Lg Electronics Inc.

Yonsei University

Sewon Park

Sangkyu Kang

Wooseok Ahn

Hyeongchul Oh

Eunyul Lee

Wonbae Park

Youngsok Lee

Hyeoncheol Cho

Dongheon Shin

Janghwan Kim

SeongChan Jun

Sunbin Kang

YunJi Hwang

Leesak Kim

Chengyi Li

A varifocal lens is provided. A varifocal lens includes: a transparent substrate having a plate shape; a first lens layer stacked on a first area formed on one surface of the transparent substrate; a second lens layer stacked on a second area which is spaced apart from the first area and formed on the one surface of the transparent substrate; and a power supply connected to the first lens layer and the second lens layer to, based on the second lens layer, apply a first voltage to the first lens layer. The power supply may adjust the first voltage and change a refractive index of light, which is incident on the other surface of the transparent substrate and transmitted toward the one surface of the transparent substrate, to adjust a focal length.

Varifocal lens

A smart key configured to control a plurality of vehicles includes: a first communication unit configured to exchange information with the plurality of vehicles; an information acquisition device configured to acquire user information associated with a user of the smart key; at least one processor; and a computer-readable medium coupled to the at least one processor having stored thereon instructions which, when executed by the at least one processor, causes the at least one processor to perform operations including: based on the user information, selecting, as a vehicle to enter, at least one vehicle among the plurality of vehicles based on the user information and based on information associated with the plurality of vehicles; and exchanging, through the first communication unit, a signal with the selected at least one vehicle.

Smart key for vehicle and system

An operating method of a video display device, and which includes obtaining an image of a user of the video display device; generating a plurality of gesture areas for the user from the obtained image; recognizing a position of a gesture object of the user from the plurality of generated gesture areas; recognizing a gesture of the user from the obtained image; and performing a control operation corresponding to the position of the recognized gesture object and the recognized gesture.

Video display device recognizing a gesture of a user to perform a control operation and operating method thereof

A method of operating the video display device according to the embodiment of the present invention comprises acquiring a video of a video display device associated with a user; recognizing a gesture of the user in the acquired video; calculating a control amount with regard to the gesture based on the recognized gesture; and performing the control operation corresponding to the recognized gesture and the calculated control amount.

Image display apparatus and operation method thereof

Provided is an operating method of a display device. The method includes: recognizing a wearable device; and providing a user interface screen of the display device differently on the basis of a wearing state of the wearable device representing whether a user wears the recognized wearable device.

Display device and operating method thereof

A method for operating a display device according to an embodiment includes acquiring an image of a plurality of users, recognizing a plurality of faces respectively corresponding to the plurality of users from the acquired image, checking a viewing state of media content for each user, when the plurality of users respectively corresponding to the plurality of recognized faces are registered users, acquiring viewing information corresponding to at least one of the plurality of registered users of which the viewing state has been changed from a viewing maintaining state in which the media content is viewed to a not-viewing state in which the media content is not viewed, and performing a re-viewing function on the basis of the acquired viewing information when a face of the user of which the viewing state has been changed is re-recognized.

A method of controlling a display device, and which includes obtaining, via camera of the display device, a user's image; recognizing, via a controller of the display device, a user's hand gesture from the obtained user's image; and when the recognized user's hand gesture does not match a pre-stored gesture, displaying, via a display of the display device, a function guide including different hand gestures different than the recognized user's hand gesture for guiding a user's selection for performing a function of the display device.

Growing community of inventors

Seoul, South Korea

Sewon Park