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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Patent number: 8179491Abstract: A thin-film transistor (TFT) is provided. The TFT includes a gate electrode; a dielectric layer and an active layer which are formed on the gate electrode; and source and drain electrodes which are formed on the active layer, each of the source and drain electrodes including a plurality of protruding portions and an empty space between each protruding portion, wherein the source and drain electrodes are spaced apart from each other and engage with each other, and further wherein the gate and source electrodes overlap each other and the gate and drain electrodes overlap each other.Type: GrantFiled: February 4, 2009Date of Patent: May 15, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kee-Bum Park, Dong-Gyu Kim
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Patent number: 8164702Abstract: A display substrate includes; a dual transistor electrically connected to a first gate line and a data line, which is disposed in a direction substantially perpendicular to the first gate line, the dual transistor including a first drain electrode and a second drain electrode, a pixel electrode having a first pixel part and a second pixel part which are respectively connected to the first drain electrode and the second drain electrode, a connection transistor electrically connected to the second pixel part and a second gate line which is adjacent to the first gate line, the connection transistor comprising a connection drain electrode, a voltage-decreasing electrode extended from a connection drain electrode of the connection transistor a voltage-decreasing line extended in substantially the same direction as the first and second gate lines, and disposed on a data insulation layer overlapping the voltage-decreasing electrode and the data insulation layer.Type: GrantFiled: July 15, 2009Date of Patent: April 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kee-Bum Park, Eun Cho, Dong-Gyu Kim
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Publication number: 20120033170Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of slit portions disposed thereon. A portion of the slit portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.Type: ApplicationFiled: October 11, 2011Publication date: February 9, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Su-Jeong KIM, Jang-Kun SONG, Sung-Hwan HONG, Kee-Bum PARK, Seon-Ah CHO, Hye-Ran YOU, Su-Han WOO, Jae-Jin LYU, Eun CHO
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Publication number: 20110279358Abstract: An exemplary embodiment of a display panel according to the present invention includes; a substrate, a display area including a gate line disposed on the substrate, and a gate driver connected to one end of the gate line, the gate driver including a plurality of stages disposed in a first direction, and integrated on the substrate, wherein the gate driver includes; a plurality of clock signal lines extending in the first direction and a voltage signal line extending in the first direction, and the voltage signal line disposed between the plurality of clock signal lines and the plurality of stages.Type: ApplicationFiled: October 13, 2010Publication date: November 17, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kye-Uk LEE, Kee-Bum PARK, Byoung-Sun NA
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Patent number: 8059243Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of slit portions disposed thereon. A portion of the slit portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.Type: GrantFiled: June 30, 2009Date of Patent: November 15, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Su-Jeong Kim, Jang-Kun Song, Sung-Hwan Hong, Kee-Bum Park, Seon-Ah Cho, Hye-Ran You, Su-Han Woo, Jae-Jin Lyu, Eun Cho
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Publication number: 20110221727Abstract: A display panel includes first and second data lines and a first pixel column containing pixels that are alternately connected to the first and second data lines. In a method of driving the display panel, a second data voltage having a first polarity is outputted to the second data line during an N-th horizontal period. A first data voltage having a second polarity phase-inverted with respect to the first polarity and a first compensating voltage having the second polarity are respectively outputted to the first data line during first and second intervals of the N-th horizontal period. The first data voltage having the second polarity is outputted to the first data line during an (N+1)-th horizontal period. The second data voltage having the first polarity and a second compensating voltage having the first polarity are respectively outputted to the second data line during first and second intervals of the (N+1)-th horizontal period.Type: ApplicationFiled: November 1, 2010Publication date: September 15, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwi-Hyun KIM, Kee-Bum PARK, Byoung-Sun NA, Kyong-Sik CHOI
