Patents by Inventor Joo-Han Bae
Joo-Han Bae 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: 20160041647Abstract: A method for fabricating a touch screen panel includes forming a metal layer on a substrate, and patterning the metal layer to form a metal pattern including a pad metal layer, a wiring metal layer, a connection metal layer, and a sensing metal layer including metal lines having a mesh shape. The method also includes forming a first transparent conductive layer on the substrate, forming an insulation layer on the first transparent conductive layer, patterning the insulation layer to form a wiring insulation layer, a connection insulation layer, and a sensing insulation layer, patterning the first transparent conductive layer to form a peripheral wiring, a connector, and a sensing electrode; forming a second transparent conductive layer on the substrate including the peripheral wiring, the connector, and the sensing electrode; and patterning the second transparent conductive layer to form a pad area and a bridge.Type: ApplicationFiled: April 13, 2015Publication date: February 11, 2016Inventors: Joo-Han BAE, Jinhwan KIM
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Patent number: 9217858Abstract: A display substrate including a base substrate, a plurality of pixel electrodes and a plurality of sub pixel electrodes. The pixel electrodes are formed on the base substrate, are spaced apart from each other, and are electrically connected with a plurality of transistors, respectively. The sub pixel electrodes are disposed between the pixel electrodes, and are electrically connected with a thin-film transistor (TFT). Thus, quality of an image displayed by the display apparatus may be enhanced.Type: GrantFiled: May 11, 2012Date of Patent: December 22, 2015Assignee: Samsung Display Co., Ltd.Inventors: Tae-Hyung Hwang, Joo-Han Bae, Joon-Youp Kim
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Patent number: 9146433Abstract: A display device includes a substrate, gate lines extended in a first direction on the substrate, data lines extended in a second direction substantially perpendicular to the first direction on the substrate, and pixels connected to the gate and data lines. Each pixel includes a transistor having one end connected to a data line, and a gate electrode connected to a corresponding gate line, a liquid crystal layer disposed in a tunnel-shaped cavity, first and second electrodes for applying an electric field to the liquid crystal layer. The first electrode of each pixel is connected to another end of the transistor, a second electrode of each pixel overlaps the first electrode of one of its adjacent pixels, and the first electrode of each pixel overlaps a second electrode of another one of its adjacent pixels.Type: GrantFiled: December 16, 2013Date of Patent: September 29, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joo-Han Bae, Seonggyu Kwon, Donghyun Yu, Hyung-Il Jeon
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Publication number: 20150253565Abstract: The present inventive concept relates to an electrowetting display device including a lyophobic colloid material and a polymer resin such as an organic layer or a polyimide (PI), and a lyophobic layer including a supporting layer supporting the lyophobic colloid material and using a photoreactive fluorine-based surfactant for a fluorine-based material to be positioned above and for a hardened photoreactive material layer to be positioned below through exposure in a single step without separately performing a hydrophilic treatment and then a water-repellent treatment, thereby reducing the number of processes, the manufacturing time, and the cost.Type: ApplicationFiled: March 16, 2015Publication date: September 10, 2015Inventors: Bo Ram Lee, Dae Jin Park, Joo-Han Bae, Seung-Jin Baek, Da Hye Yoon, Hyeon Gu Cho, Taimei Kodaira
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Patent number: 9128337Abstract: A display apparatus includes a display panel, and at least one flexible printed circuit board connected to the display panel. The display panel includes signal lines, pixels connected to the signal lines, and contact pads provided at one end of the signal lines. The flexible printed circuit board includes a fan-out part including a plurality of connection lines corresponding to the contact pads in a one-to-one correspondence, overlapping with the contact pads and connected to the contact pads, and a driving driver connected to the connection lines, the driving driver applying a driving signal to the pixels.Type: GrantFiled: June 28, 2011Date of Patent: September 8, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Myoung Lee, Namseok Roh, Kyungtae Chae, Hyung-Il Jeon, Joo-Han Bae, Jihoon Yang
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Patent number: 9056420Abstract: A draw press device may include a lower mold having a lower surface forming portion, a blank holder disposed outside the lower mold, an upper mold having an upper surface forming portion disposed at an upper side slider above an upper side of the lower mold, and a stretching forming portion that performs a stretching when both end portions of the material panel are grasped by a cam operation before shaping or pressing the material panel.Type: GrantFiled: December 6, 2013Date of Patent: June 16, 2015Assignee: HYUNDAI MOTOR COMPANYInventors: Seung Jik Lee, Jong Kun Cho, Joo Han Bae
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Publication number: 20150160764Abstract: A touch panel and a method for manufacturing the same, where the touch panel includes: a substrate; a first sensing electrode pattern disposed on the insulation substrate, including a plurality of first sensing electrodes, a first connection to connect the plurality of first sensing electrodes in a first direction, and a plurality of floating electrodes; and a second sensing electrode pattern including a plurality of second sensing electrodes insulated from the plurality of floating electrodes and overlapping the plurality of floating electrodes and a second connection to connect the plurality of second sensing electrodes in a second direction perpendicular to the first direction. The first sensing electrode pattern includes nanowire. The second sensing electrode pattern includes a transparent conductive material.Type: ApplicationFiled: October 15, 2014Publication date: June 11, 2015Inventors: Joo-Han BAE, Jin Hwan KIM, Hee Woong PARK, Byeong Kyu JEON
