Patents by Inventor In-Chul Hwang

In-Chul Hwang 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: 11170090
    Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: November 9, 2021
    Assignee: Samsung Display Co., LTD.
    Inventors: Won Sang Park, Jin Oh Kwag, Il Nam Kim, Ji Hun Ryu, Seung Hyun Moon, Bong Hyun You, Jong Hyun Lee, Hee Chul Hwang
  • Publication number: 20210265351
    Abstract: A semiconductor device and a method for fabricating the same, the device including an active pattern extending in a first direction on a substrate; a field insulating film surrounding a part of the active pattern; a first gate structure extending in a second direction on the active pattern and the field insulating film, a second gate structure spaced apart from the first gate structure and extending in the second direction on the active pattern and the field insulating film; and a first device isolation film between the first and second gate structure, wherein a side wall of the first gate structure facing the first device isolation film includes an inclined surface having an acute angle with respect to an upper surface of the active pattern, and a lowermost surface of the first device isolation film is lower than or substantially coplanar with an uppermost surface of the field insulating film.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: Eui Chul Hwang, Ju Youn Kim, Hyung Joo Na, Bong Seok Suh, Sang Min Yoo, Joo Ho Jung, Sung Moon Lee
  • Patent number: 11080507
    Abstract: A fingerprint sensor includes a substrate, a light blocking layer that is on a first surface of the substrate and includes openings in a light blocking mask, and a sensor layer that is on a second surface of the substrate and includes photo sensors. A fingerprint sensing method of the fingerprint sensor includes: storing a calibration image; generating an original image, based on sensing signals from the photo sensors; performing calibration on the original image by utilizing the calibration image; and detecting a fingerprint, based on the calibrated image. The calibration image is generated by synthetizing valid regions extracted from an original calibration image corresponding to the original image.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 3, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Dae Lee, Seung Hyun Moon, Dong Wook Yang, Hee Chul Hwang, Deok Hwa Woo, Young Eun Lee
  • Publication number: 20210235176
    Abstract: An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first surface facing in a first direction and a second surface facing in a second direction that is opposite to the first direction, the first surface comprising an at least partially transparent part and at least one opening formed adjacent to the at least partially transparent part; a camera positioned inside the housing, the camera comprising an image sensor facing in the first direction through the at least partially transparent part of the housing; and an acoustic component arranged between the first surface and the second surface, the acoustic component comprising a vibration plate configured to generate a sound such that the same moves in at least one direction selected from the first and second directions, a first passage formed in a third direction that is substantially perpendicular to the first direction such that the generated sound passes through the same, and a second passage forme
    Type: Application
    Filed: April 9, 2021
    Publication date: July 29, 2021
    Inventors: Young-Bae PARK, Byoung-Hee LEE, Jae-Hee YOU, Tae-Eon KIM, Han-Bom PARK, Sun-Young LEE, Byoung-Uk YOON, Kyung-Hee LEE, Ho-Chul HWANG
  • Publication number: 20210227322
    Abstract: An electronic device comprising: a microphone array including at least three microphones; and at least one processor configured to: identify a kind of an application that is executed; activate one or more of the microphones in the array based on each microphone's respective position within the electronic device and the type of the application; and capture audio using the activated microphones.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 22, 2021
    Inventors: Jong Mo KEUM, Min Ho BAE, Jung Yeol AN, Gang Youl KIM, Jun Tai KIM, Jae Mo YANG, Nam Il LEE, Ho Chul HWANG
  • Patent number: 11063150
    Abstract: A semiconductor device may include active fins each of which extends in a first direction on a substrate, the active fins being spaced apart from each other in a second direction different from the first direction, a conductive structure extending in the second direction on the substrate, the conductive structure contacting the active fins, a first diffusion break pattern between the substrate and the conductive structure, the first diffusion break pattern dividing a first active fin of the active fins into a plurality of pieces aligned in the first direction, and a second diffusion break pattern adjacent to the conductive structure on the substrate, the second diffusion break pattern having an upper surface higher than a lower surface of the conductive structure, and dividing a second active fin of the active fins into a plurality of pieces aligned in the first direction.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Sang-Min Yoo, Byung-Sung Kim, Ju-Youn Kim, Bong-Seok Suh, Hyung-Joo Na, Sung-Moon Lee, Joo-Ho Jung, Eui-Chul Hwang
  • Publication number: 20210201746
    Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver configured to receive input data, and to drive the display panel based on the input data. The panel driver includes a partial still image detector configured to detect a still image data portion in the input data by determining whether at least a portion of the input data represents a still image, and a command decoder configured to extract command data from the input data by decoding the still image data portion in which the command data are encoded.
