Patents by Inventor Eun-Jin Choi
Eun-Jin Choi 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).
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Publication number: 20240124032Abstract: An automated driving system of a vehicle includes a driver monitoring unit configured to perform at least one of monitoring a gaze of a driver and determining a position of a hand of the driver, an automated-driving-level switching unit configured to determine whether a transition of a driving control over the vehicle is required based on whether driving environment of the vehicle has changed during the vehicle being driven under control of the automated driving system, and determine an automated driving level to be switched based on a driver monitoring result obtained by the drive monitoring unit, and an automated driving control unit configured to control the vehicle according to the automated driving level.Type: ApplicationFiled: June 29, 2023Publication date: April 18, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Eun Young CHOI, Woo Jin KIM, Ki Seok SEONG, Dong Il YANG, Da Ye PYUN
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Patent number: 11950476Abstract: A display device includes a substrate; a transistor disposed on the substrate; a first insulating layer disposed on the transistor; and a first pixel electrode and a second pixel electrode disposed on the first insulating layer to be adjacent to each other. The first insulating layer includes a first opening between the first pixel electrode and the second pixel electrode.Type: GrantFiled: April 17, 2020Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Ho Choi, Chun Gi You, Seong Kweon Heo, Eun Young You, Hyun Jin Hong
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Patent number: 11948532Abstract: A display device comprises a display area including a plurality of pixels, a peak driving determination part determining peak driving based on an input image signal, a normal driving compensation part including a first luminance lookup table having a first luminance as a peak luminance, a peak driving compensation part including a second luminance lookup table having a second luminance higher than the first luminance as a peak luminance, a compensation adjusting part that generates a peak driving gamma curve by smoothing a first and second luminance gamma curves corresponding to the first and second luminance lookup tables and generates a peak driving lookup table according to the peak driving gamma curve, and a signal controller generating an image data signal by applying one normal driving lookup table to a portion of the display area and applying the peak driving lookup table to an other portion of the display area.Type: GrantFiled: October 31, 2022Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Pyun, Eun Jin Choi
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Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
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Publication number: 20240080320Abstract: A server according to an embodiment includes a processor configured to receive a friend add request for a target account from a user terminal accessed with a user account; based on one of the user account and the target account being a protected account, transmit an approval request for the friend add request to a protector account connected to the protected account; and based on receiving a reply to the approval request from the protector terminal, add the target account to a friend list of the user account.Type: ApplicationFiled: April 27, 2023Publication date: March 7, 2024Inventors: You Jin KIM, Jung Woo CHOI, Jenog Ryeol CHOI, Joong Seon KIM, Hong Chan YUN, Ju Ho CHUNG, Do Hyun YOUN, Hyung Min KIM, Hyun Ok CHOI, Chun Ho KIM, Soo Beom KIM, Min Jeong KIM, Chang Oh HEO, Eun Soo HEO
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Publication number: 20240066564Abstract: Proposed are a substrate processing apparatus and a substrate processing method capable of efficiently preventing contamination of a substrate and a processing space caused by a reverse flow of purge gas.Type: ApplicationFiled: March 27, 2023Publication date: February 29, 2024Applicant: SEMES CO., LTD.Inventors: Do Hyung KIM, Dae Hun KIM, Young Jin KIM, Tae Ho KANG, Young Joon HAN, Eun Hyeok CHOI, Jun Gwon LEE
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Patent number: 11915668Abstract: A display device includes a display panel including a plurality of pixels, a display panel driver, and a zone compensating circuit which divides the display panel into a plurality of unit blocks, obtains load values of input image data for the unit blocks, and generates corrected image data by correcting the input image data based on the load values. Each of the load values corresponds to one of the unit blocks. The display panel driver generates a data signal for displaying an image on the display panel based on the corrected image data. When grayscale values included in the input image data are the same, a luminance of the image displayed on the display panel is decreased moving away from a center of a reference block having a largest load value among the unit blocks based on the corrected image data.Type: GrantFiled: May 9, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Jin Choi, Ki Hyun Pyun, Sung In Kang
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Patent number: 11917755Abstract: The carrier-foil-attached ultra-thin copper foil according to one embodiment of the present invention comprises a carrier foil, a release layer, a first ultra-thin copper foil, a Cu—Al bonding strength improvement layer, an Al layer, and a second ultra-thin copper foil, wherein the release layer may comprise a first metal (A3) having peeling properties, and a second metal (B3) and third metal (C3) facilitating the plating of the first metal (A3).Type: GrantFiled: January 15, 2018Date of Patent: February 27, 2024Assignee: Lotte Energy Materials CorporationInventors: Won Jin Beom, Sun Hyung Lee, Eun Sil Choi, Ki Deok Song, Hyung Cheol Kim
