Electronics and Telecommunications Research Institute

Korea Institute of Machinery & Materials

Korea Electrotechnology Research Institute

Unitex Co., Ltd

Doo-Hee Cho

Jeong Ik Lee

Jaehyun Moon

Jun-Han Han

Jin Wook Shin

Nam Sung Cho

Chul Woong Joo

Byoung Gon Yu

Hye Yong Chu

Jin Huh

Jonghee Lee

Joo Hyun Hwang

Seung Koo Park

Young Sam Park

Jong Tae Lim

Hyunkoo Lee

Hyunsu Cho

Joon Tae Ahn

Seongdeok Ahn

Byoung-Hwa Kwon

Chi-Sun Hwang

Sang Hoon Cheon

Hojun Ryu

Kibong Song

Sang Su Lee

Kyong-Hon Kim

Yong-Gyu Choi

Seung Youl Kang

Chil Seong Ah

Ji-Young Oh

Tae-Youb Kim

Juhee Song

Jeong Dae Suh

HongKyw Choi

Keongam Kim

Sunghoon Jung

Chan Woo Park

Jae Bon Koo

Yong Hae Kim

Kyung Soo Suh

Myung Lae Lee

Kyong Hon Kim

Seong-Mok Cho

Jae-Eun Pi

Joo Yeon Kim

Chunwon Byun

Sung Haeng Cho

Jeho Na

Yong Gyu Choi

Geon-woong Lee

Sooji Nam

Do-Geun Kim

Young-Sam Park

Myung Gi Lee

Joong-Tak Han

Boong Joon Lee

Bong Joon Lee

Kyeongam Kim

Jong-Bae Kim

Dong-Sung Lim

Jeong Lk Lee

Jong Chan Jeong

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 method for producing hexagonal tungsten oxide, the method including preparing an alkaline solvent having a pH of 8 to 9, which contains at least one of water or alcohol, adding tungsten chloride to the alkaline solvent to form a first reaction solution, adding an additive to the first reaction solution to form a second reaction solution, and adding strong acid to the second reaction solution to form nanoparticles. The additive includes any one of an amine compound having 1 to 8 carbon atoms or an aliphatic hydrocarbon derivative having 10 or more carbon atoms.

Method for producing hexagonal tungsten oxide and method for producing electrochromic device including the same

Provided is an electrochromic display device including: a first substrate; a second substrate on the first substrate; an electrolyte layer disposed between the first substrate and the second substrate; a first transparent electrode provided between the electrolyte layer and the first substrate; second transparent electrodes provided between the electrolyte layer and the second substrate; a first electrochromic layer provided between the first transparent electrode and the electrolyte layer; and a second electrochromic layer provided between the second transparent electrodes and the electrolyte layer, wherein the second transparent electrodes each extend in a first direction and be disposed apart from each other in a second direction perpendicular to the first direction, the second electrochromic layer extends between the second transparent electrodes and contacts a lower surface of the second substrate, the first electrochromic layer includes an inorganic electrochromic material, and the second electrochromic layer includes an organic electrochromic material.

Electrochromic display device

Provided is a pressure sensitive display device including a sensing substrate, a reaction substrate provided on the sensing substrate, and spacers provided between the sensing substrate and the reaction substrate to space the sensing substrate apart from the reaction substrate. Here, the sensing substrate includes a flexible substrate and a touch electrode provided on one surface of the flexible substrate, which faces the reaction substrate. The reaction substrate includes a transparent substrate, a transparent electrode provided on one surface of the transparent substrate, which faces the sensing substrate, and a light emitting layer disposed on the transparent electrode.

Pressure sensitive display device having touch electrode and light emitting layer

Provided is a biometric information measurement method. The method includes providing a bio-material including at least one of cells and tissues, contacting a first electrode and a second electrode with the bio-material and applying a first electrical signal and a second electrical signal to the bio-material, sensing a third electrical signal from the bio-material, and analyzing an oxygen concentration in the bio-material from the third electrical signal.

Biometric information measurement method and biometric information measurement system

Provided are a flexible electronic device including device units, a first etching preventing layer provided on the device units, a conductive line provided on the first etching preventing layer and electrically connected to the device units, a flexible substrate covering the conductive line on the first etching preventing layer and the conductive line, a trench separating the device units and exposing a portion of a bottom surface of the first etching preventing layer and a side surface of each of the device units, and a flexible protective layer conformally covering a bottom surface of each of the device units and an inside of the trench, wherein each of the device units includes a protective substrate, driving parts provided on the protective substrate, and a first encapsulation layer configured to cover the driving parts, and a manufacturing method thereof.

Flexible electronic device including conformal flexible protective layer

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 are an optical device and a manufacturing method thereof. The method of manufacturing an optical device may include providing a substrate structure, and depositing an array including curved structures on the substrate structure. The curved structures may include a crystalline organic compound.

Optical device and methods for manufacturing the same

A composition for forming film having wrinkle structure and a method of forming the film are disclosed. The composition includes photo-curable agent and photoinitiator dissolved in the photo-curable agent. The cut off wavelength of light transmittance of the photo-curable agent is greater than the cut off wavelength of light absorbance of the photoinitiator. Photo-cured thin film is formed at the upper portion of composition layer at an initial time period of irradiation. By subsequent contraction, the photo-cured thin film forms wrinkles. The wrinkle structure is controlled by the relation of the cut off wavelength of light transmittance of the photo-curable agent and the cut off wavelength of light absorbance of the photoinitiator, the photo-curing rate of the composition and the thickness of the composition layer, and the photoinitiator concentration, etc., before photo-curing. The film may increase the emission efficiency of LED and OLED and the sensing effect of sensor.

Composition for forming film having wrinkle structure and method of forming the film

Embodiments of the inventive concepts provide a method of fabricating a flexible substrate and the flexible substrate fabricated thereby. The method includes printing a gate catalyst pattern on a separation layer, forming a gate plating pattern on the gate catalyst pattern, forming a gate insulating layer on the gate plating pattern, printing a source catalyst pattern and a drain catalyst pattern spaced apart from each other on the gate insulating layer, and forming a source plating pattern and a drain plating pattern on the source catalyst pattern and the drain catalyst pattern, respectively.

Method of fabricating a flexible substrate and the flexible substrate fabricated thereby

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

Provided is a method for manufacturing an electronic device including a transparent conductive structure, the method including preparing a transparent electrode in which, among a first region and a second region, the first region is selectively surface-modified, preparing a mixed composition including a first composition and a second composition having a different polarity from the first composition, and applying the mixed composition onto the transparent electrode, wherein the applied mixed composition is disposed in the surface modified first region, and the mixed composition disposed in the first region is phase-separated into a first composition layer and a second composition layer disposed on the first composition layer.

Method for manufacturing electronic element including transparent conductive structure

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 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 diodes (OLED) and method of manufacturing the OLED. The OLED includes: a substrate; a light scattering layer having an uneven shape on the substrate; a transparent electrode film provided directly on and in contact with the light scattering layer; an organic light emitting layer on the transparent electrode film; and an electrode on the organic light emitting layer. The method of manufacturing the OLED includes: disposing a light scattering layer on a substrate; providing a transparent electrode film on the light scattering layer; and transferring the transparent electrode film to be directly on and in contact with the light scattering layer.

Method of manufacturing organic light emitting diode with light-scattering layer

Growing community of inventors

Daejeon, South Korea

Doo-Hee Cho