Patents by Inventor Kyung Joo Lee

Kyung Joo Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240145219
    Abstract: An apparatus for manufacturing a display device includes a gas exhaust unit and a gas spray unit. The gas exhaust unit includes first and second sidewalls disposed side by side along a first direction, and an upper plate disposed on the first and second sidewalls, a first partition disposed between the first and second sidewalls and extending away from a lower surface of the upper plate in a second direction. The gas spray unit includes first and second spray portions spraying first and second gases in the second direction. The first partition includes first and second surfaces, a third surface connecting the first surface to the second surface, first and second horizontal openings formed at the first and second surfaces, a first vertical opening formed at the third surface, and a first sub exhaust path connecting the first and second horizontal openings, and the first vertical opening with each other.
    Type: Application
    Filed: June 8, 2023
    Publication date: May 2, 2024
    Inventors: Min Gyu PARK, Sae Hong KIM, Jung Gon KIM, Kyung Joo MIN, Hee Yong LEE, Suk Jin JANG, Choel Min JANG
  • Publication number: 20240146006
    Abstract: This disclosure relates to a connector comprising a first RF contact; a second RF contact spaced apart from the first RF contact in a first axis direction; an insulation part; and a cover shell, wherein the first RF contact includes a (1-1)th RF linker member for connecting with an RF contact of the other connector; a (1-2)th RF linker member spaced apart from the (1-1)th RF linker member on the basis of a second axis direction perpendicular to the first; and a first RF linker member arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, the insulation part includes a first RF inspection window arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, and the first RF linker member is exposed through the first RF inspection window.
    Type: Application
    Filed: March 20, 2022
    Publication date: May 2, 2024
    Inventors: Su Chan LEE, Kyung Hae CHOI, Jung Hoon CHOI, Hyun Joo HWANG
  • Publication number: 20240130668
    Abstract: The present invention relates to a device and a method for measuring skin changes caused by blue light. A device for measuring skin changes caused by blue light according to one embodiment of the present invention comprises: at least one light source for irradiating light of a blue light band at different light amounts to a plurality of test areas set on a skin area to be tested; and a control unit for detecting a minimum pigmentation point among the test areas and calculating a light amount of the corresponding test area as a minimum pigmentation dose (MPD) for blue light. In addition, the present invention relates to a blue light irradiation device for irradiating a plurality of blue light beams in order to measure skin changes caused by blue light.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 25, 2024
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Hongli JO, Yuchul JUNG, Eun Joo KIM, Kyung Tae KIM, Yong Jin LEE
  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Patent number: 11923609
    Abstract: Disclosed is a radar antenna including an antenna body including a first plate and a second plate; a slot radiation part and a slot reception part formed in the first plate; a transmission port and a reception port formed in the second plate; and a waveguide formed by assembling the first and second plates. The slot radiation part includes a first slot radiation part configured to radiate a radio wave in a first detection range, and a second slot radiation part configured to radiate radio waves in a second detection range having a larger width and distance than the first detection range.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: March 5, 2024
    Assignee: AMOTECH CO., LTD.
    Inventors: Hyun Joo Park, Kyung Hyun Ryu, Yun Sik Seo, Se Ho Lee, Jeong Geun Heo, Han Ju Do, Hyung Ii Baek
  • Publication number: 20220216430
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: March 8, 2022
    Publication date: July 7, 2022
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Publication number: 20220216429
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: March 8, 2022
    Publication date: July 7, 2022
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Publication number: 20220077405
    Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Doo-Hyeon MOON, Su-Hyun LEE, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Publication number: 20180006236
    Abstract: Organic compounds suitable for organic layers of electronic devices that show reduced driving voltage, increased luminous efficiency and/or increased power efficiency.
    Type: Application
    Filed: December 22, 2015
    Publication date: January 4, 2018
    Inventors: Zhengming Tang, Shaoguang Feng, Hong-Yeop Na, Chong Xing, Minrong Zhu, Robert J. Wright, David D. Devore, Jichang Feng, Kyung-Joo Lee
  • Publication number: 20170125699
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: April 17, 2015
    Publication date: May 4, 2017
    Inventors: Hee-Choon Ahn, Young-Kwang Kim, Su-Hyun Lee, Ji-Song Jun, Seon-Woo Lee, Chi-Sik Kim, Kyoung-Jin Park, Nam-Kyun Kim, Kyung-Hoon Choi, Jae-Hoon Shim, Young-Jun Cho, Kyung-Joo Lee
  • Publication number: 20170117488
    Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.
