Patents by Inventor Jae-Chang Choi

Jae-Chang Choi 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: 20250024844
    Abstract: A cart treatment system according to the present invention includes: a pre-treatment module for cart treatment; an intermediate module provided to receive and treat the cart which is treated in the pre-treatment module; and a post-treatment module provided to receive and treat the cart which is treated in the intermediate module, wherein the intermediate module is provided to be put in either a coupled state in which the pre-treatment module is coupled to the post-treatment module or a detached state in which the pre-treatment module is detached from the post-treatment module.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 23, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Chun Myung CHOI, Gi Chang LEE, Seung Hoon LEE, Seung Ho LEE, Jae Gyoung KIM
  • Publication number: 20250020214
    Abstract: A packing according to the present invention includes: an expansion part inserted into a groove formed in an annular shape on an outer side surface of an installation target and including an expansion space, into which air flows, provided therein; and a sealing part connected to a side surface which faces an outer side of the groove among the side surfaces of the expansion part, and provided to press a pressed target by being pushed to an outside of the groove as the expansion part expands to maintain airtightness of a boundary between the installation target and the pressed target adjacent to the installation target.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 16, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Chun Myung CHOI, Gi Chang LEE, Jae Gyoung KIM, Seung Ho LEE, Seung Hoon LEE
  • Patent number: 9442244
    Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: September 13, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Young Kim, Hyun-Chul Bae, Jae-Chang Choi, Seong-Sik Choi
  • Publication number: 20150370006
    Abstract: Provided are a backlight assembly with improved heat dissipation, and a liquid crystal display (LCD) having such a backlight assembly. The backlight assembly includes: a light guide plate; a light source unit disposed on a side of the light guide plate; an intermediate housing covering an upper surface of the light source unit; and a lower housing coupled to the intermediate housing to accommodate the light guide plate and the light source unit, wherein the lower housing includes: a light source unit-fixing frame to which the light source unit is fixed, the light source unit-fixing frame contacting an inner surface of the intermediate housing; and a body portion disposed under the light guide plate and coupled to the light source unit-fixing frame.
    Type: Application
    Filed: September 1, 2015
    Publication date: December 24, 2015
    Inventors: Jae-Chang CHOI, Seong-Sik CHOI
  • Patent number: 9140849
    Abstract: Provided are a backlight assembly with improved heat dissipation, and a liquid crystal display (LCD) having such a backlight assembly. The backlight assembly includes: a light guide plate; a light source unit disposed on a side of the light guide plate; an intermediate housing covering an upper surface of the light source unit; and a lower housing coupled to the intermediate housing to accommodate the light guide plate and the light source unit, wherein the lower housing includes: a light source unit-fixing frame to which the light source unit is fixed, the light source unit-fixing frame contacting an inner surface of the intermediate housing; and a body portion disposed under the light guide plate and coupled to the light source unit-fixing frame.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Chang Choi, Seong-Sik Choi
  • Publication number: 20150212259
    Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.
    Type: Application
    Filed: April 13, 2015
    Publication date: July 30, 2015
    Inventors: Joo-Young KIM, Hyun-Chul BAE, Jae-Chang CHOI, Seong-Sik CHOI
  • Patent number: 9030621
    Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Young Kim, Hyun-Chul Bae, Jae-Chang Choi, Seong-Sik Choi
  • Patent number: 8944664
    Abstract: A display device includes: a display panel; a bottom container member which receives the display panel; an auxiliary member including a bottom, and a side extending from an edge of the bottom, and coupled with the bottom container member; a light source unit coupled with the side of the auxiliary member; and a first heat radiating member between the auxiliary member and the light source unit. The first heat radiating member includes a phase change material.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Hwi Kim, Won Jin Kim, Sang Hoon Lee, Seong Sik Choi, Jae Chang Choi
  • Patent number: 8934068
    Abstract: A backlight assembly includes a light source unit including a circuit board, a light source disposed on a first plane of the circuit board, and at least one connection unit disposed on a second plane opposite to the first plane of the circuit board and electrically connected to the light source, a receiving container having a bottom plate and sidewalls extending from edges of the bottom plate and receiving the light source unit, the bottom plate including at least one opening portion in which the connection unit is inserted and exposed to the outside, and at least one driving unit disposed at a rear surface of the receiving container and connected to the connection unit for driving the light source unit.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: January 13, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Hee Park, Bong-Hyun You, Jae-Chang Choi
  • Patent number: 8885119
    Abstract: A backlight assembly of a Liquid Crystal Display (LCD) is provided with improved heat dissipation capabilities. The improved dissipation capabilities come from one or more light-sourcing unit fixing frames that have extensions which protrude to outside a housing that houses light sourcing units of the LCD. The light-sourcing unit fixing frames mechanically interlock with the housing.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Yong Noh, Jae Chang Choi, Seong Sik Choi
  • Patent number: 8845139
    Abstract: A backlight assembly includes a light emitting module and a receiving container. The receiving container receives the light emitting module, and includes a first frame, a second frame and a heat dissipation channel. The first frame includes a first bottom, and first sidewalls connected to the first bottom. The second frame includes a second bottom which faces the first bottom and is sealed with the first frame. The first and second bottoms are spaced apart from each other and form the heat dissipation channel therebetween.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: September 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Lyoul Shin, Hirokazu Shibata, Jae-Chang Choi
  • Publication number: 20140233216
    Abstract: A backlight assembly includes a light source unit including a circuit board, a light source disposed on a first plane of the circuit board, and at least one connection unit disposed on a second plane opposite to the first plane of the circuit board and electrically connected to the light source, a receiving container having a bottom plate and sidewalls extending from edges of the bottom plate and receiving the light source unit, the bottom plate including at least one opening portion in which the connection unit is inserted and exposed to the outside, and at least one driving unit disposed at a rear surface of the receiving container and connected to the connection unit for driving the light source unit.