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Patent number: 11908365Abstract: A display device including: a display area including pixels connected to data lines and scan lines, the display area including a plurality of signal output lines connected to each of the scan lines through a contact; a data driver including a first data driving circuit at a side of the display area; a scan driver disposed at the side of the display area; and a timing controller, wherein the first data driving circuit includes: output buffers which respectively output data signals to first to k-th data lines (k is an integer greater than 2) of the data lines; and an output delay controller which transmits the data signals to the output buffers through first to k-th transmission lines, and controls delay times of the data signals output to the first to k-th transmission lines based on position information of a pixel row to which the data signals are supplied.Type: GrantFiled: December 6, 2022Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Jang Mi Lee, Eun Jin Choi
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Patent number: 11908433Abstract: A display device includes: a pixel part partitioned into blocks; a scale factor provider which calculates a first load value of input image data for the pixel part, calculates a second load value of the input image data for each block, and generates a scale factor based on the first and second load values; and a timing controller which generates image data by scaling gray values of the input image data based on the scale factor. The scale factor provider generates a first scale factor for commonly controlling the gray values for the blocks based on the first load value, when the first load value is greater than or equal to a reference load value, and generates a second scale factor for controlling gray value for each block based on the first and second load values, when the first load value is less than the reference load value.Type: GrantFiled: April 13, 2023Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Jang Mi Lee, Eun Jin Choi
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Patent number: 11837148Abstract: A display device includes a plurality of pixels grouped into blocks divided into block rows extending in a first direction and arranged in a second direction, wherein each block includes two or more pixels connected to a first power source line, and each pixel is assigned with a grayscale value in a range of grayscale values that is divided into a plurality of grayscale sections; and a first power source voltage adjuster selecting a reference block row, and determining a magnitude of a first power source voltage supplied to the first power source line based on a number of blocks in the reference block row having a grayscale section that is same as a maximum grayscale section of the reference block row. The maximum grayscale section corresponds to a grayscale section that includes a largest grayscale value having a grayscale value ratio greater than a minimum ratio.Type: GrantFiled: July 29, 2022Date of Patent: December 5, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Pyun, Won Jin Seo, Eun Jin Choi
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Patent number: 11735141Abstract: Provided herein may be a display device. The display device may include a display panel including a plurality of unit blocks disposed in a display area, the plurality of unit blocks including a first area displaying a logo or a banner, a second area having largest load value and a third area disposed between the first area and the second area, a display panel driver configured to generate data voltages based on input image data, and a zonal compensator configured to receive the input image data, to calculate load values of the input image data for the plurality of unit blocks, respectively, and to control luminance of each of the first area and the third area based on a location difference between the first area and the second area and a load value difference between the first area and the second area.Type: GrantFiled: May 16, 2022Date of Patent: August 22, 2023Assignee: Samsung Display Co., Ltd.Inventors: Eun Jin Choi, Won Jin Seo, Ki Hyun Pyun
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Publication number: 20230252955Abstract: A display device includes: a pixel part partitioned into blocks; a scale factor provider which calculates a first load value of input image data for the pixel part, calculates a second load value of the input image data for each block, and generates a scale factor based on the first and second load values; and a timing controller which generates image data by scaling gray values of the input image data based on the scale factor. The scale factor provider generates a first scale factor for commonly controlling the gray values for the blocks based on the first load value, when the first load value is greater than or equal to a reference load value, and generates a second scale factor for controlling gray value for each block based on the first and second load values, when the first load value is less than the reference load value.Type: ApplicationFiled: April 13, 2023Publication date: August 10, 2023Inventors: Ki Hyun PYUN, Jang Mi LEE, Eun Jin CHOI
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Patent number: 11657780Abstract: A display device includes: a pixel part partitioned into blocks; a scale factor provider which calculates a first load value of input image data for the pixel part, calculates a second load value of the input image data for each block, and generates a scale factor based on the first and second load values; and a timing controller which generates image data by scaling gray values of the input image data based on the scale factor. The scale factor provider generates a first scale factor for commonly controlling the gray values for the blocks based on the first load value, when the first load value is greater than or equal to a reference load value, and generates a second scale factor for controlling gray value for each block based on the first and second load values, when the first load value is less than the reference load value.Type: GrantFiled: June 11, 2021Date of Patent: May 23, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Jang Mi Lee, Eun Jin Choi
