Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Jaeseung Chung

Bongsu Shin

Joonyong Park

Sunghoon Lee

Dongouk Kim

Jihyun Bae

Dongsik Shim

Hyunjoon Kim

Sukgyu Hahm

Hongseok Lee

Seogwoo Hong

Geeyoung Sung

Jong G Ok

Ilsun Yoon

Wontaek Seo

Changkun Lee

Juwon Seo

Hoon Song

Alexander Victorovich Morozov

Seokho Song

Sunil Kim

Gugrae Jo

Daeyoung Lee

Jungkwuen An

Yuntae Kim

Changsoo Lee

Yunhee Kim

Taesung Jung

Youngju Jeong

An apparatus for controlling an augmented reality includes: a communicator configured to communicate with an external device; and a processor configured to identify, via the communicator, a sensing device which is an external device, generate virtual image data based on sensing data received from the identified sensing device, and provide the virtual image data to an image display device.

Apparatus for controlling augmented reality, method of implementing augmented reality by using the apparatus, and system of implementing augmented reality by including the apparatus

A holographic display apparatus for providing an expanded viewing window includes a spatial filter configured to separate a plurality of holographic images generated by the hologram pattern displayed on the spatial light modulator from a plurality of lattice spots generated by a physical structure of the spatial light modulator. The spatial filter includes a plurality of color filters or a plurality of dichroic mirrors separating a first color image, a second color image, and a third color image from a first color lattice spot, a second color lattice spot, and a third color lattice spot.

Holographic display apparatus for providing expanded viewing window

A see-through display device includes an optical coupler that couples first light input from a first direction and second light input from a second direction that is different from the first direction, the optical coupler transferring coupled light including the first light and the second light to an observer, and a shading member disposed in front of the optical coupler, the shading member transferring the second light to the optical coupler by reducing a light amount of the second light. The see-through display device limits a reflection phenomenon occurring between the optical coupler and the shading member.

See-through display device

A method for manufacturing a pattern structure includes preparing a wafer that has a plurality of fine patterns, generating a first trench by processing the wafer from a first surface to a first depth, and generating a second trench connected to the first trench by processing the wafer from a second surface which is opposite to the first surface to a second depth, thereby cutting the wafer.

Pattern structure and method of manufacturing the pattern structure

A backlight unit for a three-dimensional (3D) image display includes a light guiding plate configured to guide light; a light source configured to emit the light to the light guiding plate; and a diffraction grating structure provided on a surface of the light guiding plate, the diffraction grating structure configured to diffract the light emitted from the surface of the light guiding plate, and including diffracting gratings having different heights.

Backlight unit for 3D image display and method of manufacturing the backlight unit

A method of correcting optical characteristics of a back light unit (BLU) for a three-dimensional (3D) display apparatus includes: obtaining first optical characteristics of a reference image; obtaining a corrected image by applying an initial correction value, which is determined based on the first optical characteristics, to the reference image; obtaining second optical characteristics of the corrected image; determining whether the second optical characteristics match reference optical characteristics; outputting the corrected image based on determining that the second optical characteristics match the reference optical characteristics, and obtaining a new corrected image and repeating, for the new corrected image, the obtaining the second optical characteristics and the determining whether the second optical characteristics match the reference optical characteristics, based on determining that the second optical characteristics of the corrected image do not match the reference optical characteristics.

Method of correcting optical characteristics of back light unit for three-dimensional display apparatus

An input coupler includes: a plurality of semi-reflectors located along an optical path along which a light incident from a light source travels, each of the plurality of semi-reflectors comprising a reflective surface that is inclined with respect to the optical path and configured to reflect a first portion of the light and transmit a second portion of the light; and a plurality of optical path changing members configured to change an optical path of the light transmitted through the plurality of semi-reflectors, wherein the plurality of semi-reflectors and the plurality of optical path changing members are arranged such that the light passing through at least one of the plurality of semi-reflectors and emitted in one direction has a linear beam distribution.

Input coupler, backlight unit, and three-dimensional image display apparatus including the input coupler

A three-dimensional (3D) image display apparatus includes a backlight unit configured to provide collimated white light, and a display panel configured to modulate the light provided from the backlight unit based on image information and to display the light in a plurality of viewing zones. The display panel includes a diffractive color filter in which a diffractive element for providing directivity is disposed on a color filter, thereby improving an optical efficiency in 3D image formation.

Three-dimensional image display apparatus including diffractive color filter

A directional backlight unit, a three-dimensional (3D) image display apparatus, and a 3D image displaying method are provided. The directional backlight unit includes a light guide plate having an emission surface on which a plurality of grating elements including first and second groups of grating elements are provided. The plurality of grating elements are arranged such that light beams emitted from the first and second groups of grating elements commonly propagate through a plurality of pixel points and respectively form first and second groups of view points of which corresponding regions do not overlap with each other.

Directional backlight unit, three-dimensional (3D) image display apparatus, and 3D image displaying method

A directional backlight unit and an image display apparatus including the directional backlight unit are provided. The directional backlight unit includes at least one light source and a light guide plate that guides light emitted by the light source. An interval between grating patterns formed on the light guide plate satisfies at least one condition of a first range and a second range in order to minimize a spreading of light caused by the grating patterns.

Directional backlight unit and image display apparatus including the same

A directional backlight unit is provided, including a light guide plate, a light source, and a grating that is formed on a light-emitting surface of the light guide plate. The grating is configured such that an intensity of one ray of light, of the light irradiated by the light source and diffracted and emitted by the grating, is greater than a sum of intensities of all other rays of light, of the light irradiated by the light source and diffracted and emitted by the grating.

Directional backlight unit, method for manufacturing the same, and 3D image display apparatus having the same

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.

Backlight unit for holographic display apparatus and holographic display apparatus including the same

There are provided a backlight unit, a 3D image display apparatus, and a method of manufacturing the same. The backlight unit may include a light source, a light guide plate that guides light irradiated from the light source, and including an exit surface through which the light exits, and a reflection plate provided on at least a part of the exit surface of the light guide plate.

Growing community of inventors

Suwon-si, South Korea

Jaeseung Chung