公开(公告)号：US09851091B2

公开(公告)日：2017-12-26

申请号：US14829531

申请日：2015-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Soungmin Im ,  Sungjin Kim ,  Sungmin Baek

IPC: G02B27/01 ,  F21V33/00 ,  F21V19/00 ,  G01S5/16 ,  F21Y105/00 ,  F21Y105/10

CPC classification number: F21V33/0052 ,  F21V19/001 ,  F21Y2105/10 ,  G01S5/163 ,  G02B27/017 ,  G02B2027/0138 ,  G02B2027/0178 ,  G02B2027/0187

Abstract: Disclosed is a head mounted display (HMD) having light emitting devices. The HMD includes a body having a plurality of surfaces; and a plurality of light emitting units formed on the plurality of surfaces and configured to emit light to outside of the body, wherein each of the plurality of light emitting units includes at least four light emitting devices that are disposed in a straight line in a spaced manner such that a specific cross ratio defines spacing for each of the plurality of light emitting units, a cross ratio of one of the plurality of light emitting units being different from cross ratios of other light emitting units among the plurality of light emitting units.

公开(公告)号：US10379362B2

公开(公告)日：2019-08-13

申请号：US15748615

申请日：2015-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Sungmin Baek ,  Soungmin Im

IPC: G02B27/01 ,  G06T19/00 ,  G06T7/70 ,  G06F3/00 ,  G06F3/01

Abstract: The present invention relates to a head mounted display (HMD) capable of receiving an image through a camera. An HMD according to an embodiment of the present invention comprises: a main body configured to be worn on a user's head; a camera equipped in the main body; a sensing unit configured to measure the distance between the main body and a subject corresponding to the image received through the camera; and a control unit which determines a plurality of feature points satisfying preset conditions in the image, measured, by means of the sensing unit, the distance between the main body and the subject corresponding to at least one of the plurality of feature points, and determines the movement of the main body on the basis of at least one of the plurality of feature points and the measured distance.

公开(公告)号：US09746939B2

公开(公告)日：2017-08-29

申请号：US14471843

申请日：2014-08-28

Applicant: LG Electronics Inc.

Inventor： Sungmin Baek ,  Soungmin Im

IPC: G06F3/03 ,  G06F3/042 ,  G06F3/0483 ,  H04N1/195 ,  G06F3/0488 ,  G06F3/01 ,  G06K9/20 ,  G06K9/22

CPC classification number: G06F3/0304 ,  G06F3/017 ,  G06F3/0425 ,  G06F3/0483 ,  G06F3/04883 ,  G06K9/2081 ,  G06K9/22 ,  H04N1/19594

Abstract: A mobile terminal including a projector configured to project image information; a capturing unit configured to recognize a writing motion on a paper medium and a writing of a specific symbol in an area selected by the writing motion; and a controller configured to execute a control command for the specific symbol in the selected area if the specific symbol matches a preset symbol, and control the projector to project image information corresponding to a result of the execution of the control command on the area with the written specific symbol.