Patents by Inventor Seung-Tae Kim
Seung-Tae 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).
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Patent number: 9449557Abstract: Disclosed is an organic light emitting display device including: plurality of data lines; a charging line formed in a direction crossing the plurality of data lines; and charging switches connected between the charging line and the data lines. The charging line inputs a charging voltage and the charging switches are individually controlled in data line.Type: GrantFiled: December 22, 2015Date of Patent: September 20, 2016Assignee: LG DISPLAY CO., LTD.Inventor: Seung Tae Kim
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Publication number: 20160232850Abstract: An organic light-emitting display device having a signal line that is shared by a first column of pixels and a second column of pixels to transmit a data signal and a sensing signal. The organic light-emitting display device includes a plurality of columns of pixels, and a plurality of signal lines extending between the plurality of columns of pixels. Each of the plurality of signal lines is configured to transmit a data signal from a data driver to the first column of pixels at first times. The data signals control the operation of an organic light-emitting element in the first column of pixels. The same signal line transmits a sensing signal from the second column of pixels to the data driver at second times. The sensing signal represents a variable property of an electrical component in a pixel of the second column of pixels.Type: ApplicationFiled: April 20, 2016Publication date: August 11, 2016Inventors: Seung Tae KIM, Bum Sik KIM
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Patent number: 9349316Abstract: An organic light-emitting display device having a signal line that is shared by a first column of pixels and a second column of pixels to transmit a data signal and a sensing signal. The organic light-emitting display device includes a plurality of columns of pixels, and a plurality of signal lines extending between the plurality of columns of pixels. Each of the plurality of signal lines is configured to transmit a data signal from a data driver to the first column of pixels at first times. The data signals control the operation of an organic light-emitting element in the first column of pixels. The same signal line transmits a sensing signal from the second column of pixels to the data driver at second times. The sensing signal represents a variable property of an electrical component in a pixel of the second column of pixels.Type: GrantFiled: December 7, 2012Date of Patent: May 24, 2016Assignee: LG Display Co., Ltd.Inventors: Seung Tae Kim, Bum Sik Kim
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Publication number: 20160111046Abstract: Disclosed is an organic light emitting display device including: plurality of data lines; a charging line formed in a direction crossing the plurality of data lines; and charging switches connected between the charging line and the data lines. The charging line inputs a charging voltage and the charging switches are individually controlled in data line.Type: ApplicationFiled: December 22, 2015Publication date: April 21, 2016Inventor: Seung Tae Kim
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Patent number: 9275583Abstract: Disclosed is an organic light emitting display device including: plurality of data lines; a charging line formed in a direction crossing the plurality of data lines; and charging switches connected between the charging line and the data lines. The charging line inputs a charging voltage and the charging switches are individually controlled in data line.Type: GrantFiled: September 27, 2012Date of Patent: March 1, 2016Assignee: LG DISPLAY CO., LTD.Inventor: Seung Tae Kim
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Patent number: 9269240Abstract: A caster indicator displays the state of casters provided on an ultrasonic diagnostic apparatus or a medical bed. The caster indicator includes a position sensing unit sensing the position of levers determining the state of casters, and a display unit displaying the state of the casters according to the position of the levers. With the caster indicator, a user easily confirms the state of the casters, even if a medical electronic apparatus, such as the ultrasonic diagnostic apparatus or the medical bed, is located at a dark place.Type: GrantFiled: January 25, 2013Date of Patent: February 23, 2016Assignee: Samsung Medison Co., Ltd.Inventors: Seung Tae Kim, Soon Deok Kim, Jung Sik Song
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Patent number: 9129554Abstract: An organic light emitting display device having a data line that is used for sending data voltage signals to pixels from a data driver as well as send sensor signals for detecting threshold voltage levels of driving transistors in the pixels at different times. By using the same data line to transmit the data voltage signals and the sensor signals, the number of signal lines in the organic light emitting display can be reduced. The data driver also includes switches for selectively coupling the data line to a driver unit or an analog to digital converter (ADC) unit.Type: GrantFiled: December 10, 2012Date of Patent: September 8, 2015Assignee: LG Display Co., Ltd.Inventors: Seung Tae Kim, Jin Hyoung Kim, Jong Sik Shim, Won Kyu Ha
