Patents by Inventor Kang-eun Lee

Kang-eun 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).

  • Publication number: 20240135744
    Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 25, 2024
    Inventors: Hyun Dae LEE, Il Nam KIM, Hyoung Wook JANG, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
  • Publication number: 20240129648
    Abstract: An image sensing device includes: a control circuit coupled between an output terminal of a pixel signal and a high voltage terminal, and configured to generate a control voltage corresponding to a voltage level of the pixel signal; and a current supplying circuit coupled between the output terminal and the high voltage terminal, and configured to supply a pre-charge current, which is configured to be adaptively adjusted according to the voltage level of the pixel signal, to the output terminal based on the control voltage.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Yu Jin PARK, Nam Ryeol KIM, Kang Bong SEO, Jeong Eun SONG, Jung Soon SHIN, Seung Hwan LEE
  • Patent number: 11929032
    Abstract: A display device comprises a display panel which comprises scan lines, sensing lines, pixels electrically connected to each of the scan lines, and photo sensors electrically to each of the scan lines and the sensing lines, a scan driver which outputs scan signals to the scan lines according to a scan control signal, a timing controller which outputs the scan control signal to the scan driver, and a readout circuit which receives light sensing signals of the photo sensors from the sensing lines. The timing controller sets a frame frequency of the scan control signal to a first frame frequency in a first mode in which the display panel displays an image. The timing controller sets the frame frequency of the scan control signal to a second frame frequency in a second mode in which the photo sensors sense a fingerprint.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Dae Lee, Il Nam Kim, Seung Hyun Moon, Dong Wook Yang, Kang Bin Jo, Go Eun Cha
  • Publication number: 20240078835
    Abstract: An input sensing device includes: sensor pixels, a horizontal driver, a selection circuit, and a vertical driver. Each of the sensor pixels is connected to a plurality of driving lines and a one of a plurality of signal input lines. The horizontal driver sequentially applies a horizontal driving signal to the sensor pixels through the driving lines. The selection circuit is connected to n of the signal input lines (n is a natural number of 2 or more) and to one output line. The selection circuit sequentially outputs n sensing signals received through the n signal input lines to the one output line. The vertical driver receives the n sensing signals through the one output line. The horizontal driver applies the horizontal driving signal n times to a given one of the driving lines to correspond to the n sensing signals.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Inventors: Kyung Tea PARK, Jong Hyun LEE, Kang Bin JO, Go Eun CHA
  • Publication number: 20240078836
    Abstract: An input sensing device includes: sensor pixels, a horizontal driver, a selection circuit, and a vertical driver. Each of the sensor pixels is connected to a plurality of driving lines and a one of a plurality of signal input lines. The horizontal driver sequentially applies a horizontal driving signal to the sensor pixels through the driving lines. The selection circuit is connected to n of the signal input lines (n is a natural number of 2 or more) and to one output line. The selection circuit sequentially outputs n sensing signals received through the n signal input lines to the one output line. The vertical driver receives the n sensing signals through the one output line. The horizontal driver applies the horizontal driving signal n times to a given one of the driving lines to correspond to the n sensing signals.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Inventors: Kyung Tea PARK, Jong Hyun LEE, Kang Bin JO, Go Eun CHA
  • Patent number: 11203003
    Abstract: The present invention relates to a carbon aerogel precursor, a preparation method thereof and a carbon aerogel prepared thereby and, more particularly, to a carbon aerogel precursor which can be converted into a carbon aerogel that exhibits excellent specific surface area and physical properties by using a binder that has a low carbonization ratio and is capable of performing phase conversion while using a carbon material having physical properties such as diameter, length and the like that are not adjusted, a preparation method thereof, and a carbon aerogel prepared thereby.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 21, 2021
    Assignee: KOREA INSTITUTE OF MATERIALS SCIENCE
    Inventors: Young Seok Oh, Kang Eun Lee, Jin Woo Lee, Moon Kwang Um
  • Publication number: 20200330947
    Abstract: The present invention relates to a carbon aerogel precursor, a preparation method thereof and a carbon aerogel prepared thereby and, more particularly, to a carbon aerogel precursor which can be converted into a carbon aerogel that exhibits excellent specific surface area and physical properties by using a binder that has a low carbonization ratio and is capable of performing phase conversion while using a carbon material having physical properties such as diameter, length and the like that are not adjusted, a preparation method thereof, and a carbon aerogel prepared thereby.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 22, 2020
    Inventors: Young Seok OH, Kang Eun LEE, Jin Woo LEE, Moon Kwang UM
  • Patent number: 10760950
    Abstract: An apparatus for processing data including a data compressor configured to compress ultrasonic data, and store the compressed ultrasonic data in a memory; and a data decompressor configured to read the stored ultrasonic data from the memory, decompress the read ultrasonic data, and transfer the decompressed ultrasonic data to a processor configured to perform beamforming.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: September 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Soo Kim, Do Hyung Kim, Chang Yong Son, Kang Eun Lee, Shi Hwa Lee
  • Publication number: 20190241697
    Abstract: Disclosed is a chemically decomposable thermosetting resin composition for recycling a fiber-reinforced composite, including an epoxy resin, a multifunctional glycidyl-ester-based compound, an additive having a hydroxyl group on at least one of terminals of a main chain thereof, and an acid-anhydride-based curing agent, thus exhibiting excellent chemical decomposition performance in a basic solution and a high glass transition temperature. A method of dissolving the thermosetting resin composition is also provided. Thereby, a thermosetting composite material containing a thermosetting resin of the invention enables recycling of carbon fiber through hydrolysis, and thus the carbon fiber recycling industry and the recycled resin industry can be newly expanded. The thermosetting resin can be applied to fields using not only carbon composite materials but also general thermosetting resins, and can be hydrolyzed in a basic solution, which can significantly reduce landfill or disposal costs.
