Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Sungkyunkwan University

Gwangju Institute of Science and Technology

Jungwoo Kim

Tatsuhiro Otsuka

Byounglyong Choi

Heesun Yoon

Inoh Hwang

Sunil Kim

Changgyun Shin

Duhyun Lee

Byunggil Jeong

Eunkyung Lee

Mingoo Kim

Yongchul Cho

Dongjae Shin

Junghyun Park

Jongbo Shim

Jaehyuk Choi

Sungha Choi

Choongbin Yim

Jihwan Park

Kyoungsei Choi

Jihwang Kim

Suhwook Kim

Jinho Kim

Hongseok Lee

Hoon Song

Jongseok Kim

Jinmyoung Kim

Changbum Lee

Myounghoon Jung

Jinsoo Choi

Jinmin Kim

Sangwon Kim

Taeho Kim

Cheheung Kim

Dongho Kim

Yongdeok Lee

Sungwoo Hwang

Ji-yong Park

Inho Choi

Keechang Lee

Youngjun Yun

Mijun Yoo

Jeong-Kyu Ha

Doohwan Lee

Youngwoo Kwon

Kyunggeun Kim

Seungeon Ahn

Myunghwa Jung

Dokyoon Kim

Kwonhan Bae

Dongwoo Han

Jaewook Song

Kwon Han Bae

Seungman Kim

Yong Deok Lee

Jongwan Kim

Hyuck Choo

Dusik Park

Hoyoung Ahn

Woonbae Kim

Insang Song

Jisan Lee

Chilhee Chung

Hyowon Bae

Daeyoung Chung

Kwangjae Lee

Yongwoo Jeon

Inkyeong Yoo

Hwan Pil Park

Jungsoo Byun

Byongmin Kang

Soohwan Oh

Youngdoo Jung

Cimoo Song

JinGyu Kim

Jiyeon Ku

Junggon Choi

Kyoungsuk Yang

Haeseok Park

Changyul Cheon

Jonghwan Ko

Youngmin Cho

Kwonyoung Kim

Byoungjoong Kang

Seunghyup Lee

Hyunho Kang

Sungah Ahn

Kyihwan Park

Yong-Gyo Seo

Seokjin Kang

Weonjai Choi

Chang Bum Lee

Hyuksoon Choi

Kyoungho Ha

Sungeun Pyo

Byeonghak Kang

Kyuil Lee

Seokhwan Chung

Pilsung Jang

A light detection device may include: a light receiver comprising a plurality of light detectors configured to receive light emitted from a light emitter toward an object and reflected by the object; and a signal processor configured to process an electrical signal according to the light received by the light receiver. The light receiver includes at least one light receiving area, wherein each of the at least one light receiving area includes a plurality of sub-light receiving areas, and the plurality of light detectors are disposed in the plurality of sub-light receiving areas, respectively. The signal processor includes a plurality of transimpedance amplifiers that have a one-on-one correspondence with the plurality of light detectors, and at least one signal summer that has the one-on-one correspondence with the at least one light receiving area.

Light detection device, lidar device including the same, and method of measuring distance

A light detection and ranging (LiDAR) device may sequentially select each of a plurality of memory cells based on a coarse clock synchronized with a start signal generated when light is transmitted, may supply power to a plurality of memory cells based on a stop signal generated when light is received, and may calculate a time of flight (ToF) of light based on information of the power accumulated in the plurality of memory cells.

LiDAR device

A light detection and ranging (LiDAR) apparatus with a wide viewing angle includes: a first rotatable mirror array including a first plurality of inclined mirrors arranged in a circumferential direction; a plurality of light sources configured to emit light toward the first rotatable mirror array; a second rotatable mirror array including a second plurality of inclined mirrors arranged in the circumferential direction, the second rotatable mirror array facing the first rotatable mirror array to reflect the light reflected by the first rotatable mirror array to an outside of the LiDAR apparatus; and a photodetector configured to detect the light reflected by the second rotatable mirror array, wherein the plurality of light sources may be provided in a plurality of sections into which an angle range of 180 degrees or more is divided in equal intervals in the circumferential direction.

Lidar apparatus having wide-viewing angle

A depth map generation apparatus includes: a sensor array including a plurality of sensors configured to detect a received light arrival time; a control circuit array; and a processor configured to divide an acquisition time of at least one of the plurality of sensors into a first time window and a second time window; based on a detection result of the at least one sensor in the first time window and the second time window, generate first sub-frame information; based on the first sub-frame information, determine in which one of the first time window and the second time window an object is detected; generate second sub-frame information from the one of the first time window and the second time window in which the object is detected; and provide the first sub-frame information and the second sub-frame information for generation of an image frame.

Apparatus and method of generating depth map

Disclosed are an image sensor, an operating method thereof, and an electronic device including the image sensor. The image sensor includes a pixel array including a plurality of pixels, a first selection/read-out circuit, a second selection/read-out circuit, and a controller provided to select a pixel of the pixel array and control the first and second selection/read-out circuits to read out information of the selected pixel. The first selection/read-out circuit provides a signal for selecting a pixel of the pixel array in a first direction, reads out a plurality of pixel signals received from the pixel array in a direction corresponding to the first direction, and the second selection/read-out circuit provides a signal for selecting a pixel of the pixel array in a second direction, and reads out a plurality of pixel signals received from the pixel array in a direction corresponding to the second direction.

