Patents by Inventor Chang Keun Lee

Chang Keun 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).

  • Patent number: 12163086
    Abstract: The present disclosure relates to a dispersant containing a specific compound having a fluorene skeleton, and a composition using the same.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: December 10, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Young O Kim, Chang Hyun Yoon, Eun Jung Lim, Jung Hyun Lee, Choon Keun Lee
  • Publication number: 20240355790
    Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Jin KONG, Dae Hyun KIM, Myeong Hee KIM, Veidhes BASRUR, Je Won YOO, Xinxing LI, Hee Keun LEE, Bek Hyun LIM, Hyun Min CHO, Chang Il TAE
  • Patent number: 12102419
    Abstract: A bio-information processing apparatus may include: a bio-signal measurer configured to measure a bio-signal; a bio-information receiver configured to receive first bio-information; and a processor configured to estimate second bio-information based on the bio-signal, and to correct the second bio-information based on measurement circumstances of the first bio-information and the second bio-information.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hoon Ko, Seung Keun Yoon, Jong Wook Lee, Dae Geun Jang, Chang Mok Choi, Youn Ho Kim
  • Publication number: 20240288157
    Abstract: The present disclosure relates to relates to an industrial premixed gas combustor using internal exhaust gas recirculation and an operating method thereof.
    Type: Application
    Filed: December 13, 2022
    Publication date: August 29, 2024
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Min-Jung LEE, Young-tae GUAHK, Chang-bog KO, Eun-kyung LEE, Dae Keun LEE, Seung-gon KIM, Woo-Nam JUNG, Hookyung LEE, Dong Myung SEO, Nam Su KIM
  • Patent number: 12074257
    Abstract: The present application relates to a light emitting device, manufacturing method thereof, and a display device provided therewith. The light emitting device may include: a substrate; a first electrode provided on the substrate, and a second electrode disposed on a plane identical with a plane of the first electrode at a position spaced apart from the first electrode; at least one light emitting element provided on the substrate, and including a first end and a second end with respect to a longitudinal direction; a bridge pattern provided on the light emitting element, and coupled to the second end of the light emitting element; a first contact electrode provided on the substrate, and coupling the first electrode with the first end of the light emitting element; and a second contact electrode provided on the substrate, and coupling the bridge pattern with the second electrode.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Xinxing Li, Dae Hyun Kim, Veidhes Basrur, Hee Keun Lee, Chang Il Tae
  • Patent number: 12068356
    Abstract: A light emitting device may include a first electrode disposed on a substrate; a first insulating layer disposed on the substrate and overlapping at least a part of the first electrode; a second electrode disposed on the first insulating layer and spaced apart from the first electrode; and at least one light emitting diode electrically connected between the first electrode and the second electrode. The first electrode and the second electrode may be disposed on different layers on the substrate, the first insulating layer is disposed between the first electrode and the second electrode, and the first electrode and the second electrode are spaced apart from each other so as not to overlap each other in a plan view.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Xinxing Li, Tae Jin Kong, Hee Keun Lee, Dae Hyun Kim, Hyun Min Cho, Chang Il Tae
  • Publication number: 20240258614
    Abstract: A battery pack includes a pack case, a plurality of batteries accommodated in the pack case, a first heat absorber disposed between the plurality of batteries, and a second heat absorber disposed on each of two side surfaces of each of the plurality of batteries. The first heat absorber and the second heat absorber each include an absorbent material impregnated with a liquid vaporized by heat generated from the battery, and an exterior material in which the absorbent material in a liquid-absorbed state is accommodated.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 1, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Yong Ho LEE, Jin Kyu LEE, Won Pill HWANG, Doo Han YOON, Chang Keun SON
  • Publication number: 20240247780
    Abstract: The present invention provides a light source apparatus and method for integrating diffused light with high efficiency using a collimating including an axicon lens, collimating it, tuning the wavelength of desired light, and passing it.
    Type: Application
    Filed: January 24, 2023
    Publication date: July 25, 2024
    Applicant: IISM INC.
