Patents by Inventor Jae-Hyung Jang

Jae-Hyung Jang 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: 11942492
    Abstract: An image sensing device includes a semiconductor substrate, a photoelectric conversion region structured to generate charge carriers from incident light and capture the charge carriers using an electric potential difference caused by a demodulation control signal applied to the photoelectric conversion region, and a circuit region disposed adjacent to the photoelectric conversion region, the circuit region including a plurality of pixel transistors that generate and output a pixel signal corresponding to the charge carriers captured by the photoelectric conversion region. The circuit region includes a first well region formed to have a first length in a first direction, and a second well region formed below the first well region such that a lower end of the first well region is in contact with an upper end of the second well region, and formed to have a second length shorter than the first length in the first direction.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: March 26, 2024
    Assignee: SK HYNIX INC.
    Inventor: Jae Hyung Jang
  • Patent number: 11928892
    Abstract: Methods for operating a motion recognition apparatus are disclosed. In some implementations, a method for recognizing a motion or gesture of an object may include operating an optical sensor device to capture light reflected from the object under illumination by light emitted toward the object, generating, by comparing the emitted light to the reflected light, a depth image including distance information indicating a distance between the optical sensor device and the object, generating, based on the light reflected from the object, an infrared image including infrared image information associated with the object, and determining the motion of the object based on at least one of the depth image and the infrared image.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: March 12, 2024
    Assignee: SK HYNIX INC.
    Inventor: Jae Hyung Jang
  • Patent number: 11830893
    Abstract: An image sensing device is provided to include a pixel array having a plurality of pixels arranged in a matrix shape. Each of the pixels includes: a control node configured to generate a hole current in a substrate; a detection node configured to capture photocharge migrated by the hole current, formed in a shape whose at least part is partially open, and disposed to surround the control node, and a low resistance region including a dielectric layer formed in the substrate, and disposed in the opening on of the detection node. The low resistance region includes an inner low resistance region disposed between the control node and the center of the pixel.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: November 28, 2023
    Assignee: SK HYNIX INC.
    Inventors: Hyung June Yoon, Jong Eun Kim, Jong Chae Kim, Jae Won Lee, Jae Hyung Jang, Hoon Moo Choi
  • Patent number: 11809657
    Abstract: The present disclosure relates to a display device for improving productivity. The display device having a touch sensor is configured such that the total thickness of at least one inorganic insulation layer disposed on the region above each of dams is different from the total thickness of the at least one inorganic insulation layer disposed on a trench region between the dams. Thus, a photoresist for forming a routing line is formed so as to have a uniform thickness on the region above each of the dams and the trench region between the dams, and thus productivity is improved.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: November 7, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Hyung Jang, Min-Joo Kim, Eun-Pyo Hong, Jae-Won Lee, Sang-Hoon Pak, Sang-Hyuk Won, Yeon-Woo Shin, Ji-Hun Lee
  • Patent number: 11775106
    Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: October 3, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae-Won Lee, Min-Joo Kim, Sang-Hyuk Won, Jae-Hyung Jang
  • Patent number: 11764238
    Abstract: An image sensing device is provided to include a pixel array of unit pixels, each pixel structured to respond to incident light to produce photocharges and including different photosensing sub-pixels at different locations within the unit pixel to detect incident light, different detection structures formed at peripheral locations of the different photosensing sub-pixels of the unit pixel, respectively, and configured to receive the photocharges that are generated by the different photosensing sub-pixels of and are carried by a current in the unit pixel, a unit pixel voltage node located at a center portion of the unit pixel and electrically coupled to electrically bias an electrical potential of the different photosensing sub-pixels, and a control circuit coupled to the different detection structures of the unit pixel to supply sub-pixel detection control signals to the different detection structures of the unit pixel, respectively.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 19, 2023
    Assignee: SK HYNIX INC.
    Inventors: Jae Hyung Jang, Hyung June Yoon, Jong Chae Kim, Hoon Moo Choi
  • Patent number: 11722792
    Abstract: An image sensing device is provided to include a pixel array comprising a first pixel group and a second pixel group, each pixel configured to sense a distance to a target object in response to modulated light that is incident on the pixel array; a first modulation driver configured to supply, to the first pixel group, a first modulation control signal and a second modulation control signal; and a second modulation driver configured to supply, to the second pixel group, a third modulation control signal and a fourth modulation control signal, wherein the first and second modulation drivers are independently controlled from each other such that at least one of the first modulation control signal, the second modulation control signal, the third modulation control signal, or the fourth modulation control signal has a phase difference from the modulated light.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: August 8, 2023
    Assignee: SK hynix Inc.
    Inventor: Jae Hyung Jang
  • Publication number: 20230246058
    Abstract: An image sensing device includes a substrate including a back side structured to receive incident light and a front side opposite to the back side; imaging pixels to receive the incident light from the back side and each imaging pixel structured to produce photocharge in response to received incident light; a plurality of conductive contact structures configured to generate a potential gradient in the substrate and to capture photocharges that are generated in response to the incident light and move by the potential gradient; and a well region disposed between the plurality of conductive contact structures.
    Type: Application
    Filed: November 23, 2022
    Publication date: August 3, 2023
    Inventor: Jae Hyung JANG
  • Patent number: 11695025
    Abstract: An image sensor includes a detection region, a first transistor region, and a second transistor region. The detection region including a first demodulation node and a second demodulation node generates a hole current in a substrate, and captures photocharges that are generated by incident light and move by the hole current. The first pixel transistor region including a plurality of transistors is disposed at one side of the detection region, and processes photocharges captured by the first demodulation node. The second pixel transistor region including a plurality of transistors is disposed at other side of the detection region, and processes photocharges captured by the second demodulation node.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: July 4, 2023
    Assignee: SK HYNIX INC.
