Patents by Inventor Kang Heo
Kang Heo 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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Patent number: 11378527Abstract: The present invention relates to an apparatus and a method for inspecting battery cells for automation of total inspection. To this end, the present invention is configured such that test objects are sequentially stacked on a test object casing provided on an upper portion of a mounting stage of a main stage, images of the test objects are obtained by radiography after the test object casing is moved to a test object inspection unit, and the test objects stacked on the test object casing are unloaded to the outside after the images are obtained. Accordingly, the present invention enables total inspection to be performed on battery cells, which are the test objects, in order to quickly divide good and defective products, and solves a delay of a flow rate caused by X-ray inspection of the test object inspection unit in order to improve productivity and efficiency.Type: GrantFiled: May 12, 2020Date of Patent: July 5, 2022Assignee: VIEWORKS CO., LTD.Inventors: Kang Heo, Sang Woo Son, Gwan Su Lee, Doo Ho Kim
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Patent number: 11349054Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other on the substrate, a first insulating pattern on the substrate to cover at least a portion of each of the first electrode and the second electrode, a light emitting element between the first electrode and the second electrode on the first insulating pattern, a first contact electrode in contact with the first electrode and one end portion of the light emitting element, a second contact electrode in contact with the second electrode and another end portion of the light emitting element, and a second insulating pattern on the light emitting element and of which at least a portion is in contact with each of the first contact electrode and the second contact electrode, wherein the second insulating pattern includes a first upper surface not in contact with the first contact electrode or the second contact electrode.Type: GrantFiled: June 24, 2020Date of Patent: May 31, 2022Assignee: Samsung Display Co., Ltd.Inventors: Chong Sup Chang, Hyun Ae Kim, Eui Kang Heo
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Patent number: 11302747Abstract: A display device includes a substrate, a first inner bank and a second inner bank on the substrate and spaced apart from each other, a first electrode on the first inner bank and a second electrode on the second inner bank, and a light emitting element between the first inner bank and the second inner bank, the light emitting element being electrically coupled to the first electrode and the second electrode, wherein the first inner bank comprises a first side surface facing the second inner bank, the second inner bank comprises a second side surface facing the first side surface, and the first side surface and the second side surface are respectively recessed into the first inner bank and the second inner bank, to have a curved shape.Type: GrantFiled: August 21, 2020Date of Patent: April 12, 2022Assignee: Samsung Display Co., Ltd.Inventors: Eui Kang Heo, Chong Sup Chang
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Publication number: 20220085131Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.Type: ApplicationFiled: May 4, 2021Publication date: March 17, 2022Inventors: YOUNGSEOK BAEK, SANGJIN PARK, CHONGSUP CHANG, EUI KANG HEO
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Publication number: 20220045149Abstract: A display apparatus includes a base substrate including a display region in which an image is displayed and a peripheral region that is a non-display region adjacent to the display region, a plurality of pixels disposed on the base substrate in the display region, each of the pixels including a thin film transistor that includes an oxide semiconductor pattern, a data driver disposed in the peripheral region and configured to provide a data voltage to the pixels, and a plurality of test patterns disposed on the base substrate in the peripheral region, each of the test patterns including a test thin film transistor that includes a test oxide semiconductor pattern.Type: ApplicationFiled: February 1, 2019Publication date: February 10, 2022Inventors: Cha-dong KIM, Youngdae KIM, Hyunae KIM, Chongsup CHANG, Eui-kang HEO
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Publication number: 20210359049Abstract: A display device includes a thin film transistor layer including at least one transistor on a substrate; a first electrode on the thin film transistor layer and connected to the at least one transistor; a second electrode spaced from the first electrode on the thin film transistor layer; a plurality of light emitting elements connected to the first electrode and the second electrode; and an electrode pattern on a same layer as the first electrode and the second electrode and overlapping the plurality of light emitting elements in a thickness direction.Type: ApplicationFiled: April 15, 2021Publication date: November 18, 2021Inventors: Eui Kang HEO, Young Seok BAEK, Chong Sup CHANG
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Publication number: 20210272938Abstract: A display device includes a first electrode; a second electrode; a light-emitting element; a first pattern portion adjacent to a first area in which the first electrode and the light-emitting element overlap each other in a plan view; a second pattern portion adjacent to a second area in which the second electrode and the light-emitting element overlap each other in a plan view; a first connection electrode covering the light-emitting element and the first pattern portion and being electrically connected to the light-emitting element and the first electrode; and a second connection electrode covering the light-emitting element and the second pattern portion and being electrically connected to the light-emitting element and the second electrode.Type: ApplicationFiled: May 13, 2019Publication date: September 2, 2021Inventors: Chongsup CHANG, Hyunae KIM, Eui Kang HEO
