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: 20220239211
    Abstract: The present disclosure relates to a horizontal linear vibrating motor, and more particularly, to a horizontal linear vibrating motor which has a smaller size than existing liner motors so as to be mounted on a small-size wearable watch, smart band or the like, while providing a strong vibration.
    Type: Application
    Filed: September 30, 2021
    Publication date: July 28, 2022
    Inventors: Jin-Seon KANG, Gyo-Suk CHOI, Hyun-Jun PARK, Hwa-Sic KIM, Jong-Ki LEE
  • Publication number: 20220121055
    Abstract: A liquid crystal panel and a display device are disclosed. The liquid crystal panel includes a first substrate, a second substrate, and a liquid crystal. The first substrate includes a first base substrate, and a pixel electrode and a common electrode provided on the first base substrate. The second substrate is opposed to the first substrate and includes a second base substrate. The liquid crystal layer is provided between the first substrate and the second substrate in a direction perpendicular to the first base substrate. An initial alignment of liquid crystal in the liquid crystal layer is vertical alignment.
    Type: Application
    Filed: January 13, 2020
    Publication date: April 21, 2022
    Inventors: Meina YU, Hyun Sic CHOI, Pengxia LIANG, Xiaochuan CHEN, Zheng FANG, Xue DONG
  • Publication number: 20210341780
    Abstract: A display panel and a display device are provided. In the display panel, a plurality of main spacers and a plurality of auxiliary spacers are disposed on a side of a first substrate close to a second substrate, the second substrate further includes a plurality of first lug bosses and a plurality of second lug bosses; an orthographic projection of the main spacers on the second substrate is at least partially overlapped with an orthographic projection of a corresponding first lug boss on the second substrate; an orthographic projection of the auxiliary spacers on the second substrate is away from an orthographic projection of a corresponding second lug boss on the second substrate by a preset distance; and the distance between each of the auxiliary spacers and the corresponding second lug boss is less than a height of the first lug bosses.
    Type: Application
    Filed: September 6, 2018
    Publication date: November 4, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xue Dong, Liwei Liu, Xinxing Wang, Yun Sik Im, Hyun Sic Choi, Jaegeon You, Yinglong Huang, Heecheol Kim
  • Patent number: 11143882
    Abstract: The present disclosure provides a liquid crystal lens and a display apparatus. The liquid crystal lens includes a first substrate and a second substrate arranged to be opposite to each other, a common electrode being provided on the second substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; liquid crystal lens units, each of which includes a first group of strip-shaped electrodes and a second group of strip-shaped electrodes parallel to each other and spaced apart thereon, upon applying a voltage among the first and second groups, and the common electrode, a planoconvex lens is formed within the liquid crystal molecules between them, wherein each of the first and second groups includes layers of sub-electrodes insulated from each other, the sub-electrodes of the first and second groups are applied with a voltage, so as to adjust symmetry of the planoconvex lens.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: October 12, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haiyan Wang, Hui Li, Yunyun Tian, Zheng Fang, Hyun-Sic Choi
  • Patent number: 10790306
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided, and the display substrate includes pixel units, each of the pixel units is provided with a thin film transistor, a pixel electrode and a common electrode; the pixel electrode and the common electrode are arranged in a same layer and insulated from each other, the pixel electrode includes a plurality of strip-shaped pixel sub-electrodes, the common electrode includes a plurality of strip-shaped common sub-electrodes, the plurality of strip-shaped pixel sub-electrodes (104) and the plurality of strip-shaped common sub-electrodes are alternately distributed, and an interval width between each pixel sub-electrode and each common sub-electrode adjacent to the pixel sub-electrode is from 1 ?m to 5 ?m. The display substrate is configured for solving the problem of low charging rate in large size display panels.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: September 29, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Heecheol Kim, Hyun Sic Choi
  • Publication number: 20200183179
    Abstract: The present disclosure provides a liquid crystal lens and a display apparatus. The liquid crystal lens includes a first substrate and a second substrate arranged to be opposite to each other, a common electrode being provided on the second substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; liquid crystal lens units, each of which includes a first group of strip-shaped electrodes and a second group of strip-shaped electrodes parallel to each other and spaced apart thereon, upon applying a voltage among the first and second groups, and the common electrode, a planoconvex lens is formed within the liquid crystal molecules between them, wherein each of the first and second groups includes layers of sub-electrodes insulated from each other, the sub-electrodes of the first and second groups are applied with a voltage, so as to adjust symmetry of the planoconvex lens.
