Patents by Inventor Yong Ju

Yong Ju 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).

  • ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PREPARATION THEREOF
    Publication number: 20140363741
    Abstract: The present invention relates to an electrode active material for a lithium secondary battery and the preparation thereof. The electrode active material for a lithium secondary battery according to the present invention comprises a core including (a) first particulates consisting of an oxide of a metal (metalloid) capable of alloying with lithium, and (b) second particulates consisting of an oxide containing the same metal (metalloid) together with lithium; and a conductive carbon layer coated on the surface of the core. The electrode active material of the present invention has high capacity and improved electric conductivity, thereby providing good charge and discharge rate capability.
    Type: Application
    Filed: August 25, 2014
    Publication date: December 11, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Ju Lee, Je-Young Kim, Seung-Youn Choi, Dong-Sub Jung
  • Image forming apparatus and a waste toner recovery device thereof
    Patent number: 8903299
    Abstract: An image forming apparatus capable of reducing a space required to install a transfer unit to achieve a compact body size. The image forming apparatus can include a body, a frame installed in the body, a transfer unit installed inside the frame, and a waste toner recovery device to recover waste toner collected from the transfer unit. The waste toner recovery device can include a first delivery unit to deliver the waste toner in a first direction, and a second delivery unit to deliver the waste toner, delivered from the first delivery unit, in a second direction. The second delivery unit can be movably installed to the frame and can be coupled to or detached from the first delivery unit via movement thereof.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: December 2, 2014
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Jun Ho Lee, Myoung Sub Jang, Jeong Yong Ju, Byeong Hwa Ahn
  • Image forming apparatus
    Patent number: 8903274
    Abstract: An image forming apparatus including a side cover rotatably installed to open and close an opening provided at a body thereof while rotating, a first transfer unit to which a visible image of photoconductors of developing units is transferred, and a second transfer unit movably installed at the side cover to transfer the visible image to a printing medium, wherein the second transfer unit is provided at both sides thereof with a plurality of guide protrusions to perform a position restriction, and the body is provided at both sidewalls of inside thereof with a plurality of guide members to support the plurality of guide protrusions such that the second transfer unit is supported against both sidewalls of the inside of the body through the guide protrusion and the guide member, thereby reducing a reaction force applied to the side cover.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: December 2, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Yong Ju, Byeong Hwa Ahn, Jun Ho Lee
  • METHOD OF MANUFACTURING GRAPHENE HYBRID MATERIAL AND GRAPHENE HYBRID MATERIAL MANUFACTURED BY THE METHOD
    Publication number: 20140346408
    Abstract: This invention relates to a method of manufacturing a graphene or graphene oxide/nanoparticle hybrid material and a graphene/nanoparticle hybrid material manufactured thereby, wherein the hybrid material can be easily, rapidly and eco-friendly synthesized while minimizing the use of chemicals and thermal treatment because of electrostatic self-assembly properties of a biomaterial. This method includes preparing nanoparticles, a biomaterial solution and a graphene oxide solution, mixing the nanoparticles with the biomaterial solution to form biomaterial-coated nanoparticles, mixing the biomaterial-coated nanoparticles with the graphene oxide solution to obtain a graphene oxide/nanoparticle hybrid material, and reducing the graphene oxide/nanoparticle hybrid material to obtain a graphene/nanoparticle hybrid material.
    Type: Application
    Filed: January 24, 2014
    Publication date: November 27, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong-Ju YUN, Ki-Bong SONG
  • Multi-display device
    Patent number: 8879243
    Abstract: A multi-display device includes a plurality of display devices. A display device of the plurality of display devices includes: a display panel including a front side, a rear side, first and second sides which face each other, and third and fourth sides which face each other; a first chassis which is fixed to the first side; a second chassis which is fixed to the second side; a third chassis which is fixed to the third side; a fourth chassis which is fixed to the fourth side; and a fixing member between one or more of the first to fourth chassis, and the display panel. The fixing member fixes the one or more of the first to fourth chassis, to the display panel. The fixing member is provided at a boundary between adjacent display devices of the plurality of display devices.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: November 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyeok Lee, Soo-Ran Park, Sang Chul Lee, Yong-Ju Jeong, Min Sung Choi
  • ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20140322601
    Abstract: The anode active material of the present invention comprises silicon-based particles obtained from at least one of silicon, a silicon oxide and a silicon alloy, and the silicon-based particles have a faceted shape, thereby providing high capacity and good life characteristics without causing any deterioration which has been generated in the use of conventional silicon-based particles, and eventually providing a lithium secondary battery having such characteristics.
    Type: Application
    Filed: July 9, 2014
    Publication date: October 30, 2014
    Inventors: Yong-Ju Lee, Yoon-Ah Kang, Je-Young Kim, Seung-Youn Choi, Mi-Rim Lee, Hye-Ran Jung, Jung-Woo Yoo
  • ANODE ACTIVE MATERIAL HAVING HIGH CAPACITY FOR LITHIUM SECONDARY BATTERY, PREPARATION THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20140322611
    Abstract: The anode active material of the present invention comprises an amorphous SiOx C composite with a core-shell structure consisting of a core comprising particles of a silicon oxide (SiOx) free of Si crystals and a shell which is a coating layer formed on at least a part of the surface of the core and comprising a carbon material, thereby providing high capacity and effectively inhibiting volume expansion which has been caused in the use of Si, to improve life characteristics, and eventually providing a lithium secondary battery having such characteristics.
