Samsung Electronics Co., Ltd.

Hyun Bum Kang

Sung Jun Park

Eun Joo Jang

Tae Hyung Kim

Jong Won Chung

Youngjun Yun

Gae Hwang Lee

Jeong Il Park

Yeongjun Lee

Eun Kyung Lee

Eigo Miyazaki

Don-Wook Lee

Joo Young Kim

Yong Wan Jin

Kyung Bae Park

Sung Young Yun

Chul Joon Heo

Jeong Hee Lee

Dae Young Chung

Oul Cho

Yeong Suk Choi

Taejin Choi

Chul Baik

Yun Sung Woo

Sangah Gam

Suk Gyu Hahm

Ji Soo Shin

Yasutaka Kuzumoto

Wanhee Chun

Sungwon Kang

Dukho Do

Namwoo Park

Bongsic Park

John Won Chung

Jeong Ii Park

A stretchable device includes a stretchable substrate, and a plurality of optoelectronic diodes on the stretchable substrate. At least one optoelectronic diode includes a first electrode and a second electrode, and an active layer between the first electrode and the second electrode. The active layer includes a first semiconductor, a second semiconductor having different electrical characteristics from the first semiconductor, and an insulating elastomer.

Stretchable device and electronic device

A bio imaging system includes a substrate, a light source on the substrate, and a sensor on the substrate, wherein at least one of the light source or the sensor is configured to emit or absorb light of different wavelength spectrum. The bio imaging system is configured to combine a plurality of images obtained based on the light of different wavelength spectra to obtain a three-dimensional image of an internal tissue of a living body.

Bio imaging system and bio imaging method

A biosensor includes a stretchable substrate, a pixel defining layer on the stretchable substrate and including a first pixel defining layer at least partially defining a first opening and a second pixel defining layer at least partially defining a second opening, a photo-detecting element at least partially in the first opening, and a first light emitting element at least partially in the second opening, wherein an area of the first pixel defining layer is equal to or greater than about twice an area of the first opening.

Biosensor, biosensor array and device

A biosignal sensor includes a light-emitting element, a photo-detective element configured to detect a biosignal from light reflected from an in-vivo target, a first polarizer configured to selectively transmit light in a first polarization direction, and a second polarizer configured to selectively transmit light in a second polarization direction. The light-emitting element includes a first light-emitting element overlapped with the first polarizer in a vertical direction, the photo-detective element includes a first photo-detective element overlapped with the second polarizer in the vertical direction, the first light-emitting element and the first photo-detective element are parallel to each other along a first direction that is perpendicular to the vertical direction, and the first polarization direction and the second polarization direction are perpendicular to each other.

Biosignal sensor and sensor system and electronic device

A stacked structure for a stretchable device includes a stretchable layer including an elastic polymer, and a conductive layer on the stretchable layer and including a metal, wherein the stretchable layer includes a first depth region and a second depth region sequentially disposed in a depth direction from a surface of the stretchable layer that is in contact with the conductive layer and the first depth region includes the metal.

Stacked structures for stretchable device, stretchable devices, methods of manufacturing the same, display panels, sensors, and electronic devices

A stretchable device includes a stretchable substrate having a plurality of incision lines that are configured to be deformable by an external force applied to the stretchable substrate, a plurality of active elements on the stretchable substrate, and a connection wire configured to electrically connect adjacent active elements of the plurality of active elements, wherein the connection wire includes a metal wire and a conductive elastic structure electrically connected to the metal wire and locally disposed in the connection wire.

Stretchable device, display panel, sensor, and electronic device

Disclosed is a biosensor including a light-emitting element, a photo-detective element, a light transmitting layer under the light-emitting element and the photo-detective element, and an optical structure inside the light transmitting layer and configured to control a propagation direction of light, a biosensor array and a device.

Biosensor and biosensor array and device

Provided are a polymer semiconductor including a first structural unit represented by Chemical Formula 1 and a second structural unit represented by Chemical Formula 2, a stretchable polymer thin film including the same, and an electronic device. Definitions of Chemical Formulas 1 and 2 are as described in the detailed description.

Polymer semiconductors, stretchable polymer thin films, and electronic devices

A bio imaging system includes a plurality of light emitters configured to irradiate light, and a plurality of sensors configured to detect light reflected by an internal tissue of a living body. Each sensor includes a plurality of photo-detecting elements having different absorption peak wavelengths in relation to each other.

Bio imaging systems and bio imaging methods

A photoelectric conversion device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and configured to absorb light in at least one part of a wavelength spectrum of light and to convert it into an electric signal, and an organic auxiliary layer between the first electrode and the photoelectric conversion layer and having a higher charge mobility than a charge mobility of the photoelectric conversion layer. An organic sensor may include the photoelectric conversion device. An electronic device may include the organic sensor.

Photoelectric conversion devices and organic sensors and electronic devices

Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.

Organic thin film and organic thin film transistor and electronic device

A method of making a chemical product includes reacting a compound represented by Chemical Formula 1 with a metal alkyl chalcogenide using a palladium catalyst and a tertiary phosphine catalyst to obtain a first intermediate represented by Chemical Formula 2, obtaining a second intermediate represented by Chemical Formula 3 from the first intermediate, obtaining a third intermediate from the second intermediate and a compound represented by Chemical Formula 4, obtaining a fourth intermediate including a chalcogen-containing ring from the third intermediate, and performing a cyclization reaction of the fourth intermediate to obtain a fused heteroaromatic compound. A fused heteroaromatic compound obtained by the method, an intermediate thereof, and a synthetic method of the intermediate are disclosed.

Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound and intermediate therefor and synthetic method of intermediate

A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.

Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound, and intermediate thereof

A low-molecular-weight fused polycyclic heteroaromatic compound has a compact planar structure in which seven or more aromatic rings and heteroaromatic rings are fused together, and thereby exhibits relatively high charge mobility, and improved processibility due to improved dissolubility for a solvent. An organic thin film and an electronic device include the fused polycyclic heteroaromatic compound expressed in Chemical Formula 1.

Growing community of inventors

Yongin-si, South Korea

Hyun Bum Kang