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).
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Publication number: 20230386878Abstract: An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.Type: ApplicationFiled: August 11, 2023Publication date: November 30, 2023Inventors: Won Ho LEE, Buem Joon KIM, Jong Hyuk KANG, Hyun Deok IM, Chung Sic CHOI
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Patent number: 11728196Abstract: An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.Type: GrantFiled: March 3, 2021Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Won Ho Lee, Buem Joon Kim, Jong Hyuk Kang, Hyun Deok Im, Chung Sic Choi
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Publication number: 20230042708Abstract: 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: ApplicationFiled: October 19, 2022Publication date: February 9, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Xue Dong, Liwei Liu, Xinxing Wang, Yun Sik Im, Hyun Sic Choi, Jaegeon You, Yinglong Huang, Heecheol Kim
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Patent number: 11487168Abstract: 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 layer. 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: GrantFiled: January 13, 2020Date of Patent: November 1, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Meina Yu, Hyun Sic Choi, Pengxia Liang, Xiaochuan Chen, Zheng Fang, Xue Dong
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Patent number: 11480830Abstract: 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: GrantFiled: September 6, 2018Date of Patent: October 25, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Xue Dong, Liwei Liu, Xinxing Wang, Yun Sik Im, Hyun Sic Choi, Jaegeon You, Yinglong Huang, Heecheol Kim
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Publication number: 20220121055Abstract: 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: ApplicationFiled: January 13, 2020Publication date: April 21, 2022Inventors: Meina YU, Hyun Sic CHOI, Pengxia LIANG, Xiaochuan CHEN, Zheng FANG, Xue DONG
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Publication number: 20210341780Abstract: 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: ApplicationFiled: September 6, 2018Publication date: November 4, 2021Applicant: BOE Technology Group Co., Ltd.Inventors: Xue Dong, Liwei Liu, Xinxing Wang, Yun Sik Im, Hyun Sic Choi, Jaegeon You, Yinglong Huang, Heecheol Kim
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Patent number: 11143882Abstract: 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: GrantFiled: January 8, 2020Date of Patent: October 12, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haiyan Wang, Hui Li, Yunyun Tian, Zheng Fang, Hyun-Sic Choi
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Patent number: 10790306Abstract: 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: GrantFiled: December 30, 2015Date of Patent: September 29, 2020Assignee: BOE Technology Group Co., Ltd.Inventors: Heecheol Kim, Hyun Sic Choi
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Publication number: 20200183179Abstract: 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: ApplicationFiled: January 8, 2020Publication date: June 11, 2020Inventors: Haiyan Wang, Hui Li, Yunyun Tian, Zheng Fang, Hyun-Sic Choi
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Patent number: 10451944Abstract: 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: GrantFiled: April 27, 2017Date of Patent: October 22, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunyun Tian, Hui Zhang, Hyun Sic Choi
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Patent number: 10367008Abstract: 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: GrantFiled: October 24, 2016Date of Patent: July 30, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hui Li, Yun Sik Im, Hyun Sic Choi, Kuanjun Peng, Yu'e Jia, Hui Zhang
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Patent number: 10330984Abstract: 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: GrantFiled: October 12, 2016Date of Patent: June 25, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Yoon Sung Um, Yun Sik Im, Hyun Sic Choi, Hui Li, Jung Mok Jun
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Patent number: 10303006Abstract: A liquid crystal lens and a display device are provided.Type: GrantFiled: January 4, 2015Date of Patent: May 28, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haiyan Wang, Kun Wu, Yunyun Tian, Zheng Fang, Qiangtao Wang, Hyun Sic Choi
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Patent number: 10198981Abstract: 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: GrantFiled: April 14, 2015Date of Patent: February 5, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Qiangtao Wang, Hyun Sic Choi, Yun Sik Im
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Patent number: 10191330Abstract: 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: GrantFiled: May 5, 2015Date of Patent: January 29, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Heecheol Kim, Hyun Sic Choi
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Patent number: 10139685Abstract: 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: GrantFiled: April 12, 2016Date of Patent: November 27, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yoon Sung Um, Yun Sik Im, Hyun Sic Choi, Hui Li, Yunyun Tian
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Patent number: 10096801Abstract: 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: GrantFiled: December 10, 2015Date of Patent: October 9, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunyun Tian, Hyun Sic Choi
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Patent number: 10043585Abstract: 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: GrantFiled: September 28, 2016Date of Patent: August 7, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hyun Sic Choi, Seung Woo Han
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Publication number: 20180188625Abstract: 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: ApplicationFiled: April 27, 2017Publication date: July 5, 2018Inventors: Yunyun Tian, Hui Zhang, Hyun Sic Choi