Patents by Inventor Chae-Woo Chung
Chae-Woo Chung 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: 20150170598Abstract: A method of driving a display panel includes comparing a previous frame data and a present frame data, outputting an inversion control signal of the present frame based on a result of the comparing the previous frame data and the present frame data, generating a positive pixel voltage and a negative pixel voltage based on the inversion control signal and displaying an image based on the positive pixel voltage and the negative pixel voltage.Type: ApplicationFiled: May 30, 2014Publication date: June 18, 2015Applicant: Samsung Display Co., LTD.Inventors: Bong-Chool JEON, Yun-Tae KIM, Choong-Hwa KIM, Chae-Woo CHUNG, Ki-Hyun PYUN, Eun-Bum PYUN
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Patent number: 8068082Abstract: A display apparatus includes a display panel that displays an image in response to a data voltage, a data driving unit that outputs the data voltage in response to a driving signal, and a printed circuit board that outputs the driving signal and that has a static electricity discharge circuit. The discharge circuit discharges high-voltage static electricity, which is introduced into the data driving unit, to ground. Accordingly, the display apparatus prevents the data driving unit from being damaged by the high-voltage static electricity.Type: GrantFiled: December 10, 2008Date of Patent: November 29, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-Hyun Cho, Il-Goo Yoon, Chae-Woo Chung, Soo-Young Park
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Patent number: 7973870Abstract: A liquid crystal display (LCD) device and a manufacturing method thereof, capable of preventing vertical crosstalk caused by a deviation of a parasitic capacitance, includes a first pixel electrode formed in a first gray scale region of each subpixel region divided into first and second gray scale regions, and a second pixel electrode formed in the second gray scale region separated from the first pixel electrode and encompassed by the first pixel electrode.Type: GrantFiled: June 17, 2010Date of Patent: July 5, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Chae Woo Chung, Sung Jae Moon
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Patent number: 7956979Abstract: A display apparatus includes a display module displaying an image using power and a control signal, the display module having a first surface including at least one power supply unit for supplying the power and a control board for supplying the control signal, and a heat radiation cover portion covering a part of the first surface of the display module including the power supply unit and the control board, wherein the heat radiation cover portion forms an air passage between the first surface of the display module and the heat radiation cover portion.Type: GrantFiled: August 18, 2008Date of Patent: June 7, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Rok Oh, Jin-Ho Park, Chae-Woo Chung, Il-Goo Yoon, Won-Seok Kim, Soo-Young Park
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Patent number: 7916234Abstract: A liquid crystal display (LCD) capable of preventing light leakage includes first and second gate lines which extend in a horizontal direction, a data line which is insulated from the first and second gate lines and crosses the first and second gate lines, first and second thin film transistors (TFTs) which are respectively connected to the first and second gate lines and are connected to the data line, and a pixel electrode which extends in zigzag fashion at an inclination to the first and second gate lines and is divided into a first area and a second area in a direction in which the pixel electrode extends.Type: GrantFiled: August 3, 2007Date of Patent: March 29, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-hyun Hur, Back-won Lee, Chae-woo Chung, Sahng-ik Jun, Kweon-sam Hong, Sang-gun Choi, Yong-woo Lee, Yong-jo Kim, Hyun-duck Son
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Patent number: 7876396Abstract: A backlight assembly comprises a light source unit emitting light, a heat-blocking plate disposed over the light source unit to prevent heat generated from the light source unit from being upwardly transmitted, and a receiving container receiving the light source unit and the heat-blocking plate. The receiving container includes a bottom plate and a plurality of sidewalls. Each of the sidewalls extends from a side of the bottom plate and has openings formed through each of the sidewalls. The openings are formed over the heat-blocking plate.Type: GrantFiled: November 12, 2008Date of Patent: January 25, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-Ho Park, Won-Seok Kim, Sang-Soo Kim, Doo-Won Lee, Hea-Chun Lee, Young-Jae Lee, Nam-Heon Kim, Chae-Woo Chung, Sang-Wook Lee, Kwang-Soo Lee, Jin-Ho Cho, Jae-Hyun Cho
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Publication number: 20100253867Abstract: A liquid crystal display (LCD) device and a manufacturing method thereof, capable of preventing vertical crosstalk caused by a deviation of a parasitic capacitance, includes a first pixel electrode formed in a first gray scale region of each subpixel region divided into first and second gray scale regions, and a second pixel electrode formed in the second gray scale region separated from the first pixel electrode and encompassed by the first pixel electrode.Type: ApplicationFiled: June 17, 2010Publication date: October 7, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Chae Woo CHUNG, Sung Jae MOON
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Patent number: 7760311Abstract: A liquid crystal display (LCD) device and a manufacturing method thereof, capable of preventing vertical crosstalk caused by a deviation of a parasitic capacitance, includes a first pixel electrode formed in a first gray scale region of each subpixel region divided into first and second gray scale regions, and a second pixel electrode formed in the second gray scale region separated from the first pixel electrode and encompassed by the first pixel electrode.Type: GrantFiled: January 11, 2007Date of Patent: July 20, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Chae Woo Chung, Sung Jae Moon
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Patent number: 7750986Abstract: A liquid crystal display (LCD) apparatus includes an upper substrate having an upper director, a lower substrate having a lower director, and a liquid crystal layer interposed between the upper substrate and the lower substrate. The upper director and the lower director aligning liquid crystals included in a liquid crystal layer to widen a viewing angle of the LCD apparatus. A storage electrode having a shape corresponding to the upper director and the lower director is arranged on the lower substrate so that the liquid crystals are rapidly aligned in a predetermined angle to increase an operating speed of the LCD apparatus.Type: GrantFiled: February 21, 2007Date of Patent: July 6, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Chae-Woo Chung, Young-Goo Song, Jeong-Ho Lee