    Inventors: IL SEUNG YANG, YUN MI BAE, YU SIC KIM, SUNG YUN CHO, KWAN KYU LEE, JAE KEUN CHOI, YOUN JIN KIM, CHANG HYUN BAE, SUNG DONG KIM, JONG MIN PARK, YUN JI LEE, SE MIN PARK, HUENG KHON KIM
  • Publication number: 20240250345
    Abstract: A prismatic secondary battery includes a case; at least one or more battery cells accommodated within the case; and at least one or more heat-absorbing pouches in contact with the battery cells. Here, the heat-absorbing pouches include: an absorbent material impregnated with a liquid that vaporizes by absorbing the heat generated by the battery cells; and a pouch that seals and accommodates the absorbent material impregnated with the liquid.
    Type: Application
    Filed: April 14, 2023
    Publication date: July 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Yong Ho LEE, Jin Kyu LEE, Won Pill HWANG, Soo Han KIM, Doo Han YOON, Chang Keun SON, Seung Jin KONG
  • Patent number: 12046586
    Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Jin Kong, Dae Hyun Kim, Myeong Hee Kim, Veidhes Basrur, Je Won Yoo, Xinxing Li, Hee Keun Lee, Bek Hyun Lim, Hyun Min Cho, Chang Il Tae
  • Patent number: 12046626
    Abstract: A display device may include a substrate including a display area and a non-display area, and pixels provided on the display area. Each pixel includes sub-pixels each including an emission area and a non-emission area. Each of the sub-pixels may include a display element layer including at least one light emitting element that emits light. The display element layer may include a first electrode and a second electrode spaced apart from each other with the light emitting element disposed therebetween, connection lines including a first connection line extending in a row direction of the substrate and electrically connected to the first electrode, and a second connection line extending parallel to the first connection line and connected to the second electrode. Two connection lines having a symmetric structure may be disposed in an area between two sub-pixels adjacent to each other in a column direction of the substrate.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Keun Lee, Tae Jin Kong, Veidhes Basrur, Xinxing Li, Chang Il Tae
  • Patent number: 11456327
    Abstract: An image sensor includes a semiconductor substrate including a plurality of pixel regions, a first surface, and a second surface opposing the first surface, a plurality of transistors adjacent to the first surface of the semiconductor substrate in each of the plurality of pixel regions, a microlens on the second surface of the semiconductor substrate, and a plurality of conductive patterns in contact with the semiconductor substrate and closer to the second surface of the semiconductor substrate than to the first surface of the semiconductor substrate in each of the plurality of pixel regions.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Gu Jin, Young Chan Kim, Yong Hun Kwon, Eung Kyu Lee, Chang Keun Lee, Moo Sup Lim, Tae Sub Jung
  • Publication number: 20210004850
    Abstract: A franchisee online co-promotion system according to an embodiment of the present invention uses a winning lottery number prediction event service. When purchasing a product, at the time of payment for the purchase made through a credit card, online payment, an online lottery event service app is automatically pushed to a customer's smart terminal to induce automatic entry into a lottery event, and an advertisement service is automatically provided for a franchisee that is an individual seller. A purchaser of the product may expect additional prize money and a prize according to the entry into the online lottery event, and individual franchisees participating in the present system only pay a portion of prize money to be earned and offer the customer an opportunity to earn a large amount of prize money accumulated by all participating franchisees, thereby providing customer satisfaction that is differentiated from that of non-participating franchisees.
    Type: Application
    Filed: October 25, 2018
    Publication date: January 7, 2021
    Inventor: Chang Keun LEE
  • Patent number: 10804304
    Abstract: Image sensors are provided. An image sensor includes a semiconductor substrate including a pixel region and an optical black region. The image sensor includes a plurality of photoelectric conversion regions in the pixel region. The image sensor includes a wiring structure on a first surface of the semiconductor substrate. The image sensor includes a light shielding layer on a second surface of the semiconductor substrate in the optical black region. Moreover, the image sensor includes a light shielding wall structure that is in the semiconductor substrate between the pixel region and the optical black region and that is connected to the light shielding layer.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-pil Noh, Chang-keun Lee, Je-won Yu, Kang-sun Lee
  • Publication number: 20200286942
    Abstract: An image sensor includes a semiconductor substrate including a plurality of pixel regions, a first surface, and a second surface opposing the first surface, a plurality of transistors adjacent to the first surface of the semiconductor substrate in each of the plurality of pixel regions, a microlens on the second surface of the semiconductor substrate, and a plurality of conductive patterns in contact with the semiconductor substrate and closer to the second surface of the semiconductor substrate than to the first surface of the semiconductor substrate in each of the plurality of pixel regions.
