Patents by Inventor Bong-Ju Kim

Bong-Ju Kim 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: 9064454
    Abstract: A display device and a method of driving the same, in which the display device includes: a light-emitting element; a first capacitor connected between first and second contact points; a driving transistor that has a control terminal connected to the second contact point, an input terminal connected to a driving voltage, and an output terminal connected to the light-emitting element; a first switching transistor connected between a data voltage or a sustain voltage and the first contact point; a second switching transistor connected between the second contact point and the output terminal of the driving transistor; and a third switching transistor connected between a reference current source and the output terminal of the driving transistor.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: June 23, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Myeon Han, Jae-Beom Choi, Bong-Ju Kim, Kwon-Hyung Lee, Ji-Hye Eom, Sang-Hyun Jun, Hyun-Been Hwang
  • Patent number: 8973210
    Abstract: Provided is a robot cleaner. In an embodiment, the robot cleaner for avoiding obstacles and sucking foreign materials using a plurality of sensors and a suction motor is characterized in that a drive suppression unit for detecting obstacles having a corresponding height is integrated with a base for forming a lower portion of a main body in order to not climb obstacles of a constant height during a driving period of the robot cleaner. The present disclosure according to the embodiment improves drive stability of the robot cleaner by sensing a threshold in erroneous state of the sensor for sensing the threshold.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: March 10, 2015
    Assignee: LG Electronics Inc.
    Inventors: Sung-Guen Kim, In-Bo Shim, Byung-Doo Yim, Ji-Hoon Sung, Bong-Ju Kim
  • Patent number: 8874268
    Abstract: Provided is a robot cleaner, and more particularly to a robot cleaner which detest whether a foreign material storage unit is separated. The robot cleaner includes a main body including a suction motor, a foreign material storage unit separably disposed within the main body, the foreign material storage unit storing foreign materials contained in sucked air, a foreign material cover for selectively shielding one side of the foreign material storage unit, and a detection unit for detecting whether the foreign material cover is opened.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: October 28, 2014
    Assignee: LG Electronics Inc.
    Inventors: Bong-Ju Kim, In-Bo Shim, Ji-Hoon Sung, Byung-Doo Yim, Sung-Guen Kim
  • Patent number: 8865485
    Abstract: An organic light emitting diode (OLED) display and a manufacturing method thereof, the OLED display includes: a substrate main body; a polycrystalline silicon layer pattern including a polycrystalline active layer formed on the substrate main body and a first capacitor electrode; a gate insulating layer pattern formed on the polycrystalline silicon layer pattern; a first conductive layer pattern including a gate electrode and a second capacitor electrode that are formed on the gate insulating layer pattern; an interlayer insulating layer pattern formed on the first conductive layer pattern; and a second conductive layer pattern including a source electrode, a drain electrode and a pixel electrode that are formed on the interlayer insulating layer pattern. The gate insulating layer pattern is patterned at a same time with any one of the polycrystalline silicon layer pattern and the first conductive layer pattern.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Chul Shin, Jong-Moo Huh, Bong-Ju Kim, Yun-Gyu Lee
  • Patent number: 8832902
    Abstract: According to an embodiment of the present disclosure, an installation structure for an agitator installed in a dust suction unit of a robot cleaner to scatter foreign substances distributed in a working area comprises: a holder which is connected to a driving motor for providing a torque to the agitator and has a part exposed to the inside of the dust suction unit; and a fixing shaft for forming a rotation shaft of the agitator and having a shape of a polygonal pillar or a shape of a pillar including at least one projection, wherein a shaft insertion part is formed in the holder, has a dented shape corresponding to the shape of the fixing shaft, and can be engaged and rotated with the fixing shaft while the fixing shaft is inserted into and installed at the holder. According to an embodiment of the present disclosure, the easy separation and installation of the agitator and the enablement of simultaneous rotation of the agitator and a side brush can improve user satisfaction.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: September 16, 2014
    Assignee: LG Electronics Inc.
