Patents by Inventor Min-Kyu Woo
Min-Kyu Woo 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: 11594168Abstract: A display device includes a pixel unit including first pixels in a first pixel area, second pixels in a second pixel area, and third pixels in a third pixel area; a first scan driver including first multiplexers configured to operate in response to a first mode and a second mode different from the first mode, and to supply first scan signals to first scan lines connected to the first pixels; a second scan driver configured to supply second scan signals to second scan lines connected to the second pixels; and a third scan driver including second multiplexers configured to operate in response to the first mode and the second mode, and to supply third scan signals to third scan lines connected to the third pixels.Type: GrantFiled: August 23, 2021Date of Patent: February 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jae Sic Lee, Min Woo Byun, Jae Du Noh, Min Kyu Woo, Seung Yeon Cho
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Publication number: 20230027391Abstract: A display device is provided.Type: ApplicationFiled: March 25, 2022Publication date: January 26, 2023Inventors: Na Hyeon CHA, Dong Hee SHIN, Min Kyu WOO
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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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Patent number: 11455959Abstract: A display device according to an exemplary embodiment of the invention includes: a substrate; an active pattern including a semiconductor material disposed on the substrate; a first conductive layer disposed on the active pattern, the first conductive layer including a plurality of scan lines and a driving gate electrode; a second conductive layer disposed on the first conductive layer, the second conductive layer including an initialization voltage line to transmit an initialization voltage; a third conductive layer disposed on the second conductive layer, the third conductive layer including a driving voltage line to transmit a driving voltage; a fourth conductive layer disposed on the third conductive layer, the first conductive layer including a first data line that transmits a data signal; and a pixel electrode layer disposed on the fourth conductive layer, the pixel electrode layer including a plurality of pixel electrodes, wherein the third conductive layer includes a connection member that is electricType: GrantFiled: December 5, 2019Date of Patent: September 27, 2022Assignee: Samsung Display Co., Ltd.Inventors: Gyung Soon Park, Min Kyu Woo, Jun Ki Jeong
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Patent number: 11404005Abstract: A display device including: a pixel connected to first, second and third scan lines, a data line, and an emission line, the pixel including: an LED; a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a second transistor connected between the data line and the first node and including a gate electrode connected to the first scan line; a third transistor connected between the second node and the third node and including a gate electrode connected to the second scan line; a fourth transistor connected between the second node and a power source and including a gate electrode connected to the third scan line; and a fifth transistor connected between the second node and an anode of the LED and including a gate electrode connected to the second scan line.Type: GrantFiled: January 6, 2021Date of Patent: August 2, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min Kyu Woo, Hyun Joon Kim
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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: 20220157242Abstract: A display device includes a first pixel region including a plurality of first pixels and a plurality of first gate control lines coupled to the first pixels, and a second pixel region spaced apart from the first pixel region. The second pixel region includes a plurality of second pixels and a plurality of second gate control lines coupled to the second pixels. The display device further includes a first non-pixel region disposed between the first pixel region and the second pixel region, and a first coupling line disposed in the first non-pixel region. The first coupling line commonly couples at least two first gate control lines and at least two second gate control lines.Type: ApplicationFiled: February 1, 2022Publication date: May 19, 2022Inventors: MI HAE KIM, MIN KYU WOO, YOUNG TAEG JUNG, HYUN CHOL BANG, SANG WON SEOK, HWAN SOO JANG, JU HEE HYEON
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Publication number: 20220093652Abstract: 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: ApplicationFiled: May 19, 2021Publication date: March 24, 2022Applicant: Samsung Display Co., LTD.Inventors: No Kyung PARK, Kyung Bae KIM, Min Kyu WOO
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Patent number: 11250776Abstract: A display device includes a first pixel region including a plurality of first pixels and a plurality of first gate control lines coupled to the first pixels, and a second pixel region spaced apart from the first pixel region. The second pixel region includes a plurality of second pixels and a plurality of second gate control lines coupled to the second pixels. The display device further includes a first non-pixel region disposed between the first pixel region and the second pixel region, and a first coupling line disposed in the first non-pixel region. The first coupling line commonly couples at least two first gate control lines and at least two second gate control lines.Type: GrantFiled: September 14, 2020Date of Patent: February 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae Kim, Min Kyu Woo, Young Taeg Jung, Hyun Chol Bang, Sang Won Seok, Hwan Soo Jang, Ju Hee Hyeon
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Publication number: 20220019317Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.Type: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Inventors: Hwa Jeong KIM, Jae Sic LEE, Na Yun KWAK, Dong Hwan KIM, Seung Woo SUNG, Min Kyu WOO, Min Ku LEE, Seong Jun LEE, Sang Jin PAK, Sang Hyun JUN
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Publication number: 20220013509Abstract: A display device may include: a substrate including a display area and a non-display area; pixels in the display area, each of the pixels including first to fourth electrodes, and light emitting elements connected with the first to fourth electrodes; first pads in a pad area of the non-display area; first to third lines provided in the non-display area; and a circuit board overlapping with the pad area of the substrate and including second pads electrically connected with the first pads. The first pads may include a 1-1th pad connected to the first line, a 1-2th pad connected to the second line, and a 1-3th pad connected to the third line. An identical driving voltage may be applied to at least two lines of the first to third lines. The first to third lines may apply alignment signals to the first to fourth electrodes.Type: ApplicationFiled: April 27, 2021Publication date: January 13, 2022Inventors: Ji Hye LEE, Kyung Bae KIM, Min Kyu WOO
