公开(公告)号：US11768571B2

公开(公告)日：2023-09-26

申请号：US17546992

申请日：2021-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui Kim ,  Ga Young Kim ,  Do Ik Kim ,  Sang Chul Lee ,  A Ra Jo

IPC: G06F3/045

CPC classification number: G06F3/045 ,  G06F2203/04105

Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.

公开(公告)号：US11640211B2

公开(公告)日：2023-05-02

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

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3225

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.

公开(公告)号：US20220155895A1

公开(公告)日：2022-05-19

申请号：US17532918

申请日：2021-11-22

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 ,  G09G3/3208 ,  G06F3/047 ,  H01L27/32 ,  G06F3/044

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.

公开(公告)号：US11086427B2

公开(公告)日：2021-08-10

申请号：US16414741

申请日：2019-05-16

Applicant: Samsung Display Co., Ltd.

Inventor： Choon Hyop Lee ,  Kang Won Lee ,  Sang Chul Lee ,  Seung Hwan Chung

IPC: G06F3/041

Abstract: A pressure sensor includes a first substrate and a second substrate; a first driving electrode and a second driving electrode disposed on a first surface of the first substrate facing the second substrate and coupled to a first coupling electrode, the second driving electrode being shorter than the first driving electrode; a first sensing electrode and a second sensing electrode disposed on the first surface of the first substrate and coupled to a second coupling electrode, the second sensing electrode being shorter than the first sensing electrode; a first pressure sensing layer disposed on a first surface of the second substrate in a position facing the first substrate and overlapping and spaced from the first driving electrode and the first sensing electrode by a gap; and a second pressure sensing layer contacting with the second driving electrode and the second sensing electrode and electrically coupling the second driving electrode and the second sensing electrode to each other.

公开(公告)号：US11068099B2

公开(公告)日：2021-07-20

申请号：US16889079

申请日：2020-06-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Hak Kim ,  Do Ik Kim ,  Young Sik Kim ,  Sang Chul Lee

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/047 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/20

Abstract: A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.

公开(公告)号：US10908756B2

公开(公告)日：2021-02-02

申请号：US16217960

申请日：2018-12-12

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Won Lee ,  Choon Hyop Lee ,  Seung Hwan Chung ,  Sang Chul Lee

IPC: G06F3/045

Abstract: A force sensor, includes: a first substrate and a second substrate; a first driving electrode, a second driving electrode, a first sensing electrode, and a second sensing electrode on one surface of the first substrate facing the second substrate; a first force sensing layer on one surface of the second substrate facing the first substrate; and a second force sensing layer contacting the second driving electrode and the second sensing electrode, wherein the first force sensing layer overlaps the first driving electrode and the first sensing electrode, and gaps exist between the first force sensing layer and the first driving electrode and between the first force sensing layer and the first sensing electrode.

公开(公告)号：US10782826B2

公开(公告)日：2020-09-22

申请号：US16446717

申请日：2019-06-20

Applicant: Samsung Display Co., Ltd.

Inventor： Do Ik Kim ,  Sang Hyun Lim ,  Ga Young Kim ,  Young Sik Kim ,  Sang Chul Lee

IPC: G06F3/041 ,  G06F3/044

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.

公开(公告)号：US20190332218A1

公开(公告)日：2019-10-31

申请号：US16361153

申请日：2019-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Won Lee ,  Sang Chul Lee ,  Seung Hwan Chung ,  Young Sik Kim ,  Choon Hyop Lee ,  Yeon Sung Jung

IPC: G06F3/041

Abstract: A display device includes: a display panel including a display area in which an image is displayed and a non-display area surrounding the display area; an input sensor disposed on the display panel; and a pressure sensor sensing a pressure, wherein the input sensor includes a sensing base substrate extending in a first extending direction, the sensing base substrate including a first bending area bent along an outer edge of the sensing base substrate, wherein the pressure sensor is disposed on the first bending area of the sensing base substrate, and overlaps with the display area.

公开(公告)号：US20190235678A1

公开(公告)日：2019-08-01

申请号：US16163116

申请日：2018-10-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Ik Kim ,  Gwang Bum Ko ,  Jung Hak Kim ,  Sang Chul Lee ,  Ga Young Kim

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

Abstract: There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.

公开(公告)号：US10215332B2

公开(公告)日：2019-02-26

申请号：US14869878

申请日：2015-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Wol Lee ,  Man Sik Myeong ,  Sang Il Park ,  Sang Wook Lee ,  Sang Chul Lee

IPC: F16M13/00 ,  G06F1/16 ,  F16M11/38

Abstract: An apparatus for supporting a display panel includes: first and second supports configured to support the display panel, the first and second supports being rotatable about a rotation axis; a first frame coupled to a side of the first support and configured to be rotated with the first support; and a second frame coupled to a side of the second support and configured to be rotated with the second support, wherein the first support includes a first supporting pin having ends coupled to the first frame and being parallel to the rotation axis, and first and second support plates at opposite sides of the first supporting pin, wherein the first supporting plate is pivotably coupled to the first supporting pin.