Patents by Inventor Dongha Lee

Dongha 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).

  • Patent number: 12733388
    Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y < - 3.518 * ln ? ( x ) + 4 ? 5 . 5 ? 9 , wherein y is the concentration of the organic material, and x is the molecular weight of the organic material.
    Type: Grant
    Filed: December 4, 2024
    Date of Patent: September 8, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongha Lee, Donghoon Kwak, Dukki Kim, Sehun Kim, Seoksoon Back
  • Publication number: 20260247564
    Abstract: Disclosed herein is a cooking appliance. The cooking appliance comprises a plurality of functional circuit parts and an electrical case accommodating the functional circuit parts, an internal space of the electrical case is partitioned into a plurality of electrical component spaces along an up-down direction, and the plurality of functional circuit parts are respectively disposed in different electrical component spaces.
    Type: Application
    Filed: February 13, 2026
    Publication date: August 20, 2026
    Applicant: LG Electronics Inc.
    Inventors: Wontae KIM, Jungwoo SEO, Sangcheol LEE, Ki Hong PARK, Byungkyu PARK, Sol HAN, Seung Ho LEE, Kyungho PARK, Dongha LEE, Dongheon LEE
  • Publication number: 20260247841
    Abstract: A display apparatus includes a substrate, sub-pixels including first color sub-pixels, a first bank layer including lower openings defining an emission area in each of the sub-pixels, a second bank layer on the first bank layer, and light control patterns spaced apart from each other on the first bank layer. The light control patterns include first light control patterns respectively corresponding to the first color sub-pixels. The first light control patterns include a first-1 light control pattern and a first-2 light control pattern respectively corresponding to two first color sub-pixels adjacent to each other among the first color sub-pixels. In a plan view, the first-1 light control pattern and the first-2 light control pattern are at different positions in at least one of a first direction or a second direction perpendicular to the first direction with respect to a center of the first color sub-pixel corresponding thereto.
    Type: Application
    Filed: August 14, 2025
    Publication date: August 20, 2026
    Inventors: Dongha Lee, Yoonho Kang
  • Patent number: 12674306
    Abstract: In one example, a timing control system for a faucet for dispensing water includes a valve sensor, a timer, and a light. The valve sensor is configured to detect operation of the faucet. The timer is configured to trigger a countdown in response to the operation of the faucet. The light is configured to illuminate the water of the faucet in at least one color in response to the countdown.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: July 7, 2026
    Assignee: Kohler Co.
    Inventors: Helene L. Cornils, John O. Lipinski, Dongha Lee, Xinyao Liu, Dustin Lobner, Jacob Planton, Fred Ogreenc, Mark Schibur, Steven Mark Tervo, Rebecca Becker
  • Patent number: 12638871
    Abstract: A system-on-chip includes a low-dropout (LDO) regulator configured to regulate a voltage of input power and to supply operation power to a core through an output mode, the core configured to receive the operation power to perform an operation, and a power supply circuit configured to supply the input power to the LDO regulator. The power supply circuit may receive first power and second power having different voltage characteristics, and may supply third power, which is power having a higher voltage of the first power and the second power, and the second power to the LDO regulator as the input power.
    Type: Grant
    Filed: January 2, 2024
    Date of Patent: May 26, 2026
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seki Kim, Susie Kim, Dongha Lee, Takahiro Nomiyama
  • Patent number: 12632075
    Abstract: A digital low-dropout (LDO) regulator may include: an LDO core configured to select a control mode based on a state of an output voltage of the digital LDO regulator provided to a load block and to output a control code based on the control mode; and a plurality of power transistors configured to control supply current supplied to the load block based on the control code. The control mode may include a first mode and a second mode for changing the supply current faster than in the first mode. The LDO core may be configured to perform a step-back operation to re-output a previous control code output at least one cycle ago and operate in the first mode based on the state of the output voltage corresponding to the first mode being detected while operating in the second mode.
    Type: Grant
    Filed: April 15, 2024
    Date of Patent: May 19, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongha Lee, Seki Kim, Takahiro Nomiyama
  • Publication number: 20260124463
    Abstract: Provided herein is a red light therapy (RLT) system including at least one of an RLT light bulb and an RLT panel. The RLT light bulb and the RLT panel may include at least one light emitting diode (LED) for providing at least one of red and infrared light. When the LEDs are activated, the LEDs may provide light therapy to a user. As one example, the RLT system may be used in a shower, bath, and/or sauna.
