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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Publication number: 20230282795Abstract: A display device includes a substrate, first sub-pixels, second sub-pixels, and third sub-pixels on the substrate, the second sub-pixels being adjacent to the first sub-pixels, and third sub-pixels being spaced from the first sub-pixels with a respective one of the second sub-pixels therebetween, first electrodes and second electrodes on the substrate and located in the sub-pixels, first light-emitting elements, second light-emitting elements, and third light-emitting elements on the first electrodes and the second electrodes and located in the sub-pixels, each of the light-emitting elements comprising a first end and a second end opposite to the first end, and a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode on the first to third light-emitting elements and located in the sub-pixels, wherein in the first sub-pixel, the first electrodes are extended in a first direction and are spaced from one another.Type: ApplicationFiled: January 10, 2023Publication date: September 7, 2023Inventors: Kyung Bae KIM, Do Yeong PARK, Yong Hee LEE, Jong Woong CHANG, Ki Hyun PYO
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Patent number: 11749658Abstract: 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: June 16, 2022Date of Patent: September 5, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ji Hye Lee, Kyung Bae Kim, Mee Hye Jung
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Publication number: 20230275196Abstract: A display device includes a substrate including a display area and a non-display area surrounding the display area, a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, an upper bank layer surrounding the sub-pixels and the display area, a plurality of color control members including a first wavelength conversion layer in the first sub-pixel and a second wavelength conversion layer in the second sub-pixel, a plurality of color filter layers including a first color filter layer on the first wavelength conversion layer, and a second color filter layer on the second wavelength conversion layer, and a third color filter layer, a dam member surrounding the display area in the non-display area, and a valley between the dam member and the upper bank layer and surrounding the display area. The third color filter layer is on the first color filter layer in the non-display area.Type: ApplicationFiled: October 18, 2022Publication date: August 31, 2023Applicant: Samsung Display Co., LTD.Inventors: Ji Hye LEE, Jin Seon KWAK, Kyung Bae KIM, Yong Hee LEE
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Publication number: 20230268469Abstract: A display device includes a first substrate including a display area and a non-display area, an inorganic layer disposed on the first substrate in the non-display area, color filter pattern layers disposed on the inorganic layer and spaced apart from each other, a second substrate facing the first substrate, a light blocking member disposed on a surface of the second substrate and not overlapping the color filter pattern layers in the non-display area, and a seal member disposed between the first substrate and the second substrate and contacting the color filter pattern layers and the inorganic layer.Type: ApplicationFiled: October 20, 2022Publication date: August 24, 2023Applicant: Samsung Display Co., LTD.Inventors: Ji Hye LEE, Kyung Bae KIM, Yong Hee LEE
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Publication number: 20230261142Abstract: A display device includes: a first insulating layer on electrodes; a plurality of light emitting elements on the electrodes in an emission area; a second insulating layer on the first insulating layer and the light emitting elements and having a plurality of openings partially overlapping the electrodes and the light emitting elements; and a plurality of connection electrodes on at least some of the electrodes, contacting the light emitting elements, and partially overlapping the openings. A first opening has a first side portion and a second side portion opposite to the first side portion with a greater width than the first side portion, and a first connection electrode overlapping the first opening has a first portion overlapping the first opening and a second portion having a greater width than the first portion and that does not partially overlap the first opening.Type: ApplicationFiled: November 1, 2022Publication date: August 17, 2023Inventors: Do Yeong PARK, Kyung Bae KIM, Won Jun LEE
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Patent number: 11730031Abstract: A display device comprises a pixel which comprises emission areas, a first voltage wiring and a second voltage wiring, which are outside the emission areas of the pixel and extend in a first direction and a second direction crossing the first direction, first electrodes and second electrodes which are respectively in the emission areas and extend in one direction, light emitting elements which are on the first and second electrodes, first contact electrodes which contact the first electrodes and the light emitting elements, and second contact electrodes which contact the second electrodes and the light emitting elements, and a first electrode line which overlaps the first voltage wiring and is outside the emission areas and a second electrode line which overlaps the second voltage wiring and is outside the emission areas, wherein each of the first electrodes and the first electrode line is electrically connected to the first voltage wiring, and each of the second electrodes and the second electrode line is elType: GrantFiled: April 28, 2021Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ji Hye Lee, Kyung Bae Kim, No Kyung Park
