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).

  • Patent number: 8179491
    Abstract: 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: Grant
    Filed: February 4, 2009
    Date of Patent: May 15, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kee-Bum Park, Dong-Gyu Kim
  • Patent number: 8164702
    Abstract: 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: Grant
    Filed: July 15, 2009
    Date of Patent: April 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kee-Bum Park, Eun Cho, Dong-Gyu Kim
  • Publication number: 20120033170
    Abstract: 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: Application
    Filed: October 11, 2011
    Publication date: February 9, 2012
    Applicant: 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
  • Publication number: 20110279358
    Abstract: 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: Application
    Filed: October 13, 2010
    Publication date: November 17, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kye-Uk LEE, Kee-Bum PARK, Byoung-Sun NA
  • Patent number: 8059243
    Abstract: 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: Grant
    Filed: June 30, 2009
    Date of Patent: November 15, 2011
    Assignee: 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
  • Publication number: 20110221727
    Abstract: 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: Application
    Filed: November 1, 2010
    Publication date: September 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwi-Hyun KIM, Kee-Bum PARK, Byoung-Sun NA, Kyong-Sik CHOI
  • Publication number: 20110216260
    Abstract: 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: Application
    Filed: December 9, 2010
    Publication date: September 8, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kee-Bum PARK, Si Hyun AHN, Kyong Sik CHOI, Seon-Kyoon MOK, Eun CHO
  • Publication number: 20110075078
    Abstract: 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: Application
    Filed: July 23, 2010
    Publication date: March 31, 2011
    Inventors: 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
  • Publication number: 20110063557
    Abstract: 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: Application
    Filed: March 12, 2010
    Publication date: March 17, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yoon-Jang Kim, Byoung-Sun Na, In-Ho Park, Kee-Bum Park, Yun-Jung Cho
  • Publication number: 20100157185
    Abstract: 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: Application
    Filed: September 23, 2009
    Publication date: June 24, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon-Jang KIM, Kyung-Ho Park, Sung-Jae Moon, Kee-Bum Park
  • Publication number: 20100157232
    Abstract: 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: Application
    Filed: June 30, 2009
    Publication date: June 24, 2010
    Applicant: 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
  • Publication number: 20100141860
    Abstract: 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: Application
    Filed: May 4, 2009
    Publication date: June 10, 2010
    Inventors: Yoon-Jang KIM, Dong-Gyu Kim, Eun Cho, Yeong-Keun Kwon, Kee-Bum Park
  • Publication number: 20100066658
    Abstract: 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: Application
    Filed: June 9, 2009
    Publication date: March 18, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon-Jang KIM, Seong-Young LEE, Yeong-Keun KWON, Kee-Bum PARK, Kyung-Ho PARK
  • Publication number: 20100020259
    Abstract: 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: Application
    Filed: July 15, 2009
    Publication date: January 28, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kee-Bum PARK, Eun CHO, Dong-Gyu KIM
  • Publication number: 20100020257
    Abstract: 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: Application
    Filed: July 23, 2008
    Publication date: January 28, 2010
    Inventors: Sahng-Ik Jun, Seong-Young Lee, Yoon-Jang Kim, Kee-bum Park
  • Publication number: 20090195743
    Abstract: 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 the
    Type: Application
    Filed: January 30, 2009
    Publication date: August 6, 2009
    Inventors: Dong-Gyu Kim, Sahng-Ik Jun, Seung-Soo Baek, Kee-Bum Park
  • Publication number: 20090195724
    Abstract: 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: Application
    Filed: February 4, 2009
    Publication date: August 6, 2009
    Inventors: Kee-Bum PARK, Dong-Gyu Kim
  • Publication number: 20090184946
    Abstract: 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: Application
    Filed: November 21, 2008
    Publication date: July 23, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK