Patents by Inventor Soon-il Ahn
Soon-il Ahn 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: 10497305Abstract: An apparatus and method of preventing signal delay in a display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines overlap with the conductive member at a position outside a display area. Accordingly, the capacitances between the signal lines may be substantially the same.Type: GrantFiled: January 18, 2017Date of Patent: December 3, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
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Publication number: 20170124945Abstract: A display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines are disposed at a position outside a region of overlap of the conductive member. Accordingly, the capacitances between the signal lines may be substantially the same.Type: ApplicationFiled: January 18, 2017Publication date: May 4, 2017Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK
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Patent number: 9588388Abstract: An apparatus and method of preventing signal delay in a display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines and the conductive member do not overlap. Accordingly, the capacitances between the signal lines may be substantially the same.Type: GrantFiled: January 7, 2014Date of Patent: March 7, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
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Patent number: 9153190Abstract: A gate driver that comprises n shift registers, wherein n is an integer equal to or larger than 1, each of the n shift registers includes; a start stage which outputs a gate signal and starts its operation in response to a start signal, and a plurality of subsequent stages which are connected to each other in sequence, and which sequentially output a plurality of gate signals in response to a signal output from the start stage, wherein at least one stage of the plurality of subsequent stages is reset by the start signal.Type: GrantFiled: December 12, 2008Date of Patent: October 6, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Il Ahn, Ho-Kyoon Kwon, Byoung-Sun Na, Dong-Hyon Ki, Seung-Soo Baek, Hye-Seok Na
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Patent number: 9116405Abstract: A display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines are disposed at a position outside a region of overlap of the conductive member. Accordingly, the capacitances between the signal lines may be substantially the same.Type: GrantFiled: January 7, 2014Date of Patent: August 25, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
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Patent number: 8755014Abstract: A thin film transistor array panel for a liquid crystal display, a liquid crystal display and a manufacturing method thereof are provided. The display panel includes: a substrate; and a first electrode portion disposed on the substrate, the first electrode portion having two pairs of main edges facing each other and a first cutout oblique to the main edges, wherein the main edges include first and second edges, the first electrode portion has an oblique edge substantially parallel to the first cutout, the oblique connecting the first edge and the second edge, the first edge includes a first portion extending from the oblique edge to an end of the first cutout, and the oblique edge is substantially equal to or longer than a half of the first portion of the first edge.Type: GrantFiled: September 8, 2005Date of Patent: June 17, 2014Assignee: Samsung Display Co., Ltd.Inventors: Soon-Il Ahn, You-Lee Song
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Patent number: 8743304Abstract: A liquid crystal display includes a substrate including a longer first side and a shorter second side, a plurality of gate lines disposed on the substrate, a plurality of data lines disposed on the substrate perpendicular to and insulated from the gate lines, and a plurality of pixel electrodes, each pixel electrode electrically connected to a data line by a switching element, wherein a number of the gate lines is about half of a number of the pixel electrodes, and the data lines extend in a direction which is substantially parallel to a direction of the first side.Type: GrantFiled: May 5, 2009Date of Patent: June 3, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yoon-Jang Kim, Yeong-Keun Kwon, Soon-Il Ahn, Kyung-Ho Park
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Publication number: 20140118654Abstract: A display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines are disposed at a position outside a region of overlap of the conductive member. Accordingly, the capacitances between the signal lines may be substantially the same.Type: ApplicationFiled: January 7, 2014Publication date: May 1, 2014Applicant: Samsung Display Co., Ltd.Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK
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Publication number: 20140118655Abstract: A display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines are disposed at a position outside a region of overlap of the conductive member. Accordingly, the capacitances between the signal lines may be substantially the same.Type: ApplicationFiled: January 7, 2014Publication date: May 1, 2014Applicant: Samsung Display Co., Ltd.Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK
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Patent number: 8711318Abstract: An apparatus and method of preventing signal delay in display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines and the conductive member do not overlap. Accordingly, the capacitances between the signal lines may be substantially the same.Type: GrantFiled: November 21, 2008Date of Patent: April 29, 2014Assignee: Samsung Display Co., Ltd.Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
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Patent number: 8228282Abstract: In a gate driving circuit and a display apparatus having the gate driving circuit, a pull-up transistor of a present stage among plural stages, which are connected one after another to each other and sequentially output a gate signal, pulls up a present gate signal output through an output terminal to a gate-on voltage. A buffer transistor is connected to a control terminal of the pull-up transistor to receive a previous output signal from a previous stage and to turn on the pull-up transistor. The buffer transistor has a chargeability that is about two times or greater than the chargeability of the pull-up transistor. Thus, the size of the pull-up transistor may be reduced, thereby preventing a malfunction of the gate driving circuit when the gate driving circuit is operated under conditions of high temperature or low temperature.Type: GrantFiled: October 30, 2007Date of Patent: July 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Byoung-Sun Na, Dong-Hyeon Ki, Min-Cheol Lee, Soon-Il Ahn
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Patent number: 8027004Abstract: A liquid crystal display according to an embodiment of the invention includes a substrate, a plurality of gate lines formed on the substrate, a plurality of data lines formed on the substrate to intersect the gate lines, and a plurality of pixel electrodes formed on the substrate. In the liquid crystal display, the pixel electrode includes a first main side substantially parallel with the gate line, a second main side substantially parallel with the data line, a first oblique side making a first oblique angle with respect to the first and second main sides, and a second oblique side making a second oblique angle with respect to the first and second main sides. The first oblique angle and the second oblique angle are different from each other.Type: GrantFiled: July 25, 2007Date of Patent: September 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Ji-Hyun Kwon, Byoung-Sun Na, Dong-Hyeon Ki, Soon-Il Ahn
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Patent number: 7864149Abstract: In a display panel, main and sub pixel electrodes are connected to first and second drain electrodes of a thin film transistor, respectively, to receive a data voltage during a 1 H period as main and sub pixel voltages. A main storage electrode overlaps the main pixel electrode to receive a first common voltage that varies with the gate pulse and the polarity of the data voltage. A sub storage electrode overlaps the sub pixel electrode to receive a second common voltage that is uniformly maintained at a constant voltage level. The sub pixel voltage is uniformly maintained by the second common voltage, but the main pixel voltage is shifted up or down by the first common voltage. Thus, the main pixel voltage may have a voltage level higher than that of the sub pixel voltage.Type: GrantFiled: August 27, 2007Date of Patent: January 4, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-Wook Do, Byoung-Sun Na, Seung-Hoo Yoo, Soon-Il Ahn, Hyun-Cheol Moon, Hye-Ran You
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Patent number: 7821003Abstract: Provided are a thin-film transistor (TFT) substrate and a display device having the same. In the TFT substrate and the display device having the same, first and second drain electrodes of first and second TFTs connected to first and second pixel electrodes, respectively, are vertically bent a plurality of times. The distance between each of the first and second source electrodes and the first or second drain electrode is maintained at a minimum interline gap to increase the distance between a data line and each of the first and second drain electrodes and minimize the length of a region of each of the first and second drain electrodes adjacent to the data line. Consequently, a coupling capacitance between the data line and each of the first and second drain electrodes can be reduced, and each unit pixel region can have a uniform parasite capacitance within a predetermined range. In addition, the luminance deviation of a display device, which performs inversion driving, can be reduced.Type: GrantFiled: February 26, 2009Date of Patent: October 26, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Hye-Seok Na, Won-Hee Lee, Ho-Kyoon Kwon, Byoung-Sun Na, Soon-Il Ahn, Ji-Hyun Kwon
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Publication number: 20100118221Abstract: A liquid crystal display includes a substrate including a longer first side and a shorter second side, a plurality of gate lines disposed on the substrate, a plurality of data lines disposed on the substrate perpendicular to and insulated from the gate lines, and a plurality of pixel electrodes, each pixel electrode electrically connected to a data line by a switching element, wherein a number of the gate lines is about half of a number of the pixel electrodes, and the data lines extend in a direction which is substantially parallel to a direction of the first side.Type: ApplicationFiled: May 5, 2009Publication date: May 13, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Yoon-Jang KIM, Yeong-Keun KWON, Soon-Il AHN, Kyung-Ho PARK