    Type: Application
    Filed: July 23, 2020
    Publication date: July 1, 2021
    Inventors: Hae-Kwan SEO, Dong-Wook CHOI, Se Ja Chul HWANG
  • Publication number: 20210191971
    Abstract: The disclosure relates to an artificial intelligence (AI) system using a machine learning algorithm such as deep learning and the like, and an application thereof. In particular, there is provided a control method for an electronic apparatus for searching for an image, the method comprising displaying an image comprising at least one object, detecting a user input for selecting an object, recognizing an object displayed at a point at which the user input is detected and acquiring information regarding the recognized object by using a recognition model trained to acquire information regarding an object, displaying a list including the information regarding the object, and based on one piece of information being selected from the information regarding the object included in the list, providing a related image by searching for the related image based on the selected information.
    Type: Application
    Filed: October 24, 2018
    Publication date: June 24, 2021
    Inventors: Hyeon Mok KO, Hyung Rai OH, Hong Chul KIM, Silas JEON, In-Chul HWANG
  • Publication number: 20210171171
    Abstract: An underwater vehicle having a hovering system using a tube type launcher. The underwater vehicle includes a streamlined body and a hovering system connected to a rear of the streamlined body to generate a kinetic force of the streamlined body. The hovering system includes an extension shaft extended to be connected to the rear, a connection assembly connected to the rear through the extension shaft, and an auxiliary propeller assembly connected to the connection assembly.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 10, 2021
    Applicant: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Kun Chul HWANG, Dong Hoon LEE, Jun Ho LEE, Jae Moon YOON
  • Patent number: 11024241
    Abstract: A timing controller may include a first compensator configured to generate second data by optically compensating for first data, based on compensation data, a first compensation memory configured to store the compensation data, a second compensator configured to generate image data by compensating for a lifetime of the second data, based on accumulated data of the second data, and a second compensation memory configured to store the accumulated data and the compensation data.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Dae Lee, Seung Hyun Moon, Dong Wook Yang, Bit Na Lee, Hee Chul Hwang
  • Publication number: 20210158847
    Abstract: A memory device includes a plurality of latches arranged in a plurality of columns including a first column and a second column and in a plurality of rows, a first flip flop configured to output first data, to first latches arranged in the first column, among the plurality of latches, based on a clock, and a second flip flop configured to output second data, to second latches arranged in the second column, among the plurality of latches, based on the clock. The first flip flop is further configured to, in a lock time section in which the first latches and the second latches maintain an output regardless of an input, block output of the first data to the first latches, and the second flip flop is further configured to, in the lock time section, block output of the second data to the second latches.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-shin YOO, Min-su KIM, Hyun-chul HWANG
  • Patent number: 11019427
    Abstract: An electronic device comprising: a microphone array including at least three microphones; and at least one processor configured to: identify a kind of an application that is executed; activate one or more of the microphones in the array based on each microphone's respective position within the electronic device and the type of the application; and capture audio using the activated microphones.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: May 25, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Mo Keum, Min Ho Bae, Jung Yeol An, Gang Youl Kim, Jun Tai Kim, Jae Mo Yang, Nam Il Lee, Ho Chul Hwang
  • Patent number: 11011519
    Abstract: A semiconductor device and a method for fabricating the same, the device including an active pattern extending in a first direction on a substrate; a field insulating film surrounding a part of the active pattern; a first gate structure extending in a second direction on the active pattern and the field insulating film, a second gate structure spaced apart from the first gate structure and extending in the second direction on the active pattern and the field insulating film; and a first device isolation film between the first and second gate structure, wherein a side wall of the first gate structure facing the first device isolation film includes an inclined surface having an acute angle with respect to an upper surface of the active pattern, and a lowermost surface of the first device isolation film is lower than or substantially coplanar with an uppermost surface of the field insulating film.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eui Chul Hwang, Ju Youn Kim, Hyung Joo Na, Bong Seok Suh, Sang Min Yoo, Joo Ho Jung, Sung Moon Lee
  • Publication number: 20210142029
    Abstract: A display device includes a display panel including a plurality of pixels configured to display an image, a photo sensor on one surface of the display panel to sense light, and a fingerprint detector configured to control a fake determination image pattern of a fingerprint sensing area of the display panel configured to sense a fingerprint, and to perform fingerprint authentication and fake fingerprint determination, based on a sensing signal supplied from the photo sensor.
