-
公开(公告)号：US20240121375A1
公开(公告)日：2024-04-11
申请号：US18482457
申请日：2023-10-06
Inventor： Sung Ryul YUN , Seongcheol MUN , Inwook HWANG , Mi Jeong CHOI
IPC: H04N13/32 , G09B21/00 , H04N13/312
CPC classification number: H04N13/32 , G09B21/004 , H04N13/312
Abstract: The present disclosure relates to a stereoscopic surface display device, and more particularly, to a stereoscopic surface display device including: a light source unit including a plurality of optical elements; and a stereoscopic display unit disposed on the light source unit. The stereoscopic display unit includes: a polymer layer; and a light absorption layer buried in the polymer layer. The stereoscopic display unit includes a plurality of cell areas arranged in two-dimension, the light absorption layer is disposed in the plurality of cell areas, the plurality of optical elements vertically overlap the plurality of cell areas, respectively, and each of the plurality of cell areas has a stereoscopic shape.
-
公开(公告)号：US20190196149A1
公开(公告)日：2019-06-27
申请号：US16215424
申请日：2018-12-10
Inventor： Suntak PARK , Bong Je PARK , Ki-Uk KYUNG , Seung Koo PARK , Sung Ryul YUN , Seongcheol MUN , Jeong Muk LIM
CPC classification number: G02B13/0015 , B29D11/0048 , G02B13/0075 , H04N5/2254
Abstract: A reflective active variable lens includes an upper electrode, a lower electrode disposed in parallel to the upper electrode, a deformation part disposed between the upper electrode and the lower electrode, a reflective part disposed on the upper electrode, and a support part disposed to surround the deformation part. Here, the deformation part and the support part are connected to each other to provide a single structure, the deformation part is expanded from an initial shape when an electric field is formed between the upper electrode and the lower electrode, and the expanded deformation part is contracted when the electric field is removed and restored to the initial shape.
-
公开(公告)号：US20240429838A1
公开(公告)日：2024-12-26
申请号：US18744800
申请日：2024-06-17
Inventor： Sung Ryul YUN , Jung-Hwan YOUN , Seung Yeon JANG , Inwook HWANG , Seongcheol MUN , Mi Jeong CHOI
IPC: H02N2/18 , H10N30/857
Abstract: Provided is an actuator system which includes an electroactive polymer film, and a spring surrounded by the electroactive polymer film. At least a portion of the spring is disposed inside the electroactive polymer film.
-
公开(公告)号：US20240421729A1
公开(公告)日：2024-12-19
申请号：US18734084
申请日：2024-06-05
Inventor： Sung Ryul YUN , Inwook HWANG , Seongcheol MUN , Jung-Hwan YOUN
Abstract: Provided are a shape-variable electronic device and an operation method of the same. More specifically, the shape-variable electronic device includes a substrate having a cell region, a light source on the cell region, a flexible layer provided vertically spaced apart from the light source part, a chamber between the light source part and the flexible layer, and a pressure control unit configured to adjust an internal pressure of the chamber. The flexible layer includes a photo-thermal response part configured to emit thermal energy by receiving light emitted from the light source part, and a deformation part of which mechanical stiffness is decreased by receiving the thermal energy from the photo-thermal response part.
-
5.发明申请公开(公告)号：US20210292495A1
公开(公告)日：2021-09-23
申请号：US17324869
申请日：2021-05-19
Inventor： Seung Koo PARK , Sung Ryul YUN , Ki Uk KYUNG , Mi Jeong CHOI , Bong Je PARK , Suntak PARK , Saekwang NAM , Seongcheol MUN , Eun Jin SHIN , Jeong Mook LIM
IPC: C08J5/18 , C08L83/10 , C08G77/442 , G02B26/02 , C08G77/20
Abstract: Provided are a composition for a light transmittance control film, and a light transmittance control film. According to the inventive concept, the light transmittance control film includes a matrix part including a copolymer and a polymer chain which is grafted to the copolymer; and a dispersed part including a polymer derived from a first monomer, and are provided in the matrix part, wherein the polymer chain is derived from the first monomer, first light transmittance is shown while external force is applied, and second light transmittance which is greater than the first light transmittance may be shown after the external force is removed.