    Inventors: Sung-Guen Kim, In-Bo Shim, Byung-Doo Yim, Ji-Hoon Sung, Bong-Ju Kim
  • Patent number: 8825256
    Abstract: A charging device of a robot cleaner is provided. The charging device of a robot cleaner according to the embodiment includes at least one cover forming an appearance of the charging device, a base which is coupled with the cover and includes a terminal unit for charging the robot cleaner, an induction signal generating unit disposed at a side of the cover or the base to transmit a return induction signal to the robot cleaner, and an induction signal guide member disposed at a side of the induction signal generating unit to enhance a docking performance of the robot cleaner by improving linearity of the induction signal. The charging device according to the embodiment can guide the path for the return of the robot cleaner and recharge the robot cleaner stably.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: September 2, 2014
    Assignee: LG Electronics Inc.
    Inventors: Bong-Ju Kim, In-Bo Shim, Ji-Hoon Sung, Byung-Doo Yim, Sung-Guen Kim
  • Publication number: 20140199794
    Abstract: An organic light emitting diode (OLED) display and a manufacturing method thereof, the OLED display includes: a substrate main body; a polycrystalline silicon layer pattern including a polycrystalline active layer formed on the substrate main body and a first capacitor electrode; a gate insulating layer pattern formed on the polycrystalline silicon layer pattern; a first conductive layer pattern including a gate electrode and a second capacitor electrode that are formed on the gate insulating layer pattern; an interlayer insulating layer pattern formed on the first conductive layer pattern; and a second conductive layer pattern including a source electrode, a drain electrode and a pixel electrode that are formed on the interlayer insulating layer pattern. The gate insulating layer pattern is patterned at a same time with any one of the polycrystalline silicon layer pattern and the first conductive layer pattern.
    Type: Application
    Filed: March 18, 2014
    Publication date: July 17, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Min-Chul SHIN, Jong-Moo HUH, Bong-Ju KIM, Yun-Gyu LEE
  • Patent number: 8732901
    Abstract: Provided is a robot cleaner, and more particularly to a robot cleaner for shielding particularly an air inlet of a foreign material storage unit. The robot cleaner includes a main body including a drive unit for providing a suction force, a main cover for shielding a side of the main body, a foreign material storage unit separably disposed on the main cover, the foreign material storage unit having an air inlet for introducing air containing foreign materials, a foreign material cover disposed on the main cover, the foreign material cover selectively shielding a side of the foreign material storage unit, and a shield member disposed on the foreign material storage unit, the shield member selectively shielding the air inlet.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: May 27, 2014
    Assignee: LG Electronics Inc.
    Inventors: In-Bo Shim, Sung-Guen Kim, Byung-Doo Yim, Bong-Ju Kim, Ji-Hoon Sung
  • Patent number: 8716040
    Abstract: An organic light emitting diode (OLED) display and a manufacturing method thereof, the OLED display includes: a substrate main body; a polycrystalline silicon layer pattern including a polycrystalline active layer formed on the substrate main body and a first capacitor electrode; a gate insulating layer pattern formed on the polycrystalline silicon layer pattern; a first conductive layer pattern including a gate electrode and a second capacitor electrode that are formed on the gate insulating layer pattern; an interlayer insulating layer pattern formed on the first conductive layer pattern; and a second conductive layer pattern including a source electrode, a drain electrode and a pixel electrode that are formed on the interlayer insulating layer pattern. The gate insulating layer pattern is patterned at a same time with any one of the polycrystalline silicon layer pattern and the first conductive layer pattern.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: May 6, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Chul Shin, Jong-Moo Huh, Bong-Ju Kim, Yun-Gyu Lee
  • Publication number: 20140038333
    Abstract: A display device includes a substrate, a first conductive film pattern including a gate electrode and a first capacitor electrode on the substrate, a gate insulating layer pattern on the first conductive film pattern, a polycrystalline silicon film pattern including an active layer and a second capacitor electrode on the gate insulating layer pattern, an interlayer insulating layer on the polycrystalline silicon film pattern, a plurality of first contact holes through the gate insulating layer pattern and the interlayer insulating layer to expose a portion of the first conductive film pattern, a plurality of second contact holes through the interlayer insulating layer to expose a portion of the polycrystalline silicon film pattern, and a second conductive film pattern including a source electrode, a drain electrode, and a pixel electrode on the interlayer insulating layer.
