Patents by Inventor Kwang-Chul Jung
Kwang-Chul Jung 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: 11778875Abstract: A display device includes a base substrate including: a display region including a pixel, and a pad region defining an end surface of the base substrate which is furthest from the display region and exposed outside the display panel; an insulating layer in the display region and the pad region; and in the pad region: a signal pad electrically connected to the pixel and to a dummy pad; the insulating layer covering the signal pad and the dummy pad and defining an end surface of the insulating layer which is furthest from the display region and exposed outside the display panel; and a first opening in the insulating layer which exposes the signal pad outside the insulating layer and outside the display panel. In the pad region, the end surfaces of the base substrate and the insulating layer together define an inclined edge of the display panel.Type: GrantFiled: February 23, 2021Date of Patent: October 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang-Chul Jung, Youngrae Kim, Dong-Yoon So, Kyungmin Park, Samho Ihm, Yongjun Jo
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Publication number: 20230247876Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an initialization voltage line disposed on the substrate and including a first initialization voltage line that extends in a first direction, and a second initialization voltage line that extends in a second direction; and a driving voltage line disposed on the substrate and extending in the second direction, wherein each of the first initialization voltage line and the driving voltage line is connected to at least one of the plurality of transistors, and the second initialization voltage line and the driving voltage line overlap each other.Type: ApplicationFiled: March 29, 2023Publication date: August 3, 2023Inventors: Mi Na KIM, Seul Bee LEE, Kwang-Chul JUNG, Yong Jun JO
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Patent number: 11621314Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an initialization voltage line disposed on the substrate and including a first initialization voltage line that extends in a first direction, and a second initialization voltage line that extends in a second direction; and a driving voltage line disposed on the substrate and extending in the second direction, wherein each of the first initialization voltage line and the driving voltage line is connected to at least one of the plurality of transistors, and the second initialization voltage line and the driving voltage line overlap each other.Type: GrantFiled: April 1, 2021Date of Patent: April 4, 2023Inventors: Mi Na Kim, Seul Bee Lee, Kwang-Chul Jung, Yong Jun Jo
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Patent number: 11482163Abstract: A display device includes scan lines disposed in a first direction; data lines disposed in a second direction substantially perpendicular to the first direction; and unit pixel regions adjacent to the scan lines and the data lines, each unit pixel region including sub-pixels. A portion of an opening region of at least one of the sub-pixels overlaps a unit pixel region adjacent to a unit pixel region corresponding to the at least one of the sub-pixels, and a side of the opening region of the at least one of the sub-pixels extends in a third direction inclined with respect to each of the first direction and the second direction.Type: GrantFiled: August 23, 2021Date of Patent: October 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Koo Chung, Dong Soo Kim, Taek Ju Jung, Seong Min Kim, Kyung Soo Jang, Kwang Chul Jung, Kyung Hyun Choi
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Publication number: 20220336569Abstract: A display device includes a substrate including sub-pixel circuit areas that are arranged in m rows and n columns, where m and n are positive integers, first gate lines extending in a row direction, data lines extending in a column direction, initialization power lines extending in the row direction, including first power lines disposed in sub-pixel circuit areas of odd rows and receiving a first initialization voltage and second power lines disposed in sub-pixel circuit areas of even rows and receiving a second initialization voltage, and transmission lines extending in the column direction, including first transmission lines disposed in sub-pixel circuit areas of odd columns and receiving the first initialization voltage from the first power lines and second transmission lines disposed in sub-pixel circuit areas of even columns and receiving the second initialization voltage from the second power lines.Type: ApplicationFiled: February 28, 2022Publication date: October 20, 2022Inventors: JUN-YONG AN, MIN JEONG KIM, HYUNGJUN PARK, NUREE UM, KWANG-CHUL JUNG