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Publication number: 20210226166Abstract: A method of manufacturing a display device may include sequentially forming a first conductive layer, a second conductive layer including copper (Cu), a third conductive layer, and a fourth conductive layer on a substrate, patterning the first conductive layer, the second conductive layer, the third conductive layer, and the fourth conductive layer together to form a conductive pattern including a first layer, a second layer, a third layer, and a fourth layer sequentially on the substrate, removing the fourth layer of the conductive pattern, forming a protective layer covering at least a sidewall of the conductive layer on the substrate, and forming a display element on the protective layer.Type: ApplicationFiled: October 22, 2020Publication date: July 22, 2021Inventors: Young Seok BAEK, Chong Sup CHANG, Hana SEO, Eui Kang HEO
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Publication number: 20210183826Abstract: A display device includes a substrate including a display area and a non-display area around the display area; and a display element layer on the substrate. The display element layer may include first and second electrodes extending in a first direction and spaced apart from each other in a second direction that is different from the first direction; a first light emitting element electrically coupled to the first and second electrodes; a first dummy electrode extending in the first direction and spaced apart from the first and second electrodes; second dummy electrodes spaced apart from each other in the first direction and spaced apart from the first electrode, the second electrode, and the first dummy electrode; and a second light emitting element electrically coupled to the first dummy electrode and the second dummy electrodes.Type: ApplicationFiled: August 20, 2020Publication date: June 17, 2021Inventors: Chong Sup CHANG, Eui Kang HEO, Young Seok BAEK, Ha Na SEO
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Publication number: 20210159250Abstract: A display includes a substrate, a first electrode base layer and a second electrode base layer spaced from each other on the substrate, a first electrode on the first electrode base layer and a second electrode on the second electrode base layer, a first inner bank between the first electrode base layer and the first electrode and a second inner bank between the second electrode base layer and the second electrode, and a light emitting element between the first electrode and the second electrode, at least one end portion of the light emitting element being electrically connected to the first electrode or the second electrode, wherein a side surface of one end portion of each of the first and second electrode base layers is at the same line as a side surface of an end portion of a corresponding one of the first and second electrodes.Type: ApplicationFiled: September 14, 2020Publication date: May 27, 2021Inventors: Chong Sup CHANG, Eui Kang HEO, Young Seok BAEK, Ha Na SEO
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Publication number: 20210159268Abstract: A display device includes a substrate, a first inner bank and a second inner bank on the substrate and spaced apart from each other, a first electrode on the first inner bank and a second electrode on the second inner bank, and a light emitting element between the first inner bank and the second inner bank, the light emitting element being electrically coupled to the first electrode and the second electrode, wherein the first inner bank comprises a first side surface facing the second inner bank, the second inner bank comprises a second side surface facing the first side surface, and the first side surface and the second side surface are respectively recessed into the first inner bank and the second inner bank, to have a curved shape.Type: ApplicationFiled: August 21, 2020Publication date: May 27, 2021Inventors: Eui Kang HEO, Chong Sup CHANG
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Patent number: 11010582Abstract: The present invention relates to a TFT panel type fingerprint recognition sensor comprising: a total reflection unit for totally reflecting light emitted from a light source; a photodiode for detecting light reflected through the total reflection unit; and a TFT panel for processing voltage output from the photodiode so as to perform imaging.Type: GrantFiled: March 29, 2017Date of Patent: May 18, 2021Assignee: VIEWORKS CO., LTD.Inventors: Kang Heo, Hoo Shik Kim
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Publication number: 20210134769Abstract: A display device includes a substrate, a first electrode, and a second electrode spaced from each other on the substrate, a first insulating layer on the first electrode, a first light emitting element between the first electrode and the second electrode, a second light emitting element on the first insulating layer and spaced from the first light emitting element, and a second insulating layer on the first insulating layer and covering at least a portion of the second light emitting element, wherein the first insulating layer includes at least one first opening penetrating the first insulating layer to expose a portion of the first electrode, the second insulating layer includes at least one second opening penetrating the second insulating layer to expose a portion of the first insulating layer, the at least one first opening and the at least one second opening do not overlap each other.Type: ApplicationFiled: November 3, 2020Publication date: May 6, 2021Inventors: Bum Soo KAM, Eui Kang HEO