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Yong-Ju Lee, Je-Young Kim, Tae-Hoon Kim, Cheol-Hee Park, Yoon-Ah Kang, Mi-Rim Lee, Hye-Ran Jung, Han-Nah Jeong
  • ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY COMPRISING THE SAME, AND METHOD OF MANUFACTURING ANODE ACTIVE MATERIAL
    Publication number: 20140322606
    Abstract: The present disclosure relates to an anode active material comprising a composite of a core-shell structure, a lithium secondary battery comprising the same, and a method of manufacturing the anode active material. According to an aspect of the present disclosure, there is provided an anode active material of a core-shell structure comprising a core including alloyed (quasi)metal oxide-Li (MOx—Liy) and a shell including a carbon material coated on a surface of the core. According to another aspect of the present disclosure, there is provided a method of manufacturing the anode active material of the core-shell structure. According to an aspect of the present disclosure, an anode active material with high capacity, excellent cycle characteristics and volume expansion control capacity, and high initial efficiency is provided.
    Type: Application
    Filed: July 15, 2014
    Publication date: October 30, 2014
    Inventors: Yong-Ju Lee, Yoon-Ah Kang, Mi-Rim Lee, Je-Young Kim, Hye-Ran Jung
  • Counting circuit, delay value quantization circuit, and latency control circuit
    Patent number: 8867698
    Abstract: A counting circuit includes: a clock division unit configured to divide a reference clock signal at a preset division ratio and generate a divided clock signal, a counting unit configured to count the divided clock signal, and a counting control unit configured to enable the counting unit during an enable period corresponding to the division ratio.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: October 21, 2014
    Assignee: SK Hynix Inc.
    Inventors: Dae-Han Kwon, Yong-Ju Kim, Jae-Il Kim, Taek-Sang Song
  • Counting circuit of semiconductor device and duty correction circuit of semiconductor device using the same
    Patent number: 8866526
    Abstract: A counting circuit of a semiconductor device includes a plurality of counting units configured to count respective bits of counting codes in response to a plurality of counting clocks, respectively, and to control in a counting direction in response to a counting control signal; a clock toggling control unit configured to control the number of counting clocks that toggle among the plurality of counting clocks in response to clock control signals; and a counting operation control unit configured to compare a value of target codes and a value of the counting codes, and to determine a value of the counting control signal according to a comparison result.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: October 21, 2014
    Assignee: SK Hynix Inc.
    Inventors: Hae-Rang Choi, Yong-Ju Kim
  • APPARATUS FOR ENCODING AND APPARATUS FOR DECODING SUPPORTING SCALABLE MULTICHANNEL AUDIO SIGNAL, AND METHOD FOR APPARATUSES PERFORMING SAME
    Publication number: 20140310010
    Abstract: An encoding apparatus and a decoding apparatus supporting a scalable multichannel audio signal, and methods performed by the apparatuses art provided. When compressing and decompressing a multichannel audio signal to compress and reproduce high quality 3-dimensional (3D) audio, the apparatuses and the methods in integrated form of (1) a sound quality scalability function for providing various qualities of audio adaptively to a transmission environment, terminal performance, and a listening environment (2) a channel scalability function for providing multichannel signals of various formats adaptively to the transmission environment, the terminal performance, and a reproduction environment of a terminal, such as speaker arrangement, and (3) an object scalability function for independently controlling a particular audio object to maximize a 3D sound field effect.
    Type: Application
    Filed: November 13, 2012
    Publication date: October 16, 2014
    Inventors: Jeong ll Seo, Seung Kwon Beack, Kyeong Ok Kang, Tae Jin Lee, Yong Ju Lee, Jae Hyoun Yoo, Keun Woo Choi, Jin Woong Kim
  • Method of driving a display panel and a display apparatus performing the method
    Patent number: 8860770
    Abstract: A method of driving a display panel includes driving a first sub area and a second sub area of a pixel part in a two-dimensional (2D) image mode, wherein a first luminance difference exists between the first and second sub areas in the 2D image mode, and driving the first sub area and the second sub area of the pixel part in a three-dimensional (3D) image mode, wherein a second luminance difference exists between the first and second sub areas in the 3D image mode, the second luminance difference being smaller than the first luminance difference.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Ju Jeong, Jong-Hee Na, Young-Min Choi, Jae-Kil Lee, Seung-Kuk Yun, Ji-Eun Jang
  • SLIM ENCLOSURE SPEAKER WITH SIDE ACOUSTIC EMISSION STRUCTURE
    Publication number: 20140301587
    Abstract: A slim enclosure speaker is provided with a side acoustic emission structure, which can make the enclosure speaker slimmer by maximizing a sound-emitting hole in the same size, while improving SPL characteristics. The slim enclosure speaker with the side acoustic emission structure includes: a microspeaker; a lower case enclosing the lower side of the microspeaker and defining a resonance space; an upper case having a fixing surface to which top edges of the microspeaker are fixed, defining the resonance space together with the lower case, and having a hole inside the fixing surface; a cover coupled onto the upper case and covering the hole; and an acoustic passage defined by one side of the upper case and the cover, wherein the fixing surface is insert injection-molded using a steel.
