Patents by Inventor Ji-eun Park

Ji-eun Park 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: 20240074466
    Abstract: The present invention relates to an allulose storage package for increasing storage stability of allulose syrup and a method for increasing the storage stability of allulose.
    Type: Application
    Filed: December 30, 2021
    Publication date: March 7, 2024
    Inventors: Jae-Kyung YANG, Go-Eun KIM, Ji Won PARK, Chong jin PARK, Jung Sook HAN
  • Publication number: 20240072218
    Abstract: The present disclosure provides a display device and a method for fabricating the same. According to one or more embodiments, a display device includes a substrate, pixel electrodes above the substrate, light-emitting elements above the pixel electrodes, extending in a thickness direction of the substrate, and having a polyhedral shape in the thickness direction, a width of a middle portion of the polyhedral shape being greater than a width of an upper portion of the polyhedral shape and greater than a width of a lower portion of the polyhedral shape, and a common electrode above the light-emitting elements.
    Type: Application
    Filed: May 2, 2023
    Publication date: February 29, 2024
    Inventors: Tae Jin KONG, Myeong Hee KIM, Seul Ki KIM, Ji Eun PARK, Myeong Su SO
  • Publication number: 20240067808
    Abstract: An aqueous dispersion composition according embodiments of the present invention includes an ethylene-carboxylic acid copolymer, an anti-blocking agent including a polymer wax included in a content of 5 wt % or more based on a weight of the ethylene-carboxylic acid copolymer, and an aqueous dispersion medium. A peak area corresponding to a melting point of 80° C. or less in a differential scanning calorimetry (DSC) graph is 50% or more. Blocking phenomenon is suppressed using the anti-blocking agent while achieving desired heat seal properties.
    Type: Application
    Filed: September 29, 2020
    Publication date: February 29, 2024
    Inventors: Jae Eun Lee, Ji Sun Choi, Doh Yeon Park, Hai Jin Shin
  • Patent number: 11917907
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 27, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Kyoung-Jin Park, Tae-Jin Lee, Jae-Hoon Shim, Yoo Jin Doh, Hee-Choon Ahn, Young-Kwang Kim, Doo-Hyeon Moon, Jeong-Eun Yang, Su-Hyun Lee, Chi-Sik Kim, Ji-Song Jun
  • Publication number: 20240055558
    Abstract: A light emitting element includes a first end surface and a second end surface opposite to each other, the light emitting element includes: a first semiconductor layer disposed at the first end surface; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; and an electrode layer disposed on the second semiconductor layer and disposed at the second end surface. The first semiconductor layer includes a first part, a second part disposed on the first part and adjacent to the active layer, and a third part disposed between the first part and the second part. A width of the first part and a width of the second part are different from each other, and the third part has different widths at different length positions.
    Type: Application
    Filed: June 22, 2023
    Publication date: February 15, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Eun PARK, Tae Jin KONG, Myeong Hee KIM, Seul Ki KIM, Myeong Su SO
  • Publication number: 20240034646
    Abstract: Provided is a UV reaction apparatus for treating waste liquid caused by system decontamination in a nuclear power plant. The UV reaction apparatus comprises a UV irradiation unit for irradiating UV light as a bar-shaped body; and a transit unit accommodating the UV irradiation unit therein, and for passing organic waste liquid to be irradiated with the UV light, wherein the transit unit comprises, an input unit, into which the organic waste liquid is input a discharge unit, through which the organic waste liquid is discharged, and an intermediate unit located between the input unit and the discharge unit, and in which the UV irradiation unit is located.
