公开(公告)号：US11381895B2

公开(公告)日：2022-07-05

申请号：US17070527

申请日：2020-10-14

Applicant: Samsung Display Co., LTD.

Inventor： Young Seok Seo ,  Jung Hun Noh ,  Seung Lyong Bok ,  Yi Joon Ahn ,  Sun Mi Yu ,  Jin Oh Kwag

IPC: G06F3/044 ,  H04R1/02 ,  H04R3/00 ,  H01L27/32 ,  H01L51/52 ,  G06F3/041 ,  G09G3/3266 ,  G09G3/3233 ,  G06V40/13

Abstract: A display device includes a display panel including a display layer including light-emitting elements disposed on a substrate, and a sensor electrode layer disposed on the display layer. The sensor electrode layer includes a first sound electrode and a second sound electrode; a vibration layer electrically contacting the first sound electrode and the second sound electrode and being deformed in response to a first sound driving voltage applied to the first sound electrode and a second sound driving voltage applied to the second sound electrode; and sensor electrodes disposed on the vibration layer. The sensor electrodes sense an input.

公开(公告)号：US11113499B2

公开(公告)日：2021-09-07

申请号：US16545180

申请日：2019-08-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keum Dong Jung ,  Il Nam Kim ,  Kyung Tea Park ,  Jin Oh Kwag ,  Won Sang Park ,  Sung Chan Jo

IPC: G06K9/00

Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.

公开(公告)号：US20210055826A1

公开(公告)日：2021-02-25

申请号：US16997871

申请日：2020-08-19

Applicant: Samsung Display Co., LTD.

Inventor： Won Sang PARK ,  Jin Oh Kwag ,  II Nam Kim ,  Ji Hun Ryu ,  Seung Hyun Moon ,  Bong Hyun You ,  Jong Hyun Lee ,  Hee Chul Hwang

IPC: G06F3/042 ,  G06K9/00 ,  G06F21/32

Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.

公开(公告)号：US20200292824A1

公开(公告)日：2020-09-17

申请号：US16815230

申请日：2020-03-11

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Sup Lee ,  Jin Oh Kwag ,  Jae Joong Kwon ,  Ju Hwa Ha

IPC: G02B27/01 ,  G02B26/08

Abstract: An optical device is disclosed. The optical device includes a first lens having a first surface and a plurality of side surfaces; a first display device disposed on a first side surface of the side surfaces of the first lens; and a first active mirror disposed in the first lens. The first active mirror is tilted at a first angle during a first period and is tilted at a second angle during a second period.