Patents by Inventor Jang Soon Park
Jang Soon Park 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: 20240120453Abstract: A display device includes a substrate, a via layer above the substrate, and including a protrusion, an insulating pattern above the protrusion, and having a width that is greater than a width of the protrusion, first and second electrodes above the via layer, and spaced apart from each other with the protrusion and the insulating pattern therebetween, a first insulating layer above the protrusion, the insulating pattern, the first electrode, and the second electrode, a light-emitting element above the first insulating layer, and between the first electrode and the second electrode, a first connection electrode connected to a first end of the light-emitting element, and a second connection electrode connected to a second end of the light-emitting element.Type: ApplicationFiled: July 31, 2023Publication date: April 11, 2024Inventors: Jang Soon PARK, Hyun Wook LEE, Sung Geun BAE
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Publication number: 20240097074Abstract: A display device includes a substrate including an emission area and a non-emission area, alignment electrodes arranged to be spaced from each other in a first direction on the substrate and extending in a second direction crossing the first direction, and pixels arranged along the second direction. Pixels adjacent to each other in the second direction from among the pixels may be configured to emit light of different colors. Each of the pixels may include first light emitting elements on the alignment electrodes and arranged along the second direction, second light emitting elements on the alignment electrodes, spaced from the first light emitting elements in the first direction, and arranged along the second direction, a first pixel electrode electrically connected to a first driving power and first ends of the first light emitting elements, a second pixel electrode spaced from the first pixel electrode in the first direction.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Inventors: Myeong Hun SONG, Jang Soon PARK, Sung Geun BAE, Tae Hee LEE, Hyun Wook LEE, Kwang Taek HONG
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Publication number: 20240079527Abstract: A display device may include pixels on a substrate. Each of the pixels may include: a first alignment electrode and a second alignment electrode located on the substrate and spaced from each other; a first insulating layer on the first alignment electrode and the second alignment electrode; a light emitting element located on the first insulating layer between the first and second alignment electrodes; a dummy pattern located between the first insulating layer and the light emitting element; a second insulating layer located on the light emitting element and exposing first and second ends of the light emitting element; a first electrode electrically connected to the first end of the light emitting element; and a second electrode spaced from the first electrode, and electrically connected to the second end of the light emitting element. The dummy pattern may include a same material as the second insulating layer.Type: ApplicationFiled: August 30, 2023Publication date: March 7, 2024Inventors: Hyun Wook LEE, Sung Geun BAE, Jang Soon PARK, Myeong Hun SONG, Tae Hee LEE
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Publication number: 20240072229Abstract: A display device includes: light emitting elements, each of the light emitting elements including a first end having a first polarity and a second end having a second polarity different from the first polarity; and a first type connection electrode contacting the first ends and/or the second ends of the light emitting elements, wherein a first type connection electrode includes: a middle portion extending in a first direction; a first electrode portion extending from the middle portion toward a first side in a second direction intersecting the first direction; a second electrode portion extending from the middle portion toward the first side in the second direction and spaced from the first electrode portion by a first width in the first direction; a third electrode portion extending from the middle portion toward a second side in the second direction; and a fourth electrode portion.Type: ApplicationFiled: August 21, 2023Publication date: February 29, 2024Inventors: Myeong Hun SONG, Jang Soon PARK, Sung Geun BAE, Tae Hee LEE, Hyun Wook LEE
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Publication number: 20230299239Abstract: A display device and method for fabrication thereof are provided. The display device includes a first electrode and a second electrode spaced apart from the first electrode in a second direction, light emitting elements disposed on the first electrode and the second electrode, a first insulating layer disposed on the light emitting elements, a first connection electrode disposed on the first electrode and electrically contacting each of the light emitting elements, and a second connection electrode disposed on the second electrode and electrically contacting each of the light emitting elements, and the first insulating layer includes a first portion and a second portion having a thickness larger than a thickness of the first portion of the first insulating layer.Type: ApplicationFiled: January 10, 2023Publication date: September 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Sung Geun BAE, Jang Soon PARK, Hyun Wook LEE, Da Sol JEONG, Su Min CHOI, Won Hyeong HEO
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Publication number: 20230044364Abstract: A display device may include a substrate including a display area and a non-display area; pixels disposed in the display area; first and second driving voltage lines disposed in the non-display area and spaced apart from each other; a first fan-out line disposed in the non-display area and electrically connected to the first driving voltage line; a second fan-out line disposed in the non-display area and electrically connected to the second driving voltage line; a first power line including at least two first sub-power lines branching off to a corresponding one of the pixels from the first fan-out line; and a second power line including at least two second sub-power lines branching off to a corresponding one of the pixels from the second fan-out line.Type: ApplicationFiled: May 24, 2022Publication date: February 9, 2023Applicant: Samsung Display Co., LTD.Inventors: Sung Geun BAE, Jang Soon PARK, Hyun Wook LEE, Da Sol JEONG, Won Hyeong HEO
