Patents by Inventor Ku HYUN
Ku HYUN 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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Patent number: 8319513Abstract: An inspecting apparatus for a solar cell and an inspecting method are provided. The inspecting apparatus for the solar cell includes a head unit having a plurality of probe units, a rotation unit rotating the head unit according to an interval of cells of the solar cell, a controller controlling a rotation angle of the head unit by controlling the rotation unit, and a wire unit connected to the head unit to be electrically connected to the probe units.Type: GrantFiled: July 17, 2009Date of Patent: November 27, 2012Assignees: Samsung Electronics Co., Ltd., Samsung SDI Co., Ltd.Inventors: Myung-Hun Shin, Min-Seok Oh, Ku-Hyun Kang, Yuk-Hyun Nam, Seung-Jae Jung, Min Park
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Patent number: 8294021Abstract: A photovoltaic device and a manufacturing method thereof are provided. The photovoltaic device includes: a substrate; a first conductive layer formed on the substrate; P layers and N layers alternately formed along a first direction on the first conductive layer; and I layers covering the P layers and the N layers on the first conductive layer, wherein the P layers and the N layers are separated from each other by a first interval, the I layers are formed between the P layers and the N layers that are separated by the first interval, and the P layers, the I layers, and the N layers formed along the first direction form unit cells.Type: GrantFiled: June 17, 2009Date of Patent: October 23, 2012Assignees: Samsung Electronics Co., Ltd., Samsung SDI Co., Ltd.Inventors: Min Park, Min-Seok Oh, Jung-Tae Kim, Czang-Ho Lee, Myung-Hun Shin, Byoung-Kyu Lee, Ku-Hyun Kang, Yuk-Hyun Nam, Seung-Jae Jung, Mi-Hwa Lim, Joon-Young Seo
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Publication number: 20120162766Abstract: A polarizer is provided comprising: a transparent substrate, on a main surface of which a plurality of grooves in parallel with each other are provided at an interval; a birefringence crystal layer with a single orientation formed on the main surface of the transparent substrate where the grooves are provided, wherein the birefringence crystal layer is at least filled in the grooves so that linearly polarized light incident on a location corresponding to the grooves and passing through the polarizer is converted into first polarized light, and linearly polarized light incident on a location between the grooves and passing through the polarizer is converted into second polarized light, the polarization directions of the first and the second polarized light are different from each other.Type: ApplicationFiled: December 23, 2011Publication date: June 28, 2012Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yun Bok LEE, Ku Hyun PARK
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Publication number: 20120135545Abstract: A method for manufacturing a solar cell module includes forming a first electrode on a first surface of a substrate; forming a semiconductor layer on the first electrode; forming a second electrode on the semiconductor layer; inverting the substrate with the first electrode, semiconductor layer and second electrode formed thereon, and then, positioning the inverted substrate on a plurality of supports; patterning the second electrode and the semiconductor layer while the inverted substrate is on the supports by irradiating a laser on a second surface of the substrate to form a plurality of solar cells, wherein the second surface of the substrate is opposite the first surface of the substrate; identifying defective solar cells by using the supports; and repairing the defective solar cells by using the supports.Type: ApplicationFiled: November 8, 2011Publication date: May 31, 2012Applicants: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventor: Ku-Hyun Kang
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Patent number: 8189146Abstract: A transflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, and a pixel electrode. The first substrate has a thin film transistor and the second substrate has a color filter and faces the first substrate. The liquid crystal layer is disposed between the first and the second substrates. The pixel electrode is disposed above the first substrate and electrically connected to the thin film transistor. The transflective liquid crystal display device further includes a pixel region. The pixel region is divided into a transmit part and a reflective part, and the reflective part includes a first region and a second region. The pixel electrode extends to the transmit part and only the second region of the reflective part.Type: GrantFiled: March 9, 2011Date of Patent: May 29, 2012Assignee: LG Display Co., Ltd.Inventors: Ku Hyun Park, Jong Hwae Lee, Hyun Ho Kim
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Publication number: 20120122262Abstract: A thin film solar cell module includes a front substrate; a plurality of thin film solar cells disposed on the front substrate; a rear substrate disposed on the thin film solar cells; a plurality of inter-connection terminals electrically connected to the thin film solar cells, respectively, and exposed to an exterior surface of at least one of the front and rear substrates; and a connector electrically connecting the inter-connection terminals in a series or parallel configuration.Type: ApplicationFiled: January 18, 2012Publication date: May 17, 2012Inventors: Yeon-Il Kang, Jin-Seock Kim, Czang-Ho Lee, Hee-Chan Lee, Ku-Hyun Kang
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Patent number: 8179507Abstract: A liquid crystal display device includes: a first substrate including a transmission part and a reflection part; a common electrode disposed on the transmission part and the reflection part; a plurality of first pixel electrodes disposed on the transmission part and having a first electrode direction; a plurality of second pixel electrodes disposed on the reflection part and having a second electrode direction, the first electrode direction and the second electrode direction creating an acute angle; a second substrate facing the first substrate; and a liquid crystal layer interposed between the first and second substrates.Type: GrantFiled: December 15, 2008Date of Patent: May 15, 2012Assignee: LG Display Co., Ltd.Inventors: Ku Hyun Park, Hyun Ho Kim
