公开(公告)号：US10114268B2

公开(公告)日：2018-10-30

申请号：US14162149

申请日：2014-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Seung-hoon Han ,  Wan-joo Maeng ,  Won-taek Seo ,  Hoon Song ,  Hae-kwan Oh ,  Kee-keun Lee

IPC: G02F1/33 ,  G02F1/11

Abstract: Provided is an acousto-optic device including an elastic medium; a meta structure formed on a first surface of the elastic medium, and an elastic-wave generating unit which generates an elastic wave in the elastic medium. The meta structure includes a first layer and a second layer that is formed on the first layer. The at least one of the first layer and the second layer includes a predetermined repetitive pattern.

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：US09983457B2

公开(公告)日：2018-05-29

申请号：US13725099

申请日：2012-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gee-young Sung ,  Hoon Song ,  Kang-hee Won ,  Kyu-hwan Choi

IPC: G03H1/12 ,  G02F1/19 ,  G02F1/01 ,  G03H1/22 ,  G03H1/02 ,  G02F1/13363 ,  G03H1/08

CPC classification number: G02F1/19 ,  G02F1/0136 ,  G02F2001/133631 ,  G03H1/02 ,  G03H1/2286 ,  G03H1/2294 ,  G03H2001/0224 ,  G03H2001/0858 ,  G03H2222/31 ,  G03H2223/18 ,  G03H2223/19 ,  G03H2225/33 ,  G03H2225/55

Abstract: A complex spatial light modulator includes a polarization-phase modulator for separating an incident beam into a first beam having a first polarization and a first phase, and a second beam having a second polarization and a second phase, and for outputting the first beam and the second beam; and a beam synthesizer including a prism structure formed of an optical anisotropic material having a first refractive index with respect to the first beam having the first polarization and having a second refractive index, different form the first refractive index, with respect to the second beam having the second polarization, where the beam synthesizer combines the first beam and the second beam.

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：US09720246B2

公开(公告)日：2017-08-01

申请号：US14109131

申请日：2013-12-17

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Korea University Research and Business Foundation

Inventor： Kang-hee Won ,  Hwi Kim ,  Gee-young Sung ,  Hoon Song ,  Hong-seok Lee ,  Su-jin Choi

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

CPC classification number: G02B27/2214 ,  G02B5/32 ,  G03H1/2205 ,  G03H1/2294 ,  G03H2001/221 ,  G03H2223/17 ,  G03H2223/19 ,  G03H2225/33 ,  G03H2225/55

Abstract: A complex spatial light modulator for modulating a phase and amplitude of a light beam and a 3-dimensional (3D) display including the same are provided. The complex spatial light modulator includes a spatial light modulator modulating a phase of a light beam, a lenticular lens array disposed next to the spatial light modulator, and a volume holographic lens array spaced apart from the lenticular lens array and allowing light beams output from the lenticular lens array to be superimposed and to interfere with each other, and so that the phase and an amplitude of the light beam are simultaneously modulated.

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：US09256203B2

公开(公告)日：2016-02-09

申请号：US14494116

申请日：2014-09-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyu-hwan Choi ,  Hong-seok Lee ,  Hoon Song ,  Yoon-sun Choi ,  Jung-mok Bae

IPC: G02B27/14 ,  G02B27/10 ,  G03H1/04 ,  G02B27/09 ,  G03H1/02 ,  G03H1/22 ,  F21V13/00

CPC classification number: G03H1/04 ,  F21V13/00 ,  G02B27/0905 ,  G02B27/0933 ,  G02B27/0961 ,  G02B27/0977 ,  G03H1/02 ,  G03H1/2286 ,  G03H2001/0212 ,  G03H2222/22 ,  G03H2222/35

Abstract: A surface light source device is provided. The surface light source device includes a light source, a beam splitter configured to split a light irradiated from the light source into a plurality of light beams each having a different path, a diffusion unit configured to diffuse the plurality of light beams split by the beam splitter into a surface light, and a collimating unit configured to arrange the plurality of light beams diffused from the diffusion unit in one direction.

Abstract translation: 提供表面光源装置。 所述面光源装置包括光源，将所述光源照射的光分成多个具有不同路径的光束的分束器，漫射单元，被配置为使由所述光束分离的所述多个光束 分离成面光，以及准直单元，被配置为沿着一个方向布置从扩散单元扩散的多个光束。

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：US20240153416A1

公开(公告)日：2024-05-09

申请号：US18411804

申请日：2024-01-12

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Wontaek Seo ,  Yongkeun Park ,  Hoon Song ,  Jungkwuen An ,  Jongchan Park

IPC: G09G3/00 ,  G01S3/787 ,  G02B30/27 ,  H04N13/351

CPC classification number: G09G3/003 ,  G01S3/787 ,  G02B30/27 ,  H04N13/351 ,  H04N13/282

Abstract: A viewing angle expansion plate, which is a multi-pinhole mask, includes a plurality of cell areas; and a plurality of pinholes formed in the plurality of cell areas, wherein each cell area from among the plurality of cell areas corresponds to a respective pixel from among a plurality of pixels in a flat panel display. The flat panel display includes a light source configured to emit parallel light; a flat panel, on which the parallel light is incident, configured to provide a three-dimensional image; and the viewing angle expansion plate.

公开(公告)号：US11714222B2

公开(公告)日：2023-08-01

申请号：US17555070

申请日：2021-12-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Young Hong ,  Hoon Song ,  Jungkwuen An ,  Hongseok Lee

IPC: F21V8/00

CPC classification number: G02B6/003 ,  G02B6/005 ,  G02B6/0076

Abstract: Provided is an optical device including a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.