Patents by Inventor Gwang-Bum Ko
Gwang-Bum Ko 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: 20200218379Abstract: A touch sensor includes a base layer, first touch sensor columns, second touch sensor columns, and sensing lines. The base layer includes a sensing region and a non-sensing region. The first touch sensor columns extend in a first direction. The first touch sensor columns include first touch electrodes. The first touch electrodes include sub-touch electrodes in the sensing region. The second touch sensor columns include second touch electrodes in the sensing region. The second touch sensor columns are alternately arranged with the first touch sensor columns. The sensing lines are in the non-sensing region. The sensing lines include: first sensing lines electrically connected to the sub-touch electrodes, and second sensing lines electrically connected to the second touch electrodes. The sub-touch electrodes and the second touch electrodes have different widths.Type: ApplicationFiled: March 16, 2020Publication date: July 9, 2020Inventors: Soo Jung LEE, Hyoung Wook JANG, Gwang Bum KO, Jeong Yun HAN
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Patent number: 10698523Abstract: A display apparatus includes an organic light emitting display panel including a circuit layer and a touch sensing unit disposed on the organic light emitting display panel and including sensor blocks and touch signal lines connected to the sensor blocks. The circuit layer includes first signal lines disposed on a base layer, a first insulation layer disposed on the first signal lines, second signal lines disposed on the first insulation layer, and dummy conductive patterns. Each of the touch signal lines includes a touch line part and a touch pad part connected to an end of the touch line part. The dummy conductive patterns include a dummy conductive pad disposed directly on a same layer as the first signal lines or the second signal lines and overlap the touch pad part.Type: GrantFiled: January 19, 2017Date of Patent: June 30, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyoungwook Jang, Gwang-bum Ko, Hyunjae Na
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Publication number: 20200201478Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; and a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns. An outline length of at least some of the second sensor electrodes facing the first sensor electrodes varies along the longitudinal axis of its respective second sensor electrodes.Type: ApplicationFiled: March 2, 2020Publication date: June 25, 2020Inventors: Gwang Bum Ko, Hyun Jae Na, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
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Publication number: 20200201462Abstract: A touch sensor includes a base, first sensing electrode columns (FSECs), and second sensing electrode columns (SSECs). The base includes a sensing region (SR) including a rounded corner (RC), and a non-SR outside the SR. The FSECs extend in a direction on the base, each FSEC among the FSECs including first sensing electrodes (FSEs), each FSE among the FSEs including sub-electrodes. The SSECs are alternately disposed with the FSECs on the base, each SSEC among the SSECs including second sensing electrodes (SSEs). Sub-electrodes of one of adjacent FSEs among the FSEs are electrically connected to respective sub-electrodes of another of the adjacent FSEs. A sub-electrode closest to the RC among the sub-electrodes includes a rounded edge (RE) corresponding to the RC. A SSE closest to the RC among the SSEs includes a RE corresponding to the RC, and a protrusion part protruding toward the sub-electrode including the RE.Type: ApplicationFiled: March 2, 2020Publication date: June 25, 2020Inventors: Gwang Bum KO, Soo Jung LEE, Jeong Yun HAN
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Patent number: 10635243Abstract: A touch panel includes a sensing cell and a sensing line disposed on a transparent substrate. Each of the sensing cell and the sensing line includes at least one pattern line. The at least one pattern line includes unit patterns, each of the unit patterns including a first line extending in a first direction, a second line connected to the first line and extending in a second direction intersecting the first direction, a third line connected to the first line and extending in a third direction intersecting the first direction, and a fourth line connected to the third line and extending in the first direction. The first line, the second line, the third line, and an extension of the fourth line form a trapezoid. The unit patterns are repeatedly arranged and adjacent unit patterns are connected each other.Type: GrantFiled: April 19, 2016Date of Patent: April 28, 2020Assignee: Samsung Display Co., Ltd.Inventors: Gwang Bum Ko, Hyun Jae Na
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Patent number: 10627955Abstract: A touch display apparatus integrated fingerprint sensor includes a plurality of pixels arranged in a display area, a plurality of touch sensor electrodes arranged in a touch sensor area overlapping with the display area, a plurality of fingerprint sensor electrodes arranged in a fingerprint sensor area which is spaced apart from the touch sensor area and overlaps with the display area, and a plurality of fingerprint lines overlapping with a plurality of touch sensor electrodes which is located in an area adjacent to the fingerprint sensor area and associated with driving of the plurality of fingerprint sensor electrodes. The plurality of fingerprint lines may include a fingerprint guard line surrounding the fingerprint sensor area, and a fingerprint electrostatic line surrounding the fingerprint sensor area. The fingerprint guard line and fingerprint electrostatic line increase sensor reliability by shielding the plurality of fingerprint sensor electrodes from external signals and electrostatic discharge.Type: GrantFiled: December 11, 2017Date of Patent: April 21, 2020Assignee: Samsung Display Co., Ltd.Inventors: Gwang-Bum Ko, Yeri Jeong, Jeongyun Han
