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公开(公告)号：US10748973B2
公开(公告)日：2020-08-18
申请号：US15783101
申请日：2017-10-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Junghoon Han , Jihoon Kim , Daeseung Mun
IPC: H01L27/32 , G09G3/3225 , H01L51/52 , H01L51/00
Abstract: A display device includes a display panel including a lower surface, an upper surface facing the lower surface, and a first area, a first film positioned below the lower surface and provided with a film groove defined therein overlapping with the first area, a second film disposed on the upper surface, and an adhesive layer disposed between the lower surface of the display panel and the first film and provided with an adhesive groove defined therein overlapping with the first area. The first area extends across the display panel along a first direction, one side surface of the adhesive groove is defined by one line when viewed in a cross section taken along a second direction crossing the first direction, and one side surface of the film groove is defined by two or more lines when viewed in the cross section taken along the second direction.
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公开(公告)号：US10091884B2
公开(公告)日：2018-10-02
申请号：US15230374
申请日：2016-08-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jihoon Kim , Yongmin Kim
Abstract: A display device includes a display panel, a printed circuit board under the display panel and having one surface on which a driving chip is mounted, a first reinforcing member between the display panel and the printed circuit board, and a second reinforcing member under the printed circuit board, configured to face the printed circuit board having the driving chip therebetween, the second reinforcing member having a recessed groove in one surface facing the driving chip and the driving chip being in the recessed groove.
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公开(公告)号：US12193306B2
公开(公告)日：2025-01-07
申请号：US17582311
申请日：2022-01-24
Applicant: Samsung Display Co., Ltd.
Inventor： Sanghun Park , Jihoon Kim , Yongsub So
IPC: H10K59/40 , G06F3/041 , G06F3/044 , H10K50/844 , H10K59/131
Abstract: A display device includes a display panel configured to display an image. The display panel includes an electrode layer. An input sensing layer is disposed on the display panel. The input sensing layer includes a plurality of sensing electrodes including a first sensing electrode and a second sensing electrode. A plurality of signal lines is electrically connected to the plurality of sensing electrodes. The plurality of signal lines includes a first signal line electrically connected to the first sensing electrode and a second signal line electrically connected to the second sensing electrode. The first signal line has a length different from a length of the second signal line. A distance between the first signal line and the electrode layer is different from a distance between the second signal line and the electrode layer.
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Patent Agency Ranking
公开(公告)号：US11681391B2
公开(公告)日：2023-06-20
申请号：US17401695
申请日：2021-08-13
Applicant: Samsung Display Co., Ltd.
Inventor： Il Ho Lee , Sanghun Park , Jihoon Kim , Yongsub So
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0446
Abstract: A display device includes a display panel configured to display an image, an input sensor disposed on the display panel to sense an input and including a first area and a second area, and a sensor controller connected to the input sensor. The input sensor includes first sensing electrodes disposed in the first area, second sensing electrodes disposed in the second area, and a boundary sensing electrode disposed to overlap a boundary between the first and second areas. The boundary sensing electrode forms a mutual capacitor with one or more of the first sensing electrodes that are adjacent to the boundary sensing electrode, and forms a mutual capacitor with one or more of the second sensing electrodes that are adjacent to the boundary sensing electrode.
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公开(公告)号：US11244590B2
公开(公告)日：2022-02-08
申请号：US16400749
申请日：2019-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Hun-Bae Kim , Yong-Gu Kang , Jihoon Kim
Abstract: A gamma voltage generator included in a display device includes a gamma reference voltage storage block configured to store gamma reference voltage values at reference gray levels, an additional offset storage block configured to store additional offset values for the gamma reference voltage values at the reference gray levels, an additional offset setting block configured to store gamma select information representing whether the additional offset values are to be applied or not, a gamma reference voltage calculation block configured to generate final gamma reference voltage values by selectively adding the additional offset values to the gamma reference voltage values depending on the gamma select information, and a gamma reference voltage generation block configured to generate gamma reference voltages corresponding to the final gamma reference voltage values.
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公开(公告)号：US11094259B2
公开(公告)日：2021-08-17
申请号：US16388785
申请日：2019-04-18
Applicant: Samsung Display Co., Ltd.
Inventor： Hun-Bae Kim , Hyun-Suk Kang , Jihoon Kim
IPC: G09G3/3258 , G09G3/3291
Abstract: A display device includes a display panel includes a plurality of pixels driven by a first power voltage and a second power voltage. A display panel driving circuit is configured to receive image data from an external device, output a first voltage control signal for generating an analog supply voltage based on an on-pixel ratio (OPR) of the image data, and output a second voltage control signal for generating the first power voltage and the second power voltage. A DC-DC conversion circuit is configured to generate the analog supply voltage based on the first voltage control signal and generate the first power voltage and the second power voltage based on the second voltage control signal.
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公开(公告)号：US20180151644A1
公开(公告)日：2018-05-31
申请号：US15783101
申请日：2017-10-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Junghoon Han , Jihoon Kim , Daeseung Mun
IPC: H01L27/32 , H01L51/00 , H01L51/52 , G09G3/3225
Abstract: A display device includes a display panel including a lower surface, an upper surface facing the lower surface, and a first area, a first film positioned below the lower surface and provided with a film groove defined therein overlapping with the first area, a second film disposed on the upper surface, and an adhesive layer disposed between the lower surface of the display panel and the first film and provided with an adhesive groove defined therein overlapping with the first area. The first area extends across the display panel along a first direction, one side surface of the adhesive groove is defined by one line when viewed in a cross section taken along a second direction crossing the first direction, and one side surface of the film groove is defined by two or more lines when viewed in the cross section taken along the second direction.
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公开(公告)号：US20170142837A1
公开(公告)日：2017-05-18
申请号：US15230374
申请日：2016-08-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jihoon Kim , Yongmin Kim
CPC classification number: H05K1/181 , G06F1/16 , H01L27/32 , H01L51/5237 , H01L51/529 , H04M1/02 , H04M1/0266 , H04M1/0277 , H04M1/185 , H05K1/0271 , H05K1/0274 , H05K1/147 , H05K1/148 , H05K1/189 , H05K7/20963 , H05K2201/0323 , H05K2201/10128 , H05K2201/2009 , H05K2203/1316
Abstract: A display device includes a display panel, a printed circuit board under the display panel and having one surface on which a driving chip is mounted, a first reinforcing member between the display panel and the printed circuit board, and a second reinforcing member under the printed circuit board, configured to face the printed circuit board having the driving chip therebetween, the second reinforcing member having a recessed groove in one surface facing the driving chip and the driving chip being in the recessed groove.
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