Patents by Inventor Tae-Hoon Yang
Tae-Hoon Yang 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: 11791318Abstract: A display device includes a substrate, a display element layer disposed on a first surface of the substrate and including a light emitting element that emits light, and a pixel circuit layer disposed on the display element layer and including a transistor electrically connected to the light emitting element. The display element layer includes a first contact electrode electrically connected to a first end of the light emitting element, and a second contact electrode electrically connected to a second end of the light emitting element. The pixel circuit layer includes a reflective layer disposed on the display element layer and overlapping the light emitting element. One of the first contact electrode and the second contact electrode is electrically connected to the transistor. The reflective layer reflects the light emitted from the light emitting element toward a second surface of the substrate.Type: GrantFiled: August 12, 2020Date of Patent: October 17, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Min Lee, Jin Yeong Kim, Sang Ho Park, Tae Hoon Yang, Sung Jin Lee, Jin Woo Lee
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Patent number: 11785824Abstract: A display device includes a first substrate including a plurality of unit light emitting areas; a first electrode and a second electrode in each of the unit light emitting areas of the first substrate; a first insulation layer exposing one region of each of the first electrode and the second electrode; a light emitting element on the first insulation layer and having a first end and a second end in a length direction; light conversion patterns adjacent to the light emitting element, covering a portion of an upper surface of the light emitting element, and exposing the first and second ends of the light emitting element; a first contact electrode on the first electrode and connecting the one region of the exposed first electrode and the first end of the light emitting element; and a second contact electrode on the second electrode.Type: GrantFiled: January 13, 2021Date of Patent: October 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin Woo Lee, Sang Ho Park, Tae Hoon Yang, Jin Yeong Kim, Jin Taek Kim, Soo Hyun Moon, Mi Jin Park
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Patent number: 11770893Abstract: A display device includes: a display panel including a bending area; and a first passivation film and a second passivation film disposed on a first surface of the display panel to be spaced apart from each other. The second passivation film includes a first flat portion and a first stepped portion overlapping the bending area, and a thickness of the first stepped portion is less than a thickness of the first flat portion.Type: GrantFiled: June 30, 2020Date of Patent: September 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Min Song, Ki Nyeng Kang, Seon Beom Ji, Tae Hoon Yang
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Publication number: 20230287435Abstract: The present disclosure provides microbial organisms having decreased production of unwanted by-products (e.g, pyruvate-, CO2—, TCA-derived by-products; acetate; ethanol; and/or, alanine) to enhance carbon flux through acetyl-CoA, which can increase production of acetyl-CoA derived compounds (e.g, 1,3-BDO, MMA, and (3R)-hydroxybutyl (3R)-hydroxybutyrate, or any other acetyl-CoA derived compounds), and products made from any of these compounds. Also provided are one or more exogenous nucleic acids encoding enzymes that can decrease production of unwanted by-products (e.g, aldehyde dehydrogenase, acetyl-CoA synthase, amino acid dehydrogenase, alanine racemase, and/or citrate synthase), and/or one or more gene attenuations occurring in genes (e.g., acetolactate synthase) that result in decreased production of unwanted by-products. Various combinations of the exogenous nucleic acids and gene deletions are also provided in the present disclosure.Type: ApplicationFiled: October 28, 2020Publication date: September 14, 2023Inventors: Harish Nagarajan, Gionata Scalcinati, Tae Hoon Yang
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Publication number: 20230267862Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.Type: ApplicationFiled: April 24, 2023Publication date: August 24, 2023Inventors: Ki Nyeng KANG, Min Joo KIM, Tae Hoon YANG, Sang Hoon LEE, Seon Beom JI
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Publication number: 20230253442Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.Type: ApplicationFiled: March 20, 2023Publication date: August 10, 2023Inventors: Jin Taek KIM, Jin Yeong KIM, Soo Hyun MOON, Sang Ho PARK, Seung Min LEE, Jin Woo LEE, Tae Hoon YANG
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Patent number: 11723255Abstract: A display device includes: a display panel including a substrate, where the display panel is divided into a first display region in which a plurality of first pixels is disposed and a second display region in which a plurality of second pixels is disposed; and a sensor overlapping the second display region of the display panel. The second display region includes a plurality of unit pixel blocks, each including two second pixels adjacent to each other in a first direction and two second pixels adjacent to each other in a second direction intersecting the first direction, and a transmissive region through which light is transmitted. A distance between two unit pixel blocks adjacent to each other in the first direction is greater than a distance between two unit pixel blocks adjacent to each other in an oblique direction inclined to the first direction.Type: GrantFiled: January 27, 2021Date of Patent: August 8, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Jin Hong, Gun Shik Kim, Tae Hoon Yang, Ja Eun Lee, Sun Ho Kim
