Patents by Inventor Kyung Bae Kim
Kyung Bae Kim 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: 11550087Abstract: The display device may include a substrate; at least one pixel along a first direction on the substrate and including first, second, and third emission areas, in each of which a plurality of light emitting elements are provided; a light blocking pattern corresponding to an area between the first to third emission areas; and a color filter layer including a first color filter pattern provided on the first emission area, a second color filter pattern provided on the second emission area, and a third color filter pattern provided on the third emission area. Here, the pixel may include a first storage capacitor, a second storage capacitor, and a third storage capacitor on the substrate and corresponding to one of the first to third color filter patterns.Type: GrantFiled: April 21, 2021Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: No Kyung Park, Kyung Bae Kim, Ji Hye Lee
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Patent number: 11552063Abstract: A display device includes a substrate including a display area including pixel areas and a non-display area adjacent to the display area; and a pixel disposed in each of the pixel areas. The pixel includes a sub-electrode, a first conductive line, and a second conductive line on the substrate; a first insulating layer over the sub-electrode and the first and second conductive lines; first to fourth electrodes on the first insulating layer; a second insulating layer over the first and second electrodes to completely overlap the first and second electrodes, the second insulating layer exposing the third and fourth electrodes; light emitting elements between the first and second electrodes; a first contact electrode on the first electrode; and a second contact electrode on the second electrode.Type: GrantFiled: August 25, 2020Date of Patent: January 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Bae Kim, Dong Hwan Kim, Mee Hye Jung, Jun Ki Jeong
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Publication number: 20230006115Abstract: A display device according to some embodiments includes a substrate, a first power line extending in a first direction on the substrate, and configured to transmit a first alignment signal or a first driving voltage, a second power line extending in the first direction on the substrate, and configured to transmit a second alignment signal or a second driving voltage, a first electrode extending in a second direction that is substantially perpendicular to the first direction, configured to receive the first alignment signal or the first driving voltage, and electrically connected to the first power line, a second electrode spaced apart from the first electrode, extending in the second direction, configured to receive the second alignment signal or the second driving voltage, and electrically connected to the second power line, and a light emitting element between the first electrode and the second electrode.Type: ApplicationFiled: March 1, 2022Publication date: January 5, 2023Inventors: Ki Hyun PYO, Jin Seon KWAK, Kyung Bae KIM, Yeon Kyung KIM, Ji Hye LEE
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Patent number: 11538973Abstract: A display device includes a substrate and pixels. The substrate includes: a display area including pixel areas, each including a first area and a second area; and a non-display area enclosing at least one side of the display area. The pixels are disposed on the pixel areas, each pixel including light emitting elements. Each pixel further includes: a pixel circuit part disposed on the first area and including at least one transistor and at least one capacitor; and a display element part disposed on the second area and including an emission area to emit light. Each of the pixel circuit part and the display element part has a multi-layer structure including one or more conductive layers and one or more insulating layers. At least one layer of the pixel circuit part and at least one layer of the display element part are disposed in a same layer.Type: GrantFiled: June 2, 2020Date of Patent: December 27, 2022Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Kyung Bae Kim, Mee Hye Jung, Chong Chul Chai
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Patent number: 11514834Abstract: A tiled display device includes an array of a plurality of display panels. Each of the plurality of display panels includes a plurality of pixels constituting a plurality of pixel rows and a plurality of pixel columns, a data distributor disposed between a first pixel of a first pixel row among the plurality of pixel rows and a second pixel of the first pixel row adjacent to the first pixel in a first direction, and a scan driver disposed between the second pixel and a third pixel adjacent to the second pixel in the first direction.Type: GrantFiled: April 15, 2021Date of Patent: November 29, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Ki Jeong, Hyun Joon Kim, Kyung Bae Kim, Kyung Hoon Chung, Chong Chul Chai
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Patent number: 11514846Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.Type: GrantFiled: September 3, 2021Date of Patent: November 29, 2022Assignee: Samsung Display Co., Ltd.Inventors: Min Jae Jeong, Kyung Bae Kim, Chong Chul Chai, Kyung Hoon Chung
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Publication number: 20220344316Abstract: A display device includes a substrate. A first electrode, a second electrode, and a third electrode are on the substrate, and are sequentially arranged along a first direction. A first light emitting element is located between the first electrode and the second electrode. A second light emitting element is located between the second electrode and the third electrode. A first contact electrode overlaps the first electrode and one end of the first light emitting element, and is in contact with the first electrode and the one end of the first light emitting element. A second contact electrode overlaps and is in contact with the other end of the first light emitting element. A third contact electrode overlaps and is in contact with the second electrode and the other end of the second light emitting element. The second contact electrode extends while detouring the third contact electrode.Type: ApplicationFiled: July 11, 2022Publication date: October 27, 2022Inventors: Min Kyu WOO, Kyung Bae KIM, Jin Yeong KIM, Chong Chul CHAI