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Publication number: 20220293695Abstract: A display device may include a pixel circuit in a display area including a rounded corner portion, a scan driving circuit in a peripheral area surrounding the display area, and configured to provide a scan signal to the pixel circuit, a fan-out line between the pixel circuit and the scan driving circuit in the peripheral area adjacent to the corner portion, and configured to provide a pixel data signal to the pixel circuit, and a repair circuit between the scan driving circuit and the fan-out line in the peripheral area adjacent to the corner portion.Type: ApplicationFiled: March 4, 2022Publication date: September 15, 2022Inventors: YONGJUN JO, KWANG-CHUL JUNG, MINA KIM, SEULBEE LEE
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Patent number: 11444131Abstract: A display apparatus includes a display area extending in a first direction and a second direction, first to fourth sub-pixels, and a spacer. The first sub-pixel emits a first color light, and includes first and second sides extending in a third direction inclined at a predetermined angle with the first direction, and third and fourth sides extending in a fourth direction perpendicular to the third direction. The second sub-pixel emits a second color light, and is disposed adjacent to the second side of the first sub-pixel in the fourth direction. The third sub-pixel emits a third color light, and is disposed adjacent to the fourth side of the first sub-pixel in the third direction. The fourth sub-pixel emits the first color light, and is disposed adjacent to the second and third sub-pixels. The spacer is disposed between the first and second sub-pixels and between the third and fourth sub-pixels.Type: GrantFiled: July 17, 2020Date of Patent: September 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mina Kim, Kwang-Chul Jung, Wonkyu Kwak, Dongsoo Kim, Jinkoo Chung, Yongjun Jo, Changsoo Pyon
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Publication number: 20220069049Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an initialization voltage line disposed on the substrate and including a first initialization voltage line that extends in a first direction, and a second initialization voltage line that extends in a second direction; and a driving voltage line disposed on the substrate and extending in the second direction, wherein each of the first initialization voltage line and the driving voltage line is connected to at least one of the plurality of transistors, and the second initialization voltage line and the driving voltage line overlap each other.Type: ApplicationFiled: April 1, 2021Publication date: March 3, 2022Inventors: Mi Na KIM, Seul Bee LEE, Kwang-Chul JUNG, Yong Jun JO
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Publication number: 20210383747Abstract: A display device includes scan lines disposed in a first direction; data lines disposed in a second direction substantially perpendicular to the first direction; and unit pixel regions adjacent to the scan lines and the data lines, each unit pixel region including sub-pixels. A portion of an opening region of at least one of the sub-pixels overlaps a unit pixel region adjacent to a unit pixel region corresponding to the at least one of the sub-pixels, and a side of the opening region of the at least one of the sub-pixels extends in a third direction inclined with respect to each of the first direction and the second direction.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Applicant: Samsung Display Co., LTD.Inventors: Jin Koo CHUNG, Dong Soo KIM, Taek Ju JUNG, Seong Min KIM, Kyung Soo JANG, Kwang Chul JUNG, Kyung Hyun CHOI
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Publication number: 20210313411Abstract: A display device includes a base substrate including: a display region including a pixel, and a pad region defining an end surface of the base substrate which is furthest from the display region and exposed outside the display panel; an insulating layer in the display region and the pad region; and in the pad region: a signal pad electrically connected to the pixel and to a dummy pad; the insulating layer covering the signal pad and the dummy pad and defining an end surface of the insulating layer which is furthest from the display region and exposed outside the display panel; and a first opening in the insulating layer which exposes the signal pad outside the insulating layer and outside the display panel. In the pad region, the end surfaces of the base substrate and the insulating layer together define an inclined edge of the display panel.Type: ApplicationFiled: February 23, 2021Publication date: October 7, 2021Inventors: KWANG-CHUL JUNG, YOUNGRAE KIM, DONG-YOON SO, KYUNGMIN PARK, SAMHO IHM, YONGJUN JO