    Type: Application
    Filed: January 8, 2020
    Publication date: June 11, 2020
    Inventors: Haiyan Wang, Hui Li, Yunyun Tian, Zheng Fang, Hyun-Sic Choi
  • Patent number: 10451944
    Abstract: Embodiments of the disclosure provide an array substrate and a method for manufacturing the array substrate. The array substrate includes a substrate, a first electrode disposed on the base substrate and a second electrode disposed on the base substrate and located in a different layer from the first electrode with an insulation layer being disposed therebetween, wherein each of the first and second electrodes is a comb-like electrode, and the first and second electrodes are configured to generate an electric field therebetween when being applied with a voltage.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: October 22, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyun Tian, Hui Zhang, Hyun Sic Choi
  • Patent number: 10367008
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a base substrate, and, subpixels disposed on the base substrate. A first electrode and a second electrode are disposed in each of the subpixels; the first electrode includes first electrode strips; the second electrode includes second electrode strips. A distance between a projection of one second electrode strip and a projection of a first electrode strip adjacent to the second electrode strip in the first direction is S1; a distance between the projection of the second electrode strip and a projection of one first electrode strip adjacent to the second electrode strip in a direction opposite to the first direction is S2; a first domain includes a part in which S1 is greater than S2; and a second domain includes a part in which S1 is less than S2.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: July 30, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hui Li, Yun Sik Im, Hyun Sic Choi, Kuanjun Peng, Yu'e Jia, Hui Zhang
  • Patent number: 10330984
    Abstract: An array substrate and a fabrication method thereof, and a display device are provided. The array substrate comprises a lining substrate and an electrode pattern formed on the lining substrate, and the electrode pattern includes a plurality of strip-shaped electrodes. There are a plurality of strip-shaped protrusions on an upper surface of the lining substrate, and at least part of strip-shaped electrodes among the plurality of strip-shaped electrodes are formed on the strip-shaped protrusions one-to-one; and there is an included angle between an extending direction of the strip-shaped electrodes and an extending direction of the strip-shaped protrusions, and the included angle is configured so that a rubbing direction of an alignment film is along the extending direction of the strip-shaped protrusions.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: June 25, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yoon Sung Um, Yun Sik Im, Hyun Sic Choi, Hui Li, Jung Mok Jun
  • Patent number: 10303006
    Abstract: A liquid crystal lens and a display device are provided.
    Type: Grant
    Filed: January 4, 2015
    Date of Patent: May 28, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haiyan Wang, Kun Wu, Yunyun Tian, Zheng Fang, Qiangtao Wang, Hyun Sic Choi
  • Patent number: 10198981
    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: Grant
    Filed: April 14, 2015
    Date of Patent: February 5, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Qiangtao Wang, Hyun Sic Choi, Yun Sik Im
  • Patent number: 10191330
    Abstract: A liquid crystal display panel, a fabrication method thereof and a display device are provided. The liquid crystal display panel comprises: an opposed substrate (10) and an array substrate (20) arranged opposite to each other, and a liquid crystal layer (30) filled between the opposed substrate (10) and the array substrate (20). Alignment films (40) having opposite friction directions are provided on opposing surfaces of the opposed substrate (10) and the array substrate (20), respectively. The liquid crystal display panel has a plurality of pixel units which are arranged in array, and each of the pixel units comprises two pixel regions (A, B) along the friction direction of the alignment film.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: January 29, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heecheol Kim, Hyun Sic Choi
  • Patent number: 10139685
    Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate includes: a base substrate; a plurality of gate lines and a plurality of data lines disposed on the base substrate and configured to define a plurality of pixel regions; pixel electrodes and common electrodes disposed in each pixel region and arranged in different layers; and shielding electrodes being at least formed in regions corresponding to the data lines on the base substrate, being arranged in different layers from the common electrodes, and being not electrically connected with the pixel electrodes and the common electrodes.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 27, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoon Sung Um, Yun Sik Im, Hyun Sic Choi, Hui Li, Yunyun Tian