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Patent number: 10613681Abstract: A touch screen including a plurality of first sensing electrode columns having a plurality of first sensing electrodes, the plurality of first sensing electrode columns extending in one direction, and a plurality of second sensing electrode columns alternately disposed with the first sensing electrode columns, the plurality of second sensing electrode columns including a plurality of second sensing electrodes having a plurality of sub-electrodes. Sub-electrodes of one of adjacent second sensing electrodes are electrically connected to sub-electrodes of another of the adjacent second sensing electrodes. At least some of the first sensing electrodes include a first region and a second region electrically separated from the first region.Type: GrantFiled: May 15, 2017Date of Patent: April 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyun Jae Na, Gwang Bum Ko, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
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Patent number: 10592056Abstract: A touch sensor includes a base layer, first touch sensor columns, second touch sensor columns, and sensing lines. The base layer includes a sensing region and a non-sensing region. The first touch sensor columns extend in a first direction. The first touch sensor columns include first touch electrodes. The first touch electrodes include sub-touch electrodes in the sensing region. The second touch sensor columns include second touch electrodes in the sensing region. The second touch sensor columns are alternately arranged with the first touch sensor columns. The sensing lines are in the non-sensing region. The sensing lines include: first sensing lines electrically connected to the sub-touch electrodes, and second sensing lines electrically connected to the second touch electrodes. The sub-touch electrodes and the second touch electrodes have different widths.Type: GrantFiled: May 3, 2018Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Soo Jung Lee, Hyoung Wook Jang, Gwang Bum Ko, Jeong Yun Han
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Patent number: 10592052Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.Type: GrantFiled: September 17, 2019Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Gwang Bum Ko, Hyun Jae Na, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
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Patent number: 10579191Abstract: A touch sensor includes a base, first sensing electrode columns (FSECs), and second sensing electrode columns (SSECs). The base includes a sensing region (SR) including a rounded corner (RC), and a non-SR outside the SR. The FSECs extend in a direction on the base, each FSEC among the FSECs including first sensing electrodes (FSEs), each FSE among the FSEs including sub-electrodes. The SSECs are alternately disposed with the FSECs on the base, each SSEC among the SSECs including second sensing electrodes (SSEs). Sub-electrodes of one of adjacent FSEs among the FSEs are electrically connected to respective sub-electrodes of another of the adjacent FSEs. A sub-electrode closest to the RC among the sub-electrodes includes a rounded edge (RE) corresponding to the RC. A SSE closest to the RC among the SSEs includes a RE corresponding to the RC, and a protrusion part protruding toward the sub-electrode including the RE.Type: GrantFiled: January 11, 2018Date of Patent: March 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Gwang Bum Ko, Soo Jung Lee, Jeong Yun Han
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Publication number: 20200050316Abstract: A display device includes a display panel and a touch sensing unit including touch signal lines (TSL) and sensor columns (SCs) including sensor blocks (SBs). Each SB includes a first sensor (FS) and i (i being ?2) second sensors (SSs). The TSLs include: first signal lines (FSLs) respectively connected to some of the FSs, a portion of each of the FSLs extending to a first end of a corresponding SC from a corresponding sensor of the some of the FSs; second signal lines (SSLs) respectively connected to other FSs, a portion of each of the SSLs extending to a second end of the corresponding SC from a corresponding sensor of the other FSs; and third signal lines connecting a j-th (j being ?1) SS of an n-th (n being ?1) SB to an (i-j+1)-th SS of an (n+1)-th SB.Type: ApplicationFiled: October 18, 2019Publication date: February 13, 2020Inventors: Hyunjae NA, Gwang-bum KO
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Publication number: 20200012384Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.Type: ApplicationFiled: September 17, 2019Publication date: January 9, 2020Inventors: Gwang Bum KO, Hyun Jae NA, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
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Patent number: 10503315Abstract: A display device includes a display panel and a touch sensing unit including touch signal lines (TSL) and sensor columns (SCs) including sensor blocks (SBs). Each SB includes a first sensor (FS) and i (i being ?2) second sensors (SSs). The TSLs include: first signal lines (FSLs) respectively connected to some of the FSs, a portion of each of the FSLs extending to a first end of a corresponding SC from a corresponding sensor of the some of the FSs; second signal lines (SSLs) respectively connected to other FSs, a portion of each of the SSLs extending to a second end of the corresponding SC from a corresponding sensor of the other FSs; and third signal lines connecting a j-th (j being ?1) SS of an n-th (n being ?1) SB to an (i?j+1)-th SS of an (n+1)-th SB.Type: GrantFiled: February 11, 2019Date of Patent: December 10, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hyunjae Na, Gwang-bum Ko
