Patents by Inventor So-Youn Park

So-Youn 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: 20150085233
    Abstract: A liquid crystal display includes: a first substrate; a gate line and a data line disposed on the first substrate; a passivation layer disposed on the gate line and the data line; a first electrode and a second electrode disposed on the passivation layer; and a first insulating layer interposed between the first and second electrodes, where the first and second electrodes overlap each other via the first insulating layer, the second electrode includes a plurality of branch electrodes, and an end portion of the plurality of branch electrodes includes a first side portion and a second side portion extending parallel to the data line, and an oblique portion which connects the first side portion and the second side portion to each other and forms a first angle of less than 90 degrees with an extending line of the first side portion.
    Type: Application
    Filed: September 22, 2014
    Publication date: March 26, 2015
    Inventors: Mi Suk KIM, Chang-Hun LEE, Tae Ho KIM, Si Heun KIM, So Youn PARK, Keun Chan OH, Daisuke INOUE
  • Publication number: 20140146277
    Abstract: A liquid crystal display apparatus includes a first substrate, a first electrode on the first substrate, a second electrode overlapping the first electrode and including a plurality of conductive patterns elongated in a first direction, and a light shielding layer overlapping an outermost conductive pattern of the second electrode.
    Type: Application
    Filed: April 5, 2013
    Publication date: May 29, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Daisuke INOUE, Mi-Suk KIM, Tae-Ho KIM, So-Youn PARK, Da-Hye CHO, Keun-Chan OH
  • Patent number: 8399074
    Abstract: In an exemplary embodiment of the present invention, the content ratio of polar and neutral compounds in a liquid crystal layer is controlled, or a coupling agent that is well adapted to those compounds is used as a material for a sealant, thereby stably maintaining the display quality of the liquid crystal display even at low temperatures.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: March 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Youn Park, Duck-Jong Suh, Won-Gap Yoon
  • Patent number: 8199290
    Abstract: A display device includes a display panel, a backlight assembly providing a light to the display panel, a receiving container receiving the backlight assembly and a heat sink member disposed between the backlight assembly and the receiving container. The display panel includes a first substrate including a pixel electrode formed on a pixel region and electrically connected to a switching device, a first alignment layer formed on the pixel electrode, a second substrate including a common electrode layer facing the first substrate, a second alignment layer formed on the common electrode layer, and a liquid crystal layer including a liquid crystal composition having a nematic-to-isotropic transition temperature higher than about 80° C. Thus, black bruising of liquid crystal may be prevented and/or reduced, thereby enhancing a display quality.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: June 12, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Jeong Huh, Nam-Seok Lee, Won-Gap Yoon, So-Youn Park, Si-Heun Kim
  • Publication number: 20110205463
    Abstract: A display device includes a display panel, a backlight assembly providing a light to the display panel, a receiving container receiving the backlight assembly and a heat sink member disposed between the backlight assembly and the receiving container. The display panel includes a first substrate including a pixel electrode formed on a pixel region and electrically connected to a switching device, a first alignment layer formed on the pixel electrode, a second substrate including a common electrode layer facing the first substrate, a second alignment layer formed on the common electrode layer, and a liquid crystal layer including a liquid crystal composition having a nematic-to-isotropic transition temperature higher than about 80° C. Thus, black bruising of liquid crystal may be prevented and/or reduced, thereby enhancing a display quality.
    Type: Application
    Filed: December 30, 2010
    Publication date: August 25, 2011
    Inventors: Soo-Jeong Huh, Nam-Seok Lee, Won-Gap Yoon, So-Youn Park, Si-Heun Kim
  • Patent number: 7875326
    Abstract: A liquid crystal display comprises: a first substrate; a second substrate facing the first substrate; a liquid crystal layer formed between the first substrate and the second substrate, a first electrode formed on one of the first substrate and the second substrate, and a second electrode formed on one of the first substrate and the second substrate. The second electrode forms an electric field to a liquid crystal layer along with the first electrode, and the liquid crystal layer comprises about 25-35 wt % of a compound represented by Chemical Formula 1, and about 9-11 wt % of a compound represented by Chemical Formula 8. wherein X is an alkyl with a carbon number of 2, and Y is an alkenyl. wherein X is an alkyl with a carbon number of 3-7.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: January 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Hyup Lee, Duck-Jong Suh, Won-Gap Yoon, So-Youn Park
  • Publication number: 20100309422
    Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, a seal line and an outer spacer. The first substrate includes a display area on which a plurality of thin film transistors are formed, and a peripheral area surrounding the display area. The second substrate is opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal line is formed between the first substrate and the second substrate in the peripheral area to confine the liquid crystal between the first and second substrates. The outer spacers are disposed in the peripheral area, and inwardly spaced apart from the seal line by a separation distance thereby preventing liquid crystal from being polluted by particles of an uncured seal line during manufacturing.
