Patents by Inventor Ki-Chul Shin
Ki-Chul Shin 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: 20250081681Abstract: A display device includes a pixel electrode on a substrate, a bank layer on the substrate and the pixel electrode and dividing a light emitting area and a light non-emitting area, light emitting elements on the pixel electrode and including a first semiconductor layer, a second semiconductor layer, and an active layer between the first and second semiconductor layers, a first via layer on the pixel electrode and around sides of the light emitting elements, a common electrode on the first via layer, a side of a light emitting element protruding from the first via layer, and a top surface of the light emitting element, a first insulating layer on the common electrode, a partition wall unit on the first insulating layer and overlapping the bank layer, a second insulating layer on the partition wall unit, and a reflective layer around a side of the partition wall unit.Type: ApplicationFiled: August 22, 2024Publication date: March 6, 2025Inventors: Ki Seong SEO, Min Chul SHIN, Ki Chang EOM, So Yeon YOON, Gwang Geun LEE, Yu Jin LEE, Jung An LEE
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Patent number: 11156874Abstract: A liquid crystal photoalignment agent includes: a copolymer of diamine and dianhydride; and a compound Formula 1 below, wherein an amount of the compound of Formula 1 is less than about 10 weight %, based on a total weight of the liquid crystal photoalignment agent: R1 is a substituted or unsubstituted tetravalent organic group derived from an acid dianhydride, wherein the acid dianhydride is at least one of an aliphatic cyclic acid dianhydride or an aromatic acid dianhydride, R2 is a substituted or unsubstituted trivalent organic group derived from an aromatic diamine, at least one of R1 and R2 is substituted with CF3 or a silyl group, R3 is a residue of a compound including a substituted or unsubstituted aromatic group with a carbon number that is equal to or greater than 6, n is 1 to 5, and * represents a point of attachment.Type: GrantFiled: August 30, 2019Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeon Cu Kim, Ki Chul Shin, Soon Joon Rho
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Patent number: 11119366Abstract: A liquid crystal display device includes a first substrate, a pixel electrode which is disposed on the first substrate and comprises a first sub-pixel electrode and a second sub-pixel electrode adjacent to the first sub-pixel electrode along a first direction, and a shielding electrode which is disposed on the same layer as the pixel electrode and comprises a first area having a first width and a second area having a second width which is smaller than the first width along a second direction which crosses the first direction, and the first sub-pixel electrode may be adjacent to the first area along the second direction, and the second sub-pixel electrode may be adjacent to the second area along the second direction.Type: GrantFiled: June 25, 2020Date of Patent: September 14, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho Kil Oh, Hoon Kim, Ki Chul Shin
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Patent number: 10996522Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: GrantFiled: December 19, 2019Date of Patent: May 4, 2021Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Patent number: 10983402Abstract: A liquid crystal display includes a first insulation substrate, a gate line, a data line configured to cross the gate line while being insulated therefrom, a thin film transistor connected to the gate line and the data line, a pixel electrode configured to include a first subpixel electrode connected to the thin film transistor and a second subpixel electrode, a second insulation substrate configured to face the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate to include a plurality of liquid crystal molecules, where each of the first subpixel electrode and the second subpixel electrode includes a unit pixel electrode including a plurality of minute branches that is extended from a horizontal stem and a vertical stem.Type: GrantFiled: January 17, 2020Date of Patent: April 20, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su Wan Woo, Min Wook Park, Young Goo Song, Ki Chul Shin
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Patent number: 10935851Abstract: A liquid crystal display includes a first insulation substrate, a gate line, a data line configured to cross the gate line while being insulated therefrom, a thin film transistor connected to the gate line and the data line, a pixel electrode configured to include a first subpixel electrode connected to the thin film transistor and a second subpixel electrode, a second insulation substrate configured to face the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate to include a plurality of liquid crystal molecules, where each of the first subpixel electrode and the second subpixel electrode includes a unit pixel electrode including a plurality of minute branches that is extended from a horizontal stem and a vertical stem.Type: GrantFiled: January 17, 2020Date of Patent: March 2, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su Wan Woo, Min Wook Park, Young Goo Song, Ki Chul Shin
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Publication number: 20200380930Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a plurality of pixels including a plurality of pixel electrodes formed on a first substrate and including first domain division means, and a common electrode formed on a second substrate that faces the first substrate and including second domain division means; a gate driver and a data driver connected to the plurality of pixels; and a compensation controller connected to the data driver, the compensation controller transmits compensation voltages to the data driver, wherein, when viewed on the same plane, distances between the first domain division means and the second domain division means are changed according to a location of the plurality of pixels, and wherein the compensation voltages are changed corresponding to the distances between the first domain division means and the second domain division means.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Inventors: Hak Sun CHANG, Cheol SHIN, Ki Chul SHIN
