Patents by Inventor Kee-Bum Park
Kee-Bum Park 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: 20170192317Abstract: A liquid crystal display device includes a gate line in a first direction, a data line in a second direction intersecting the first direction, a pixel including a first region having a transistor connected to the gate and data lines, and a contact hole connecting the transistor to a pixel electrode, and a second region having the pixel electrode, wherein a length of a first width along the first direction on the first region is longer than a length of a second width along the second direction on the first region, and wherein a length of a third width along the first direction on the second region is longer than a length of a fourth width along the second direction on the second region.Type: ApplicationFiled: July 19, 2016Publication date: July 6, 2017Inventors: Hyung Jin SONG, Kyung Ho KIM, Kee Bum PARK, Dong Hee SHIN
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Publication number: 20170184932Abstract: A liquid display device is provided. The liquid crystal display device includes a first base substrate, a first signal line disposed on the first base substrate and extended in a first direction, a second signal line disposed on the first base substrate, extended in a second direction intersecting the first direction, and insulated from the first signal line, a thin film transistor disposed on the first base substrate and electrically connected to the first signal line and the second signal line, a pixel electrode electrically connected to the thin film transistor, and a shield pattern disposed on a same layer as but spaced apart from the pixel electrode, overlapped with the thin film transistor, and including a material same as a material of the pixel electrode.Type: ApplicationFiled: December 14, 2016Publication date: June 29, 2017Inventors: Kee Bum PARK, Hyung Jin SONG, Jae Won KIM, Yoo Mi RA, Do Yeong PARK, Kye Uk LEE
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Publication number: 20170154598Abstract: A display panel includes a plurality of first pixel rows comprising a plurality of first pixels which is connected to a plurality of first data lines, a plurality of second pixel rows comprising a plurality of second pixels which is connected to a plurality of second data lines disconnected to the plurality of first data lines, and a plurality of third pixel rows comprising the plurality of first pixels and the plurality of second pixels, the plurality of third pixel rows which are arranged between the plurality of first pixel rows and the plurality of second pixel rows.Type: ApplicationFiled: November 7, 2016Publication date: June 1, 2017Inventors: KEE-BUM PARK, SEUNGSOO BAEK, KYE-UK LEE, YOOMI RA
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Patent number: 9666147Abstract: A data driving apparatus includes a first data driver and a second data driver. The first data driver is configured to generate data signals to data lines of a display panel, and includes data pads configured to output the data signals, a first common voltage pad configured to output a common voltage to the display panel, and a gate driving signal pad configured to output a gate driving signal to a gate driver, which is configured to output a gate signal to a gate line of the display panel. The second data driver is disposed between two first data drivers; is configured to generate the data signal provided to the data line; and includes a second common voltage pad configured to output the common voltage to the display panel. Thus, a width of a bezel of the display apparatus may be decreased.Type: GrantFiled: August 13, 2014Date of Patent: May 30, 2017Assignee: Samsung Display Co., Ltd.Inventors: Kee-Bum Park, Kyung-Ho Kim
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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: 9625777Abstract: A liquid crystal display includes a substrate, a gate line, a data line, first and second reference voltage lines disposed on the substrate, first and second subpixel electrodes disposed in one pixel area, and first to third switching elements. The first and second reference voltage lines apply first and second reference voltages. The first and second subpixel electrodes include a plate portion and a plurality of branch portions extending from the plate portion. The first and second reference voltage lines include a first portion overlapping the first subpixel electrode and the second subpixel electrode. The first portion overlaps the plate portion of the first and second subpixel electrodes. A voltage difference between the first subpixel electrode and a common voltage is larger than a voltage difference between the second subpixel electrode and the common voltage.Type: GrantFiled: November 19, 2014Date of Patent: April 18, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hee Shin, Youn Hak Jeong, Ho Jun Lee, Yoo Mi Ra, Kee-Bum Park, Hong Min Yoon
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Patent number: 9612478Abstract: A curved display device includes a display substrate curved in a first direction and including a plurality of pixel areas, and each of the plurality of pixel areas including a first sub-pixel area and a second sub-pixel area, an opposite substrate facing the display substrate, the opposite substrate coupled to the display substrate and curved in the first direction together with the display substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate, where first domains are defined in the first sub-pixel area along a second direction crossing the first direction, second domains are defined in the second sub-pixel area along the second direction, and a width in the second direction of each of the first domains is equal to a width in the second direction of each of the second domains.Type: GrantFiled: November 3, 2014Date of Patent: April 4, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minwook Park, Kee-Bum Park
