Samsung Electronics Co., Ltd.

Leland Stanford Junior University

Youngjun Yun

Jong Won Chung

Gae Hwang Lee

Yeongjun Lee

Hyun Bum Kang

Joo Young Kim

Jeong Il Park

Ajeong Choi

Suk Gyu Hahm

Zhenan Bao

Jiyoung Jung

Yasutaka Kuzumoto

Eun Kyung Lee

Don-Wook Lee

Sangah Gam

Won-Jae Joo

Yong Uk Lee

Donghee Son

Jinyoung Oh

Hoon Song

Sang Yoon Lee

Jungwoo Kim

Hong-seok Lee

Jaewon Jang

Hyeyeon Yang

Myounghoon Jung

Woo Young Yang

Byong Gwon Song

Jin Young Oh

Seungeon Ahn

Jesada Ungnapatanin

Young-eal Kim

Naoji Matsuhisa

Orestis Vardoulis

Jiheong Kang

Simiao Niu

Toru Katsumata

Jeong Ii Park

Xuzhou Yan

Hung-Chin Wu

William Burnett

John Won Chung

A polymer may include a first structural unit including a first electron accepting moiety and a first electron donating moiety, a second structural unit including a second electron accepting moiety and a second electron donating moiety. The second electron accepting moiety is different from the first electron accepting moiety. The second electron donating moiety is the same as or different from the first electron donating moiety. The first structural unit is represented by Chemical Formula 1. Chemical Formula 1 is described in the detailed description.

Polymer and stretchable polymer thin film and electronic device

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

An organic thin film transistor includes a gate electrode, an organic semiconductor layer overlapped with the gate electrode, a hydrophilic nanolayer on the organic semiconductor layer, and a source electrode and a drain electrode electrically connected to the organic semiconductor layer.

Organic thin film transistor and method of manufacturing the same and thin film transistor array panel and electronic device

A stretchable strain sensor includes a light-emitting element, an optical structure, and a photo-detective element. The stretchable strain sensor is located in a path of light emitted from the light-emitting element. The optical structure is configured to have optical properties that change in response to stretching of at least a portion of the stretchable strain sensor. The photo-detective element is configured to detect light transmitted through the optical structure or reflected through the optical structure.

Stretchable strain sensor, combination sensor, and display panel and device

A stretchable substrate includes a first elastomer, a plurality of unit devices on the stretchable substrate, a connecting wire configured to electrically connect adjacent unit devices, and a plurality of auxiliary structures each including a second elastomer and each at least partially overlapping with at least one unit device or the connecting wire, wherein the first elastomer and the second elastomer are separate, respective polymers that commonly include at least one structural unit.

Stretchable device and display panel and sensor 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 flexible device includes a substrate including a first region having a first elastic modulus and a second region having a second elastic modulus that is lower than the first elastic modulus, a pixel circuit on the substrate, and a unit device electrically connected to the pixel circuit, wherein the pixel circuit includes a plurality of thin film transistors, a first portion of the plurality of thin film transistors is on the first region of the substrate, and a second portion of the plurality of thin film transistors is on the second region of the substrate.

Flexible device 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 system includes a stretchable layer having a first elastic modulus, a plurality of unit devices under or on the stretchable layer, and a stretch controlling layer being geometrically stretchable, the stretch controlling layer having a second elastic modulus higher than the first elastic modulus.

Stretchable device system and electronic device

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

A stretchable strain sensor may exhibit wavelength selectivity according to a thickness change of a thickness of the stretchable strain sensor, in a thickness direction extending parallel to the thickness of the stretchable strain sensor, due to elongation of the stretchable strain sensor in an elongation direction extending perpendicular to the thickness direction. The stretchable strain sensor may have an emission spectrum that changes according to strain variation of a strain on the stretchable strain sensor.

Stretchable strain sensors and devices

Growing community of inventors

Yongin-si, South Korea

Youngjun Yun