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Publication number: 20210286456Abstract: A display device includes: a first substrate including a display area and a non-display area; a second substrate facing the first substrate; a sealing member disposed in the non-display area and coupling the first substrate to the second substrate; a sensing contact area disposed at an inner side of the sealing member; a sensing signal line disposed in the sensing contact area; a sensing contact pattern disposed in the sensing contact area and electrically connected to the sensing signal line; a control signal line disposed between the first substrate and the sensing signal line; and a shielding pattern disposed between the control signal line and the sensing signal line, the shielding pattern overlapping the control signal line or the sensing signal line.Type: ApplicationFiled: January 13, 2021Publication date: September 16, 2021Inventors: Yong Jun JO, Kwang Chul JUNG, Dong Soo KIM, Mi Na KIM
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Publication number: 20210241677Abstract: A display device includes scan lines disposed in a first direction; data lines disposed in a second direction substantially perpendicular to the first direction; and unit pixel regions adjacent to the scan lines and the data lines, each unit pixel region including sub-pixels. A portion of an opening region of at least one of the sub-pixels overlaps a unit pixel region adjacent to a unit pixel region corresponding to the at least one of the sub-pixels, and a side of the opening region of the at least one of the sub-pixels extends in a third direction inclined with respect to each of the first direction and the second direction.Type: ApplicationFiled: September 1, 2020Publication date: August 5, 2021Applicant: Samsung Display Co., LTD.Inventors: Jin Koo CHUNG, Dong Soo KIM, Taek Ju JUNG, Seong Min KIM, Kyung Soo JANG, Kwang Chul JUNG, Kyung Hyun CHOI
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Patent number: 11049913Abstract: A display device includes a substrate, a light emitting element located on the substrate, an encapsulation layer covering the light emitting element, a sensing electrode located on the encapsulation layer, a first sensing line including a first portion having a first thickness and a second portion having a second thickness, and a second sensing line extended from the sensing electrode. The second sensing line is in contact with the first portion of the first sensing line. The first thickness and the second thickness are substantially the same. The first portion is positioned higher than the second portion from the substrate.Type: GrantFiled: May 24, 2019Date of Patent: June 29, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Won Choi, Won Mi Hwang, Jun Young Min, Kwang Chul Jung
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Patent number: 11048352Abstract: A display device includes a first substrate having a display area, a non-display area surrounding the display area, and a protruding area. A first sensing pad part is formed in the non-display area adjacent to the protruding area. A circuit element layer is positioned in the display area. A display element layer is positioned on the circuit element layer and includes a light-emitting layer and a second electrode on the light-emitting layer. A second substrate overlaps the first substrate and does not overlap the protruding area. A second sensing pad part is formed on the second substrate to overlap with the first sensing pad part. A sealing member is disposed along a border of the second substrate and attaches the first substrate to the second substrate. The first sensing pad part and the second sensing pad part are disposed between a border of the second electrode and the sealing member.Type: GrantFiled: April 14, 2020Date of Patent: June 29, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Soo Kim, Mi Na Kim, Kwang Chul Jung, Yong Jun Jo
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Patent number: 10957264Abstract: A display apparatus with improved aperture ratio and light transmittance is presented. The apparatus has a pixel group that includes a first pixel including first and second sub-regions, a second pixel including third and fourth sub-regions, and a third pixel including fifth and sixth sub-regions. The first, second, and third pixels are sequentially arranged in a first direction and at least two sub-regions of the first, third, and fifth sub-regions have different widths in the first direction. The second, fourth, and sixth sub-regions are sequentially arranged in the first direction, and at least one sub-region of the second, fourth, and sixth sub-regions expands toward an adjacent sub-region in the first direction and has a width greater than a width of the other sub-regions of the second, fourth, and sixth sub-regions in the same pixel group.Type: GrantFiled: September 14, 2018Date of Patent: March 23, 2021Inventors: Sunhwa Lee, Kwang-chul Jung, Sang-Uk Lim
