Lg Electronics Inc.

Chaedeok Lee

Junhak Lee

Seonghong Park

Seonghyok Kim

Hyungchul Won

Jongmyoung Park

Woodeok Joo

Soohyun Kim

Sangchul Lee

Heonmin Lee

Kangmin Kim

Seonghak Moon

Hyunho Oh

Sangwon Seo

Wonki Yoon

Kangsun Lee

Hyoungkil Yoon

Oedong Kim

Jiho Yoo

Sunghyun Yi

Myungwon Kim

Hyunoh Kang

Hyekyoung Seo

Hyungseok Bang

The present invention relates to a beam steering device for steering a beam without a physical movement, the beam steering device comprising: a light source unit for irradiating parallel light; and a phase control array for controlling a reflection angle of the parallel light irradiated from the light source unit, wherein the phase control array comprises a plurality of cells in a region where the parallel light is irradiated, and the reflection angle is controlled by controlling the phase of light reflected by each of the plurality of cells.

Beam steering device

The present invention relates to a dust measurement device for implementing a dust distribution image through a non-coplanar stereo vision camera, and provides a dust measurement device comprising: a stereo vision camera which includes a first camera for obtaining a true color image and a second camera for obtaining an infrared image; a control unit for generating a fine dust distribution image by using a light amount ratio of the amount of light obtained from a first pixel array of the first camera to the amount of light obtained from a second pixel array of the second camera; and a display device for outputting the fine dust distribution image.

Dust measurement device

The present invention provides an image processing apparatus comprising: a first camera obtaining a true-color image by capturing a subject; a second camera spaced apart from the first camera and obtaining an infrared image by capturing the subject; and a control unit connected to the first camera and the second camera, wherein the control unit matches the true-color image and the infrared image and obtains three-dimensional information of the subject by using the matched infrared image in a region corresponding to the matched true-color image and a valid pixel.

Non-same camera based image processing apparatus

A composite sensor for sensing gas and dust by using a single heat source, according to an embodiment of the present invention, can comprise: a base; a gas sensor module comprising a gas sensor and a first light source in a first space; a dust sensor module comprising a dust sensor, a lens, and a second light source in a second space; and a heat transfer wall for transferring heat generated by the first light source to the dust sensor module.

Composite sensor for sensing gas and dust by using single heat source

A digital device including a camera unit; a display unit; and a controller configured to in response to a request to execute a first application on the digital device having a first security authentication level, control the camera unit to capture face image data of a target and perform a first authentication process by comparing the captured face image data with prestored face image data; and in response to a request to execute a second application on the digital device having a second security authentication level more secure than the first authentication level, control the camera unit to capture vein image data of a particular body part of the target, and perform the first authentication process and a second authentication process by comparing the captured vein image data with prestored vein image data.

Digital device and biometric authentication method therein

Disclosed is a foot vein authentication device comprising: a body part having a front surface and a rear surface and on which the foot of a user is placed on the front surface; a sensor unit arranged on any one area of the body part and formed so as to detect a vein pattern on the inside of the foot of the user; and a control unit for carrying out a user authentication procedure by comparing the vein pattern received from the sensor unit, with the pre-stored vein pattern of the user, wherein the sensor unit comprises: a light source unit for emitting infrared rays at the inside of the foot of the user; and an image acquisition unit for acquiring, as an image, the vein pattern on the inside of the foot of the user, at which the infrared rays are emitted, so as to transmit the same to the control unit.

Foot vein authentication device

A biometric authentication device including an infrared luminescent unit configured to emit infrared light with an infrared wavelength; a depth sensing unit configured to receive the infrared light reflected on a vein of an object placed within a preset distance of the depth sensing unit; a controller configured to control the depth sensing unit to obtain a first vein image of a first object and calculate a first distance value corresponding to a first distance between the depth sensing unit and the first object, and store the first vein image and the first distance value in a memory as registration information.

Biometric authentication device

A digital device including a camera unit; and a controller configured to in response to a request to execute a first application on the digital device having a first security authentication level, control the camera unit to capture first vein image data at a first depth of a particular body part of a target and perform a first authentication process by comparing the captured first vein image data with prestored first vein image data, and in response to a request to execute a second application on the digital device having a second security authentication level more secure than the first authentication level, control the camera unit to capture second vein image data at a second depth of the particular body part of the target and perform the first authentication process and a second authentication process by comparing the captured second vein image data with prestored second vein image data.

Disclosed are a wearable device and controlling method thereof. The present invention includes a flexible surface light source, a photo panel located on a top surface of the flexible surface light source, and a controller coupled with the flexible surface light source and the photo panel. The controller is configured to detect a first biometric image by controlling the flexible surface light source and identify a user by comparing the detected first biometric image to a second biometric image previously saved in a memory.

Wearable device and controlling method thereof

A flexible sensor module, includes: a sensing unit formed on a first substrate so as to be exposed to the outside, and configured to measure external environment information; a solar cell disposed on the first substrate together with the sensing unit, and configured to generate a power by receiving light; a wireless communication unit disposed at one side on the first substrate, and configured to transmit the information measured by the sensing unit to an external server; and a chemical cell disposed at another side on the first substrate, charged by receiving the power from the solar cell, and configured to supply the power to the sensing unit and the wireless communication unit, wherein the solar cell includes: a compound layer disposed on the second substrate, and configured to generate the power to be supplied to the sensing unit by receiving light; and a metallic electrode formed on the compound layer.

Growing community of inventors

Seoul, South Korea

Chaedeok Lee