Patents by Inventor Won-chul HWANG

Won-chul 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).

  • Illumination device that switches light emission direction
    Patent number: 9574753
    Abstract: An illumination device includes a conversion unit that controls an emission direction of light emitted from a light-emitting unit included in the illumination device. The conversion unit includes a ball-shaped main body, and may be formed between an upper body, which includes the light-emitting unit, and a lower body. An assembly unit may be formed in the upper body to couple the conversion unit, and the light emission direction may be appropriately controlled by controlling the shape of the ball-shaped main body.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-chul Hwang, Jung-hyun Park, Jun-ho Jung, Hwan-woong Choi
  • ILLUMINATION DEVICE THAT SWITCHES LIGHT EMISSION DIRECTION
    Publication number: 20150276183
    Abstract: An illumination device includes a conversion unit that controls an emission direction of light emitted from a light-emitting unit included in the illumination device. The conversion unit includes a ball-shaped main body, and may be formed between an upper body, which includes the light-emitting unit, and a lower body. An assembly unit may be formed in the upper body to couple the conversion unit, and the light emission direction may be appropriately controlled by controlling the shape of the ball-shaped main body.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 1, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Won-chul HWANG, Jung-hyun Park, Jun-ho Jung, Hwan-woong Choi
  • LED bulb
    Patent number: D741517
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Chul Hwang, Hwan-Woong Choi
  • LED bulb
    Patent number: D741518
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Chul Hwang, Hwan-Woong Choi
  • LED electric bulb
    Patent number: D742556
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Chul Hwang, Hwan-Woong Choi
  • Lens for LED bulb
    Patent number: D749242
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Chul Hwang, Hwan- Woong Choi
  • Stand for television receiver
    Patent number: D784305
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: April 18, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyubok Lee, Hee-Bong Kim, Won Chul Hwang
  • Television receiver
    Patent number: D797084
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: September 12, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-Bok Lee, Won-Chul Hwang, Sang-Young Lee
  • Sound bar
    Patent number: D805125
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: December 12, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gyoo-Sang Choi, Won-Chul Hwang, Ju-Won Cho
  • Television receiver
    Patent number: D853365
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: July 9, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang
  • Television receiver
    Patent number: D855593
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang
  • Television receiver
    Patent number: D865730
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang
  • Television receiver
    Patent number: D878314
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: March 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang
  • Television receiver
    Patent number: D888695
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang
  • Television receiver
    Patent number: D892095
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang