公开(公告)号：US10459288B2

公开(公告)日：2019-10-29

申请号：US15704193

申请日：2017-09-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chilsung Choi ,  Sunil Kim ,  Geeyoung Sung ,  Hoon Song ,  Jungkwuen An ,  Hongseok Lee

IPC: G02B5/32 ,  G02F1/1335 ,  G06F3/01 ,  G03H1/22 ,  F21V8/00

Abstract: Provided is a backlight unit having high optical efficiency and a holographic display device including the backlight unit. The backlight unit includes a light source unit configured to provide a light beam, a first beam expander configured to mix the light beam provided from the light source unit, expand the light beam in a first direction, and output the mixed and expanded light beam as white light, and a second beam expander configured to expand the white light output from the first beam expander in a second direction perpendicular to the first direction and output the expanded white light as surface light.

公开(公告)号：US10228506B2

公开(公告)日：2019-03-12

申请号：US15171523

申请日：2016-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseung Chung ,  Sunghoon Lee ,  Jihyun Bae ,  Joonyong Park ,  Hoon Song ,  Hongseok Lee ,  Dongouk Kim ,  Hyunjoon Kim ,  Bongsu Shin ,  Dongsik Shim ,  Seogwoo Hong

IPC: F21V8/00 ,  G02B5/18 ,  G02B27/22

Abstract: A directional backlight and a 3D image display apparatus including the directional backlight are provided. The directional backlight includes a light guide plate guiding light emitted from a light source; a diffractive device configured to adjust the direction of light exiting the light guide plate; and an aperture adjusting layer including a plurality of apertures. The aperture adjusting layer may adjust the optical output efficiency of the diffractive device.

公开(公告)号：US10139781B2

公开(公告)日：2018-11-27

申请号：US14793901

申请日：2015-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Geeyoung Sung ,  Jungkwuen An ,  Hongseok Lee ,  Sunil Kim ,  Hoon Song ,  Chilsung Choi

IPC: G03H1/08 ,  G03H1/28 ,  G03H1/22

Abstract: An apparatus and a method for displaying holographic 3D image are provided. The method includes generating, by a controller, a hologram signal to generate multiple identical hologram images which are shifted with respect to one another by a predetermined distance and overlapped on one another, and modulating, by a spatially light modulator (SLM), light incident on the SLM based on the hologram signal.

公开(公告)号：US20180149790A1

公开(公告)日：2018-05-31

申请号：US15659787

申请日：2017-07-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yunhee Kim ,  Jaeseung Chung ,  Hoon Song ,  Sunil Kim ,  Jungkwuen An

IPC: F21V8/00 ,  G02B27/22

Abstract: A backlight unit and a holographic display apparatus that includes a backlight unit are provided. The backlight unit includes a light source, a first light guide plate for guiding a light beam emitted by the light source in a first direction, a second light guide plate for guiding the light beam incident via the first light guide plate in a second direction, and an output/input coupler that is disposed between the first light guide plate and the second light guide plate.

公开(公告)号：US09953579B2

公开(公告)日：2018-04-24

申请号：US14833387

申请日：2015-08-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hojung Kim ,  Seunghoon Han ,  Hoon Song ,  Hongseok Lee

IPC: G06F3/038 ,  G09G3/3266 ,  G09G3/34 ,  G03H1/02 ,  G03H1/22 ,  G02B27/01

CPC classification number: G09G3/3266 ,  G02B27/017 ,  G02B2027/0178 ,  G03H1/02 ,  G03H1/2294 ,  G03H2001/0224 ,  G03H2225/21 ,  G09G3/34 ,  G09G2300/08 ,  G09G2310/0264

Abstract: An acousto-optic element array includes: acousto-optic elements each including an acousto-optic generator, a light supply, and a wave transducer; a gate driver that selects an acousto-optic element to be driven from among the acousto-optic elements; an electrical data driver that is connected to an electrical wire and transmits electrical data to an electro-optic modulator configured to control the acousto-optic generator of the selected acousto-optic element; and a wave data driver that is connected to a waveguide and transmits wave data to the wave transducer of the selected acousto-optic element.

公开(公告)号：US09791600B2

公开(公告)日：2017-10-17

申请号：US13690181

申请日：2012-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyu-hwan Choi ,  Yun-hee Kim ,  Eok-su Kim ,  Jung-mok Bae ,  Hoon Song ,  Kang-hee Won ,  Yoon-sun Choi

IPC: G02B26/00 ,  G02F1/03 ,  G02B1/06 ,  G02F1/133 ,  G02B3/14 ,  G02B3/00 ,  G09G5/00

CPC classification number: G02B3/14 ,  G02B3/0006 ,  G02B26/005 ,  G09G5/00

Abstract: Provided is a micro-lens capable of changing a focal length. The micro-lens includes a plurality of electrodes, and an electrowetting liquid layer that is separable from the electrodes and that has a focal length that is controlled by a voltage applied to the electrodes.