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Patent number: 11694469Abstract: A display device includes a substrate and a pixel layer disposed on the substrate. The pixel layer includes a circuit element layer having an opening. The circuit element layer includes a first semiconductor layer and a first conductive layer that includes a first scan line pattern and an emission control line. A second conductive layer is disposed on the first conductive layer and includes a first initialization line, a second scan line pattern and a third scan line pattern. A second semiconductor layer is disposed on the second conductive layer. A third conductive layer is disposed on the second semiconductor layer and includes fourth and fifth scan line patterns. The first initialization line includes a first portion and a second portion each extending in a first direction, and a third portion disposed therebetween. The second portion extends diagonally with respect to the first direction.Type: GrantFiled: August 5, 2021Date of Patent: July 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki June Lee, Tae Hoon Yang, Dae Young Lee, Sun Hwa Lee, Ki Hyun Pyo
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Publication number: 20230209887Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Inventors: Sun Ho KIM, Sun Hee LEE, Gun Hee KIM, Tae Hoon YANG, Seung Chan LEE, Joo Hee JEON
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Publication number: 20230209916Abstract: A display device includes a first display area and a second display area adjacent to the first display area in a first direction, driving elements, light-emitting elements including a pixel electrode electrically connected to a corresponding one of the driving elements, signal wirings that transfer a driving signal to the driving elements, and connection wirings that transfer a driving signal to signal wirings disposed in the second display area. At least one of the connection wirings includes a first signal-transferring portion extending in the first direction, a second signal-transferring portion extending in a second direction, and dummy portions extending in a direction intersecting the first and second signal-transferring portions. The pixel electrode overlaps a gap between dummy portions of adjacent connection wirings in an area where the connection wirings are disposed.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Applicant: Samsung Display Co., LTD.Inventors: Min Joo KIM, Sun Ho KIM, Seung-Hwan CHO, Tae Woo KIM, Tae Hoon YANG, Jong Hyun CHOI
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Publication number: 20230189592Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: Sun Ho KIM, Gun Hee KIM, Dong Hwan SHIM, Tae Hoon YANG, Sun Hee LEE
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Patent number: 11678521Abstract: A display device, includes: a substrate including pixel areas and a transmissive area between the pixel areas; a pixel circuit layer including at least one transistor on each of the pixel areas; and a light-emitting element layer on the pixel circuit layer and including at least one light-emitting element at each of the pixel areas and coupled to the at least one transistor, and a transparent organic layer at the transmissive area, wherein the light-emitting element layer further includes: a first electrode at the pixel areas, a first inorganic layer at the first electrode, an organic layer covering the first inorganic layer and the transparent organic layer, and a second inorganic layer on the organic layer.Type: GrantFiled: October 27, 2020Date of Patent: June 13, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joo Hee Jeon, Tae Hoon Yang, Gun Hee Kim, Sung Jin Hong
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Publication number: 20230180403Abstract: A display device includes a display panel sliding in a first direction. A panel storage compartment is configured to accommodate the display panel therein and to assist a sliding operation of the display panel in the first direction. A plurality of segments are attached to a lower surface of the display panel, each of the plurality of segments are extended in a second direction intersecting the first direction, and are spaced apart from one another in the first direction. Bearings are disposed inside the plurality of segments and are at least partially exposed by the plurality of segments. The panel storage compartment includes guide rails engaged with the bearings.Type: ApplicationFiled: July 20, 2022Publication date: June 8, 2023Inventors: SUNG SANG AHN, TAE CHANG KIM, TAE HOON YANG, JUNG HUN LEE
