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公开(公告)号:US12216144B2
公开(公告)日:2025-02-04
申请号:US18340678
申请日:2023-06-23
Applicant: Samsung Display Co., Ltd.
Inventor: Eunsol Seo , Hyun-Wook Cho , Sangkook Kim , Taejoon Kim , Eungkwan Lee , Jaewoo Choi
Abstract: In a method for testing an electronic device, the method includes: providing an electronic device including a display layer and a sensor layer on the display layer and configured to operate at a touch drive frequency, the sensor layer including a plurality of first electrodes and a plurality of second electrodes insulatively intersecting the plurality of first electrodes; providing a test signal having a test frequency higher than the touch drive frequency to the plurality of first electrodes; measuring mutual capacitance with the plurality of first electrodes through the plurality of second electrodes; and determining whether or not the sensor layer is defective, based on the mutual capacitance.
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公开(公告)号:US20220271096A1
公开(公告)日:2022-08-25
申请号:US17455566
申请日:2021-11-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: HYUNGBAE KIM , Taejoon Kim , Jaewoo Choi
Abstract: A display device includes a display panel and an input sensor disposed on the display panel. The input sensor includes a plurality of first areas repeatedly arranged in a first direction, a plurality of second areas repeatedly arranged in the first direction, an inorganic insulating layer disposed in the first areas, an organic insulating layer disposed in the first areas and the second areas, and a sensing electrode disposed on the organic insulating layer. The first areas are alternately arranged in the first direction with the second areas, and the input sensor includes openings in the second areas that are formed by removing portions of the inorganic insulating layer from the second areas.
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公开(公告)号:US12193305B2
公开(公告)日:2025-01-07
申请号:US17456509
申请日:2021-11-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Hyungbae Kim , Taejoon Kim , Jaewoo Choi
IPC: G06F3/041 , G06F3/044 , H10K50/844 , H10K59/131 , H10K59/40
Abstract: A display panel includes a display panel and an input sensor disposed on the display panel. The input sensor includes an active region and an inactive region at least partially surrounding the active region. The input sensor includes a plurality of sensing electrodes disposed in the active region, a plurality of sensing lines disposed in the inactive region and connected to the sensing electrodes, a ground line extending outwardly to a greater extent than the sensing lines in the inactive region, and at least one shield layer extending from the ground line in the inactive region.
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公开(公告)号:US12048224B2
公开(公告)日:2024-07-23
申请号:US17455566
申请日:2021-11-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Hyungbae Kim , Taejoon Kim , Jaewoo Choi
IPC: G06F3/044 , H10K50/844 , H10K59/40 , H10K102/00
CPC classification number: H10K59/40 , G06F3/0446 , H10K50/844 , G06F2203/04111 , H10K2102/311
Abstract: A display device includes a display panel and an input sensor disposed on the display panel. The input sensor includes a plurality of first areas repeatedly arranged in a first direction, a plurality of second areas repeatedly arranged in the first direction, an inorganic insulating layer disposed in the first areas, an organic insulating layer disposed in the first areas and the second areas, and a sensing electrode disposed on the organic insulating layer. The first areas are alternately arranged in the first direction with the second areas, and the input sensor includes openings in the second areas that are formed by removing portions of the inorganic insulating layer from the second areas.
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公开(公告)号:US11853520B2
公开(公告)日:2023-12-26
申请号:US17751515
申请日:2022-05-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Eunsol Seo , Hyun-Wook Cho , Jaewoo Choi , Taejoon Kim
CPC classification number: G06F3/0446 , G06F3/045 , G06F3/0416 , G06F3/0443 , G06F2203/04107 , G06F2203/04111 , G06F2203/04112
Abstract: An electronic device includes a display unit including an active area configured to display an image, a peripheral area adjacent to the active area, and an input sensing unit disposed on the display unit within the active area. The input sensing unit includes a first sensing electrode disposed in the active area and a second sensing electrode spaced apart from the first sensing electrode and disposed in the active area.
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公开(公告)号:US20220262866A1
公开(公告)日:2022-08-18
申请号:US17456509
申请日:2021-11-24
Applicant: Samsung Display Co., Ltd.
Inventor: Hyungbae Kim , Taejoon Kim , Jaewoo Choi
Abstract: A display panel includes a display panel and an input sensor disposed on the display panel. The input sensor includes an active region and an inactive region at least partially surrounding the active region. The input sensor includes a plurality of sensing electrodes disposed in the active region, a plurality of sensing lines disposed in the inactive region and connected to the sensing electrodes, a ground line extending outwardly to a greater extent than the sensing lines in the inactive region, and at least one shield layer extending from the ground line in the inactive region.
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公开(公告)号:US11842021B2
公开(公告)日:2023-12-12
申请号:US18062003
申请日:2022-12-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Joo-Hyeon Jeong , Taejoon Kim , Hyun-Wook Cho , Jaewoo Choi
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/0443
Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.
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公开(公告)号:US20230064190A1
公开(公告)日:2023-03-02
申请号:US17865422
申请日:2022-07-15
Applicant: Samsung Display Co., Ltd.
Inventor: Min-Hong Kim , Taejoon Kim , Jungmok Park , Hyun-Wook Cho , Jaewoo Choi
Abstract: An input sensor short-circuit inspection method including: setting an inspection frequency for detecting a short-circuit of an input sensor comprising a plurality of electrodes; driving the input sensor in an inspection mode at the set inspection frequency; and detecting the short-circuit of the input sensor based on a capacitance charged between adjacent electrodes among the plurality of electrodes of the input sensor in the inspection mode.
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公开(公告)号:US10884568B2
公开(公告)日:2021-01-05
申请号:US16576609
申请日:2019-09-19
Applicant: Samsung Display Co., Ltd.
Inventor: Eunsol Seo , Hyun-Wook Cho , Jaewoo Choi , Taejoon Kim
Abstract: An electronic device includes a display unit including an active area configured to display an image, a peripheral area adjacent to the active area, and an input sensing unit disposed on the display unit within the active area. The input sensing unit includes a first sensing electrode disposed in the active area and a second sensing electrode spaced apart from the first sensing electrode and disposed in the active area.
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10.
公开(公告)号:US12074427B2
公开(公告)日:2024-08-27
申请号:US17865422
申请日:2022-07-15
Applicant: Samsung Display Co., Ltd.
Inventor: Min-Hong Kim , Taejoon Kim , Jungmok Park , Hyun-Wook Cho , Jaewoo Choi
CPC classification number: H02H3/24 , G01R27/025 , G01R31/2837 , G01R31/50
Abstract: An input sensor short-circuit inspection method including: setting an inspection frequency for detecting a short-circuit of an input sensor comprising a plurality of electrodes; driving the input sensor in an inspection mode at the set inspection frequency; and detecting the short-circuit of the input sensor based on a capacitance charged between adjacent electrodes among the plurality of electrodes of the input sensor in the inspection mode.
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