公开(公告)号：US12211630B2

公开(公告)日：2025-01-28

申请号：US17889204

申请日：2022-08-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Ji Hun Choi ,  Chan Woo Park ,  Ji-Young Oh ,  Seung Youl Kang ,  Yong Hae Kim ,  Hee-ok Kim ,  Jeho Na ,  Jaehyun Moon ,  Jong-Heon Yang ,  Himchan Oh ,  Seong-Mok Cho ,  Sung Haeng Cho ,  Jae-Eun Pi ,  Chi-Sun Hwang

IPC: H01B3/30 ,  H01B7/06 ,  H01B13/008 ,  H05K7/06 ,  H01B3/46

Abstract: Provided are stretchable electronics and a method for manufacturing the same. The stretchable electronics may include a substrate, a plurality of electronic elements disposed to be spaced apart from each other on the substrate, and a wire structure disposed on the substrate to connect the plurality of electronic elements to each other. The wire structure may include an insulator extending from one of the electronic elements to the other of the adjacent electronic elements and a metal wire configured to cover a top surface and side surfaces of the insulator. The insulator may include at least one bent part in a plan view.

公开(公告)号：US12021151B2

公开(公告)日：2024-06-25

申请号：US17523320

申请日：2021-11-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  Korea Advanced Institute of Science and Technology

Inventor： Chi-Sun Hwang ,  SangHee Park ,  KwangHeum Lee ,  Jae-Eun Pi ,  SeungHee Lee ,  Jong-Heon Yang ,  Ji Hun Choi

IPC: H01L29/786 ,  H01L21/768 ,  H01L21/8234 ,  H01L29/40 ,  H01L29/49 ,  H01L29/66

CPC classification number: H01L29/78642 ,  H01L21/76877 ,  H01L21/823418 ,  H01L21/823437 ,  H01L29/401 ,  H01L29/4908 ,  H01L29/6653 ,  H01L29/6675 ,  H01L29/66969 ,  H01L29/78696 ,  H01L29/7869

Abstract: A vertical channel thin film transistor includes substrate, lower source/drain electrode, spacer layer, upper source/drain electrode covering portion of upper surface of the spacer layer, interlayer insulating pattern covering portion of upper surface of the upper source/drain electrode and upper surface of the spacer layer exposed by the upper source/drain electrode, contact hole disposed on the lower source/drain electrode and passing through the interlayer insulating pattern, the upper source/drain electrode, and the spacer layer, active pattern covering inner wall and bottom surface of the contact hole and extending over upper surface of the upper source/drain electrode and upper surface of the interlayer insulating pattern, gate insulating pattern filling portion of the contact hole and extending along upper surface of the active pattern, and gate electrode filling portion of the contact hole and extending along upper surface of the gate insulating pattern.

公开(公告)号：US11262611B2

公开(公告)日：2022-03-01

申请号：US16917454

申请日：2020-06-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Gi Heon Kim ,  Won Jae Lee ,  Chi-Sun Hwang

IPC: G02F1/1334 ,  G02F1/1343

Abstract: Provided is a liquid crystal element. The liquid crystal element includes a first substrate, a first electrode provided on the first substrate, a liquid crystal layer provided on the first electrode and including a liquid crystal portion and a hydrophobic portion, and a second electrode on the liquid crystal layer, wherein the hydrophobic portion is phase-separated from the liquid crystal portion, wherein the liquid crystal portion includes polymer materials, a first dye, and liquid crystal molecules dispersed in the polymer materials, wherein the hydrophobic portion is spaced apart from the first electrode, wherein the hydrophobic portion includes hydrophobic materials and a second dye, wherein the first dye is dissolved in the polymer materials, wherein the second dye is dissolved in the hydrophobic portion, wherein the polymer materials include photo-curable polymer materials.

公开(公告)号：US11081586B2

公开(公告)日：2021-08-03

申请号：US16672838

申请日：2019-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Himchan Oh ,  Sun Jin Yun ,  Jeong Ik Lee ,  Chi-Sun Hwang

IPC: H01L29/786 ,  H01L29/66 ,  H01L29/423 ,  H01L29/417

Abstract: Provided is a thin film transistor. The thin film transistor includes a substrate, a channel part extending on the substrate in a first direction parallel to an upper surface of the substrate, source/drain electrodes connected to both ends of the channel part in the first direction, and a gate electrode spaced apart from the channel part in a second direction intersecting the first direction and parallel to the upper surface of the substrate. Each of the channel part, the source/drain electrodes, and the gate electrode is provided as a single layer.

