Electronics and Telecommunications Research Institute

Hojun Ryu

Chi-Sun Hwang

Chil Seong Ah

Seong-Mok Cho

Tae-Youb Kim

Jeong Ik Lee

Yong Hae Kim

Sang Hoon Cheon

Juhee Song

Hye Yong Chu

Jae Bon Koo

Joo Yeon Kim

Gi Heon Kim

Doo-Hee Cho

Nam Sung Cho

Won Jae Lee

Jong-Heon Yang

Chul Am Kim

Jong Tae Lim

Chunwon Byun

Dong Woo Suh

Sujung Kim

Yongwoo Park

Yeungjoon Sohn

Seung Youl Kang

Kyoung Ik Cho

Chan Woo Park

Seung Koo Park

Jaehyun Moon

Joon Tae Ahn

Kyung Soo Suh

Myung Lae Lee

Jin Wook Shin

Jun-Han Han

Chul Woong Joo

Seongdeok Ahn

Ji-Young Oh

Sung Bock Kim

Sang Chul Lim

Jin Huh

Sang Hee Park

Jonghee Lee

Mun Cheol Paek

Hyeon-Bong Pyo

Hyunkoo Lee

Byoung-Hwa Kwon

Joo Hyun Hwang

Hyeon Bong Pyo

Dongwoo Suh

Himchan Oh

Mun-Cheol Paek

Seung Youl Lee

Jisu Han

Provided is a method of manufacturing a thin film electrode for an electrochromic device, and an electrochromic device manufactured thereby. Specifically, a method of manufacturing a thin film electrode for an electrochromic device includes: synthesizing insoluble Prussian blue nanoparticles; adding a surfactant to the insoluble Prussian blue nanoparticles to form water-soluble Prussian blue nanoparticles; adding a solvent and a binder to the water-soluble Prussian blue nanoparticles to form a mixed solution; applying the mixed solution onto an electrode; and performing a drying process on the electrode applied with the mixed solution, wherein the drying process may be performed at 15° C. to 30° C.

Method of manufacturing thin film electrode for electrochromic device and electrochromic device including 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 an active camouflage device including a reflective layer, a first electrode disposed on the reflective layer, a second electrode facing the first electrode, and an electrolyte provided between the first and second electrodes. The first electrode includes a transparent electrode, and the second electrode includes a metal mesh.

Active camouflage device

Provided is a reversible electrochemical mirror including a first substrate and a second substrate, which face each other, a first transparent electrode disposed on the first substrate and facing the second substrate, a second transparent electrode disposed on the second substrate and facing the first transparent electrode, an electrolyte solution interposed between the first transparent electrode and the second transparent electrode, and a counter electrode material layer disposed on the second transparent electrode and contacting the electrolyte solution.

Reversible electrochemical mirror

An electrochromic mirror includes a first electrode structure, a second electrode structure provided on the first electrode structure, and an electrolyte provided between the first and second electrode structures. Here, the first electrode structure further includes a metal layer, a graphene layer disposed on the metal layer, and an interface part disposed between the metal layer and the graphene layer. The interface part includes a micro/nano-porous polymer material.

Electrochromic mirror

Disclosed is an optical modulator. An optical modulator comprises a substrate, an upper transparent electrode on the substrate, a partition wall providing a chamber between the substrate and the upper transparent electrode, an optical modulation member provided in the chamber and disposed on the substrate, and an electrolyte filling the chamber and including a first metal in an ionic state. The optical modulation member comprises a reflection layer on the substrate, and a lower transparent electrode on the reflection layer.

Optical modulators

Provided is a transparent display apparatus including a lower panel on which a shutter region and a light emitting region are horizontally disposed, an upper panel including a recessed region configured to cover the shutter region and the light emitting region to face the lower panel, a light emitting device, and a shutter device. The shutter device includes a lower electrode and an electrochromic material layer that are sequentially laminated in the shutter region of the lower panel, an upper electrode disposed in the recessed region of the upper panel, and an electrolyte layer filled between the electrochromic material layer and the upper electrode.

Transparent display apparatus

Provided is a display device. The display device includes a lower display element where a substrate, a first lower electrode, a liquid crystal part, and a second lower electrode are sequentially stacked, an upper display element stacked vertical to the lower display element, where a first upper electrode, a light emitting part, a second upper electrode, and a protective part are sequentially stacked, and a middle part configured to deliver a driving signal to the lower and upper display elements, between the lower and upper display elements.

Display device and method of fabricating the same

Provided is an electrochromic device, which may prevent a damage of an electrode and include a lower substrate and an upper substrate configured to face each other with an electrolyte layer therebetween, an upper electrode provided between the electrolyte layer and the upper substrate, a lower electrode provided between the electrolyte layer and the lower substrate, an upper ion reactive layer provided between the upper electrode and the electrolyte layer, and a lower protection layer provided between the lower electrode and the electrolyte layer and configured to prohibit the lower electrode and the electrolyte layer from contacting.

Electrochromic device capable of preventing damage of electrode

Provided are a display device and a method of manufacturing the same. The display device includes a first substrate, a second substrate facing the first substrate and separated from the first substrate, a plurality of liquid crystal parts disposed between the first and second substrates, and separated in a horizontal direction from each other, spacers for separating the liquid crystal parts between the first and the second substrates, and immobilization patterns disposed in each of the liquid crystal parts, and including an optically active material.

Display device and method of manufacturing the same

Provided are a spatial light modulator (SLM) and a method of fabricating the same. The complex spatial light modulator includes a thin film transistor (TFT) layer provided on a substrate, an amplitude type SLM and a phase type SLM electrically connected to the TFT layer, and a first polarizer provided on the phase type SLM, wherein the TFT layer includes transistors electrically connected to the amplitude type SLM and the phase type SLM, respectively, and the amplitude type SLM and the phase type SLM are commonly and electrically connected to the TFT layer and driven.

Complex spatial light modulator and method of fabricating the same

Provided is a reversible electrochemical mirror including a first substrate, a second substrate on the first substrate and spaced apart from the first substrate, a first transparent electrode on the first substrate, a second transparent electrode under the second substrate, a semi-transmissive film between the second substrate and the second transparent electrode, a barrier rib having a chamber between the first and second transparent electrode and an electrolyte solution filled in the chamber.

Provided is an electrochromic device and a method for driving the electrochromic device, the electrochromic device including a first electrode, a first electrochromic layer, an electrolyte layer, a second electrochromic layer, and a second electrode which are laminated in sequence, at least one selected from among the group consisting of the first and second electrochromic layers and the electrolyte layer including scattering particles, and the electrochromic device further including an additional layer that contains the scattering particles and is disposed between the electrolyte layer and the first or second electrochromic layer.

Electrochromic device

Provided is an electrochromic device including a first electrochromic layer, which includes a first nanostructure having first pores and first electrochromic molecules provided on the first nanostructure, on a first electrode, an electrolyte disposed on a top surface of the first electrochromic layer and extending to first recessed portions of the first electrochromic layer, and a second nanostructure disposed on the electrolyte. The first nanostructure may have the first recessed portions in a top surface thereof. The second nanostructure may have second pores therein and second recessed portions in a bottom surface thereof.

Electrochromic devices and method of manufacturing the same

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Seoul, South Korea

Hojun Ryu