    Type: Application
    Filed: April 29, 2014
    Publication date: August 21, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: JIN HEE PARK, Bong-Hyun You, Jae-Chang Choi
  • Publication number: 20140185324
    Abstract: A backlight assembly of a Liquid Crystal Display (LCD) is provided with improved heat dissipation capabilities. The improved dissipation capabilities come from one or more light-sourcing unit fixing frames that have extensions which protrude to outside a housing that houses light sourcing units of the LCD. The light-sourcing unit fixing frames mechanically interlock with the housing.
    Type: Application
    Filed: March 6, 2014
    Publication date: July 3, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheol Yong NOH, Jae Chang CHOI, Seong Sik CHOI
  • Patent number: 8755002
    Abstract: A backlight assembly includes a light source unit including a circuit board, a light source disposed on a first plane, of the circuit board, and at least one connection unit disposed on a second plane opposite to the first plane of the circuit board and electrically connected to the light source, a receiving container having a bottom plate and sidewalls extending from edges of the bottom plate and receiving the light source unit, the bottom plate including at least one opening portion in which the connection unit is inserted and exposed to the outside, and at least one driving unit disposed at a rear surface of the receiving container and connected to the connection unit for driving the light source unit.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: June 17, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hee Park, Bong-Hyun You, Jae-Chang Choi
  • Patent number: 8704974
    Abstract: A backlight assembly of a Liquid Crystal Display (LCD) is provided with improved heat dissipation capabilities. The improved dissipation capabilities come from one or more light-sourcing unit fixing frames that have extensions which protrude to outside a housing that houses light sourcing units of the LCD. The light-sourcing unit fixing frames mechanically interlock with the housing.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol-Yong Noh, Jae-Chang Choi, Seong-Sik Choi
  • Patent number: 8690409
    Abstract: A backlight assembly includes a light guiding plate and a plurality of first light sources. The light guiding plate includes a light exiting surface through which light can exit, a light guiding surface positioned opposite to the light exiting surface, and a first surface extending between the light guiding surface and the light exiting surface and inclined with respect to the light guiding surface by a first angle. The first angle is an acute angle. The first light sources can generate light, and are disposed under the light guiding plate. These first light sources are disposed adjacent to a first edge connecting the first surface with the light guiding surface.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: April 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Lyoul Shin, Jae-Chang Choi, Tae-Ho Lee, Je-Won Woo, Su-Chang Ryu
  • Publication number: 20140003031
    Abstract: A display device includes: a display panel; a bottom container member which receives the display panel; an auxiliary member including a bottom, and a side extending from an edge of the bottom, and coupled with the bottom container member; a light source unit coupled with the side of the auxiliary member; and a first heat radiating member between the auxiliary member and the light source unit. The first heat radiating member includes a phase change material.
    Type: Application
    Filed: January 4, 2013
    Publication date: January 2, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Hwi KIM, Won Jin KIM, Sang Hoon LEE, Seong Sik CHOI, Jae Chang CHOI
  • Patent number: 8439551
    Abstract: A backlight assembly includes a light guide plate guiding light, one or more light sources disposed on a side of the light guide plate and generating and providing the light to the light guide plate, a housing including a bottom portion and sidewall portions which each extend from the bottom portion, and accommodating the light guide plate and the light sources, and a light source cover. The light source cover includes a flat portion which contacts a top surface of the light guide plate, a height-adjusting portion which extends upward or downward from the flat portion to form a stepped shape and has the light sources installed thereunder, and fixing portions which extend from the height-adjusting portion and are fixed to a corresponding one of the sidewall portions. A centerline of the light sources is aligned with a centerline of the light guide plate.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: May 14, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Woan Cho, Jae-Chang Choi, Yong-Woo Lee
  • Publication number: 20120236588
    Abstract: A backlight assembly includes a light guiding plate and a plurality of first light sources. The light guiding plate includes a light exiting surface through which light can exit, a light guiding surface positioned opposite to the light exiting surface, and a first surface extending between the light guiding surface and the light exiting surface and inclined with respect to the light guiding surface by a first angle. The first angle is an acute angle. The first light sources can generate light, and are disposed under the light guiding plate. These first light sources are disposed adjacent to a first edge connecting the first surface with the light guiding surface.
    Type: Application
    Filed: February 17, 2012
    Publication date: September 20, 2012
    Inventors: Dong-Lyoul SHIN, Jae-Chang CHOI, Tae-Ho LEE, Je-Won YOO, Su-Chang RYU
  • Publication number: 20120188793
    Abstract: A backlight assembly includes a light emitting module and a receiving container. The receiving container receives the light emitting module, and includes a first frame, a second frame and a heat dissipation channel. The first frame includes a first bottom, and first sidewalls connected to the first bottom. The second frame includes a second bottom which faces the first bottom and is sealed with the first frame. The first and second bottoms are spaced apart from each other and form the heat dissipation channel therebetween.
    Type: Application
    Filed: January 24, 2012
    Publication date: July 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Lyoul SHIN, Hirokazu SHIBATA, Jae-Chang CHOI