Samsung Electronics Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Samsung Display Co., Ltd.

Soulbrain Co., Ltd.

Hyundai Sungwoo Casting Co Ltd

Seowoo Industry Go., Ltd.

Young-chan Kim

Young-gu Jin

Min-Seok Oh

Seung-Ho Nam

Moo-Sup Lim

Eun-Sub Shim

Seung-sik Kim

Seong-Mo Hwang

Moon-Gyu Lee

Dong-Joo Yang

Tae-Han Kim

Yi-Tae Kim

Tae-sub Jung

Sung-Ho Choi

Hong-seok Lee

Dong-sik Park

Kyung-yeup Kim

Jae-hyung Chang

Min-Soo Kim

Jung-Chak Ahn

Ji-Won Lee

Young-Hun Kim

Chang-rok Moon

Tetsuo Asaba

Jee-Hong Min

Dong-ho Wee

Hae-Kyung Kong

Jun-Min Lee

Seong-mo Hwang

Kyu-min Choe

Yong-hun Kwon

Hwa-jun Du

Dong-Hoon Lee

Hoon Hee Han

Kyu-Seok Kim

Dong-Yong Shin

Jin-Hun Kim

Yong Hyun Kim

Hyo-San Lee

Jae-kyu Lee

Jee-hong Min

Oleg Prudnikov

Min-Sun Keel

Jeong-Min Seo

Ji-Yong Lee

Sang-hak Lee

Cheol-Ung Lee

Yoon-Ki Lee

Hyo-Moon Joo

Mun-Gu Kang

Yi-tae Kim

Mi-sook Jang

Jung-hun Lim

Yun-ju Hong

Cheon-yong Cho

Young-Rae Jo

Hong-jae Kim

Jae-Gi Sim

Il-ki Min

Sung-Hoon Kim

Jin-uk Lee

Yong-hyun Kim

Chang-ik Choi

Yong-sul Kim

Heung-jun Park

In-hye Lee

Jong-Ju Lee

Da-Woon Lim

Sang-Bum Park

Jae-Hyun Hwang

Ui-Min Jeong

Jung-ah Kim

Ik-hee Kim

Moo-Sub Lim

Tai-gyu Kim

Byoung-in Choi

Young-Rae Cho

A 3D image sensor include a depth pixel and at least two polarization pixels adjacent to the depth pixel. The depth pixel includes a charge generation region in a substrate. The depth pixel is configured to generate depth information associated with a depth of an object from the 3D image sensor in a 3D scene based on detecting light reflected from the object. Each polarization pixel includes a photodiode in the substrate and a polarizer on the substrate in a light-incident direction. The polarization pixel is configured to generate shape information associated with a shape of a surface of the object in the 3D scene based on detecting light reflected from the object. The polarization pixels and the depth pixel collectively define a unit pixel. The respective polarizers are associated with different polarization directions.

Three-dimensional (3D) image sensors including polarizer, and depth correction methods and 3D image generation methods based on 3D image sensors

A vehicle wheel including a wavelength tube member may include spokes, a cylindrical rim configured to connect both circumferential portions of the spokes, and a wavelength tube member accommodated on the rim between the first and second circumferential portions of the spokes and configured to cancel sound wave generated in a cavity formed between the rim and a tire, wherein the wavelength tube member may include a rim seating portion being in surface-contact with and accommodated on an external surface of the rim; and a plurality of wavelength tube portions formed on the rim seating portion.

Vehicle wheel including wavelength tube member

An image sensor includes a semiconductor substrate including a first surface and a second surface and further includes a well region and a first floating diffusion region that are each adjacent to the first surface. The image sensor includes a first vertical transmission gate and a second vertical transmission gate isolated from direct contact with each other and each extend from the first surface of the semiconductor substrate and in a thickness direction of the semiconductor substrate through at least a portion of the well region. The image sensor includes a first storage gate between the first vertical transmission gate and the first floating diffusion region and on the first surface of the semiconductor substrate. The image sensor includes a first tap transmission gate between the first storage gate and the first floating diffusion region and on the first surface of the semiconductor substrate.

Image sensors for distance measurement

A Time-of-Flight (ToF)-based three-dimensional (3D) image sensor includes at least two first photogates symmetrically arranged in a central portion of a pixel, at least two first gates configured to remove an overflow charge generated in the at least two first photogates, and a first gate group. The at least two first gates are arranged symmetrically in an outer portion of the pixel. The first gate group includes a plurality of gates configured to store and transmit charges generated in the at least two first photogates. The first gate group is arranged in the outer portion of the pixel.

Three-dimensional image sensor based on time of flight and electronic apparatus including the image sensor

An etchant composition and a method of fabricating a semiconductor device, the composition including an inorganic acid; about 0.01 parts by weight to about 0.5 parts by weight of colloidal silica; about 0.01 parts by weight to about 30 parts by weight of an ammonium-based additive; and about 20 parts by weight to about 50 parts by weight of a solvent, all parts by weight being based on 100 parts by weight of the inorganic acid.