  • Patent number: 10096801
    Abstract: The present application discloses a display device having a metal pattern on a substrate of a display device and a light absorbing layer positioned to absorb light reflected by the metal pattern, and a manufacturing method thereof. The light absorbing layer has a pattern corresponding to at least a portion of the metal pattern.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: October 9, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyun Tian, Hyun Sic Choi
  • Patent number: 10043585
    Abstract: A shift register unit and a control method thereof, a gate drive device including the shift register unit, and a display device. The shift register unit includes: an input module, a pull-up module, a first pull-down control signal generation module, controlling, in the period that a first signal is high level, potential of a first pull-down control node according to a drive input signal and potential of a pull-up control node; a second pull-down control signal generation module, controlling, in the period that a second signal is high level, potential of a second pull-down control node according to the drive input signal and the potential of the pull-up control node, the first signal and the second signal alternatively becoming high level; and a pull-down module, pulling down a drive output signal according to the potential of the first pull-down control node and the potential of the second pull-down control node.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: August 7, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic Choi, Seung Woo Han
  • Publication number: 20180188625
    Abstract: Embodiments of the disclosure provide an array substrate and a method for manufacturing the array substrate. The array substrate includes a substrate, a first electrode disposed on the base substrate and a second electrode disposed on the base substrate and located in a different layer from the first electrode with an insulation layer being disposed therebetween, wherein each of the first and second electrodes is a comb-like electrode, and the first and second electrodes are configured to generate an electric field therebetween when being applied with a voltage.
    Type: Application
    Filed: April 27, 2017
    Publication date: July 5, 2018
    Inventors: Yunyun Tian, Hui Zhang, Hyun Sic Choi
  • Patent number: 9928798
    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: Grant
    Filed: December 19, 2013
    Date of Patent: March 27, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yoon Sung Um, Hyun Sic Choi, Zhiqiang Xu, Hui Li
  • Publication number: 20180083038
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a base substrate, and, subpixels disposed on the base substrate. A first electrode and a second electrode are disposed in each of the subpixels; the first electrode includes first electrode strips; the second electrode includes second electrode strips. A distance between a projection of one second electrode strip and a projection of a first electrode strip adjacent to the second electrode strip in the first direction is S1; a distance between the projection of the second electrode strip and a projection of one first electrode strip adjacent to the second electrode strip in a direction opposite to the first direction is S2; a first domain includes a part in which S1 is greater than S2; and a second domain includes a part in which S1 is less than S2.
    Type: Application
    Filed: October 24, 2016
    Publication date: March 22, 2018
    Inventors: Hui LI, Yun Sik IM, Hyun Sic CHOI, Kuanjun PENG, Yu'e JIA, Hul ZHANG
  • Patent number: 9874795
    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: Grant
    Filed: December 12, 2013
    Date of Patent: January 23, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hyun Sic Choi, Hui Li, Zhiqiang Xu, Yoon Sung Um
  • Patent number: 9865629
    Abstract: A method of manufacturing an array substrate, a display substrate and a display device are disclosed. The method of manufacturing an array substrate comprises: forming a pattern of an active layer and a pattern of source and drain electrodes on a substrate; forming a pattern of a first transparent electrode and a pattern of a passivation layer through one single patterning process; and processing the substrate on which the pattern of the passivation layer having been formed, such that a material of the passivation layer fills at least partially in a gap in the pattern of the first transparent electrode. Through forming the pattern of the first transparent electrode and the passivation layer by one single patterning process, number of masks used in the manufacturing process of the array substrate is reduced.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: January 9, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seung Jin Choi, Hee Cheol Kim, Hyun Sic Choi