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公开(公告)号：US20210026493A1
公开(公告)日：2021-01-28
申请号：US16924078
申请日：2020-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： Chul KIM , Soo Jung LEE , Keum Dong JUNG
IPC: G06F3/044 , H01L27/32 , G06F3/0354 , G06K9/00
Abstract: Provided are a pen sensing unit and a display device. The pen sensing unit comprises a first pen line extending in a first direction; a pen scan line extending in a second direction intersecting the first direction; and a pen sensor member connected to the first pen line and the pen scan line and configured to sense input from a pen, wherein the pen sensor member comprises a pen sensor and a pen sensor circuit connected to a first end of the pen sensor, and the pen sensor circuit comprises a first thin film transistor.
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公开(公告)号：US20150277606A1
公开(公告)日：2015-10-01
申请号：US14630521
申请日：2015-02-24
Applicant: Samsung Display Co., LTD.
Inventor： Chul KIM
IPC: G06F3/041
CPC classification number: G06F3/044 , G06F2203/04103
Abstract: A touch unit includes a touch panel and a touch panel driver. The touch panel includes an active region in which a touch event is sensed and a peripheral region surrounding the active region. The touch panel driver includes a plurality of touch driving chips disposed in the peripheral region and a flexible printed circuit board connecting the touch driving chip to a host.
Abstract translation: 触摸单元包括触摸面板和触摸面板驱动器。 触摸面板包括感测触摸事件的有源区域和围绕有源区域的外围区域。 触摸面板驱动器包括设置在周边区域中的多个触摸驱动芯片和将触摸驱动芯片连接到主机的柔性印刷电路板。
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公开(公告)号：US20240371204A1
公开(公告)日：2024-11-07
申请号：US18582477
申请日：2024-02-20
Applicant: Samsung Display Co., LTD.
Inventor： Chul KIM
IPC: G06V40/40 , A61B5/024 , G06V40/13 , G09G3/3233
Abstract: A display device includes: a plurality of pixels in which at least a first portion of the pixels positioned in a selected area are configured to emit light in a sensing pattern; and a plurality of light sensors configured to generate sensing signals corresponding to a received light amount, wherein the selected area comprises a first area and a second area, and wherein in a first mode, a second portion of pixels positioned in the first area are configured to emit light in the sensing pattern, and to generate first sensing information using sensing signals generated by light sensors positioned in the second area, which does not overlap the first area.
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公开(公告)号：US20240370122A1
公开(公告)日：2024-11-07
申请号：US18532001
申请日：2023-12-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul KIM
Abstract: A display device including: display pixels arranged in a display area of a display panel; light sensing pixels arranged in the display area; a display scan driver configured to drive the display pixels to emit light; a light sensing scan driver configured to drive the light sensing pixels to sense light; and a main driving circuit configured to measure a plurality of biometric information using light sensing signals received from touch positions of different body parts, wherein the main driving circuit displays an application program screen to guide a detection process of biometric signals with respect to the different body parts, and selects at least one biometric information among the plurality of biometric information that was measured by analyzing the biometric signals as a final measurement result according to a preset condition and displays the final measurement result on the application program screen.
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公开(公告)号：US20240057879A1
公开(公告)日：2024-02-22
申请号：US18192354
申请日：2023-03-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul KIM
CPC classification number: A61B5/02116 , A61B5/02225
Abstract: A blood pressure measurement system includes a display device; and a pressure measurement device applying a pressure to a user's body according to a pressure control signal and sensing a pressure measurement value. The display device includes a pixel emitting light; a photo-sensor sensing external light and outputting a first pulse wave signal based on the external light; and a main processor, wherein the main processor receives the first pulse wave signal, outputs the pressure control signal to the pressure measurement device, receives a first pressure signal including the pressure measurement value from the pressure measurement device, and calculates a blood pressure based on the first pulse wave signal.
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Patent Agency Ranking
公开(公告)号：US20240029658A1
公开(公告)日：2024-01-25
申请号：US18109330
申请日：2023-02-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul KIM
IPC: G09G3/3266 , G09G3/3233 , G09G3/20
CPC classification number: G09G3/3266 , G09G3/3233 , G09G3/2096 , G09G2300/0842 , G09G2300/0819 , G09G2310/08 , G09G2310/0202 , G09G2300/0426 , G09G2360/14 , G09G2380/08 , G09G2310/0291
Abstract: A display device including: a display panel including scan write lines, sensing lines, pixels respectively connected to the scan write lines, and optical sensors respectively connected to the scan write lines and the sensing lines; a scan driver configured to sequentially output scan write signals to the scan write lines in response to a scan control signal; a read-out circuit configured to receive light sensing signals of the optical sensors from the sensing lines in response to a first sampling signal; and a timing controller configured to control the scan driver and the read-out circuit, wherein an interval between pulses of the first sampling signal has a first horizontal period, and an interval between pulses of each of the scan write signals has a second horizontal period.