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Publication number: 20210064169Abstract: A display device includes a first substrate having a display area, a non-display area surrounding the display area, and a protruding area. A first sensing pad part is formed in the non-display area adjacent to the protruding area. A circuit element layer is positioned in the display area. A display element layer is positioned on the circuit element layer and includes a light-emitting layer and a second electrode on the light-emitting layer. A second substrate overlaps the first substrate and does not overlap the protruding area. A second sensing pad part is formed on the second substrate to overlap with the first sensing pad part. A sealing member is disposed along a border of the second substrate and attaches the first substrate to the second substrate. The first sensing pad part and the second sensing pad part are disposed between a border of the second electrode and the sealing member.Type: ApplicationFiled: April 14, 2020Publication date: March 4, 2021Inventors: Dong Soo KIM, Mi Na Kim, Kwang Chul Jung, Yong Jun Jo
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Publication number: 20210043697Abstract: A display apparatus includes a display area extending in a first direction and a second direction, first to fourth sub-pixels, and a spacer. The first sub-pixel emits a first color light, and includes first and second sides extending in a third direction inclined at a predetermined angle with the first direction, and third and fourth sides extending in a fourth direction perpendicular to the third direction. The second sub-pixel emits a second color light, and is disposed adjacent to the second side of the first sub-pixel in the fourth direction. The third sub-pixel emits a third color light, and is disposed adjacent to the fourth side of the first sub-pixel in the third direction. The fourth sub-pixel emits the first color light, and is disposed adjacent to the second and third sub-pixels. The spacer is disposed between the first and second sub-pixels and between the third and fourth sub-pixels.Type: ApplicationFiled: July 17, 2020Publication date: February 11, 2021Inventors: Mina Kim, Kwang-Chul Jung, Wonkyu Kwak, Dongsoo Kim, Jinkoo Chung, Yongjun Jo, Changsoo Pyon
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Publication number: 20200105840Abstract: A display device includes a substrate, a light emitting element located on the substrate, an encapsulation layer covering the light emitting element, a sensing electrode located on the encapsulation layer, a first sensing line including a first portion having a first thickness and a second portion having a second thickness, and a second sensing line extended from the sensing electrode. The second sensing line is in contact with the first portion of the first sensing line. The first thickness and the second thickness are substantially the same. The first portion is positioned higher than the second portion from the substrate.Type: ApplicationFiled: May 24, 2019Publication date: April 2, 2020Inventors: JUN WON CHOI, WON MI HWANG, JUN YOUNG MIN, KWANG CHUL JUNG
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Patent number: 10580362Abstract: A display device includes: first pixels in a first pixel region and connected to first scan lines; second pixels in a second pixel region that is located at a side of the first pixel region and has a width smaller than a width of the first pixel region, and connected to second scan lines; third pixels in a third pixel region that is spaced apart from the second pixel region and has a width smaller than the width of the first pixel region, and connected to third scan lines; a load matching unit in a peripheral region at an outside of the second pixel region and the third pixel region, and configured to match loads of the second scan lines and the third scan lines to that of the first scan lines; and a protection unit connected between the second and third pixels and the load matching unit.Type: GrantFiled: August 1, 2018Date of Patent: March 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yong Sung Park, Min Woo Byun, Kwang Chul Jung, Hyun Joon Kim, Sung Yoon Kim, Hyun Suk Yang, Doo Youl Lee
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Patent number: 10483341Abstract: A display device includes first pixels in a first pixel area and coupled with first scan lines, first scan stage circuits in a first peripheral area outside the first pixel area, and configured to supply a first scan signal to the first scan lines, second pixels in a second pixel area having a width that is less than a width of the first pixel area, and coupled with second scan lines, second scan stage circuits in a second peripheral area outside the second pixel area, and configured to generate a second scan signal, and first load matching units respectively between the second scan stage circuits, and configured to delay the second scan signal, and to supply the delayed second scan signal to the second scan lines.Type: GrantFiled: May 8, 2018Date of Patent: November 19, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kwang Chul Jung, Hyun Joon Kim, Sung Yoon Kim, Hyun Suk Yang, Doo Youl Lee