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Publication number: 20100090995Abstract: A display apparatus and a multi-display apparatus having larger display areas. The display apparatus includes a first insulating substrate, as well as a plurality of gate lines and a plurality of data lines on the first insulating substrate, where the plurality of gate lines is arranged to intersect the plurality of data lines. A plurality of storage electrode lines is arranged substantially parallel to the plurality of gate lines. A gate drive chip is mounted off of the first insulating substrate and electrically connected to the plurality of gate lines and the plurality of storage electrode lines. The gate drive chip is configured to apply a gate voltage to the gate lines and a storage voltage to the storage electrode lines.Type: ApplicationFiled: October 12, 2009Publication date: April 15, 2010Inventors: Chae-Woo CHUNG, Jae-Hyun Cho, Jeong-Uk Heo, Sun-Kyu Son, Dong-Hyeon Ki
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Patent number: 7683371Abstract: A display panel has a protection film having a recess. The recess is arranged above a storage electrode and corresponds to a location of the storage electrode in a plan view. A width of the recess is larger in plan view than a width of the storage electrode, and a pixel electrode is arranged on the protection film. The capacitance of a storage capacitor formed by charges stored in the pixel electrode and the storage electrode is determined by a thickness of the protection film and an overlapping area of the pixel electrode and the storage electrode.Type: GrantFiled: September 5, 2007Date of Patent: March 23, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Chae-Woo Chung, Jeong-Ho Lee, Yong Woo Lee
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Publication number: 20100007596Abstract: A display apparatus includes a display panel that displays an image in response to a data voltage, a data driving unit that outputs the data voltage in response to a driving signal, and a printed circuit board that outputs the driving signal and that has a static electricity discharge circuit. The discharge circuit discharges high-voltage static electricity, which is introduced into the data driving unit, to ground. Accordingly, the display apparatus prevents the data driving unit from being damaged by the high-voltage static electricity.Type: ApplicationFiled: December 10, 2008Publication date: January 14, 2010Inventors: JAE-HYUN CHO, Il-Goo Yoon, Chae-Woo Chung, Soo-Young Park
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Publication number: 20090147181Abstract: A backlight assembly comprises a light source unit emitting light, a heat-blocking plate disposed over the light source unit to prevent heat generated from the light source unit from being upwardly transmitted, and a receiving container receiving the light source unit and the heat-blocking plate. The receiving container includes a bottom plate and a plurality of sidewalls. Each of the sidewalls extends from a side of the bottom plate and has openings formed through each of the sidewalls. The openings are formed over the heat-blocking plate.Type: ApplicationFiled: November 12, 2008Publication date: June 11, 2009Inventors: Jin-Ho Park, Won-Seok Kim, Sang-Soo Kim, Doo-Won Lee, Hea-Chun Lee, Young-Jae Lee, Nam-Heon Kim, Chae-Woo Chung, Sang-Wook Lee, Kwang-Soo Lee, Jin-Ho Cho, Jae-Hyun Cho
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Publication number: 20090122218Abstract: A display apparatus includes a display module displaying an image using power and a control signal, the display module having a first surface including at least one power supply unit for supplying the power and a control board for supplying the control signal, and a heat radiation cover portion covering a part of the first surface of the display module including the power supply unit and the control board, wherein the heat radiation cover portion forms an air passage between the first surface of the display module and the heat radiation cover portion.Type: ApplicationFiled: August 18, 2008Publication date: May 14, 2009Inventors: Young-Rok Oh, Jin-Ho Park, Chae-Woo Chung, Il-Goo Yoon, Won-Seok Kim, Soo-Young Park
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Publication number: 20080030640Abstract: A liquid crystal display (LCD) capable of preventing light leakage includes first and second gate lines which extend in a horizontal direction, a data line which is insulated from the first and second gate lines and crosses the first and second gate lines, first and second thin film transistors (TFTs) which are respectively connected to the first and second gate lines and are connected to the data line, and a pixel electrode which extends in zigzag fashion at an inclination to the first and second gate lines and is divided into a first area and a second area in a direction in which the pixel electrode extends.Type: ApplicationFiled: August 3, 2007Publication date: February 7, 2008Inventors: Seung-hyun Hur, Back-won Lee, Chae-woo Chung, Sahng-ik Jun, Kweon-sam Hong, Sang-gun Choi, Yong-woo Lee, Yong-jo Kim, Hyun-duck Son
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Publication number: 20070195214Abstract: A liquid crystal display (LCD) apparatus includes an upper substrate having an upper director, a lower substrate having a lower director, and a liquid crystal layer interposed between the upper substrate and the lower substrate. The upper director and the lower director aligning liquid crystals included in a liquid crystal layer to widen a viewing angle of the LCD apparatus. A storage electrode having a shape corresponding to the upper director and the lower director is arranged on the lower substrate so that the liquid crystals are rapidly aligned in a predetermined angle to increase an operating speed of the LCD apparatus.Type: ApplicationFiled: February 21, 2007Publication date: August 23, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chae-Woo CHUNG, Young-Goo SONG, Jeong-Ho LEE
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Publication number: 20070182902Abstract: A liquid crystal display (LCD) device and a manufacturing method thereof, capable of preventing vertical crosstalk caused by a deviation of a parasitic capacitance, includes a first pixel electrode formed in a first gray scale region of each subpixel region divided into first and second gray scale regions, and a second pixel electrode formed in the second gray scale region separated from the first pixel electrode and encompassed by the first pixel electrode.Type: ApplicationFiled: January 11, 2007Publication date: August 9, 2007Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Chae Woo CHUNG, Sung Jae MOON