    Inventor: Jae Hyung Jang
  • Publication number: 20230209967
    Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 29, 2023
    Inventors: Sang-Hyuk Won, Min-Joo Kim, Jae-Won Lee, Sang-Hoon Pak, Byong-Hoo Kim, Ji-Hye Lee, Jae-Man Jang, Sung-Jin Kim, Jae-Hyung Jang
  • Patent number: 11675453
    Abstract: A touch display device in which routing lines are formed to have the same resistance value. Routing lines connected to touch electrodes in a non-active area and display signal links electrically connected to a light-emitting element are formed in different shapes from each other, and the lengths of at least one of zigzag patterns of the routing lines disposed in the non-active area and single-line regions are formed differently.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: June 13, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae-Hyung Jang, Min-Joo Kim, Jae-Won Lee
  • Patent number: 11671722
    Abstract: An image sensing device for measuring a distance between the image sensing device and a target object is disclosed. The image sensing device may include a plurality of image sensing pixels formed in a substrate, each image sensing pixel including a first electrical contact tap and a second electrical contact tap structured to generate a current in the substrate and capture photocharges generated by light reflected from an object and incident on the image sensing pixel array and migrating by the current to measure a distance to the object by performing demodulation operations based on the photocharges, and a demodulation driver coupled to the image sensing pixel array to apply, to the first electrical contact tap and the second electrical contact tap, a first demodulation control signal and a second demodulation control signal for generating the current, respectively.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: June 6, 2023
    Assignee: SK hynix Inc.
    Inventor: Jae Hyung Jang
  • Publication number: 20230118540
    Abstract: An image sensing device may include a plurality of pixel regions included in a substrate, a plurality of taps structured to generate an electric potential difference in the substrate and capture photocharges generated by the plurality of pixel regions and migrated by the electric potential difference, wherein each of the taps comprises a control node disposed in the substrate and doped with a first conductive type impurity, a detection node disposed in the substrate and doped with a second conductive type impurity, and a control gate structured to include a gate electrode and a gate dielectric layer for electrically isolating the gate electrode from the substrate, wherein the control node is disposed at a first side of the detection node, and the control gate is disposed at a second side of the detection node, wherein the second side is an opposite side of the first side.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 20, 2023
    Inventor: Jae Hyung JANG
  • Patent number: 11611717
    Abstract: An image sensing device includes at least one unit pixel including a plurality of pixels for generating a plurality of pixel signals based on a plurality of control signals having different phases, and an equalizing circuit suitable for equalizing noise that occurs in the plurality of pixels during a reset operation on the unit pixel.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: March 21, 2023
    Assignee: SK hynix Inc.
    Inventors: Yu Jin Park, Jeong Eun Song, Kang Bong Seo, Min Seok Shin, Jae Hyung Jang
  • Patent number: 11610946
    Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: March 21, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Hyuk Won, Min-Joo Kim, Jae-Won Lee, Sang-Hoon Pak, Byong-Hoo Kim, Ji-Hye Lee, Jae-Man Jang, Sung-Jin Kim, Jae-Hyung Jang
  • Publication number: 20230050069
    Abstract: An image sensing device may include a pixel array. The pixel array includes a sensing region including a plurality of unit pixels, each unit pixel configured to detect incident light to generate photocharge indicative of the detected incident light, a bias field region doped with impurities and disposed along an edge of the sensing region and a contact portion connected to the bias field region to apply a bias voltage to the bias field region to move the photocharge in the sensing region.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 16, 2023
    Inventors: Jae Hyung JANG, Jong Chae KIM, Jae Won LEE
  • Publication number: 20220413678
    Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.
    Type: Application
    Filed: August 25, 2022
    Publication date: December 29, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jae-Won LEE, Min-Joo KIM, Sang-Hyuk WON, Jae-Hyung JANG
  • Publication number: 20220334699
    Abstract: A touch display device in which routing lines are formed to have the same resistance value. Routing lines connected to touch electrodes in a non-active area and display signal links electrically connected to a light-emitting element are formed in different shapes from each other, and the lengths of at least one of zigzag patterns of the routing lines disposed in the non-active area and single-line regions are formed differently.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jae-Hyung JANG, Min-Joo KIM, Jae-Won LEE
  • Publication number: 20220329744
    Abstract: An image sensing device is provided to include a pixel array comprising a first pixel group and a second pixel group, each pixel configured to sense a distance to a target object in response to modulated light that is incident on the pixel array; a first modulation driver configured to supply, to the first pixel group, a first modulation control signal and a second modulation control signal; and a second modulation driver configured to supply, to the second pixel group, a third modulation control signal and a fourth modulation control signal, wherein the first and second modulation drivers are independently controlled from each other such that at least one of the first modulation control signal, the second modulation control signal, the third modulation control signal, or the fourth modulation control signal has a phase difference from the modulated light.
    Type: Application
    Filed: March 24, 2022
    Publication date: October 13, 2022
    Inventor: Jae Hyung JANG
  • Patent number: 11467691
    Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: October 11, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae-Won Lee, Min-Joo Kim, Sang-Hyuk Won, Jae-Hyung Jang