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Publication number: 20170084239Abstract: A gate driving circuit includes a plurality of stages, a k-th stage (where k is a natural number) of the plurality of stages being configured to receive a clock signal, a (k?1)-th carry signal from a (k?1)-th stage of the plurality of stages, a (k+1)-th carry signal from a (k+1)-th stage of the plurality of stages, a (k+2)-th carry signal from a (k+2)-th stage of the plurality of stages, a first ground voltage, a second ground voltage, and a third ground voltage, and to output a k-th gate signal and a k-th carry signal, the k-th stage including a first pull down circuit configured to discharge the k-th gate signal as the third ground voltage in response to the (k+1)-th carry signal, and the third ground voltage having a lower voltage level than the first ground voltage and having a higher voltage level than the second ground voltage.Type: ApplicationFiled: May 19, 2016Publication date: March 23, 2017Inventors: Kye-uk Lee, Kee-bum Park, Sihyun Ahn, Jaewon Kim, Byoungsun Na, Yoomi Ra
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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: 9542901Abstract: A display device includes a display substrate, on which a display area and a non-display area are defined, a plurality of gate lines arranged in the display area to extend in a first direction, a gate driving unit including a plurality of stages which outputs gate signals to the plurality of gate lines, and a plurality of pixel rows disposed in the display area and connected to the plurality of gate lines, where a driving area and an electrode area are defined in the display area between two adjacent pixel rows in a second direction among the plurality of pixel rows, at least a part of the plurality of stages is disposed in the driving area, and a compensation electrode is disposed in the electrode area.Type: GrantFiled: September 4, 2014Date of Patent: January 10, 2017Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Kyung Ho Kim, Kee Bum Park
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Publication number: 20170003557Abstract: A thin film transistor array panel includes a first subpixel electrode and a second subpixel electrode electrically connected with a drain electrode through a first contact hole and a second contact hole, respectively. The first subpixel electrode and the second subpixel electrode include a plurality of vertical stems, a plurality of horizontal stems, and a plurality of branch electrodes. The first subpixel electrode is formed above a gate line and the second subpixel electrode is formed below a gate line. The thin film transistor array panel further includes a first protrusion formed in the plurality of vertical stems of the first subpixel electrode and the plurality of vertical stems of the second subpixel electrode.Type: ApplicationFiled: September 14, 2016Publication date: January 5, 2017Inventors: Hee Hwan LEE, Kyu Su AHN, Kyung Ho KIM, Kee Bum PARK
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Publication number: 20160377934Abstract: A liquid crystal display includes a first display substrate including a plurality of pixel electrodes corresponding to a plurality of pixels, respectively, a second display substrate disposed opposite to the first display substrate; and a liquid crystal layer disposed between the first and second display substrates, where each of the pixel electrodes includes first and second subpixel electrodes, which are disposed near each other in a first direction and each include a plurality of minute branches, the first subpixel electrode is divided into a plurality of first-subpixel areas including a first first-subpixel area, in which the minute branches extend in a first diagonal direction, and the second subpixel electrode includes a plurality of second-subpixel areas including a first second-subpixel area, which is disposed near the first first-subpixel area in the first direction and in which the minute branches extend in the first diagonal direction.Type: ApplicationFiled: January 25, 2016Publication date: December 29, 2016Inventors: Kee Bum PARK, Yoo Mi RA, Hyung Jin SONG, Kye Uk LEE
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Patent number: 9508748Abstract: A thin film transistor display panel includes: a substrate; a gate line and a storage electrode line on the substrate; a gate insulating layer on the gate line; a semiconductor layer on the gate insulating layer; a data line, a drain electrode and a divided-voltage reference voltage line on the semiconductor layer; a passivation layer covering the data line, the drain electrode and the divided-voltage reference voltage line; and a first sub-pixel electrode and a second sub-pixel electrode electrically connected to the drain electrode through a contact hole defined in the passivation layer and including a plurality of pixel branch electrodes, where the divided-voltage reference voltage line divides a first or second sub-pixel area, which is defined by the first or second sub-pixel electrode, into two regions, and each of the two regions has three sides defined by the divided-voltage reference voltage line and an open side.Type: GrantFiled: August 26, 2014Date of Patent: November 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee-Bum Park, Kyung Ho Kim