    Type: Application
    Filed: July 29, 2019
    Publication date: September 10, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young Gu JIN, Young Chan Kim, Yong Hun Kwon, Eung Kyu Lee, Chang Keun Lee, Moo Sup Lim, Tae Sub Jung
  • Patent number: 10658413
    Abstract: A semiconductor device includes a lower insulating layer on a lower substrate, a lower pad structure inside the lower insulating layer, an upper insulating layer on the lower insulating layer, an upper pad structure inside the upper insulating layer, and an upper substrate on the upper insulating layer. A via plug passes through at least a portion of each of the upper substrate, the upper insulating layer, and the lower insulating layer, and in contact with the upper pad structure and the lower pad structure. The upper pad structure includes upper pad conductive layers and an upper connection layer between the upper pad conductive layers. The upper connection layer includes a conductive pattern having a shape different from a shape of at least one of the upper pad conductive layers. The via plug is in direct contact with the upper pad conductive layers and the upper connection layer.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun Woo Park, Sun Hyun Kim, Ho Woo Park, Eung Kyu Lee, Chang Keun Lee, Hisanori Ihara
  • Publication number: 20190221597
    Abstract: Image sensors are provided. An image sensor includes a semiconductor substrate including a pixel region and an optical black region. The image sensor includes a plurality of photoelectric conversion regions in the pixel region. The image sensor includes a wiring structure on a first surface of the semiconductor substrate. The image sensor includes a light shielding layer on a second surface of the semiconductor substrate in the optical black region. Moreover, the image sensor includes a light shielding wall structure that is in the semiconductor substrate between the pixel region and the optical black region and that is connected to the light shielding layer.
    Type: Application
    Filed: August 28, 2018
    Publication date: July 18, 2019
    Inventors: Hyun-pil Noh, Chang-keun Lee, Je-won Yu, Kang-sun Lee
  • Publication number: 20190198552
    Abstract: A semiconductor device includes a lower insulating layer on a lower substrate, a lower pad structure inside the lower insulating layer, an upper insulating layer on the lower insulating layer, an upper pad structure inside the upper insulating layer, and an upper substrate on the upper insulating layer. A via plug passes through at least a portion of each of the upper substrate, the upper insulating layer, and the lower insulating layer, and in contact with the upper pad structure and the lower pad structure. The upper pad structure includes upper pad conductive layers and an upper connection layer between the upper pad conductive layers. The upper connection layer includes a conductive pattern having a shape different from a shape of at least one of the upper pad conductive layers. The via plug is in direct contact with the upper pad conductive layers and the upper connection layer.
    Type: Application
    Filed: July 6, 2018
    Publication date: June 27, 2019
    Inventors: Sun Woo PARK, Sun Hyun KIM, Ho Woo PARK, Eung Kyu LEE, Chang Keun LEE, Hisanori IHARA
  • Patent number: 9687430
    Abstract: One aspect of the present invention relates to an effervescent tablet comprising a water-soluble lubricating agent, and a carbonated water cosmetic composition enabled to be used together therewith. One aspect of the present invention relates to an effervescent tablet comprising a crystalline #-hydroxy acid and a water-soluble lubricating agent, and a cosmetic composition using a skin toner for preventing the tablet from floating and allowing the tablet to rapidly form carbon dioxide gas in the cosmetic composition so as to maximize the visual effect and also the effect of carbon dioxide, thereby showing skin whitening, brightening and moisturizing effects and improving the pores.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: June 27, 2017
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Ju A Jung, Byung Ryol Paik, Chang Keun Lee, Lee Kyoung Kwon, Joon Ho Bae, Young So Kim
  • Publication number: 20160106646
    Abstract: One aspect of the present invention relates to an effervescent tablet comprising a water-soluble lubricating agent, and a carbonated water cosmetic composition enabled to be used together therewith. One aspect of the present invention relates to an effervescent tablet comprising a crystalline #-hydroxy acid and a water-soluble lubricating agent, and a cosmetic composition using a skin toner for preventing the tablet from floating and allowing the tablet to rapidly form carbon dioxide gas in the cosmetic composition so as to maximize the visual effect and also the effect of carbon dioxide, thereby showing skin whitening, brightening and moisturizing effects and improving the pores.
    Type: Application
    Filed: March 21, 2014
    Publication date: April 21, 2016
    Inventors: Ju A JUNG, Byung Ryol PAIK, Chang Keun LEE, Lee Kyoung KWON, Joon Ho BAE, Young So KIM