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Patent number: 8139187Abstract: A transflective type LCD device including a unit pixel region divided into reflective and transmitting parts includes first and second substrates facing each other, a pixel electrode in the pixel region of first substrate, a reflective sheet in the reflective part of first substrate, a common electrode on the second substrate, at least one first open pattern for forming multi-domains, and the first open pattern in at least one of the pixel and common electrodes, and a plurality of second open patterns for inducing a fringe field, and the second open patterns in the reflective part of at least one of the pixel and common electrodes.Type: GrantFiled: July 19, 2010Date of Patent: March 20, 2012Assignee: LG Display Co., Ltd.Inventors: Hyeon Ho Son, Ku Hyun Park
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Patent number: 8120734Abstract: A liquid crystal display device having first and second substrates that face each other, a liquid crystal layer interposed between the first and second substrates, a thin film transistor (TFT) formed on the first substrate, and a pixel electrode electrically connected with the TFT and including a reflective portion having a reflective electrode and a transmissive portion having a transmissive electrode. Furthermore, the reflective electrode includes a conductive polymer material.Type: GrantFiled: December 7, 2007Date of Patent: February 21, 2012Assignee: LG Display Co., Ltd.Inventors: Sang-Wook Lee, Ku-Hyun Park
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Publication number: 20120000506Abstract: A photovoltaic module includes a plurality of solar cells, and a plurality of solar cell separation regions separating adjacent solar cells. Each of the solar cells includes a first electrode layer on a transparent substrate and electrically separated from the first electrode layer of an adjacent solar cell, a second electrode layer over the first electrode layer and electrically separated from the second electrode layer of the adjacent solar cell, first and second electrical and optical photovoltaic layers between the first and second electrode layers, and a conductive interlayer between the first and second photovoltaic layers. At least one of the solar cell separation regions includes a first separation groove which extends through the first electrode layer; and a second separation groove which extends through the first photovoltaic layer which fills the first separation groove, and the interlayer.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Applicants: SAMSUNG SDI CO., LTD.,, SAMSUNG ELECTRONICS CO., LTD.,Inventors: Yuk-Hyun NAM, Dong-Jin KIM, Jung-Eun LEE, Ku-Hyun KANG
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Publication number: 20110284056Abstract: A solar cell having a reduced leakage current and a method for fabricating the same are provided. The solar cell includes a plurality of solar cells, and a plurality of cell division parts dividing each of the plurality of solar cells. Each of the plurality of solar cells includes a transparent electrode layer formed on a substrate, a first photoelectric conversion layer formed on the transparent electrode layer, an interlayer formed on the first photoelectric conversion layer, first and second division parts in which the interlayer is substantially absent, and a second photoelectric conversion layer formed on the interlayer. The cell division parts are formed within their respective second division parts.Type: ApplicationFiled: April 15, 2011Publication date: November 24, 2011Inventors: Jung-Eun LEE, Ku-Hyun Kang
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Patent number: 8054282Abstract: A liquid crystal display device includes a temperature-sensing unit measuring at least one of a temperature of the liquid crystal display device and an ambient temperature of the liquid crystal display device, and outputting a frequency modulation signal corresponding to the measured temperature, a timing controller modulating a frequency of a clock signal based on the frequency modulation signal to generate a modulated clock signal, and treating a video data based on the modulated clock signal to generate a treated video data, and a display panel displaying an image based on the modulated clock signal and the treated video data, the display panel including a gate line, a data line crossing the gate line and a switching element connected to the gate line and the data line.Type: GrantFiled: April 18, 2005Date of Patent: November 8, 2011Assignee: LG Display Co., Ltd.Inventors: Su-Hyun Park, Ku-Hyun Park, Young-Nam Lim, Sang-Ho Choi, Jong-Hoon Woo
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Publication number: 20110187972Abstract: A transflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, and a pixel electrode. The first substrate has a thin film transistor and the second substrate has a color filter and faces the first substrate. The liquid crystal layer is disposed between the first and the second substrates. The pixel electrode is disposed above the first substrate and electrically connected to the thin film transistor. The transflective liquid crystal display device further includes a pixel region. The pixel region is divided into a transmit part and a reflective part, and the reflective part includes a first region and a second region. The pixel electrode extends to the transmit part and only the second region of the reflective part.Type: ApplicationFiled: March 9, 2011Publication date: August 4, 2011Inventors: Ku Hyun Park, Jong Hwae Lee, Hyun Ho Kim