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Publication number: 20190361558Abstract: Provided are a force sensor module and a display device including the same. The display device includes a display panel, and a force sensor module overlapping the display panel, and including a circuit board, and the force sensor partially attached to the circuit board, and including an attachment portion having a surface facing the circuit board and attached to the circuit board, and a non-attachment portion having a surface spaced apart from the circuit board.Type: ApplicationFiled: December 4, 2018Publication date: November 28, 2019Inventors: Gwang Bum KO, Do Ik KIM, Young Sik KIM, Sang Chul LEE
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Publication number: 20190332212Abstract: A touch sensor includes a base layer and a plurality of first touch electrodes disposed on the base layer. The plurality of first touch electrodes are arranged in a first direction. The plurality of first touch electrodes include openings, and are electrically connected to one another. A plurality of second touch electrodes are disposed on the base layer. The plurality of second touch electrodes are arranged in a second direction. The plurality of second touch electrodes are electrically connected to one another. First pressure sensing electrodes and second pressure sensing electrodes are separated from each other and are disposed in the openings. The pressure sensing electrodes and second pressure sensing electrodes are spaced apart from the first touch electrodes. The first pressure sensing electrodes, the second pressure sensing electrodes, the first touch electrodes, and the second touch electrodes are all disposed in a first layer.Type: ApplicationFiled: March 25, 2019Publication date: October 31, 2019Inventors: JUNG HAK KIM, Do lk KIM, Gwang Bum KO, Ga Young KIM, Young Sik KIM, Sang Chul LEE
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Patent number: 10444904Abstract: An input sensing unit includes sensing electrodes. Each of the sensing electrodes includes: first electrodes arranged in a column extending in a first direction; a second electrode extending in the first direction; first sensing lines connected to the first electrodes, the first sensing lines extending in the first direction; and a second sensing line connected to the second electrode, the second sensing line extending in the first direction. The first sensing lines are connected to first pad portions. The second sensing line is connected to a second pad portion. The second pad portions or some of the first pad portions are disposed between a first pad portion among the first pad portions and the second pad portion, the first pad portion being connected to a first sensing line closest to the second sensing line among the first sensing lines.Type: GrantFiled: December 18, 2017Date of Patent: October 15, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jeong Yun Han, Hoe Seok Na, Gwang Bum Ko, Jeong Hoon Bang
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Patent number: 10444900Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.Type: GrantFiled: May 23, 2017Date of Patent: October 15, 2019Assignee: Samsung Display Co., Ltd.Inventors: Gwang Bum Ko, Hyun Jae Na, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
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Publication number: 20190303641Abstract: A display device with a display panel including a display area and a plurality of pixels arranged in the display area, a photosensor layer including a sensing area overlapping the display area and a plurality of photosensors arranged in the sensing area, a light-guiding layer arranged between the display panel and the photosensor layer, the light-guiding layer includes a plurality of light-transmission holes corresponding to the plurality of photosensors, wherein the light-guiding layer includes a transparent tube bundle comprising a plurality of transparent tubes forming the light-transmission holes.Type: ApplicationFiled: June 20, 2019Publication date: October 3, 2019Inventors: Gwang Bum KO, Do Ik KIM, Seung Hwan CHUNG, Sung Hwan KIM
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Patent number: 10417477Abstract: A display device with a display panel including a display area and a plurality of pixels arranged in the display area, a photosensor layer including a sensing area overlapping the display area and a plurality of photosensors arranged in the sensing area, a light-guiding layer arranged between the display panel and the photosensor layer and configured to include a plurality of light-transmission holes corresponding to the photosensors, respectively, and a light-condensing layer arranged between the display panel and the photosensor layer to overlap the light-guiding layer.Type: GrantFiled: May 1, 2018Date of Patent: September 17, 2019Assignee: Samsung Display Co., Ltd.Inventors: Gwang Bum Ko, Do Ik Kim, Seung Hwan Chung, Sung Hwan Kim
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Patent number: 10380403Abstract: A display device with a display panel including a display area and a plurality of pixels arranged in the display area, a photosensor layer including a sensing area overlapping the display area and a plurality of photosensors arranged in the sensing area, a light-guiding layer arranged between the display panel and the photosensor layer and configured to include a plurality of light-transmission holes corresponding to the photosensors, respectively, and a light-condensing layer arranged between the display panel and the photosensor layer to overlap the light-guiding layer.Type: GrantFiled: May 1, 2018Date of Patent: August 13, 2019Assignee: Samsung Display Co., Ltd.Inventors: Gwang Bum Ko, Do Ik Kim, Seung Hwan Chung, Sung Hwan Kim