Patents by Inventor Seung-Bae KANG
Seung-Bae KANG 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: 11961775Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.Type: GrantFiled: November 8, 2022Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
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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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Patent number: 11910673Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.Type: GrantFiled: February 11, 2022Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang
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Publication number: 20230240094Abstract: Embodiments provide a slurry for polishing copper, a manufacturing method of a display device which uses the slurry, and the display device. The slurry for polishing copper includes an abrasive, a catalyst including a single molecule having an iron ion, a polishing suppressant, and an oxidizing agent.Type: ApplicationFiled: January 20, 2023Publication date: July 27, 2023Applicants: Samsung Display Co., LTD., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Byoung Kwon CHOO, Jea Gun PARK, Seung Bae KANG, Sungjun KIM, Sung Hoon MOON
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Publication number: 20220246702Abstract: A display device includes: a substrate; a first signal line and a second signal line disposed on the substrate; and an interlayer-insulating layer disposed between the first signal line and the second signal line. The interlayer-insulating layer includes a first portion and a second portion having different heights measured from a surface of the substrate along a first direction that is perpendicular to the surface of the substrate, an upper surface of the first portion of the interlayer-insulating layer is flat, a surface of the second portion of the interlayer-insulating layer is flat, a height of the first portion is lower than a height of the second portion, the interlayer-insulating layer defines a contact hole, and the contact hole is disposed in the first portion of the interlayer-insulating layer.Type: ApplicationFiled: October 26, 2021Publication date: August 4, 2022Inventors: Byoung Kwon Choo, Seung Bae Kang, Hee Sung Yang, Bong Gu Kang, Tae Wook Kang, Woo Jin Cho
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Publication number: 20220199694Abstract: A method of fabricating a display device includes: preparing a substrate including emission areas and a non-emission area between the emission areas; forming a bank on the non-emission area to a first height; forming light conversion patterns on the emission areas to a height equal to or less than the first height; polishing a surface of a light conversion layer including the bank and the light conversion patterns so that the surface of the light conversion layer is flat; and forming a filler layer on a surface of the substrate on which the light conversion layer is provided. The polishing of the light conversion layer includes planarizing the surface of the light conversion layer so that the bank and the light conversion patterns have a second height through chemical mechanical polishing utilizing a metallic slurry.Type: ApplicationFiled: December 15, 2021Publication date: June 23, 2022Inventors: Joon Hwa BAE, Bong Gu KANG, Woo Jin CHO, Seung Bae KANG, Hee Sung YANG, Byoung Kwon CHOO
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Publication number: 20220165838Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.Type: ApplicationFiled: February 11, 2022Publication date: May 26, 2022Inventors: Jong Ho HONG, Gun Mo KIM, Jae Min SHIN, Hye Jin JOO, Min Woo KIM, Seung Bae KANG
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Publication number: 20220077260Abstract: A display device according to an embodiment includes: a substrate; a transistor that is disposed on the substrate; a light emitting diode that is disposed on the substrate, and connected to the transistor; and a passivation layer that is disposed between the transistor and the light emitting diode, wherein a surface step of the passivation layer is within a range of and including 1 nm to 30 nm.Type: ApplicationFiled: May 27, 2021Publication date: March 10, 2022Inventors: Byoung Kwon CHOO, Seung Bae KANG, Bong Gu KANG, Tae Joon KIM, Jeong Min PARK, Joon-Hwa BAE, Hee Sung YANG, Woo Jin CHO
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Patent number: 11251255Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.Type: GrantFiled: July 10, 2020Date of Patent: February 15, 2022Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang
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Publication number: 20210273208Abstract: A display device includes a planarization layer covering transistors in a display area on a substrate, an organic light emitting diode on the planarization layer, a pad electrode in a non-display area on the substrate surrounding the display area, and a sacrificial layer remnant capping a side surface of the pad electrode.Type: ApplicationFiled: May 19, 2021Publication date: September 2, 2021Applicant: Samsung Display Co., LTD.Inventors: Heesung YANG, Seung Bae KANG, Bonggu KANG, Tae Wook KANG, Joon-Hwa BAE, Woojin CHO, Byoung Kwon CHOO
