公开(公告)号：US09841617B2

公开(公告)日：2017-12-12

申请号：US14492733

申请日：2014-09-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongchul Cho ,  Yongtak Lee ,  Byunghoon Na ,  Changyoung Park ,  Gunwu Ju ,  Yonghwa Park

IPC: H01L31/00 ,  H01L33/00 ,  H01L29/66 ,  H01L29/04 ,  H01L29/40 ,  G02F1/03 ,  G02F1/017 ,  H01L31/0352 ,  H01L31/075 ,  H01L31/105 ,  H01L33/58 ,  H01L23/532 ,  H01L33/10 ,  H01L33/04 ,  H01L33/62 ,  H01L23/528 ,  G02F1/1335 ,  H01L33/46 ,  H01L33/60 ,  H01L33/42 ,  H01L33/50 ,  B82Y20/00 ,  G02F1/015

CPC classification number: G02F1/01725 ,  B82Y20/00 ,  G02F1/133605 ,  G02F2001/0157 ,  G02F2001/01733 ,  G02F2001/0175 ,  G02F2001/01766 ,  H01L23/528 ,  H01L23/53223 ,  H01L31/00 ,  H01L31/035236 ,  H01L31/075 ,  H01L31/105 ,  H01L33/04 ,  H01L33/10 ,  H01L33/42 ,  H01L33/46 ,  H01L33/502 ,  H01L33/58 ,  H01L33/60 ,  H01L33/62 ,  H01L2224/05124 ,  H01L2924/00 ,  H01L2924/00014 ,  H01L2924/12042 ,  Y02E10/548 ,  Y10S977/755

Abstract: An optical device includes an active layer that includes at least two outer barriers and at least one coupled quantum well that is inserted between the at least two outer barriers. Each coupled quantum well includes at least three quantum well layers and at least two coupling barriers that are respectively provided between the at least three quantum well layers. Thicknesses of two quantum well layers disposed at opposite end portions of the at least three quantum well layers are less than a thickness of the other quantum well layer disposed between the two quantum well layers disposed at the opposite end portions. A bandgap of the two quantum well layers disposed at the opposite end portions may be higher than a bandgap of the other quantum well layer disposed between the two quantum well layers.

公开(公告)号：US09699377B2

公开(公告)日：2017-07-04

申请号：US14696698

申请日：2015-04-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo You ,  Yonghwa Park ,  Heesun Yoon ,  Myungjae Jeon

IPC: H04N5/232 ,  G06K9/00 ,  H04N5/225 ,  H04N5/222 ,  G06T7/521

CPC classification number: H04N5/23229 ,  G06K9/00355 ,  G06K9/2036 ,  G06T7/521 ,  G06T2207/10016 ,  G06T2207/10152 ,  G06T2207/30196 ,  H04N5/2226 ,  H04N5/2256

Abstract: A gesture detecting apparatus including a light emitter configure to emit light towards an object, a camera configured to capture light emitted from the light emitter and reflected by the object, and a signal controller configured to control the light emitter and the camera, in which the light emitter comprises a first light and second light, at least one of which is configured to emit light having non-monotonic intensity characteristics.

公开(公告)号：US09678403B2

公开(公告)日：2017-06-13

申请号：US15053145

申请日：2016-02-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sanghun Lee ,  Changyoung Park ,  Yonghwa Park

IPC: G02F1/21 ,  G02F1/017 ,  G02F1/03 ,  G02B26/02 ,  G02B26/04 ,  G02F1/015 ,  G02B5/00 ,  H01L51/50

CPC classification number: G02F1/218 ,  G02B5/003 ,  G02B26/02 ,  G02B26/04 ,  G02F1/017 ,  G02F1/01716 ,  G02F2001/0157 ,  G02F2001/213 ,  G02F2201/124 ,  G02F2201/34 ,  G02F2201/346 ,  H01L51/5008

Abstract: A transmissive optical shutter includes a first contact layer provided on a substrate; a plurality of stacks provided on the first contact layer, each stack of the plurality of stacks including a first reflective layer, an active layer, a second reflective layer, and a second contact layer sequentially provided on the first contact layer; a first electrode provided on the first contact layer; and a plurality of second electrodes respectively provided on corresponding second contact layers of the second contact layers of the plurality of stacks, each second electrode of the plurality of second electrodes being comb-shaped.

公开(公告)号：US20220236734A1

公开(公告)日：2022-07-28

申请号：US17724225

申请日：2022-04-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Namseop Kwon ,  Yonghwa Park ,  Jisan Lee ,  Myungjae Jeon

IPC: G05D1/00 ,  G01S17/89 ,  G01S17/04 ,  G01S17/931 ,  G01S7/481 ,  G05D1/02

Abstract: Provided are non-uniform light-emitting lidar (light detection and ranging) apparatuses and autonomous robots including the same. A lidar apparatus may include a light source configured to emit light, an optical unit arranged on an optical path of light emitted from the light source and configured to change an optical profile of the light to be non-uniform, and a 3D sensor configured to sense location of an object by receiving reflection light from the object.

