公开(公告)号：US20180204035A1

公开(公告)日：2018-07-19

申请号：US15819038

申请日：2017-11-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungwoo Kim ,  Hoon Song ,  Hongseok Lee

IPC: G06K9/00 ,  G06F3/042

CPC classification number: G06K9/001 ,  G06F3/0416 ,  G06F3/042 ,  G06F3/0421 ,  G06F3/0428 ,  G06F3/044 ,  G06F2203/04106 ,  G06F2203/04109 ,  G06K9/0002 ,  G06K9/0004

Abstract: An apparatus and method for recognizing a fingerprint are provided. The apparatus includes a display device including a plurality of pixels configured to be turned on and off based on an image signal, a transparent cover disposed on the display device, the transparent cover including a touch surface through which a touch of a user is input, and a touch sensor configured to recognize a location of the touch through the touch surface. The apparatus further includes a fingerprint sensor configured to detect light that is reflected from the touch surface, based on the fingerprint of the user inputting the touch, and generate a signal, based on the light, and a controller configured to generate the image signal to turn on pixels corresponding to the location among the plurality of pixels, and determine a fingerprint profile of the fingerprint, based on the signal generated by the fingerprint sensor.

公开(公告)号：US09869969B2

公开(公告)日：2018-01-16

申请号：US14682548

申请日：2015-04-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoon Song ,  Geeyoung Sung ,  Kanghee Won ,  Hongseok Lee

IPC: G02F1/29 ,  G03H1/02 ,  G02B26/00 ,  G03H1/22 ,  G02B5/06 ,  G02B26/08 ,  G02F1/1333

CPC classification number: G03H1/02 ,  G02B5/06 ,  G02B26/005 ,  G02B26/0883 ,  G02B27/2271 ,  G02F1/133371 ,  G02F1/292 ,  G03H1/2286 ,  G03H1/2294 ,  G03H2001/0216 ,  G03H2001/221 ,  G03H2001/2292 ,  G03H2223/18 ,  G03H2227/03

Abstract: A holographic display includes: a light source; at least one beam steerer configured to control a propagation direction of a beam emitted from the light source; an optical element configured to condense a beam passing through the at least one beam steerer; and a spatial light modulator configured to form a three-dimensional (3D) image by modulating a beam passing through the at least one beam steerer.

公开(公告)号：US09696687B2

公开(公告)日：2017-07-04

申请号：US14561760

申请日：2014-12-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Geeyoung Sung ,  Hoon Song ,  Jungkwuen An ,  Kanghee Won ,  Hongseok Lee

IPC: G03H1/22 ,  G02B27/22 ,  G02B5/32 ,  G02B5/04 ,  G03H1/02

CPC classification number: G03H1/2294 ,  G02B5/045 ,  G02B5/32 ,  G02B27/2214 ,  G02B27/2242 ,  G02B27/2264 ,  G03H2001/0224 ,  G03H2223/18 ,  G03H2223/19 ,  G03H2225/33 ,  G03H2225/55

Abstract: Provided are a complex spatial light modulator and a three-dimensional (3D) image display apparatus. The complex spatial light modulator includes a spatial light modulator configured to modulate a phase of light, a first prism array which is disposed after the spatial light modulator along a path of the light, and including prism units each having a first prism surface and a second prism surface, and a hologram optical device configured to diffract the light that has passed through the first prism array independently from a polarization of the light, where the first prism array and the hologram optical device are configured to modulate the phase and an amplitude of the light.

公开(公告)号：US12181674B2

公开(公告)日：2024-12-31

申请号：US17526764

申请日：2021-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changkun Lee ,  Seokil Moon ,  Geeyoung Sung ,  Hongseok Lee ,  Jong-Young Hong

IPC: G02B27/10 ,  F21V8/00 ,  G02B27/00 ,  G02B27/01

Abstract: A foveated display apparatus includes a first display panel configured to form a two-dimensional (2D) image; a second display panel configured to form a hologram image comprising a three-dimensional (3D) image; a light guide plate configured to transmit the 2D image at a first angle of view to an eye of a user; and a holographic optical element configured to transmit the hologram image at a second angle of view to the eye of the user, the second angle of view being smaller than the first angle of view.

公开(公告)号：US12169945B2

公开(公告)日：2024-12-17

申请号：US17690219

申请日：2022-03-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Zhihua Liu ,  Hongseok Lee ,  Qiang Wang ,  Yuntae Kim ,  Kuan Ma

IPC: G06T7/73 ,  G06V10/42 ,  G06V10/44 ,  G06V10/74

Abstract: The present disclosure relates to the field of artificial intelligence technology, and to a method of estimating a pose of a device and a related device. The method of estimating a pose of a device includes identifying a similar key frame that is similar to a current frame collected by the device from a key frame set, based on a vector distance between the similar key frame and the current frame; obtaining data-related information between image frames based on a feature matching relationship between the current frame and the similar key frame; and obtaining the pose of the device based on the data-related information.

