Patents by Inventor Dong-Min Lee

Dong-Min 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: 20230024131
    Abstract: Provided is a display device comprising a substrate; a plurality of transistors disposed on the substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode respectively connected to the transistors; a first emission layer disposed to overlap the first pixel electrode, a second emission layer disposed to overlap the second pixel electrode, and a third emission layer disposed to overlap the third pixel electrode; and a common electrode disposed on the first emission layer, the second emission layer, and the third emission layer, wherein the first pixel electrode includes a first layer, and a second layer disposed on the first layer and including a Ga-doped ITO.
    Type: Application
    Filed: April 13, 2022
    Publication date: January 26, 2023
    Inventors: Hyun Eok SHIN, Ju Hyun LEE, Sung Joo KWON, Hyun Ah SUNG, Dong Min LEE
  • Patent number: 11407061
    Abstract: A laser crystallizing apparatus may include a laser light source, an optical system, and an optical module. The laser light source may generate a laser beam. The optical system may convert the laser beam into a line laser beam. The optical module may disperse energy of the line laser beam in a first direction for generating a dispersed line laser beam. The first direction may be perpendicular to a lengthwise direction of the optical module.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 9, 2022
    Inventors: Dong-Sung Lee, Dong-min Lee, Jongoh Seo, Byung Soo So
  • Publication number: 20220216285
    Abstract: A method of manufacturing a display device including forming a polysilicon layer on a substrate, patterning the polysilicon layer to form a polysilicon pattern including a first region and a second region each having a first thickness, and a third region having a second thickness less than the first thickness, forming a gate insulation layer on the polysilicon pattern, forming a gate electrode on the gate insulation layer, partially implanting ions into the polysilicon pattern to form an active layer, forming an insulation interlayer on the gate electrode, forming source and drain contact holes each passing through the insulation interlayer and the gate insulation layer and respectively overlapping the first region and the second region, forming source and drain electrodes respectively filling the source and drain contact holes, and forming a light emitting element electrically connected to the source electrode or the drain electrode.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 7, 2022
    Inventors: Jong-Oh SEO, Ji-Hwan KIM, Byung-Soo SO, Dong-Min LEE, Jong-Hoon CHOI
  • Patent number: 11380544
    Abstract: A laser annealing device includes a stage, a laser generator, and a reflective member. The stage supports a substrate with a thin film formed thereon to be processed, and may be moved in a first direction at a set or predetermined speed. The laser generator irradiates a first area of the thin film with a laser beam while the stage is moved. The reflective member reflects a part of the laser beam, which is reflected from the first area of the thin film, to a second area of the thin film. The first area and the second area are spaced apart from each other.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Min Lee, Ji-Hwan Kim, Jongoh Seo, Byung Soo So
  • Publication number: 20220173134
    Abstract: A laser apparatus includes a laser generator configured to generate a first laser beam proceeding along a first direction, and an inversion module configured to convert the first laser beam to a second laser beam proceeding along the first direction, the inversion module including a splitter configured to form a reflected laser beam by partially reflecting the first laser beam, and a transmitted laser beam by partially transmitting the first laser beam, and a prism configured to reflect the reflected laser beam.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Dong-min LEE, Ji-Hwan KIM, Jongoh SEO, Byung Soo SO, Dong-Sung LEE, Jonghoon CHOI
  • Publication number: 20220134135
    Abstract: Disclosure are a triboelectric generator including a nano-composite life-limited via selective ultrasound application thereto, and a neurostimulation therapy device using the same. Disclosure are a life-limited nano-composite that initiates biodegradation thereof upon application of focused ultrasound thereto, and to a neurostimulation therapy device for peripheral neuropathy treatment using an ultrasound-driven triboelectric generator based on the life-limited nano-composite. The device has a power source that is harmless to a human body and performs nerve stimulation treatment using this power source, and then causes biodegradation at a desired timing after the treatment is completed.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 5, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: SangWoo KIM, Min Ki KANG, Bo Sung KIM, Joon Ha HWANG, So Hee KIM, Young Jun KIM, Dong Min LEE, Jae Hwan JUNG, Hyoung Taek KIM, Dong Hyeon KANG, Ji Hyun PARK
  • Publication number: 20220120007
    Abstract: Disclosed herein is a clothes treatment apparatus. The clothes treatment apparatus includes a drum configured to accommodate clothes, an inputter configured to receive one of a plurality of programs and configured to receive a start command, a storage configured to store information on a setting time corresponding to a weight of clothes for each program and configured to store information on a default time for each program previously executed, in the form of tables, a processor configured to detect a weight of clothes when any one program is received and a start command is received, configured to identify a setting time corresponding to the detected weight of clothes and the received program, configured to control the execution of the received program based on the identified setting time, and configured to store an operation time, which is taken until the completion of the received program, as a default time, and a display configured to display a remaining time during the execution of the received program.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Inventors: Hyun Jin AHN, Joon Ho LEE, Dong Bin CHO, Seung Woo HONG, Bo Bin KIM, Hae Yoon PARK, Dong Min LEE, Kyoung Ae LIM
  • Publication number: 20220102447
    Abstract: A method of manufacturing a polycrystalline silicon layer for a display device includes the steps of forming an amorphous silicon layer on a substrate, cleaning the amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam to form a polycrystalline silicon layer.