公开(公告)号：US10760906B2

公开(公告)日：2020-09-01

申请号：US15081407

申请日：2016-03-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo You ,  Yonghwa Park ,  Heesun Yoon ,  Myungjae Jeon

IPC: G01C3/08 ,  G01S17/89 ,  G01S7/481 ,  G01S17/36

Abstract: An apparatus and method for obtaining a depth image are provided. The apparatus may include a light source configured to emit first light to a first region of an object for a first time period and emit second light to a second region of the object for a second time period, the first light and the second light respectively being reflected from the first region and the second region; and an image obtainer configured to obtain a first partial depth image based on the reflected first light, obtain a second partial depth image based on the reflected second light, and obtain a first depth image of the object based on the first partial depth image and the second partial depth image.

公开(公告)号：US10545237B2

公开(公告)日：2020-01-28

申请号：US15472804

申请日：2017-03-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongchul Cho ,  Namseop Kwon ,  Yonghwa Park

IPC: G01S17/08 ,  G01S7/481

Abstract: A method of acquiring distance information about a subject is provided. The method may include: determining a number of a plurality of lights to be emitted to the subject; emitting the determined number of the plurality of lights to the subject; modulating the plurality of lights returning from the subject; determining a weight based on at least one of the plurality of lights emitted to the subject and an emission order of the plurality of lights; and acquiring distance information about the subject by applying the weight to each of the modulated plurality of lights. According to the method, an error is efficiently reduced based on the number of the plurality of lights projected onto the subject.

公开(公告)号：US10509125B2

公开(公告)日：2019-12-17

申请号：US15209123

申请日：2016-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yonghwa Park ,  Heesun Yoon ,  Jisan Lee

IPC: G01C3/08 ,  G01S17/32 ,  G01S17/89

Abstract: A method of acquiring distance information is provided. The method includes determining a projecting order of different projected lights to be sequentially projected onto an object, based on a position of the object and/or an external input, sequentially projecting the different projected lights onto the object in the determined projecting order, obtaining modulated reflected lights by modulating the reflected lights reflected by the object; and acquiring information about a distance between the device and the object based on the modulated reflected lights.

公开(公告)号：US10401969B2

公开(公告)日：2019-09-03

申请号：US15824163

申请日：2017-11-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heesun Yoon ,  Jangwoo You ,  Myungjae Jeon ,  Yonghwa Park

IPC: G06F3/01 ,  G06F1/16 ,  G06F3/03 ,  G06F3/042 ,  G06F3/0488

Abstract: Provided is an apparatus and method of recognizing a movement of a subject. The apparatus includes a light source configured to emit light to the subject and an image sensor configured to receive light reflected from the subject. The apparatus includes a processor configured to detect a pixel that is receiving the reflected light, the pixel being included in a pixel array of the image sensor. The processor is configured to track the movement of the subject based on a change in a position of the detected pixel.

公开(公告)号：US10356380B2

公开(公告)日：2019-07-16

申请号：US15140716

申请日：2016-04-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo You ,  Yonghwa Park ,  Heesun Yoon ,  Myungjae Jeon

IPC: H04N13/00 ,  H04N5/225 ,  H04N13/106 ,  H04N13/296 ,  H04N5/353 ,  G01S17/36 ,  G01S17/89 ,  G01S7/481 ,  G01S7/491 ,  H04N13/254 ,  H04N5/33

Abstract: An apparatus and a method for acquiring depth information are disclosed. To acquire depth information, illumination light of which an amount of light has been modulated by a modulation signal is emitted towards a subject, and an image is captured using an image sensor. An image signal is sequentially acquired from a plurality of rows while shifting a phase of the illumination light at a start exposure time of a row belonging to an intermediate region of a pixel array region of the image sensor. Depth information is calculated from image signals acquired during a plurality of frames while shifting a phase of the modulation signal.

公开(公告)号：US10264240B2

公开(公告)日：2019-04-16

申请号：US15196710

申请日：2016-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myungjae Jeon ,  Yonghwa Park ,  Jangwoo You ,  Yongchul Cho

IPC: H04N13/02 ,  G01S17/08 ,  G01S17/89 ,  H04N13/271 ,  H04N13/207 ,  H04N13/254 ,  H04N13/296 ,  G01S17/36 ,  G01S7/481 ,  G01S7/497

Abstract: A depth image generating apparatus includes a light source configured to emit light; an optical shutter provided on a path of the light reflected by an object and configured to modulate a waveform of the reflected light by changing a transmissivity of the optical shutter with respect to the reflected light; a driver configured to apply a driving voltage to the light source and a driving voltage to the optical shutter; a temperature measurer configured to measure a temperature of the optical shutter; a controller configured to control driving voltages; and a depth information obtainer configured to generate an image corresponding to the reflected light that passes through the optical shutter, extract a phase difference between a phase of the light emitted by the light source to the object and a phase of the reflected light, and obtain depth information regarding the object based on the phase difference.