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: 11912102
    Abstract: An air conditioner for a vehicle including an air-conditioning case divided into a plurality of air passageways by a separation wall. A heating heat exchanger is disposed inside the air-conditioning case and exchanges heat with air to heat the interior of the vehicle. A perforated member is disposed at a downstream side of the heating heat exchanger and has a plurality of perforated holes through which the air passing the heating heat exchanger passes, and a partition wall is disposed between the heating heat exchanger and the perforated member to divide the air passageway of the air-conditioning case into a plurality of air passageways, wherein the partition wall is formed integrally with the perforated member.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: February 27, 2024
    Assignee: HANON SYSTEMS
    Inventors: Dong Won Lee, Jong Su Kim, Jae Woo Ko, Young Keun Kim, Chang Soo Bae, Jong Min Lee, Gyu Ik Han
  • 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
  • Patent number: 9226886
    Abstract: The present invention relates to a mask pack sheet using bio-cellulose obtained from fermented ginseng extracts, and more particularly, to a method for manufacturing a cosmetic mask pack sheet, comprising injecting microbial strains into a culture medium containing ginseng extracts so as to ferment the ginseng extracts and prepare a bio-cellulose sheet, and dipping the sheet into a cosmetic liquid.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: January 5, 2016
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Chang Keun Lee, Kuan Chi Hsu, Jun Cheol Cho, Youn Joon Kim, Sang Hoon Han
  • Publication number: 20150269599
    Abstract: This invention is for a lottery-typed product sales system for cash rewarding based on a QR code and a lottery-typed product sales service method using the system, and the purpose of the technical realization is offering a lottery-typed product sales system for cash rewarding based on a QR code and a lottery-typed product sales service method using the system in order to make users (customers)'s consumption activities become rather a new means of financial technology that is able to create a large profit; promote a purchasing rate, for product sellers like a store, a company and so on, by attracting target customers much efficiently and systematically; and maximize sales.
    Type: Application
    Filed: April 23, 2012
    Publication date: September 24, 2015
    Inventor: Chang Keun Lee
  • Patent number: 8976070
    Abstract: A broadcasting antenna for a vehicle and a shark fin antenna apparatus having the same are provided. The broadcasting antenna includes a main board on which a feeder circuit and a ground plane are formed, a helical radiation unit which includes a plurality of helical radiators that are electrically connected to the feeder circuit and the ground plane of the main board, that are formed in a first direction, and that are coupled apart from each other by a predetermined interval, and which has a coupling feed structure, and an extended radiation unit which includes a plurality of top loaders that are electrically connected to ends of the plurality of helical radiators, respectively, that are formed in a second direction, and that are coupled to each other.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: March 10, 2015
    Assignee: Winnercom Co., Ltd.
    Inventors: Gi-Cho Kang, Tae-Byung Park, Sang-Min Nam, Chang-Keun Lee
  • Patent number: 8810471
    Abstract: A circularly polarized ceramic patch antenna having an extended ground for a vehicle is provided. The extended ground is formed under a patch antenna, has a predetermined thickness, is formed of a metal conductor having the same shape as the patch antenna, and is electrically connected to a ground plane formed on a board. The thickness of the extended ground is adjusted, so that it is possible to adjust radiation efficiency of the ceramic patch antenna that operates at a specific frequency band. Thus, the ceramic patch antenna has the effect of improving directionality of a radiation pattern formed in a direction parallel to the ground plane, and the effect of reducing a null point caused by a field effect to increase an antenna gain thereof.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: August 19, 2014
    Assignee: Winnercom Co., Ltd.
    Inventors: Gi-Cho Kang, Tae-Byung Park, Sang-Min Nam, Chang-Keun Lee
  • Patent number: 8603249
    Abstract: A lift pin driving device and a manufacturing apparatus having the device are provided. The device includes drive unit including a single drive motor that drives a pin plate, a plurality of timing belts and a plurality of pulleys. The pin plate, which supports a plurality of lift pins thereon, is moved by the pulleys, operated in conjunction with the motor through the timing belts. A tensioner controls a tension of the timing belts. The tensioner may be controlled to provide precise rectilinear movement without leaning, and to prevent the timing belts from sagging. The device efficiently controls the tension of the timing belts and allows the lift pins to be precisely moved upwards or downwards such that a substrate positioned thereon may maintain a horizontal position while being moved upwards or downwards.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: December 10, 2013
    Assignee: LG Electronics Inc.