公开(公告)号：US10156760B2

公开(公告)日：2018-12-18

申请号：US15648916

申请日：2017-07-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sujung Kim ,  Gi Heon Kim ,  Yong Hae Kim ,  Chi-Sun Hwang

IPC: G02F1/1334 ,  G02F1/137 ,  C09K19/60 ,  G02F1/1333 ,  C09K19/54 ,  G02F1/13363

Abstract: A method for manufacturing a liquid crystal device includes preparing a precursor solution comprising a monomer, a blue dye, a green dye, and a red dye dissolved in the monomer, and liquid crystal molecules; and polymerizing the monomer of the precursor solution to form a liquid crystal layer. The blue dye, the green dye, and the red dye reflect light of different wavelengths from each other. A black color is available in a single pixel when, based on total amount of the blue dye, the green dye, and the red dye, the blue dye is present in an amount ranging from about 25 wt % to about 30 wt %, the green dye is present in an amount ranging from about 40 wt % to about 50 wt %, and the red dye is present in an amount ranging from about 25 wt % to about 30 wt %.

公开(公告)号：US09952460B2

公开(公告)日：2018-04-24

申请号：US15010968

申请日：2016-01-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jong-Heon Yang ,  Jae Bon Koo ,  Byoung-Hwa Kwon ,  Gi Heon Kim ,  Yong Hae Kim ,  Hojun Ryu ,  Chan Woo Park ,  Chunwon Byun ,  Hyunkoo Lee ,  Jong Tae Lim ,  Kyoung Ik Cho ,  Seong-Mok Cho ,  Hye Yong Chu ,  Chi-Sun Hwang

IPC: G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/133308 ,  G02F2001/133317 ,  G02F2001/133616 ,  G02F2201/44

Abstract: 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.

公开(公告)号：US09252222B2

公开(公告)日：2016-02-02

申请号：US14800251

申请日：2015-07-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sung Haeng Cho ,  Sang-Hee Park ,  Chi-Sun Hwang

IPC: H01L29/417 ,  H01L29/66 ,  H01L29/08 ,  H01L29/786

CPC classification number: H01L29/41775 ,  H01L29/0847 ,  H01L29/41733 ,  H01L29/41758 ,  H01L29/66742 ,  H01L29/66969 ,  H01L29/786 ,  H01L29/78603 ,  H01L29/7869

Abstract: Provided is a transistor. The transistor includes: a substrate; a semiconductor layer provided on the substrate and having one side vertical to the substrate and the other side facing the one side; a first electrode extending along the substrate and contacting the one side of the semiconductor layer; a second electrode extending along the substrate and contacting the other side of the semiconductor layer; a conductive wire disposed on the first electrode and spaced from the second electrode; a gate electrode provided on the semiconductor layer; and a gate insulating layer disposed between the semiconductor layer and the gate electrode, wherein the semiconductor layer, the first electrode, and the second electrode have a coplanar.

公开(公告)号：US12055891B2

公开(公告)日：2024-08-06

申请号：US17491246

申请日：2021-09-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Yong Hae Kim ,  Gi Heon Kim ,  Joo Yeon Kim ,  Jong-Heon Yang ,  Sang Hoon Cheon ,  Seong-Mok Cho ,  Kyunghee Choi ,  Ji Hun Choi ,  Jae-Eun Pi ,  Chi-Sun Hwang

IPC: G03H1/22

CPC classification number: G03H1/2294 ,  G03H2225/22 ,  G03H2225/34

Abstract: Provided is an operation method for a digital hologram implementation device including a backlight and a spatial light modulator, the operation method including setting an initial phase value of an optical signal to a remedy phase, computing a reduced phase based on the remedy phase, correcting the remedy phase based on a difference between the reduced phase and a preset optimized phase, determining whether the corrected remedy phase is a stabilized phase, performing forward propagation on the stabilized phase and an amplitude of the optical signal, correcting the amplitude of the optical signal, performing backward propagation on the corrected amplitude and the stabilized phase, and determining whether a phase derived by the backward propagation is an optimized phase.

公开(公告)号：US11550198B2

公开(公告)日：2023-01-10

申请号：US17519455

申请日：2021-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Chil Seong Ah ,  Juhee Song ,  Hojun Ryu ,  Tae-Youb Kim ,  Sang Hoon Cheon ,  Doo-Hee Cho ,  Seong-Mok Cho ,  Chi-Sun Hwang

IPC: G02F1/15 ,  G02F1/155 ,  G02F1/1343 ,  G02F1/1347 ,  G02F1/1524 ,  G02F1/1516 ,  C09K9/02 ,  G02F1/1339

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.

公开(公告)号：US10281792B2

公开(公告)日：2019-05-07

申请号：US15864455

申请日：2018-01-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： Joo Yeon Kim ,  Jeong Ik Lee ,  Sang Hoon Cheon ,  Nam Sung Cho ,  Seong-Mok Cho ,  Yong Hae Kim ,  Tae-Youb Kim ,  Hojun Ryu ,  Chil Seong Ah ,  Chi-Sun Hwang

IPC: G02F1/155 ,  G02F1/157 ,  G02F1/1335 ,  G02F1/153 ,  G02F1/15

Abstract: 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.