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Publication number: 20100045884Abstract: A liquid crystal display according to an embodiment includes a gate line extending in a first direction, a data line intersecting the gate line and extending in a second direction, a first switching element connected to the gate line and the data line, a second switching element connected to the gate line and the data line, a first subpixel electrode connected to the first switching element and having a first voltage, and a second subpixel electrode connected to the second switching element and having a second voltage. The difference between the first voltage and a common voltage is larger than the difference between the second voltage and the common voltage, and the shortest distance between the first subpixel electrode and the data line is larger than the shortest distance between the second subpixel electrode and the data line. Accordingly, a variation of luminance due to parasitic capacitance between the pixel electrode and the data line may be reduced, and the aperture ratio may be increased.Type: ApplicationFiled: August 6, 2009Publication date: February 25, 2010Inventors: Soon-Il AHN, Dong-Gyu KIM, Hye-Seok NA
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Publication number: 20100007653Abstract: A gate driver that comprises n shift registers, wherein n is an integer equal to or larger than 1, each of the n shift registers includes; a start stage which outputs a gate signal and starts its operation in response to a start signal, and a plurality of subsequent stages which are connected to each other in sequence, and which sequentially output a plurality of gate signals in response to a signal output from the start stage, wherein at least one stage of the plurality of subsequent stages is reset by the start signal.Type: ApplicationFiled: December 12, 2008Publication date: January 14, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Soon-Il AHN, Ho-Kyoon KWON, Byoung-Sun NA, Dong-Hyon KI, Seung-Soo BAEK, Hye-Seok NA
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Patent number: 7595207Abstract: To improve product yield, light is scanned on a layer on a substrate through a mask. A pattern is formed on the substrate by the exposure of the layer. The direction of scanning is substantially perpendicular to a longitudinal direction of the pattern. The capacitance difference due to coupling of the pattern to be formed and a conductive layer formed through an insulation layer is reduced. Thus, failures of a display device are reduced and the product yield is increased.Type: GrantFiled: April 1, 2004Date of Patent: September 29, 2009Assignee: Samsung Electronics, Co., Ltd.Inventors: Soon-Il Ahn, Byoung-Sun Na, Jeong-Young Lee, You-Lee Song
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Publication number: 20090230396Abstract: Provided are a thin-film transistor (TFT) substrate and a display device having the same. In the TFT substrate and the display device having the same, first and second drain electrodes of first and second TFTs connected to first and second pixel electrodes, respectively, are vertically bent a plurality of times. The distance between each of the first and second source electrodes and the first or second drain electrode is maintained at a minimum interline gap to increase the distance between a data line and each of the first and second drain electrodes and minimize the length of a region of each of the first and second drain electrodes adjacent to the data line. Consequently, a coupling capacitance between the data line and each of the first and second drain electrodes can be reduced, and each unit pixel region can have a uniform parasite capacitance within a predetermined range. In addition, the luminance deviation of a display device, which performs inversion driving, can be reduced.Type: ApplicationFiled: February 26, 2009Publication date: September 17, 2009Inventors: Hye-Seok NA, Won- Hee Lee, Ho-Kyoon Kwon, Byoung-Sun Na, Soon-Il Ahn, Ji-Hyun Kwon
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Publication number: 20090189839Abstract: A liquid crystal display including a liquid crystal display panel having a display area that displays an image in response to a gate signal and a data signal, and a peripheral area including first, second, third and fourth peripheral areas surrounding the display area; a plurality of gate drivers performing a scanning operating in response to a first control signal to output the gate signal, the gate drivers being arranged in the first peripheral area; a plurality of data drivers arranged in the second peripheral area adjacent to a gate driver that last performs the scanning operating among the gate drivers; and a signal transmission line connected to a gate driver that first performs the scanning operation among the gate drivers, and routed through the third and fourth peripheral areas opposite to the first and second peripheral areas, respectively, to provide the first control signal to the gate drivers.Type: ApplicationFiled: December 2, 2008Publication date: July 30, 2009Inventors: GWANG BUM KO, Byoung-Sun Na, Won-Hee Lee, Ho-Kyoon Kwon, Soon-Il Ahn, Ji-Hyun Kwon, Hye-Seok Na