公开(公告)号：US20210351254A1

公开(公告)日：2021-11-11

申请号：US17191990

申请日：2021-03-04

Applicant: Samsung Display Co., Ltd. ,  Postech Research and Business Development Foundation

Inventor： JIWON LEE ,  SUJUNG HUH ,  Joon Hak OH ,  Yoon Ho LEE ,  JIYEON SEO ,  YOUNGSANG HA

IPC: H01L27/32 ,  G02B1/111 ,  G02B1/04 ,  G02B3/00 ,  B32B9/04

Abstract: A display device includes a display panel which contains an LED which emits light, a first layer containing a porous polymer and disposed on the display panel, a second layer containing a metal halide and disposed on the first layer, and a lenticular lens disposed on the display panel, where the first layer has a first refractive index and the second layer has a second refractive index less than the first refractive index.

公开(公告)号：US20210041954A1

公开(公告)日：2021-02-11

申请号：US16915891

申请日：2020-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Hak OH ,  Jae Been Lee ,  Byeong Hee Won

IPC: G06F3/01 ,  H02N2/00

Abstract: A display device includes a display panel, a main vibrator disposed on the display panel configured to generate a main vibration wave, and a plurality of sub-vibrators disposed on the display panel and spaced apart from the main vibrator and configured to the plurality of sub-vibrators configured to generate sub-vibration waves, respectively, wherein the plurality of sub-vibrators includes a first sub-vibrator disposed at a first distance from the main vibrator in a plan view, the first sub-vibrator being configured to generate a first sub-vibration wave; and a second sub-vibrator disposed at a second distance from the main vibrator in the plan view, the second sub-vibrator being configured to generate a second sub-vibration wave having a phase different from the first sub-vibration wave, and, wherein the second distance is different from the first distance.

公开(公告)号：US20200296493A1

公开(公告)日：2020-09-17

申请号：US16732692

申请日：2020-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Byeong Hee WON ,  Joon Hak OH

IPC: H04R1/02 ,  H04M1/02 ,  H04M1/03 ,  H04R3/00 ,  H04R1/28

Abstract: A display device includes: a display panel; a bracket disposed under the display panel; a first vibration generator disposed under the display panel, where the first vibration generator outputs sound by vibrating the display panel in a thickness direction of the display panel; and a second vibration generator disposed under the bracket, where the second vibration generator outputs horizontal vibrations by vibrating the bracket in a horizontal direction perpendicular to the thickness direction.

公开(公告)号：US20200241642A1

公开(公告)日：2020-07-30

申请号：US16688837

申请日：2019-11-19

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Hak OH ,  Jae Been LEE ,  Byeong Hee WON

IPC: G06F3/01 ,  H01L41/113 ,  H01L41/193 ,  H01L41/047 ,  H01L27/20 ,  H01L27/32 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a display panel, and a plurality of piezoelectric elements arranged on one surface of the display panel, wherein each of the plurality of piezoelectric elements includes a pressure sensor configured to detect pressure applied to a surface opposite to the one surface of the display panel, and a haptic device configured to generate vibration according to a driving voltage.

公开(公告)号：US20170139518A1

公开(公告)日：2017-05-18

申请号：US15354189

申请日：2016-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Hak OH ,  Jong Seo LEE

IPC: G06F3/041 ,  G06F3/047 ,  H01L41/29 ,  H01L27/12 ,  H01L41/113

CPC classification number: G06F3/0414 ,  G06F3/0416 ,  G06F3/047 ,  G06F2203/04103 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1259 ,  H01L41/1132 ,  H01L41/29

Abstract: There is provided a pixel. The pixel includes a pixel transistor including a gate electrode provided on a substrate and protruding from a scan line, an active pattern provided on the gate electrode, a first electrode provided on the active pattern, and a second electrode provided on the active pattern and protruding from a data line and a piezoelectric sensor including a first touch electrode provided on the substrate and a piezoelectric pattern provided on the first touch electrode. The gate electrode and the first touch electrode are formed of a same material. The active pattern and the piezoelectric pattern are formed of a same material.