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Patent number: 11721706Abstract: A display device includes pixels disposed in a display area and including first and second pixels that are adjacent to each other in a first direction, and a first integrated bank pattern disposed between the first and second pixels. Each of the pixels includes a first electrode and a second electrode that are spaced apart from each other along the first direction in a light emitting area and extend in a second direction, a first bank pattern portion overlapping the first electrode, and a second bank pattern portion overlapping the second electrode. The first integrated bank pattern includes a second bank pattern portion disposed at the first pixel, a first bank pattern portion disposed at the second pixel, and a protrusion extending in the second direction in a boundary area between the first pixel and the second pixel.Type: GrantFiled: May 19, 2021Date of Patent: August 8, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: No Kyung Park, Kyung Bae Kim, Min Kyu Woo
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Publication number: 20230246136Abstract: Provided herein is a display device and a method of manufacturing the same. The display device includes electrodes spaced apart from each other, a first insulating layer disposed on the electrodes and including a first opening, a light-emitting element disposed on the first insulating layer and disposed between adjacent ones of the electrodes, and organic patterns disposed between adjacent ones of the electrodes in the first opening.Type: ApplicationFiled: December 21, 2022Publication date: August 3, 2023Applicant: Samsung Display Co., LTD.Inventors: No Kyung PARK, Kyung Bae KIM, Do Yeong PARK
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Patent number: 11710432Abstract: 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: GrantFiled: May 20, 2022Date of Patent: July 25, 2023Assignee: 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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Publication number: 20230207610Abstract: A display device includes a first electrode extending in a first direction, a second electrode spaced apart from the first electrode in a second direction, light emitting elements that are disposed on the first electrode and the second electrode, a first connection electrode electrically connected to a first end of the light emitting elements, and a second connection electrode electrically connected to a second end of the light emitting elements. The first connection electrode includes a first main portion disposed on the first electrode and in electrical contact with the light emitting elements, a first bypass portion partially spaced apart from the first main portion, and first connection portions electrically connecting the first main portion to the first bypass portion.Type: ApplicationFiled: December 28, 2022Publication date: June 29, 2023Applicant: Samsung Display Co., LTD.Inventors: Do Yeong PARK, Chong Chul CHAI, Kyung Bae KIM
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Publication number: 20230207770Abstract: A display device includes: a substrate including first areas and second areas alternately arranged in a first direction in a plane view; a first electrode and a second electrode on the substrate and spaced apart from each other in a second direction crossing the first direction; a first insulation layer on the substrate and covering the first electrode and the second electrode; and a light emitting element on the first insulation layer and electrically connected to the first electrode and the second electrode, the first insulation layer having a first thickness in the first area and a second thickness thicker than the first thickness in the second area, and the light emitting element being located in the first area.Type: ApplicationFiled: March 3, 2023Publication date: June 29, 2023Inventors: Kyung Bae KIM, Ji Eun LEE, Chong Chul CHAI
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Publication number: 20230140325Abstract: A display device includes a first electrode and a second electrode on a substrate, a pixel unit including a light emitting element on the first electrode and the second electrode, a first signal line electrically connected to the first electrode, and a second signal line electrically connected to the second electrode, wherein first power is configured to be provided to the first electrode from the first signal line, wherein second power is configured to be provided to the second electrode from the second signal line, wherein at least a portion of the first signal line and at least a portion of the second signal line extend in a first direction, and wherein at least another portion of the first signal line extends in a second direction that is not parallel to the first direction.Type: ApplicationFiled: October 10, 2022Publication date: May 4, 2023Inventors: Yong Hee LEE, Jin Seon KWAK, Kyung Bae KIM, Ji Hye LEE, Ki Hyun PYO
