Patents by Inventor YUN SIK IM

YUN SIK IM 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: 20170153511
    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: Application
    Filed: April 12, 2016
    Publication date: June 1, 2017
    Inventors: Yoon Sung UM, Yun Sik IM, Hyun Sic CHOI, Hui LI, Yunyun TIAN
  • Publication number: 20170123276
    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: Application
    Filed: October 12, 2016
    Publication date: May 4, 2017
    Inventors: Yoon Sung Um, Yun Sik Im, Hyun Sic Choi, Hui Li, Jung Mok Jun
  • Publication number: 20170046998
    Abstract: A shift register and a driving method thereof, a gate driving circuit, and a display apparatus are provided.
    Type: Application
    Filed: July 28, 2015
    Publication date: February 16, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yuanbo Zhang, Seung Woo Han, Yun Sik Im
  • Publication number: 20160372058
    Abstract: A method, a control device, and a control system for controlling a mirror display device are disclosed. The method for controlling the mirror display device includes: sensing luminance information of a viewing environment; calculating a luminance of a display image and a luminance of a reflection image based on the luminance information; and controlling the luminance of the display image and the luminance of the reflection image in the mirror display device based on the calculated result. The method for controlling the mirror display device enables the luminance of the display image and the luminance of the reflection image in the mirror display device to be changed in accordance with the luminance information of the viewing environment at the same time.
    Type: Application
    Filed: October 17, 2014
    Publication date: December 22, 2016
    Inventors: Xiaolin Wang, Hui Zhang, Jing Lv, Yun Sik Im
  • Patent number: 9520422
    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: Grant
    Filed: November 3, 2014
    Date of Patent: December 13, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hyun Sic Choi, Yun Sik Im
  • Patent number: 9459485
    Abstract: There are provided an array substrate and a liquid crystal display apparatus. The array substrate comprises: array structures (12) and pixel electrodes (13) that are formed on a first substrate (11); wherein at least part of pixel regions corresponding to the pixel electrodes (13) are in optical diffusion structures (14); the pixel regions include pixel regions corresponding to pixels of different colors; the optical diffusion structures (14) are so arranged that reflectivity of light reflected from an optical diffusion structure of a pixel region, which corresponds to a pixel of a color having the longest light wavelength, is lower than reflectivity of light reflected from an optical diffusion structure (14) of a pixel region, which corresponds to a pixel of another color.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: October 4, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yun Sik Im, Jung Mok Jun
  • 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: 9383850
    Abstract: A touch screen comprises a first substrate, a second substrate and a third substrate sequentially stacked. A first sensing layer is provided on a first surface of the second substrate opposing to the third substrate, and a second sensing layer is provided on a surface of the third substrate opposing to the second substrate. The second substrate provided with the first sensing layer and the third substrate provided with the second sensing layer constitute a touch unit for sensing a touch signal, and the second substrate and the first substrate constitute a display unit for displaying.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: July 5, 2016
    Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yun Sik Im, Yao Yu
  • Publication number: 20160132170
    Abstract: Provided are a driving unit for a touch electrode, a driving circuit, a touch panel and a driving method, wherein the driving unit comprises: a signal conversion unit configured to convert a signal input from the signal input terminal under the control of a clock signal and output the conversion result; a logic computation unit configured to perform a logic computation on the input signal and the touch enable signal and output the computation result; a buffer unit connected to an output terminal of the logic computation unit; and an output unit connected to an output terminal of the buffer unit and configured to output a touch scan signal to the touch driving electrode under the control of a signal output by the buffer unit. The driving circuit comprising multiple stages of driving unit described in the above can be directly integrated in the array substrate.
