Samsung Electronics Co., Ltd.

Seoul National University

Chi-yul Yoon

Jae-Eun Kang

Ji-woon Yeom

Sang-min Lee

Jae-woo Ko

Jong-min Kim

Jae-geol Cho

Jong-Jin Park

Seung-nam Cha

Hyun-ki Kim

Kyu-sub Kwak

Sang Hwa Lee

Hyun-Ki Jung

Hyun-Jae Baek

Jae-hyun Hur

Byung-hun Choi

Jae-Min Moon

Sang Yoon Han

Nam Ik Cho

Hyun-woo Koh

Seong-hyun Jang

Hyun-su Kim

Jae-wook Shin

Yeongil Jang

An optical system is provided. The optical system includes an image generator configured to output image signals for configuring a virtual image, and an infrared (IR) image signal, a multipath optical element configured to guide the beams, a diffraction grating configured to diffract parts of the output beams and transmit other parts of the output beams, an outcoupler configured to allow the diffracted beams to exit the multipath optical element, a first camera configured to sense a pattern of reflection of an IR beam exiting the outcoupler, an IR filter diffraction element, a second camera configured to sense a pattern of reflection of the IR beam projected toward the real world, and a processor configured to determine a line of sight of a user based on the pattern sensed by the first camera, and to determine depth information of the object based on the pattern sensed by the second camera.

Method and optical system for determining depth information

An apparatus for measuring blood pressure, and a method for measuring blood pressure by using the same are disclosed. The disclosed method for measuring blood pressure comprises the steps of: calculating pulse wave transit time; measuring vascular compliance; and measuring systolic blood pressure and diastolic blood pressure by using the pulse wave transit time and the vascular compliance, wherein the vascular compliance can be measured respectively in at least two or more different hand shape poses.

Apparatus for measuring blood pressure, and method for measuring blood pressure by using same

The disclosure relates to a method of determining a gaze distance, the method including obtaining a plurality of images by capturing each of both eyes of a user, determining, from each of the plurality of images, a corner point located at an edge of the eye, a location of a pupil, and an eye contour, determining each of gaze directions of both of the eyes based on a difference between a reference point and the location of the pupil, wherein the reference point is determined based on the eye contour and a location of the corner point, and determining a gaze distance based on a difference between the gaze directions of both of the eyes.

Staring distance determination method and device

Provided is a virtual image display device including: an image generator outputting a virtual image; a filter transmitting light in a first polarization state in the output virtual image; a multipath optical element guiding the transmitted light in the first polarization state; a first optical element arranged on a first side of the multipath optical element and allowing the guided light in the first polarization state and real-world light to pass therethrough; a second optical element arranged on a second side opposite to the first side of the multipath optical element and allowing the real-world light to pass therethrough; and a processor controlling the image generator, the first optical element, and the second optical element.

Method and device for displaying virtual image

A video display apparatus includes a display configured to reproduce a video, a processor configured to generate a signal for applying an electrical stimulus to a user, based on a motion depicted in the video, and a communication unit configured to transmit the signal to an electrical stimulation apparatus.

Video display apparatus and method for reducing VR sickness

A nanofiber composite including a nanofiber formed of a hydrophobic polymer, a nanowire formed of a conductive or semiconductive organic material that is oriented in the nanofiber in the longitudinal direction of the nanofiber, and an ionic active material.

Nanofiber composite, method of manufacturing the same, and field effect transistor including the same

Growing community of inventors

Hwaseong-si, South Korea

Chi-yul Yoon