    Type: Application
    Filed: February 23, 2017
    Publication date: August 8, 2019
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Jin Woo YI, Moon-Kwang UM, Sangwoo KIM, Kang Eun LEE, Youngseok OH, Dong Gi SEONG
  • Patent number: 10325604
    Abstract: Provided are a frame error concealment method and apparatus and an error concealment scheme construction method and apparatus. The frame error concealment method includes generating a new signal by synthesizing a plurality of previous signals that are similar to a signal of an error frame and reconstructing the signal of the error frame using the generated signal.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-sang Sung, Ki-hyun Choo, Jung-hoe Kim, Eun-mi Oh, Chang-yong Son, Kang-eun Lee
  • Patent number: 10283125
    Abstract: An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-mi Oh, Ki-hyun Choo, Ho-sang Sung, Chang-yong Son, Jung-hoe Kim, Kang-eun Lee
  • Patent number: 10136206
    Abstract: Provided is a device for outputting an audio signal. The device includes: a vibrator configured to output the audio signal; a vibrator cover provided on the vibrator to transmit the output audio signal to a surface of an object mounted with the device; a sensor configured to measure a pressure between the surface of the object and the vibrator cover; a distance adjusting unit configured to adjust a distance between the surface of the object and the vibrator cover based on the pressure measured by the sensor to optimally output the audio signal; and a control unit configured to control the vibrator, the sensor, and the distance adjusting unit.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang-eun Lee, Tae-hyun Yoon, Byeong-yong Jeon, Hyeon-seong Kim, Seong-hyeon Choe, Hyun-chul Choi
  • Patent number: 10096323
    Abstract: A frame error concealment method and apparatus and a decoding method and apparatus using the same. The frame error concealment method includes setting a concealment method to conceal an error based on one or more signal characteristics of an error frame having the error and concealing the error using the set concealment method.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: October 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-sang Sung, Kang-eun Lee, Jung-hoe Kim, Eun-mi Oh
  • Patent number: 10083699
    Abstract: A method and apparatus for processing audio data are provided. When an encoded audio bitstream sampled at a sampling frequency is received, a resampling ratio for processing the encoded audio bitstream is computed. If the the resampling ratio is within the resampling threshold range, then the encoded audio bitstream is processed in frequency domain and a desired number of audio samples per frame are outputted according to the resampling ratio. The encoded audio bitstream is processed in frequency domain using sample rate converter integrated into a filter bank of an audio decoder. If the resampling ratio is outside the resampling threshold range, then the encoded audio bitstream is processed in time domain and a desired number of audio samples per frame are outputted according to the resampling ratio.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: September 25, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sandeep Raju, Raj Narayana Gadde, Do Hyung Kim, Chang Yong Son, Kang Eun Lee
  • Patent number: 10013822
    Abstract: A wearable device communicating with an external device by using a vibration signal applied to a body part of a user wearing the wearable device, and a method of operating the wearable device are provided.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: July 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon-seong Kim, Hyun-chul Choi, Tae-hyun Yoon, Kang-eun Lee, Byeong-yong Jeon, Seong-hyeon Choe
  • Publication number: 20180122386
    Abstract: Provided are a frame error concealment method and apparatus and an error concealment scheme construction method and apparatus. The frame error concealment method includes generating a new signal by synthesizing a plurality of previous signals that are similar to a signal of an error frame and reconstructing the signal of the error frame using the generated signal.
    Type: Application
    Filed: December 29, 2017
    Publication date: May 3, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-sang Sung, Ki-hyun CHOO, Jung-hoe KIM, Eun-mi OH, Chang-yong SON, Kang-eun LEE
  • Patent number: 9897480
    Abstract: An apparatus for processing data including a data compressor configured to compress ultrasonic data, and store the compressed ultrasonic data in a memory; and a data decompressor configured to read the stored ultrasonic data from the memory, decompress the read ultrasonic data, and transfer the decompressed ultrasonic data to a processor configured to perform beamforming.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: February 20, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Soo Kim, Do Hyung Kim, Chang Yong Son, Kang Eun Lee, Shi Hwa Lee
  • Patent number: 9883316
    Abstract: A method of generating a multi-channel audio signal includes: representing locations of a plurality of speakers as a plurality of polygons whose vertices are located at locations of corresponding speakers; acquiring a location of an object sound; calculating distances between the plurality of polygons and the location of the object sound; selecting one of the plurality of polygons on the basis of the calculated distances; and generating a multi-channel audio signal that corresponds to speakers corresponding to the selected polygon by mapping the object sound to the speakers corresponding to the selected polygon.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: January 30, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok-hwan Jo, Do-Hyung Kim, Kang-eun Lee, Si-hwa Lee
  • Patent number: 9858933
    Abstract: Provided are a frame error concealment method and apparatus and an error concealment scheme construction method and apparatus. The frame error concealment method includes generating a new signal by synthesizing a plurality of previous signals that are similar to a signal of an error frame and reconstructing the signal of the error frame using the generated signal.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: January 2, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-sang Sung, Ki-hyun Choo, Jung-hoe Kim, Eun-mi Oh, Chang-yong Son, Kang-eun Lee
  • Patent number: D1019375
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: March 26, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyo Eun Lee, Sae Rom Jung, Yun Jung Baek, Kang Kook Lee, Moon Joo Kim