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).

  • Publication number: 20150042939
    Abstract: A liquid crystal display includes: a thin film transistor array panel; a counter panel opposite to the thin film transistor array panel; a liquid crystal layer between the thin film transistor array panel and the counter panel; and pixel electrodes in the thin film transistor array panel, where each of the pixel electrodes includes a first sub-pixel electrode and a second sub-pixel electrode, where each of the first and second sub-pixel electrodes is divided into sub-regions by domain dividers, which controls pretilt angles of liquid crystal molecules of the liquid crystal layer, vertically adjacent pixel electrodes includes an upper pixel electrode and a lower pixel electrode, and the pretilt angles of the liquid crystal molecules in two bottom sub-regions of the second sub-pixel electrode of the upper pixel electrode and in two top sub-regions of the first sub-pixel electrode of the lower pixel electrode are opposite to each other.
    Type: Application
    Filed: January 9, 2014
    Publication date: February 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kee-Bum PARK, Kyung Ho KIM, Ho Kyung KIM, Yoo Mi RA, Dong Hee SHIN
  • Publication number: 20150036073
    Abstract: A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction.
    Type: Application
    Filed: May 28, 2014
    Publication date: February 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Wan-Soon IM, MinWook PARK, SuWan WOO, Eun-Kil PARK, Jeongman Son, Changil TAE, Kee-Bum PARK, Kyung-Bae KIM, JE HYEONG PARK, JOOHWAN PARK, YU DEOK SEO, Seungho YANG, SEJOON OH, HEEHWAN LEE
  • Publication number: 20150029449
    Abstract: A curved display device curved in a first direction includes: a first substrate including a plurality of signal lines, an insulating layer which covers the signal lines, a pixel electrode disposed on the insulating layer, and a shielding electrode electrically insulated from the pixel electrode and disposed along a signal line, which extends substantially in a second direction crossing the first direction, among the signal lines; a second substrate disposed opposite to the first substrate and including a common electrode; and a light control layer interposed between the first substrate and the second substrate.
    Type: Application
    Filed: December 23, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: SuWan WOO, Wan-Soon IM, Kee-Bum PARK, YOUNGGOO SONG, HEEHWAN LEE, yongwoo HYUNG
  • Publication number: 20150009465
    Abstract: Provided is a liquid crystal display capable of reducing a texture by increasing a liquid crystal control ability. The liquid crystal display includes a first electrode and a second electrode facing each other with a liquid crystal layer therebetween. The first electrode includes a horizontal extension forming a boundary between adjacent subregions and a vertical extension connected to the horizontal extension, and the horizontal extension includes a portion which has a largest width at a position proximate to the vertical extension, and which has a smaller width at a position farther from the vertical extension.
    Type: Application
    Filed: November 26, 2013
    Publication date: January 8, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kee-Bum PARK, Dong Hee SHIN, Kyung Ho KIM, Ho Kyung KIM, Yoo Mi RA
  • Patent number: 8901564
    Abstract: An array substrate includes a base substrate and a contact part. The contact part is disposed on the base substrate. The contact part includes a first metal pattern, a disconnection control pattern and a connecting pattern. The second metal pattern is disposed on a layer different from the first metal pattern, the disconnection control pattern overlaps a side surface of the second metal pattern and a connecting pattern is formed on the first and second metal patterns and the disconnection control pattern and connects the first metal pattern with the second metal pattern.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang-Il Kim, Jae-Jin Song, Sung-Hee Hong, Hyuk-Jin Kim, Kee-Bum Park, Byoung-Sun Na
  • Publication number: 20140125899
    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 crossing 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 including 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 t
    Type: Application
    Filed: January 8, 2014
    Publication date: May 8, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Gyu Kim, Sahng-Ik Jun, Seung-Soo Baek, Kee-Bum Park
  • Publication number: 20140118654
    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: January 7, 2014
    Publication date: May 1, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK
  • Publication number: 20140118655
    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: January 7, 2014
    Publication date: May 1, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Soon-Il AHN, Seung-Soo BAEK, Seong-Young LEE, Kee-Bum PARK
  • Patent number: 8711318
    Abstract: 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: Grant
    Filed: November 21, 2008
    Date of Patent: April 29, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
  • Patent number: 8643816
    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: Grant
    Filed: January 30, 2009
    Date of Patent: February 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Gyu Kim, Sahng-Ik Jun, Seung-Soo Baek, Kee-Bum Park
  • Publication number: 20140028534
    Abstract: 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: Application
    Filed: December 21, 2012
    Publication date: January 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kee-Bum PARK, Kyung Ho KIM, Hyuk-Jin KIM, Dong Hee SHIN, Byoung Sun NA
  • Publication number: 20130321499
    Abstract: 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: Application
    Filed: March 27, 2013
    Publication date: December 5, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kee-Bum PARK, Hyuk-Jin KIM, Byoung Sun NA
  • Publication number: 20130278874
    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: June 20, 2013
    Publication date: October 24, 2013
    Inventors: Yoon-Jang KIM, Dong-Gyu KIM, Eun CHO, Yeong-Keun KWON, Kee-Bum PARK
  • Patent number: 8477253
    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: Grant
    Filed: May 4, 2009
    Date of Patent: July 2, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Jang Kim, Dong-Gyu Kim, Eung Cho, Yeong-Keun Kwon, Kee-Bum Park
  • Publication number: 20130087793
    Abstract: An array substrate includes a base substrate and a contact part. The contact part is disposed on the base substrate. The contact part includes a first metal pattern, a disconnection control pattern and a connecting pattern. The second metal pattern is disposed on a layer different from the first metal pattern, the disconnection control pattern overlaps a side surface of the second metal pattern and a connecting pattern is formed on the first and second metal patterns and the disconnection control pattern and connects the first metal pattern with the second metal pattern.
    Type: Application
    Filed: July 19, 2012
    Publication date: April 11, 2013
    Inventors: Jang-Il Kim, Jae-Jin Song, Sung-Hee Hong, Hyuk-Jin Kim, Kee-Bum Park, Byoung-Sun Na
  • Patent number: 8395737
    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: October 11, 2011
    Date of Patent: March 12, 2013
    Assignee: Samsung Display 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
  • Patent number: 8390769
    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: Grant
    Filed: July 23, 2010
    Date of Patent: March 5, 2013
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 8368826
    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: Grant
    Filed: September 23, 2009
    Date of Patent: February 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Jang Kim, Kyung-Ho Park, Sung-Jae Moon, Kee-Bum Park
  • Patent number: 8279385
    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: Grant
    Filed: March 12, 2010
    Date of Patent: October 2, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Jang Kim, Byoung-Sun Na, In-Ho Park, Kee-Bum Park, Yun-Jung Cho
  • Publication number: 20120200818
    Abstract: A liquid crystal display includes a plurality of pixels arranged in a matrix, each pixel having a first sub-pixel electrode and a second sub-pixel electrode. A first thin film transistor is connected to the first sub-pixel electrode. A second thin film transistor is connected to the second sub-pixel electrode. A third thin film transistor is connected to the second sub-pixel electrode. A fourth thin film transistor is connected to a drain electrode of the third thin film transistor. A first gate line is connected to the first thin film transistor and the second thin film transistor. A data line is connected to the first thin film transistor and the second thin film transistor. A second gate line is connected to the third thin film transistor. A third gate line is connected to the fourth thin film transistor.
    Type: Application
    Filed: September 23, 2011
    Publication date: August 9, 2012
    Inventors: CHANG-SOO LEE, Kee-Bum PARK, Yun Jae PARK, Jong Jae LEE, Hoi Sik MOON