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公开(公告)号：US20180011384A1
公开(公告)日：2018-01-11
申请号：US15462576
申请日：2017-03-17
Inventor： Seong-Mok CHO , Tae-Youb KIM , Seung Youl LEE , Yong Hae KIM , Hojun RYU , Juhee SONG , Chil Seong AH , Jeong Ik LEE , Chi-Sun HWANG
IPC: G02F1/15 , G02F1/157 , G02F1/155 , G02F1/161 , G02F1/1335
CPC classification number: G02F1/1506 , G02B26/06 , G02F1/133553 , G02F1/15 , G02F1/155 , G02F1/157 , G02F1/161 , G02F2203/12 , G03H1/00 , G03H1/02 , G03H2001/0224 , G03H2225/32 , H04N13/00
Abstract: 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.
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公开(公告)号：US20180335281A1
公开(公告)日：2018-11-22
申请号：US15949172
申请日：2018-04-10
Inventor： Tae-Youb KIM , Juhee SONG , Chil Seong AH , Seong-Mok CHO , Sujung KIM , Joo Yeon KIM , Hojun RYU , JEONG IK LEE , Sang Hoon CHEON , Chi-Sun HWANG
Abstract: 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.
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公开(公告)号：US20230096082A1
公开(公告)日：2023-03-30
申请号：US17669656
申请日：2022-02-11
Inventor： Doo-Hee CHO , Tae-Youb KIM , Hojun RYU , Juhee SONG , Chil Seong AH
IPC: G02F1/155
Abstract: Disclosed are an electrochromic device including graphene electrodes and a method for making the same. An electrochromic device including graphene electrodes according to various example embodiments includes a first multilayer thin film structure connected to a first electrode of an external power source, and including a first graphene layer and a first metal protective layer formed on the first graphene layer to protect the first graphene layer from oxygen, a second multilayer thin film structure connected to a second electrode of the external power source, and including a second graphene layer and a second metal protective layer formed on the second graphene layer to protect the second graphene layer from oxygen, and an electrolyte charged between the first multilayer thin film structure and the second multilayer thin film structure.
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公开(公告)号：US20220214589A1
公开(公告)日：2022-07-07
申请号：US17519465
申请日：2021-11-04
Inventor： Tae-Youb KIM , Jisu HAN , Hojun RYU , Juhee SONG , Chil Seong AH , Sang Hoon CHEON
IPC: G02F1/155 , G02F1/1343 , G02F1/153 , C09D7/61 , C09D7/45 , C09D7/63 , C09D5/24 , C09D5/00 , C09D183/06 , C09D179/02
Abstract: 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.
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公开(公告)号：US20220179272A1
公开(公告)日：2022-06-09
申请号：US17519455
申请日：2021-11-04
Inventor： Chil Seong AH , Juhee SONG , Hojun RYU , Tae-Youb KIM , Sang Hoon CHEON , Doo-Hee CHO , Seong-Mok CHO , Chi-Sun HWANG
IPC: G02F1/155 , G02F1/1524 , G02F1/1516 , G02F1/1343 , G02F1/1347 , C09K9/02
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US20200081311A1
公开(公告)日：2020-03-12
申请号：US16559769
申请日：2019-09-04
Inventor： Chil Seong AH , Hojun RYU , Juhee SONG , Tae-Youb KIM , Chi-Sun HWANG
IPC: G02F1/1523 , G02F1/155 , G02F1/163 , G02F1/1516 , C09B21/00
Abstract: An electrochromic device according to the inventive concept includes a first electrode; a second electrode on the first electrode; and an electrochromic electrolyte layer and a nanostructure between the first and second electrodes. The nanostructure has a porous structure, and the electrochromic electrolyte layer includes phenothiazine or a compound represented by the following Formula 1: where R1 is hydrogen, C1-C6 alkyl or phenyl.
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公开(公告)号：US20220169531A1
公开(公告)日：2022-06-02
申请号：US17477182
申请日：2021-09-16
Inventor： Hojun RYU , Doo-Hee CHO , Juhee SONG , Chil Seong AH , Sang Hoon CHEON
IPC: C01G41/02 , G02F1/1524
Abstract: 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.
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公开(公告)号：US20190025665A1
公开(公告)日：2019-01-24
申请号：US15945405
申请日：2018-04-04
Inventor： Seong-Mok CHO , Sujung KIM , Tae-Youb KIM , Juhee SONG , Chil Seong AH , Yong Hae KIM , Joo Yeon KIM , Hojun RYU , Jeong Ik LEE , Sang Hoon CHEON , Chi-Sun HWANG
IPC: G02F1/19
CPC classification number: G02F1/19 , G02F1/163 , G02F2001/1555 , G02F2201/12
Abstract: 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.
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公开(公告)号：US20150235589A1
公开(公告)日：2015-08-20
申请号：US14619139
申请日：2015-02-11
Inventor： Seong-Mok CHO , Yong Hae KIM , Tae-Youb KIM , Chil Seong AH , Juhee SONG , Hojun RYU , Hye Yong CHU
CPC classification number: G09G3/3208 , G09G2300/023 , G09G2300/0456 , G09G2320/0242 , G09G2320/066 , G09G2360/144
Abstract: Provided are a display device and a driving method thereof. The driving method of a display device including first pixels emitting lights or transmitting and reflecting an external light, and second pixels corresponding to the first pixels respectively, includes calculating light emission amounts necessary for the respective first pixels for realizing an image signal, receiving the light information on the amount of the external light incident to the first and second pixels, calculating a reflection light amount of a reflection device according to the external light amount, comparing the light emission amounts necessary for the respective first pixels with the reflection light amount, and adjusting light emission amounts of the respective first pixels according to a result of the comparing.
Abstract translation: 提供了一种显示装置及其驱动方法。 包括发射光或透射和反射外部光的第一像素的显示装置的驱动方法和分别对应于第一像素的第二像素包括计算用于实现图像信号的各个第一像素所需的发光量，接收光 关于入射到第一和第二像素的外部光量的信息，根据外部光量计算反射装置的反射光量，将各个第一像素所需的发光量与反射光量进行比较，以及 根据比较结果调整各个第一像素的发光量。
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公开(公告)号：US20230296954A1
公开(公告)日：2023-09-21
申请号：US18077377
申请日：2022-12-08
Inventor： Chil Seong AH , Hojun RYU , Juhee SONG , Sang Hoon CHEON
IPC: G02F1/155 , G02F1/153 , G02F1/1516
CPC classification number: G02F1/155 , G02F1/1533 , G02F1/15165
Abstract: Provided is a method for manufacturing an electrochromic device, the method including forming a first electrode on a first flexible substrate, forming an electrochromic layer on the first electrode, etching the electrochromic layer to form electrochromic pixel patterns, etching the first electrode to form fine pattern electrodes including first fine pattern electrode portions and second fine pattern electrode portions, forming an insulation film on upper surfaces of the second fine pattern electrode portions, and forming an electrolyte layer on the insulation film and on the electrochromic pixel patterns, wherein the electrochromic pixel patterns are disposed on upper surface of the first fine pattern electrode portions, and the etching of the first electrode and the etching of the electrochromic layer are performed in a single process.
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