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Publication number: 20220336720Abstract: A display device includes a display area and a non-display area adjacent to the display area. The display device includes a pixel disposed in the display area; a driving controller disposed in the non-display area, the driving controller controlling driving of the pixel; and a line part having at least a portion disposed in the non-display area, the line part electrically connecting the pixel and the driving controller to each other between the pixel and the driving controller. The non-display area includes a fan-out area disposed between the display area and the driving controller.Type: ApplicationFiled: February 11, 2022Publication date: October 20, 2022Applicant: Samsung Display Co., LTD.Inventors: Ji Hye LEE, Kyung Bae KIM, Yong Hee LEE
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Publication number: 20220320059Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located at at least one side of the display area; a pixel in each of the pixel areas; and a plurality of fan-out lines in the non-display area to form a first conductive layer. The pixel includes a pixel circuit layer including at least one transistor and a first bridge line and a second bridge line; and a display element layer on the pixel circuit layer. Each of the first and second bridge lines is electrically connected to a corresponding fan-out line from among the fan-out lines.Type: ApplicationFiled: June 16, 2022Publication date: October 6, 2022Inventors: Ji Hye LEE, Kyung Bae KIM, Mee Hye JUNG
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Publication number: 20220302203Abstract: A display device includes a substrate including a display area and a non-display area, a first voltage pattern and a second voltage pattern arranged along a first side of the non-display area, the first voltage pattern and the second voltage pattern being alternately located, a first sub-voltage pattern and a second sub-voltage pattern arranged along a second side opposite the first side of the non-display area, the first sub-voltage pattern and the second sub-voltage pattern being and alternately located, a first voltage extension wire extending along a third side crossing the first side of the non-display area and connected to the first voltage pattern, and a second voltage extension wire extending along a fourth side opposite the third side of the non-display area and connected to the second voltage pattern.Type: ApplicationFiled: December 22, 2021Publication date: September 22, 2022Inventors: Yong Hee LEE, Jin Seon KWAK, Kyung Bae KIM, Ji Hye LEE
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Publication number: 20220277677Abstract: A method of testing a display panel including a pixel coupled to first, second, and third power lines, a data line, scan lines, an emission control line, and a test line, the method includes: applying a first power supply voltage to the first power line; applying a test voltage having a turn-on voltage level to the second power line; applying a scan signal having a turn-on voltage level sequentially to the scan lines and an emission control signal having a turn-on voltage level to the emission control line; applying a gate signal to the test line to turn on a test transistor coupled between two electrode of a light emitting element included in the pixel; measuring a sensing voltage output through the data line; and determining whether the pixel is defective, based on a voltage level of the measured sensing voltage.Type: ApplicationFiled: May 20, 2022Publication date: September 1, 2022Applicant: Samsung Display Co., Ltd.Inventors: Hyun Joon KIM, Jun Ki JEONG, Kyung Hoon CHUNG, Kyung Bae KIM, Seung Chan LEE, Chong Chul CHAI
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Patent number: 11424288Abstract: A display device includes: a substrate including a pixel; a scan line for supplying a scan signal to the pixel; a data line for supplying a data signal to the pixel; a first power line for supplying a first driving power source to the pixel; a second power line for supplying a second driving power source to the pixel; and a third power line for supplying a ground voltage to the pixel. The pixel includes: first and second electrodes spaced apart from each other on the substrate; a plurality of light emitting elements, each of the light emitting elements having first and second end portions in a length direction thereof and being arranged between the first electrode and the second electrode; and a first switch electrically connected between the third power line and the first electrode. The first switch is configured to be turned on by a control signal.Type: GrantFiled: February 7, 2020Date of Patent: August 23, 2022Assignee: Samsung Display Co., Ltd.Inventors: Chong Chul Chai, Kyung Bae Kim, Mee Hye Jung, Jin Oh Kwag, Min Jae Jeong
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Patent number: 11387223Abstract: A display device includes a substrate. A first electrode, a second electrode, and a third electrode are on the substrate, and are sequentially arranged along a first direction. A first light emitting element is located between the first electrode and the second electrode. A second light emitting element is located between the second electrode and the third electrode. A first contact electrode overlaps the first electrode and one end of the first light emitting element, and is in contact with the first electrode and the one end of the first light emitting element. A second contact electrode overlaps and is in contact with the other end of the first light emitting element. A third contact electrode overlaps and is in contact with the second electrode and the other end of the second light emitting element. The second contact electrode extends while detouring the third contact electrode.Type: GrantFiled: September 15, 2020Date of Patent: July 12, 2022Assignee: Samsung Display Co., Ltd.Inventors: Min Kyu Woo, Kyung Bae Kim, Jin Yeong Kim, Chong Chui Chai
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Publication number: 20220216264Abstract: A display device includes an emission area and a sub-area spaced from the emission area in a first direction, a plurality of electrodes in the emission area and extending in the first direction, the plurality of electrodes being spaced from each other along a second direction crossing the first direction, a first insulating layer on the plurality of electrodes, and a plurality of light emitting elements on the first insulating layer, both ends of the plurality of light emitting elements being on the plurality of electrodes that are spaced from each other along the second direction, wherein the plurality of electrodes include a first electrode including a first portion and a second portion, the second portion of the first electrode having a width measured in the second direction that is smaller than a width of the first portion measured in the second direction.Type: ApplicationFiled: January 3, 2022Publication date: July 7, 2022Inventors: Do Yeong PARK, Kyung Bae KIM, Sung Chul HONG