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Patent number: 11211003Abstract: In a display device including pixels, each of the pixels may include: a first transistor coupled to a first node, a first power supply voltage line, and a second node; and a light-emitting diode coupled to the second node and a second power supply voltage line. Each image frame may include at least two emission enable periods for the light-emitting diode, and at least one emission inhibit period between the at least two emission enable periods.Type: GrantFiled: July 29, 2019Date of Patent: December 28, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Wan Seo, Min Kyu Woo, An Su Lee, Cheol Gon Lee
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Publication number: 20210383739Abstract: A display device includes a pixel unit including first pixels in a first pixel area, second pixels in a second pixel area, and third pixels in a third pixel area; a first scan driver including first multiplexers configured to operate in response to a first mode and a second mode different from the first mode, and to supply first scan signals to first scan lines connected to the first pixels; a second scan driver configured to supply second scan signals to second scan lines connected to the second pixels; and a third scan driver including second multiplexers configured to operate in response to the first mode and the second mode, and to supply third scan signals to third scan lines connected to the third pixels.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: Jae Sic LEE, Min Woo BYUN, Jae Du NOH, Min Kyu WOO, Seung Yeon CHO
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Publication number: 20210366888Abstract: A display device includes a conductive layer including a first voltage line and a second voltage line extending in a first direction; an interlayer insulating layer on the conductive layer and including a plurality of contact holes that expose parts of the conductive layer; a plurality of first-type electrodes on the interlayer insulating layer and electrically connected to the conductive layer through the plurality of contact holes, a plurality of second-type electrodes on the interlayer insulating layer and extending in the first direction, a plurality of light-emitting elements on pairs of the first-type and the second-type electrodes that are spaced from each other in the second direction; first-type contact electrodes on the first-type electrodes and in contact with the light-emitting elements; and second-type contact electrodes on the second-type electrodes and in contact with the light-emitting elements, each of the second-type contact electrodes includes contact electrode extensions on the second-typeType: ApplicationFiled: April 28, 2021Publication date: November 25, 2021Inventors: Kyung Bae KIM, Min Kyu WOO, Do Yeong PARK, Mee Hye JUNG, Chong Chul CHAI
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Publication number: 20210343240Abstract: A display device including: a pixel connected to first, second and third scan lines, a data line, and an emission line, the pixel including: an LED; a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a second transistor connected between the data line and the first node and including a gate electrode connected to the first scan line; a third transistor connected between the second node and the third node and including a gate electrode connected to the second scan line; a fourth transistor connected between the second node and a power source and including a gate electrode connected to the third scan line; and a fifth transistor connected between the second node and an anode of the LED and including a gate electrode connected to the second scan line.Type: ApplicationFiled: January 6, 2021Publication date: November 4, 2021Inventors: Min Kyu WOO, Hyun Joon KIM
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Patent number: 11163412Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.Type: GrantFiled: June 29, 2020Date of Patent: November 2, 2021Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
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Publication number: 20210327341Abstract: A display device including: a first power line; a second power line; a data line; a first scan line; a second scan line; a light emitting element connected between the first power line and a first node; a first transistor connected between the first node and the second power line and including a gate electrode connected to a second node; a second transistor connected between the data line and the second node and including a gate electrode connected to the first scan line; and a fourth transistor connected between the first power line and the first node and including a gate electrode connected to the second scan line.Type: ApplicationFiled: January 13, 2021Publication date: October 21, 2021Inventors: Dong Woo KIM, Min Kyu WOO
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Publication number: 20210265329Abstract: A display device includes: a base layer having a first area and a second area extending at least partially around a periphery of the first area; conductive patterns in the second area; an insulating layer over the conductive patterns in the second area; a first electrode and a second electrode on the insulating layer; and a plurality of light emitting elements between the first electrode and the second electrode in the first area and being connected to the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other in the first area and are respectively connected to portions of the conductive patterns through contact openings penetrating the insulating layer. The light emitting elements do not overlap the conductive patterns and the insulating layer.Type: ApplicationFiled: August 26, 2020Publication date: August 26, 2021Inventors: Min Kyu WOO, Kyung Bae KIM, Chong Chul CHAI
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Patent number: 11100843Abstract: A display device includes a pixel unit including first pixels in a first pixel area, second pixels in a second pixel area, and third pixels in a third pixel area; a first scan driver including first multiplexers configured to operate in response to a first mode and a second mode different from the first mode, and to supply first scan signals to first scan lines connected to the first pixels; a second scan driver configured to supply second scan signals to second scan lines connected to the second pixels; and a third scan driver including second multiplexers configured to operate in response to the first mode and the second mode, and to supply third scan signals to third scan lines connected to the third pixels.Type: GrantFiled: April 3, 2020Date of Patent: August 24, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jae Sic Lee, Min Woo Byun, Jae Du Noh, Min Kyu Woo, Seung Yeon Cho
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Publication number: 20210249392Abstract: 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: September 15, 2020Publication date: August 12, 2021Inventors: Min Kyu WOO, Kyung Bae KIM, Jin Yeong KIM, Chong Chul CHAI