
Publication date:
February 27, 2014
Applicant:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Inventors:
Chi-Sik Kim, Soo-Young Lee, Young-Gil Kim, Hyo-Jung Lee, Su-Hyun Lee, Hyun Kim, Young-Jun Cho, Hyuck-Joo Kwon, Kyung-Joo Lee, Bong-Ok Kim, Sung-Min Kim
Abstract: 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: wherein Np is selected from 1-naphthyl or 2-naphthyl, and wherein each R is described herein; and wherein Layer B is formed from a Composition B comprising at least one “HTL compound;” and wherein Layer A is not adjacent to Layer B. The invention also provides a composition comprising at least one compound selected from Formula A: wherein each R is described herein, and wherein the compound has a Tg greater than, or equal to, 115° C.
Type:
Application
Filed:
March 14, 2013
Publication date:
September 26, 2013
Applicants:
Rohm and Haas Electronic Materials Korea Ltd., Dow Global Technologies LLC
Inventors:
Dean M. Welsh, Mark E. Ondari, Moo-Keun Chee, Bong-Ok Kim, Robert D. Froese, Matthew M. Meyer, Hyuck-Joo Kwon, Kyung-Hoon Choi, Young-Jun Cho
Abstract: 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: Since the organic electroluminescent compound disclosed herein exhibits good luminous efficiency and excellent life property, it may be used to manufacture OLED devices having very superior operation life.
Type:
Application
Filed:
August 3, 2010
Publication date:
September 20, 2012
Applicant:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Inventors:
Soo Young Lee, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
Abstract: 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.
Type:
Application
Filed:
July 30, 2010
Publication date:
August 30, 2012
Applicant:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Inventors:
Hyo Jung Lee, Young Jun Cho, Sung Jin Eum, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
Abstract: Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same. When used as a host material of an organic electroluminescent material of an OLED device, the organic electroluminescent compound disclosed herein exhibits good luminous efficiency and excellent life property as compared to the existing host material. Therefore, it may be used to manufacture OLEDs having very superior operation life.
Type:
Application
Filed:
July 19, 2010
Publication date:
August 16, 2012
Applicant:
Rohm and Haas Electronic Materials Korea Ltd
Inventors:
Soo Young Lee, Young Gil Kim, Youngg Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
Abstract: 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.
Type:
Application
Filed:
March 19, 2010
Publication date:
May 3, 2012
Applicant:
Rohm and Haas Electronic Materials Korea Ltd.
Inventors:
Hyo-Nim Shin, Chi Sik Kim, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
Abstract: Polycrystalline monolithic magnesium aluminate spinels are disclosed. The polycrystalline monolithic magnesium aluminate spinels have small grain sizes and may be deposited on substrates as thick one-piece deposits. The polycrystalline monolithic magnesium aluminate spinels may be prepared and deposited by chemical vapor deposition. Articles made with the polycrystalline monolithic magnesium aluminate spinels also are disclosed.
Type:
Grant
Filed:
August 26, 2008
Date of Patent:
March 27, 2012
Assignee:
Rohm and Haas Electronic Materials Korea Ltd.
Abstract: The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the organic electroluminescent compound. The organic electroluminescent compound of the present invention is characterized by upgraded excellent EL property compared with the conventional host materials.
Type:
Grant
Filed:
November 19, 2007
Date of Patent:
March 27, 2012
Assignee:
Rohm and Haas Electronic Materials Korea Ltd.
Inventors:
Sung Min Kim, Bong Ok Kim, Mi Young Kwak, Hyuck Joo Kwon, Young Jun Cho, Hyun Kim
Abstract: 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.
Type:
Application
Filed:
September 22, 2009
Publication date:
June 17, 2010
Applicant:
Rohm and Haas Electronic Materials Korea Ltd.
Inventors:
Chun Geun Park, Moo Young Lee, Seok Han, Seung Keun Kim, In Kyung Sung, Hag Ju Lee