Patents by Inventor Hyun-Ho Lee
Hyun-Ho 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).
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Publication number: 20130258971Abstract: A method and an apparatus for transmitting and receiving a signal using interference alignment in a multi-cellular network are provided. The method includes determining a total number Sj of effective Inter-Cell Interference (ICI) channels of a j-th cell, determining a number tj,i of effective ICI channels caused by each of other Base Stations (BSs) and a number nj,i(s) of ICI channels aligned to each effective ICI channel, acquiring information about a channel matrix between users of the j-th cell and each BS, determining effective ICI channels reaching from the other BSs to users of the j-th cell and a receive beamforming matrix by reference to tj,i, nj,i(s) and information about the channel matrix, transmitting feedback information indicating the channel matrix and the receive beamforming matrix to the BS of the j-th cell, and receiving a signal from the BS of the j-th cell using the determined receive beamforming matrix.Type: ApplicationFiled: March 29, 2013Publication date: October 3, 2013Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, Samsung Electronics Co., Ltd.Inventors: Hyun-Ho LEE, Young-Chai KO
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Publication number: 20130022143Abstract: The present invention relates to a symbol-wise beamforming apparatus and method in an OFDM communication system using multiple antennas. A weight vector calculator calculates a transmit weight vector using a signal received through the multiple antennas as an input on the basis of channel information in the time domain and covariance matrix information about interference and noise and computes a receive weight vector using the calculated transmit weight vector. At least one of the calculated transmit weight vector and receive weight vector is transmitted to a transmission apparatus through a transmitter.Type: ApplicationFiled: May 11, 2012Publication date: January 24, 2013Applicant: KOREA UNIVERSITY RESEARCH & BUSINESS FOUNDATIONInventors: Young Chai KO, Hyun Ho LEE
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Patent number: 8338221Abstract: A method for manufacturing a thin film type solar cell is disclosed, which is capable of reducing degradation of solar cell by decreasing the number of dangling bonding sites or SiH2 bonding sites existing in amorphous silicon owing to an optimal content ratio of ingredient gases, an optimal chamber pressure, or an optimal substrate temperature during a process for depositing an I-type semiconductor layer of amorphous silicon by a plasma CVD method, the method comprising forming a front electrode layer on a substrate; sequentially depositing P-type, I-type, and N-type semiconductor layers on the front electrode layer; and forming a rear electrode layer on the N-type semiconductor layer, wherein the process for forming the I-type semiconductor layer comprises forming an amorphous silicon layer by the plasma CVD method under such circumstances that at least one of the aforementioned conditions is satisfied, for example, a content ratio of silicon-containing gas to hydrogen-containing gas is within a range betweType: GrantFiled: December 1, 2009Date of Patent: December 25, 2012Assignee: Jusung Engineering Co., Ltd.Inventors: Chang Ho Lee, Hyung Dong Kang, Hyun Ho Lee, Yong Hyun Lee, Seon Myung Kim
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Patent number: 8288386Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.Type: GrantFiled: November 10, 2009Date of Patent: October 16, 2012Assignee: LG Life Sciences Ltd.Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
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Publication number: 20120200459Abstract: Disclosed are a beam forming method and a multiple antenna system using the same. There is provided a multiple antenna system which forms optimal beam patterns through a transmission of a training sequence between a transmitter and a receiver, each including a plurality of antennas, the multiple antenna system comprising: a transmitter selecting antennas to be activated according to a level and transmitting the training sequence to a receiver through the selected antennas; a receiver selecting the antennas to be activated according to the level and transmitting to the transmitter an index of an optimal transmission weight vector significantly reducing a cost function based on the training sequence transmitted from the transmitter, wherein the transmitter selects antennas so that the beam patterns formed by the antennas selected at a q-th level (q: the index of the level) include the beam patterns formed by the antennas selected at a q+1-th level.Type: ApplicationFiled: June 21, 2011Publication date: August 9, 2012Inventors: Joun Sup PARK, Chul Gyun Park, Young Chai Ko, Hyun Ho Lee
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Patent number: 8236955Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.Type: GrantFiled: June 13, 2011Date of Patent: August 7, 2012Assignee: LG Life Sciences Ltd.Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