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Publication number: 20230176614Abstract: A display device includes a display panel including a first active area, a second active area configured to slide in the first direction, a third active area configured to slide in the first direction, a first dummy area, and a second dummy area. A plurality of joints extend in a second direction intersecting the first direction, are spaced apart from each other in the first direction, are attached to a bottom surface of the display panel, and overlap the second active area, the third active area, the first dummy area, and the second dummy area. A first fixing tool and a second fixing tool are disposed on the first and second dummy area of the display panel, respectively, and are configured to assist a sliding behavior of the display panel.Type: ApplicationFiled: July 21, 2022Publication date: June 8, 2023Inventors: TAE CHANG KIM, TAE HOON YANG
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Publication number: 20230152857Abstract: A display device includes: a bendable display panel including a flat area and bendable areas; and a support module disposed on the display panel, wherein the support module supports the display panel, wherein the support module includes a support plate and joints, wherein the support plate overlaps the flat area and the bendable areas and includes lattice pattern areas including lattice patterns, and wherein the joints are disposed on the support plate, are disposed to overlap with the bendable areas, and are spaced apart from one another in the first direction. Each of the joints has a top surface and a bottom surface, wherein the top surface is disposed on the support plate, and the bottom surface is opposite to the top surface, and a width of each of the top surfaces of the joints is less than a width of each of the bottom surfaces of the joints.Type: ApplicationFiled: August 16, 2022Publication date: May 18, 2023Inventors: Sung Sang AHN, Hyun Min PARK, Tae An SEO, Tae Hoon YANG
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Patent number: 11636788Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.Type: GrantFiled: December 9, 2020Date of Patent: April 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ki Nyeng Kang, Min Joo Kim, Tae Hoon Yang, Sang Hoon Lee, Seon Beom Ji
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Publication number: 20230120770Abstract: A display device includes a substrate including a display area including pixels, and a light transmissive area including a portion in the display area, and signal lines disposed in the display area and electrically connected with the pixels, where the signal lines include a first signal line on a first side, a second signal line on a second side and arranged with the first signal line in a first direction, and a third signal line on a third side, and the third signal line is arranged with the first signal line and the second signal line in a second direction, the first and second signal lines are insulated from each other in the display area, and a length of the third signal line is longer than a length of the second signal line in the first direction.Type: ApplicationFiled: December 19, 2022Publication date: April 20, 2023Inventors: Sang Hoon LEE, Ki Nyeng KANG, Sun Kwang KIM, Tae Woo KIM, Jong Hyun CHOI, Tae Hoon YANG
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Patent number: 11626075Abstract: A scan driver includes stage circuits, wherein each of the stage circuits includes a first transistor, wherein a first electrode thereof is coupled to a first node, a second electrode thereof is coupled to an input carry line, and a gate electrode thereof is coupled to a first clock line; and a capacitor, wherein a first electrode thereof is coupled to the first node and a second electrode thereof is coupled to a second node, wherein the second node is coupled to an output carry line, and the second node is selectively coupled to one of a first power voltage line and a second power voltage line.Type: GrantFiled: September 26, 2019Date of Patent: April 11, 2023Assignees: SAMSUNG DISPLAY CO, LTD., KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORPInventors: Tae Hoon Yang, Joon Ho Lee, Kee Chan Park, Ki Bum Kim, Jong Chan Lee, Woong Hee Jeong
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Patent number: 11610938Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.Type: GrantFiled: September 16, 2020Date of Patent: March 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin Taek Kim, Jin Yeong Kim, Soo Hyun Moon, Sang Ho Park, Seung Min Lee, Jin Woo Lee, Tae Hoon Yang
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Patent number: 11600675Abstract: A display device includes a first display area and a second display area adjacent to the first display area in a first direction, driving elements, light-emitting elements including a pixel electrode electrically connected to a corresponding one of the driving elements, signal wirings that transfer a driving signal to the driving elements, and connection wirings that transfer a driving signal to signal wirings disposed in the second display area. At least one of the connection wirings includes a first signal-transferring portion extending in the first direction, a second signal-transferring portion extending in a second direction, and dummy portions extending in a direction intersecting the first and second signal-transferring portions. The pixel electrode overlaps a gap between dummy portions of adjacent connection wirings in an area where the connection wirings are disposed.Type: GrantFiled: October 28, 2020Date of Patent: March 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min Joo Kim, Sun Ho Kim, Seung-Hwan Cho, Tae Woo Kim, Tae Hoon Yang, Jong Hyun Choi