Patents Assigned to MATERIAL SCIENCE CO., LTD.
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Patent number: 12707887Abstract: The organic light emitting diode according to an embodiment of the present disclosure includes a first electrode, a second electrode disposed opposite to the first electrode, one or more organic layers positioned on the inside of the first electrode and the second electrode, and a capping layer positioned on at least one outside of the first electrode and the second electrode, wherein a color viewing angle (?u?v?) at viewing angles of 30°, 45° and 60° of light produced from the organic layer and emitted through the capping layer, is less than 0.010.Type: GrantFiled: September 7, 2023Date of Patent: August 11, 2026Assignee: Material Science Co., Ltd.Inventors: Hee-Jun Park, Seung-Hyun Kim, Sun-Jung Kim, Seok-Geun Jin
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Patent number: 12698438Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device including the same. More specifically, the present disclosure relates to a deuterated organic compound and an organic electroluminescent device including at least one organic layer made of the deuterated organic compound. Thus, the organic electroluminescent device exhibits a longer lifetime, lower voltage implementation, and improved luminous efficiency.Type: GrantFiled: April 15, 2022Date of Patent: August 4, 2026Assignees: LG Display Co., Ltd., MATERIAL SCIENCE CO., LTD.Inventors: Seunghee Yoon, Inbum Song, Hyun Bin Kang, Jaemin Ryu, Jin Sung Kim, Tae-ho Kwak, Sunghoon Kim
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Patent number: 12398159Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device comprising the same, and more particularly, to an organic compound having excellent lifespan, efficiency, electrochemical stability, and thermal stability, and an organic electroluminescent device comprising the same.Type: GrantFiled: November 17, 2021Date of Patent: August 26, 2025Assignee: MATERIAL SCIENCE CO., LTD.Inventors: Dong Hun Lee, Kwang Seok Do, Ji Woong Yoo
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Patent number: 12356851Abstract: The present invention relates to a novel organic compound and an organic light emitting device including the same, and more specifically provides an organic electroluminescent device with remarkably improved light emitting efficiency and service life.Type: GrantFiled: April 2, 2020Date of Patent: July 8, 2025Assignee: MATERIAL SCIENCE CO., LTD.Inventors: Tae Wan Lee, Jeong Hoe Heo, Dong hun Lee, Seong min Park, Sun Jae Kim, Sung Hoon Kim
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Patent number: 12286450Abstract: The present disclosure relates to an organic electroluminescent element, and more particularly to an organic electroluminescent element including a novel boron-based organic compound and anthracene-based organic compound in one or more organic layers included in the organic electroluminescent element. The present disclosure may provide an organic electroluminescent element, which is prevented from deterioration in color characteristics and has characteristics such as long lifetimes, as a result of using a host material having a specific structural formula despite having high polarity.Type: GrantFiled: July 23, 2019Date of Patent: April 29, 2025Assignee: MATERIAL SCIENCE CO., LTD.Inventors: Sung Hoon Kim, Jae Ho Jeong, Hyun Bin Kang, Jin-sung Kim, Tae-ho Kwak
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Patent number: 12156468Abstract: The present invention relates to a compound represented by Formula 1 and an organic electroluminescent element including the same, and provides an organic compound which is excellent in service life, efficiency, electrochemical stability, and thermal stability, and an organic electroluminescent element including the same.Type: GrantFiled: May 21, 2018Date of Patent: November 26, 2024Assignee: MATERIAL SCIENCE CO., LTD.Inventors: Jae Ho Jeong, Hyun Bin Kang, Jin Sung Kim, Tae Ho Kwak
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Patent number: 12108659Abstract: Disclosed is an organic electroluminescent device. More specifically, disclosed is an organic electroluminescent device comprising at least one organic layer comprising at least two dopant compounds therein. The electroluminescent device employs both of a boron-based dopant and a pyrene-based dopant to provide improved color characteristics, efficiency and lifespan.Type: GrantFiled: July 18, 2019Date of Patent: October 1, 2024Assignees: LG Display Co., Ltd., Material Science Co., Ltd.Inventors: Inbum Song, Seunghee Yoon, Sang-Hoon Hong, Hyun Bin Kang, Jaemin Ryu
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Patent number: 11744145Abstract: Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.Type: GrantFiled: November 5, 2019Date of Patent: August 29, 2023Assignees: LG DISPLAY CO., LTD., MATERIAL SCIENCE CO., LTD.Inventors: Inbum Song, Seunghee Yoon, Heejun Park, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo
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Patent number: 11545630Abstract: Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.Type: GrantFiled: November 5, 2019Date of Patent: January 3, 2023Assignees: LG Display Co., Ltd., MATERIAL SCIENCE CO., LTD.Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo, Seong-Min Park, Sunjae Kim
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Patent number: 11342505Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device including the same. More specifically, the present disclosure relates to a deuterated organic compound and an organic electroluminescent device including at least one organic layer made of the deuterated organic compound. Thus, the organic electroluminescent device exhibits a longer lifetime, lower voltage implementation, and improved luminous efficiency.Type: GrantFiled: March 27, 2019Date of Patent: May 24, 2022Assignees: MATERIAL SCIENCE CO., LTD., LG DISPLAY CO., LTD.Inventors: Seunghee Yoon, Inbum Song, Hyun Bin Kang, Jaemin Ryu, Jin Sung Kim, Tae-Ho Kwak, Sunghoon Kim
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Publication number: 20200028084Abstract: Disclosed is an organic electroluminescent device. More specifically, disclosed is an organic electroluminescent device comprising at least one organic layer comprising at least two dopant compounds therein. The electroluminescent device employs both of a boron-based dopant and a pyrene-based dopant to provide improved color characteristics, efficiency and lifespan.Type: ApplicationFiled: July 18, 2019Publication date: January 23, 2020Applicants: LG Display Co., Ltd., Material Science Co., Ltd.Inventors: Inbum SONG, Seunghee YOON, Sang-Hoon HONG, Hyun Bin KANG, Jaemin RYU
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Publication number: 20190016666Abstract: The present invention relates to an adamantane derivative compound and an organic light-emitting diode (OLED) including the same, and more particularly, to an adamantane derivative compound capable of being used in an OLED and an OLED having excellent properties such as low voltage and high efficiency using the compound.Type: ApplicationFiled: December 29, 2016Publication date: January 17, 2019Applicant: MATERIAL SCIENCE CO., LTD.Inventors: Jae Ho JEONG, Tae Wan LEE, Kwang Seok DO, Dong Hun LEE, Jin Sung KIM