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Publication number: 20150123935Abstract: A touch location sensing panel including horizontal location sensing electrodes and vertical location sensing electrodes, which are arranged in two dimensions on one surface of a base layer and are electrically isolated from each other. A conductive layer is formed within the electrode and on at least a part of the electrode. The electrodes are connected to separate channels of a circuit sensing a touch of a user, respectively, and the conductive layer and the sensing electrodes have a difference in color, so that an image is expressed in an entire region of the sensing panel.Type: ApplicationFiled: July 16, 2014Publication date: May 7, 2015Inventors: Hee Woong PARK, Sung Ku KANG, Jin Hwan KIM, Joo-Han BAE, Byeong Kyu JEON
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Publication number: 20150122624Abstract: A touch panel including: a substrate; first conductive patterns separately disposed on the substrate with a preset distance therebetween; second conductive patterns formed thereon to separately intersect the first conductive patterns with a preset distance therebetween; a second connecting member configured to connect adjacent second conductive patterns to each other; an insulating pattern configured to cover a preselected region of the second connecting member; and a first connecting member disposed on the insulating pattern to connect adjacent first conductive patterns to each other. The first conductive patterns and the second conductive pattern portion are flexible.Type: ApplicationFiled: August 13, 2014Publication date: May 7, 2015Inventors: Jin Hwan KIM, Hee Woong Park, Joo-Han Bae, Byeong Kyu Jeon
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Publication number: 20150107977Abstract: A touch screen panel includes a touch substrate, first sensing electrodes, second sensing electrodes, and outer lines. The touch substrate includes a touch active area and a touch non-active area. The first and second sensing electrodes are disposed in the touch active area and insulated from each other while crossing each other. Each first sensing electrode includes a first sensing metal layer and a first transparent sensing electrode layer. Each second sensing electrode includes a second sensing metal layer and a second transparent sensing electrode layer. Each outer line includes a first outer metal layer, a transparent outer electrode layer, and a second outer metal layer.Type: ApplicationFiled: April 16, 2014Publication date: April 23, 2015Applicant: Samsung Display Co., Ltd.Inventors: Byeong-Jin LEE, Joo-Han BAE, Byeongkyu JEON, Sungku KANG, Jinhwan KIM, Heewoong PARK, Jee-Hun LIM
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Publication number: 20150101919Abstract: An exemplary embodiment of the present invention discloses a method of manufacturing a touch panel, the method including, forming a plurality of sensing cells in a first region of a substrate, forming an insulating interlayer on the plurality of sensing cells, removing at least a portion of the insulating interlayer to form contact holes exposing the plurality of sensing cells, and forming a connection pattern and a transparent conductive pattern on the insulating interlayer simultaneously, wherein the connection pattern is electrically connected to adjacent sensing cells, and the transparent conductive pattern is disposed in a second region of the substrate outside of the first region.Type: ApplicationFiled: September 30, 2014Publication date: April 16, 2015Inventors: Joo-Han BAE, Sung-Ku KANG, Jin-Hwan KIM, Hee-Woong PARK, Byeong-Kyu JEON
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Patent number: 9001284Abstract: A liquid crystal display includes a gate line formed on an insulation substrate. A data line, insulated from the gate line, crosses the gate line. A first pixel is connected to the gate line and the data line. The pixel includes a thin film transistor having a control terminal connected to the gate line and an input terminal connected to the data line. A first liquid crystal capacitor has one end connected to an output terminal of the thin film transistor. A second liquid crystal capacitor has one end connected to the other end of the first liquid crystal capacitor. The first liquid crystal capacitor includes a first liquid crystal layer formed in a first microcavity and the second liquid crystal capacitor includes a second liquid crystal layer formed in a second microcavity.Type: GrantFiled: May 8, 2013Date of Patent: April 7, 2015Assignee: Samsung Display Co., Ltd.Inventors: Joo-Han Bae, Dong Hyun Yu, Hyung-Il Jeon
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Patent number: 8982444Abstract: The present inventive concept relates to an electrowetting display device including a lyophobic colloid material and a polymer resin such as an organic layer or a polyimide (PI), and a lyophobic layer including a supporting layer supporting the lyophobic colloid material and using a photoreactive fluorine-based surfactant for a fluorine-based material to be positioned above and for a hardened photoreactive material layer to be positioned below through exposure in a single step without separately performing a hydrophilic treatment and then a water-repellent treatment, thereby reducing the number of processes, the manufacturing time, and the cost.Type: GrantFiled: January 24, 2013Date of Patent: March 17, 2015Assignee: Amazon Technologies, Inc.Inventors: Bo Ram Lee, Taimei Kodaira, Dae Jin Park, Joo-Han Bae, Seung-Jin Baek, Da Hye Yoon, Hyeon Gu Cho
