Patents by Inventor Jae-Sang Lee

Jae-Sang 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: 20140144834
    Abstract: The present disclosure relates to a separation membrane with a titanium dioxide nanostructure bound thereto, wherein titanium dioxide in the form of nanowire is fixed to the separation membrane by means of a polymer nanostructure so as to prevent a decrease of the specific surface area and separation performance of the membrane and thus removal of pollutants by the separation membrane and photo oxidative degradation by titanium dioxide in the form of nanowire can be maximized, and a method for fabricating the same.
    Type: Application
    Filed: November 29, 2012
    Publication date: May 29, 2014
    Inventors: Seok Won HONG, Ha Na Yoo, Subramaniya Pillai Ramasundara, Jae Sang Lee
  • Publication number: 20140069189
    Abstract: Disclosed herein is an angular velocity sensor including: first and second mass bodies; a first frame provided at an outer side of the first and second mass bodies; a first flexible part respectively connecting the first and second mass bodies to the first frame; a second flexible part respectively connecting the first and second mass bodies to the first frame; a second frame provided at an outer side of the first frame; a third flexible part connecting the first and second frames to each other; and a fourth flexible part connecting the first and second frames to each other.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 13, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woon Kim, Yu Heon Yi, Jae Sang Lee, Won Kyu Jeung
  • Publication number: 20140043848
    Abstract: A backlight device according to an exemplary embodiment of the present invention includes, wherein a light guide plate including a convex portion and a recess portion, a lower cover including a lateral surface cover part positioned adjacent to the convex portion, the lower cover surrounding the light guide plate, and a fixing member positioned between the light guide plate and the lateral surface cover part of the lower cover, in which the lateral cover part includes an opening, and the fixing member includes a first hook surrounding the convex portion and a second hook protruding through the opening of the lateral surface cover part.
    Type: Application
    Filed: May 21, 2013
    Publication date: February 13, 2014
    Inventors: Mi-Young JUNG, Jae Sang Lee, Kyu-Tae Park, Yong Hun Jung, Sung Yeon Hwang, Min Woo Lee
  • Publication number: 20130327144
    Abstract: Disclosed herein is a sensor including a mass body; a fixing part provided so as to be spaced apart from the mass body; a first flexible part connecting the mass body and the fixing part to each other in a Y-axis; and a second flexible part connecting the mass body and the fixing part to each other in an X-axis, wherein the first flexible part has a width in an X-axis direction larger than a thickness in a Z-axis direction, and the second flexible part has a thickness in a Z-axis direction larger than a width in a Y-axis direction.
    Type: Application
    Filed: May 28, 2013
    Publication date: December 12, 2013
    Inventors: Jong Woon Kim, Jae Sang Lee, Won Kyu Jeung
  • Publication number: 20130265526
    Abstract: A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.
    Type: Application
    Filed: June 5, 2013
    Publication date: October 10, 2013
    Inventors: Hyun-Su PARK, Jae-Sang LEE, Sang-Hyeok LEE, Ki-Hwan BAEK
  • Publication number: 20130128606
    Abstract: A light-emitting module includes a light source, a printed circuit board (“PCB”) and a light absorption portion. The light source generates and emits a light, and the light source is on a first surface of the PCB. The light absorption portion is on the first surface of the PCB and absorbs the light.
    Type: Application
    Filed: May 3, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Hwan BAEK, Jin SEO, Jae-Sang LEE, Hyung-Jin KIM, Sang-Won LEE
  • Publication number: 20130010497
    Abstract: A display device includes: a first chassis including a bottom surface, and a side wall which extends from an edge of the bottom surface; a light guide plate in the first chassis; a first fixing member which overlaps the side wall of the first chassis and contacts an upper surface of the light guide plate; and a first fastening member which fastens the first fixing member to the side wall of the first chassis. The first chassis includes a groove which extends through the side wall of the first chassis, the light guide plate includes a first protrusion which protrudes from an edge of the light guide plate and extends into the groove, and the first fixing member contacts an upper surface of the first protrusion of the light guide plate.
