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公开(公告)号：US11709555B2
公开(公告)日：2023-07-25
申请号：US17715464
申请日：2022-04-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sang Park , Ju Yeon Kim , Chang Min Park , Chang Woo Shim , Gi Na Yoo , Seong Jun Lee
IPC: G06F3/0354 , G06F3/041 , G06F3/038
CPC classification number: G06F3/03542 , G06F3/0383 , G06F3/041
Abstract: A smart pen including: a body part; a nib part at an end of the body part; a code detection unit for receiving light reflected from a display panel and the nib part, wherein the light reflected from the display panel and the nib part is used to detect shape data for code patterns of the display panel; and a code processor for generating coordinate data based on the shape data and transmitting the coordinate data to a main processor for driving the display panel based on the coordinate data.
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公开(公告)号：US12093477B2
公开(公告)日：2024-09-17
申请号：US17652794
申请日：2022-02-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chang Woo Shim , Won Sang Park , Gi Na Yoo , Seong Jun Lee
IPC: G06F3/041 , G06F3/03 , G06F3/0354 , G06F3/044 , H10K50/86 , H10K59/126 , H10K59/40 , H10K59/38
CPC classification number: G06F3/0412 , G06F3/0321 , G06F3/03542 , G06F3/04162 , G06F3/0446 , H10K50/865 , H10K59/126 , H10K59/40 , G06F2203/04111 , H10K59/38
Abstract: A display panel includes a plurality of emission areas emitting light and a light blocking area at least partially surrounding the plurality of emission areas, a plurality of touch electrodes disposed in the light blocking area on the display panel to sense a touch, a wavelength absorption layer disposed on the plurality of touch electrodes to absorb light of a specific wavelength, a bridge electrode disposed on the wavelength absorption layer to connect adjacent touch electrodes among the plurality of touch electrodes to each other, and a code pattern having position information determined by a planar shape of the bridge electrode.
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公开(公告)号：US11861116B2
公开(公告)日：2024-01-02
申请号：US17823114
申请日：2022-08-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
CPC classification number: G06F3/0441 , G06F3/0446 , H10K50/865 , H10K59/38 , H10K59/40 , G06F2203/04112
Abstract: A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns that cover a part of a front surface of at least one of the plurality of touch electrodes, and a plurality of light-blocking dummy patterns formed on some of the plurality of touch electrodes on which the plurality of code patterns is not formed. Each of the touch electrodes includes at least one portion disposed between adjacent emission areas among the plurality of emission areas. A thickness of the plurality of code patterns is different from a thickness of the light-blocking dummy patterns, and a light-blocking rate of the plurality of code patterns is different from a light-blocking rate of the light-blocking dummy patterns.
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公开(公告)号：US11755155B2
公开(公告)日：2023-09-12
申请号：US17821202
申请日：2022-08-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
CPC classification number: G06F3/0441 , G06F3/0446 , H10K50/865 , H10K59/38 , H10K59/40 , G06F2203/04112
Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.
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公开(公告)号：US12008184B2
公开(公告)日：2024-06-11
申请号：US18178293
申请日：2023-03-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee , Sang Hyun Jun
CPC classification number: G06F3/0412 , G06F3/0446 , H10K59/38 , G06F2203/04112
Abstract: A display device includes a plurality of emission areas that emit light, a plurality of touch electrodes disposed in a light blocking area surrounding the plurality of emission areas, in which the touch electrodes sense a touch, a first insulating layer disposed on the plurality of touch electrodes, and a plurality of light blocking parts disposed on the first insulating layer and overlapping the plurality of touch electrodes. A part of the plurality of light blocking parts includes a code pattern formed by an insertion portion inserted into the first insulating layer and overlapping the plurality of touch electrodes, and another part of the plurality of light blocking parts includes a non-code pattern formed by not having the insertion portion.