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Publication number: 20210210703Abstract: A display device includes a plurality of islands and a bridge connecting the plurality of islands to each other. Each of the plurality of islands includes a flexible substrate, a thin film transistor positioned on a first surface of the flexible substrate, a first electrode connected to the thin film transistor, and a protective mask positioned on a second surface of the flexible substrate.Type: ApplicationFiled: March 23, 2021Publication date: July 8, 2021Inventors: JAE MIN SHIN, Seung Bae Kang, Jong Ho Hong, Gun Mo Kim, Min Woo Kim, Won Sang Park, Hye Jin Joo
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Patent number: 11050045Abstract: A display device includes a planarization layer covering transistors in a display area on a substrate, an organic light emitting diode on the planarization layer, a pad electrode in a non-display area on the substrate surrounding the display area, and a sacrificial layer remnant capping a side surface of the pad electrode.Type: GrantFiled: September 25, 2019Date of Patent: June 29, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heesung Yang, Seung Bae Kang, Bonggu Kang, Tae Wook Kang, Joon-Hwa Bae, Woojin Cho, Byoung Kwon Choo
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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: 10985332Abstract: A display device includes a plurality of islands and a bridge connecting the plurality of islands to each other. Each of the plurality of islands includes a flexible substrate, a thin film transistor positioned on a first surface of the flexible substrate, a first electrode connected to the thin film transistor, and a protective mask positioned on a second surface of the flexible substrate.Type: GrantFiled: April 21, 2017Date of Patent: April 20, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Min Shin, Seung Bae Kang, Jong Ho Hong, Gun Mo Kim, Min Woo Kim, Won Sang Park, Hye Jin Joo
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Patent number: 10937838Abstract: An OLED display device includes a substrate including a display region and a pad region, a display structure in the display region on the substrate, and a pad electrode structure in the pad region on the substrate, the pad electrode structure having a first pad electrode on the substrate, a first insulation layer covering opposite lateral portions of the first pad electrode and exposing a portion of an upper surface of the first pad electrode, a second pad electrode on the first pad electrode and on the first insulation layer, the second pad electrode having a step portion where the first pad electrode and the first insulation layer are overlapped, and a third pad electrode on the second pad electrode and on the first insulation layer, the third electrode covering the second pad electrode.Type: GrantFiled: August 2, 2019Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jin-Seock Kim, Jong-Hee Park, Bong-Won Lee, Seung-Bae Kang, Sang-Gab Kim, Jeong-Min Park, Hyun-Eok Shin
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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: 20200343332Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.Type: ApplicationFiled: July 10, 2020Publication date: October 29, 2020Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang
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Patent number: 10790448Abstract: A flexible electrode for a display device may include a conductive structure including a lower conductive pattern disposed on a substrate and an upper conductive pattern disposed on the lower conductive pattern, and an electrode layer disposed on the substrate, the electrode layer being adjacent to the conductive structure. A width of a top surface of the lower conductive pattern may be less than a width of a bottom surface of the upper conductive pattern.Type: GrantFiled: August 29, 2017Date of Patent: September 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chan-Woo Yang, Seung-Bae Kang, Han-Su Kim, Bong-Won Lee
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Patent number: 10756290Abstract: An organic light-emitting display device is provided. The organic light-emitting display device comprises a substrate, a thin-film transistor (TFT) disposed on the substrate, an overcoat layer disposed on the TFT, a first electrode disposed on the overcoat layer and including a lower electrode layer, an intermediate electrode layer, which is disposed on the lower electrode layer, and an upper electrode layer, which is disposed on the intermediate electrode layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, wherein the first electrode includes a first area in which the lower electrode layer, the intermediate electrode layer and the upper electrode layer are sequentially stacked and a second area in which the lower electrode layer and the upper electrode layer are sequentially stacked.Type: GrantFiled: September 26, 2019Date of Patent: August 25, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jae Min Shin, Woong Sik Kim, Won Sang Park, Seung Bae Kang, Min Woo Kim, Jong Ho Hong
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Patent number: 10748982Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.Type: GrantFiled: May 3, 2019Date of Patent: August 18, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang