Patents by Inventor Dong-Hyeon Lee

Dong-Hyeon 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: 20240105104
    Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 28, 2024
    Inventors: Se Hyuk PARK, Hong Soo KIM, Young Ha SOHN, Jin Wook YANG, Dong Gyu LEE, Jae Hyeon JEON
  • Publication number: 20240096265
    Abstract: A pixel includes: a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is applied, and a third node electrically connected to the light emitting element; a first emission control transistor having an on-off timing controlled by a first emission control signal; and a second emission control transistor having an on-off timing controlled by a second emission control signal. A time interval exists between a time at which the first emission control signal having a turn-on level is input such that a voltage of the second node is dropped from a bias voltage having a voltage level higher than a voltage level of the first power voltage and a time at which the second emission control signal having a turn-on level is input.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 21, 2024
    Inventors: Young Ha SOHN, Se Hyuk PARK, Jin Wook YANG, Dong Gyu LEE, Jae Hyeon JEON
  • Patent number: 11922866
    Abstract: A pixel includes: a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is applied, and a third node electrically connected to the light emitting element; a first emission control transistor having an on-off timing controlled by a first emission control signal; and a second emission control transistor having an on-off timing controlled by a second emission control signal. A time interval exists between a time at which the first emission control signal having a turn-on level is input such that a voltage of the second node is dropped from a bias voltage having a voltage level higher than a voltage level of the first power voltage and a time at which the second emission control signal having a turn-on level is input.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Ha Sohn, Se Hyuk Park, Jin Wook Yang, Dong Gyu Lee, Jae Hyeon Jeon
  • Publication number: 20230326915
    Abstract: A display device includes a main region including an active region; a bending region extending from a side of the main region in a direction; a plurality of pixels disposed in the active region and emitting light; a plurality of light sensors disposed in the active region and sensing incident light; a protrusion pattern protruding from the side of the main region in the direction; and a light source part mounted on the protrusion pattern and emitting light.
    Type: Application
    Filed: December 12, 2022
    Publication date: October 12, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Min PARK, Dong Hyeon LEE
  • Publication number: 20230220241
    Abstract: A CMP slurry composition for polishing a tungsten pattern wafer and a method of polishing a tungsten pattern wafer, the CMP slurry composition includes a solvent; an abrasive agent containing silica modified with a silane compound having at least one nitrogen atom; and an alkylene oxide group-containing fluorine surfactant.
    Type: Application
    Filed: November 7, 2022
    Publication date: July 13, 2023
    Inventors: Tae Won PARK, Jin Gyo KIM, Ji Ho LEE, Eui Rang LEE, Dong Hyeon LEE
  • Publication number: 20230205273
    Abstract: A stretchable window includes: a first material extending in a first direction and a second material extending in a second direction that intersects the first direction. The first material and the second material are interwoven, the first material has a first modulus, and the second material has a second modulus. The first modulus has a value in a range of about 0.1 Mpa to about 500 Mpa and the second modulus has a value in a range of about 1 Gpa to about 50 Gpa.