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Publication number: 20120162053Abstract: An organic light emitting diode (OLED) display device and a fabrication method thereof are provided. In the OLED display device, when an existing power wiring using a metal used for a data wiring is divided based on a common electrode marginal region as a boundary so as to be used as a wiring as well as as the power wiring, the reduced width of the wiring is compensated for by increasing the thickness of the wiring by using a metal for an anode or a cathode, thus reducing the left and right bezel widths.Type: ApplicationFiled: December 22, 2011Publication date: June 28, 2012Inventors: Hyun-Ho LEE, Jae-Ho SIM
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Patent number: 8183243Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.Type: GrantFiled: June 13, 2011Date of Patent: May 22, 2012Assignee: LG Life Sciences Ltd.Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
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Patent number: 8093804Abstract: An organic electroluminescent display device includes: a first substrate having an active area displaying images and a non-active area surrounding the active area; a switching thin film transistor and a driving thin film transistor connected to the switching thin film transistor in the active area on the first substrate; an organic electroluminescent diode connected to the driving thin film transistor; a dummy metal pattern at a corner portion of the non-active area on the first substrate; a second substrate facing and spaced apart from the first substrate, the second substrate including a groove; and a seal pattern attaching the first and second substrates, wherein the dummy metal pattern overlaps a residue at a corner portion of the groove.Type: GrantFiled: August 12, 2010Date of Patent: January 10, 2012Assignee: LG Display Co., Ltd.Inventors: Hyun-Ho Lee, Young-Hoon Sohn
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Patent number: 8057774Abstract: Disclosed is a method for preparing a porous carbon structure, the method comprising the steps of: (a) mixing a carbon precursor, a pyrolytic template, which is pyrolyzed at the carbonization temperature of the carbon precursor or removed by post-treatment after the carbonization of the carbon precursor so as to form pores, and a solvent, to prepare a spray solution; and (b) subjecting the spray solution either to spray pyrolysis or to spray drying and then spray pyrolysis, so as to form a carbonized carbon structure, and then removing the template from the carbon structure. A mesoporous spherical carbon prepared according to the disclosed method may have a large specific surface area and a large pore volume through the control of the kind and concentration of template, and thus can be used in a wide range of applications, including catalysts, adsorbents, electrode materials, materials for separation and purification, and materials for storing hydrogen and drugs.Type: GrantFiled: December 10, 2007Date of Patent: November 15, 2011Assignee: LG Chem, Ltd.Inventors: Sang Ho Kim, Won Jong Kwon, Hyun-Ho Lee, Sunmi Jin, Jaehong Kim, Kwonnam Sohn, Ji Won Suk, Byung-Hee Choi
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Patent number: 8053804Abstract: Disclosed herein is a backlight unit equipped with LEDs. The backlight includes an insulating substrate, a plurality of LED packages, an upper heat dissipation plate, and a lower heat dissipation plate. The insulating substrate is provided with predetermined circuit patterns. The LED packages are mounted above the insulating substrate, and are electrically connected to the circuit patterns. The upper heat dissipation plate is formed on the insulating substrate, and is configured to come into contact with the circuit patterns and to dissipate heat. The lower heat dissipation plate is formed on the insulating substrate, and is configured to transmit heat transmitted through the upper heat dissipation plate. The upper heat dissipation plate and the lower heat dissipation plate are connected to each other by at least one through hole, and the through hole and the upper heat dissipation plate have a predetermined area ratio.Type: GrantFiled: January 26, 2010Date of Patent: November 8, 2011Assignee: Samsung LED Co., Ltd.Inventors: Gi Ho Jeong, Jae Wook Kwon, Dong Jin Kim, Yoon Tak Yang, Hyeong Won Yun, Hyun Ho Lee, Jeong Hoon Park
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Publication number: 20110245500Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.Type: ApplicationFiled: June 13, 2011Publication date: October 6, 2011Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
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Publication number: 20110237795Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.Type: ApplicationFiled: June 13, 2011Publication date: September 29, 2011Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
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Patent number: 8023879Abstract: An image forming apparatus includes a roller shaft, a paper-transporting which is coupled to the roller shaft and transports a document, a driving part to supply a rotational driving force to the paper-transporting roller, a driving wheel which is coupled to the roller shaft and rotates along with the roller shaft, and a clutch unit which includes a clutch shaft having an axial line deviated from an axial line of the roller shaft, a transmission wheel connected with the clutch shaft and which transmits the driving force to the driving wheel, and a rotation connecting part to selectively transmit the rotational driving force to the transmission wheel.Type: GrantFiled: July 16, 2007Date of Patent: September 20, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Hyun-ho Lee