    Type: Application
    Filed: December 12, 2014
    Publication date: May 12, 2016
    Inventors: Yuanbo Zhang, Seung Woo Han, Yun Sik Im
  • Publication number: 20160109504
    Abstract: Disclosed is a circuit and method for testing transistor(s). The circuit is used for testing a set of transistors including at least two transistors, wherein the circuit comprises: a first power supply voltage terminal connected to first electrodes of the respective transistors; a first control signal terminal connected to control electrodes of the respective transistors; and a set of test terminals including at least two test terminals, wherein the test terminals are connected to second electrodes of the corresponding transistors, respectively. According to the circuit disclosed in the present disclosure, it can be achieved that the bias voltages can be applied to the plurality of transistors to be tested simultaneously.
    Type: Application
    Filed: December 17, 2014
    Publication date: April 21, 2016
    Inventors: Guangliang SHANG, Yun Sik IM, Seung Woo HAN
  • 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: 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: 20140150253
    Abstract: A touch screen comprises a first substrate, a second substrate and a third substrate sequentially stacked. A first sensing layer is provided on a first surface of the second substrate opposing to the third substrate, and a second sensing layer is provided on a surface of the third substrate opposing to the second substrate. The second substrate provided with the first sensing layer and the third substrate provided with the second sensing layer constitute a touch unit for sensing a touch signal, and the second substrate and the first substrate constitute a display unit for displaying.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 5, 2014
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yun Sik IM, Yao YU
  • Publication number: 20140111506
    Abstract: A pixel circuit comprising a plurality of pixel units, wherein each pixel unit comprises a data line (50), a charge gate line (40), a common electrode line (60), a cache module (10), a pixel circuit module (20), and a common gate line (30); the cache module (10) is connected to the charge gate line (40) that supplies a control signal for the cache module (10); an input of the cache module (10) is connected to the data line (50), at the time of supplying a enable control signal by the charge gate line (40), the cache module (10) receives and stores a display signal supplied by the data line (50); the pixel circuit module (20) is connected to the common gate line (30) that supplies a control signal for the pixel circuit module (20); an output of the cache module (10) is connected to an input of the pixel circuit module (20), at the time of supplying an enable control signal by the common gate line (30), the display signal stored in the cache module (10) is written into the pixel circuit module (20).
    Type: Application
    Filed: December 11, 2012
    Publication date: April 24, 2014
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Mi Zhang, Yun Sik Im
  • Publication number: 20140055729
    Abstract: There are provided an array substrate and a liquid crystal display apparatus. The array substrate comprises: array structures (12) and pixel electrodes (13) that are formed on a first substrate (11); wherein at least part of pixel regions corresponding to the pixel electrodes (13) are in optical diffusion structures (14); the pixel regions include pixel regions corresponding to pixels of different colors; the optical diffusion structures (14) are so arranged that reflectivity of light reflected from an optical diffusion structure of a pixel region, which corresponds to a pixel of a color having the longest light wavelength, is lower than reflectivity of light reflected from an optical diffusion structure (14) of a pixel region, which corresponds to a pixel of another color.
    Type: Application
    Filed: November 15, 2012
    Publication date: February 27, 2014
    Inventors: Yun Sik Im, Jung Mok Jun
  • Patent number: 8619203
    Abstract: A touch screen comprises a first substrate, a second substrate and a third substrate sequentially stacked. A first sensing layer is provided on a first surface of the second substrate opposing to the third substrate, and a second sensing layer is provided on a surface of the third substrate opposing to the second substrate. The second substrate provided with the first sensing layer and the third substrate provided with the second sensing layer constitute a touch unit for sensing a touch signal, and the second substrate and the first substrate constitute a display unit for displaying.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: December 31, 2013
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Yun Sik Im, Yao Yu
  • Publication number: 20110074729
    Abstract: A touch screen comprises a first substrate, a second substrate and a third substrate sequentially stacked. A first sensing layer is provided on a first surface of the second substrate opposing to the third substrate, and a second sensing layer is provided on a surface of the third substrate opposing to the second substrate. The second substrate provided with the first sensing layer and the third substrate provided with the second sensing layer constitute a touch unit for sensing a touch signal, and the second substrate and the first substrate constitute a display unit for displaying.
    Type: Application
    Filed: September 28, 2010
    Publication date: March 31, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: YUN SIK IM, Yao YU