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Patent number: 9500898Abstract: A liquid crystal display according to an embodiment of the present invention includes: a first substrate; a plurality of color filters formed on the first substrate and arranged in a matrix with an island shape; a plurality of pixel electrodes formed on the color filters; and a capacitor disposed between neighboring color filters in a column direction among the color filters, wherein two terminals forming the capacitor are disposed at a portion outside a position overlapping the color filters.Type: GrantFiled: June 20, 2013Date of Patent: November 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Yoon-Jang Kim, Dong-Gyu Kim, Eun Cho, Yeong-Keun Kwon, Kee-Bum Park
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Patent number: 9495932Abstract: A substantially rectangular display panel includes a first edge extending in a first major axis direction of the rectangular shape and a second edge extending in a second major axis direction of the rectangular shape, the second direction being different from the first direction. The display panel includes: a plurality of gate lines extending in the first direction; and a gate lines driver including a plurality of main stages sequentially connected to each other and configured for outputting gate signals to the gate lines, where the plurality of stages further includes one or more dummy stages arranged in a row along the second edge and not connected to the plurality of gate lines, and where a layout arrangement of a plurality of thin film transistors included in the main stage is different from a corresponding layout arrangement of corresponding thin film transistors included in the at least one dummy stage.Type: GrantFiled: March 1, 2016Date of Patent: November 15, 2016Assignee: Samsung Display Co., Ltd.Inventors: Kee-Bum Park, Kyung Ho Kim, Hyuk-Jin Kim, Dong Hee Shin, Byoung Sun Na
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Publication number: 20160320647Abstract: Disclosed herein is a thin film transistor substrate, including: an insulating substrate having a dummy area and a display area; a signal line formed in the dummy area on the insulating substrate; a switching element positioned in the display area on the insulating substrate; a color filter layer positioned in the display area on the insulating substrate and exposing a portion of the switching element through at least one contact hole; and a dummy color filter layer positioned on the dummy area on the insulating substrate and exposing a portion of the signal line through at least one dummy contact hole, wherein the at least one dummy contact hole formed on the dummy color filter layer and the at least one contact hole formed on the color filter layer are formed on the same position in a plane view.Type: ApplicationFiled: February 18, 2016Publication date: November 3, 2016Inventors: Dong Hee SHIN, Kyung Ho KIM, Ho Kyung KIM, Yoo Mi RA, Kee-Bum PARK
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Publication number: 20160307517Abstract: A display device includes a plurality of pixels disposed in an display area, and a pixel driver connected to at least two of the pixels, wherein the pixel driver drives the at least two pixels, where a portion of the pixel driver is disposed in the display area, and the display device includes the display area, on which an image is displayed, and a non-display area, on which no image is displayed.Type: ApplicationFiled: June 28, 2016Publication date: October 20, 2016Inventors: Kee-Bum PARK, Hyuk-Jin KIM, Byoung Sun NA
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Patent number: 9465263Abstract: A liquid crystal display device includes a first substrate, a gate line disposed on the first substrate, a data line disposed on the first substrate and intersecting the gate line, and a pixel electrode disposed in a pixel region at least partially defined by the gate line and the data line, and overlapping the data line, the pixel electrode including first and second sub-pixel electrodes separated from each other. Each of the first and second sub-pixel electrodes includes a horizontal stem extending in a direction intersecting the data line, and branches connected to the horizontal stem.Type: GrantFiled: November 11, 2014Date of Patent: October 11, 2016Assignee: Samsung Display Co., Ltd.Inventors: Kee Bum Park, Kyung Ho Kim, Hyung Jin Song
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Patent number: 9448455Abstract: A thin film transistor array panel includes a first subpixel electrode and a second subpixel electrode electrically connected with a drain electrode through a first contact hole and a second contact hole, respectively. The first subpixel electrode and the second subpixel electrode include a plurality of vertical stems, a plurality of horizontal stems, and a plurality of branch electrodes. The first subpixel electrode is formed above a gate line and the second subpixel electrode is formed below a gate line. The thin film transistor array panel further includes a first protrusion formed in the plurality of vertical stems of the first subpixel electrode and the plurality of vertical stems of the second subpixel electrode.Type: GrantFiled: March 18, 2015Date of Patent: September 20, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Hwan Lee, Kyu Su Ahn, Kyung Ho Kim, Kee Bum Park
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Patent number: 9406266Abstract: A display device includes a plurality of pixels disposed in an display area, and a pixel driver connected to at least two of the pixels, wherein the pixel driver drives the at least two pixels, where a portion of the pixel driver is disposed in the display area, and the display device includes the display area, on which an image is displayed, and a non-display area, on which no image is displayed.Type: GrantFiled: March 27, 2013Date of Patent: August 2, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na