    Type: Application
    Filed: November 9, 2011
    Publication date: January 10, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Sang Lee, Jin Seo, Hyung Jin Kim, Joong-Hyun Kim
  • Patent number: 8302568
    Abstract: A variable compression ratio apparatus for a vehicle engine that is mounted at the engine receiving combustion force of an air-fuel mixture from a piston and rotating a crankshaft mounted between upper and lower cylinder blocks, and that changes compression ratio of the air-fuel mixture by changing a mounting height of the crankshaft according to a driving condition of the engine, may include a bearing having a hollow space eccentric to a center thereof and rotatably mounted between the upper and lower cylinder blocks, the crankshaft being rotatably inserted in the hollow space; and an operating unit provided at the lower cylinder block and controlling a rotational displacement of the bearing.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: November 6, 2012
    Assignee: Hyundai Motor Company
    Inventors: Jae Sang Lee, Ki Wook Byeon
  • Publication number: 20120250290
    Abstract: A light emitting module includes a light source, a printed circuit board, and a connector part. The printed circuit board includes a wiring layer having a wiring electrically connected to the light source, a heat dissipation layer formed under the wiring layer, and a through hole passing through the wiring layer and the heat dissipation layer. The connector part is disposed in the through hole and is electrically connected to the wiring for transmitting a power through the wiring to the light source. The heat dissipation layer may effectively dissipate the heat generated from the light source. A height of a protrusion of the connector part protruding from an upper surface of the printed circuit board may be minimized, such that a dark area caused by the connector part may be minimized, and display quality of a display apparatus including the light emitting module may be optimized.
    Type: Application
    Filed: September 22, 2011
    Publication date: October 4, 2012
    Inventors: Chan-Jae PARK, Seung-Hwan Baek, Jae-Sang Lee, Young-Keun Lee, Young-Jun Seo, Young-Min Park
  • Patent number: 8251724
    Abstract: Provided are a lamp socket structured to realize a slimmer display device, and a display device having the lamp socket. The lamp socket includes: a body portion; a connection terminal for connection of the lamp socket to a terminal of a lamp; a compliant portion which connects the body portion and the connection terminal and includes a first portion connected to the connection terminal and a second portion connected to the body portion; and one or more fixing portions which extend from the body portion, wherein the first portion and the second portion at least partially overlap each other.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Hyeok Lee, Jae-Hwan Chun, Jung-Ki Kim, Hyun-Su Park, Jae-Sang Lee, Jeong-Ki Kim, Ki-Hwan Baek, Kyu-Hun Shim
  • Publication number: 20120091156
    Abstract: Reusable beverage sleeves and methods of use are disclosed herein. The inventive reusable beverage sleeves can be removably coupled or operatively engaged with a beverage container. The reusable beverage sleeve typically comprises a first section and a second section. The first section includes a pocket with which to store and secure various items. The second section and the first section form a generally tubular sleeve having an upper edge and a lower edge which creates an opening to receive the beverage container of a user's appendage (e.g., a wrist, forearm, ankle, or calf). The first and second sections are typically substantially comprised of a flexible fabric, such as elastic or similar elastomer material.
    Type: Application
    Filed: April 18, 2011
    Publication date: April 19, 2012
    Inventor: Jae Sang Lee
  • Publication number: 20110292315
    Abstract: A liquid crystal display (“LCD”) module includes a backlight assembly emitting light, a LCD panel overlapping the backlight assembly, and an upper cover. The backlight includes a light source module emitting the light, a light guide plate (“LGP”) including edges and a middle portion, and a LGP support overlapping the edges of the LGP. The LGP support includes a plurality of LGP supporting pieces connected to each other so as to form a polygonal shape, each of the LGP supporting pieces including a LGP supporting portion including a LGP supporting surface overlapping the edges of the LGP, and the LGP supporting surfaces of each of the LGP supporting pieces of the LGP support are placed on a same plane. Opposing LGP supporting pieces are interconnected by an LCD module mounting member.
    Type: Application
    Filed: May 10, 2011
    Publication date: December 1, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-Chul BAE, Jae-Sang LEE, Seong-Sik CHOI, Hee-June KWAK, Sang-Hyeok LEE
  • Patent number: 8011500
    Abstract: A reusable bag with a fastening system is disclosed. The reusable bag having at least one panel, but typically having a first panel and a second panel with a first loop handle and a second loop handle, the first and second handles coupled with and extending from the first and second panels respectively. The fastening system of the reusable bag comprises at least one of, but typically both a first strap and a second strap. The first strap having one of a hook material and a loop material, while the second strap having another of the hook material. Further disclosed are a looped third strap of the fastening system and a pocket adapted to receive the first and second straps. Methods relating to the reusable bag and fastening system, such as a method comprising folding and/or rolling, stacking, wrapping, and securing one or more reusable bags are additionally described herein.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: September 6, 2011
    Inventor: Jae Sang Lee
  • Publication number: 20110205301
    Abstract: There is provided an inkjet head including: a body portion ejecting ink therein by a driving of an actuator; and a rigidity reinforcing portion coupled to an outer surface of the body portion and reducing deformation of the body portion during the ejecting of the ink.