-
Patent Agency Ranking
公开(公告)号：US20210180620A1
公开(公告)日：2021-06-17
申请号：US17116665
申请日：2020-12-09
Inventor： Seongcheol MUN , Sungryul YUN , Jeong Muk LIM , Inwook HWANG
IPC: F15B15/10
Abstract: Provided is a soft actuator. The soft actuator includes a first bistable polymer layer, a second bistable polymer layer on the first bistable polymer layer, a first flexible electrode layer on an upper surface of the second bistable polymer layer, a second flexible electrode layer between the first bistable polymer layer and the second bistable polymer layer, a first light absorption heating layer disposed on the first flexible electrode layer and configured to increase a temperature when light is absorbed, and a first voltage supply unit, wherein the first voltage supply unit is electrically connected to the first flexible electrode layer and the second flexible electrode layer.
-
公开(公告)号：US20230269362A1
公开(公告)日：2023-08-24
申请号：US18106650
申请日：2023-02-07
Inventor： Sung Ryul YUN , Seung Koo PARK , Inwook HWANG , Seongcheol MUN , Mi Jeong CHOI
IPC: H04N13/393 , G05D5/02 , F03G7/00
CPC classification number: H04N13/393 , G05D5/02 , F03G7/016 , G09B21/003
Abstract: Provided is a stereoscopic surface display device including a stereoscopic display unit having a cell area, wherein the stereoscopic display unit includes a first flexible layer, a first optical waveguide and a first optical output unit in the first flexible layer, wherein the first optical output unit are disposed in the cell area, a first light source disposed on a side of the stereoscopic display unit, wherein the first optical waveguide connects the first light source and the first optical output unit, a first photothermal response layer on the first flexible layer, wherein the first photothermal response layer is configured to receive output light emitted from the first optical output unit and emit thermal energy, and a shape deformation layer on the first photothermal response layer, wherein the shape deformation layer is configured to generate bending deformation by receiving the thermal energy from the first photothermal response layer.
-
公开(公告)号：US20230138999A1
公开(公告)日：2023-05-04
申请号：US17975080
申请日：2022-10-27
Inventor： Sung Ryul YUN , Inwook HWANG , Hyung Cheol SHIN , Seongcheol MUN , Mi Jeong CHOI
Abstract: Provided is a soft actuator. The soft actuator includes a first support body, a second support body spaced apart from the first support body in a first direction, a yarn structure having one end coupled to the first support body and the other end coupled to the second support body, and a light source part spaced apart from the yarn structure in a second direction crossing the first direction. The yarn structure includes a polymer layer having a coil spring shape extending in the first direction and a light absorption layer configured to surround an outer surface of the polymer layer.
-
公开(公告)号：US20210365121A1
公开(公告)日：2021-11-25
申请号：US16976950
申请日：2020-01-21
Inventor： Sung Ryul YUN , Suntak PARK , Seongcheol MUN , Bong Je PARK , Seung Koo PARK , JaeWoong YOON , Inwook HWANG , Jeong Muk LIM
Abstract: The present invention relates to a shape-variable electronic device and an operation method of the same and, more specifically, the shape-variable electronic device includes: a substrate having a cell region; a light source unit on the cell region; and a flexible layer vertically spaced apart from the light source unit. The flexible layer includes an actuator part that changes a shape of the flexible layer, and the actuator part includes: a photo-thermal response part that receives light emitted from the light source unit and generates thermal energy; a deformation part which receives the thermal energy from the photo-thermal response part and of which mechanical stiffness is reduced; and a top electrode and a bottom electrode on both surfaces of the deformation part, respectively.
-
10.发明申请公开(公告)号：US20200032013A1
公开(公告)日：2020-01-30
申请号：US16306866
申请日：2018-04-19
Inventor： Seung Koo PARK , Sung Ryul YUN , Ki Uk KYUNG , Mi Jeong CHOI , Bong Je PARK , Suntak PARK , Saekwang NAM , Seongcheol MUN , Eun Jin SHIN , Jeong Mook LIM
IPC: C08J5/18 , C08L83/10 , C08G77/442 , C08G77/20 , G02B26/02
Abstract: Provided are a composition for a light transmittance control film, and a light transmittance control film. According to the inventive concept, the light transmittance control film includes a matrix part including a copolymer and a polymer chain which is grafted to the copolymer; and a dispersed part including a polymer derived from a first monomer, and are provided in the matrix part, wherein the polymer chain is derived from the first monomer, first light transmittance is shown while external force is applied, and second light transmittance which is greater than the first light transmittance may be shown after the external force is removed.
-
-
-
-
-
-
-
-
-
Search Results
10
records
(took 0.018 seconds)
