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公开(公告)号：US20210223888A1
公开(公告)日：2021-07-22
申请号：US17222856
申请日：2021-04-05
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Jang hui KIM , Sang Chul LEE , Ga Young KIM
Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.
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公开(公告)号：US20200311374A1
公开(公告)日：2020-10-01
申请号：US16902149
申请日：2020-06-15
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Young Sik KIM , In Young HAN
IPC: G06K9/00 , H01L27/32 , G09G3/3233 , F21V8/00 , G06F3/041
Abstract: A display device includes a first substrate having light transmitting portions, a plurality of pixels positioned on the first substrate and including light emitting devices, a light sensor layer overlapping the first substrate and including light receiving devices respectively corresponding to the light transmitting portions, and a light guide layer positioned between the display panel and the light sensor layer and including light guide paths respectively corresponding to the light transmitting portions.
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公开(公告)号：US20190095674A1
公开(公告)日：2019-03-28
申请号：US15968646
申请日：2018-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Gwang Bum KO , Do Ik KIM , Seung Hwan CHUNG , Sung Hwan KIM
IPC: G06K9/00 , G02B19/00 , H01L31/153 , H01L27/15 , H01L31/0232
CPC classification number: G06K9/0004 , G02B3/0056 , G02B5/005 , G02B6/0053 , G02B6/0088 , G02B6/08 , G02B19/0009 , H01L27/156 , H01L27/3227 , H01L27/323 , H01L27/3234 , H01L31/02327 , H01L31/153
Abstract: 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.
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公开(公告)号：US20180089491A1
公开(公告)日：2018-03-29
申请号：US15677699
申请日：2017-08-15
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Young Sik KIM , In Young HAN
IPC: G06K9/00 , H01L27/32 , G09G3/3233 , F21V8/00
Abstract: A display device includes a first substrate having light transmitting portions, a plurality of pixels positioned on the first substrate and including light emitting devices, a light sensor layer overlapping the first substrate and including light receiving devices respectively corresponding to the light transmitting portions, and a light guide layer positioned between the display panel and the light sensor layer and including light guide paths respectively corresponding to the light transmitting portions.
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公开(公告)号：US20150295563A1
公开(公告)日：2015-10-15
申请号：US14469805
申请日：2014-08-27
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM
CPC classification number: H03K3/013 , G05F3/267 , H03K3/012 , H03K19/0136 , H03K19/01721 , H04L23/00 , H04L25/0298
Abstract: An interface circuit comprises a first integrated circuit to transmit or receive data, a second integrated circuit connected to the first integrated circuit by a transmission line to transmit or receive data, and a constant current generating circuit connected to the transmission line so as to output a current of a constant magnitude to the transmission line. The constant current generating circuit adjusts the amount of current outputted to the transmission line by sensing a voltage level of the transmission line.
Abstract translation: 接口电路包括用于发送或接收数据的第一集成电路，通过传输线连接到第一集成电路以发送或接收数据的第二集成电路，以及连接到传输线的恒流产生电路，以便输出 传输线的电流恒定。 恒流产生电路通过感测传输线的电压电平来调节输出到传输线的电流量。
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Patent Agency Ranking
公开(公告)号：US20250013327A1
公开(公告)日：2025-01-09
申请号：US18893943
申请日：2024-09-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Do Ik KIM , Ga Young KIM , Sang Hyun LIM , Young Sik KIM , Sang Chul LEE , Hwan Hee JEONG
IPC: G06F3/041 , G06F3/044 , G06F3/047 , G09G3/3208 , H10K59/40
Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
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公开(公告)号：US20220229517A1
公开(公告)日：2022-07-21
申请号：US17713085
申请日：2022-04-04
Applicant: Samsung Display Co, Ltd.
Inventor： Do Ik KIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
Abstract: A touch sensor includes a sensor unit including a plurality of first electrodes in an active area spaced apart from each other, and at least one second electrode, a plurality of sensing channels respectively coupled to one of the first electrodes, and each sensing channel including a reference node having a variable voltage coupled to the at least one second electrode, and a processor configured to receive output signals from the sensing channels, and detect a touch input based on the output signals. The plurality of sensing channels may be configured to supply driving signals to respective first electrodes during a first period, receive sensing signals from respective first electrodes during a second period, and generate the output signals corresponding to the sensing signals received from respective first electrodes based on potentials of the respective reference nodes. A method of driving a touch sensor also is disclosed.
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公开(公告)号：US20210004120A1
公开(公告)日：2021-01-07
申请号：US17026333
申请日：2020-09-21
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Sang Hyun LIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
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公开(公告)号：US20200333910A1
公开(公告)日：2020-10-22
申请号：US16921764
申请日：2020-07-06
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Hak KIM , Do Ik KIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.
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公开(公告)号：US20180329555A1
公开(公告)日：2018-11-15
申请号：US15978355
申请日：2018-05-14
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Ga Young KIM , Sang Hyun LIM , Young Sik KIM , Sang Chul LEE , Hwan Hee JEONG
IPC: G06F3/041 , H01L27/32 , G06F3/044 , G06F3/047 , G09G3/3208
Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
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