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    Pressure sensor and display device having the same
    21.
    发明授权
    Pressure sensor and display device having the same 有权

    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.

    Force sensor and display device including the same
    22.
    发明授权
    Force sensor and display device including the same 有权

    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.

    Optical film and a liquid crystal display including the same
    23.
    发明授权
    Optical film and a liquid crystal display including the same 有权

    公开(公告)号：US10656310B2

    公开(公告)日：2020-05-19

    申请号：US16406792

    申请日：2019-05-08

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Seung Hwan Chung ,  Ju Youn Son ,  Joong Hyun Kim ,  Chan Jae Park

    IPC: G02F1/1335 ,  G02B3/00

    Abstract: An optical film is provided. The optical film includes a base film and a cover film. The base film includes a base member and a plurality of lens patterns disposed on the base member. The plurality of lens patterns protrudes from the base member and extends in a first direction. The cover film is disposed on the base film to cover the base member and the plurality of lens patterns. A refractive index of at least one of the lens patterns is smaller than a refractive index of the cover film. An aspect ratio of the at least one of the lens patterns ranges from 0.8 to 1.6.

    DISPLAY DEVICE
    25.
    发明申请
    DISPLAY DEVICE 审中-公开

    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.

    Light guide panel, backlight unit, and liquid crystal display
    26.
    发明授权
    Light guide panel, backlight unit, and liquid crystal display 有权

    公开(公告)号：US10330846B2

    公开(公告)日：2019-06-25

    申请号：US16115914

    申请日：2018-08-29

    Applicant: Samsung Display Co. Ltd.

    Inventor： Se Ki Park ,  Sang Woo Ha ,  Jun Woo You ,  Ha Young Lee ,  Yu Dong Kim ,  Dong Yeol Yeom ,  Seung Hwan Chung

    IPC: F21V8/00

    Abstract: A light guide panel includes a top surface configured to have first and second sides extending in X- and Y-axis directions, respectively, a bottom surface configured to be disposed opposite to the top surface, and includes a base surface, and a plurality of diffusion patterns which is provided to protrude from, or to be recessed into, the base surface, and each of the plurality of diffusion patterns including a first inclined surface which defines a first inclination angle with the base surface and a second inclined surface which adjoins the first inclined surface and defines a second inclination angle with the base surface, and a first side surface and a second side surface configured to be disposed between the top surface and the bottom surface and face each other, where the first inclination angle ranges from about 1.8 degrees to about 5.7 degrees.

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