    Type: Application
    Filed: August 16, 2010
    Publication date: December 9, 2010
    Inventors: So-Youn PARK, Byoung-Hun Sung, Bong-Sung Seo
  • Patent number: 7807237
    Abstract: Disclosed are a liquid crystal composition and a liquid crystal display using the same. The liquid crystal composition includes a polar compound and a low-viscosity compound. The liquid crystal display includes first and second substrates that face each other, and first and second electrodes disposed on the first and second substrates, respectively. A liquid crystal layer including the liquid crystal composition is disposed between the first and second substrates.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-Jung Huh, Nam-Seok Lee, Jeong-Uk Heo, Duck-Jong Suh, So-Youn Park
  • Patent number: 7796232
    Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, a seal line and an outer spacer. The first substrate includes a display area on which a plurality of thin film transistors are formed, and a peripheral area surrounding the display area. The second substrate is opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal line is formed between the first substrate and the second substrate in the peripheral area to confine the liquid crystal between the first and second substrates. The outer spacers are disposed in the peripheral area, and inwardly spaced apart from the seal line by a separation distance thereby preventing liquid crystal from being polluted by particles of an uncured seal line during manufacturing.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: September 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: So-Youn Park, Byoung-Hun Sung, Bong-Sung Seo
  • Patent number: 7796233
    Abstract: A liquid crystal display includes a first substrate having a display area and a peripheral area and including a plurality of pixels formed in the display area, a second substrate facing the first substrate, and a plurality of first groups of bead spacers and a plurality of second groups of bead spacers disposed between the first substrate and the second substrate. The first groups of bead spacers have a different size or different elasticity coefficient than the second groups of bead spacers, and include a plurality of bead spacers, respectively.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: September 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: So-Youn Park, Bong-Sung Seo, Jeong-Uk Heo, Byoung-Hun Sung, Baek-Kyun Jeon
  • Patent number: 7733434
    Abstract: A liquid crystal display, including a thin film transistor array panel, a common electrode panel including a common electrode and facing the thin film transistor array panel, and a liquid crystal layer disposed between the thin film transistor array panel and the common electrode panel, wherein the thin film transistor array panel, includes a substrate, gate lines formed on the substrate, data lines intersecting, and insulated from, the gate lines, pixel electrodes formed in intersection areas of the gate and data lines, first thin film transistors electrically connected to the gate lines, the data lines, and the pixel electrodes, and buffer electrodes being supplied with a first voltage higher than a second voltage of the pixel electrodes when a corresponding pixel electrode is supplied with a data voltage and located at a boundary of the intersection areas in which they are formed and overlapping a portion of the gate line adjacent to the boundary.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: June 8, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Lae Kim, Byeong-Seob Ban, So-Youn Park, Joon-Hak Oh
  • Publication number: 20100097562
    Abstract: The present invention discloses a liquid crystal composition and a liquid crystal display including the same. The liquid crystal composition includes: a first non-polar liquid crystal compound represented by the following Formula 1; a second non-polar liquid crystal compound represented by the following Formula 2; and a polar liquid crystal compound: wherein X1 is an alkyl or alkenyl group including one to three carbon atoms; Y1 is an alkyl or alkenyl group including one or two carbon atoms; X2 is an alkyl or alkenyl group including at least two carbon atoms; and Y2 is an alkyl or alkenyl group including three or four carbon atoms.
    Type: Application
    Filed: October 7, 2009
    Publication date: April 22, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: So-Youn Park, Nam-Seok Lee, Su-Jung Huh, Duck-Jong Suh, Mi-Soon Kim
  • Publication number: 20100080936
    Abstract: In an exemplary embodiment of the present invention, the content ratio of polar and neutral compounds in a liquid crystal layer is controlled, or a coupling agent that is well adapted to those compounds is used as a material for a sealant, thereby stably maintaining the display quality of the liquid crystal display even at low temperatures.