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公开(公告)号：US20240000389A1
公开(公告)日：2024-01-04
申请号：US18170647
申请日：2023-02-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul KIM
IPC: A61B5/00 , A61B5/021 , A61B5/024 , G06F3/041 , G09G3/3233
CPC classification number: A61B5/6898 , A61B5/02108 , A61B5/02416 , G06F3/0416 , G09G3/3233 , G09G2380/08 , G09G2354/00 , G09G2300/0842
Abstract: A display device includes display pixels having light emitting elements arranged in a display area of a display panel and pixel drivers connected to the light emitting elements, light sensing pixels having light sensing elements arranged in the display area and sensing drivers connected to the light sensing elements, a display scan driver configured to sequentially supply display scan signals to the pixel drivers, a light sensing driver configured to sequentially supply sensing scan signals to the sensing drivers, a blood pressure detection circuit configured to measure a blood pressure of a user using light sensing signals received from the sensing drivers, and a display driving circuit configured to supply control signals to the display scan driver and the light sensing driver to control a light sensing signal detection timing of the light sensing pixels when a mode of the display device is switched to a blood pressure measurement mode.
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公开(公告)号：US20230397885A1
公开(公告)日：2023-12-14
申请号：US18152640
申请日：2023-01-10
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul KIM , Kang Bin JO
IPC: A61B5/00 , G09G3/3233 , G06F3/041 , A61B5/021 , A61B5/024
CPC classification number: A61B5/6898 , G09G3/3233 , G06F3/0416 , G06F3/0414 , A61B5/02108 , A61B5/02416 , G09G2300/0842 , G09G2300/0819 , G09G2360/14 , G09G2310/0213 , G09G2354/00 , G09G2380/08 , G09G2310/08 , G06F3/0412 , G09G3/2007
Abstract: A display device includes display pixels arranged in a display area of a display panel, light-sensing pixels arranged alternately with the display pixels in the display area, light-sensing scan lines, each divided into at least two horizontal lines disposed adjacent to each other and connected to light-sensing pixels disposed proximate to the at least two horizontal lines, a display scan driver configured to sequentially supply display scan signals to display pixels connected to each horizontal line through display scan lines corresponding to each horizontal line, a blood-pressure detecting circuit configured to measure a user's blood pressure using light-sensing signals input through the light-sensing pixels, and a display driving circuit configured to control a timing at which the display scan signals are supplied to the display scan lines and a timing at which sensing scan signals are supplied to the light-sensing scan lines.
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公开(公告)号：US20220057911A1
公开(公告)日：2022-02-24
申请号：US17219608
申请日：2021-03-31
Applicant: Samsung Display Co., Ltd.
Inventor： Yun-Ho KIM , Chul KIM , Jaeuk CHOI
IPC: G06F3/041 , H01L27/32 , H01L25/18 , G06F3/044 , G06F3/0354
Abstract: An electronic device includes: a sensor layer having an active area and a peripheral area; a driving chip electrically connected to the sensor layer, wherein the sensor layer comprises a plurality of sensing units on the active area and a plurality of lines on the peripheral area and respectively electrically connected to the plurality of sensing units, each of the plurality of sensing units comprises a plurality of sub sensing units, the plurality of sub sensing units comprise a first sub sensing unit and a second sub sensing unit, the plurality of lines comprise a first line electrically connected to the first sub sensing unit and a second line electrically connected to the second sub sensing unit, and the plurality of switches comprises a first switch connected between the first line and the second line and a second switch connected between the first line and the driving chip.
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公开(公告)号：US20210397326A1
公开(公告)日：2021-12-23
申请号：US17249726
申请日：2021-03-10
Applicant: Samsung Display Co., Ltd.
Inventor： Yun-Ho KIM , Chul KIM , Jaeuk CHOI
Abstract: An electronic device includes: a display layer; a display driver configured to generate a horizontal synchronization signal and a vertical synchronization signal for driving the display layer; a sensor layer on the display layer; and a sensor driver configured to receive the horizontal synchronization signal and the vertical synchronization signal from the display driver, and to operate, based on the horizontal synchronization signal and the vertical synchronization signal, in a first mode in which a first input generated by an active pen is detected or a second mode in which a second input generated by a touch is detected.
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