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Publication number: 20230126321Abstract: 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: ApplicationFiled: December 23, 2022Publication date: April 27, 2023Applicant: Samsung Display Co., LTD.Inventors: Kyung Bae KIM, Mee Hye JUNG, Chong Chul CHAI
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Patent number: 11626552Abstract: A display device includes a substrate including a plurality of pixels; an electrode part including a first electrode in each pixel of the plurality of pixels on the substrate and a second electrode spaced apart from the first electrode on a same plane; a plurality of light emitting devices spaced apart from each other between the first electrode and the second electrode; a power line part including a first power line between the substrate and the first electrode, the first power line to receive a first driving power source, and a second power line between the substrate and the second electrode, the second power line to receive a second driving power source; and a shielding electrode line between the power line part and the first electrode, the shielding electrode line to receive the first driving power source.Type: GrantFiled: April 26, 2021Date of Patent: April 11, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Bae Kim, Min Jae Jeong, Chong Chui Chai
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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: 20230086764Abstract: 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: ApplicationFiled: November 23, 2022Publication date: March 23, 2023Inventors: Min Jae JEONG, Kyung Bae KIM, Chong Chul CHAI, Kyung Hoon CHUNG
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Publication number: 20230091726Abstract: A display device includes a substrate including a display area and a non-display area; pixels disposed in the display area and including respective light emitting units; a first conductive pattern disposed between the pixels; and a power source line disposed in the non-display area and electrically connected to the first conductive pattern. Each of the light emitting units includes a light emitting element, a first pixel electrode disposed on a first end of the light emitting element, and a second pixel electrode disposed on a second end of the light emitting element. The first conductive pattern and the second pixel electrode are disposed on a same layer.Type: ApplicationFiled: September 15, 2022Publication date: March 23, 2023Applicant: Samsung Display Co., LTD.Inventors: Do Yeong PARK, In Woo KIM, Chong Chul CHAI, Chang Woo KWON, Kyung Bae KIM, Dae Cheol KIM, Jong Hwan PARK, Yong Tae CHO, Kook Hyun CHOI
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Patent number: 11600756Abstract: A display device includes: a substrate including first areas and second areas alternately arranged in a first direction in a plane view; a first electrode and a second electrode on the substrate and spaced apart from each other in a second direction crossing the first direction; a first insulation layer on the substrate and covering the first electrode and the second electrode; and a light emitting element on the first insulation layer and electrically connected to the first electrode and the second electrode, the first insulation layer having a first thickness in the first area and a second thickness thicker than the first thickness in the second area, and the light emitting element being located in the first area.Type: GrantFiled: August 20, 2020Date of Patent: March 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Kyung Bae Kim, Ji Eun Lee, Chong Chul Chai
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Publication number: 20230060203Abstract: A display device includes: a power source line; a plurality of gate lines each extending in a first direction and arranged along a second direction in a plan view; a plurality of pixels connected to the power source line and the gate lines; and a plurality of vertical lines each extending in the second direction and arranged along the first direction in the plan view, wherein the vertical lines include a plurality of gate connection lines and a plurality of dummy lines between the gate connection lines, wherein the gate connection lines connect the gate lines to a gate driver, wherein the dummy lines are connected to the power source line, and wherein a distance between the dummy lines spaced apart from each other with at least one of the gate connection lines interposed therebetween is constant throughout.Type: ApplicationFiled: July 26, 2022Publication date: March 2, 2023Inventors: Dong Woo KIM, Min Kyu WOO, Kyung Bae KIM
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Publication number: 20230029779Abstract: A display device includes sub-pixels including a light emitting part, and sub-areas on respective sides of the light emitting part in a first direction, a first electrode in the light emitting part and extending in the first direction, and a second electrode extending in the first direction and spaced apart from the first electrode in a second direction crossing the first direction, a first insulating layer on the first electrode and the second electrode, and a light emitting element on the first electrode and the second electrode in the light emitting part, wherein the second electrode includes an electrode stem part extending in the first direction, and electrode branch parts branched from the electrode stem part.Type: ApplicationFiled: July 20, 2022Publication date: February 2, 2023Inventors: Jin Seon KWAK, Kyung Bae KIM, Yong Hee LEE, Ji Hye LEE, Ki Hyun PYO