Samsung Electronics Co., Ltd.

Cheil Industries Inc.

Hee-kyung Kim

Myung Sup Jung

Ji-Hoon Lee

Kyu Yeol In

Kyoung Ah Oh

Moon Yeon Lee

Jung-chul Park

Se-jun Song

Sung-kwang Yang

Yoon-gi Lee

Sang Ah Gam

Jung-Hyung Kim

Ji-Hyun Kim

Hong-seok Lee

Young-Hwan Kim

Myung-Sup Jung

Byung-hee Sohn

Hyo-Jung Kim

Myung-Su Kang

Bo-ram Namgoong

Jung-hyung Kim

An electronic device includes a projector, an operating method of an electronic device including a projector, and a non-transitory computer-readable recording medium having recorded thereon instructions for performing the operating method. The electronic device includes a communicator configured to exchange data with an external device, a projector configured to project light; a sensor configured to measure a degree of proximity between the electronic device and an installation surface on which the electronic device is to be installed, and a controller configured to control the communicator and/or the projector based on the degree of proximity measured by the sensor.

Projection apparatus and operating method thereof

An electronic device including an optical module, a method of operating the electronic device including the optical module, and a non-transitory computer-readable recording medium having recorded thereon a program for performing the method. The electronic device includes an optical module configured to project content on a projection surface and a processor configured to determine whether the electronic device is positioned within a predetermined range of a projection surface and control the optical module to project the content onto the projection surface based on the determination.

Electronic device and method

A projection lens system which is arranged between an object side at which a micro-display panel is located and an image side at which a screen is located, and includes an aperture stop; a front lens group arranged at an object-side of the aperture stop and having a positive refractive power; a rear lens group arranged at an image-side of the aperture stop, the rear lens group including a first aspherical lens at a position closest to the image side and a second aspherical lens adjacent to an object-side surface of the first aspherical lens; and an aspherical mirror having a negative refractive power and reflecting light coming from the rear lens group toward the image side.

Projection lens system and projection system

An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm.

Multilayered optical film and display device including optical film

An optical film includes: a first optical phase retardation layer having a relation nx&#x2265;ny&#x2265;nz; a second optical phase retardation layer disposed under the first optical phase retardation layer and having a relation nx&#x2248;ny&#x3c;nz; and a third optical phase retardation layer disposed on the first optical phase retardation layer and having a relation nx&#x2248;ny&#x3c;nz, where nz(i=1, 2, 3) denotes a refractive coefficient in a thickness direction of the i-th optical phase retardation layer, and nxand nydenote refractive coefficients in two orthogonal directions in a plane substantially perpendicular to the thickness direction of the i-th optical phase retardation layer.

Multilayered optical film and display device

Disclosed is an optical compensation film including a supporter, and an optical compensation layer disposed on at least one surface of the supporter and including a polymer of cholesteric liquid crystal molecules having a structure in which a plurality of parallel-arranged liquid crystal molecules are helically arranged, wherein the cholesteric liquid crystal layer has a helical axis that is bent and tilted to the supporter at an angle represented by the following Equation 1; a method of manufacturing the same; and a liquid crystal device (LCD) including the optical compensation film.=(&#x3b8;&#x2212;&#x3b8;)*()+&#x3b8;&#x2003;&#x2003;[Equation 1]In Equation 1, H is a tilt angle of the helical axis of a layer of the cholesteric liquid crystal molecules; &#x3b8;is a tilt angle of liquid crystal molecule contact with the supporter; &#x3b8;is a tilt angle of a liquid crystal molecule disposed at a part of the layer furthest from the supporter; d is a thickness of the layer; d' is a distance from the supporter along a vertical direction; &#x3b3; is a degree of variation in tilt angle of helical axis; and &#x3b3;&#x2267;0.01.

Optical compensation film, method of manufacturing the same, and liquid crystal display provided with the same

A light guide plate for displaying a three-dimensional (3D) image, and a 3D image display apparatus employing the same. The light guide plate includes a transparent body formed in a flat panel shape, and for guiding light with total internal reflection in the transparent body; and a plurality of viewing zone separation units aligned inside the transparent body. Light incident on two side surfaces of the light guide plate is separated into different viewing zones by reflective surfaces of the viewing zone separation units.

Light guide plate for displaying three-dimensional image, and three-dimensional image display apparatus employing the same

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Seongnam-si, South Korea

Hee-kyung Kim