公开(公告)号：US12135425B2

公开(公告)日：2024-11-05

申请号：US17375822

申请日：2021-07-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chilsung Choi ,  Hoon Song ,  Hongseok Lee

IPC: G02B6/00 ,  F21V8/00 ,  G02B5/18 ,  G02B5/30 ,  G02B6/27 ,  G02B27/01 ,  G02B30/25 ,  G02B30/33

Abstract: Provided is a waveguide structure including an output grating, a polarization conversion element provided parallel to the output grating, and a polarization separation element provided between the output grating and the polarization conversion element, wherein the polarization separation element is configured to transmit, to the output grating, light having a first polarization direction among light incident on the polarization separation element, and reflect, to the polarization conversion element, light having a second polarization direction different from the light having the first polarization direction among the light incident on the polarization separation element.

公开(公告)号：US12130589B2

公开(公告)日：2024-10-29

申请号：US17885258

申请日：2022-08-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeonseung Yu ,  Daeho Yang ,  Hongseok Lee ,  Wontaek Seo

IPC: G03H1/22 ,  G02B30/00 ,  G06T7/50

CPC classification number: G03H1/2202 ,  G02B30/00 ,  G06T7/50 ,  G03H2225/30 ,  G03H2226/02 ,  G06T2207/10024 ,  G06T2207/20081 ,  G06T2207/20084

Abstract: A method of modulating a depth of a hologram, the method includes: obtaining hologram data; determining a scale factor based on a hardware specification of a holographic display to display a three-dimensional (3D) hologram image in a space by using the hologram data; and modulating depth information of the hologram data based on the scale factor.

公开(公告)号：US12032154B2

公开(公告)日：2024-07-09

申请号：US17402064

申请日：2021-08-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Geeyoung Sung ,  Changkun Lee ,  Hongseok Lee

IPC: G02B27/01 ,  G02B27/00 ,  G03H1/22

CPC classification number: G02B27/0068 ,  G02B27/0025 ,  G02B27/0101 ,  G02B27/017 ,  G02B27/0172 ,  G03H1/2294 ,  G02B2027/0127 ,  G02B2027/0129 ,  G02B2027/0178 ,  G02B2027/0181 ,  G02B2027/0185

Abstract: Provided is a display apparatus including a vision correction lens. The display apparatus may include: an image forming device configured to form a virtual image; a vision correction lens configured to correct eyesight of a viewer; a combiner configured to mix the virtual image with light containing an outside landscape and having passed through the vision correction lens and provide the viewer with the virtual image and the light that are mixed with each other; and a virtual image positioner configured to adjust, according to a state of eyes of the viewer, a depth of a virtual image plane at which the virtual image is viewed, wherein the combiner may be arranged between the vision correction lens and the eyes of the viewer.

公开(公告)号：US20240184112A1

公开(公告)日：2024-06-06

申请号：US18396372

申请日：2023-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Changkun Lee ,  Byoungho Lee ,  Jinsoo Jeong ,  Seokil Moon ,  Geeyoung Sung ,  Hongseok Lee

IPC: G02B27/01 ,  G02B26/08 ,  G02B27/44

CPC classification number: G02B27/0172 ,  G02B27/0179 ,  G02B27/44 ,  G02B26/0858 ,  G02B2027/0178 ,  G02B2027/0187

Abstract: A display apparatus including a volume grating-based combiner is disclosed. The display apparatus includes: an image providing device; and a combiner, wherein the combiner includes a plurality of volume gratings configured to diffract light containing an image, which is emitted from the image providing device, each volume grating has a first surface and a second surface facing each other, and each volume grating is further configured to diffract light incident on the first surface and transmit therethrough light incident on the second surface without diffraction.

公开(公告)号：US11988829B2

公开(公告)日：2024-05-21

申请号：US17370667

申请日：2021-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changkun Lee ,  Seokil Moon ,  Geeyoung Sung ,  Bongsu Shin ,  Hongseok Lee

IPC: G02B27/01 ,  F21V8/00 ,  G02B1/00 ,  G02B5/00 ,  G02B5/32

CPC classification number: G02B27/0101 ,  G02B1/002 ,  G02B5/003 ,  G02B5/32 ,  G02B6/0026 ,  G02B6/005

Abstract: A waveguide type display apparatus is provided. This waveguide type display apparatus includes a waveguide through which an image proceeds and a leakage image reducer configured to reduce emission of a leakage image leaked from the waveguide without total internal reflection in the waveguide, from among images, to the outside by a volume grating.