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Publication number: 20210091050Abstract: A display device includes a first electrode and a second electrode disposed on a substrate and spaced apart from each other, a first light emitting element disposed between the first electrode and the second electrode, a second light emitting element disposed on the first electrode and spaced apart from the first light emitting element, and an insulating layer disposed on the first electrode and overlapping the second light emitting element. The insulating layer includes at least one contact hole which penetrates the insulating layer to expose a part of the first electrode.Type: ApplicationFiled: June 30, 2020Publication date: March 25, 2021Applicant: Samsung Display Co., LTD.Inventors: Eui Kang HEO, Chong Sup CHANG
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Publication number: 20210074769Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.Type: ApplicationFiled: June 18, 2020Publication date: March 11, 2021Inventors: Sang Jin PARK, Hyun Ae KIM, Hee Ra KIM, Ha Na SEO, Chong Sup CHANG, Eui Kang HEO
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Publication number: 20210066561Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other on the substrate, a first insulating pattern on the substrate to cover at least a portion of each of the first electrode and the second electrode, a light emitting element between the first electrode and the second electrode on the first insulating pattern, a first contact electrode in contact with the first electrode and one end portion of the light emitting element, a second contact electrode in contact with the second electrode and another end portion of the light emitting element, and a second insulating pattern on the light emitting element and of which at least a portion is in contact with each of the first contact electrode and the second contact electrode, wherein the second insulating pattern includes a first upper surface not in contact with the first contact electrode or the second contact electrode.Type: ApplicationFiled: June 24, 2020Publication date: March 4, 2021Inventors: Chong Sup Chang, Hyun Ae Kim, Eui Kang Heo
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Patent number: 10845903Abstract: A display device includes a peripheral area around a display area, a display element in the display area, and a dam in the peripheral area. A thin film encapsulation layer covers the dam and the display element. A touch sensor is on the thin film encapsulation layer. A first insulating layer is between the thin film encapsulation layer and the touch sensor and has a first region and a second region. A dielectric constant of the first region is lower than a dielectric constant of the second region, and the first region is between the dam and the touch sensor.Type: GrantFiled: April 27, 2018Date of Patent: November 24, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yong-Hwan Ryu, Young Dae Kim, Hee Na Kim, Sang Jin Park, Tae Hyeok Choi, Eui Kang Heo
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Publication number: 20200363344Abstract: The present invention relates to an apparatus and a method for inspecting battery cells for automation of total inspection. To this end, the present invention is configured such that test objects are sequentially stacked on a test object casing provided on an upper portion of a mounting stage of a main stage, images of the test objects are obtained by radiography after the test object casing is moved to a test object inspection unit, and the test objects stacked on the test object casing are unloaded to the outside after the images are obtained. Accordingly, the present invention enables total inspection to be performed on battery cells, which are the test objects, in order to quickly divide good and defective products, and solves a delay of a flow rate caused by X-ray inspection of the test object inspection unit in order to improve productivity and efficiency.Type: ApplicationFiled: May 12, 2020Publication date: November 19, 2020Applicant: VIEWORKS CO., LTD.Inventors: Kang HEO, Sang Woo SON, Gwan Su LEE, Doo Ho KIM
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Publication number: 20200302141Abstract: The present invention relates to a TFT panel type fingerprint recognition sensor comprising: a total reflection unit for totally reflecting light emitted from a light source; a photodiode for detecting light reflected through the total reflection unit; and a TFT panel for processing voltage output from the photodiode so as to perform imaging.Type: ApplicationFiled: March 29, 2017Publication date: September 24, 2020Applicant: VIEWORKS CO., LTD.Inventors: Kang Heo, Hoo Shik Kim
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Patent number: 10483337Abstract: An organic light emitting display device may include a switching element disposed on a substrate, a planarization layer covering the switching element, a first electrode disposed on the planarization layer and coupled to the switching element, a first through hole being defined in a peripheral portion of the first electrode, a pixel defining layer covering the peripheral portion of the first electrode to expose an emission portion of the first electrode, an organic light emitting layer disposed on the emission portion of the first electrode, and a second electrode disposed on the organic light emitting layer.Type: GrantFiled: April 27, 2018Date of Patent: November 19, 2019Assignee: Samsung Display Co., Ltd.Inventors: Eui Kang Heo, Youngdae Kim, Jeong-Seon Kim, Cha-Dong Kim, Hyunae Kim