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Patent number: 11380664Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located at at least one side of the display area; a pixel in each of the pixel areas; and a plurality of fan-out lines in the non-display area to form a first conductive layer. The pixel includes a pixel circuit layer including at least one transistor and a first bridge line and a second bridge line; and a display element layer on the pixel circuit layer. Each of the first and second bridge lines is electrically connected to a corresponding fan-out line from among the fan-out lines.Type: GrantFiled: September 30, 2020Date of Patent: July 5, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ji Hye Lee, Kyung Bae Kim, Mee Hye Jung
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Publication number: 20220199598Abstract: A display device includes a first electrode extended in a first direction, a second electrode spaced apart from the first electrode in a second direction and extended in the first direction, a first insulating layer on the first and second electrodes, light-emitting elements on the first insulating layer, each having at least an end disposed on the first electrode or the second electrode, a second insulating layer disposed on the light-emitting elements and extended in the first direction, and a first connection electrode disposed on the first electrode and electrically contacting the light-emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the light-emitting elements. Each of the first and second connection electrodes includes a main portion electrically contacting the light-emitting elements, and a subsidiary portion having a width smaller than a width of the main portion and electrically connected to the main portion.Type: ApplicationFiled: September 16, 2021Publication date: June 23, 2022Applicant: Samsung Display Co., LTD.Inventors: Kyung Bae KIM, No Kyung PARK, Chong Chul CHAI, Do Yeong PARK
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Publication number: 20220199683Abstract: A display device is provided. The display device includes a first electrode including a first electrode surface extending in a first direction and a second electrode surface connected to one end of the first electrode surface and extending in a second direction that is different from the first direction, a second electrode including a third electrode surface extending in the first direction and spaced apart from the first electrode surface and facing the first electrode surface, and a fourth electrode surface extending in the second direction and spaced apart from the second electrode surface and facing the second electrode surface, and at least one light emitting element between the first electrode and the second electrode and including a first light emitting element between the first electrode surface and the third electrode surface and a second light emitting element between the second electrode surface and the fourth electrode surface.Type: ApplicationFiled: March 7, 2022Publication date: June 23, 2022Inventors: Yu Jin LEE, Kyung Bae KIM, Ji Hye LEE, Chong Chul CHAI
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Publication number: 20220199676Abstract: A display device may include a substrate including pixels; a first bank that defines an emission area of the pixels; a first electrode and a second electrode spaced apart from each other in the emission area; a first insulating layer disposed on the first electrode and the second electrode; light emitting elements disposed on the first insulating layer between the first electrode and the second electrode; a second insulating layer disposed on the first bank; a first opening passing through the first insulating layer; and a second opening passing through the second insulating layer. The first opening and the second opening may overlap the first bank.Type: ApplicationFiled: August 5, 2021Publication date: June 23, 2022Applicant: Samsung Display Co., LTD.Inventors: Jin Seon Kwak, No Kyung Park, Kyung Bae Kim, Ji Hye Lee
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Publication number: 20220199677Abstract: A display device includes a substrate including a display area and a non-display area; pixels disposed in the display area; first scan lines that transmit signals to the pixels, extend in a first direction, and are disposed in a second direction different from the first direction; second scan lines that extend in the second direction and are disposed in the first direction; and a pad part electrically connected to the second scan lines and disposed in the non-display area. Each of the first scan lines is electrically connected to at least one of the second scan lines through a corresponding one of contactors. Each of the pixels is a first pixel, a second pixel, or a third pixel based on whether or not including a contactor.Type: ApplicationFiled: August 20, 2021Publication date: June 23, 2022Applicant: Samsung Display Co., LTD.Inventors: Do Yeong PARK, Chong Chul CHAI, Kyung Bae KIM
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Publication number: 20220181382Abstract: A pixel includes a first pattern and a second pattern spaced apart from each other in a light emitting area; a light emitting element between the first pattern and the second pattern; a first electrode electrically connected to a first end portion of the light emitting element; a second electrode electrically connected to a second end portion of the light emitting element; and a bank in a non-light emitting area. The first electrode and the second electrode extend from the light emitting area through the non-light emitting area to a separating area. The second pattern extends from the light emitting area through the non-light emitting area to the separating area, and overlaps an edge of the bank, and is disposed in an area between the first electrode and the second electrode at a boundary of the non-light emitting area and the separating area.Type: ApplicationFiled: July 28, 2021Publication date: June 9, 2022Applicant: Samsung Display Co., LTD.Inventors: Do Yeong PARK, Kyung Bae KIM, No Kyung PARK