    Type: Application
    Filed: March 4, 2022
    Publication date: February 1, 2024
    Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD
    Inventors: Cho Rong KIM, Hak Soo KIM, Jeong Ju KIM, Sang Ho LEE, Eun Hee HONG, Ji Eun PARK, Ka Hee JEONG
  • Patent number: 11862581
    Abstract: A semiconductor package includes a support frame, and including a cavity, a semiconductor chip disposed in the cavity and having an active surface on which contact pads are arranged, and a connection member on the support frame and on the active surface of the semiconductor chip. The semiconductor chip includes a first insulating film disposed on the active surface and exposing the contact pads, a second insulating film disposed on the first insulating film and including a first opening exposing connection regions of the contact pads, and a conductive crack preventing layer disposed on the connection regions and having an outer peripheral region extending to a portion of the second insulating film around the first opening. The connection member includes an insulating layer including a second opening exposing the connection regions; and a redistribution layer connected to the contact pads through the second opening.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Eun Park, Mi Jin Park
  • Patent number: 11798464
    Abstract: A display device includes a degradation compensator, a controller, a data driver, and a display panel. The degradation compensator generates a first fitting function and a second fitting function based on image data, generates a compensation function through a harmonic mean of the first and second fitting functions, and generates a compensation value based on the compensation function. The controller receives the compensation value, and generates input image data to which the compensation value is applied. The data driver receives the input image data to which the compensation value is applied, and converts the input image data into a data voltage. The display panel includes pixels, in which each of the pixels includes a pixel circuit which receives the data voltage and a light-emitting element electrically connected to the pixel circuit.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Soo Hwang, Joon-Chul Goh, Dongjoon Kwag, Hyungjin Kim, Ji-Eun Park, Jaesung Bae, Seokha Hong
  • Publication number: 20230231097
    Abstract: A method for manufacturing a display device is provided. The method includes: placing a light emitting element on a substrate including cell areas; placing an insulating layer on the light emitting element; and separating the cell areas from each other. Light emitting panels are located on the substrate, correspond to each of the cell areas, and include the light emitting element. The separating of the cell areas from each other includes electrically separating the light emitting panels from each other. The electrically separating the light emitting panels from each other is performed after the placing of the insulating layer.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 20, 2023
    Inventors: Myeong Su SO, Myeong Hee KIM, Ji Eun PARK
  • Publication number: 20230151160
    Abstract: The present disclosure relates to a responsive polymer film, a method of preparing the responsive polymer film, and a sensor using the polymer film.
    Type: Application
    Filed: November 30, 2022
    Publication date: May 18, 2023
    Inventors: So-Jung PARK, Jerome Kartham HYUN, Ji-eun PARK, Cheon Woo MOON
  • Publication number: 20230128265
    Abstract: A display device includes a degradation compensator, a controller, a data driver, and a display panel. The degradation compensator generates a first fitting function and a second fitting function based on image data, generates a compensation function through a harmonic mean of the first and second fitting functions, and generates a compensation value based on the compensation function. The controller receives the compensation value, and generates input image data to which the compensation value is applied. The data driver receives the input image data to which the compensation value is applied, and converts the input image data into a data voltage. The display panel includes pixels, in which each of the pixels includes a pixel circuit which receives the data voltage and a light-emitting element electrically connected to the pixel circuit.
    Type: Application
    Filed: August 31, 2022
    Publication date: April 27, 2023
    Inventors: YOUNG-SOO HWANG, JOON-CHUL GOH, DONGJOON KWAG, HYUNGJIN KIM, JI-EUN PARK, JAESUNG BAE, SEOKHA HONG
  • Publication number: 20230104678
    Abstract: A display device includes a display part, a degradation compensator that generates a first compensated grayscale value by compensating for a first grayscale value corresponding to a first pixel, and generates a second compensated grayscale value by compensating for a second grayscale value corresponding to a second pixel, and a data driver that generates a first data signal based on the first compensated grayscale value to supply the first data signal to the first pixel, and generates a second data signal based on the second compensated grayscale value to supply the second data signal to the second pixel. A second degradation curve is defined by a first degradation coefficient corresponding to a first degradation curve, and a second degradation coefficient corresponding to a first estimated degradation curve for the light conversion particles of a second color calculated by applying the first degradation curve.
    Type: Application
    Filed: August 9, 2022
    Publication date: April 6, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Seok Ha HONG, Joon Chul GOH, Dong Joon KWAG, Hyung Jin KIM, Ji Eun PARK, Jae Sung BAE, Young Soo HWANG
  • Patent number: 11610528
    Abstract: An optical compensation device includes a luminance measurer that measures display luminance of a display device including a plurality of areas. A gamma corrector corrects a gamma voltage so that a first area of the plurality of areas has a gamma characteristic corresponding to a target gamma value based on the display luminance, and calculates a gamma value for each of the plurality of areas based on the display luminance. An optical compensator calculates a compensation parameter for each grayscale based on the display luminance and the gamma value. A luminance deviation for each of plurality of areas of the display device is compensated based on the compensation parameter.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jin Kim, Ji Eun Park, Hyun Seuk Yoo
  • Patent number: 11561769
    Abstract: A random number generator including: a first ring oscillator including a first inverter chain, the first inverter chain including a plurality of serially connected first inverters, the first ring oscillator configured to output a first random signal generated at a first sub-node between two neighboring first inverters among the plurality of first inverters; a second ring oscillator including a second inverter chain, the second inverter chain including a plurality of serially connected second inverters, the second ring oscillator configured to output a second random signal generated at a second sub-node between two neighboring second inverters among the plurality of second inverters; and a signal processing circuit for generating a random number by combining the first random signal with the second random signal.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-eun Park, Yong-ki Lee, Yun-hyeok Choi, Bohdan Karpinskyy
  • Publication number: 20220392853
    Abstract: A semiconductor package includes a support frame, and including a cavity, a semiconductor chip disposed in the cavity and having an active surface on which contact pads are arranged, and a connection member on the support frame and on the active surface of the semiconductor chip. The semiconductor chip includes a first insulating film disposed on the active surface and exposing the contact pads, a second insulating film disposed on the first insulating film and including a first opening exposing connection regions of the contact pads, and a conductive crack preventing layer disposed on the connection regions and having an outer peripheral region extending to a portion of the second insulating film around the first opening. The connection member includes an insulating layer including a second opening exposing the connection regions; and a redistribution layer connected to the contact pads through the second opening.
