Samsung Electronics Co., Ltd.

University of Seoul Industry Cooperation Foundation

Seoul National University

Osong Medical Innovation Foundation, Korea University Research and Business Foundation

Ajou University Industry-Academic Cooperation Foundation

Kyungpook National University Industry-Academic Cooperation Foundation

Cornell University

Industry-University Cooperation Foundation Hanyang University

University-Industry Cooperation Group of Kyung Hee University

Sogang University Research Foundation

Myongji University Industry and Academia Cooperation

Iucf-hyu

Hongseok Lee

Hoon Song

Geeyoung Sung

Jungkwuen An

Chilsung Choi

Wontaek Seo

Changkun Lee

Sunil Kim

Bongsu Shin

Yuntae Kim

Kanghee Won

Hojung Kim

Young Shin Kim

Yongkyu Kim

Seokil Moon

Juwon Seo

Kichul Kim

Jong-Young Hong

Myungjae Jeon

Yunhee Kim

German B Dubinin

Byoungho Lee

Daeho Yang

Joonyong Park

Sunghoon Lee

Alexander Victorovich Morozov

Sergey E Dubynin

Qiang Wang

Jaeseung Chung

Zhihua Liu

Byonggwon Song

Andrey Nikolaevich Putilin

Jesung Koh

Hwi Dae Kim

Seunghoon Han

Jangwoo You

Dongjin Kim

Namseop Kwon

Aleksander V Morozov

Minsu Kim

Seogwoo Hong

Jihyun Bae

Dongouk Kim

Dongsik Shim

Jonghyun Lee

Sanghoon Sull

Geunwoo Ko

Sangbum Lee

Dongyeoul Lee

Hyeonseung Yu

Punjae Choi

Sergey S Kopenkin

Yuriy P Borodin

Young Soo Kim

Jungwoo Kim

Hyunjoon Kim

Yoonsun Choi

Young Ju Kim

Chanwook Baik

Changseung Lee

Wonjae Joo

Young Wook Kim

Hongkyu Park

Jeongyub Lee

Young Kyoo Kim

Woong Ko

Sukgyu Hahm

Donggeun Lee

Tianhao Gao

Jinsoo Jeong

Yamin Mao

Seungwoo Nam

Joonku Hahn

Hongsuk Kim

Young Chan Kim

Byunghoon Na

Younggeun Roh

Keechang Lee

Changsoo Lee

Jinyoung Park

Jinhwan Kim

Donghoon Sagong

Young Lyong Kim

Unjeong Kim

Dokyoon Kim

Changhwan Kim

Gennady Shvets

Seokho Song

Sangeun Mun

Jinwook Burm

Sungmo Ahn

Weiheng Liu

Byongmin Kang

Dukho Lee

Hyunsik Park

Woojun Han

Jaisoon Kim

Kideok Bae

Yongmin Park

Paul Oh

A beam deflector includes a first electrode layer including a plurality of line electrodes extending in a first direction and arranged parallel to each other in a second direction crossing the first direction; a second electrode layer separated from the first electrode layer by a predetermined distance to face the first electrode layer; and a deflection layer between the first electrode layer and the second electrode layer and having a plurality of optically anisotropic molecules controlled by an electric field formed between the first electrode layer and the second electrode layer. Each of the optically anisotropic molecules has an ellipse shape having a major axis and a minor axis, wherein the major axis is arranged to head for the first direction.

Beam deflector and 3-dimensional display device including the same

A projection optical system includes a base, a mirror on the base, and a pair of first actuators provided between the base and the mirror, and facing each other. Each of the pair of first actuators includes a first electroactive polymer film having a size that varies according to an applied voltage, and a slope of the mirror is adjusted according to a change in the size of the first electroactive polymer film.

Projection optical system comprising a pair of actuators each having an electroactive polymer film and see-through display device including the same

A three-dimensional holographic display device includes a light emitting diode (LED) array including a plurality of light sources controlled to sequentially output light according to a preset pattern, a lens configured to refract light incident from the LED array, a spatial light modulator (SLM) configured to modulate light incident from the lens, and a processor configured to generate a plurality of holographic signals each comprising depth information adjusted according to an arrangement location of each of the plurality of light sources, and for each of the plurality of light sources, control the SLM to modulate the light based on a holographic signal corresponding to the light source.

3D holographic display device and operating method of the same

A holographic display device is provided. The holographic display device includes a spatial light modulator for representing a partial complex domain and reproducing a hologram by diffracting light, and a processor for controlling the spatial light modulator. The processor controls the spatial light modulator by employing an algorithm for calculating hologram information according to the representation of the partial complex domain of the spatial light modulator.

