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：US20200379313A1

公开(公告)日：2020-12-03

申请号：US16996989

申请日：2020-08-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Gi Heon KIM ,  Yong Hae KIM ,  Chi-Sun HWANG

IPC: G02F1/29 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1347

Abstract: Provided is an optoelectronic element including a first substrate, a first electrode on the first substrate, a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule, a second lens pattern disposed on the first lens pattern, and a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.

公开(公告)号：US20180136536A1

公开(公告)日：2018-05-17

申请号：US15586705

申请日：2017-05-04

Applicant: Electronics and Telecommunications Research Institute

Inventor： Gi Heon KIM ,  Yong Hae KIM ,  Chi-Sun HWANG

IPC: G02F1/29 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1347

CPC classification number: G02F1/29 ,  G02F1/133514 ,  G02F1/133526 ,  G02F1/134309 ,  G02F1/13475 ,  G02F2001/294 ,  G02F2202/043

Abstract: Provided is an optoelectronic element including a first substrate, a first electrode on the first substrate, a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule, a second lens pattern disposed on the first lens pattern, and a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.

公开(公告)号：US20150146153A1

公开(公告)日：2015-05-28

申请号：US14283692

申请日：2014-05-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： Gi Heon KIM ,  Hojun RYU ,  Won Jae LEE ,  Yong Hae KIM ,  Chul Am KIM

IPC: G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/1339 ,  G02F1/1333 ,  G02F1/133377 ,  G02F1/13718 ,  G02F2203/34

Abstract: 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.

Abstract translation: 提供一种显示装置及其制造方法。 显示装置包括第一基板，面对第一基板并与第一基板分离的第二基板，设置在第一基板和第二基板之间并在水平方向彼此分离的多个液晶部件，用于将第一基板 在第一和第二基板之间的液晶部件和设置在每个液晶部件中的固定图案，并且包括光学活性材料。

公开(公告)号：US20230389400A1

公开(公告)日：2023-11-30

申请号：US18303412

申请日：2023-04-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Byoung-Hwa KWON ,  Chan-mo KANG ,  Kukjoo KIM ,  Gi Heon KIM ,  Sujung KIM ,  Sooji NAM ,  Chunwon BYUN ,  Jin-Wook SHIN ,  Jong-Heon YANG ,  Hyunsu CHO ,  Sukyung CHOI

IPC: H10K59/80 ,  C09D1/00 ,  C09D5/00 ,  C09D7/61 ,  C09D7/63 ,  C09D7/40

CPC classification number: H10K59/873 ,  C09D1/00 ,  C09D5/002 ,  C09D7/61 ,  C09D7/63 ,  C09D7/67 ,  H10K77/111

Abstract: Provided is a flexible organic light emitting element that may include a flexible substrate, a circuit element layer on the flexible substrate, an emission layer on the circuit element layer, a first encapsulation structure between the flexible substrate and the circuit element layer, and a second encapsulation structure on the emission layer, wherein the first encapsulation structure includes a first inorganic layer and a first organic layer, which are sequentially stacked on an upper surface of the flexible substrate, and the first organic layer includes a first polymer nanocomposite.

公开(公告)号：US20220179359A1

公开(公告)日：2022-06-09

申请号：US17523197

申请日：2021-11-10

Applicant: Electronics and Telecommunications Research Institute ,  MVTECH

Inventor： Jae-Eun PI ,  Yong Hae KIM ,  Jong-Heon YANG ,  Chul Woong JOO ,  Chi-Sun HWANG ,  HA KYUN LEE ,  Seung Youl KANG ,  Gi Heon KIM ,  Joo Yeon KIM ,  Hee-ok KIM ,  Jeho NA ,  Jaehyun MOON ,  Won Jae LEE ,  Seong-Mok CHO ,  Ji Hun CHOI

IPC: G03H1/22 ,  G01B11/02 ,  G06T7/536

Abstract: Disclosed is an apparatus of analyzing a depth of a holographic image according to the present disclosure, which includes an acquisition unit that acquires a hologram, a restoration unit that restores a three-dimensional holographic image by irradiating the hologram with a light source, an image sensing unit that senses a depth information image of the restored holographic image, and an analysis display unit that analyzes a depth quality of the holographic image, based on the sensed depth information image, and the image sensing unit uses a lensless type of photosensor.

公开(公告)号：US20210124305A1

公开(公告)日：2021-04-29

申请号：US16988072

申请日：2020-08-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Yong Hae KIM ,  Seong-Mok CHO ,  Chi-Sun HWANG ,  Ji Hun CHOI ,  Gi Heon KIM ,  Jong-Heon YANG ,  Sang Hoon CHEON ,  Kyunghee CHOI ,  Jae-Eun PI

IPC: G03H1/22

Abstract: Provided are a hologram display device and a method of manufacturing the hologram display device. The hologram display device includes a light source unit that emits light, a spatial light modulator that modulates the light emitted from the light source unit, and a random pinhole panel. The random pinhole panel includes a plurality of pinholes of a random position or a random size and is arranged in line with an output part of the spatial light modulator. In the hologram display device and the method of manufacturing the hologram display device, a position and size of a random pinhole on the random pinhole are not limited to inside each pixel of the spatial light modulator.

公开(公告)号：US20180136507A1

公开(公告)日：2018-05-17

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: G02F1/137 ,  C09K19/60 ,  G02F1/1333

CPC classification number: G02F1/13737 ,  C09K19/544 ,  C09K19/60 ,  C09K19/601 ,  G02F1/1333 ,  G02F1/133365 ,  G02F1/1334 ,  G02F1/13725 ,  G02F2001/133637

Abstract: Provided are a liquid crystal device, a method for manufacturing a liquid crystal device, and a method for operating a liquid crystal device. According to the inventive concept, a method for manufacturing a liquid crystal device includes preparing a precursor solution including a monomer, liquid crystal molecules, a first dye, a second dye, and a third dye, and performing a polymerization process of the precursor solution to form a liquid crystal layer. The first dye, the second dye, and the third dye may reflect lights having different wavelengths from each other.

公开(公告)号：US20160187687A1

公开(公告)日：2016-06-30

申请号：US15063549

申请日：2016-03-08

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Gi Heon KIM ,  Hojun RYU ,  Won Jae LEE ,  Yong Hae KIM ,  Chul Am KIM

IPC: G02F1/1339 ,  G02F1/137

CPC classification number: G02F1/1339 ,  G02F1/1333 ,  G02F1/133377 ,  G02F1/13718 ,  G02F2203/34

Abstract: 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.

公开(公告)号：US20150362785A1

公开(公告)日：2015-12-17

申请号：US14606059

申请日：2015-01-27

Applicant: Electronics and Telecommunications Research Institute

Inventor： Gi Heon KIM ,  Won Jae LEE

IPC: G02F1/1347 ,  G02F1/1333

CPC classification number: G02F1/17 ,  G02F1/13725 ,  G02F2202/04

Abstract: Provided is a display device. The display device includes a first electrode, a second electrode facing and separated from the first electrode, a liquid crystal layer filling up a space between the first and second electrodes, an organic layer disposed between the second electrode and the liquid crystal layer, and a dye disposed in the liquid crystal layer and fixed to the organic layer.

Abstract translation: 提供了一种显示装置。 显示装置包括第一电极，面对第一电极的第二电极，填充第一和第二电极之间的空间的液晶层，设置在第二电极和液晶层之间的有机层，以及 染料配置在液晶层中并固定在有机层上。