公开(公告)号：US20220365622A1

公开(公告)日：2022-11-17

申请号：US17816302

申请日：2022-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeuk CHOI ,  Yun-Ho KIM ,  Chul KIM ,  Hye-Seok NA ,  Soojung LEE

IPC: G06F3/044

Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.

公开(公告)号：US20190050106A1

公开(公告)日：2019-02-14

申请号：US16163301

申请日：2018-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Kangwon LEE ,  Incheol KIM ,  Ung CHOI ,  Won-ki HONG ,  Seungho NAM ,  Jihong PARK ,  Chul KIM ,  Hojin BYUN ,  Kiseok CHA

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20

Abstract: A display device includes a display panel and a touch panel. The touch panel calculates coordinate information of an input position by an electrostatic capacitive method in a first mode and calculates the coordinate information of the input position by an electromagnetic induction method in a second mode. The touch panel includes scan line groups and source line groups, which are operated as touch electrodes or touch coils on the basis of the operating mode thereof. In addition, the touch panel includes touch electrodes and touch coils, which are individually operated on the basis of the operating mode thereof.

公开(公告)号：US20170185219A1

公开(公告)日：2017-06-29

申请号：US15393015

申请日：2016-12-28

Applicant: Samsung Display Co., Ltd

Inventor： Chul KIM

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F2203/04102 ,  G06F2203/04803

Abstract: A touch screen display device includes a touch panel including a first area having first driving electrodes and first sensing electrodes and a second area having second driving electrodes and second sensing electrodes, a driving unit applying driving signals to the first driving electrodes and the second driving electrodes, and a sensing unit receiving sensing signals generated by the applying of the driving signals through the first sensing electrodes and the second sensing electrodes, wherein the first area and the second area are electrically insulated from each other.

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.

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

IPC: G06F3/042 ,  A61B5/02 ,  A61B5/021 ,  A61B5/024 ,  A61B5/026 ,  G06F9/451 ,  G06T11/20

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.

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

IPC: A61B5/021 ,  A61B5/022

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.

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.

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.

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.

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.