    Type: Application
    Filed: April 7, 2015
    Publication date: April 27, 2017
    Inventors: Hee-Choon Ahn, Young-Kwan Kim, Doo-Hyeon Moon, Su-Hyun Lee, Seon-Woo Lee, Chi-Sik Kim, Kyoung-Jin Park, Nam-Kyun Kim, Kyung-Hoon Choi, Jae-Hoon Shim, Young-Jun Cho, Kyung-Joo Lee
  • Publication number: 20160248020
    Abstract: The invention provides a composition comprising at least one fluorene substituted triazine derived compound of Formula 1, as described herein, and electronic devices containing the same. Such devices have improved efficiency and better driving voltage.
    Type: Application
    Filed: November 10, 2014
    Publication date: August 25, 2016
    Inventors: Mark E. Ondari, Kyoung Moo Koh, Dean M. Welsh, Tomas D. Paine, Liang Hong, Kenneth E. Stockman, Hong-Yeop Na, Kyung-Joo Lee
  • Patent number: 9287512
    Abstract: The present invention relates to a novel organic electroluminescent compound, layer and an organic electroluminescent device using the same. Said organic luminescent compound provides an organic light emitting layer and/or device which has high luminous efficiency and a long operation lifetime and requires a low driving voltage improving power efficiency and power consumption.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: March 15, 2016
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hee-Choon Ahn, Young-Jun Cho, Hyuck Joo Kwon, Bong-Ok Kim, Seok Keun Yoon, Doo-Hyeon Moon, Hee Sook Kim, Su-Hyun Lee, Hyo-Nim Shin, Kyung Joo Lee, Kyoung-Jin Park, Nam-Kyun Kim
  • Publication number: 20150357583
    Abstract: The present invention relates to a novel organic electroluminescent compound, layer and an organic electroluminescent device using the same. Said organic luminescent compound provides an organic light emitting layer and/or 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: August 13, 2015
    Publication date: December 10, 2015
    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
  • Patent number: 9136484
    Abstract: The present invention relates to electroluminescent compounds of formula 1 where A and/or B represent fluorene, carbazole, dibenzo[b,d]thiophene or dibenzo[b,d]furan derivatives and L1, X1, Ar1, Ar2, R5, R6 and R7 are as defined herein, and organic electroluminescent devices comprising the same. The compounds according to the present invention have an advantage in manufacturing an organic electroluminescent device which has a high luminous efficiency and a long operational lifetime.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: September 15, 2015
    Assignee: Rohm and Haas Electronics Materials Korea Ltd.
    Inventors: Hee-Sook Kim, Seok-Keun Yoon, Kyung-Joo Lee, Hong-Yoep Na, Nam-Kyun Kim, Young-Jun Cho, Hyuck-Joo Kwon, Bong-Ok Kim
  • Publication number: 20150249224
    Abstract: 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.
    Type: Application
    Filed: September 10, 2013
    Publication date: September 3, 2015
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: So-Young Jung, Bong-Ok Kim, Chi-Sik Kim, Hyun Kim, Jong-Seok Ku, Hyuck-Joo Kwon, Kyung-Joo Lee, Kyoung-Jin Park
  • Publication number: 20150218441
    Abstract: 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 of the present invention emits yellow-green light; lowers the driving voltage of the device by improving the current characteristic of the device; and improves power efficiency and operational lifespan.
    Type: Application
    Filed: March 13, 2014
    Publication date: August 6, 2015
    Inventors: Young-Jun Cho, So-Young Jung, Hyun-Ju Kang, Bong-Ok Kim, Chi-Sik Kim, Hyun Kim, Nam-Kyun Kim, Hyuck-Joo Kwon, Kyung-Joo Lee, Hyo-Nim Shin, Seok-Keun Yoon
  • Publication number: 20150171346
    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: February 18, 2015
    Publication date: June 18, 2015
    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
  • Patent number: D1017611
    Type: Grant
    Filed: June 26, 2023
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Jung Lee, Kyung Hyun Ko, Yong Woo Koo, Jun Il Kwon, Pablo Kim, Young-Su Kim, Jun Woo Kim, Hoon Kim, Hye Suk An, Hyun Joo Lee, Ki Ho Lim