    Type: Application
    Filed: October 8, 2013
    Publication date: February 6, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Chul Shin, Jong-Moo Huh, Bong-Ju Kim, Yun-Gyu Lee
  • Patent number: 8633054
    Abstract: In an organic light-emitting display device and a method of manufacturing the same, the organic light-emitting display device comprises: a substrate including a transistor region; a buffer layer and a semiconductor layer sequentially formed on the substrate; a gate electrode formed on the semiconductor layer; an interlayer insulating film formed on the gate electrode; source and drain electrodes, each formed on the interlayer insulating film and having a portion penetrating the interlayer insulating film so as to contact the semiconductor layer; a mask pattern formed on each of the source and drain electrodes; and a pixel defined layer formed on the mask pattern.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: January 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Bong-Ju Kim
  • Patent number: 8563978
    Abstract: A display device includes a substrate, a first conductive film pattern including a gate electrode and a first capacitor electrode on the substrate, a gate insulating layer pattern on the first conductive film pattern, a polycrystalline silicon film pattern including an active layer and a second capacitor electrode on the gate insulating layer pattern, an interlayer insulating layer on the polycrystalline silicon film pattern, a plurality of first contact holes through the gate insulating layer pattern and the interlayer insulating layer to expose a portion of the first conductive film pattern, a plurality of second contact holes through the interlayer insulating layer to expose a portion of the polycrystalline silicon film pattern, and a second conductive film pattern including a source electrode, a drain electrode, and a pixel electrode on the interlayer insulating layer.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: October 22, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Chul Shin, Jong-Moo Huh, Bong-Ju Kim, Yun-Gyu Lee
  • Patent number: 8530268
    Abstract: An organic light-emitting display device includes a pixel electrode and a pixel defining layer which are formed by using one mask process. A method for manufacturing the display includes thermally reflowing a remaining portion of a photo-sensitive organic film that is used as a mask to form the pixel electrode to be the pixel defining layer.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: September 10, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Bong-Ju Kim
  • Publication number: 20130180996
    Abstract: An insulation structure for a storage tank and a method of constructing the insulation structure. Angle plates to which expansion joints and wires are assembled are vertically disposed around the storage tank, tensions of the wires, which are horizontally disposed around the storage tank, are adjusted, and then insulation panels having insulating materials attached thereto are disposed to thermally insulate the storage tank in order to protect a kind of oil that is contained in the storage tank.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 18, 2013
    Applicant: SK INNOVATION CO., LTD.
    Inventors: Jae Gun Lee, Hyun Jin Yoon, Bong Ju Kim, Woo Jung Park, Myung Kuk Joo
  • Publication number: 20120322482
    Abstract: An apparatus and method for a base station to control a state of a mobile station based on a traffic condition of the mobile station are provided. The terminal operation control method includes controlling a terminal having ongoing traffic while the terminal is in an awake state, determining whether a pseudo awake timer of the terminal expires, wherein the pseudo awake timer counts a time for which the terminal in the awake state has no traffic, withdrawing, when the pseudo awake timer expires, a resource allocated to the terminal, and transitioning the state of the terminal to a pseudo awake state.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 20, 2012
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Seong Min KIM, Ki Back KIM, Yoon Jeong HA, Bong Ju KIM
  • Publication number: 20120175617
    Abstract: In an organic light-emitting display device and a method of manufacturing the same, the organic light-emitting display device comprises: a substrate including a transistor region; a buffer layer and a semiconductor layer sequentially formed on the substrate; a gate electrode formed on the semiconductor layer; an interlayer insulating film formed on the gate electrode; source and drain electrodes, each formed on the interlayer insulating film and having a portion penetrating the interlayer insulating film so as to contact the semiconductor layer; a mask pattern formed on each of the source and drain electrodes; and a pixel defined layer formed on the mask pattern.
