Patents by Inventor Hyun Sic Choi

Hyun Sic Choi 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: 20160252782
    Abstract: A liquid crystal lens and a display device are provided.
    Type: Application
    Filed: January 4, 2015
    Publication date: September 1, 2016
    Inventors: Haiyan WANG, Kun WU, Yunyun TIAN, Zheng FANG, Qiangtao WANG, Hyun Sic CHOI
  • Publication number: 20160253940
    Abstract: A pixel structure and a display device are provided. The pixel structure includes: a plurality of pixel units arranged in a matrix, each pixel unit including first to seventh subpixels arranged sequentially in a row direction, and the first subpixel, the second subpixel, the third subpixel and the fourth subpixel being different from one another in color. Each subpixel among the first to third subpixels has a same color as that of one subpixel among the fifth to the seventh pixels, respectively. The number of colors of the pixel structure becomes from original three to at least four, added subpixels are shared by pixels on both sides thereof, colors illustrated are more diversified by color modulation, and gamut of the display device is improved.
    Type: Application
    Filed: April 14, 2015
    Publication date: September 1, 2016
    Inventors: Qiangtao WANG, Hyun Sic CHOI, Yun Sik IM
  • Patent number: 9431432
    Abstract: The embodiments of the present invention disclose an array substrate, a method for manufacturing the same, and a display device. With the solutions of the embodiments, aperture rate is increased, and gate signal delay caused by increased connection resistance of gate line is alleviated. The array substrate of the present invention includes a thin film transistor; a substrate; a common electrode provided on the substrate; a gate line comprising a plurality of separate segments arranged to be spaced apart from each other and connected with each other through a bridge; and a common electrode line provided to be spaced apart from the gate line, the gate line and the common electrode line being in the same layer, wherein the common electrode line comprises a connection segment extending through a gap between separate segments to electrically connect with the common electrode directly.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: August 30, 2016
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hyun Sic Choi, Hee Cheol Kim
  • Publication number: 20160246148
    Abstract: The present disclosure provides an array substrate and a method for producing the same and a liquid crystal display apparatus. The array substrate provided by an embodiment of the present invention comprises: a base substrate; a plurality of sub-pixel regions which are delimited by gate lines and data lines respectively and which are located on the base substrate, each of which is provided with a thin film transistor TFT and a common electrode above the thin film transistor; and an alignment film located above the common electrode, wherein the alignment film has an alignment direction at a predetermined angle to the direction in which the gate lines extend, and a void region is arranged at a location of the common electrode corresponding to the thin film transistor, the direction in which the void region extends being identical to the alignment direction of the alignment film.
    Type: Application
    Filed: July 31, 2014
    Publication date: August 25, 2016
    Inventors: Hui Li, Hyun Sic Choi, Zheng Fang, Haiyan Wang, Yunyun Tian
  • Patent number: 9323111
    Abstract: The present invention provides an array substrate, its manufacturing method, and a display device. The array substrate comprises a plurality of grid lines a plurality of data lines, and pixel regions defined by every two adjacent grid Fines and every two adjacent data lines. The pixel region is provided with a common electrode, a pixel electrode and a thin film transistor. The common electrode includes a first common electrode and a second common electrode which are powered independently. A projection of the first common electrode onto a layer where the data lines are located covers the data line, and a projection of the second common electrode onto a layer where the pixel electrode is located falls on the pixel electrode.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: April 26, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoon-Sung Um, Hyun-Sic Choi, Zhiqiang Xu, Hui Li
  • Publication number: 20160077378
    Abstract: The present invention provides an array substrate, a method for manufacturing the same, and a liquid crystal display panel. The array substrate includes a plurality of pixel units arranged in an array, each pixel unit comprising a reflection region and a transmission region, and for any pixel unit, the array substrate comprising a substrate; a thin film transistor provided on the substrate; and a reflection electrode and a first transparent electrode which are electrically connected with each other, the reflection electrode being located in the reflection region, and the first transparent electrode being located in the transmission region, wherein a first transparent insulation layer is provided between the reflection electrode and the first transparent electrode, and the reflection electrode is on a side of the first transparent insulation layer which is closer to the substrate.
    Type: Application
    Filed: March 31, 2014
    Publication date: March 17, 2016
    Inventors: Hyun Sic Choi, Hui Li, Zheng Fang, Haiyan Wang, Yunyun Tian
  • Publication number: 20160011467
    Abstract: Embodiments of the present disclosure disclose an array substrate, a liquid crystal display panel and a display device. The array substrate comprises a base substrate and a thin film transistor provided on the base substrate, and the thin film transistor comprises a gate electrode, an active layer, a source electrode and a drain electrode. The array substrate further comprises: a common electrode provided above the thin film transistor, and a first pixel electrode and a second pixel electrode both electrically connected with the drain electrode of the thin film transistor. The first pixel electrode is provided below the common electrode and is insulated from the common electrode, and the second pixel electrode is provided above the common electrode and is insulated from the common electrode.
    Type: Application
    Filed: July 21, 2014
    Publication date: January 14, 2016
    Inventors: Hyun Sic CHOI, Heecheol KIM, Yun Sik IM
  • Publication number: 20160005766
    Abstract: The embodiments of the present invention disclose an array substrate, a method for manufacturing the same, and a display device. With the solutions of the embodiments, aperture rate is increased, and gate signal delay caused by increased connection resistance of gate line is alleviated. The array substrate of the present invention includes a thin film transistor; a substrate; a common electrode provided on the substrate; a gate line comprising a plurality of separate segments arranged to be spaced apart from each other and connected with each other through a bridge; and a common electrode line provided to be spaced apart from the gate line, the gate line and the common electrode line being in the same layer, wherein the common electrode line comprises a connection segment extending through a gap between separate segments to electrically connect with the common electrode directly.
    Type: Application
    Filed: April 30, 2014
    Publication date: January 7, 2016
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Hyun Sic Choi, Hee Cheol Kim
  • Patent number: 9229287
    Abstract: The invention provides an array substrate, a manufacturing method and a display device thereof. The array substrate comprises a substrate, a gate line and a pixel electrode disposed on the substrate, a common electrode disposed above and overlaying the gate line, wherein a strip-shaped through hole is disposed on the common electrode and at least a portion of the strip-shaped through hole is positioned right above the gate line.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: January 5, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., Ltd.
    Inventors: Hyun Sic Choi, Jung Mok Jun
  • Publication number: 20150355512
    Abstract: A display panel (01) is provided. The display panel (01) includes a first substrate (10) and a second substrate (20) bonded to each other, and electro-optic material (30) disposed between the first substrate (10) and the second substrate (20). The first substrate (10) includes a thin film transistor (101), a first electrode (102) and a second electrode (103). The second substrate (20) may comprise a resin layer and a plurality of conductive electrodes (202), the resin layer includes a plurality of color filters having different colors and arranged sequentially and alternately. Along a color changing direction of the color filters of the resin layer, at least a part (202a) of one conductive electrode (202) is disposed at an edge of at least one color filter. The conductive electrode (202) may be disposed above or under the resin layer. The conductive electrode (202) may be of the same potential with any one of the first electrode (102) and the second electrode (103).
    Type: Application
    Filed: June 20, 2014
    Publication date: December 10, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyun TIAN, Hyun Sic CHOI, Qiangtao WANG
  • Publication number: 20150340504
    Abstract: An oxide thin film transistor and a manufacturing method thereof, an array substrate and a display device are provided. The method comprises: forming a gate electrode (1), a gate insulating layer (4) and an oxide semiconductor thin film (10) sequentially on a substrate; forming a first photoresist (11a) above an active layer region of the oxide semiconductor thin film (10), such that a thickness of the first photoresist above a channel region is greater than a thickness of the first photoresist above a non-channel region; reserving the first photoresist (11a) above the channel region; forming a source-drain metal thin film and a second photoresist (11b) sequentially on a pattern of an active layer, removing a portion of the source-drain metal thin film and a portion of the second photoresist (11b), such that an edge of the first photoresist (11a) above the channel region is covered with the source-drain metal thin film; and obtaining patterns of a source electrode and a drain electrode.
    Type: Application
    Filed: November 3, 2014
    Publication date: November 26, 2015
    Inventors: Hyun Sic CHOI, Yun Sik IM
  • Publication number: 20150325705
    Abstract: A array substrate is disclosed. The array substrate includes: a substrate (10); and a first gate metal layer (111), a first gate insulating layer (121), a semiconductor layer (13) and a source-drain electrode layer (14) disposed in this order on the substrate from bottom to top. The array substrate (10) further includes a second gate insulating layer (122) disposed on the source-drain electrode layer (14); and a second gate metal layer (112) disposed on the second gate insulating layer (122). A method of manufacturing an array substrate is also disclosed.
    Type: Application
    Filed: December 9, 2013
    Publication date: November 12, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic CHOI, Hui LI, Zhiqiang XU, Yoon Sung UM
  • Publication number: 20150325161
    Abstract: A voltage control method and device for electrodes, wherein the method includes inputting a varying voltage signal to common electrodes on an array substrate. The solution of the present application may avoid the problem of greenish picture of products due to influence of data line voltage on common electrodes.
    Type: Application
    Filed: December 19, 2013
    Publication date: November 12, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoon Sung UM, Hyun Sic CHOI, Zhiqiang XU, Hui LI
  • Publication number: 20150323834
    Abstract: A transflective liquid crystal display panel, a display device, an array substrate, a color filter substrate and a fabrication method thereof are provided. The transflective liquid crystal display panel comprises a first substrate (11), a second substrate (21) arranged opposite to the first substrate (11), and a liquid crystal layer (31) disposed between the first substrate (11) and the second substrate (21). The liquid crystal display panel comprises a plurality of pixel units, each pixel unit comprises a transmissive region and a reflective region, and a thickness (d1) of the liquid crystal layer (31) in the transmissive region is equal to a thickness (d2) of the liquid crystal layer (31) in the reflective region. On a side facing the liquid crystal layer (31), the first substrate (11) is provided with a first common electrode (12) corresponding to the reflective region and the transmissive region and a second common electrode (15) corresponding to the transmissive region.
    Type: Application
    Filed: December 13, 2013
    Publication date: November 12, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic CHOI, Hui LI, Zhiqiang XU, Yoon Sung UM
  • Publication number: 20150316817
    Abstract: A liquid crystal display (LCD) panel, an LCD and a manufacturing method thereof. The LCD panel comprises a first substrate (1) and a second substrate (2) arranged opposite to each other; a liquid crystal layer (3) is disposed between the first substrate (1) and the second substrate (2); the first substrate (1) comprises a plurality of pixel regions; each pixel region comprises a transmission section (4) and a reflection section (5); the first substrate is provided with a reflective layer (6) disposed in the reflection section (5); polymers (30) formed by polymerization of ultraviolet curable monomers are uniformly distributed in the liquid crystal layer (3) of the reflection section (5). The LCD panel adopts a single cell gap and controls the phase retardation amount of reflected light emitted out from the reflection section (5) through the polymers (30), so that phase of the reflected light can match with the phase of transmitted light emitted out from the transmission section (6).
    Type: Application
    Filed: December 9, 2013
    Publication date: November 5, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic CHOI, Hui LI, Zhiqiang XU, Yoon Sung UM
  • Patent number: 9177920
    Abstract: Embodiments of the present invention disclose a thin film transistor array substrate, a method of manufacturing the same, and display device. A method of manufacturing a thin film transistor array substrate, comprises: forming a resin layer on a substrate formed with a thin film transistor array, patterning the resin layer by using a mask process to form a spacer and a contact hole filling layer, the contact hole filing layer is used for filling contact holes on the thin film transistor array substrate; forming an alignment film on the substrate patterning with the spacer and the contact hole filing layer.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: November 3, 2015
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic Choi, Zhiqiang Xu, Hui Li
  • Publication number: 20150309377
    Abstract: An array substrate includes a substrate (10), a plurality of pixel regions (30) and a black matrix (15) separating the pixel regions (30) formed on the substrate (10); corresponding to a region where the black matrix (15) is located, the substrate (10) is provided with a thin film transistor. The pixel region (30) includes a first electrode (17) and a second electrode (20) configured for generating an electric field therebetween to drive liquid crystals. The second electrode (20) is disposed above the first electrode (17). The pixel region (30) further includes a color resist layer (16) disposed between a gate insulation layer (12) and the second electrode (20) and distributed in the pixel region (30). A method of manufacturing the array substrate and a display device are further disclosed.
    Type: Application
    Filed: December 12, 2013
    Publication date: October 29, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic CHOI, Hui LI, Zhiqiang XU, Yoon Sung UM
  • Patent number: 9116399
    Abstract: A blue-phase liquid crystal panel is described which includes a first substrate, a second substrate, a blue-phase liquid crystal layer between the first substrate and the second substrate; a first electrode located on one surface of the first substrate, a first substrate coupling film located on another surface of the first substrate; a second electrode located on one surface of the second substrate; the first electrode and the second electrode forming a vertical electric field; the first substrate coupling film converting the direct front light of the backlight module into slant front light having a predetermined angle with the perpendicular electric field direction.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: August 25, 2015
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hui Li, Hyun Sic Choi, Yoon Sung Um, Zhiqiang Xu
  • Patent number: 9105248
    Abstract: Embodiments of the present disclosure provide an array substrate comprising a plurality of gate lines, a plurality of data lines, and pixel regions each of which is defined by intersecting one gate line and two neighboring data lines among the plurality of gate lines and the plurality of data lines wherein two thin film transistors (TFTs) are formed at the intersections between the gate line and the two neighboring data lines in each pixel region, a first pixel electrode and a second pixel electrode are alternately arranged in each pixel region. A first thin film transistor of the two thin film transistors is coupled to the first pixel electrode, a second thin film transistor of the two thin film transistors is coupled to the second pixel electrode. The two neighboring data lines participating in defining a pixel region comprise a first data line coupling to the first thin film transistor and a second data line coupling to the second thin film transistor.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: August 11, 2015
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoon-Sung Um, Hyun-Sic Choi, Zhiqiang Xu, Hui Li
  • Publication number: 20150108486
    Abstract: A pixel electrode, an array substrate and a display device are configured to provide a display apparatus with higher transmittance. The pixel electrode includes at least one electrode unit, wherein the electrode unit includes a plurality of strip electrodes and has a non-closed shape.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 23, 2015
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoon Sung Um, Heecheol Kim, Hyun Sic Choi, Hui Li