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Patent number: 11645974Abstract: A display device includes a pixel unit including pixels, a timing controller configured to generate image data based on input image data, a data driver configured to generate a data signal corresponding to the image data and supply the data signal to the pixels, a power supply configured to supply a power voltage to the pixel unit, and a power controller configured to calculate a load value and a peak grayscale value based on the input image data, and to generate a power control signal to change a voltage level of the power voltage based on the load value and the peak grayscale value.Type: GrantFiled: May 13, 2022Date of Patent: May 9, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Jang Mi Lee, Eun Jin Choi
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Patent number: 11641624Abstract: Provided are wake-up radio systems and methods based on backscatter wake-up radio. The wake-up radio method based on backscatter wake-up radio includes setting an arbitrary receiving window period in a window setting period by receiving a beacon signal from a data collection apparatus, transmitting a backscatter response message to the data collection apparatus based on a reception time of a contention signal received from the data collection apparatus in the set receiving window period, in the window setting period, and receiving a wake-up signal from the data collection apparatus in the data transmission period to set as a wake-up period and transmitting data to the data collection apparatus based on a scheduling time according to a backscatter response message.Type: GrantFiled: June 29, 2020Date of Patent: May 2, 2023Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Tae-Jin Lee, Eun-Jin Choi, Yunmin Kim
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Patent number: 11636798Abstract: A display device includes: a pixel unit including pixels connected to data lines and scan lines, and signal output lines, where at least one signal output line of the signal output lines is connected to each of the scan lines through a contact point; a data driver disposed at one side of the pixel unit to drive the data lines; a scan driver disposed at the one side of the pixel unit together with the data driver to drive the scan lines; and a timing controller controlling the data driver and the scan driver. The data driver includes: output buffers outputting data signals to the data lines, respectively; and a slew rate controller adjusting a slew rate of the data signals by controlling a bias value supplied to the output buffers in units of pixel rows based on positions of the pixels and a change in the data signals.Type: GrantFiled: April 11, 2022Date of Patent: April 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Min Young Park, Eun Jin Choi
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Publication number: 20230101159Abstract: A display device including: a display area including pixels connected to data lines and scan lines, the display area including a plurality of signal output lines connected to each of the scan lines through a contact; a data driver including a first data driving circuit at a side of the display area; a scan driver disposed at the side of the display area; and a timing controller, wherein the first data driving circuit includes: output buffers which respectively output data signals to first to k-th data lines (k is an integer greater than 2) of the data lines; and an output delay controller which transmits the data signals to the output buffers through first to k-th transmission lines, and controls delay times of the data signals output to the first to k-th transmission lines based on position information of a pixel row to which the data signals are supplied.Type: ApplicationFiled: December 6, 2022Publication date: March 30, 2023Inventors: Ki Hyun PYUN, Jang Mi LEE, Eun Jin CHOI
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Publication number: 20230052687Abstract: A display device comprises a display area including a plurality of pixels, a peak driving determination part determining peak driving based on an input image signal, a normal driving compensation part including a first luminance lookup table having a first luminance as a peak luminance, a peak driving compensation part including a second luminance lookup table having a second luminance higher than the first luminance as a peak luminance, a compensation adjusting part that generates a peak driving gamma curve by smoothing a first and second luminance gamma curves corresponding to the first and second luminance lookup tables and generates a peak driving lookup table according to the peak driving gamma curve, and a signal controller generating an image data signal by applying one normal driving lookup table to a portion of the display area and applying the peak driving lookup table to an other portion of the display area.Type: ApplicationFiled: October 31, 2022Publication date: February 16, 2023Inventors: Ki Hyun PYUN, Eun Jin CHOI
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Patent number: 11538384Abstract: A display device including: a display area including pixels connected to data lines and scan lines, the display area including a plurality of signal output lines connected to each of the scan lines through a contact; a data driver including a first data driving circuit at a side of the display area; a scan driver disposed at the side of the display area; and a timing controller, wherein the first data driving circuit includes: output buffers which respectively output data signals to first to k-th data lines (k is an integer greater than 2) of the data lines; and an output delay controller which transmits the data signals to the output buffers through first to k-th transmission lines, and controls delay times of the data signals output to the first to k-th transmission lines based on position information of a pixel row to which the data signals are supplied.Type: GrantFiled: June 21, 2021Date of Patent: December 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Jang Mi Lee, Eun Jin Choi