    Inventors: Jong Sun Kim, Chang Keun Lee, Won Ki Jeong
  • Publication number: 20130244977
    Abstract: The present invention relates to a mask pack sheet using bio-cellulose obtained from fermented ginseng extracts, and more particularly, to a method for manufacturing a cosmetic mask pack sheet, comprising injecting microbial strains into a culture medium containing ginseng extracts so as to ferment the ginseng extracts and prepare a bio-cellulose sheet, and dipping the sheet into a cosmetic liquid.
    Type: Application
    Filed: October 25, 2011
    Publication date: September 19, 2013
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Chang Keun Lee, Kuan Chi Hsu, Jun Cheol Cho, Youn Joon Kim, Sang Hoon Han
  • Publication number: 20130097042
    Abstract: The invention is about an electronic commerce system using on-line information matching and its services meant to offer real-time matching service between buyers and sellers, upon request from the buyer, User's Server, by granting the seller, Merchandiser's Server a signal code to respond to buyer's queries by selectively providing the queried information to the said User's Server by way of a bi-directional communication means to conclude the commercial relationship therebetween. In establishment of the foresaid the invention systemizes an Operation Server, equipped with ‘Querier’, ‘Merchandiser Registerer’, ‘Integrated Information Manager’, and ‘Matching Program Operator’, ‘User's Server’, querying information to the said Operation Server, and ‘Merchandiser's Server’, offering information as queried so.
    Type: Application
    Filed: February 8, 2011
    Publication date: April 18, 2013
    Inventor: Chang Keun Lee
  • Publication number: 20120326935
    Abstract: A broadcasting antenna for a vehicle and a shark fin antenna apparatus having the same are provided. The broadcasting antenna includes a main board on which a feeder circuit and a ground plane are formed, a helical radiation unit which includes a plurality of helical radiators that are electrically connected to the feeder circuit and the ground plane of the main board, that are formed in a first direction, and that are coupled apart from each other by a predetermined interval, and which has a coupling feed structure, and an extended radiation unit which includes a plurality of top loaders that are electrically connected to ends of the plurality of helical radiators, respectively, that are formed in a second direction, and that are coupled to each other.
    Type: Application
    Filed: June 12, 2012
    Publication date: December 27, 2012
    Applicant: WINNERCOM CO., LTD.
    Inventors: Gi-Cho KANG, Tae-Byung PARK, Sang-Min NAM, Chang-Keun LEE
  • Publication number: 20120319917
    Abstract: A circularly polarized ceramic patch antenna having an extended ground for a vehicle is provided. The extended ground is formed under a patch antenna, has a predetermined thickness, is formed of a metal conductor having the same shape as the patch antenna, and is electrically connected to a ground plane formed on a board. The thickness of the extended ground is adjusted, so that it is possible to adjust radiation efficiency of the ceramic patch antenna that operates at a specific frequency band. Thus, the ceramic patch antenna has the effect of improving directionality of a radiation pattern formed in a direction parallel to the ground plane, and the effect of reducing a null point caused by a field effect to increase an antenna gain thereof.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 20, 2012
    Applicant: WINNERCOM CO., LTD.
    Inventors: Gi-Cho KANG, Tae-Byung PARK, Sang-Min NAM, Chang-Keun LEE
  • Patent number: 7981799
    Abstract: The present invention relates to a room temperature-operating single-electron device and a fabrication method thereof, and more particularly, to a room temperature-operating single-electron device in which a plurality of metal silicide dots formed serially is used as multiple quantum dots, and a fabrication method thereof.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: July 19, 2011
    Assignee: Chungbuk National University Industry-Academic Cooperation Foundation
    Inventors: Jung Bum Choi, Chang Keun Lee, Min Sik Kim