    Type: Application
    Filed: August 3, 2022
    Publication date: June 29, 2023
    Inventors: Kang Woo LEE, Young Do KIM, Hyun Seok OH, Dong Hyeon LEE
  • Publication number: 20230116045
    Abstract: A display includes: a display panel; and a panel bottom sheet disposed below the display panel, the panel bottom sheet including: a first heat dissipation layer; a second heat dissipation layer over the first heat dissipation layer, including a first opening formed completely through the second heat dissipation layer in a thickness direction; a heat dissipation coupling interlayer between the first heat dissipation layer and the second heat dissipation layer, and a heat dissipation substrate on the second heat dissipation layer.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Inventors: Kang Woo LEE, Boo Kan KI, June Hyoung PARK, Sun Hee OH, Dong Hyeon LEE, Jeong In LEE, Hyuk Hwan KIM, Seong Sik CHOI
  • Patent number: 11526201
    Abstract: A panel bottom sheet includes: a first heat dissipation layer; a second heat dissipation layer having circumferential side surfaces located further inside than circumferential side surfaces of the first heat dissipation layer in a plan view, the second heat dissipation layer including: a main heat dissipation pattern including a first opening formed completely through the second heat dissipation layer in a thickness direction; and a heat dissipation substrate disposed directly on the second heat dissipation layer.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: December 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Woo Lee, Boo Kan Ki, June Hyoung Park, Sun Hee Oh, Dong Hyeon Lee, Jeong In Lee, Hyuk Hwan Kim, Seong Sik Choi
  • Patent number: 11469375
    Abstract: A manufacturing method of a display device includes: stacking a release layer over a first substrate; forming a conductor pattern over the release layer; forming a sacrificial layer over the conductor pattern; forming a second substrate including a polymer layer over the sacrificial layer; forming an electronic element including a conductor over the second substrate; forming a pattern corresponding to the conductor pattern in the sacrificial layer; transferring the conductor pattern from the release layer to a surface of the second substrate; and removing the first substrate, the release layer, and the sacrificial layer.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Woo You, Dong Hyeon Lee, Yong Kyu Kang, Tae Ho Lee
  • Publication number: 20220262279
    Abstract: A display device includes a display panel including: a bending region bent along an axis extending in a first direction; a window disposed on the first surface of the display panel; and a mark disposed on the bending region of the display panel and disposed along a second direction different from the first direction, wherein a first portion of the mark and a second portion of the mark different from the first portion do not overlap along the first direction of the display panel on which the window is disposed.
    Type: Application
    Filed: November 23, 2021
    Publication date: August 18, 2022
    Inventors: Joon-Ik LEE, Dong Hyeon Lee, Chang Moo Lee
  • Patent number: 11373960
    Abstract: An electronic component module includes: a substrate; an electronic element disposed on a first surface of the substrate; an encapsulant disposed on the first surface of the substrate and configured to seal the electronic element; a first pad disposed on an outermost region of a second surface of the substrate; a second pad disposed inward of the first pad on the second surface of the substrate, and positioned parallel to the first pad; and a shielding layer connected to the first pad, and at least partially surrounding a side surface of the encapsulant and a side surface of the substrate. The first and second pads are electrically connected by a connection pad.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: June 28, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Myung Lim Ryu, Kwang Ju Choi, Da Un Kim, Duck Whan Kim, Dong Hyeon Lee, Kyoung Min Kim, Ik Su Shin
  • Patent number: 11367434
    Abstract: An electronic device, a method for obtaining an utterance intention of a user thereof, and a non-transitory computer-readable recording medium are provided. An electronic device according to an embodiment of the present disclosure may comprise: a microphone for receiving a user voice uttered by a user; and a processor for obtaining an utterance intention of a user on the basis of at least one word included in a user voice while the user voice is being input, providing response information corresponding to the obtained utterance intention, and updating the response information while providing the response information, on the basis of an additional word uttered after the at least one word is input.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 21, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hyeon Lee, Hae-hun Yang, He-jung Yang, Jung-sup Lee, Hee-sik Jeon, Hyung-tak Choi
  • Publication number: 20220113934
    Abstract: Provided is a device for executing an application including a graphics user interface (GUI) for receiving an input value of an input field, the device including an audio output unit, a user input unit receiving a user input to request execution of the application, and a control unit configured to output, through the audio output unit, an audio signal indicating an induced inquiry corresponding to the input field, based on whether the user input is a voice input, to receive a voice input indicating a response to the induced inquiry, and to execute the application by setting an input value for the input field based on the voice input indicating the response to the induced inquiry.