Image sensor with selective pixel readout, operating method thereof, and electronic device including the same

A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.

LiDAR system and method of driving the same

According to an embodiment, an image sensor using photon counting includes: a plurality of sub-pixels arranged in one pixel; pulse generators which are respectively connected to the plurality of sub-pixels, and are configured to generate pulse signals based on electric signals generated based on photons incident on the plurality of sub-pixels; a synchronizer and serializer configured to synchronize and serialize pulse signals respectively output from the pulse generators; and a counter configured to count and output a number of the pulse signals that are synchronized and serialized.

Image sensor, image acquisition apparatus, and electronic apparatus including the image acquisition apparatus for synchronization and serialization of generated pulses

Provided is a light detection and ranging (LiDAR) device including a light transmitter including a plurality of light sources, each of the plurality of light sources being configured to emit light toward an object, a light receiver including a plurality of light detection elements, each of the plurality of light detection elements being configured to detect reflected light reflected from the object that is irradiated with the light emitted by the plurality of light sources, and the light receiver being configured to remove crosstalk from second detection information output by at least one light detection element of the plurality of light detection elements based on first detection information output by any one of remaining light detection elements of the plurality of light detection elements, and a processor configured to obtain information on the object based on the second detection information with the crosstalk removed.

LiDAR device and method of operating the same

Provided is an image sensor using photon counting, the image sensor including a pixel including a plurality of sub-pixels, a plurality of counters which are respectively connected to the plurality of sub-pixels and configured to count and output a plurality of pulse signals generated based on photons incident on each of the plurality of sub-pixels, and an operator configured to perform an operation on an output value output from each of the plurality of counters.

Image sensor, image acquisition apparatus, and electronic apparatus with improved performance

A light detection and ranging (LiDAR) device may include: an optical phased array configured to modulate a phase of light incident on the optical phased array and emit the light; a first photodetector configured to detect, as a reference light, the light emitted from the optical phased array in a first direction toward the first photodetector, and generate a reference signal based on the reference light; a second photodetector configured to detect, as a target light including information about an object, the light emitted from the optical phased array in a second direction toward the object, and generate a target signal based on the target light; and a processor configured to determine a distance between the LiDAR device and the object based on a cross-correlation between the reference signal and the target signal.

LiDAR device and operating method thereof

Disclosed are an image sensor, a method of sensing an image, and an electronic device including the image sensor. The image sensor includes a pixel array including a plurality of pixels, a readout circuit to read out a plurality of pixel signals received from the pixel array; and a controller to provide control signals to the pixel array, which includes three or more regions, each of the three or more regions having different sizes and control a processing of the plurality of pixel signals read out from the readout circuit based on the control signals provided to the pixel array to obtain an image, wherein the image has a first resolution in a first region, among the three or more regions, and a second resolution in a second region, among the three or more regions, the second resolution being lower than the first resolution.

Image sensor, method of sensing image, and electronic device including the same with different resolutions

Provided are light sensing systems and electronic apparatuses including the light sensing systems. The light sensing system includes a light source unit having a slit-shaped opening and configured to emit light through a slit-shaped opening; and a lens integrated with the light source unit on a surface of the light source unit on which the slit-shaped opening is formed. The lens is configured to make light emitted through the slit-shaped opening into a point light source at a far-field.

Light sensing system and electronic apparatus including the same

An optical scanner includes at least one light source configured to emit light, a steering unit configured to perform scanning in a first direction based on the light emitted from the at least one light source, and a polygon mirror configured to perform, by using the light output from the steering unit, scanning in a second direction different than the first direction based on a rotation of the polygon mirror. The steering unit includes a plurality of first prisms, and each of the plurality of first prisms includes an incident facet configured to pass the light emitted from the at least one light source, and an output facet configured to refract and output the light. The polygon mirror includes a plurality of reflective facets, and each of the plurality of reflective facets is configured to that reflect the light output from the steering unit.

Optical scanner and LIDAR system including the same

Provided are a LiDAR device and a method of operating the LiDAR device. The LiDAR device includes a light-emitting unit configured to emit modulated light onto an object, a light-receiving unit configured to receive the modulated light reflected by the object, a computation unit configured to calculate a distance to the object based on a reception signal of the modulated light provided by the light-receiving unit, a modulation unit configured to provide a modulation signal to the light-emitting unit to generate the modulated light, and a controller configured to control operations of at least one of the light-emitting unit, the light-receiving unit, the computation unit, and the modulation unit.

A semiconductor package substrate includes a substrate having a bottom surface including a cavity structure defined therein. The cavity structure includes a floor surface. A passive device structure has at least a partial portion of the passive device structure disposed in the cavity structure. The passive device structure includes a first passive device and a second passive device that are each electrically connected to the floor surface of the cavity structure. At least partial portions of the first passive device and the second passive device vertically overlap each other.

Semiconductor package substrate and semiconductor package including the same

Growing community of inventors

Hwaseong-si, South Korea

Jungwoo Kim