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Patent number: 9035976Abstract: The present invention relates to an organic light emitting diode display device capable of sensing driving current of each pixel with a simple configuration to compensate for a luminance deviation between pixels and a pixel current sensing method thereof. The organic light emitting diode display device includes a display panel including 2N (N being a natural number) pixels that share a reference line though which a reference signal is supplied and are respectively connected to 2N data lines through which data signals are applied, and a data driver for driving the 2N pixels sharing the reference line in a time division manner through the data lines, sensing currents of the time-division-driven 2N pixels as voltages through the shared reference line and outputting the sensed currents, in a sensing mode.Type: GrantFiled: December 12, 2012Date of Patent: May 19, 2015Assignee: LG Display Co., Ltd.Inventors: Ji-Eun Lee, Bum-Sik Kim, Seung-Tae Kim, Won-Kyu Ha, Kil-Hwan Oh
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Publication number: 20150129012Abstract: A photovoltaic apparatus includes a solar cell panel including a plurality of solar cells, a junction part connected to the solar cell panel, a first wiring extending from the junction part, a second wiring extending from the junction part, a third wiring extending from the junction part, and a fourth wiring extending from the junction part. The junction part includes a first terminal part connected to the solar cells, a second terminal part connected to the solar cells, and a by-pass diode connected to the first and second terminal parts. The first and second wirings are connected to the first terminal part, and the third and fourth wirings are connected to the second terminal part.Type: ApplicationFiled: April 25, 2013Publication date: May 14, 2015Inventors: Kyung Eun Park, Seung Tae Kim, Hyun Woo Lee
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Patent number: 9007355Abstract: An OLED device is disclosed that enhances display quality by minimizing capacitance deviation between data lines of the OLED device. The capacitance deviation may be minimized by utilizing an expansion portion of a power line of the OLED device. The capacitance deviation may also by minimized by utilizing an overlap pattern that overlaps a plurality of the data lines.Type: GrantFiled: April 9, 2012Date of Patent: April 14, 2015Assignee: LG Display Co., Ltd.Inventors: Byeong Uk Gang, Seung Tae Kim, Ji Eun Lee, Hong Suk Kim
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Patent number: 8994707Abstract: Discussed are a display device and a method for controlling the same, which are capable of achieving a reduction in power consumption, through selective application of a charge share mode or a pre-charge mode in accordance with the swing width of a data voltage. The disclosed method includes the steps of determining a positive or negative polarity of input image data on the basis of reference data and outputting a pre-charge enable signal when two successive image data have the same polarity; supplying a pre-charge voltage to a corresponding output channel in response to the pre-enable signal; and converting the image data into a data voltage, supplying the converted data voltage to a corresponding data line through the corresponding output channel.Type: GrantFiled: December 21, 2012Date of Patent: March 31, 2015Assignee: LG Display Co., Ltd.Inventors: Jin-Hyoung Kim, Seung-Tae Kim, Ho-Min Lim
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Patent number: 8988329Abstract: Disclosed are an OLED display device and method for sensing characteristic parameters of pixel driving circuits. The display device includes a display panel including pixels each having a light emitting element and a pixel driving circuit for independently driving the light emitting element, and a characteristic parameter detecting unit for driving the pixel driving circuit of one of the plural pixels, which is a sensing pixel, sensing a voltage discharged in accordance with characteristics of a driving TFT in the pixel driving circuit of the sensing pixel, on a data line connected to the pixel driving circuit of the sensing pixel, among data lines connected to respective pixel driving circuits of the pixels, and detecting a threshold voltage (Vth) of the driving TFT and a deviation of a process characteristic parameter (k-parameter) of the driving TFT, using the measured voltage.Type: GrantFiled: December 14, 2012Date of Patent: March 24, 2015Assignee: LG Display Co., Ltd.Inventors: Joong-Sun Yoon, Seung-Tae Kim, Ji-Hyun Kang, Ji-Eun Lee
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Publication number: 20150062192Abstract: Discussed is an organic light emitting display device. The organic light emitting display device in one embodiment includes a plurality of pixels configured to each include an organic light emitting device which emits light with a data current, and a pixel circuit that includes a driving transistor which supplies the data current, which is based on a difference voltage between a data voltage and a reference voltage, to the organic light emitting device, a plurality of data lines configured to respectively supply a plurality of the data voltages to the plurality of pixels, a plurality of gate lines configured to supply a gate signal to the pixels, and a plurality of reference lines connected to at least one of the pixels, and configured to supply the reference voltage to the connected pixel. The reference voltage is varied according to data of a pixel connected to a corresponding reference line.Type: ApplicationFiled: August 14, 2014Publication date: March 5, 2015Inventors: Bum Sik KIM, Seung Tae KIM