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Publication number: 20140375920Abstract: A display device includes a substrate, gate lines extended in a first direction on the substrate, data lines extended in a second direction substantially perpendicular to the first direction on the substrate, and pixels connected to the gate and data lines. Each pixel includes a transistor having one end connected to a data line, and a gate electrode connected to a corresponding gate line, a liquid crystal layer disposed in a tunnel-shaped cavity, first and second electrodes for applying an electric field to the liquid crystal layer. The first electrode of each pixel is connected to another end of the transistor, a second electrode of each pixel overlaps the first electrode of one of its adjacent pixels, and the first electrode of each pixel overlaps a second electrode of another one of its adjacent pixels.Type: ApplicationFiled: December 16, 2013Publication date: December 25, 2014Applicant: Samsung Display Co., Ltd.Inventors: JOO-HAN BAE, SEONGGYU KWON, DONGHYUN YU, Hyung-Il JEON
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Patent number: 8890861Abstract: In an electrophoretic display apparatus, a first substrate includes a plurality of pixels each including at least two sub-pixels which display colors different from each other, and a second substrate which faces the first substrate and includes a reference electrode corresponding to a boundary between adjacent sub-pixels in each pixel. An electrophoretic material is between the first substrate and the second substrate. A barrier wall is between the first substrate and the second substrate, and defines the pixels.Type: GrantFiled: September 8, 2011Date of Patent: November 18, 2014Assignee: Samsung Display Co., Ltd.Inventors: SonUk Lee, Seonggyu Kwon, Namseok Roh, Tae Hyung Hwang, Joo-Han Bae, Sang-Hee Jang
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Patent number: 8810894Abstract: An electrophoretic display device is provided. The device includes an array substrate including a plurality of pixels, an opposite substrate facing the array substrate, and an electrophoretic layer provided between the array substrate and the opposite substrate. The electrophoretic layer includes a non-polar solvent and at least two types of polar particles dispersed in the non-polar solvent that display different colors from each other. One of the array substrate and the opposite substrate includes a plurality of capturing holes configured to capture the polar particles when an electric field is applied between the array substrate and the opposite substrate.Type: GrantFiled: January 23, 2012Date of Patent: August 19, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seok-Joon Hong, Yujin Kim, Joo-Han Bae, Hyung-Il Jeon
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Publication number: 20140184998Abstract: A method to manufacture a display device, includes: forming, on a substrate of the display device, a sacrificial layer including a material, the material including at least one of amorphous carbon, a metal, and an inorganic material; forming a layer covering the sacrificial layer; forming an injection hole exposing the sacrificial layer; removing, via the injection hole, the sacrificial layer to form a microcavity; and disposing liquid crystal in the microcavity.Type: ApplicationFiled: June 3, 2013Publication date: July 3, 2014Inventors: Dong Hyun YU, Hyung-II Jeon, Gwan Ha Kim, Joo-Han Bae
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Publication number: 20140186481Abstract: A draw press device may include a lower mold having a lower surface forming portion, a blank holder disposed outside the lower mold, an upper mold having an upper surface forming portion disposed at an upper side slider above an upper side of the lower mold, and a stretching forming portion that performs a stretching when both end portions of the material panel are grasped by a cam operation before shaping or pressing the material panel.Type: ApplicationFiled: December 6, 2013Publication date: July 3, 2014Applicant: Hyundai Motor CompanyInventors: Seung Jik LEE, Jong Kun CHO, Joo Han BAE
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Publication number: 20140184970Abstract: A liquid crystal display includes a gate line formed on an insulation substrate. A data line, insulated from the gate line, crosses the gate line. A first pixel is connected to the gate line and the data line. The pixel includes a thin film transistor having a control terminal connected to the gate line and an input terminal connected to the data line. A first liquid crystal capacitor has one end connected to an output terminal of the thin film transistor. A second liquid crystal capacitor has one end connected to the other end of the first liquid crystal capacitor. The first liquid crystal capacitor includes a first liquid crystal layer formed in a first microcavity and the second liquid crystal capacitor includes a second liquid crystal layer formed in a second microcavity.Type: ApplicationFiled: May 8, 2013Publication date: July 3, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Joo-Han Bae, Dong Hyun Yu, Hyung-IL Jeon
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Publication number: 20140184974Abstract: A display device is provided. The display device includes a substrate including a pixel region, a thin film transistor formed on the substrate, a light blocking member formed at a boundary of the pixel region, and a pixel electrode formed in the pixel region, the pixel electrode connected to the thin film transistor. The display device also includes a common electrode formed on the light blocking member, the common electrode spaced apart from the pixel electrode with a microcavity interposed between the common electrode and the pixel electrode, and a roof layer comprising a color filter formed on the common electrode. The display device further includes an opening formed in the common electrode and the roof layer to expose a portion of the microcavity, a liquid crystal filling the microcavity, and an overcoat formed on the roof layer to cover the opening and seal the microcavity for each pixel region.Type: ApplicationFiled: September 13, 2013Publication date: July 3, 2014Applicant: Samsung Display Co., Ltd.Inventors: Joo-Han BAE, Dong Hyun YU, Hyung-Il JEON