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Publication number: 20110216260Abstract: A display device includes a plurality of gate lines arranged substantially parallel to each other in a first direction; a plurality of charge share gate lines arranged substantially parallel to each other in the first direction; a plurality of data lines arranged substantially parallel to each other in a second direction, wherein the second direction is substantially perpendicular to the first direction; and a plurality of pixels arranged in a matrix form in along the first direction and the second direction and each of the plurality of pixels which includes a first switching element and a second switching element, wherein the a first gate line of the plurality of gate lines is electrically connected to the first switching element included in one individual pixel of the plurality of pixels, and the a second gate line of the plurality of gate lines is electrically connected to the second switching element included in the individual pixel of the plurality of pixels.Type: ApplicationFiled: December 9, 2010Publication date: September 8, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kee-Bum PARK, Si Hyun AHN, Kyong Sik CHOI, Seon-Kyoon MOK, Eun CHO
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Publication number: 20110075078Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a substrate, a gate line formed on the substrate, a data line intersecting the gate line and including a source electrode, a drain electrode facing the source electrode, a passivation layer formed on the data line and the drain electrode, a color filter formed on the passivation layer, a cover formed on the color filter and having a contact hole exposing the drain electrode, and a pixel electrode formed on the cover and connected to the drain electrode through the contact hole, wherein the cover includes a dummy hole exposing the color filter.Type: ApplicationFiled: July 23, 2010Publication date: March 31, 2011Inventors: YOUNG-JE CHO, Yoon-Jang Kim, Yun-Jung Cho, Kweon-Sam Hong, Yong-Jo Kim, Kee-Bum Park, Seon-Kyoon Mok, Woo-Jung Shin, Dong-Ho Shin, Kook-Hyun Choi
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Publication number: 20110063557Abstract: The present invention relates to a liquid crystal display. A liquid crystal display according to exemplary embodiments of the present invention includes a substrate, and a pixel electrode formed on the substrate and including a plurality of minute branches. The pixel electrode includes a first region and a second region where a first distance and a second distance are provided according to an interval between the respective neighboring minute branches, wherein the second distance that is larger than the first distance, and a third region is provided between the first region and the second region, and the position of the third region having an interval between the neighboring minute branches is gradually changed.Type: ApplicationFiled: March 12, 2010Publication date: March 17, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Yoon-Jang Kim, Byoung-Sun Na, In-Ho Park, Kee-Bum Park, Yun-Jung Cho
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Publication number: 20100157185Abstract: A liquid crystal display includes: a gate line disposed on a substrate to transmit a first gate signal to switching elements; a data line crossing the gate line to transmit a data voltage to the switching elements; a boosting gate line disposed on the substrate to transmit a second gate signal; a pixel electrode disposed on the substrate and including a first subpixel electrode and a second subpixel electrode; a first switching element connected to the first subpixel electrode; a second switching element connected to the second subpixel electrode; a boosting capacitor including a first terminal connected to the first subpixel electrode; a third switching element connected to a second terminal of the boosting capacitor; and a fourth switching element including a gate electrode connected to the boosting gate line, a source electrode connected to the second subpixel electrode, and a drain electrode connected to the second terminal.Type: ApplicationFiled: September 23, 2009Publication date: June 24, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yoon-Jang KIM, Kyung-Ho Park, Sung-Jae Moon, Kee-Bum Park
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Publication number: 20100157232Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of slit portions disposed thereon. A portion of the slit portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.Type: ApplicationFiled: June 30, 2009Publication date: June 24, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Su-Jeong KIM, Jang-Kun SONG, Sung-Hwan HONG, Kee-Bum PARK, Seon-Ah CHO, Hye-Ran YOU, Su-Han WOO, Jae-Jin LYU, Eun CHO
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Publication number: 20100141860Abstract: 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: ApplicationFiled: May 4, 2009Publication date: June 10, 2010Inventors: Yoon-Jang KIM, Dong-Gyu Kim, Eun Cho, Yeong-Keun Kwon, Kee-Bum Park