    Type: Application
    Filed: October 20, 2025
    Publication date: May 7, 2026
    Inventors: Sujung Byun, Aurelian Furcoiu, Prasanth Jayakumar, Jason Kwacz, Dongha Lee, Kenny Zhang
  • Publication number: 20260119920
    Abstract: Disclosed is an apparatus and method for question-and-answer-based table insight inference, and the apparatus includes: a knowledge extractor configured to extract knowledge by progressively detailing the knowledge from an overall aspect, which is referred to as coarse knowledge, to detailed knowledge, which is referred to as fine-grained knowledge, in a table representing a reference summary and structured data; a knowledge quality enhancer configured to perform refinement based on factuality verification of the extracted knowledge and to select important knowledge meeting or exceeding a predetermined threshold through importance scoring; a reasoner trainer configured to perform question generation training to analyze the reference summary and the table data so as to generate questions for identifying the important knowledge, and to perform evidence-insight generation training to derive an answer with a reliability meeting or exceeding a predetermined threshold for each of the questions; and a summary genera
    Type: Application
    Filed: October 31, 2024
    Publication date: April 30, 2026
    Applicant: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Dongha Lee, Kwangwook Seo
  • Publication number: 20260123250
    Abstract: A method of manufacturing a light control member includes forming a preliminary lens portion by disposing a lens solution on a base layer. The method of manufacturing a light control member includes transferring the base layer on which the preliminary lens portion is formed to a chamber. The method of manufacturing a light control member includes forming a lens portion on the base layer by reducing an internal pressure of the chamber to not more than a pressure value for a time period. The time period is preset.
    Type: Application
    Filed: August 1, 2025
    Publication date: April 30, 2026
    Inventor: DONGHA LEE
  • Publication number: 20260107632
    Abstract: A display device includes a substrate including a light-emitting area and a non-light-emitting area adjacent to the light-emitting area, a circuit layer disposed on the substrate, where circuit layer includes a transistor, a first electrode disposed in the light-emitting area on the circuit layer, and electrically connected to the transistor, a second electrode disposed on the second electrode, and an intermediate layer disposed between the first electrode and the second electrode in a cross-sectional view, where the intermediate layer includes a center portion having a first thickness and an edge portion having a second thickness greater than the first thickness.
    Type: Application
    Filed: March 19, 2025
    Publication date: April 16, 2026
    Inventors: JONGJANG PARK, HEE-SUK NAMGUNG, SEOKSOON BACK, YOSHIAKI SAKAMOTO, DONGWOOK LEE, DONGHA LEE
  • Publication number: 20260068402
    Abstract: A display apparatus includes a substrate, a light-emitting diode disposed on the substrate and including an emission layer, a bank layer disposed on the substrate and defining an opening overlapping the emission layer of the light-emitting diode, a first refractive layer disposed in the opening of the bank layer, and a second refractive layer disposed on the first refractive layer, where the first refractive layer includes a concave top surface and the second refractive layer includes a convex bottom surface and a convex top surface.
    Type: Application
    Filed: April 3, 2025
    Publication date: March 5, 2026
    Inventor: Dongha Lee
  • Publication number: 20250268787
    Abstract: A therapy system includes a first therapy assembly configured to provide a hot therapy experience and a second therapy assembly configured to provide a cold therapy experience. The first therapy assembly includes a plurality of walls defining an interior chamber, a door configured to permit selective access to the interior chamber, and a sauna element fluidly coupled with the interior chamber and configured to provide at least one of heated air or steam to the interior chamber. The second therapy assembly includes a bathtub defining a bathing volume structured to receive and hold a fluid. The bathtub is positioned relative to the interior chamber of the first therapy assembly such that the bathing volume is accessible from the interior chamber of the first therapy assembly.
    Type: Application
    Filed: February 12, 2025
    Publication date: August 28, 2025
    Applicant: Kohler Co.