    Type: Application
    Filed: July 16, 2009
    Publication date: April 1, 2010
    Inventors: So-Youn Park, Duck-Jong Suh, Won-Gap Yoon
  • Patent number: 7639313
    Abstract: An array substrate includes a switching device, a pixel electrode, an alignment layer and a storage electrode part. The switching device is formed in a pixel area defined by gate lines and data lines. The pixel electrode is formed in the pixel area and electrically connected to the switching device. The alignment layer is formed on the pixel electrode and rubbed in a predetermined alignment direction. The storage electrode part is formed in an area adjacent to the switching device. The storage electrode part includes at least one side having an angle of about forty degrees to about fifty degrees with respect to the alignment direction. The array substrate improves display quality of the liquid crystal display panel.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: December 29, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hun Lee, Hak-Sun Chang, So-Youn Park
  • Publication number: 20090283204
    Abstract: A liquid crystal display comprises: a first substrate; a second substrate facing the first substrate; a liquid crystal layer formed between the first substrate and the second substrate, a first electrode formed on one of the first substrate and the second substrate, and a second electrode formed on one of the first substrate and the second substrate. The second electrode forms an electric field to a liquid crystal layer along with the first electrode, and the liquid crystal layer comprises about 25-35 wt % of a compound represented by Chemical Formula 1, and about 9-11 wt % of a compound represented by Chemical Formula 8. wherein X is an alkyl with a carbon number of 2, and Y is an alkenyl. wherein X is an alkyl with a carbon number of 3-7.
    Type: Application
    Filed: February 25, 2009
    Publication date: November 19, 2009
    Inventors: Jun-Hyup LEE, Duck-Jong Suh, Won-Gap Yoon, So-Youn Park
  • Publication number: 20090168008
    Abstract: A liquid crystal composition has low refractive anisotropy to be favorable to low cell gap, has high dielectric anisotropy to be favorable to low voltage driving and has low rotational viscosity to be favorable to fast response time.
    Type: Application
    Filed: December 18, 2008
    Publication date: July 2, 2009
    Inventors: Su-Jung Huh, Duck-jong Suh, So-youn Park
  • Patent number: 7518583
    Abstract: A liquid crystal display is provided, which includes: groups of gate lines transmitting a gate-on voltage; data lines alternately transmitting normal data voltages and an impulsive data voltage; pixels arranged in a matrix and including switching elements that are connected to the gate lines and the data lines and turn on in response to the gate-on voltage to transmit the data voltages; gate driving circuits connected to respective groups of gate lines and sequentially applying the gate-on voltage to the gate lines; a data driver applying the data voltages to the data lines; a duty ratio selector outputting a duty ratio selection signal informing a selected duty ratio; and a signal controller controlling the gate driver and the data driver based on the duty ratio selection signal, wherein the signal controller determines a time for the application of the impulsive data voltage based on the duty ratio selection signal.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: April 14, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hun Lee, So-Youn Park, Jong-Lae Kim, Cheol-Woo Park, Sang-Wook Yoo
  • Publication number: 20080304002
    Abstract: Disclosed are a liquid crystal composition and a liquid crystal display using the same. The liquid crystal composition includes a polar compound and a low-viscosity compound. The liquid crystal display includes first and second substrates that face each other, and first and second electrodes disposed on the first and second substrates, respectively. A liquid crystal layer including the liquid crystal composition is disposed between the first and second substrates.
    Type: Application
    Filed: April 17, 2008
    Publication date: December 11, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Su-Jung HUH, Nam-Seok LEE, Jeong-Uk HEO, Duck-Jong SUH, So-Youn PARK
  • Publication number: 20080259266
    Abstract: A sealant includes a thermosetting agent and a cured resin. The thermosetting agent includes a dihydrazide compound, which has a carbon chain with 5 or less carbon atoms. A liquid crystal display includes a first substrate, a second substrate facing the first substrate, liquid crystal molecules interposed between the first and second substrates, and a sealing pattern disposed along a peripheral portion of the first substrate to couple the first and second substrates. The sealing pattern is includes the sealant. A method for fabricating a liquid crystal display includes forming a sealant pattern by coating the sealant along a peripheral portion of a first substrate, aligning a second substrate on the first substrate, and curing the sealing pattern.
    Type: Application
    Filed: January 7, 2008
    Publication date: October 23, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: So-Youn PARK, Nam-Seok Lee, Il-Kook Huh, Duck-Jong Suh
  • Publication number: 20070216627
    Abstract: A thin film transistor array panel is provided, which includes: a substrate; a plurality of first signal lines formed on the substrate; a plurality of second signal lines intersecting, and intersection from, the first signal lines; a plurality of pixel electrodes formed in insulated areas of the first and second signal lines; a plurality of first thin film transistors electrically connected to the first signal lines, the second signal lines, and the pixel electrodes; a plurality of buffer electrodes capacitively coupled to the pixel electrodes and located at a boundary of the intersection areas; and a plurality of second thin film transistors electrically connected to the buffer electrodes and the first signal lines, wherein the first signal lines are connected to the pixel electrodes of a previous row.
    Type: Application
    Filed: April 24, 2007
    Publication date: September 20, 2007
    Inventors: Jong-Lae Kim, Byeong-Seob Ban, So-Youn Park, Joon-Hak Oh