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Patent number: 10838267Abstract: A liquid crystal display, including a first substrate; a gate line and a data line disposed on the first substrate; and a pixel electrode connected to the gate line and the data line and comprising a first sub pixel electrode and a second sub pixel electrode disposed on the first substrate. Each of the first sub pixel electrode and the second sub pixel electrode includes a transverse stem; a longitudinal stem; and a plurality of minute branches extending from transverse stem and the longitudinal stem. A width of the first sub pixel electrode is different from a width of the second sub pixel electrode.Type: GrantFiled: November 21, 2019Date of Patent: November 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Jang Wi Ryu, Ki Chul Shin, Jae-Soo Jang
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Patent number: 10831056Abstract: An exemplary embodiment of the present invention provides a display device including: a thin film transistor array panel; an anti-reflective layer overlapping the thin film transistor array panel; and a color conversion display panel positioned between the thin film transistor array panel and the anti-reflective layer, wherein: the color conversion display panel may include a color conversion layer including a semiconductor nanocrystal and a transmissive layer; the anti-reflective layer may include an adhesive layer positioned on the color conversion display panel, a low-reflective layer overlapping the adhesive layer, and a base film positioned between the adhesive layer and the low-reflective layer. A dye is present in one of the layers of the anti-reflective layer.Type: GrantFiled: May 21, 2018Date of Patent: November 10, 2020Assignee: Samsung Display Co., Ltd.Inventors: Ki Chul Shin, Seon-Ah Cho
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Patent number: 10809579Abstract: A liquid crystal display includes: a first substrate; a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode which are separated from each other; a second substrate facing the first substrate; a common electrode on the second substrate; and a liquid crystal layer between the first substrate and the second substrate, in which the first subpixel electrode includes a first plate-shaped portion and a plurality of first branch electrodes extended from the first plate-shaped portion, the second subpixel electrode includes a second plate-shaped portion surrounds the first branch electrodes and a plurality of second branch electrodes extended from the second plate-shaped portion, and a difference between a first voltage applied to the first subpixel electrode and a common voltage applied to the common electrode is larger than a difference between a second voltage applied to the second subpixel electrode and the common voltage.Type: GrantFiled: April 24, 2015Date of Patent: October 20, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Cheol Shin, Jae-Soo Jang, Ki Chul Shin, Jang Wi Ryu, Ho Kil Oh, Ka Eun Kim, Se Hyun Lee, Hyo Ju Jung
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Publication number: 20200326598Abstract: A liquid crystal display device includes a first substrate, a pixel electrode which is disposed on the first substrate and comprises a first sub-pixel electrode and a second sub-pixel electrode adjacent to the first sub-pixel electrode along a first direction, and a shielding electrode which is disposed on the same layer as the pixel electrode and comprises a first area having a first width and a second area having a second width which is smaller than the first width along a second direction which crosses the first direction, and the first sub-pixel electrode may be adjacent to the first area along the second direction, and the second sub-pixel electrode may be adjacent to the second area along the second direction.Type: ApplicationFiled: June 25, 2020Publication date: October 15, 2020Inventors: Ho Kil OH, Hoon KIM, Ki Chul SHIN
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Patent number: 10788714Abstract: A liquid crystal display includes a first substrate, pixel electrodes disposed on the first substrate and including a first sub-pixel electrode and a second sub-pixel electrode separated from each other and positioned in one pixel area, gate lines connected to the pixel electrodes, data lines connected to the pixel electrodes, reference voltage lines connected to the second sub-pixel electrode of the pixel electrodes, a second substrate facing the first substrate, a common electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate and including liquid crystal molecules, a first initial pretilt angle of the liquid crystal molecules corresponding to the first sub-pixel electrode for the second substrate surface is larger than a second initial pretilt angle of the liquid crystal molecules corresponding to the second sub-pixel electrode for the second substrate surface.Type: GrantFiled: July 29, 2019Date of Patent: September 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heung Shik Park, Jae Hoon Jung, Dan Bi Yang, Min-Joo Han, Ji Phyo Hong, Ki Chul Shin
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Patent number: 10782564Abstract: A liquid crystal display includes a lower panel electrode including a lower panel unit electrode, an upper panel electrode including an upper panel unit electrode facing the lower panel unit electrode, and a liquid crystal layer between the lower panel electrode and the upper panel electrode and including liquid crystal molecules, where the lower panel unit electrode includes a center electrode disposed at a center thereof, minute branches which extends from an edge side of the center electrode to an outside, and a first cutout is defined in the center of the center electrode, and the a second cutout is defined in the upper panel unit electrode between the minute branches and the first cutout, and a third cutout is connected to the second cutout and defines a boundary between subregions together with the first cutout.Type: GrantFiled: May 20, 2015Date of Patent: September 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hak Sun Chang, Cheol Shin, Jang Wi Ryu, Ki Chul Shin, Jae-Soo Jang
