公开(公告)号：US20250013034A1

公开(公告)日：2025-01-09

申请号：US18596005

申请日：2024-03-05

Applicant: Electronics and Telecommunications Research Institute

Inventor： Chi-Sun HWANG ,  Yong Hae KIM ,  Joo Yeon KIM ,  Jaehyun MOON ,  Jong-Heon YANG ,  Kyunghee CHOI ,  Ji Hun CHOI

IPC: G02B26/08 ,  B82Y20/00 ,  G02F1/1343 ,  G02F1/137

Abstract: Disclosed is an active meta device. The device includes a metal reflective plate, an insulating layer on the metal reflective plate, a first modulation line block provided on one side of the insulating layer, and a second modulation line block provided on another side of the insulating layer facing the first modulation line block.

公开(公告)号：US20230091070A1

公开(公告)日：2023-03-23

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

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：US20220137556A1

公开(公告)日：2022-05-05

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

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：US20210096434A1

公开(公告)日：2021-04-01

申请号：US16987982

申请日：2020-08-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Ji Hun CHOI ,  Yong Hae KIM ,  Seong-Mok CHO ,  Chi-Sun HWANG

IPC: G02F1/1362 ,  G02F1/1335

Abstract: Provided is a display device. The display device includes first to second gate lines provided on a substrate having first and second pixel areas and extending in a first direction, first to third data lines extending in a second direction perpendicular to the first direction and intersecting the first to second gate lines, and a first reflective electrode provided inside the first pixel area and a second reflective electrode provided inside the second pixel area, from a planar viewpoint, wherein the first to second gate lines and the first to third data lines define the first pixel area and the second pixel area, wherein the first to second gate lines are spaced apart from each other in the second direction, wherein the first to third data lines are spaced apart from each other in the first direction.