    Type: Application
    Filed: March 31, 2014
    Publication date: October 9, 2014
    Inventors: Yong Ju Ji, Sung Chul Jung
  • ENCLOSURE SPEAKER WITH SIDE ACOUSTIC EMISSION STRUCTURE
    Publication number: 20140294225
    Abstract: An enclosure speaker with a side acoustic emission structure is provided, which includes: a microspeaker; a lower enclosure case, on which the microspeaker is seated, the lower enclosure case further having a resonance space on the outside of the microspeaker-seated portion; an upper enclosure case coupled to a top of the lower enclosure case; an acoustic passage, a first portion of which being defined in the lower enclosure case and a remaining portion of which being defined in the upper enclosure case, the acoustic passage being made by combining the portion defined in the lower enclosure case and the portion defined in the upper enclosure case; and a mesh disposed on the acoustic passage between the lower enclosure case and the upper enclosure case.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: EM-TECH Co., Ltd.
    Inventors: Yong Ju Ji, Jin Geon Son, Hyun Woo Lee
  • IMAGE FORMING APPARATUS
    Publication number: 20140294453
    Abstract: An image forming apparatus is provided. The image forming apparatus, in a case in which a toner on a transfer belt is checked through a sensing unit, is capable of preventing a rotation of a guide roller, which is configured to guide the transfer belt, by use of a regulation device, so that a check error occurring due to vibration of the guide roller is reduced. Thus, the toner on the transfer belt is checked with increased accuracy and precision.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Yong JU, Byeong Hwa ANH, Jun Ho LEE
  • System and method for controlling device
    Patent number: 8847987
    Abstract: Provided is a system and method for controlling a device using Augmented Reality (AR). A system for controlling a device using Augmented Reality (AR) includes a device server, an AR server, and a portable terminal. The device server registers information about each device. The AR server generates an AR screen displaying type information and service-related information of at least one device searched in response to a request of a portable terminal by using the registered device information, and provides the generated AR screen to the portable terminal. The portable terminal connects with a device selected among devices displayed on the AR screen and performs a specific function with the connected device.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Ju Yu, Jin Park
  • METHOD AND APPARATUS FOR DESCRIBING AND RESTORING JUNGGANBO
    Publication number: 20140260899
    Abstract: Provided is a method and apparatus for describing and restoring a jungganbo, the method of describing a jungganbo including analyzing a structure of the jungganbo based on gaks, daegangs, and junggans constituting the jungganbo, and generating jungganbo structure data describing the structure of the jungganbo, based on a result of the analyzing.
    Type: Application
    Filed: January 17, 2014
    Publication date: September 18, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Keun Woo CHOI, Tae Jin PARK, Kyeong Ok KANG
  • Dissolved oxygen measurement system
    Patent number: 8834692
    Abstract: Provided is a dissolved oxygen measurement system. The dissolved oxygen measurement system includes a hydrogen storage device storing hydrogen, a first hydrogen fuel cell in which the hydrogen stored in the hydrogen storage device and water supplied from the outside in real time react with each other to generate first electricity energy, a water storage tank storing the water supplied from the outside, a second hydrogen fuel cell in which the water supplied from the water storage tank and the hydrogen stored in the hydrogen storage device react with each other to generate second electricity energy, and a control unit analyzing a difference between the first electricity energy and the second electricity energy.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: September 16, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Han Young Yu, Yark Yeon Kim, Yong Ju Yun, Won Ick Jang
  • Latency control circuit and semiconductor device including the circuit
    Patent number: 8837239
    Abstract: A latency control circuit includes a clock delay configured to output a plurality of serial delay signals obtained by serially delaying an input clock signal with the same intervals, a deviation information generating unit configured to generate a deviation information on the basis of a delay value, which the clock signal undergoes in a chip, and latency information, a clock selector configured to output a plurality of clock selection signals based on the plurality of serial delay signals and the deviation information, a command signal processing unit configured to generate a read signal based on an input command signal, and output a variable delay duplication signal by variably delaying the read signal, and a latency shifter configured to output a latency signal by combining the plurality of clock selection signals with the variable delay duplication signal.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: September 16, 2014
    Assignees: SK Hynix Inc., University of Seoul Industry Cooperation Foundation
    Inventors: Jong Gon Jung, Yong Sam Moon, Yong Ju Kim, Jong Ho Jung
  • LOCAL MULTI VIEW IMAGE DISPLAY APPARATUS AND METHOD
    Publication number: 20140247330
    Abstract: A local multi-view image display apparatus and method is provided. The local multi-view image display method may track a location of an observer, and locally display a multi-view input image on the tracked location.
    Type: Application
    Filed: May 16, 2014
    Publication date: September 4, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Aron BAIK, Yong Ju JUNG