Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Samsung Display Co., Ltd.

Gwangju Institute of Science and Technology

Chang-jung Kim

I-hun Song

Sun-il Kim

Sang-Wook Kim

Jae-chul Park

Young-soo Park

Young-Bae Kim

Seung-ryul Lee

Man Chang

Dong-Soo Lee

Chang-bum Lee

Seung-eon Ahn

Myoung-jae Lee

Jae-Chul Park

Young Shin Kim

Sang-hun Jeon

Sung-ho Park

Sang-Hun Jeon

Dong-hun Kang

In-kyeong Yoo

Ji-hyun Hur

Kyung-min Kim

Seok-whan Chung

Ho-jung Kim

Dong-sik Shim

Seog-woo Hong

Sung-Ho Kim

Jae-cheol Lee

Sung-hoon Lee

Yong-Woo Jeon

Eun-ha Lee

Eun-ju Cho

Jai-kwang Shin

Do-Hyun Kim

Ki-ha Hong

Young Dug Kim

Jong-seok Kim

Yong-seop Yoon

Huaxiang Yin

Seong-jun Park

Kee-Won Kwon

U-in Chung

Sung-chan Kang

Chae-hun Lee

Dae-kun Yoon

Sae-jin Kim

Ki-Hun Jeong

Je-Hun Lee

Chul-woo Park

Kyung-Min Kim

Byung-Gook Park

Young-Soo Park

Gyu-Hyeong Cho

Jin-Seong Park

Hyun-Sik Kim

Young-Hun Sung

Hyung-jae Shin

Byung-gil Jeong

Kyoung-kook Kim

June-key Lee

Sang-Wook Han

Hyuck Lim

Hyun-Sang Hwang

Sang-wook Kim

Bo-soo Kang

Young-jae Oh

Stefanovich Genrikh

Jun-hyeok Yang

Hyung-joo Kim

Ki-hwan Kim

Dae-woong Kwon

Seung-hyup Lee

Chan-hee Lee

Seung-bum Yang

A breast scanning apparatus which uses photoacoustic ultrasonic waves is provided. The breast scanning apparatus includes a body which includes a first hole and a second hole which are horizontally parallel to each other; a first compression plate and a second compression plate, at least one of which is movable in a vertical direction with respect to the body; a first sliding plate and a second sliding plate, which are respectively installed on surfaces of the first compression plate and the second compression plate and are facing each other and are movable in a first direction; a first ultrasonic transducer array in the first compression plate and facing the first sliding plate; and a first laser head in the first compression plate, which is movable in a second direction which is perpendicular to the first direction.

Breast scanning apparatus using photoacoustic ultrasonic wave

A capacitive micromachined ultrasonic transducer and a method of fabricating the same are provided. The capacitive micromachined ultrasonic transducer includes a device substrate including a first trench defining a plurality of first portions corresponding to an element and a second trench spaced apart from the first trench; a supporting unit provided on the device substrate, the supporting unit defining a plurality of cavities; a membrane provided on the supporting unit to cover the plurality of cavities; a top electrode electrically connected to a second portion in the second trench through a via hole penetrating through the membrane and the supporting unit; and a through silicon via (TSV) substrate provided on a bottom surface of the device substrate, the TSV substrate including a first via metal connected to the plurality of first portions corresponding to the element and a second via metal connected to the second portion.

Capacitive micromachined ultrasonic transducer and method of fabricating the same

A radiation detector may include: a first photoconductor layer including a plurality of photosensitive particles; and/or a second photoconductor layer on the first photoconductor layer, and including a plurality of crystals obtained by crystal-growing photosensitive material. At least some of the plurality of photosensitive particles of the first photoconductor layer may fill gaps between the plurality of crystals of the second photoconductor layer. A method of manufacturing a radiation detector may include: forming a first photoconductor layer by applying paste, including solvent mixed with a plurality of photosensitive particles, to a first substrate; forming a second photoconductor layer by crystal-growing photosensitive material on a second substrate; pressing the crystal-grown second photoconductor layer on the first photoconductor layer that is applied to the first substrate; and/or removing the solvent in the first photoconductor layer via a drying process.

Radiation detectors, methods of manufacturing the radiation detectors, and radiation imaging systems including the radiation detectors

In a simplified light sensing circuit, a light sensing apparatus including the light sensing circuit, a method of driving the light sensing apparatus, and an image acquisition apparatus and optical touch screen apparatus including the light sensing apparatus, the light sensing circuit includes an oxide semiconductor transistor including a channel layer including an oxide semiconductor material, for each pixel. The oxide semiconductor transistor is configured to operate as a light sensing device that senses light and a switch that outputs light sensing data.

Simplified light sensing circuit, light sensing apparatus including the light sensing circuit, method of driving the light sensing apparatus, and image acquisition apparatus and optical touch screen apparatus including the light sensing apparatus

Provided are a laser-induced ultrasound generator and a method of manufacturing the laser-induced ultrasound generator. The laser-induced ultrasound generator includes: a substrate including a plurality of nanostructures provided on a first surface of the substrate; and a thermoelastic layer provided on the first surface of the substrate, the thermoelastic layer being configured to generate an ultrasound by absorbing a laser beam incident onto a second surface of the substrate, the second surface facing the first surface. The nanostructures may be cylinder-shaped nano-pillars.

