Patents by Inventor Seung-won Cha

Seung-won Cha 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: 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
  • Publication number: 20200125215
    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: Application
    Filed: May 29, 2018
    Publication date: April 23, 2020
    Inventors: Mee Ryung CHOI, Keun Sik LEE, Hye Won IM, Moo Young KIM, Ki Huk LEE, Seung Won CHA, Ho Chul HWANG
  • Patent number: 9673237
    Abstract: A depth pixel of a three-dimensional image sensor includes a first photo gate which is turned on/off in response to a first photo control signal, a first photo detection area configured to generate first charges based on a received light reflected from a subject when the first photo gate is turned on, a first transmission gate which is turned on/off in response to a first transmission control signal, a first floating diffusion area configured to accumulate the first charges generated from the first photo detection area when the first transmission gate is turned on, and a first compensation unit configured to generate second charges which are different from the first charges based on ambient light components included in the received light to supply the second charges to the first floating diffusion area.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: June 6, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seoung-Hyun Kim, Yoon-Dong Park, Yong-Jei Lee, Joo-Yeong Gong, Hee-Woo Park, Seung-Won Cha, Sung-Chul Kim
  • Patent number: 9380242
    Abstract: An image sensor according to an example embodiment of includes a first pixel and a second pixel in a first row. The first pixel includes a first photoelectric conversion element at a first depth in a semiconductor substrate and the first photoelectric conversion element is configured to convert a first visible light spectrum into a first photo charge, and the second pixel includes a second photoelectric conversion element at a second depth from the first depth in the semiconductor substrate, the second photoelectric conversion element is at least partially overlapped by the first photoelectric conversion element in a vertical direction, and the second photoelectric conversion element is configured to convert a second visible light spectrum into a second photo charge.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seoung Hyun Kim, Mun Hwan Kim, Chan Hyung Kim, Jung Bin Yun, Young Gu Jin, Seung Won Cha
  • Patent number: 9344657
    Abstract: A depth pixel of an image sensor includes a depth sensing element configured to generate first charges that are photo-electrically converted from a light reflected from an object, a first floating diffusion node configured to receive the first charges from the depth sensing element, a second floating diffusion node configured to output second charges corresponding to a component of a reflection light where a component of an ambient light is cancelled, and an ambient light cancellation circuit configured to detect the ambient light to control a barrier level of a charge transfer path between the first floating diffusion node and the second floating diffusion node in response to the ambient light.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seoung-Hyun Kim, Yoon-Dong Park, Yong-Jei Lee, Joo-Yeong Gong, Hee-Woo Park, Seung-Won Cha
  • Publication number: 20150116565
    Abstract: An image sensor according to an example embodiment of includes a first pixel and a second pixel in a first row. The first pixel includes a first photoelectric conversion element at a first depth in a semiconductor substrate and the first photoelectric conversion element is configured to convert a first visible light spectrum into a first photo charge, and the second pixel includes a second photoelectric conversion element at a second depth from the first depth in the semiconductor substrate, the second photoelectric conversion element is at least partially overlapped by the first photoelectric conversion element in a vertical direction, and the second photoelectric conversion element is configured to convert a second visible light spectrum into a second photo charge.
    Type: Application
    Filed: September 25, 2014
    Publication date: April 30, 2015
    Inventors: Seoung Hyun KIM, Mun Hwan KIM, Chan Hyung KIM, Jung Bin YUN, Young Gu JIN, Seung Won CHA
  • Publication number: 20140253905
    Abstract: A depth pixel of an image sensor includes a depth sensing element configured to generate first charges that are photo-electrically converted from a light reflected from an object, a first floating diffusion node configured to receive the first charges from the depth sensing element, a second floating diffusion node configured to output second charges corresponding to a component of a reflection light where a component of an ambient light is cancelled, and an ambient light cancellation circuit configured to detect the ambient light to control a barrier level of a charge transfer path between the first floating diffusion node and the second floating diffusion node in response to the ambient light.
    Type: Application
    Filed: November 29, 2013
    Publication date: September 11, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Seoung-Hyun KIM, Yoon-Dong PARK, Yong-Jei LEE, Joo-Yeong GONG, Hee-Woo PARK, Seung-Won CHA
  • Publication number: 20140225173
    Abstract: A depth pixel of a three-dimensional image sensor includes a first photo gate which is turned on/off in response to a first photo control signal, a first photo detection area configured to generate first charges based on a received light reflected from a subject when the first photo gate is turned on, a first transmission gate which is turned on/off in response to a first transmission control signal, a first floating diffusion area configured to accumulate the first charges generated from the first photo detection area when the first transmission gate is turned on, and a first compensation unit configured to generate second charges which are different from the first charges based on ambient light components included in the received light to supply the second charges to the first floating diffusion area.
    Type: Application
    Filed: December 10, 2013
    Publication date: August 14, 2014
    Inventors: SEOUNG-HYUN KIM, YOON-DONG PARK, YONG-JEI LEE, JOO-YEONG GONG, HEE-WOO PARK, SEUNG-WON CHA
  • Publication number: 20140198183
    Abstract: A depth-sensing pixel included in a three-dimensional (3D) image sensor includes: a photoelectric conversion device configured to generate an electrical charge by converting modulated light reflected by a subject; a capture transistor, controlled by a capture signal applied to the gate thereof, the photoelectric conversion device being connected to the drain thereof; and a transfer transistor, controlled by a transfer signal applied to the gate thereof, the source of the capture transistor being connected to the drain thereof, and a floating diffusion region being connected to the source thereof.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 17, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seoung-hyun Kim, Yong-jei Lee, Joo-yeong Gong, Sung-chul Kim, Yoon-dong Park, Hee-woo Park, Seung-won Cha