    Type: Application
    Filed: October 18, 2021
    Publication date: March 31, 2022
    Inventors: Dong-Sung LEE, Seo Jong OH, Byung Soo SO, Dong-min LEE
  • Patent number: 11282872
    Abstract: A laser apparatus includes a laser generator configured to generate a first laser beam proceeding along a first direction, and an inversion module configured to convert the first laser beam to a second laser beam proceeding along the first direction, the inversion module including a splitter configured to form a reflected laser beam by partially reflecting the first laser beam, and a transmitted laser beam by partially transmitting the first laser beam, and a prism configured to reflect the reflected laser beam.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: March 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Min Lee, Ji-Hwan Kim, Jongoh Seo, Byung Soo So, Dong-Sung Lee, Jonghoon Choi
  • Publication number: 20220045105
    Abstract: A display device may include a thin film transistor disposed on a substrate, and a display element electrically connected to the thin film transistor. The thin film transistor may include an active pattern including polycrystalline silicon, a gate insulation layer disposed on the active pattern, and a gate electrode disposed on the gate insulation layer. An average value of grain sizes of the active pattern may be in a range of about 400 nm to about 800 nm. An RMS value of a surface roughness of the active pattern may be about 4 nm or less. A method of manufacturing a polycrystalline silicon layer may include cleaning an amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam having an energy density of about 440 mJ/cm2 to about 490 mJ/cm2.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong-Sung LEE, Jongoh SEO, Byung Soo SO, Dong-min LEE, Yeon Hee JEON, Jonghoon CHOI
  • Patent number: 11242634
    Abstract: Disclosed herein is a clothes treatment apparatus. The clothes treatment apparatus includes a drum configured to accommodate clothes, an inputter configured to receive one of a plurality of programs and configured to receive a start command, a storage configured to store information on a setting time corresponding to a weight of clothes for each program and configured to store information on a default time for each program previously executed, in the form of tables, a processor configured to detect a weight of clothes when any one program is received and a start command is received, configured to identify a setting time corresponding to the detected weight of clothes and the received program, configured to control the execution of the received program based on the identified setting time, and configured to store an operation time, which is taken until the completion of the received program, as a default time, and a display configured to display a remaining time during the execution of the received program.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: February 8, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jin Ahn, Joon Ho Lee, Dong Bin Cho, Seung Woo Hong, Bo Bin Kim, Hae Yoon Park, Dong Min Lee, Kyoung Ae Lim
  • Patent number: 11183515
    Abstract: A display device may include a thin film transistor disposed on a substrate, and a display element electrically connected to the thin film transistor. The thin film transistor may include an active pattern including polycrystalline silicon, a gate insulation layer disposed on the active pattern, and a gate electrode disposed on the gate insulation layer. An average value of grain sizes of the active pattern may be in a range of about 400 nm to about 800 nm. An RMS value of a surface roughness of the active pattern may be about 4 nm or less. A method of manufacturing a polycrystalline silicon layer may include cleaning an amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam having an energy density of about 440 mJ/cm2 to about 490 mJ/cm2.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Sung Lee, Jongoh Seo, Byung Soo So, Dong-min Lee, Yeon Hee Jeon, Jonghoon Choi
  • Patent number: 11171000
    Abstract: A laser crystallization system includes a transfer part that transfers a substrate on which an amorphous silicon thin film is deposited into a chamber, a laser irradiation part that irradiates an excimer laser to the substrate for crystallization of the amorphous silicon thin film in the chamber, a stage that supports the substrate in the chamber, a measuring part that measures a light transmittance value of the substrate, and a controller that controls the laser irradiation part to irradiate the excimer laser to the substrate when the light transmittance value is equal to or lower than a reference transmittance value and controls the laser irradiation part not to irradiate the excimer laser to the substrate when the light transmittance value is higher than the reference transmittance value.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: November 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jongoh Seo, Jonghoon Choi, Ji-Hwan Kim, Byung Soo So, Dong-Min Lee, Dong-Sung Lee
  • Patent number: 11164919
