公开(公告)号：US20220157220A1

公开(公告)日：2022-05-19

申请号：US17382211

申请日：2021-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： A Ra JO ,  Kang Hee LEE

IPC: G09G3/20

Abstract: A display device includes a display area including a plurality of pixels; a low-grayscale dithering controller selecting a dither grayscale according to an input grayscale of input image data that is in a low grayscale range below a threshold grayscale, and generating dithered input image data by performing a dithering operation on the input image data of the low grayscale range based on the dither grayscale; and a display driver driving the plurality of pixels based on the dithered input image data.

公开(公告)号：US20200319735A1

公开(公告)日：2020-10-08

申请号：US16835784

申请日：2020-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui KIM ,  Ga Young KIM ,  Do Ik KIM ,  Sang Chul LEE ,  A Ra JO

IPC: G06F3/045

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：US20180011361A1

公开(公告)日：2018-01-11

申请号：US15642917

申请日：2017-07-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yeon Tae KIM ,  A Ra JO

IPC: G02F1/1333 ,  G02F1/17 ,  G02F1/1335

CPC classification number: G02F1/13336 ,  G02F1/133308 ,  G02F1/178 ,  G02F2001/133354 ,  G02F2001/133545 ,  G06F3/0414 ,  G06F3/0418 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04105

Abstract: A display device includes a display panel including a first area and a second area surrounding the first area, a plurality of pressure sensors disposed on the display panel, a dielectric layer disposed on the plurality of pressure sensors, and a bracket accommodating the display panel, the plurality of pressure sensors, and the dielectric layer. The dielectric layer forms a capacitance between the plurality of pressure sensors and the bracket. A first capacitance corresponding to the first area is smaller than a second capacitance corresponding to the second area.

公开(公告)号：US20160026315A1

公开(公告)日：2016-01-28

申请号：US14738654

申请日：2015-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Woo CHOI ,  Sang Hyun LIM ,  Chang Sub JUNG ,  A Ra JO ,  Eun Gil CHOI

IPC: G06F3/041 ,  G06F3/045 ,  G06F1/16 ,  G06F3/044

CPC classification number: G06F3/0414 ,  G06F3/044 ,  G06F2203/04105 ,  G06F2203/04111

Abstract: A display device includes: a display panel including an upper electrode and an encapsulation layer provided on the upper electrode; a touch panel including a first touch electrode and a second touch electrode each facing the upper electrode and positioned between the display panel and a cover window covering the display panel, the first touch electrode being separated from the second touch electrode; an elastic layer provided on the display panel and deforming in response to an applied pressure from a touch; and a touch sensor programmed to detect an applied pressure from a change in gaps between the first and second touch electrodes and the upper electrode due to the applied pressure, and to detect a capacitance between the first touch electrode and the second touch electrode caused by the touch, so as to sense a position of the touch.

Abstract translation: 显示装置包括：显示面板，包括上电极和设置在上电极上的封装层; 触摸面板，包括第一触摸电极和第二触摸电极，每个触摸电极和第二触摸电极面对上部电极并且位于显示面板和覆盖显示面板的覆盖窗口之间，第一触摸电极与第二触摸电极分离; 设置在所述显示面板上的弹性层，并且响应于来自触摸的施加的压力而变形; 以及触摸传感器，被编程为根据施加的压力从第一和第二触摸电极与上部电极之间的间隙的变化中检测施加的压力，并且检测由第一触摸电极和第二触摸电极引起的电容 触摸，以感测触摸的位置。

公开(公告)号：US20180067608A1

公开(公告)日：2018-03-08

申请号：US15696510

申请日：2017-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Hyun LIM ,  Chang Sub JUNG ,  A Ra JO ,  Jae Woo CHOI

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/03545 ,  G06F3/044 ,  G06F2203/04104

Abstract: A stylus pen includes: a conductor; a housing surrounding at least one portion of the conductor, the housing having an insulating property; a pen tip disposed at one end of the housing, the pen tip having conductivity; and a contact member in contact with at least one of the conductor and the pen tip, wherein the conductor and the pen tip are electrically shorted or opened by the contact member.

公开(公告)号：US20160209958A1

公开(公告)日：2016-07-21

申请号：US14935892

申请日：2015-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Woo CHOI ,  Chang Sub JUNG ,  Eun Gil CHOI ,  Sang Hyun LIM ,  A Ra JO

IPC: G06F3/044 ,  G06F3/0354 ,  G06F3/0488 ,  G06F3/041

Abstract: A touch panel includes a touch electrode configured to receive a sensing input signal, a display panel, the touch electrode being disposed thereon, and a protective layer disposed between the touch electrode and the display panel, the protective layer configured to receive a protective layer driving signal.

Abstract translation: 触摸面板包括配置为接收感测输入信号的触摸电极，设置在其上的触摸电极的显示面板和设置在触摸电极和显示面板之间的保护层，保护层被配置为接收保护层驱动 信号。

公开(公告)号：US20210278930A1

公开(公告)日：2021-09-09

申请号：US17188481

申请日：2021-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hul KIM ,  Ga Young KIM ,  A Ra JO

IPC: G06F3/044 ,  G06F3/041

Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.

公开(公告)号：US20210149517A1

公开(公告)日：2021-05-20

申请号：US17161576

申请日：2021-01-28

Applicant: Samsung Display Co., Ltd.

Inventor： Ga Young KIM ,  Jang Hui KIM ,  A Ra JO

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/045

Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.

公开(公告)号：US20180018029A1

公开(公告)日：2018-01-18

申请号：US15647110

申请日：2017-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Hyun LIM ,  Chang Sub JUNG ,  A Ra JO ,  Jae Woo CHOI

IPC: G06F3/038 ,  G06F3/041 ,  G06F3/0354 ,  G06F3/044

CPC classification number: G06F3/0383 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: A touch screen apparatus includes: an active area and a non-active area outside the active area; first sensing electrodes arranged along a first direction in the active area; second sensing electrodes arranged along a second direction intersecting the first direction in the active area, the second sensing electrodes being insulated from the first sensing electrodes; and at least one additional sensing electrode separated from the first and second sensing electrodes, the at least one additional sensing electrode being located in the non-active area.

公开(公告)号：US20220326813A1

公开(公告)日：2022-10-13

申请号：US17850892

申请日：2022-06-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Choon Hyop LEE ,  Kang Won LEE ,  Ga Young KIM ,  Jang Hui KIM ,  A Ra JO

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32

Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.