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Publication number: 20110224219Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.Type: ApplicationFiled: November 10, 2009Publication date: September 15, 2011Applicant: LG LIFE SCIENCES LTD.Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
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Publication number: 20110121717Abstract: An organic electroluminescent display device includes: a first substrate having an active area displaying images and a non-active area surrounding the active area; a switching thin film transistor and a driving thin film transistor connected to the switching thin film transistor in the active area on the first substrate; an organic electroluminescent diode connected to the driving thin film transistor; a dummy metal pattern at a corner portion of the non-active area on the first substrate; a second substrate facing and spaced apart from the first substrate, the second substrate including a groove; and a seal pattern attaching the first and second substrates, wherein the dummy metal pattern overlaps a residue at a corner portion of the groove.Type: ApplicationFiled: August 12, 2010Publication date: May 26, 2011Inventors: Hyun-Ho LEE, Young-Hoon Sohn
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Patent number: 7925318Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.Type: GrantFiled: January 27, 2010Date of Patent: April 12, 2011Assignee: LG Electronics Inc.Inventors: Sang-Hyuk Im, Hyun-Ho Lee, Chang-Il Lee, Kwon-Jin Kang, Red-Heat Oh, Ji-Sung Park
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Patent number: 7834952Abstract: Light beams are outputted from optical devices and mixed together to obtain uniform white light free from color stains, thereby achieving a backlight unit improved in light mixing feature. In the backlight unit, a surface light source has a reflecting surface with a plurality of optical devices mounted thereon. An optical sheet is disposed in front of the surface light source. A reflecting layer is disposed between the surface light source and the optical sheet and has reflectivity varied by an incident angle of light beams from the optical devices. The backlight unit enables the light beams from the optical devices to be mixed together. The light beams outputted from the optical devices are effectively mixed together by a reflecting layer having reflectively varied by an incident angle of the light beams from the optical devices, thereby achieving uniform white light without color stains.Type: GrantFiled: January 10, 2007Date of Patent: November 16, 2010Assignee: Samsung LED Co., Ltd.Inventors: Hyun Ho Lee, Hyeong Won Yun
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Patent number: 7795635Abstract: Disclosed herein is a backlight unit equipped with LEDs. The backlight includes an insulating substrate, a plurality of LED packages, an upper heat dissipation plate, and a lower heat dissipation plate. The insulating substrate is provided with predetermined circuit patterns. The LED packages are mounted above the insulating substrate, and are electrically connected to the circuit patterns. The upper heat dissipation plate is formed on the insulating substrate, and is configured to come into contact with the circuit patterns and to dissipate heat. The lower heat dissipation plate is formed on the insulating substrate, and is configured to transmit heat transmitted through the upper heat dissipation plate. The upper heat dissipation plate and the lower heat dissipation plate are connected to each other by at least one through hole, and the through hole and the upper heat dissipation plate have a predetermined area ratio.Type: GrantFiled: March 6, 2007Date of Patent: September 14, 2010Assignee: Samsung LED Co., Ltd.Inventors: Gi Ho Jeong, Jae Wook Kwon, Dong Jin Kim, Yoon Tak Yang, Hyeong Won Yun, Hyun Ho Lee, Jeong Hoon Park
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Publication number: 20100136736Abstract: A method for manufacturing a thin film type solar cell is disclosed, which is capable of reducing degradation of solar cell by decreasing the number of dangling bonding sites or SiH2 bonding sites existing in amorphous silicon owing to an optimal content ratio of ingredient gases, an optimal chamber pressure, or an optimal substrate temperature during a process for depositing an I-type semiconductor layer of amorphous silicon by a plasma CVD method, the method comprising forming a front electrode layer on a substrate; sequentially depositing P-type, I-type, and N-type semiconductor layers on the front electrode layer; and forming a rear electrode layer on the N-type semiconductor layer, wherein the process for forming the I-type semiconductor layer comprises forming an amorphous silicon layer by the plasma CVD method under such circumstances that at least one of the aforementioned conditions is satisfied, for example, a content ratio of silicon-containing gas to hydrogen-containing gas is within a range betweType: ApplicationFiled: December 1, 2009Publication date: June 3, 2010Applicant: JUSUNG ENGINEERING CO., LTD.Inventors: Chang Ho LEE, Hyung Dong KANG, Hyun Ho LEE, Yong Hyun LEE, Seon Myung KIM