Laser-induced ultrasound generator and method of manufacturing the same

A capacitive micromachined ultrasonic transducer includes a device substrate including a first trench confining a plurality of first parts corresponding to a plurality of elements and a second trench confining a second part separated from the plurality of first parts, a supporting unit provided on the device substrate for confining a plurality of cavities corresponding to each of the plurality of elements, a membrane provided on the supporting unit to cover the plurality of cavities, an upper electrode provided on the membrane and electrically connected to the second part in the second trench through a via hole passing through the membrane and the supporting unit, and a through-silicon via (TSV) substrate provided on a lower surface of the device substrate, and including a plurality of first via metals connected to the plurality of first parts and a second via metal connected to the second part.

A transistor, a method of manufacturing a transistor, and an electronic device including a transistor are provided, the transistor may include a channel layer having a multi-layer structure. The channel layer may have a double layer structure or a triple layer structure. At least two layers of the channel layer may have different oxygen concentrations.

Transistors, methods of manufacturing a transistor and electronic devices including a transistor

A driver circuit outputs a result of classifying and counting photons based on one or more energy levels to a column line. The driver circuit includes a multiplexer for receiving the result from a counter, a driving inverter for receiving a signal from the multiplexer and a power supply, and a switch connected between the power supply and an input terminal of the driving inverter.

Driver circuit for outputting photon counting including a multiplexer, inverter and power supply

Light-sensing apparatuses may include a light sensor transistor and a switching transistor in a light-sensing pixel, the transistors being oxide semiconductor transistors. In the light-sensing apparatus, the light sensor transistor and the switching transistor in the light-sensing pixel may be adjacently formed on one substrate, the switching transistor including a channel material that is relatively less light-sensitive than the light sensor transistor and is stable, and the light sensor transistor includes a channel material that is relatively light-sensitive. The light sensor transistor may include a transparent upper electrode on a surface of a channel, and a negative voltage may be applied to the transparent upper electrode, whereby a threshold voltage shift in a negative voltage direction may be prevented or reduced.

Light-sensing apparatuses, methods of driving the light-sensing apparatuses, and optical touch screen apparatuses including the light-sensing apparatuses

In one embodiment, the memory element may include a first electrode, a second electrode spaced apart from the first electrode, a memory layer between the first electrode and the second electrode, and an auxiliary layer between the memory layer and the second electrode. The auxiliary layer provides a multi-bit memory characteristic to the memory layer.

Multi-bit memory elements, memory devices including the same, and methods of manufacturing the same

An electro-acoustic transducer includes: a conductive substrate in which a first trench is formed, and which includes an electrode connection unit surrounded by the first trench; a membrane provided on the conductive substrate; an upper electrode provided on the membrane to contact an upper surface of the electrode connection unit; a first electrode provided on a lower surface of the conductive substrate to contact a lower surface of the electrode connection unit; and a second electrode spaced apart from the first electrode and provided to contact the lower surface of the conductive substrate.

Electro-acoustic transducer and method of manufacturing the same

A color optical pen includes a tip unit, a pen body unit attached to the tip unit; a pressure sensor that is disposed in the tip unit and configured to sense at least contact between a display unit of a terminal device and the tip unit; a light source that is disposed in the pen body unit and is configured to output light through the tip unit, if the pressure sensor senses the contact; a color selection switch that is disposed on the pen body, the color selection switch configured to select a color in response to operation by a user; and a driver configured to drive the light source at a frequency or pattern based on operation of the color selection switch.

Color optical pen for electronic panel

A photon-counting detector configured to detect photons included in multi-energy radiation. The photon-counting detector includes a pixel area configured to absorb photons incident thereto, and bias circuits configured to supply one of a bias voltage and a bias current to electronic devices in the pixel area, wherein the bias circuits are in the pixel area.

Photon-counting detector and readout circuit

In one embodiment, a light-sensing apparatus includes a light-sensing pixel array that has a plurality of light-sensing pixels arranged in rows and columns; and a gate driver configured to provide the light-sensing pixels with a gate voltage and a reset signal that have inverted phases. Each of the light-sensing pixels includes a light sensor transistor configured to sense light and a switch transistor configured to output a light-sensing signal from the light-sensor transistor. The gate driver includes a plurality of gate lines connected to gates of the switch transistors, a plurality of reset lines connected to gates of the light sensor transistors, and a plurality of phase inverters each connected between a corresponding reset line and a gate line. Thus, when a gate voltage is applied to one of the plurality of gate lines, a reset signal with an inversed phase to the gate voltage may be applied to a corresponding reset line.

Light-sensing apparatus, method of driving the light-sensing apparatus, and optical touch screen apparatus including the light-sensing apparatus

Growing community of inventors

Yongin-si, South Korea

Chang-jung Kim