Patents by Inventor Ok Chan LEE

Ok Chan 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: 11943987
    Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
  • Patent number: 11937455
    Abstract: A display device includes a substrate having a first main display area, a second main display area, and a sub-display area positioned between the first main display area and the second main display area; a first driving circuit positioned on the sub-display area of the substrate; a first sub-pixel circuit and a second sub-pixel circuit positioned on respective sides of the first driving circuit in the sub-display area of the substrate; a first sub-light-emitting device connected to the first sub-pixel circuit and overlapping the first driving circuit; and a second sub-light-emitting device connected to the second sub-pixel circuit and overlapping the first driving circuit.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye Won Kim, Sun Hee Lee, Ju Chan Park, Gun Hee Kim, Ok-Kyung Park
  • Patent number: 10022317
    Abstract: The present specification relates to a composition comprising processed ginseng extract and processed green tea extract. Such a composition results in having a synergistic effect due to mixing of each processed extract, and is thus capable of promoting the production of procollagen and inhibiting the expression of collagenase. In addition, the composition of the present specification promotes the expression of filaggrin and is thus capable of strengthening a skin barrier function and inducing the differentiation of skin keratinocytes. Therefore, the composition of the present specification is capable of improving the general condition of skin, and can be effectively used as an external preparation for skin for preventing or improving xeroderma, atopic dermatitis, contact dermatitis, psoriasis, or the like that is caused by the imperfection of epidermal differentiation.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: July 17, 2018
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Ok Chan Lee, Dong Hyun Kim, Kyeong Hwan Hwang, Myeong Hun Yeom, Jun Cheol Cho
  • Publication number: 20170196797
    Abstract: Disclosed is a composition containing Glycine gracilis oil as an active ingredient and, particularly, a composition having uses of anti-oxidation, anti-aging, anti-wrinkles, whitening, anti-inflammation, anti-acne, moisturization, atopy alleviation, skin barrier improvement, and the like.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 13, 2017
    Inventors: Young Gyu KANG, Ok Chan LEE, Yong Deog HONG, Myeong Hun YEOM, Jun Seong PARK
  • Publication number: 20170135948
    Abstract: The present specification relates to a composition for a skin preparation for external use, containing an extract of bean leaves (danpung bean leaves) of a specific stage among the growth stages of beans as an active ingredient. The composition according to the present invention has an excellent antioxidant property, an excellent antiaging property and no skin irritation since natural-derived ingredients are contained in the composition, and thus is useful. The composition of the present specification can be widely used, by such characteristics, as an antioxidant or antiaging composition of an individual in the pharmaceutical or cosmetic field.
    Type: Application
    Filed: June 18, 2015
    Publication date: May 18, 2017
    Inventors: Young Gyu KANG, Ok Chan LEE, Yong Deog HONG, Myeong Hun YEOM, Jun Seong PARK
  • Publication number: 20160101042
    Abstract: The present specification relates to a composition comprising processed ginseng extract and processed green tea extract. Such a composition results in having a synergistic effect due to mixing of each processed extract, and is thus capable of promoting the production of procollagen and inhibiting the expression of collagenase. In addition, the composition of the present specification promotes the expression of filaggrin and is thus capable of strengthening a skin barrier function and inducing the differentiation of skin keratinocytes. Therefore, the composition of the present specification is capable of improving the general condition of skin, and can be effectively used as an external preparation for skin for preventing or improving xeroderma, atopic dermatitis, contact dermatitis, psoriasis, or the like that is caused by the imperfection of epidermal differentiation.
    Type: Application
    Filed: May 30, 2014
    Publication date: April 14, 2016
    Inventors: Ok Chan LEE, Dong Hyun KIM, Kyeong Hwan HWANG, Myeong Hun YEOM, Jun Cheol CHO
  • Publication number: 20150352134
    Abstract: Beneficial effects are obtained by topically applying ginsenoside F2 to the skin to improve skin conditions, improve water content on the skin surface and related benefits improving skin problems associated with acne or atopy, providing a skin whitening effect, helping control of sebaceous secretion, tightening skin pores, or improving skin complexion through enhanced blood circulation, but also to improve scalp and hair conditions, such as providing an anti-dandruff effect, promoting hair growth, or preventing generation of grey hair.
    Type: Application
    Filed: August 20, 2015
    Publication date: December 10, 2015
    Inventors: Kwon Real RYU, Dong Hyun KIM, Ok Chan LEE, Hyun Hee KIM, Myeong Hun YEOM, Jun Cheol CHO
  • Publication number: 20140039170
    Abstract: Beneficial effects are obtained by topically applying ginsenoside F2 to the skin to improve skin conditions, improve water content on the skin surface and related benefits improving skin problems associated with acne or atopy, providing a skin whitening effect, helping control of sebaceous secretion, tightening skin pores, or improving skin complexion through enhanced blood circulation, but also to improve scalp and hair conditions, such as providing an anti-dandruff effect, promoting hair growth, or preventing generation of grey hair.
    Type: Application
    Filed: July 5, 2013
    Publication date: February 6, 2014
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Kwon Real RYU, Dong Hyun KIM, Ok Chan LEE, Hyun Hee KIM, Myeong Hun YEOM, Jun Cheol CHO