Patents by Inventor Jeong Pil Choi
Jeong Pil Choi 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: 11034390Abstract: Disclosed is a reinforcing member for improving durability of a structure which receives an external force. The reinforcing member includes a reinforcing portion for improving the durability of the structure and a restricting portion which is fixed, in position, to the structure while restricting a shift in position of the reinforcing portion such that the reinforcing portion is located in a predetermined position on the basis of the structure.Type: GrantFiled: June 25, 2019Date of Patent: June 15, 2021Assignee: SHIN YOUNG CO., LTD.Inventors: Sang Hoon Chae, Jeong Pil Choi
-
Publication number: 20200391808Abstract: Disclosed is a reinforcing member for improving durability of a structure which receives an external force. The reinforcing member includes a reinforcing portion for improving the durability of the structure and a restricting portion which is fixed, in position, to the structure while restricting a shift in position of the reinforcing portion such that the reinforcing portion is located in a predetermined position on the basis of the structure.Type: ApplicationFiled: June 25, 2019Publication date: December 17, 2020Inventors: Sang Hoon CHAE, Jeong Pil CHOI
-
Patent number: 8184073Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel in which a plurality of scan electrodes, sustain electrodes, and address electrodes are formed on substrates to form a discharge cell and electrode driving parts for driving the scan electrodes, the sustain electrodes, and the address electrodes. The plurality of scan electrodes are divided into a plurality of scan electrode groups and the driving parts are controlled such that a voltage different from a scan bias voltage is applied for a predetermined time in the address period of one or more scan electrode groups among the plurality of scan electrode groups.Type: GrantFiled: July 9, 2009Date of Patent: May 22, 2012Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 8179342Abstract: Provided are a method and apparatus for driving a PDP for widening a driving margin and improving contrast. The method for driving a PDP includes a first step of forming wall charges in cells with a set-up discharge using a set-up signal in a first sub-field and erasing the wall charges with a set-down discharge using a first set-down signal to initialize the cells, and a second step of erasing the wall charges with a set-down discharge generated using a second set-down signal different from the first set-down signal in a second sub-field, to initialize the cells. The method and apparatus for driving a PDP uniformly initialize sub-fields to widen the driving margin of PDP and remove a set-up discharge in at least one sub-field to improve the contrast of PDP.Type: GrantFiled: February 27, 2009Date of Patent: May 15, 2012Assignee: LG Electronics Inc.Inventors: Hee Jae Kim, Chang Young Kwon, Jeong Pil Choi, Seong Ho Kang
-
Patent number: 8054248Abstract: A driving method of a plasma display panel may be provided such that the plasma display panel may be driven stably under a high temperature environment. The method may include applying a scan pulse to the scan electrode during an address period, applying a first DC voltage to the sustain electrode during the set-down period, applying a second DC voltage to the sustain electrode during the first address period after applying the falling waveform to the scan electrode, and applying a third DC voltage to the sustain electrode during the second address period after applying the second DC voltage to the sustain electrode. A difference between the second DC voltage and a lowest voltage of the scan pulse applied during the first address period is lower than a difference between the third DC voltage and a lowest voltage of the scan pulse applied during the second address period.Type: GrantFiled: December 18, 2007Date of Patent: November 8, 2011Assignee: LG Electronics Inc.Inventors: Moon Shick Chung, Jeong Pil Choi
-
Patent number: 8054246Abstract: A plasma display apparatus comprises a controller, data transmitting unit, data driver, and plasma display panel. The controller outputs m channels of image data and the data transmitting unit transmits the image data through the m channels. The data driver includes a data arranging unit which receives the m channels of image data and outputs n channels of addressing data. The number n may be greater than m. Also, the data arranging unit may include a memory for storing image data corresponding to one frame, so that a driver of the data arranging unit can receive image data from the controller in any input period of one frame period.Type: GrantFiled: March 3, 2006Date of Patent: November 8, 2011Assignee: LG Electronics Inc.Inventors: Seong Hee Park, Jeong Pil Choi
-