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Publication number: 20100066658Abstract: A liquid crystal display (“LCD”) has first, second, and third pixels adjacent to one another in a column direction. The LCD includes a first gate line connected to each of the second and third pixels in common, a capacitance electrode line connected to each of the first and second pixels in common, a first data line connected to the second pixel, and a second data line connected to the first and third pixels.Type: ApplicationFiled: June 9, 2009Publication date: March 18, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yoon-Jang KIM, Seong-Young LEE, Yeong-Keun KWON, Kee-Bum PARK, Kyung-Ho PARK
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Publication number: 20100020259Abstract: A display substrate includes; a dual transistor electrically connected to a first gate line and a data line, which is disposed in a direction substantially perpendicular to the first gate line, the dual transistor including a first drain electrode and a second drain electrode, a pixel electrode having a first pixel part and a second pixel part which are respectively connected to the first drain electrode and the second drain electrode, a connection transistor electrically connected to the second pixel part and a second gate line which is adjacent to the first gate line, the connection transistor comprising a connection drain electrode, a voltage-decreasing electrode extended from a connection drain electrode of the connection transistor a voltage-decreasing line extended in substantially the same direction as the first and second gate lines, and disposed on a data insulation layer overlapping the voltage-decreasing electrode and the data insulation layer.Type: ApplicationFiled: July 15, 2009Publication date: January 28, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kee-Bum PARK, Eun CHO, Dong-Gyu KIM
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Publication number: 20100020257Abstract: A liquid crystal display device including a first substrate, a second substrate which faces the first substrate and a liquid crystal layer which is interposed between the first and second substrates. The first substrate comprises an insulating substrate, a gate line which is disposed on the insulating substrate, data wires which comprises first and second data lines insulatedly crossing the gate line. The first substrate includes a first drain electrode electrically connected with the first data line, and a second drain electrode electrically connected with the second data line, a pixel electrode which comprises a first sub-pixel electrode electrically connected with one of the first and second drain electrodes, and a second sub-pixel electrode separated from the first sub-pixel electrode and electrically connected with the other one of the first and second drain electrodes. A semiconductor layer is disposed between the data wires and the insulating substrate.Type: ApplicationFiled: July 23, 2008Publication date: January 28, 2010Inventors: Sahng-Ik Jun, Seong-Young Lee, Yoon-Jang Kim, Kee-bum Park
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Publication number: 20090195743Abstract: Provided is a liquid crystal display (LCD), the LCD includes: an insulating substrate; a first gate line and a second gate line which are formed on the insulating substrate and extend parallel to each other; a data line formed on the insulating substrate, insulated from the first and second gate lines, and crosses the first and second gate lines; a first subpixel electrode connected to the first gate line and the data line by a first switching device and includes a plurality of first fine protruding patterns at an edge thereof; and a second subpixel electrode connected to the second gate line and the data line by a second switching device and includes a plurality of second fine protruding patterns at an edge thereof, wherein the first fine protruding patterns are separated from each other by a first gap, and the second fine protruding patterns are separated from each other by a second gap, wherein the sum of a width of the first gap and a width of each of the first fine protruding patterns is greater than theType: ApplicationFiled: January 30, 2009Publication date: August 6, 2009Inventors: Dong-Gyu Kim, Sahng-Ik Jun, Seung-Soo Baek, Kee-Bum Park
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Publication number: 20090195724Abstract: A thin-film transistor (TFT) is provided. The TFT includes a gate electrode; a dielectric layer and an active layer which are formed on the gate electrode; and source and drain electrodes which are formed on the active layer, each of the source and drain electrodes including a plurality of protruding portions and an empty space between each protruding portion, wherein the source and drain electrodes are spaced apart from each other and engage with each other, and further wherein the gate and source electrodes overlap each other and the gate and drain electrodes overlap each other.Type: ApplicationFiled: February 4, 2009Publication date: August 6, 2009Inventors: Kee-Bum PARK, Dong-Gyu Kim
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Publication number: 20090184946Abstract: 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: November 21, 2008Publication date: July 23, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK