Su Seok CHOI* ,“Stretchable and Tunable Photonics Properties of Chiral Liquid Crystals” The 23rd International Meeting on Information Display (IMID 2023) C35-5 (Invited)

Jun Hyuk Shin, Seungmin Nam, Sang Hyun Han, Ji Yoon Park, Chaehyun Kwon, and Su Seok CHOI*,

“Uniform Switching Control of Electrically Stretchable Structural Color”, F14-4

Seungmin Nam, Dahee Wang, Chaehyun Kwon, Sang Hyun Han, and Su Seok CHOI*, “Stretchable Multi-Color Separations Using Structural Colors of Chiral Liquid Crystal Elastomer”, The 23rd International Meeting on Information Display (IMID 2023) C51-4

Sang Hyun Han, Jun Hyuk Shin, and Su Seok CHOI*, “Non-Linear Elastic Properties of OCA for Deformable Display Using Finite Element Method Analysis”, The 23rd International Meeting on Information Display (IMID 2023)

Hakjun Yang, Sang Hyun Han, and Su Seok CHOI*, “An Optimized Design of Kirigami Structures for Stretchable Electronics”, The 23rd International Meeting on Information Display (IMID 2023)

In Pyo Hong and Su Seok CHOI*, “Localization of Piezoelectric Speaker on Display Using an Enclosed Diaphragm”, The 23rd International Meeting on Information Display (IMID 2023)

Ji Yoon Park, Chae Hyun Kwon, and Su Seok CHOI*, “Thermomechanical Shape Deformation Using Liquid Crystal Elastomer Actuator”, The 23rd International Meeting on Information Display (IMID 2023)

Chaeyeong Yun, Seungmin Nam, Chaehyun Kwon, Wontae Jung, and Su Seok CHOI*, “Transmittance Control of Guest-Host Liquid Crystal for Eyewear Devices”, The 23rd International Meeting on Information Display (IMID 2023)

Wontae Jung, Seungmin Nam, Dahee Wang, Chaeyeong Yun, and Su Seok CHOI*, “Chiral Liquid Crystal with Polymer Template for Tunable Photonic Band Filter”, The 23rd International Meeting on Information Display (IMID 2023)

Chaehyun Kwon, Seungmin Nam, Sang Hyun Han, and Su Seok CHOI*, “A Study on Optical Responses in Chiral Liquid Crystal Elastomers under Uniaxial and Biaxial Stretching”, The 23rd International Meeting on Information Display (IMID 2023)

Dongjun Kim, Jun Hyuk Shin, and Su Seok CHOI*, “Piezoelectric/Resistive Bimodal Sensor for Strain and Location Sensing”, The 23rd International Meeting on Information Display (IMID 2023)

Sang Gyeong Nam and Su Seok CHOI*, “Structure Reconfigurable Antenna Using Soft Dielectric Actuator”, The 23rd International Meeting on Information Display (IMID 2023)

정원태, 최수석*, 남승민,왕다희, 윤채영 “Study of Temperature-Responsive Chiral Polymer Template”,

The 2023 Spring Conference of Korea Flexible & Printed Electronics Society

신준혁, 남승민, 한상현, 박지윤, 권채현, 최수석*, “Uniform Control of Wavelength Tunable and Stretchable Chiral Gels” The 2023 Spring Conference of Korea Flexible & Printed Electronics Society

남승민, 왕다희, 최수석*, “Electrically Stretchable Photonic Wavelength Band Control using a Hybrid device with chiral liquid crystal elastomers and dielectric soft actuator”, The 2023 Spring Conference of Korea Flexible & Printed Electronics Society

Chaehyun Kwon, Seungmin Nam and Su Seok CHOI*, “Comparison Optical Properties Change between Uniaxial Stretched and Biaxial Stretched Choloesteric Liquid Crystal Elastomers”, 제 23회 한국 액정학술 대회

Wontae Jung, Seungmin Nam, Dahee Wang, and Su Seok CHOI*, “Effect of Polymer Template on Chiral Liquid Crystals under Temperature Change”, 제 23회 한국 액정학술 대회

Seungmin Nam, Dahee Wang, and Su Seok CHOI*, “Photonic Band Tuning of Chiral Liquid Crystalline Elastomer using Electrically Stretchable Soft Actuator”, 제 23회 한국 액정학술 대회

권채현, 남승민, 최수석*, “Optical Properties of Biaxially Stretched Chiral Photonic Elastomer”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

왕다희, 최수석*, 남승민, 정원태, “Optical Color Filter Using Chiral Liquid Crystal Polymer Film” The Polymer Society of Korea, 2022 Annual Fall Meeting.

정원태, 남승민, 왕다희, 최수석*, “Optical Characteristics of Chiral Liquid Crystals with Polymer Templates”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

Jun Hyuk Shin ,Ji Yoon Park, and Su Seok CHOI* , “Electrically Mechanochromic Mechanism of Stretchable Photonic Organogels”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

Su Seok CHOI*  “Stretchable Electronics and Photonics with Soft Materials”, The Polymer Society of Korea, 2022 Annual Fall Meeting. (Invited)

홍인표, 최수석*, “Localized Sound Separation of Thin Film Integrated Speaker Array”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

한상현, 신준혁, 최수석*, “Mechanochromic Evaluation Method of Stretchable Electrode”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

남승민, 이재욱, 최수석*, “Switching Parameter Optimization for Improved Chiral Guest-host Liquid Crystals Smart Window”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

박지윤, 신준혁, 최수석*, “Electro-Active Bendable Substrate Using Polymer Actuator”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

남상경, 최수석*, “Finite Element Analysis of Stretchable Coplanar Waveguide Antenna”, The Polymer Society of Korea, 2022 Annual Fall Meeting.

Seungmin Nam, Dahee Wang, and Su Seok CHOI*, “Electrically Stretchable Color Change Using Chiral Photonic Gels”, The 22nd International Meeting on Information Display (IMID 2022)

Dahee Wang, Seungmin Nam, and Su Seok CHOI*, “Analytical Design of Double Layered Chiral Liquid Crystal Color Filter”, The 22nd International Meeting on Information Display (IMID 2022)

Jaewook Lee, Seungmin Nam, and Su Seok CHOI* “Improved Optical Transmittance Control of Dye-Doped Liquid Crystals Using PolarizationIndependent Molecular Rotation”, The 22nd International Meeting on Information Display (IMID 2022)

Chaehyun Kwon, Seungmin Nam, and Su Seok CHOI*, “Study of Circular Polarization Change in Chiral Liquid Crystal Elastomer Under Uniaxial Stretching”, The 22nd International Meeting on Information Display (IMID 2022)

Ji Yoon Park, Jun Hyuk Shin, and Su Seok CHOI*, “Enhanced Electro-Actuating Deflection Using Piezoelectric Nanocomposite”, The 22nd International Meeting on Information Display (IMID 2022)

Wontae Jung, Seungmin Nam, and Su Seok CHOI*, “Study of Perovskite Nanocrystal Dispersion in Chiral Liquid Crystals”, The 22nd International Meeting on Information Display (IMID 2022)

Jun Hyuk Shin, Ji Yoon Park, and Su Seok CHOI*, “Optical Properties of Stretchable Electroactive Photonic Gels”, The 22nd International Meeting on Information Display (IMID 2022)

Sang Gyeong Nam and Su Seok CHOI*, “Integration Structure Analysis of Capacitive Touch Sensor and Coplanar Waveguide for Display Antenna Technology”, The 22nd International Meeting on Information Display (IMID 2022)

In Pyo Hong, Sang Hyun Han, Da Hyun Ryu, and Su Seok CHOI*, “Piezoelectric Display Speaker Design with Enclosure System Using Boundary Element Analysis”, The 22nd International Meeting on Information Display (IMID 2022)

최수석*, “Chiral Liquid Crystal 및 응용 기술”, 2022 액정 여름학교

남승민, 왕다희, 최수석*  “Electro-Mechano-Optical Characteristics of Chiral Photonic Gels”, The Polymer Society of Korea, 2022 Annual Spring Meeting.

이재욱, 최수석*, “Optical Transmittance Change Using Anisotropic Dye Guest Molecules in Liquid Crystal Host”, The Polymer Society of Korea, 2022 Annual Spring Meeting.

  한상현, 최수석*, “Strain-Stress of Rigid/Soft Fraction in Stretchable Display Using Finite Element Analysis Method”, The Polymer Society of Korea, 2022 Annual Spring Meeting.

  남상경, 최수석* “Analysis of Dielectric Controlled Capacitance Sensor”,  The Polymer Society of Korea, 2022 Annual Spring Meeting.

  왕다희, 남승민, 최수석*, “Double Stacked Structure of Cholesteric Liquid Crystals”, The Polymer Society of Korea, 2022 Annual Spring Meeting.

 Dahee Wang, Seungmin Nam, and Su Seok CHOI*, “Optical Characteristics of Double Layered Chiral Liquid Crystal”, The Optical Society of Korea, 33rd 2022 Annual Winter Meeting (33회 한국광학회 정기총회 및 동계학술대회).

Su Seok CHOI*, "Soft Electronics for Deformable and Advanced Display MultiSensors", (December, 2021), 2021 KFPE ( 3rd Conference of Korea Flexible & Printed Electronics Society) (Invited).

Seungmin Nam, Dahee Wang, and Su Seok CHOI* ,"Optical Characteristics of Deformable Photonic Gels based on Chiral Nematic Liquid Crystal Polymers", (December, 20201), Photonics Conference 2021 (PC 2021)

Suan Lee, Sang Hyun Han,and Su Seok CHOI* , " Stretching Electrode Conductivity Change with Shape Parameter Study of

Serpentine Structure", (October, 2021), The Polymer Society of Korea, 2021 Annual Fall Meeting.

Seungmin Nam, Dahee Wang, and Su Seok CHOI* ,"Mechanochromic Response Behaviors of Stretchable Chiral Photonic Gels",(October, 2021), The Polymer Society of Korea, 2021 Annual Fall Meeting.

Jun Hyuk Shin, Jiyoon Park, and Su Seok CHOI* , "Dynamic Shape Bending Deformation Using Laminated Ferroelectric Polymer Actuators",October, 2021), The Polymer Society of Korea, 2021 Annual Fall Meeting.

Jewook Lee, Sangkyung Nam,and Su Seok CHOI* , " Stretching Deformation Sensing Enable Electroactive Materials, (October, 2021), The Polymer Society of Korea, 2021 Annual Fall Meeting.

Sang Hyun Han,and Su Seok CHOI* ,"Controlled Neutral Plane Structure for Rollable OLED Display Using Finite Element Method", (October, 2021), The Polymer Society of Korea, 2021 Annual Fall Meeting.

Su Seok CHOI, "Soft Material for Display Advance and Tunable Photonic Structure", (October, 2021), International Conference in Asia 2021 (IUMRS-ICA 2021) 02_2252 (Invited)

Jun Hyuk Shin, Jiyoon Park, Sang Hyun Han and Su Seok CHOI*, "Electrically Controlled Bendable Actuator for Deformable Display", (August,2021), The 21st International Meeting on Information Display (IMID 2021)

Suan Lee, Ji Yun, Lee, and Su Seok CHOI* ,"Parametric Study of Serpentine Electrode Shape for Stretchable Display", (August,2021), The 21st International Meeting on Information Display (IMID 2021).

Jewook Lee,Jun Hyuk Shin, and Su Seok CHOI*, "Polarization Induced Deformation Sensing in Thin Film Transistor",(August,2021), The 21st International Meeting on Information Display (IMID 2021).

Dahee Wang, Seungmin Nam, and Su Seok CHOI* ,"Analytical Study of Bi-Layered Chiral Liquid Crystal Photonic Band Filter", (August,2021), The 21st International Meeting on Information Display (IMID 2021).

Sanggyeong Nam, Jun Hyuk Shin, Suan Lee, and Su Seok CHOI*, "Stretchable Capacitance Sensor against Strain Deformation", (August,2021), The 21st International Meeting on Information Display (IMID 2021).

Sang Hyun Han,Jun Hyuk Shin, and Su Seok CHOI* ,"Analytical Study of Multilayered Rollable OLED Display Structure Using Finite Element Method", (August,2021), The 21st International Meeting on Information Display (IMID 2021).

Seungmin Nam, Dahee Wang, and Su Seok CHOI* , "Optical Characteristics of Stretchable Chiral Photonic Film based on Chiral Liquid Crystals via in situ Photopolymerization",(August,2021), The 21st International Meeting on Information Display (IMID 2021).

Su Seok CHOI, "SMART DEVICE & Liquid Crystal", (July, 2021) Liquid Crystal Summer School 2021  [Invited]

Su Seok CHOI, "Tunable Soft Matter. for Photonic and Display Applications", (June, 2021), The 5th A3（China-Japan-Korea）Metamaterials Symposium, PGM 5 [Invited].

Suan Lee,  Jun Hyuk Shin, and Su Seok CHOI* "Introducing neutral layer design to supressed deformation in stretchable display",  (October, 2020), The Polymer Society of Korea, 2021 Annual Fall Meeting. 24-2PS-120

Jun Hyuk Shin, Suan Lee, and Su Seok CHOI"Enlarging outof plane deformation of active actuating multilayer structure with analytical studies using Electroactive polymer", (October, 2020), The Polymer Society of Korea, 2021 Annual Fall Meeting. 35-4PS-09

Su Seok CHOI,” Tunable, Deformable, Stretchable and Emitting Chiral Photonic Structure”, (August, 2020), 20th International Meeting on Information Display (IMID) , 13_1795. [Invited]

Jun HyukShin, SuanLee, Su SeokChoi* ,” Enhanced Actuating Deflection using Analytical Study of Multilayered Structure”, (August, 2020), 20th International Meeting on Information Display (IMID), 15-07.

Suan Lee, Jun hyuk Shin, Su Seok CHOI*, "Relieved distortion using Neutral layer in Stretchable display", (August, 2020), 20th International Meeting on Information Display (IMID), 03-10.

Su Seok CHOI, "Advance Display & Soft Electronics in Untact Era" (July, 2019) KETI (Korea Electronics Technology Institute) [Invited ]

Su Seok CHOI, "Soft Matter for Chiral Photonics and Display Emotion" (December, 2019) Photonics Conference 2019: PC2019

Su Seok CHOI, "Display and Convergent Technologies in 5G Era" (December, 2019) CiTE Fall Seminar Series

Su Seok CHOI, "Display Emotions & Chiral Photonics with Soft Matter" (November, 2019) Colloquium Mechanical Engineering Dept POSTECH [Invited]

Su Seok CHOI, "Advanced Display Emotion & Device Convergences in 5G Era" (October, 2019)[한국생산기술연구원] 융합-신공정 부품 제조기술 부문 및 디스플레이 기술교류회 [Invited]

Su Seok CHOI, "Molecular Tuanble Deformation for New UI/UX and Photonic Applications",   (September, 2019) The Polymer Society of Korea @ Jeju,2L-48 [Invited]

Su Seok CHOI,” Advanced Display Emotion with Soft Electronics”, (August, 2019), International Meeting on Information Display (IMID) G61-2  [Invited]

Su Seok CHOI, ”Advanced Display & Smart Device with Soft Matter”, (July, 2019), Liquid Crystal Summer School [Invited]

Su Seok CHOI,” Advanced Display & Smart Device with Soft Electronic”, (June, 2019), ETRI [Invited]

Su Seok CHOI,” Chiral Organic Lasing Technologies”, (March, 2019), LG Display [Invited]

Su Seok CHOI, " Smart Materials for Displays & Photonics" , Liquid Crystal Summer School hosted by KIDS (Korean Information Display Society (July, 2018), SKKU, Korea [Invited]

Su Seok CHOI, “Soft Material for tunable, deformable and Stretchable photonic application” The polymer Society Annual Meeting 42 (2), 37, 1L6-7 @Jeju Korea (October, 2017) [Invited]

Su Seok CHOI, "Soft Material for Photonics and Display Applications", Special Seminar in Electrical Engineering School, Kyungpook National University (KNU),(December. 2017), Daegu, Korea [Invited].

Su Seok CHOI, "Tunable, Deformable and Stretchable Material for Photonic Applications", Colloquium Seminar of Material Science Department, POTECH (November, 2017) Pohang, Korea [Invited]

Su Seok CHOI et al “39.3: Novel Perspective of Nano‐Material: Exploiting Graphene for Display Application”, Symposium of Society of Information Display (SID) Volume 46, Issue 1@ San Jose, CA, May 21–June 5, 595–596 (2015) [Invited] (correspondent speaker)

Su Seok CHOI, “New Liquid Crystal Technology for Sustaining Display Application”, New Frontiers of LCs in Science and Technology: Displays, Biology, Energy (October 2012). [Invited]

S.S. Choi et al “Improved ultra-fast liquid crystal switching using uniformly aligned helix”, The 12th International meeting on informational Display (IMID) 45-3 (Aug, 2012) [Invited].