公开(公告)号：US09727970B2

公开(公告)日：2017-08-08

申请号：US14636934

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoon Song ,  Hojung Kim ,  Juwon Seo ,  Hongseok Lee

IPC: G03H1/08 ,  G02B5/32 ,  G03H1/26 ,  G06T7/00 ,  G03H1/22 ,  G03H1/02

CPC classification number: G03H1/0808 ,  G03H1/2294 ,  G03H2001/0228 ,  G03H2001/2271 ,  G03H2210/454 ,  G03H2226/02

Abstract: A method of generating a hologram includes receiving three-dimensional (3D) image data, dividing 3D image data into data groups which are independent from one another, by a first processor; calculating, from at least one of the data groups, hologram values to be displayed at respective positions on a hologram plane, by the first processor; calculating, from at least another one of the data groups, hologram values to be displayed at the respective positions on the hologram plane by a second processor, and summing the calculated hologram values for each of the respective positions on the hologram plane, by the first processor or the second processor, or by the first processor and the second processor in parallel.

公开(公告)号：US20160320752A1

公开(公告)日：2016-11-03

申请号：US15000601

申请日：2016-01-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wontaek Seo ,  Hongseok Lee ,  Juwon Seo ,  Hoon Song ,  Jungkwuen An

IPC: G03H1/22 ,  G03H1/04 ,  G03H1/08 ,  G03H1/26

CPC classification number: G03H1/2294 ,  G03H1/0486 ,  G03H1/0808 ,  G03H1/0841 ,  G03H1/2645 ,  G03H2001/0825 ,  G03H2001/2271 ,  G03H2001/2297 ,  G03H2001/266 ,  G03H2001/303 ,  G03H2210/454 ,  G03H2225/35 ,  G03H2226/05

Abstract: A holographic display apparatus includes: a light source configured to emit light; a spatial light modulator configured to sequentially generate hologram patterns for modulating the light and to sequentially reproduce frames of hologram images based on the hologram patterns; and a controller configured to provide hologram data signals to the spatial light modulator, the hologram data signals being used to sequentially generate the hologram patterns. The controller is configured to further provide, to the spatial light modulator, diffraction pattern data signals for forming periodic diffraction patterns for adjusting locations of the hologram images to be reproduced on a hologram image plane, the diffraction pattern data signals being configured to move the periodic diffraction patterns on the spatial light modulator along a predetermined direction for each of the frames.

Abstract translation: 全息显示装置包括：被配置为发光的光源; 空间光调制器，其被配置为顺序地产生用于调制光的全息图图案，并且基于全息图图案依次再现全息图像的帧; 以及控制器，其被配置为向所述空间光调制器提供全息图数据信号，所述全息数据信号用于顺序地生成所述全息图图案。 控制器被配置为进一步向空间光调制器提供用于形成周期性衍射图案的衍射图形数据信号，用于调整要在全息图像平面上再现的全息图像的位置，衍射图形数据信号被配置为移动周期性 沿着每个帧的预定方向的空间光调制器上的衍射图案。

公开(公告)号：US20160216433A1

公开(公告)日：2016-07-28

申请号：US15000183

申请日：2016-01-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongseok Lee ,  Geeyoung Sung ,  Joonyong Park ,  Hoon Song ,  Bongsu Shin ,  Yoonsun Choi

IPC: F21V8/00

CPC classification number: G02B6/0036 ,  G02B6/0068 ,  G02B6/0076 ,  H04N13/32 ,  H04N13/356

Abstract: A two-dimensional (2D)/three-dimensional (3D) switchable backlight unit and an image display apparatus using the 2D/3D switchable backlight unit are provided. The 2D/3D switchable backlight unit includes: a light source unit; a first light guide plate, within which light from the light source unit is totally internally reflected; and a plurality of refraction patterns, each having a trapezoidal form. The light source unit may include a first light source and a second light source.

Abstract translation: 提供二维（2D）/三维（3D）可切换背光单元和使用2D / 3D可切换背光单元的图像显示装置。 2D / 3D可切换背光单元包括：光源单元; 第一导光板，其中来自光源单元的光被全内反射; 和多个折射图案，每个具有梯形形式。 光源单元可以包括第一光源和第二光源。

公开(公告)号：US08792173B2

公开(公告)日：2014-07-29

申请号：US14022487

申请日：2013-09-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jung-mok Bae ,  Hong-seok Lee ,  Hoon Song ,  Yong-joo Kwon ,  Jung-hoon Lee ,  Seung-yul Choi

IPC: G02B27/10 ,  G02B3/12 ,  G02F1/01 ,  G02B26/02

CPC classification number: G02B26/005 ,  G02B3/0056 ,  G02B3/14

Abstract: A changeable liquid lens array and a method of manufacturing the same. The changeable liquid lens array includes a substrate, a plurality of partition walls arrayed on the substrate and having a fluid travel path, cells defined by the plurality of partition walls, a first fluid comprised in the cells, a second fluid arranged on the first fluid, a first electrode arranged on at least one side surface of each of the partition walls, and a second electrode disposed to be separate from the partition walls. A shape of shape of an interface between the first fluid and the second fluid changes based on a voltage that is applied to the first electrode and the second electrode.

Abstract translation: 一种可变液晶透镜阵列及其制造方法。 可变液体透镜阵列包括基板，排列在基板上并具有流体行进路径的多个分隔壁，由多个分隔壁限定的单元，包含在单元中的第一流体，布置在第一流体上的第二流体 ，布置在每个分隔壁的至少一个侧表面上的第一电极和设置成与分隔壁分离的第二电极。 基于施加到第一电极和第二电极的电压，第一流体和第二流体之间的界面形状的形状发生变化。