Etchant composition and method of fabricating semiconductor device

An image sensor and an electronic apparatus, the image sensor including a plurality of pixels, each pixel of the plurality of pixels including a photodiode and a transfer transistor, a reset transistor, a source-follower transistor, and a selection transistor, which correspond to the photodiode; a plurality of first interconnection lines connected to gates of the transfer transistor, the reset transistor, and the selection transistor, the plurality of first interconnection lines extending in a first direction; and a plurality of second interconnection lines connected to a source region of the selection transistor, the plurality of second interconnection lines extending in a second direction that intersects the first direction, wherein the plurality of second interconnection lines includes dummy lines on a peripheral area that is outside of a pixel area in which the pixels are located.

Image sensor with dummy lines for minimizing fixed pattern noise (FPN) and electronic apparatus including the same

A pixel array in a three-dimensional image sensor includes depth pixels and an ambient light cancellation (ALC) circuit. The depth pixels operate in response to photo control signals having different phases, and generate distance information of an object based on light reflected by the object. The ALC circuit removes an ambient light component from the reflected light, and is shared by the depth pixels. Each depth pixel includes a photoelectric conversion region, a floating diffusion region, a photo gate, and a drain gate. The photoelectric conversion region collects photo charges based on the reflected light. The floating diffusion region accumulates the photo charges. The photo gate is activated in response to one of the photo control signals. The photoelectric conversion region accumulates the photo charges when the photo gate is activated, and the photo charges in the photoelectric conversion region are released when the drain gate is activated.

Pixel array included in three-dimensional image sensor and method of operating three-dimensional image sensor

An image sensor including a light source configured to emit an optical signal to a target object, and a pixel array including a first pixel configured to generate pixel signals based on the optical signal reflected from the target object, the first pixel including a first photo gate group having at least two photo gates that are configured to receive first gate signals with a first phase difference from the optical signal in a time interval and a second photo gate group having at least two photo gates configured to receive second gate signals with a second phase difference from the optical signal in the time interval, may be provided.

Image sensor and image processing system having pixel structure to improve demodulation contrast performance

An image sensor includes unit pixels, and from among the unit pixels, a first unit pixel and a second unit pixel that are adjacent to each other each include a first tap having a first photo gate, to which a first signal having a first phase difference with respect to an optical signal is applied, and a second tap having a second photo gate, to which a second signal having a second phase difference with respect to the optical signal is applied. A location of the first tap in the first unit pixel and a location of the first tap in the second unit pixel, and a location of the second tap in the first unit pixel and a location of the second tap in the second unit pixel are symmetrical with each other based on one point between the first unit pixel and the second unit pixel.

Image sensor including multi-tap pixel

A centrifugal casting apparatus for different materials may include a mold having a shape corresponding to a shape of an outer surface of a casting to be produced, and having a cavity receiving molten metals therein, a molten metal guide inserted into the mold and configured to guide the molten metals so that the molten metals are separately injected into the mold, a guide fixing support fixing the molten metal guide to a predetermined position, and a motor configured to rotate the mold around a rotation axis.

Centrifugal casting apparatus for different materials

An image sensor includes a pixel array including at least one unit pixel configured to generate accumulated charges, a correlated double sampler configured to perform a correlated double sampling operation to extract an effective signal component based on a signal component and a reset component from the unit pixel for at least first and second read-out periods, the correlated double sampler configured to read out an image signal during the first read-out period and to read out a light noise signal during the second read-out period, an analog-digital converter configured to convert the image signal into a first digital signal and to convert the light noise signal into a second digital signal and an image compensator configured to generate a compensated image signal based on the second digital signal and the first digital signal.

Method of driving an image sensor, image sensor employing the same, and portable electronic device including the same

An image sensor is provided including a pixel array, a correlated double sampling (CDS) unit, an analog-digital converting (ADC) unit, a control unit, and an overflow power voltage control unit. The pixel array includes at least one unit pixel that generates accumulated charges corresponding to incident light in a photoelectric conversion period and outputs an analog signal based on the accumulated charges in a readout period. The CDS unit generates an image signal by performing a CDS operation on the analog signal. An ADC unit converts the image signal into a digital signal. A control unit controls the pixel array, the CDS unit, and the ADC unit. An overflow power voltage control unit controls an overflow power voltage to have a low voltage level in the photoelectric conversion period and controls the overflow power voltage to have a high voltage level in the readout period.

Image sensors and related methods and electronic devices

Example embodiments relate to an image sensor supporting a global shutter for minimizing image distortion. An example image sensor includes a semiconductor layer having a first surface and a second surface that are opposite to each other; a photosensitive device, which is formed in the semiconductor layer near the first surface and accumulates charges based on light incident via the second surface; a charge storage device, which is formed in the semiconductor layer near the first surface and temporarily stores charges accumulated by the photosensitive device; a first transmission transistor, which transmits charges accumulated by the photosensitive device to the charge storage device and includes a first gate formed on the first surface of the semiconductor layer; and a leakage photogenerated charge drain region, which is formed in the semiconductor layer near the second surface, is apart from the charge storage device, and is arranged above the charge storage device.

Image sensor

Growing community of inventors

Seongnam-si, South Korea

Young-chan Kim