Holographic display device

An apparatus for accelerating simultaneous localization and mapping (SLAM) includes a SLAM processor including a front-end processor and a back-end processor. The front-end processor is configured to track a position of a first feature, among features extracted from a first frame, in a second frame subsequent to the first frame, and the back-end processor is configured to obtain a first measurement regarding a map point and a camera pose of the first feature based on the position of the first feature in the second frame tracked by the front-end processor, compute elements affecting an optimization matrix in relation to the first measurement, among elements of a Hessian matrix regarding the map point and the camera pose, and accumulate the computed elements in the optimization matrix used to perform an optimization operation with respect to states of the map point and the camera pose.

Apparatus for accelerating simultaneous localization and mapping and electronic device including the same

A multi-degree of freedom (DOF) moving stage includes: an end-effector; three driven links pivotably connected to the end-effector at angular intervals from each other; three driving links pivotably connected to the three driven links, respectively; and three actuators configured to drive the three driving links, respectively. Each of the three driven links includes first to fourth arms arranged at intervals; and a flexible member that connects the first to fourth arms to each other in a parallelogram shape across the intervals and forms pivotable joints at the intervals.

Multi-DOF moving stage and display apparatus including the same

Provided are an electronic device for processing computer-generated holography (CGH) and a method thereof. The electronic device generates a plurality of depth layers (computer-generated holography) having different depth information from image data at a first view point, and reprojects each of the plurality of depth layers based on the user's pose information at the second view point different from the first view point to generates CGH.

Electronic device and method for processing computer-generated holography

Provided is a holographic image processing apparatus including a memory configured to store at least one instruction, and a processor configured to execute the at least one instruction stored in the memory to generate a corrected holographic image by correcting an original holographic image captured by a holographic camera based on a neural network configured to learn hologram correction in advance.

Holographic image processing method and holographic image processing apparatus

Provided are holographic display systems and methods for generating a hologram by compensating for aberrations of a holographic display device. The holographic display system may include a holographic display device and a hologram generating device. The hologram generating device may generate a hologram by propagating hologram segments, using kernels generated by modeling each aberration corresponding to each of hologram plane segments to compensate for aberrations.

Holographic display system and method for generating hologram by compensating for aberration of holographic display device

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.

Display apparatus including volume grating based combiner

An augmented reality (AR) device and a method of predicting a pose in the AR device is provided. In the augmented reality (AR) device inertial measurement unit (IMU) values corresponding to the movement of the AR device are obtained at an IMU rate, intermediate 6-degrees of freedom (6D) poses of the AR device are estimated based on the IMU values and images around the AR device via a visual-inertial simultaneous localization and mapping (VI-SLAM) module, and a pose prediction model for predicting relative 6D poses of the AR device is generated by performing learning by using a deep neural network.

Augmented reality (AR) device and method of predicting pose therein

Provided is an accelerator provided in an electronic device and configured to perform simultaneous localization and mapping (SLAM), the accelerator including a factor graph database, a memory, and a back-end processor, wherein the back-end processor is configured to receive a first piece of data corresponding to map points and camera positions from the factor graph database, convert the received first piece of data into a matrix for the map points and a matrix for the camera positions, store, in the memory, results obtained by performing an optimization calculation on the matrix for the map points and a matrix for at least one camera position, among the camera positions, corresponding to the map points, and obtain a second piece of data optimized with respect to the first piece of data based on the results stored in the memory.

Method for performing simultaneous localization and mapping and device using same

An image display device includes a main light source configured to emit a first light; a display panel configured to modulate the first light to add image information to the first light; a holographic optical element (HOE) configured to diffract the first light emitted from the display panel to make the first light travel to a first region to generate a main image; a first optical system provided on a traveling path of the first light between the main light source and the HOE, the first optical system being configured to change the traveling path of the first light to be incident on the HOE along a first path; an auxiliary light source configured to emit a second light; and a second optical system provided on a traveling path of the second light, the second optical system being configured to change a traveling path of the second light to be incident on the HOE along a second path different from the first path.

Image display device and augmented reality device including the same

A display apparatus capable of providing an expanded viewing window includes a light guide plate including an input coupler and an output coupler; and an image providing apparatus facing the input coupler to provide an image to the input coupler. The input coupler may include a plurality of sub input couplers configured to propagate the image provided from the image providing apparatus at different angles in the light guide plate.

Display apparatus for providing expanded viewing window

A holographic display apparatus includes: a light source; a spatial light modulator configured to modulate light from the light source according to an image to be displayed on an object plane; and a processor configured to generate a computer generated hologram (CGH) in which a phase value of hologram data to be displayed on a reference plane of the spatial light modulator is 0, the processor being configured to apply a light modulation signal based on the CGH to the spatial light modulator.

CGH generator and display apparatus including the same

Growing community of inventors

Seoul, South Korea

Hongseok Lee