Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Jaechul Park

Sunil Kim

Youngsoo Park

Jinmyoung Kim

Keewon Kwon

Sangwook Kim

Dongwook Lee

Changbum Lee

Seungeon Ahn

Young Shin Kim

Duhyun Lee

Seunghoon Lee

Byungkyu Lee

Kangho Lee

Dongkyun Kim

Huaxiang Yin

Hong-mook Choi

Changjung Kim

Heonsoo Lee

Yun-Ho Youm

Ihun Song

Youngjin Chung

Kyunghyun Son

Youngkwan Cha

Byounglyong Choi

Yongchul Kim

Jaeshin Lee

Jonghoon Shin

Sanghun Jeon

Eunhye Oh

Mijung Noh

Ingoo Heo

Myoungjae Lee

Hyesoo Lee

Kyungae Kim

Kyoungkook Kim

TongPyo Hong

Provided are semiconductor devices having a three-dimensional stacked structure and methods of manufacturing the same. A semiconductor device includes a plurality of channel structures on a substrate and arranged in a three-dimensional array; a plurality of gate electrodes extending in a direction parallel to the substrate; and a plurality of source and drain electrodes extending in a direction perpendicular to the substrate. The gate electrodes are connected to the channel structures arranged in the direction parallel to the substrate, and the source and drain electrodes are connected to the channel structures arranged in the direction perpendicular to the substrate. The channel structures include a channel layer and a ferroelectric layer on the channel layer.

Semiconductor device having 3D stacked structure and method of manufacturing the same

A semiconductor device includes a semiconductor layer extending in a first direction and including a source region and a drain region, which are apart from each other in the first direction; an insulating layer surrounding the semiconductor layer; a first gate electrode layer surrounding the insulating layer; a ferroelectric layer provided on the first gate electrode layer; and a second gate electrode layer provided on the ferroelectric layer.

Semiconductor device, array structure of semiconductor devices, neuromorphic circuit including the semiconductor devices, and computing apparatus including the neuromorphic circuit

A neuromorphic apparatus includes a three-dimensionally-stacked synaptic structure, and includes a plurality of unit synaptic modules, each of the plurality of unit synaptic modules including a plurality of synaptic layers, each of the plurality of synaptic layers including a plurality of stacked layers, and each of the plurality of unit synaptic modules further including a first decoder interposed between two among the plurality of synaptic layers. The neuromorphic apparatus further includes a second decoder that provides a level selection signal to the first decoder included in one among the plurality of unit synaptic modules to be accessed, and a third decoder that generates an address of one among a plurality of memristers to be accessed in a memrister array of one among the plurality of synaptic layers included in the one among the plurality of unit synaptic modules to be accessed.

Neuromorphic apparatus having 3D stacked synaptic structure and memory device having the same

A device for writing data to a memory, the device including: a first write buffer having a first data width that matches a width of write data included in a write request and wherein the first write buffer is configured to store the write data as first data; a second write buffer having a second data width that matches a data width of the memory and is greater than the first data width; and a controller configured to, based on a write address included in the write request and an address of the second data stored in the second write buffer, write the first data stored in the first write buffer to the second write buffer and write the second data stored in the second write buffer to the memory.

Apparatus and method for writing data in a memory

A method of generating a finger image includes determining a quantity of electric charge to be removed from each of a plurality of detection circuits connected to a fingerprint sensor, based on an amplifier characteristic of each of the plurality of detection circuits; obtaining a second electrical quantity by removing the quantity of electric charge from a first electrical quantity that is input to each of the plurality of detection circuits; integrating the second electrical quantity to obtain an integrated value; and generating the fingerprint image based on comparison between the integrated value of the second electrical quantity and a predetermined threshold value.