    Type: Application
    Filed: August 12, 2022
    Publication date: December 8, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Eun PARK, Mi Jin PARK
  • Publication number: 20220318436
    Abstract: An integrated circuit including: a plurality of physically unclonable function (PUF) cells each configured to generate a cell signal having a unique value; a selector configured to output a first signal obtained by not inverting a cell signal output by a PUF cell selected from the plurality of PUF cells and a second signal obtained by inverting the cell signal; and a key generator configured to generate a security key in response to the first signal or the second signal, wherein the selector includes a first conversion circuit configured to generate the first signal and a second conversion circuit having the same structure as the first conversion circuit and configured to generate the second signal.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 6, 2022
    Inventors: Bohdan Karpinskyy, Yong-ki LEE, Ji-eun Park, Kyoung-moon Ahn, Yun-Hyeok Choi
  • Patent number: 11417612
    Abstract: A semiconductor package includes a support frame, and including a cavity, a semiconductor chip disposed in the cavity and having an active surface on which contact pads are arranged, and a connection member on the support frame and on the active surface of the semiconductor chip. The semiconductor chip includes a first insulating film disposed on the active surface and exposing the contact pads, a second insulating film disposed on the first insulating film and including a first opening exposing connection regions of the contact pads, and a conductive crack preventing layer disposed on the connection regions and having an outer peripheral region extending to a portion of the second insulating film around the first opening. The connection member includes an insulating layer including a second opening exposing the connection regions; and a redistribution layer connected to the contact pads through the second opening.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: August 16, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Eun Park, Mi Jin Park
  • Patent number: 11403432
    Abstract: An integrated circuit including: a plurality of physically unclonable function (PUF) cells each configured to generate a cell signal having a unique value; a selector configured to output a first signal obtained by not inverting a cell signal output by a PUF cell selected from the plurality PUF cells and a second signal obtained by inverting the cell signal; and a key generator configured to generate a security key in response to the first signal or the second signal, wherein the selector includes a first conversion circuit configured to generate the first signal and a second conversion circuit having the same structure as the first conversion circuit and configured to generate the second signal.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bohdan Karpinskyy, Yong-ki Lee, Ji-eun Park, Kyoung-moon Ahn, Yun-hyeok Choi
  • Publication number: 20220198977
    Abstract: An optical compensation device includes a luminance measurer that measures display luminance of a display device including a plurality of areas. A gamma corrector corrects a gamma voltage so that a first area of the plurality of areas has a gamma characteristic corresponding to a target gamma value based on the display luminance, and calculates a gamma value for each of the plurality of areas based on the display luminance. An optical compensator calculates a compensation parameter for each grayscale based on the display luminance and the gamma value. A luminance deviation for each of plurality of areas of the display device is compensated based on the compensation parameter.
    Type: Application
    Filed: August 18, 2021
    Publication date: June 23, 2022
    Inventors: Hyung Jin Kim, Ji Eun Park, Hyun Seuk Yoo
  • Publication number: 20220130922
    Abstract: An embodiment provides a pixel including: a first bank pattern on a substrate; a first electrode and a second electrode on the first bank pattern and extending in a first direction; an insulating layer on the first electrode and the second electrode; a plurality of light emitting elements on the insulating layer between the first electrode and the second electrode; a first contact electrode electrically connecting the first electrode and the light emitting elements; and a second contact electrode electrically connecting the second electrode and the light emitting elements. The first electrode and the second electrode may be spaced from each other in a second direction different from the first direction on the first bank pattern.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 28, 2022
    Inventors: Ji Eun PARK, Dal Rae JIN