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Patent Agency Ranking
公开(公告)号：US11803256B2
公开(公告)日：2023-10-31
申请号：US17698225
申请日：2022-03-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chang Woo Shim , Won Sang Park , Gi Na Yoo , Seong Jun Lee
CPC classification number: G06F3/0321 , G06F3/0412 , G06F3/0446 , H10K50/844 , H10K50/86 , H10K50/865 , H10K59/12 , H10K59/38 , H10K59/40 , G06F2203/04111
Abstract: A display device includes a display layer, a plurality of touch electrodes, a light shield, and a code pattern. The display layer includes a plurality of light emission areas for emitting light. The plurality of touch electrodes are disposed on the display layer to sense a touch and surround the plurality of light emission areas. The light-shield is disposed on a portion of the plurality of touch electrodes. The code pattern is determined by a planar shape of the light-shield to have position information. The light-shield absorbs light of a specific wavelength, and another portion of the touch electrodes, which is not overlapped with the light-shield, reflects light of the specific wavelength.
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公开(公告)号：US20230280871A1
公开(公告)日：2023-09-07
申请号：US18056370
申请日：2022-11-17
Applicant: Samsung Display Co., Ltd.
Inventor： Gi Na YOO , Ju Yeon KIM , Won Sang Park , Chang Woo Shim , Seong Jun LEE
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/0448 , G06F2203/04112 , H01L27/3244
Abstract: A display device includes a pixel having a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of position code patterns covering a partial front surface of at least one of the plurality of touch electrodes in a preset code shape, and a light blocking pattern disposed on front surfaces of the plurality of touch electrodes on which the plurality of position code patterns are not formed. A width or size of the plurality of position code patterns is greater than a width or size of the light blocking pattern.
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公开(公告)号：US11720184B2
公开(公告)日：2023-08-08
申请号：US17703501
申请日：2022-03-24
Applicant: Samsung Display Co., LTD.
Inventor： Gi Na Yoo , Won Sang Park , Chang Woo Shim , Seong Jun Lee
IPC: G06F3/03 , H10K59/40 , H10K59/122 , H10K50/86 , G06F3/0354 , H01L25/16 , G06F3/044 , G06F3/041 , H10K59/38 , H10K59/35
CPC classification number: G06F3/0317 , G06F3/03545 , G06F3/0412 , H01L25/167 , H10K50/86 , H10K59/122 , H10K59/40 , G06F3/044 , G06F3/04162 , G06F2203/04112 , H10K59/35 , H10K59/38
Abstract: A display device includes a thin-film transistor layer disposed on a substrate, the thin-film transistor layer including a thin-film transistor, a light emitting element layer disposed on the thin-film transistor layer, the light emitting element layer including a pixel defining layer defining emission areas, and a pixel electrode disposed in each of the emission areas, a touch electrode disposed on the light emitting element layer, the touch electrode overlapping the pixel defining layer and sensing a touch, and a code pattern defined by a planar shape of the pixel defining layer that is distinguished from the pixel electrode and the touch electrode, the code pattern having position information.
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公开(公告)号：US20230015262A1
公开(公告)日：2023-01-19
申请号：US17652794
申请日：2022-02-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chang Woo Shim , Won Sang Park , Gi Na Yoo , Seong Jun Lee
Abstract: A display panel includes a plurality of emission areas emitting light and a light blocking area at least partially surrounding the plurality of emission areas, a plurality of touch electrodes disposed in the light blocking area on the display panel to sense a touch, a wavelength absorption layer disposed on the plurality of touch electrodes to absorb light of a specific wavelength, a bridge electrode disposed on the wavelength absorption layer to connect adjacent touch electrodes among the plurality of touch electrodes to each other, and a code pattern having position information determined by a planar shape of the bridge electrode.
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公开(公告)号：US11989381B2
公开(公告)日：2024-05-21
申请号：US17935338
申请日：2022-09-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee , Dong Hee Choi
IPC: G06F3/041 , G06F3/044 , H10K59/122 , H10K59/40
CPC classification number: G06F3/0448 , G06F3/0412 , H10K59/122 , H10K59/40 , G06F2203/04112
Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.
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