Patents by Inventor Jung-Gun NAM
Jung-Gun NAM 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: 11919122Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.Type: GrantFiled: September 29, 2020Date of Patent: March 5, 2024Assignees: SAMSUNG DISPLAY CO., LTD., KCTECH CO., LTD.Inventors: Seung Bae Kang, Sung Hyeon Park, Jung Gun Nam, Joon-Hwa Bae, Kyung Bo Lee, Keun Woo Lee, Woo Jin Cho, Byoung Kwon Choo
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Publication number: 20230255052Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Applicant: Samsung Display Co., Ltd.Inventors: Seong Min WANG, Jung Gun NAM, Byeong Hoon CHO, Mu Gyeom KIM
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Patent number: 11705478Abstract: A display device includes a first pixel including a first light emitting area in which first light emitting elements are arranged, a second pixel including a second light emitting area in which second light emitting elements are arranged, a light blocking pattern disposed on the first and second pixels to overlap a peripheral area of the first and second light emitting areas and including a first opening corresponding to the first light emitting area and a second opening corresponding to the second light emitting area, and a color filter including a first color filter pattern disposed in the first opening and a second color filter pattern disposed in the second opening. The second pixel includes a greater number of second light emitting elements than a number of the first light emitting elements. The second opening has an area smaller than an area of the first opening.Type: GrantFiled: February 19, 2021Date of Patent: July 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Chan Lee, Jeong Nyun Kim, Jung Gun Nam, Sung Geun Bae, Sung Jin Lee, Tae Hee Lee
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Patent number: 11653527Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.Type: GrantFiled: December 30, 2020Date of Patent: May 16, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Min Wang, Jung Gun Nam, Byeong Hoon Cho, Mu Gyeom Kim
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Patent number: 11626428Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode and a second electrode spaced apart from each other; a light emitting element disposed between the first electrode and the second electrode and including a first end portion and a second end portion; a third electrode disposed on the first end portion of the light emitting element and electrically connecting the first end portion to the first electrode; and a fourth electrode disposed on the second end portion of the light emitting element and electrically connecting the second end portion to the second electrode. An opening is formed in at least one of the first to fourth electrodes and disposed in a first area and a second area that are adjacent to the first end portion and the second end portion of the light emitting element.Type: GrantFiled: June 1, 2021Date of Patent: April 11, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae Ju Yun, Yong Sub Shim, Min Seong Yi, Kyung Bae Kim, Jin Yool Kim, Jung Gun Nam
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Publication number: 20220302354Abstract: A display device includes a first electrode, a second electrode, and a third electrode extending in one direction on a substrate and being spaced from one another, a first light-emitting element between the first electrode and the second electrode, and a second light-emitting element between the second electrode and the third electrode, a first connection electrode on the first electrode and in contact with a first end of the first light-emitting element, a second connection electrode on one side of the second electrode and in contact with a first end of the second light-emitting element, a third connection electrode on an opposite side of the second electrode and in contact with a second end of the first light-emitting element, and a fourth connection electrode on the third electrode and in contact with a second end of the second light-emitting element.Type: ApplicationFiled: November 10, 2021Publication date: September 22, 2022Inventors: Dong Lim KIM, Cheol Ku KANG, Jeong Nyun KIM, Jung Gun NAM
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Publication number: 20220271021Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.Type: ApplicationFiled: October 5, 2021Publication date: August 25, 2022Applicant: Samsung Display Co., LTD.Inventors: Jong Chan LEE, Jeong Hyun LEE, Hyun KIM, Jung Gun NAM, Jang Soon PARK, Jeong Su PARK, Sung Geun BAE, Myeong Hun SONG, Da Sol JEONG, Won Hyeong HEO
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Publication number: 20220157904Abstract: A display device includes a base substrate; an outer bank on the base substrate and including an opening defining an emission area; a light-emitting element including at least an active layer and extending in a first direction in the emission area; a color mixing prevention member on the outer bank and having an opening defining a transmitting area; and a color control layer in the opening defined by the color mixing prevention member, wherein the transmitting area includes a first side at one side in the first direction and a second side at an opposite side in the first direction when viewed from top, and wherein a first distance between a first reference line and the first side of the transmitting area is equal to a second distance between the second side of the transmitting area and the first reference line.Type: ApplicationFiled: October 4, 2021Publication date: May 19, 2022Inventors: Hae Ju YUN, Min Seong YI, Jin Yool KIM, Jung Gun NAM
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Publication number: 20220068973Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode and a second electrode spaced apart from each other; a light emitting element disposed between the first electrode and the second electrode and including a first end portion and a second end portion; a third electrode disposed on the first end portion of the light emitting element and electrically connecting the first end portion to the first electrode; and a fourth electrode disposed on the second end portion of the light emitting element and electrically connecting the second end portion to the second electrode. An opening is formed in at least one of the first to fourth electrodes and disposed in a first area and a second area that are adjacent to the first end portion and the second end portion of the light emitting element.Type: ApplicationFiled: June 1, 2021Publication date: March 3, 2022Applicant: Samsung Display Co., LTD.Inventors: Hae Ju YUN, Yong Sub SHIM, Min Seong YI, Kyung Bae KIM, Jin Yool KIM, Jung Gun NAM