F. Castles, F.V. Day, S.M. Morris, D.-H. Ko, D.J. Gardiner, M.M. Qasim, S. Nosheen, P.J.W. Hands, S.S. Choi, H.J. Coles, “Blue-phase templating “, International Liquid Crystal Conference (ILCC), Mainz, (August 2012) [Invited]

Su Seok CHOI “Electrically Tunable Liquid Crystalline Photonic Band Structures”, GSCST Seminar of SNU convergence (May, 2012) [Invited]

S.S. Choi et al “Ultra-fast liquid crystal switching in uniformly aligned helix structures”, The 14th Korea Liquid Crystal Society Meeting (February, 2012) [Invited].

H.J. Coles, S.M. Morris, F. Castles, P.J.W. Hands, T.D. Wilkinson, S. S. Choi “Ultrafast switching liquid crystals for electro-optic transmissive and reflective displays and microscopic lasers”, MRS, 1293, p.1-12(2011).

S.S. Choi, “Electrically Tunable Liquid Crystal Photonic Band gaps”, Polymeric Photonic Crystals, Fall Meeting of The Polymer Society Annual meeting Korea 36(2), (October ,2011) [Invited]

Su Seok. Choi, “Electrically Tunable Photonic Band Structures in Liquid Crystals”, [Invited], Photonic Crystal Research Society, Seoul, May (2011)

Su Seok CHOI et al, “Liquid Crystalline Photonic Band Structure with Tunability”, Invited Seminar Kyunghee University (March, 2011) [Invited]

H.J. Coles, D.J. Gardiner, S.M. Morris, F. Castles, M.M. Qasim, W.S. Kim, S.S. Choi, H.-J. Park, and I. Chung “Optically isotropic devices for a new generation of ultra-fast frame-sequential color displays” British Liquid Crystal Society (BLCS), Nottingham, April (2011) [Invited]

S.M. Morris, P.J.W. Hands, S.S. Choi, A.D. Ford, C. Mowatt, T.D. Wilkinson, H.J. Cole “Simultaneous red-green-blue organic laser devices” 15th European Conference on Integrated Optics (ECIO),Cambridge, (April 2010)

S.M. Morris, P.J.W. Hands, S.S. Choi, A. Ford, C. Mowatt, M.-H. Song, T.D. Wilkinson, W.T.S. Huck, R.H. Friend, H.J.Coles “Liquid crystal lasers and tunable photonic band gaps” British Liquid Crystal Society (BLCS), Hull, (March 2010)

H.J. Coles, S.M. Morris, S.S. Choi, F. Castles “Ultrafast switching liquid crystals for next-generation transmissive and reflective displays” Proc. SPIE, Emerging Liquid Crystal Technologies V, 7618-14, (January 2010) [Invited]

S.S. Choi, S.M. Morris, W.T.S. Huck, H.J. Coles “Wavelength tuning of the photonic band gap in chiral LC lasing electrically commanded surfaces” British Liquid Crystal Society (BLCS), Bristol, April (2009)

H.J. Coles, S.M. Morris, P.J.W. Hands, S.S. Choi, T.D. Wilkinson “Polychromatic tunable liquid crystal lasers and displays” NOMA, (June 2009) [Invited]

S.S. Choi, S.M. Morris, W.T.S. Huck, H.J. Coles “Photonic band-gap tuning in chiral nematic liquid crystals” COSMOS showcase event, Cambridge, June 19, (2008).

S.S. Choi, S.M. Morris, W.T.S. Huck and H. J. Coles, “Electronic control of the photonic band gap in chiral nematic liquid crystals using ferroelectric liquid crystal surfaces”, 2nd International Workshop on Liquid Crystals for Photonics (LCP 2008), Cambridge (July 21-23, 2008).

S.-M. Jang, S. S. Choi, M.-S. Nam and M.-J. Kim, “High Performance Transflective TFT LCD with Noble Structure”, Proc. International Display Research Conference (IDRC), P319~P321 (2003)

S. S. Choi, W. K. H.-S. Jin and W.-N. Jeong “A reflective color TFT-LCD with high aperture ratio” Proc. International Meeting on Information Display (IMID), P215~218 (2003)

S. S. Choi, W. Kang, H.-S. Jin, W.-N. Jeong, H.-H.Shin and J.-I Lee “A Reflective Color TFT-LCD with High Aperture Ratio”, Proc. Society for Information Display (SID), P1499~P1501 (2003)

S.-W. Choi, S. S. Choi, H.H. Shin and S.-B. Kwon “Polymer Network Stabilized Monostable FLCDs using Colesteric-Chiral Smectic C Phase Transition Material”, Proc. Society for Information Display (SID), P8~11(2001).