    Type: Application
    Filed: February 28, 2018
    Publication date: April 14, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-hyeon LEE, Se-chun KANG, Yu-bin SEO, He-jung YANG
  • Publication number: 20220102675
    Abstract: A display device includes: a window; a display panel disposed on a rear surface of the window; an adhesive layer disposed between the window and the display panel and attaching the display panel to the window; and a protruding structure that protrudes from the rear surface of the window and includes a first surface facing the adhesive layer.
    Type: Application
    Filed: May 12, 2021
    Publication date: March 31, 2022
    Inventors: Dong Hyeon LEE, Jong In AHN, Chang Moo LEE
  • Patent number: 11271191
    Abstract: A display device includes: a display panel including a flat area and a bended area which extends bent from the flat area; and a cover panel comprises a heat dissipation member. The heat dissipation member includes: a flat portion corresponding to the flat area of the display panel, a bent portion corresponding to the bended area of the display panel, a first opening in the flat portion, and a second opening in the bent portion.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: March 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang-Woo Lee, Sun Hee Oh, Boo-Kan Ki, Dong Hyeon Lee, Jeong In Lee
  • Patent number: 11262967
    Abstract: A display device includes, a substrate, a pixel circuit disposed on the substrate, a light emitting element connected to the pixel circuit and, that emits light toward the substrate, an encapsulation layer that covers the light emitting element, and a panel driver disposed on the encapsulation layer and electrically connected to the pixel circuit through a via line that penetrates the encapsulation layer.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Dae Ye, Jun Woo You, Dong Hyeon Lee, Tae Ho Lee
  • Patent number: 11256137
    Abstract: A backlight unit and a display device are disclosed. The backlight unit includes a substrate, light sources, a side mold, a resin layer, and an optical member. The light sources are disposed on a surface of the substrate. The side mold is fixed to the substrate and surrounds the light sources. The resin layer fills a region defined by the side mold. The optical member is disposed on the resin layer. A first height of the side mold measured from the surface of the substrate is greater than a second height of the resin layer measured from the surface of the substrate. The display device includes the backlight unit and a display panel disposed on the backlight unit. Manufacture of the unit includes forming the substrate with the light units disposed on the surface, attaching the side mold to the substrate, and forming the resin layer and the optical member.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 22, 2022
    Inventors: Dong Hyeon Lee, Young Min Park
  • Patent number: 11216236
    Abstract: A display device includes a display panel including a display area and a non-display area; and an optical plate disposed on the display panel and including an optical waveguide and a body portion surrounding the optical waveguide. The optical waveguide includes an input terminal which is disposed on the display area and receives light from the display panel and an output terminal which is disposed over the non-display area and outputs the light.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hee Oh, Dong Hyeon Lee, Jun Woo You, Tae Ho Lee
  • Publication number: 20210263379
    Abstract: A backlight unit and a display device including the same are provided. A backlight unit comprises a substrate, a plurality of light sources disposed on a first surface of the substrate, a side mold having a closed loop shape and fixed on the substrate, the side mold surrounding the s light sources, a resin layer filling a region defined by the side mold, and an optical member disposed on the resin layer, in the region defined by the side mold.
    Type: Application
    Filed: November 23, 2020
    Publication date: August 26, 2021
    Inventors: Dong Hyeon LEE, Young Min PARK
  • Publication number: 20210159186
    Abstract: An electronic component module includes: a substrate; an electronic element disposed on a first surface of the substrate; an encapsulant disposed on the first surface of the substrate and configured to seal the electronic element; a first pad disposed on an outermost region of a second surface of the substrate; a second pad disposed inward of the first pad on the second surface of the substrate, and positioned parallel to the first pad; and a shielding layer connected to the first pad, and at least partially surrounding a side surface of the encapsulant and a side surface of the substrate. The first and second pads are electrically connected by a connection pad.
    Type: Application
    Filed: April 20, 2020
    Publication date: May 27, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Myung Lim RYU, Kwang Ju CHOI, Da Un KIM, Duck Whan KIM, Dong Hyeon LEE, Kyoung Min KIM, Ik Su SHIN