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Patent number: 8938852Abstract: A device for checking the door of a vehicle that includes a fixing member that is attached to a vehicle body; a checker arm, an edge of which is hinge combined with the fixing member to be rotated and is located between a door and the vehicle body; and a door checker that is attached to the door to maintain the door in a stop-state at a position on a moving path of the door while sliding in a length direction of the checker arm by accommodating the checker arm therein, wherein the door checker includes: a housing in which an accommodation space is formed; a transformation element that is accommodated in the housing and transforms a straight line motion of the checker arm into a rotational motion by being engaged with the checker arm; a rotation element that is disposed within the housing, rotates by being engaged with the transformation element, and includes a friction plate; a fixing element that is fixedly installed in the housing and restricts the rotation member by attracting the friction plate of the rotType: GrantFiled: February 8, 2012Date of Patent: January 27, 2015Assignee: KWANGJIN Co., Ltd.Inventor: Seung Tae Kim
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Publication number: 20150002502Abstract: Discussed is an organic light emitting display device. The organic light emitting display device includes a display panel configured to include a plurality of pixels that each include an OLED and a pixel circuit for emitting light from the OLED, a compensation circuit configured to generate an initial compensation voltage of a driving TFT and a sequential compensation voltage based on an elapse of a driving time of the driving TFT, a data driver configured to reflect the compensation voltage in a data voltage based on an image signal to generate a driving voltage that is used to drive the driving TFT included in the pixel circuit, and supply the driving voltage of the driving TFT to each of the plurality of pixels, and a timing controller configured to set a driving voltage of the data driver, based on a sequential compensation voltage at a current time.Type: ApplicationFiled: June 10, 2014Publication date: January 1, 2015Inventor: Seung Tae KIM
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Patent number: 8893436Abstract: An invisible sliding door link structure includes a door bracket disposed at an inner surface of a door sliding part of a vehicle body to open or close, a body bracket provided in an invisible slider to slide the door, a main arm with one end connected to one side of the door bracket and the other end connected to one side of the body bracket, a first link having one end rotatably connected to the other side of the body bracket, a second link having one end rotatably connected to the other end of the first link and the other end connected to the other side of the door bracket, and a third link having one end rotatably connected to one side of the main arm and the other end connected to a hinge point at which the first and second links are connected to each other.Type: GrantFiled: July 2, 2013Date of Patent: November 25, 2014Assignees: Hyundai Motor Company, Kwangjin Co., Ltd.Inventors: Jae Hong Choi, Seung Tae Kim
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Publication number: 20140259938Abstract: An invisible sliding door link structure includes a door bracket disposed at an inner surface of a door sliding part of a vehicle body to open or close, a body bracket provided in an invisible slider to slide the door, a main arm with one end connected to one side of the door bracket and the other end connected to one side of the body bracket, a first link having one end rotatably connected to the other side of the body bracket, a second link having one end rotatably connected to the other end of the first link and the other end connected to the other side of the door bracket, and a third link having one end rotatably connected to one side of the main arm and the other end connected to a hinge point at which the first and second links are connected to each other.Type: ApplicationFiled: July 2, 2013Publication date: September 18, 2014Applicants: Kwangjin Co., Ltd., Hyundai Motor CompanyInventors: Jae Hong CHOI, Seung Tae KIM
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Publication number: 20140176401Abstract: An organic light emitting display device includes a display panel having a plurality of pixels provided with a pixel circuit to operate an organic light emitting diode, and a driving circuit to drive the display panel, wherein ‘n’ horizontal sensing lines are formed in the display panel, and a method for driving the display device includes: dividing the ‘n’ horizontal sensing lines formed in the display panel into a plurality of blocks; and sequentially or non-sequentially sensing the plurality of blocks via the sensing lines, wherein the plurality of blocks are sensed in order from the first to the last of the ‘n’ sensing lines by a sequential or non-sequential method.Type: ApplicationFiled: December 17, 2013Publication date: June 26, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Nari Kim, Seung Tae Kim, Tae Gung Kim, Ji Eun Lee
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Publication number: 20140176516Abstract: A method of driving an organic light emitting display device includes sensing characteristics of driving TFTs of pixels to generate sensing data at a power-on time when the organic light emitting display device is powered on, merging initial compensation data and the sensing data at the power-on time to compensate for the characteristics of the driving TFTs of all the pixels, displaying an image in a driving mode and sequentially sensing characteristics of driving TFTs of a plurality of pixels in units of one horizontal line in real time during a blank interval between frames, and sequentially compensating for the characteristics of the driving TFTs of the pixels in units of one horizontal line in real time by using a real-time sensing data generated by real-time sensing.Type: ApplicationFiled: December 9, 2013Publication date: June 26, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Jung Hyeon Kim, Bum Sik Kim, Seung Tae Kim, Myung-Gi Lim
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Patent number: D730245Type: GrantFiled: June 17, 2014Date of Patent: May 26, 2015Assignee: Kia Motors CorporationInventor: Seung-Tae Kim