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Publication number: 20210408104Abstract: A display device includes a first pixel including a first light emitting area in which first light emitting elements are arranged, a second pixel including a second light emitting area in which second light emitting elements are arranged, a light blocking pattern disposed on the first and second pixels to overlap a peripheral area of the first and second light emitting areas and including a first opening corresponding to the first light emitting area and a second opening corresponding to the second light emitting area, and a color filter including a first color filter pattern disposed in the first opening and a second color filter pattern disposed in the second opening. The second pixel includes a greater number of second light emitting elements than a number of the first light emitting elements. The second opening has an area smaller than an area of the first opening.Type: ApplicationFiled: February 19, 2021Publication date: December 30, 2021Applicant: Samsung Display Co., LTD.Inventors: Jong Chan LEE, Jeong Nyun KIM, Jung Gun NAM, Sung Geun BAE, Sung Jin LEE, Tae Hee LEE
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Publication number: 20210119184Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.Type: ApplicationFiled: December 30, 2020Publication date: April 22, 2021Applicant: Samsung Display Co., Ltd.Inventors: Seong Min WANG, Jung Gun NAM, Byeong Hoon CHO, Mu Gyeom KIM
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Publication number: 20210114163Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.Type: ApplicationFiled: September 29, 2020Publication date: April 22, 2021Inventors: Seung Bae KANG, Sung Hyeon PARK, Jung Gun NAM, Joon-Hwa BAE, Kyung Bo LEE, Keun Woo LEE, Woo Jin CHO, Byoung Kwon CHOO
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Patent number: 10935837Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer includes a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.Type: GrantFiled: January 8, 2020Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dae-Hwan Jang, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
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Patent number: 10903456Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.Type: GrantFiled: November 8, 2017Date of Patent: January 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Min Wang, Jung Gun Nam, Byeong Hoon Cho, Mu Gyeom Kim
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Publication number: 20210008685Abstract: A method of manufacturing a display and a chemical mechanical polishing method which employ a chemical mechanical polishing apparatus that includes a conveyor belt to transfer a substrate, a polishing head disposed on the conveyor belt, and a body part which moves the polishing head and supplies a slurry to the polishing head. The polishing head includes a first polishing part including a first polishing pad surrounding a first slurry outlet, and a second polishing part surrounding the first polishing part and including a second polishing pad. A second slurry outlet is formed between the first polishing part and the second polishing part, and the first polishing part and the second polishing part are movable independently of each other in a direction substantially perpendicular to the substrate.Type: ApplicationFiled: July 10, 2020Publication date: January 14, 2021Applicant: Samsung Display Co., LTD.Inventors: Jung-Gun NAM, Seung-Bae KANG, Heesung YANG, Bonggu KANG, Joon-Hwa BAE, Woo-Jin CHO, Byoung-Kwon CHOO
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Publication number: 20200150486Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer includes a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.Type: ApplicationFiled: January 8, 2020Publication date: May 14, 2020Inventors: Dae-Hwan JANG, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
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Patent number: 10558077Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer include a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.Type: GrantFiled: August 23, 2017Date of Patent: February 11, 2020Assignee: Samsung Display Co., Ltd.Inventors: Dae-Hwan Jang, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
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Patent number: 10558078Abstract: A polarizing layer includes a substrate and a plurality of parallel wires disposed on the substrate. Each of the plurality of wires includes a base layer disposed on the substrate and an anti-reflective layer disposed on the base layer. The base layer includes aluminum or an aluminum alloy. The anti-reflective layer has a thickness within a range of 12 nm to 40 nm.Type: GrantFiled: January 12, 2018Date of Patent: February 11, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung In Baek, Hyun Eok Shin, Su Jin Choi, Sang Gab Kim, Ji Hun Kim, Hyeon Hwan Kim, Jung Gun Nam, Young Eun Park, Joon Yong Park, Jin Ho Park, Gyung Min Baek, Yun Jong Yeo, Gug Rae Jo, Hyun Ji Ha, Youn Ho Han
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Patent number: 10451914Abstract: A display device includes: a thin film transistor array panel through which an incident light passes; and a color conversion display panel from which wavelength-converted incident light is emitted to display an image, the color conversion display panel including: a substrate facing the thin film transistor array panel; and between the second substrate and the thin film transistor array panel: color conversion patterns which each wavelength-converts the incident light passed through the thin film transistor array panel, and a transmission pattern which transmits the incident light passed through the thin film transistor array panel; a polarization layer disposed respectively between the thin film transistor array panel, and each of the color conversion and transmission pattern; and an imprint resin layer disposed respectively between the polarization layer, and each of the color conversion and transmission pattern, the imprint resin layer defining an uneven surface thereof facing the polarization layer.Type: GrantFiled: November 20, 2017Date of Patent: October 22, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Woo Kim, Jung Gun Nam, Gug Rae Jo
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Patent number: 10365512Abstract: A display panel including a plurality of pixels. Each of the pixels includes a light blocking part configured to define a first opening, a second opening, and a third opening, a first color filter which overlaps the first opening, a second color filter which overlaps the second opening and having a green color, a third color filter which overlaps the third opening, and a wire grid polarizer including a first stitch line spaced apart from the second opening in a plan view.Type: GrantFiled: October 23, 2015Date of Patent: July 30, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jung-Gun Nam, Hyang-Shik Kong, Soo-Lin Kim, Tae-Woo Kim, Dae-Young Lee, Gug-Rae Jo