Patents by Inventor Kyung Ho Hwang

Kyung Ho Hwang 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: 10878777
    Abstract: An organic light emitting display device includes a gamma reference voltage setter to set a gamma reference voltage, a gamma reference voltage generator to generate a gamma reference voltage set by the gamma reference voltage setter, and a gamma voltage generator to generate a gamma voltage based on the gamma reference voltage. The gamma reference voltage setter sets the gamma reference voltage to a first temporary value, increases the first temporary value by a first delta value, searches a second temporary value at which luminance of the display panel is less than a preset value, and sets the gamma reference voltage based on the searched second temporary value.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Ho Hwang, Young Seob Kim, Ji Tae Kim
  • Publication number: 20200309406
    Abstract: Provided is an air conditioner including a housing including a discharge path, a first discharge wall forming the discharge path, and a second discharge wall arranged at a side opposite to the first discharge wall and an airflow controller including a guide member configured to move between a first location provided at an inside of the first discharge wall and a second location protruding outside of the first discharge wall. The air conditioner controls a discharge airflow while minimizing loss of discharge air volume through an airflow controller without using a general blade, and controls a discharge airflow of air discharged through a discharge path having a circular shape.
    Type: Application
    Filed: November 21, 2018
    Publication date: October 1, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Won Ryu, Hyun Uk Park, Kyung Ho Hwang, Tae-In Eom, Jae Min Park
  • Publication number: 20200232655
    Abstract: An air conditioner includes a housing having a blowing port, a first guide configured to cover a portion of the blowing port, a second guide configured to cover another portion of the blowing port, a motor configured to rotate the first guide and the second guide, a first gear configured to be connected to the first guide, a guide holder configured to be connected to the second guide, and a second gear configured to connect the first gear to the motor.
    Type: Application
    Filed: August 30, 2018
    Publication date: July 23, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kyun JEONG, Kyung Ho HWANG, Jae Min PARK, Hyun Uk PARK, Chan Young PARK, Kwon Jin KIM, Sung Jae KIM, Yeon-Seob YUN, Kyeong Ae LEE, Chang-Woo JUNG, Sung-June CHO
  • Publication number: 20200173713
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Inventors: Jun Won SEO, Jea Won LEE, Yong Soo KYONG, Kyung Ho HWANG, Jae Bok LEE, Myoung Jin JANG, Nam Gu CHOI
  • Patent number: 10591204
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: March 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Won Seo, Jea Won Lee, Yong Soo Kyong, Kyung Ho Hwang, Jae Bok Lee, Myoung Jin Jang, Nam Gu Choi
  • Patent number: 10504433
    Abstract: A pixel includes a pixel circuit and a storage circuit. The pixel circuit provides a driving current corresponding to a data signal to an organic light emitting diode. The storage circuit provides the data signal to the pixel circuit. The storage circuit includes a storage capacitor to store the data signal and a control transistor to transmit a data signal supplied from a data output line to the storage capacitor when the control transistor is turned on.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Tae Kim, Hyung Min Shin, Kyung Ho Hwang
  • Publication number: 20190362679
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Patent number: 10473385
    Abstract: A refrigerator includes a water tank which stores water, a carbon dioxide cylinder which stores carbon dioxide, a dispenser module which accommodates an external container and supplies the carbon dioxide and the water to the external container, and a controller which supplies the water to the external container and supplies the carbon dioxide to the external container when supplying the water is completed.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Ho Lee, Jea Won Lee, Byung Mo Yu, Kyung Ho Hwang
  • Patent number: 10424255
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: September 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Patent number: 10417962
    Abstract: A data compensating device includes a plurality of data compensating blocks. Each of the data compensating blocks includes: a memory cell configured to store an image signal; a one-time programmable (OTP) cell including a program transistor; and a calculator configured to output a compensation signal that is based on an offset signal output from the OTP cell and the image signal stored in the memory cell. The OTP cell is configured to output the output signal from the program transistor. The program transistor includes a gate oxide and is configured to be irreversibly changed based on the image signal. Thicknesses of the gate oxide of the program transistor of the OTP cell in different ones of the data compensating blocks are different from each other.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: September 17, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho-Seok Han, Kyung-Ho Hwang
  • Patent number: 10330058
    Abstract: Disclosed is an air filter using high density filter paper. The filter paper may include a thermally bonded non-woven fabric filter paper 10 having air permeability to filter foreign materials of passed polluted air and change the polluted air to fresh air. The non-woven fabric filter paper includes wrinkled portions 10-1 and 10-N that are folded at a predetermined interval. A thickness of the wrinkle portions 10-1 and 10-N are provided with dense layers 15 and 17 comprising a first polyethylene terephthalate (PET) fiber 20-2 that can shrink by heat and a second polyethylene terephthalate (PET) fiber 20-1 that deforms upon by heat treatment.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: June 25, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Filtration Technologies Co., Ltd.
