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11.发明申请公开(公告)号：US20230052993A1
公开(公告)日：2023-02-16
申请号：US17668966
申请日：2022-02-10
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Mok PARK , Min Hong KIM , Tae Joon KIM , Jin Woo PARK , Wan Kee JUN , Hyun Wook CHO
Abstract: The present disclosure relates to a touch detection device that can increase the emission efficiency while maintaining touch detecting performance by improving the structure of touch electrodes. According to an embodiment of the disclosure, a touch detection device comprising a first touch insulating layer, a connection electrode disposed on the first touch insulating layer, a second touch insulating layer disposed on the connection electrode, a driving electrode disposed on a second touch insulating layer and connected to the connection electrode through at least one touch contact hole, and a sensing electrode disposed on the second touch and spaced apart from the driving electrode, wherein at least one of the driving electrode and the sensing electrode a conductive metal electrode and a metal oxide electrode which is oxidized.
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公开(公告)号：US20220365651A1
公开(公告)日：2022-11-17
申请号：US17877670
申请日：2022-07-29
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Wook CHO , Tae Joon KIM , Eun Sol SEO , Eung Kwan LEE , Jae Woo CHOI
IPC: G06F3/041
Abstract: An input sensing unit may include the following elements: a first sensing electrode including first sensors and a first connector coupling the first sensors; a second sensing electrode including second sensors and a second connector coupling the second sensors; a first sensing line including first sensing line parts and a third connector coupling the first sensing line parts; a second sensing line; and an insulating layer including a first insulating side and a second insulating side opposite the first insulating side. The first sensing line parts may overlap the first sensors and may be disposed on the first insulating side. The second sensing line may overlap the second sensors and may be disposed on the first insulating side. The first sensors may be disposed on the second insulating side. The second sensors may be disposed on the second insulating side.
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公开(公告)号：US20220020333A1
公开(公告)日：2022-01-20
申请号：US17333804
申请日：2021-05-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Wook CHO , Sang Hyun LIM , Jun Seong LEE
IPC: G09G3/3266
Abstract: A display device includes: a plurality of pixels; a scan driver configured to supply scan signals of a turn-on level to the scan lines at a cycle of a horizontal synchronization signal; a plurality of first sensors and a plurality of second sensors overlapping at least some of the pixels; and a sensor driver configured to concurrently supply first sensing signals to the first sensors during a first sensing period, to concurrently supply second sensing signals to the second sensors during a second sensing period, and to sequentially supply third sensing signals to the first sensors during a third sensing period, wherein the number of the first sensing signals is an integer greater than 2, wherein the first sensing signals are divided into first groups, and wherein an initial first sensing signal in each of the first groups is synchronized with the horizontal synchronization signal.
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公开(公告)号：US20210342053A1
公开(公告)日：2021-11-04
申请号：US17373683
申请日：2021-07-12
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Wook CHO , Tae Joon KIM , Eun Sol SEO , Eung Kwan LEE , Jae Woo CHOI
IPC: G06F3/041
Abstract: An input sensing unit may include the following elements: a first sensing electrode including first sensors and a first connector coupling the first sensors; a second sensing electrode including second sensors and a second connector coupling the second sensors; a first sensing line including first sensing line parts and a third connector coupling the first sensing line parts; a second sensing line; and an insulating layer including a first insulating side and a second insulating side opposite the first insulating side. The first sensing line parts may overlap the first sensors and may be disposed on the first insulating side. The second sensing line may overlap the second sensors and may be disposed on the first insulating side. The first sensors may be disposed on the second insulating side. The second sensors may be disposed on the second insulating side.
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公开(公告)号：US20250077034A1
公开(公告)日：2025-03-06
申请号：US18637955
申请日：2024-04-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Eung Kwan LEE , Tae Joon KIM , Ji Yeong LEE , Hyun Wook CHO , Jae Woo CHOI
Abstract: A display device includes a plurality of touch cells, and a central area and an edge area. The plurality of touch cells is arranged in a first direction and a second direction crossing the first direction, and is located in the central area and the edge area. The edge area includes first to fourth sub-edge areas. Shapes of touch cells in the central area are different from shapes of touch cells in the edge area. Shapes of touch cells in the first and second sub-edge areas are different from shapes of touch cells in the third and fourth sub-edge areas.
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Patent Agency Ranking
公开(公告)号：US20240220044A1
公开(公告)日：2024-07-04
申请号：US18211487
申请日：2023-06-19
Applicant: Samsung Display Co., Ltd.
Inventor： Min Hong KIM , Tae Joon KIM , Jung Mok PARK , Jin Woo PARK , Hyun Wook CHO
CPC classification number: G06F3/0416 , G09G3/2096 , G09G2300/0842
Abstract: According to an embodiment of the disclosure, a display device includes a sensor driver receiving firmware from an host in which the firmware is stored, the sensor driver including a second memory storing the firmware supplied from the host and initialized when a reset signal is supplied from the host, and a sensing unit for supplying a recovery signal corresponding to an abnormal state of the sensor driver to the host while sensing at least one of an internal voltage and a clock signal of the sensor driver.
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公开(公告)号：US20240134487A1
公开(公告)日：2024-04-25
申请号：US18402507
申请日：2024-01-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyung Bae KIM , Min Hong KIM , Sang Kook KIM , Tae Joon KIM , Jae Hyun PARK , Ji Yeong LEE , Hyun Wook CHO
CPC classification number: G06F3/0443 , G06F3/04164 , G06F3/0446
Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
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公开(公告)号：US20230152928A1
公开(公告)日：2023-05-18
申请号：US17807166
申请日：2022-06-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： HYUNG BAE KIM , Min Hong Kim , Sang Kook KIM , Tae Joon KIM , Jae Hyun PARK , Ji Yeong LEE , Hyun Wook CHO
CPC classification number: G06F3/0443 , G06F3/0446 , G06F3/04164
Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
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公开(公告)号：US20230094957A1
公开(公告)日：2023-03-30
申请号：US17659958
申请日：2022-04-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Soon Gyu LEE , Hyun Wook CHO
Abstract: A display device including a non-sensing area and a sensing area with a first sensing area and a second sensing area spaced apart from each other in a first direction, includes a light emitting element emitting light, and a sensor unit including a plurality of first sensor electrodes disposed in the first sensing area and extending in the first direction, a plurality of second sensor electrodes disposed in the second sensing area and extending in the first direction, a plurality of third sensor electrodes disposed in the first sensing area and extending in a second direction different from the first direction, a plurality of fourth sensor electrodes disposed in the second sensing area and extending in the second direction, and a connection pattern disposed in the non-sensing area. The connection pattern electrically connects the plurality of third sensor electrodes to the plurality of fourth sensor electrodes
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公开(公告)号：US20220391069A1
公开(公告)日：2022-12-08
申请号：US17674980
申请日：2022-02-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Wook CHO , Min Hong KIM , Jung Mok PARK , II Ho LEE
Abstract: A display device including: pixels; a data driver configured to start outputting data voltages to at least some of the pixels at a first time during a horizontal period, and end outputting the data voltages at a second time during the horizontal period; sensors; and a sensor driver configured to change a logic level of a sensing signal of at least some of the sensors at a third time different from the first time and the second time during the horizontal period, wherein at least one of the first time, the second time, and the third time is changed according to a number of times a logic level of a vertical synchronization signal is changed while a logic level of a horizontal synchronization signal is maintained.
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