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Patent number: 10754199Abstract: A liquid crystal composition, a liquid crystal display (LCD) device using the liquid crystal composition, and a method of manufacturing an LCD device are provided. The liquid crystal display device comprises: a first substrate; a liquid crystal layer disposed on the first substrate, the liquid crystal layer including a liquid crystal compound; and a first liquid crystal alignment layer disposed between the first substrate and the liquid crystal layer, wherein the first compound includes a first compound, which has at least one hydrophilic group bonded to one end of a core structure thereof and a benzoyl derivative moiety bonded to the other end of the core structure thereof.Type: GrantFiled: April 24, 2018Date of Patent: August 25, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heung Shik Park, Kyeong Jong Kim, Ki Chul Shin
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Patent number: 10732466Abstract: A liquid-crystal display device includes: a first substrate comprising a plurality of pixels; a pixel electrode disposed on the first substrate in each of the pixels; a second substrate including a surface facing the first substrate; a wavelength conversion layer and a transmissive layer disposed on the surface of the second substrate facing the first substrate; and a liquid-crystal layer disposed between the pixel electrode and the wavelength conversion layer and between the pixel electrode and the transmissive layer, wherein the pixel electrode includes a stem electrode and a plurality of branch electrodes extending from the stem electrode, and wherein all of the plurality of branch electrodes extending from the stem electrode extend in a same direction.Type: GrantFiled: December 4, 2017Date of Patent: August 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Heung Shik Park, Ho Kil Oh, Jae Soo Jang, Ki Chul Shin
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Patent number: 10732468Abstract: A liquid crystal display device includes a first substrate, a pixel electrode which is disposed on the first substrate and comprises a first sub-pixel electrode and a second sub-pixel electrode adjacent to the first sub-pixel electrode along a first direction, and a shielding electrode which is disposed on the same layer as the pixel electrode and comprises a first area having a first width and a second area having a second width which is smaller than the first width along a second direction which crosses the first direction, and the first sub-pixel electrode may be adjacent to the first area along the second direction, and the second sub-pixel electrode may be adjacent to the second area along the second direction.Type: GrantFiled: May 20, 2019Date of Patent: August 4, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho Kil Oh, Hoon Kim, Ki Chul Shin
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Publication number: 20200215390Abstract: Disclosed is a fitness monitoring system. A mobile terminal in a system of the present invention connects ends of multiple signals corresponding to a predetermined behavior and stores a determined envelope area. Further, when a signal relating to a user's behavior corresponds to the envelope area, the mobile terminal determines the user's behavior as the predetermined behavior and determines an accuracy or a similarity of the user's behavior by using a degree of matching of the signal relating to the user's behavior to the envelope area.Type: ApplicationFiled: August 30, 2017Publication date: July 9, 2020Applicant: GREENCOMM CO., LTD.Inventor: Ki Chul SHIN
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Publication number: 20200201125Abstract: A liquid crystal display includes: a first pixel and a second pixel for displaying different colors, the first pixel and the second pixel each including a first sub-pixel electrode receiving a first voltage; a second sub-pixel electrode receiving a second voltage; an insulating layer disposed between the first sub-pixel electrode and the second sub-pixel electrode; and a common electrode receiving a common voltage. A first portion of the first sub-pixel electrode and a second portion of the second sub-pixel electrode overlap each other, a difference between the first voltage and the common voltage is larger than a difference between the second voltage and the common voltage, and a ratio of the second voltage to the first voltage for the first pixel is different from a ratio of the second voltage to the first voltage for the second pixel.Type: ApplicationFiled: March 5, 2020Publication date: June 25, 2020Inventors: Min-Joo HAN, Hyo Sik KIM, Kyu Su AHN, Dan Bi YANG, Hee Hwan LEE, Hoon KIM, Ki Chul SHIN
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Patent number: 10684516Abstract: A liquid crystal display includes a first substrate, a first subpixel electrode, a connecting electrode, and a second subpixel electrode. The first subpixel electrode is on the first substrate and includes a first stem extending in a first direction and a plurality of branches extending from the first stem. The connecting electrode is electrically connected to the first subpixel electrode. The second subpixel electrode is on the same layer as the first subpixel electrode and includes a plurality of separation electrodes that do not overlap the connecting electrode. At least one of the separation electrodes is between a first sub branch and a second sub branch, which neighbor each other from among the branches. The second subpixel electrode is a floating electrode.Type: GrantFiled: January 19, 2017Date of Patent: June 16, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hoon Kim, Kyeong Jong Kim, Ki Chul Shin
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Patent number: 10678095Abstract: A display device includes: a display panel including an insulating substrate, a first electrode disposed on the insulating substrate, and a second electrode disposed on the insulating substrate and disposed to be insulated from the first electrode; a liquid crystal layer disposed on the display panel; and an alignment-inducing layer disposed between the display panel and the liquid crystal layer, wherein the alignment-inducing layer includes a compound having a structure represented by Chemical Formula 1-A: In Chemical Formula 1-A above, R1 is a hydrophilic group, R2 is a hydrogen atom, and A is an alkylene group of 1 to 20 carbon atoms, an alkyleneoxy group of 1 to 20 carbon atoms, or a single bond.Type: GrantFiled: February 22, 2017Date of Patent: June 9, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heung Shik Park, Shin Woong Kang, Ki Chul Shin, Myong Hoon Lee