Electronics and Telecommunications Research Institute

Korea Advanced Institute of Science and Technology

Hyunsu Cho

Nam Sung Cho

Byoung-Hwa Kwon

Jin Wook Shin

Hyunkoo Lee

Doo-Hee Cho

Jaehyun Moon

Jonghee Lee

Jeong Ik Lee

Chunwon Byun

Chan-Mo Kang

Sukyung Choi

Byoung Gon Yu

Young Sam Park

Jun-Han Han

Chul Woong Joo

Jong Tae Lim

Chan Woo Park

Seung Youl Kang

Gi Heon Kim

Seung Koo Park

Chil Seong Ah

Jong-Heon Yang

Seongdeok Ahn

Sung Ryul Yun

Sung Haeng Cho

Sujung Kim

Seunghyup Yoo

Sooji Nam

ChangHun Yun

Jin-Wook Shin

O Eun Kwon

Kukjoo Kim

Jeong Lk Lee

Provided is a flexible organic light emitting element that may include a flexible substrate, a circuit element layer on the flexible substrate, an emission layer on the circuit element layer, a first encapsulation structure between the flexible substrate and the circuit element layer, and a second encapsulation structure on the emission layer, wherein the first encapsulation structure includes a first inorganic layer and a first organic layer, which are sequentially stacked on an upper surface of the flexible substrate, and the first organic layer includes a first polymer nanocomposite.

Flexible organic light emitting element including encapsulation structure

A pixel circuit includes a sensing block, a stimulation block, a first line control circuit, and a second line control circuit. The sensing block outputs biometric data of a biosignal in response to a first selection signal. The stimulation block radiates a stimulation signal in response to a second selection signal. The first line control circuit outputs the first selection signal for selecting the sensing block as a target sensing block, and outputs the second selection signal for selecting the stimulation block as a target stimulation block. The second line control circuit processes characteristic data associated with the biometric data and the stimulation signal.

Pixel circuit for radiating stimulation signal and receiving biosignal and electronic device including the same

Provided is a nano structure for controlling optical properties of an optical device. The nano structure includes a substrate, a surface modification layer provided on the substrate to modify surface energy of the substrate, and a capping layer provided on the surface modification layer. The capping layer includes a convex portion having a convex profile away from the surface modification layer and a concave portion that is in contact with the surface modification layer.

Nano structure for controlling optical properties of optical device and method for manufacturing the same

Provided is a display device. The display device includes a substrate having a pixel area including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, a first control layer on the substrate, a second control layer on the first control layer, an intervening layer disposed between the first control layer and the second control layer on the first sub-pixel area and the second sub-pixel area, first quantum dots on the intervening layer of the first sub-pixel area, second quantum dots on the intervening layer of the second sub-pixel area, and an organic layer configured to cover a top surface and a side surface of the intervening layer between the first control layer and the second control layer.

Display device

Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.

Light emitting device including a quantum dot light emitting layer having a first and second ligand on a surface of a quantum dot

A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.

Display device and manufacturing method thereof

The inventive concept provides an organic electronic device and a method of fabricating the same. The organic electronic device includes a flexible substrate configured to include a first region and a second region which are laterally spaced apart from each other, an organic light-emitting diode disposed in the first region of the flexible substrate, and a photodetector disposed in the second region of the flexible substrate, wherein the organic light-emitting diode and the photodetector are disposed on the same plane.

Organic electronic device and method of fabricating the same

Provided is a display device and a manufacturing method thereof. More specifically, the present invention relates to a display device including a nickel oxide thin film co-doped with a copper monovalent cation and a copper divalent cation, and a manufacturing method thereof. The present invention provides a display device including a substrate, a first electrode layer disposed on the substrate, a first common layer disposed on the substrate, a light emitting layer disposed on the first common layer, a second common layer disposed on the light emitting layer, and a second electrode layer disposed on the second common layer, wherein the first common layer includes a nickel oxide thin film co-doped with a first metal cation and a second metal cation, and the oxidation number of the first metal cation and the oxidation number the second metal cation are different from each other.

Provided are a method for manufacturing an integrated substrate for an organic light emitting diode, an organic light emitting diode, and a method for manufacturing an organic light emitting diode, wherein the method for manufacturing an organic light emitting diode may include forming a sacrificial layer on a release substrate, forming a first electrode on the sacrificial layer, forming on the first electrode an auxiliary electrode pattern having an opening, forming a buffer layer on the auxiliary electrode pattern and in the opening, providing a substrate on the buffer layer, removing the release substrate and the sacrificial layer to expose a first surface of the first electrode, and laminating an organic light emitting layer and a second electrode on the first surface of the first electrode.

Method for manufacturing integrated substrate for organic light emitting diode, organic light emitting diode, and method for manufacturing organic light emitting diode

Disclosed are an organic light emitting device and a method of fabricating the same. The method of fabricating an organic light emitting device comprises forming a flexible substrate, and forming an organic light emitting layer on the flexible substrate. The forming the flexible substrate comprises, forming a first polymer pattern on a first metal layer, forming a second metal layer on an exposed portion of the first metal layer through the first polymer pattern, forming a gas barrier layer on the first polymer pattern and the second metal layer, forming a second polymer layer on the gas barrier layer, and removing the first metal layer to expose a surface of the first polymer pattern and a surface of the second metal layer.

Organic light emitting devices and methods of fabricating the same

Provided is a stretchable substrate, an electronic apparatus, and a method of manufacturing the electronic apparatus. The stretchable substrate includes a base part, first parts extruded from the base part, and second parts disposed between two adjacent first parts. The second parts have top surfaces positioned lower than the top surfaces of the first parts, and have wrinkles with random distribution.

Stretchable substrate, electronic apparatus having the stretchable substrate, and method of manufacturing the electronic apparatus

Provided is a method of manufacturing an organic light emitting device, the method including forming a lower electrode on a lower substrate, forming an organic layer on the lower electrode, forming a light extraction layer including an adhesion layer and nanoparticles on an upper substrate, forming an upper electrode on the light extraction layer, and coupling the lower substrate to the upper substrate so that the upper electrode contacts the organic layer. The forming of the light extraction layer includes providing an adhesive between a first sacrificial substrate and the upper substrate, curing the adhesive to form the adhesion layer to form the adhesion layer, and removing the first sacrificial substrate to expose the adhesion layer. The first sacrificial substrate and the upper substrate are coupled to each other by the adhesion layer.

Method of manufacturing organic light emitting device

Provided is an organic light emitting diode including a substrate, a light scattering structure including nano-structures on the substrate, a thin film on the nano-structures, and an air gap between the nano-structures, a planarizing layer covering the thin film and thicker than the thin film, a first electrode on the planarizing layer, an organic emission layer on the first electrode, and a second electrode on the organic emission layer.

Growing community of inventors

Daejeon, South Korea

Hyunsu Cho