Patent number: 7952539Abstract: The present invention relates to a driving apparatus for supplying a driving signal to a plasma display panel, and a plasma display apparatus employing the same. A reset signal supplied during a reset period of a first subfield of a plurality of subfields includes a first rising period where a voltage rises up to a first voltage, and a first sustain period where the first voltage is sustained. A reset signal supplied during a reset period of a second subfield includes a second rising period where a voltage rises up to a second voltage lower than the first voltage, and a second sustain period where the second voltage is sustained. The second voltage is higher than a sustain voltage. In accordance with the present invention, if it is sought to reset discharge cells of a PDP in a reset period, a signal whose voltage gradually rises up to a voltage higher than the sustain voltage is applied to a scan electrode.Type: GrantFiled: October 31, 2007Date of Patent: May 31, 2011Assignee: LG Electronics Inc.Inventors: Jeong Pil Choi, Seong Ho Kang
-
Patent number: 7944409Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel in which a plurality of scan electrodes, sustain electrodes, and address electrodes are formed on substrates to form a discharge cell and electrode driving parts for driving the scan electrodes, the sustain electrodes, and the address electrodes. The plurality of scan electrodes are divided into a plurality of scan electrode groups and the driving parts are controlled such that a voltage different from a scan bias voltage is applied for a predetermined time in the address period of one or more scan electrode groups among the plurality of scan electrode groups.Type: GrantFiled: April 26, 2005Date of Patent: May 17, 2011Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 7924240Abstract: Disclosed therein is an apparatus for driving a plasma display panel, with a simple structure.Type: GrantFiled: September 25, 2007Date of Patent: April 12, 2011Assignee: LG Electronics Inc.Inventors: Jeong Pil Choi, Seong Hee Park
-
Patent number: 7916098Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including a scan electrode, and a scan driver that supplies a setup pulse to the scan electrode. The setup pulse gradually rises to a first voltage level with a first slope, rises from the first voltage level to a second voltage level with a second slope smaller than the first slope, and rises from the second voltage level to a third voltage level with a third slope different from the second slope.Type: GrantFiled: July 20, 2007Date of Patent: March 29, 2011Assignee: LG Electronics Inc.Inventors: Jeong Pil Choi, Kyu Choon Cho, Woo Chang Jung
-
Patent number: 7911413Abstract: Disclosed is a method of driving a plasma display panel enabling to improve an overall contrast characteristic of the plasma display panel by reducing a voltage difference between scan and sustain electrodes Y and Z to decrease an emission amount of light generated by a discharge between the scan and sustain electrodes Y and Z. The present invention includes a first step of applying a reset pulse to the scan electrode to form predetermined wall charges on the electrodes for a set-up period and a second step of applying a pulse of a predetermined level to the sustain electrode to reduce a voltage difference between the scan and sustain electrodes while the reset pulse is applied.Type: GrantFiled: February 22, 2006Date of Patent: March 22, 2011Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 7872616Abstract: There is provided a plasma display apparatus and a driving method thereof, and more particularly, to a plasma display apparatus which drives an electrodes and a driving method thereof. The plasma display apparatus includes a plasma display panel including an electrodes; a first voltage supply unit supplying a first voltage to the electrodes at a setup period; and a setup/scan operation unit supplying a ramp-up pulse to the electrodes at the setup period with one voltage source and supplying a second voltage to the electrodes at an address period with the one voltage source.Type: GrantFiled: September 9, 2005Date of Patent: January 18, 2011Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 7768493Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a plurality of data electrodes arranged in parallel to each other, and a data driver. The data driver applies a driving voltage to the plurality of data electrodes. The data driver includes a first connector and a second connector positioned at opposite edges of the plasma display panel, respectively. The first connector is electrically connected to some of the plurality of data electrodes, and the second connector is electrically connected to the date electrodes which are not connected to the first connector.Type: GrantFiled: June 7, 2007Date of Patent: August 3, 2010Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 7760212Abstract: Disclosed is a method of driving a plasma display panel and an apparatus thereof enabling to manage digital signal for driving a plasma display panel. The