Method of generating fingerprint image and fingerprint sensor

A touch sensor includes a plurality of parallel transmitting lines extending in a first direction, a plurality of parallel receiving lines extending in a second direction crossing the first direction, and a transmitting driver configured to, in a first mode, apply first driving signals of a first voltage, to the plurality of transmitting lines, and in a second mode, apply second driving signals of a second voltage, to the plurality of transmitting lines, the second voltage being different than the first voltage. The touch sensor further includes a signal output unit configured to receive touch signals from the plurality of receiving lines.

Fingerprint recognition touch sensor and electronic apparatus including the same

An encryption device includes a counter, an encryption/decryption unit, and a timer. The counter is configured to generate a first timestamp for a first time. The encryption/decryption unit is configured to concatenate security data and the first timestamp, encrypt the concatenated data into encryption data, transmit the encryption data to a memory device, and decrypt read data transmitted from the memory device into decryption data. The timer is configured to inform the counter and the encryption/decryption unit that a time elapses from the first time to a second time such that the counter generates a second timestamp for the second time and the encryption/decryption unit decrypts the read data into the decryption data. Checking logic implemented by the encryption device is configured to check whether a decryption timestamp of the decryption data is identical to the first timestamp.

Encryption device for encrypting data and timestamp, system on chip including the same, and electronic device

Provided are fingerprint/touch sensors and electronic devices including the same. A fingerprint/touch sensor includes: a touch pad; a touch sensing element including a plurality of first touch sensing lines extending in a row direction and a plurality of second touch sensing lines extending in a column direction, different from the row direction, and intersecting the first touch sensing lines, the touch sensing element forming a touch region on the touch pad; a fingerprint sensing element including a plurality of first fingerprint sensing lines extending in the row direction and a plurality of second fingerprint sensing lines extending in the column direction and intersecting the first fingerprint sensing lines, the fingerprint sensing element forming a fingerprint sensing region on the touch pad; a routing unit configured to route signals generated from the touch sensing element and the fingerprint sensing element; and an integrated circuit configured to sense a touch or a fingerprint by processing the signals transmitted from the routing unit.

Fingerprint/touch sensor and electronic apparatus including the same

A path for transmitting encrypted data is completely separated from a path for transmitting unencrypted data. To this end, a virtual secure memory is created on an address space. If a central processing unit (CPU) writes data in the virtual secure memory, hardware stores the data in a specific area of a dynamic random access memory (DRAM) after automatically encrypting the data. In the case where the CPU intents to read data, the hardware sends the data to the CPU after automatically decrypting the data read from a specific area of the DRAM.

Computing system having an on-the-fly encryptor and an operating method thereof

A beam steering device and a system employing the same are provided. The beam steering device includes: waveguides provided on a substrate to form channels through which light is transmitted; a modulators provided on the waveguides and configured to change, according to electrical signals, a phase of the light by changing a refractive index of the light which passes through the waveguides; and a driving circuit configured to provide the electrical signals to the modulators to drive the modulators.

Beam steering device and system employing same

A laser beam steering device for two-dimensionally steering a laser beam may include a refractive index converting layer whose charge concentration is configured to change based on an electric signal applied thereto; an antenna disposed above the refractive converting layer; a laser beam reflecting layer disposed below the refractive index converting layer and including a plurality of cells arranged in a two-dimensional matrix; and a driver disposed below the laser beam reflecting layer and including a plurality of driving circuits respectively connected to the plurality of cells, the plurality of driving circuits being configured to respectively apply electric signals to the plurality of cells.

Laser beam steering device and system including the same

A beam steering device is provided including a p-n junction layer disposed on a reflective electrode layer, wherein a refractive index of the p-n junction layer is variable according to a voltage applied to the reflective electrode layer; a nanoantenna layer including a plurality of components disposed on the p-n junction layer; and a common electrode electrically connected to each of the plurality of components of the nanoantenna. The p-n junction layer may include a p-doped layer and an n-doped layer.

Beam steering device including P-N junction layer

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Yangju-si, South Korea

Jaechul Park