    Type: Application
    Filed: July 13, 2020
    Publication date: May 13, 2021
    Inventors: Seung Hyun MOON, Yun Ho KIM, Jin Oh KWAG, Won Sang PARK, Bong Hyun YOU, Keum Dong JUNG, Chul KIM, Jun Hee MOON, Deok Hwa WOO, Hee Chul HWANG
  • Patent number: 11003293
    Abstract: An electronic device and method are disclosed. The electronic device includes a memory, a display, a touch sensor included in the display or coupled to the display, and configured to sense a touch. A pressure sensor configured to detect a pressure value of the touch and a processor electrically connected with the memory, the display, the touch sensor, and the pressure sensor, wherein the processor is configured to sense a first touch having a pressure value of a specified threshold value or greater, by using the touch sensor and the pressure sensor, store first location data of the first touch in the memory, sense a second touch, by using the touch sensor and the pressure sensor, wherein the second touch has a pressure value of the specified threshold value or greater and is made after sensing the first touch and perform a specified operation of utilizing the first location data and second location data of the second touch as an input, in response to sensing the second touch.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: May 11, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mee Ryung Choi, Keun Sik Lee, Hye Won Im, Moo Young Kim, Ki Huk Lee, Seung Won Cha, Ho Chul Hwang
  • Patent number: 11005166
    Abstract: Disclosed is a patch antenna module, which receives a signal for position information and a signal for vehicle communication by using one patch antenna, thereby minimizing a mounting space. The disclosed patch antenna module includes a dielectric; an upper patch formed on one surface of the dielectric and for receiving a signal for position information; a lower patch formed on the other surface of the dielectric; and a feed pin for penetrating the dielectric, the upper patch, and the lower patch, formed in a length within a predetermined range, and for receiving a signal for vehicle communication.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: May 11, 2021
    Assignee: AMOTECH CO., LTD.
    Inventors: Chul Hwang, In-Jo Jeong, Sang-O Kim, Dong-Hwan Koh, Won-Hee Lee, Hyun-Woo Oh
  • Publication number: 20210125577
    Abstract: In a method of generating compensation data for a display device, first color, second color, and third color compensation value sets may be obtained by capturing first color, second color, and third color images displayed by the display device, respectively, white, first color, second color, and third color loading luminances may be obtained by capturing white, first color, second color, and third color loading patterns displayed by the display device, respectively, first color, second color, and third color scale factors may be calculated by dividing a luminance decrease ratio of the white loading luminance by luminance decrease ratios of the first color, second color, and third color loading luminances, respectively, and the first color, second color, and third color compensation value sets and the first color, second color, and third color scale factors may be stored in the display device.
    Type: Application
    Filed: July 14, 2020
    Publication date: April 29, 2021
    Inventors: Seok Ha HONG, Dong Joon KWAG, Hyung Jin KIM, Ji-Eun PARK, Hye-Sang PARK, Hyun Seuk YOO, Hee Chul HWANG
  • Publication number: 20210118885
    Abstract: Semiconductor devices and methods of forming the same are provided. Semiconductor devices may include a substrate including first and second regions, first active fins extending in a first direction on the first region, second active fins extending parallel to the first active fins on the second region, and single diffusion break regions between two first active fins. Single diffusion break regions may be spaced apart from each other in the first direction. The semiconductor devices may also include a lower diffusion break region between two second active fins and extending in a second direction that is different from the first direction and upper diffusion break regions on the lower diffusion break region. The upper diffusion break regions may be spaced apart from each other in the first direction, and each of the upper diffusion break regions may overlap the lower diffusion break region.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 22, 2021
    Inventors: Jun Mo PARK, Ju Youn KIM, Hyung Joo NA, Sang Min YOO, Eui Chul HWANG
  • Publication number: 20210117639
    Abstract: The display device comprises: a display panel displaying an image, a light blocking layer disposed under the display panel and comprising a plurality of holes, a fingerprint sensing layer disposed under the light blocking layer and comprising a plurality of fingerprint sensors receiving reflected light passing through the plurality of hole and generating a sensing signal, and a sensor driver controlling operations of the plurality of fingerprint sensors. The sensor driver compares fingerprint data generated based on a sensing signal generated from reflected light by a user's fingerprint with prestored reference data to generate a fingerprint image.
    Type: Application
    Filed: July 16, 2020
    Publication date: April 22, 2021
    Inventors: Dong Wook YANG, Hyun Dae Lee, Seung Hyun Moon, Young Eun Lee, Hee Chul Hwang
  • Patent number: 10979794
    Abstract: An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first surface facing in a first direction and a second surface facing in a second direction that is opposite to the first direction, the first surface comprising an at least partially transparent part and at least one opening formed adjacent to the at least partially transparent part; a camera positioned inside the housing, the camera comprising an image sensor facing in the first direction through the at least partially transparent part of the housing; and an acoustic component arranged between the first surface and the second surface, the acoustic component comprising a vibration plate configured to generate a sound such that the same moves in at least one direction selected from the first and second directions, a first passage formed in a third direction that is substantially perpendicular to the first direction such that the generated sound passes through the same, and a second passage forme
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: April 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bae Park, Byoung-Hee Lee, Jae-Hee You, Tae-Eon Kim, Han-Bom Park, Sun-Young Lee, Byoung-Uk Yoon, Kyung-Hee Lee, Ho-Chul Hwang