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Publication number: 20230030101Abstract: A display device includes a first electrode and a second electrode on a substrate spaced apart from each other, a first insulating layer on the first and second electrodes, wall patterns on the first insulating layer and overlapping the first electrode and the second electrode, a second insulating layer on the first insulating layer and overlapping the wall patterns, light-emitting elements directly on the second insulating layer and between the wall patterns, a bank layer on the first insulating layer and surrounding an area including the light-emitting elements, and a first connecting electrode on the first electrode electrically contacting the light-emitting elements, and a second connecting electrode on the second electrode electrically contacting the light-emitting elements, the first insulating layer includes an organic insulating material, and the second insulating layer includes an inorganic insulating material.Type: ApplicationFiled: March 11, 2022Publication date: February 2, 2023Applicant: Samsung Display Co., LTD.Inventors: Sung Geun Bae, Jang Soon Park, Hyun Wook Lee, Da Sol Jeong, Won Hyeong Heo
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Publication number: 20230031785Abstract: A display device includes a transistor on a substrate, a via layer on the transistor, a first electrode and a second electrode on the via layer and arranged in parallel to each other, a first insulating layer on the first and second electrodes, a first bridge pattern on the first insulating layer and connected to the transistor, light-emitting elements having both end portions thereof on the first and second electrodes, a first connecting electrode connected to first end portions of the light-emitting elements, and a second connecting electrode connected to second end portions of the light-emitting elements, wherein the first connecting electrode is in contact with the first bridge pattern and is electrically connected to the transistor.Type: ApplicationFiled: March 24, 2022Publication date: February 2, 2023Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Da Sol JEONG, Won Hyeong HEO
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Publication number: 20230016834Abstract: A display device includes a first electrode extending in a first direction, and a second electrode spaced from the first electrode in a second direction, a plurality of light emitting elements on the first electrode and the second electrode, a light emitting element of the plurality of light emitting elements comprising a first end on the first electrode and a second end on the second electrode, a first connection electrode extending in the first direction and on the first electrode, a second connection electrode extending in the first direction and on the second electrode, a third connection electrode on the first electrode and spaced from the first connection electrode in the first direction, and a fourth connection electrode on the second electrode and spaced from the second connection electrode in the second direction, wherein the plurality of light emitting elements comprises first light emitting elements and second light emitting elements.Type: ApplicationFiled: May 18, 2022Publication date: January 19, 2023Inventors: Da Sol JEONG, Jang Soon PARK, Sung Geun BAE, Hyun Wook LEE, Won Hyeong HEO
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Publication number: 20220393084Abstract: Provided is a display device comprising a substrate, a first active layer on the substrate and extending along a first direction, and a first conductive layer between the substrate and the first active layer, and including a first conductive pattern and a second conductive pattern spaced apart from each other in the first direction, wherein the first active layer conformally reflects a step difference of the first conductive layer, and includes a branched structure in a space between the first conductive pattern and the second conductive pattern.Type: ApplicationFiled: April 12, 2022Publication date: December 8, 2022Inventors: Jeong Hyun LEE, Jang Soon PARK, Sung Geun BAE, Da Sol JEONG, Won Hyeong HEO
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Publication number: 20220367768Abstract: According to some embodiments of the present disclosure, a display device includes a substrate, a first electrode and a second electrode on the substrate, and spaced apart from each other, a light emitting element between the first electrode and the second electrode, a first bank pattern and a second bank pattern protruding in a display direction of the display device, a first contact electrode and a second contact electrode electrically connecting the light emitting element to the first electrode and the second electrode, respectively, the first contact electrode including a first contact light-transmitting layer, and a first reflective electrode including a first reflective layer, and a first light-transmitting layer including a same material as the first contact light-transmitting layer, at least a portion of the first reflective electrode being on the first bank pattern.Type: ApplicationFiled: March 15, 2022Publication date: November 17, 2022Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Hyun Wook LEE, Da Sol JEONG, Won Hyeong HEO
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Publication number: 20220344540Abstract: A display device includes: a first light emitting element located between the first and second patterns; a first alignment electrode located on the first pattern, the first alignment electrode having a first inclined surface opposing the first light emitting element; a first connection electrode at a same layer as the first alignment electrode; and first and second electrodes electrically connected to respective end portions of the first light emitting element. Each of the first alignment electrode and the first connection electrode includes first and second electrode layers that are sequentially stacked. A contact hole exposing the first electrode layer of the first connection electrode is formed in the second electrode layer of the first connection electrode. The first electrode is in contact with the first electrode layer of the first connection electrode and a side surface of the second electrode layer of the first connection electrode through the contact hole.Type: ApplicationFiled: November 10, 2021Publication date: October 27, 2022Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Da Sol JEONG, Won Hyeong HEO