    Inventors: Tae-Min Yun, Chul-Kyu Kwack, Young-Hae Kim, Kyung-Ho Hwang
  • Patent number: 10190817
    Abstract: Disclosed herein is a refrigerator which includes a carbonated water production assembly, wherein the carbonated water production assembly includes a structure in which a carbonated water container in which carbonated water is produced is installed as a production module, and a structure of a sensor which senses installation of the carbonated water container. Through this, when the carbonated water container is incorrectly installed or not installed, the carbonated water is prevented from being unintentionally produced, and thus efficiency of a carbonated water production may be improved.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: January 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Koog An, Kyung Ho Hwang
  • Publication number: 20190010040
    Abstract: A refrigerator includes a body, a storage chamber, a door, a water tank to store clean water, a carbonated water production module mounted to a back surface of the door while including a carbon dioxide gas cylinder stored with carbon dioxide gas, and a carbonated water tank to produce carbonated water through mixing of the clean water with the carbon dioxide gas, a dispenser including a dispensation space formed at the door, a carbonated discharge line to connect the carbonated water tank and the dispensation space, so as to retrieve the carbonated water in the dispensation space, and a clean water discharge line to connect the water tank and the dispensation space without passing through the carbonated water tank, so as to retrieve the clean water in the dispensation space, and a carbonated water regulator to maintain a discharge pressure of the carbonated water at a predetermined pressure.
    Type: Application
    Filed: September 12, 2018
    Publication date: January 10, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hae Ryong JEON, Sang Tak LEE, Yong Soo KYONG, Kyung Ho HWANG
  • Patent number: 10176756
    Abstract: An organic light emitting display device includes a display panel including pixels that includes an organic light emitting diode that emits light based on a driving current, a data driver providing a data signal to the pixels through a data line, a scan driver providing a scan signal to the pixels through a scan line, an emission control driver providing an emission control signal to the pixels through an emission control line, a first power provider providing a first high power voltage to the pixels through a first power providing line and a second power provider providing a second high power voltage to the pixels through a second power providing line and coupled to the first power provider. The second power provider includes a static current circuit that maintains the driving current having uniform value when the display panel is operated in a low frequency driving mode.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung-Ho Hwang, Won-Ju Shin, Dong-Hwan Lee, Jin-Young Jeon
  • Publication number: 20180334767
    Abstract: Disclosed herein is a clothes treating apparatus having a movable nozzle for spraying air jets to the garment hung on one or more hangers. The clothes treating apparatus includes a main body having a garment container, a door hinged with the main body to be rotated in front of the garment container and having a display on the front side of the door, a nozzle unit having a nozzle configured to spray air to a garment contained in the garment container, a nozzle transportation unit configured to reciprocate the nozzle unit, and a hose supplying air from a fan located on the bottom of the main body to the nozzle unit, wherein a direction of transportation of the nozzle unit intersects the direction of gravity.
    Type: Application
    Filed: May 17, 2018
    Publication date: November 22, 2018
    Inventors: Young Mi KIM, Kyung Ho HWANG, Jea Won LEE, Jong Ho LEE, Hwang Mook CHO
  • Patent number: 10043452
    Abstract: An organic light emitting display device includes a display panel, a scan driver, a data driver, a power supply which provides a first voltage to a first power terminal of the pixel and selectively provides the first voltage or a second voltage to a second power terminal of the pixel, and a controller which selects one of a normal driving mode and a power saving mode as a panel driving mode where the power supply provides the second voltage to the second power terminal of the pixel in a first period of one frame period and provides the first voltage to the second power terminal of the pixel in a second period of one frame period when the panel driving mode is the power saving mode.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeon-Shil Jung, Hyung-Min Shin, Ji-Tae Kim, Tae-Wook Kim, Sung-Un Park, Kyung-Ho Hwang
  • Publication number: 20180204512
    Abstract: A data compensating device includes a plurality of data compensating blocks. Each of the data compensating blocks includes: a memory cell configured to store an image signal; a one-time programmable (OTP) cell including a program transistor; and a calculator configured to output a compensation signal that is based on an offset signal output from the OTP cell and the image signal stored in the memory cell. The OTP cell is configured to output the output signal from the program transistor. The program transistor includes a gate oxide and is configured to be irreversibly changed based on the image signal. Thicknesses of the gate oxide of the program transistor of the OTP cell in different ones of the data compensating blocks are different from each other.
    Type: Application
    Filed: January 3, 2018
    Publication date: July 19, 2018
    Inventors: Ho-Seok Han, Kyung-Ho Hwang
  • Publication number: 20180187965
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 5, 2018
    Inventors: Jun Won SEO, Jea Won LEE, Yong Soo KYONG, Kyung Ho HWANG, Jae Bok LEE, Myoung Jin JANG, Nam Gu CHOI
  • Patent number: 10002566
    Abstract: An organic light emitting display device includes pixel unit, a power supply, and a timing controller. The power supply supplies a driving voltage to the pixel unit. The timing controller divides the pixel unit into a plurality of regions, calculates color on-pixel ratio (C-OPR) values of the regions based on image data, and controls the power supply based on the C-OPR values of the regions.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 19, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Un Park, Hyung Min Shin, Kyung Ho Hwang
  • Patent number: 9945603
    Abstract: Disclosed herein are a refrigerator and a control method of the same. The refrigerator includes a purified water pump which increases a pressure of water, a carbon dioxide regulator which decreases a pressure of carbon dioxide, a mixing pipe which mixes water which introduced from the purified water pump and carbon dioxide which introduced from the carbon dioxide regulator, and produces carbonated water, a user interface which receives a production condition of carbonated water from a user, and a controller which controls the purified water pump and the carbon dioxide regulator such that the pressure of the water and the pressure of the carbon dioxide reach a target pressure corresponding to the input production condition.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung Ho Hwang, Jea Won Lee, Byung Mo Yu, Jong Ho Lee, Hyeon Kyu Lim