    Inventors: Jason Kwacz, Katerina Revelis, Ariana Smies, Dongha Lee, Douglas Palmer
  • Publication number: 20250268020
    Abstract: A method of manufacturing a display device includes forming a plurality of first electrodes on a substrate, forming a first hole injection layer, a second hole injection layer, and a third hole injection layer on each of the plurality of first electrodes, forming a second hole transport layer and a third hole transport layer on the second hole injection layer and the third hole injection layer, forming a second light emitting layer on the second hole transport layer and the third hole transport layer, and forming a third light emitting layer, and after the second light emitting layer and the third light emitting layer are formed, sequentially forming a first hole transport layer and a first light emitting layer on the first hole injection layer, each of the second and third light emitting layers includes a quantum dot, and the first light emitting layer includes an organic material.
    Type: Application
    Filed: November 22, 2024
    Publication date: August 21, 2025
    Inventor: DONGHA LEE
  • Publication number: 20250176381
    Abstract: A display device includes a base substrate, a barrier wall disposed on the base substrate and provided with a first opening, a first arrangement electrode disposed in the first opening, a second arrangement electrode disposed in the first opening and spaced apart from the first arrangement electrode, and a first light emitting layer disposed in the first opening and including a first quantum dot and an organic light emitting material. The first light emitting layer includes a first portion including the first quantum dot and the organic light emitting material and disposed adjacent to the first arrangement electrode and a second portion including the organic light emitting material and disposed adjacent to the second arrangement electrode.
    Type: Application
    Filed: July 12, 2024
    Publication date: May 29, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventor: DONGHA LEE
  • Publication number: 20250165020
    Abstract: A system-on-chip according to an embodiment includes a core including a header switch circuit configured to transmit a power supply voltage applied to a first power rail as a supply voltage to a second power rail and a logic circuit configured to operate based on the supply voltage from the second power rail, and a low-dropout (LDO) regulator configured to regulate a magnitude of first current output to the second power rail based on a change in the supply voltage, wherein the LDO regulator is further configured to control on/off of a plurality of first header switches included in the header switch circuit based on an amount of the change in the supply voltage.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seki KIM, Sangho KIM, Yongjin LEE, Hyongmin LEE, Dongha LEE, Byeongbae LEE, Sungyong LEE
  • Publication number: 20250143142
    Abstract: A method of manufacturing a display device and a display device are provided. The method of manufacturing a display device includes manufacturing a display panel including a plurality of quantum-dot light emitting devices, exposing the display panel to resin fumes, and adhering a protective layer on the display panel.
    Type: Application
    Filed: June 13, 2024
    Publication date: May 1, 2025
    Inventors: Jongjang PARK, Dongjin KANG, Soo Hyun PARK, Seok Soon BACK, Dongha LEE
  • Publication number: 20250127339
    Abstract: A bathtub system includes a bathtub housing, a pedestal configured to support the bathtub housing, a rotatable seat assembly mounted to the bathtub housing, the rotatable seat assembly including a headrest, and sprayers mounted to the bathtub housing. At least one of the plurality of sprayers is at a position above the headrest of the seat assembly. In addition, the bathtub system may include a projector configured to project an image on a surface of water, at least one sensor configured to detect a user input with respect to the image on the surface of the water, and a controller configured to generate an output in response to the detected user input.
    Type: Application
    Filed: October 3, 2024
    Publication date: April 24, 2025
    Inventors: Dongha Lee, Hiroyuki Muraoka
  • Publication number: 20250098436
    Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y < - 3.518 * ln ? ( x ) + 4 ? 5 . 5 ? 9 , wherein y is the concentration of the organic material, and x is the molecular weight of the organic material.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dongha Lee, Donghoon Kwak, Dukki Kim, Sehun Kim, Seoksoon Back
  • Patent number: D1121794
    Type: Grant
    Filed: July 11, 2024
    Date of Patent: April 7, 2026
    Assignee: Kohler Co.
    Inventors: Shawn J. Booth, Clayton C. Garrels, Dongha Lee, Gabriela Christina Burton-Rodriguez, Carlos F. Uceda, Matthew R. Wegner, Fabiana Antonella Valletta Betancourt, Yidan Zhang
  • Patent number: D1131748
    Type: Grant
    Filed: September 29, 2023
    Date of Patent: June 23, 2026
    Assignee: Kohler Co.
    Inventors: Taiwoon Woon, Matthew R. Wegner, Dongha Lee