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Publication number: 20220310881Abstract: A display device includes a transistor disposed in a pixel, a connection electrode electrically connected to the transistor, first electrodes electrically separated from the connection electrode, light emitting elements disposed between the first electrodes, and second electrodes disposed on the first electrodes and the light emitting elements. The second electrodes electrically connect the connection electrode and the light emitting elements.Type: ApplicationFiled: January 13, 2022Publication date: September 29, 2022Applicant: Samsung Display Co., LTD.Inventors: Sung Geun BAE, Da Sol JEONG, Jang Soon PARK, Jeong Hyun LEE, Won Hyeong HEO
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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: 20220190071Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.Type: ApplicationFiled: November 4, 2021Publication date: June 16, 2022Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Jong Chan LEE, Da Sol JEONG, Won Hyeong HEO
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Patent number: 8897673Abstract: A photosensitive drum assembly and a process cartridge and a process cartridge having an improved structure in which a protrusion for receiving a driving force transmitted from a main body of an image forming apparatus may not be easily worn or damaged. The photosensitive drum assembly that is capable of being combined with a driving shaft including a twisted hole with a non-circular cross-section having a plurality of corners, includes: a support disposed at one side of the photosensitive drum; and an insertion body disposed at one side of the support and including a plurality of protrusions that are capable of being inserted in the twisted hole, wherein at least portions of each of the plurality of protrusions based on a cross-section of each protrusion that is perpendicular to the driving shaft, closely contacts two side surfaces of the twisted hole that constitute one of the plurality of corners of the twisted hole, respectively.Type: GrantFiled: November 7, 2012Date of Patent: November 25, 2014Assignees: Baiksan OPC Co., Ltd.Inventors: Bom Jin Lee, Chang Rae Seong, Jang Soon Park
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Patent number: 8862030Abstract: Provided is a photosensitive drum driving assembly, a photosensitive drum assembly, a process cartridge, and an image forming apparatus. The driving assembly including a supporting body and an engaging protrusion is connected to a drive shaft having a triangular twisted hole to transfer a rotary driving force from an image forming apparatus. The engaging protrusion twistedly protrudes to be inserted into the twisted hole, and includes three or more line contact portions on its cross-section perpendicular to the protrusion direction. The line contact portions are in line-contact with the surface of the twisted hole, and at least one portion of a surface formed by continuously joining the line-contact portions along the protrusion direction is a twisted contact-surface to receive the rotary driving force transferred by the drive shaft.Type: GrantFiled: April 13, 2012Date of Patent: October 14, 2014Assignees: Baiksan OPC Co., Ltd., Jang Soon ParkInventors: Bum Jin Lee, Chang Rae Seong, Jang Soon Park
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Publication number: 20130236211Abstract: A photosensitive drum assembly and a process cartridge and a process cartridge having an improved structure in which a protrusion for receiving a driving force transmitted from a main body of an image forming apparatus may not be easily worn or damaged. The photosensitive drum assembly that is capable of being combined with a driving shaft including a twisted hole with a non-circular cross-section having a plurality of corners, includes: a support disposed at one side of the photosensitive drum; and an insertion body disposed at one side of the support and including a plurality of protrusions that are capable of being inserted in the twisted hole, wherein at least portions of each of the plurality of protrusions based on a cross-section of each protrusion that is perpendicular to the driving shaft, closely contacts two side surfaces of the twisted hole that constitute one of the plurality of corners of the twisted hole, respectively.Type: ApplicationFiled: November 7, 2012Publication date: September 12, 2013Applicants: BAIKSAN OPC CO., LTD.Inventors: Bom Jin LEE, Chang Rae SEONG, Jang Soon PARK
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Publication number: 20130058681Abstract: Provided is a photosensitive drum driving assembly, a photosensitive drum assembly, a process cartridge, and an image forming apparatus. The driving assembly including a supporting body and an engaging protrusion is connected to a drive shaft having a triangular twisted hole to transfer a rotary driving force from an image forming apparatus. The engaging protrusion twistedly protrudes to be inserted into the twisted hole, and includes three or more line contact portions on its cross-section perpendicular to the protrusion direction. The line contact portions are in line-contact with the surface of the twisted hole, and at least one portion of a surface formed by continuously joining the line-contact portions along the protrusion direction is a twisted contact-surface to receive the rotary driving force transferred by the drive shaft.Type: ApplicationFiled: April 13, 2012Publication date: March 7, 2013Inventors: Bum Jin Lee, Chang Rae Seong, Jang Soon Park
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Patent number: D706340Type: GrantFiled: February 14, 2013Date of Patent: June 3, 2014Assignees: Baiksan OPC Co., Ltd.Inventors: Bum Jin Lee, Chang Rae Seong, Jang Soon Park