    Type: Application
    Filed: October 29, 2010
    Publication date: August 25, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hun Kim, Jae-Sang Lee, Jae Woo Joung
  • Publication number: 20110122197
    Abstract: An inkjet head and an inkjet printer having the inkjet head are disclosed. In accordance with an embodiment of the present invention, the inkjet head includes a chamber housing ink and a nozzle, which discharges the ink housed in the chamber. Here, a plurality of inner wall grooves are formed on an inner wall of the nozzle, in which the plurality of inner wall grooves extends in a lengthwise direction of the nozzle. Thus, the inkjet head can discharge big ink droplets at a high frequency by quickly filling the ink in the nozzle after relatively big ink is discharged.
    Type: Application
    Filed: July 20, 2010
    Publication date: May 26, 2011
    Inventors: Hyun-Ho SHIN, Jae-Woo Joung, Chang-Sung Kim, Yoon-Sok Park, Ji-Han Kwon, Won-Chul Sim, Jae-Sang Lee
  • Publication number: 20110102520
    Abstract: There is provided an inkjet print head. The inkjet print head includes a pressure chamber storing ink drawn from a reservoir in order to be ejected through a nozzle, a restrictor provided as a path between the reservoir and the pressure chamber, and a stepped part provided inside the pressure chamber and creating variations in ink flow inside the pressure chamber.
    Type: Application
    Filed: December 29, 2009
    Publication date: May 5, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Changsung Sean Kim, Won Chul Sim, Jae Sang Lee, Hyun Ho Shin
  • Publication number: 20100226596
    Abstract: A reusable bag with a fastening system is disclosed. The reusable bag having at least one panel, but typically having a first panel and a second panel with a first loop handle and a second loop handle, the first and second handles coupled with and extending from the first and second panels respectively. The fastening system of the reusable bag comprises at least one of, but typically both a first strap and a second strap. The first strap having one of a hook material and a loop material, while the second strap having another of the hook material. Further disclosed are a looped third strap of the fastening system and a pocket adapted to receive the first and second straps. Methods relating to the reusable bag and fastening system, such as a method comprising folding and/or rolling, stacking, wrapping, and securing one or more reusable bags are additionally described herein.
    Type: Application
    Filed: March 9, 2009
    Publication date: September 9, 2010
    Inventor: Jae Sang Lee
  • Patent number: 7771078
    Abstract: There is provided a lamp fixing holder. A lamp fixing holder for fixes a lamp to a receiving container. The lamp provides a liquid crystal display panel with light. The lamp includes a first portion of a face and a second portion of the face. The light emitted from the first portion of the face advances toward the liquid crystal display panel. The lamp fixing holder comprises a lamp fixing body and a fixing member. The lamp fixing body holds a third portion of the face of the lamp. The second portion includes the third portion. The fixing member fixes the lamp fixing body to the receiving container. The lamp fixing holder according to the present invention fixes the lamp so that the lamp does not sway, while minimizing an amount of light that is shielded by the lamp fixing holder.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Hwan Lee, Jong-Dae Park, Yong-Il Kim, Chang-Young Bang, Tae-Jin Lee, Yong-Seok Choi, Jae-Ho Jung, Keun-Woo Lee, Jae-Sang Lee
  • Publication number: 20100188607
    Abstract: A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.
    Type: Application
    Filed: January 29, 2010
    Publication date: July 29, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-Su PARK, Jae-Sang LEE, Sang-Hyeok LEE, Ki-Hwan BAEK
  • Publication number: 20100173540
    Abstract: Provided are a lamp socket structured to realize a slimmer display device, and a display device having the lamp socket. The lamp socket includes: a body portion; a connection terminal for connection of the lamp socket to a terminal of a lamp; a compliant portion which connects the body portion and the connection terminal and includes a first portion connected to the connection terminal and a second portion connected to the body portion; and one or more fixing portions which extend from the body portion, wherein the first portion and the second portion at least partially overlap each other.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 8, 2010
    Inventors: Sang-Hyeok LEE, Jae-Hwan CHUN, Jung-Ki KIM, Hyun-Su PARK, Jae-Sang LEE, Jeong-Ki KIM, Ki-Hwan BAEK, Kyu-Hun SHIM