    Abstract: A method of manufacturing a polycrystalline silicon layer for a display device includes the steps of forming an amorphous silicon layer on a substrate, cleaning the amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam to form a polycrystalline silicon layer.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: November 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Sung Lee, Seo Jong Oh, Byung Soo So, Dong-min Lee
  • Patent number: 11145703
    Abstract: A display device may include a substrate, a first layer on the substrate, the first layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a second layer on the first layer, an active pattern on the second layer, the active pattern overlapping only the first portion of the first layer, a gate electrode on the active pattern, a source electrode and a drain electrode on the gate electrode and connected to the active pattern, a first electrode connected to one of the source electrode and the drain electrode, a pixel defining layer on the first electrode, the pixel defining layer having an opening portion exposing at least a portion of the first electrode, an emission layer in the opening portion on the first electrode, and a second electrode on the emission layer.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: October 12, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongoh Seo, In Cheol Ko, Byung Soo So, Dong-min Lee, Dong-Sung Lee
  • Publication number: 20210213196
    Abstract: Provided are a method, apparatus, and computer program for providing a notification according to a period of use of a drug infusion device. A time point at which the drug infusion device switches from an inactive mode to an active mode may be determined as a use start time point. Also, an impending expiration notification indicating that expiration of a period of use of the drug infusion device is imminent may be provided at a first time point after a certain period from the use start time point, based on a usable period and a user set time of the drug infusion device. In addition, an expiration notification indicating that the period of use of the drug infusion device has expired may be provided at a second time point after the usable period from the use start time point.
    Type: Application
    Filed: February 3, 2021
    Publication date: July 15, 2021
    Inventors: Luis Malave, Jesse Jaejin Kim, Yong Ho Jeon, Dong Min Lee
  • Patent number: 11063110
    Abstract: A conductive pattern for a display device includes a first layer including aluminum or an aluminum alloy disposed on a substrate and forming a first taper angle with the substrate, and a second layer disposed on the first layer forming a second taper angle with the first layer, in which the second taper angle is smaller than the first taper angle.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon Geol Lee, Kyeong Su Ko, Sang Won Shin, Dong Min Lee, Sang Gab Kim, Sang Woo Sohn, Hyun Eok Shin, Shin Il Choi
  • Publication number: 20210170169
    Abstract: Disclosed are a triboelectric energy generator using an ultrasonic waves, and an implantable treatment device for suppressing spread of tumor including the triboelectric energy generator. The generator includes a substrate; a first triboelectric member disposed on the substrate; and a second triboelectric member disposed above and spaced apart from the first triboelectric member, wherein the first triboelectric member and the second triboelectric member are made of different materials, wherein when an ultrasonic wave is applied to a top face of the second triboelectric member, the second triboelectric member is constructed to alternately contact and non-contact the first triboelectric member, thereby to generate triboelectricity.
    Type: Application
    Filed: November 25, 2020
    Publication date: June 10, 2021
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: SangWoo KIM, Hong Joon YOON, Dong Min LEE, Young Jun KIM, Ji Hye KIM, Bo Sung KIM, Jae Hwan JUNG, Dong Hyeon KANG, Tae Hyeong KIM
  • Publication number: 20210057218
    Abstract: A laser annealing device includes a stage, a laser generator, and a reflective member. The stage supports a substrate with a thin film formed thereon to be processed, and may be moved in a first direction at a set or predetermined speed. The laser generator irradiates a first area of the thin film with a laser beam while the stage is moved. The reflective member reflects a part of the laser beam, which is reflected from the first area of the thin film, to a second area of the thin film. The first area and the second area are spaced apart from each other.
    Type: Application
    Filed: August 19, 2020
    Publication date: February 25, 2021
    Inventors: Dong-Min LEE, Ji-Hwan KIM, Jongoh SEO, Byung Soo SO
  • Publication number: 20210057532
    Abstract: A thin film transistor including a gate electrode, a semiconductor layer, and source and drain electrodes contacting the semiconductor layer. The source and drain electrodes include a metal oxide having a crystal size in a c-axis direction Lc(002) that ranges from 67 ? or more to 144 ? or less.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 25, 2021
    Inventors: Chan Woo YANG, Hyune OK SHIN, Chang Oh JEONG, Su Kyoung Yang, Dong Min LEE