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Patent number: 7920234Abstract: A transflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, and a pixel electrode. The first substrate has a thin film transistor and the second substrate has a color filter and faces the first substrate. The liquid crystal layer is disposed between the first and the second substrates. The pixel electrode is disposed above the first substrate and electrically connected to the thin film transistor. The transflective liquid crystal display device further includes a pixel region. The pixel region is divided into a transmit part and a reflective part, and the reflective part includes a first region and a second region. The pixel electrode extends to the transmit part and only the second region of the reflective part.Type: GrantFiled: June 27, 2007Date of Patent: April 5, 2011Assignee: LG Display Co., Ltd.Inventors: Ku Hyun Park, Jong Hwae Lee, Hyun Ho Kim
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Patent number: 7903189Abstract: A display substrate includes a signal line, a protecting layer and a repairing line. The protecting layer covers the signal line to protect the signal line and has a repairing groove formed therein. The repairing line is formed in the repairing groove and is electrically connected to the signal line to repair an electrical connection failure of the signal line. The repairing groove connects a first area and a second area of the signal line that are spaced apart from each other by a predetermined distance in a lengthwise direction of the signal line. The electrical connection failure occurs between the first and second areas. The repairing line is prevented from being damaged, and a display quality is improved.Type: GrantFiled: January 2, 2007Date of Patent: March 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Ku-Hyun Kang, Dae-Keun Shin, Dae-Hyuk Song
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Publication number: 20110011453Abstract: A solar cell module includes a substrate, a first electrode disposed on the substrate and including a first groove extending in a first direction in a plan view of the substrate, a semiconductor layer disposed on the first electrode and including a second groove extending in the first direction and a third groove extending in the first direction, a second electrode disposed on the semiconductor layer and including the third groove, and a fourth groove disposed extending through the semiconductor layer and the second electrode and disposed between the second groove and the third groove in the plan view of the substrate.Type: ApplicationFiled: January 8, 2010Publication date: January 20, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Ku-Hyun KANG
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Patent number: 7859626Abstract: A liquid crystal display includes: first and second substrates with a transmissive region and a reflective region defined thereon; a reflection layer formed at the reflective region of the first substrate; a liquid crystal layer formed between the first and second substrates; a common electrode formed on the second substrate; an alignment layer formed on the second substrate and rubbed in one direction; a pixel electrode formed on the first substrate to form an electric field together with the common electrode to drive the liquid crystal layer, and having at least one electric field controller to control the direction of the electric field; and a vertical alignment layer formed on the first substrate.Type: GrantFiled: October 9, 2008Date of Patent: December 28, 2010Assignee: LG Display Co., Ltd.Inventors: Ku-Hyun Park, Jong-Hwae Lee
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Publication number: 20100321620Abstract: A transflective type LCD device including a unit pixel region divided into reflective and transmitting parts includes first and second substrates facing each other, a pixel electrode in the pixel region of first substrate, a reflective sheet in the reflective part of first substrate, a common electrode on the second substrate, at least one first open pattern for forming multi-domains, and the first open pattern in at least one of the pixel and common electrodes, and a plurality of second open patterns for inducing a fringe field, and the second open patterns in the reflective part of at least one of the pixel and common electrodes.Type: ApplicationFiled: July 19, 2010Publication date: December 23, 2010Inventors: Hyeon Ho SON, Ku Hyun Park
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Patent number: 7812904Abstract: A trans-reflective type In-Plane Switching (IPS)-LCD device capable of implementing a single gap and a wide viewing angle, and minimizing an occurrence area of disclination at an interface between a transmission region and a reflection region, and a method for designing the same. First and second alignment layers have characteristics to allow LC in a transmission region can be aligned in the same direction as a transmission axis of a lower polarizer. A third alignment layer is aligned so that the LC in the reflection region can be twisted from a lower side to an upper side with a predetermined twisted angle (?). Here, the twisted angle (?) of the LC in the reflection region, and an angle (?) between an alignment direction of an uppermost LC in the reflection region and the transmission axis of the upper polarizer are set so that optical reflectivity in the reflection region is ‘0’ when the LC is not driven.Type: GrantFiled: October 9, 2008Date of Patent: October 12, 2010Assignee: LG Display Co., Ltd.Inventors: Ku-Hyun Park, Ki-Bok Park, Jong-Hwae Lee
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Patent number: 7808604Abstract: An in-plane switching mode liquid crystal display device includes upper and lower substrates, first and second ferroelectric liquid crystal layers, a nematic system crystal layer, and first and second electrodes. The electrodes and liquid crystal layers are located between the substrates, with the nematic liquid crystal layer between the ferroelectric liquid crystal layers. The ferroelectric liquid crystal layers have different spontaneous polarization directions. An electric field is applied to the liquid crystal layers using the electrodes. The ferroelectric liquid crystal layers react to different electric field to conduct an in-plane driving of liquid crystal molecules in the nematic liquid crystal layer.Type: GrantFiled: October 17, 2008Date of Patent: October 5, 2010Assignee: LG. Display Co., Ltd.Inventors: Su Seok Choi, Ku Hyun Park