apparatus for driving a plasma display panel has a PDP driving unit which supplies the plasma display panel with the video signal outputted from a scan converter after revision and controls the sustain discharge period of sub-field to adjust contrast and brightness of a picture.Type: GrantFiled: November 20, 2006Date of Patent: July 20, 2010Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 7737916Abstract: A plasma display apparatus and a method of driving the plasma display apparatus are disclosed. The plasma display apparatus includes a plasma display panel including a plurality of electrodes, a driving pulse controller for outputting a timing control signal and a driver. The driver supplies a set-down pulse to at least one electrode of the plurality of electrodes depending on the timing control signal. The first set-down pulse gradually falls from a first voltage to a second voltage during a first period, is maintained at the second voltage during a second period, and gradually falls from the second voltage to a third voltage during a third period.Type: GrantFiled: August 29, 2006Date of Patent: June 15, 2010Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Patent number: 7701146Abstract: Provided is a plasma display apparatus. The apparatus comprises: a plasma display panel; an energy storing unit supplying or recovering energy; an energy supply controller forming a path for supplying the energy from the energy storing unit; a first resonance unit supplying the energy supplied from the energy supply controller, to the plasma display panel through resonance; a second resonance unit forming the resonance together with the first resonance unit, and recovering the energy from the plasma display panel to the energy storing unit; and an energy recovery controller positioned between the first resonance unit and the second resonance unit, and forming a path for recovering the energy.Type: GrantFiled: December 15, 2005Date of Patent: April 20, 2010Assignee: LG Electronics Inc.Inventors: Byung Goo Kong, Jeong Pil Choi
-
Patent number: 7679582Abstract: The present invention relates to a plasma display panel, and more particularly, to a method for driving a plasma display panel. The driving method of the plasma display panel according to the present invention comprises the steps of: supplying alternately a sustain pulse to a scanning electrode and a sustain electrode during a sustain period; and supplying a DC voltage of positive polarity to an address electrode during a part of the sustain period. According to the driving method of the plasma display panel of the present invention, it is possible to achieve a stable address discharge and to prevent the damage of the circuit components and the erroneous discharge owing to excessive voltage fluctuation.Type: GrantFiled: June 4, 2004Date of Patent: March 16, 2010Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi
-
Publication number: 20090315873Abstract: The present invention relates to an energy recovery circuit for supplying driving signals to a plasma display panel (PDP), and a plasma display apparatus employing the same. The plasma display apparatus includes a PDP, and a driver for generating a driving signal for driving the PDP. The driver includes a first capacitor that charges a voltage recovered from the PDP, an inductor that forms a resonant circuit together with the first capacitor, a voltage source that supplies a voltage for generating the driving signal, and a second capacitor connected between one end of the inductor and a voltage source. According to the present invention, in the event that a driving signal is to be supplied to a PDP using an energy recovery circuit, a capacitor is connected to one end of the inductor of the energy recovery circuit.Type: ApplicationFiled: August 28, 2009Publication date: December 24, 2009Inventor: Jeong Pil CHOI
-
Publication number: 20090273545Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel in which a plurality of scan electrodes, sustain electrodes, and address electrodes are formed on substrates to form a discharge cell and electrode driving parts for driving the scan electrodes, the sustain electrodes, and the address electrodes. The plurality of scan electrodes are divided into a plurality of scan electrode groups and the driving parts are controlled such that a voltage different from a scan bias voltage is applied for a predetermined time in the address period of one or more scan electrode groups among the plurality of scan electrode groups.Type: ApplicationFiled: July 9, 2009Publication date: November 5, 2009Inventor: Jeong Pil CHOI
-
Patent number: 7612739Abstract: Device and method for operating a plasma display panel, wherein scan electrode lines are equally divided into two, and independently operated, and a scanning sequence of the scan electrode lines is alternated at every sub-field.Type: GrantFiled: April 21, 2003Date of Patent: November 3, 2009Assignee: LG Electronics Inc.Inventor: Jeong Pil Choi