    Type: Application
    Filed: November 17, 2011
    Publication date: July 12, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventor: Bong-Ju KIM
  • Publication number: 20120143428
    Abstract: A charging device of a robot cleaner is provided. The charging device of a robot cleaner according to the embodiment includes at least one cover forming an appearance of the charging device, a base which is coupled with the cover and includes a terminal unit for charging the robot cleaner, an induction signal generating unit disposed at a side of the cover or the base to transmit a return induction signal to the robot cleaner, and an induction signal guide member disposed at a side of the induction signal generating unit to enhance a docking performance of the robot cleaner by improving linearity of the induction signal. The charging device according to the embodiment can guide the path for the return of the robot cleaner and recharge the robot cleaner stably.
    Type: Application
    Filed: June 30, 2009
    Publication date: June 7, 2012
    Inventors: Bong-Ju Kim, In-Bo Shim, Ji-Hoon Sung, Byung-Doo Yim, Sung-Guen Kim
  • Publication number: 20120090126
    Abstract: Provided is a robot cleaner. In an embodiment, the robot cleaner for avoiding obstacles and sucking foreign materials using a plurality of sensors and a suction motor is characterized in that a drive suppression unit for detecting obstacles having a corresponding height is integrated with a base for forming a lower portion of a main body in order to not climb obstacles of a constant height during a driving period of the robot cleaner. The present disclosure according to the embodiment improves drive stability of the robot cleaner by sensing a threshold in erroneous state of the sensor for sensing the threshold.
    Type: Application
    Filed: June 30, 2009
    Publication date: April 19, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Sung-Guen Kim, In-Bo Shim, Byung-Doo Yim, Ji-Hoon Sung, Bong-Ju Kim
  • Publication number: 20120095597
    Abstract: Provided is a robot cleaner, and more particularly to a robot cleaner which detest whether a foreign material storage unit is separated. The robot cleaner includes a main body including a suction motor, a foreign material storage unit separably disposed within the main body, the foreign material storage unit storing foreign materials contained in sucked air, a foreign material cover for selectively shielding one side of the foreign material storage unit, and a detection unit for detecting whether the foreign material cover is opened.
    Type: Application
    Filed: July 6, 2009
    Publication date: April 19, 2012
    Inventors: Bong-Ju Kim, In-Bo Shim, Ji-Hoon Sung, Byung-Doo Yim, Sung-Guen Kim
  • Publication number: 20120090133
    Abstract: According to an embodiment of the present disclosure, an installation structure for an agitator installed in a dust suction unit of a robot cleaner to scatter foreign substances distributed in a working area comprises: a holder which is connected to a driving motor for providing a torque to the agitator and has a part exposed to the inside of the dust suction unit; and a fixing shaft for forming a rotation shaft of the agitator and having a shape of a polygonal pillar or a shape of a pillar including at least one projection, wherein a shaft insertion part is formed in the holder, has a dented shape corresponding to the shape of the fixing shaft, and can be engaged and rotated with the fixing shaft while the fixing shaft is inserted into and installed at the holder. According to an embodiment of the present disclosure, the easy separation and installation of the agitator and the enablement of simultaneous rotation of the agitator and a side brush can improve user satisfaction.
    Type: Application
    Filed: June 30, 2009
    Publication date: April 19, 2012
    Inventors: Sung-Guen Kim, In-Bo Shim, Byung-Doo Yim, Ji-Hoon Sung, Bong-Ju Kim