JOURNAL ARTICLES

Electrostatically powered multimode liquid crystalline elastomer actuators

ACS Applied Materials & Interfaces 15(48), 56285-56292 (2023)

Mohsin Hassan Saeed*, Moon-Young Choi*, Kitae Kim, Jin-Hyeong Lee, Keumbee Kim, Dowon Kim, Se-Um Kim, Hyun Kim, Suk-kyun Ahn, Ruochen Lan+, Jun-Hee Na+

Voxelated opto-physically unclonable functions via irreplicable wrinkles

Light: Science & Applications 12(1), 245 (2023)

Kitae Kim, Se-Um Kim, Moon-Young Choi, Mohsin Hassan Saeed, Youngmin Kim, Jun-Hee Na

2D Arrays of soft actuators performing out-of-plane local inflation for shape displays

Advanced Engineering Materials 25(17), 2300267 (2023)

Moon-Young Choi*, Se-Um Kim*, Hogyeong Kim, Kitae Kim, Mohsin Hassan Saeed, Srinivas Pagidi, Jun-Hee Na

Deformable photonic crystals based on chiral liquid crystals with thermal-mediative shape memory effect

Materials 16(1), 35 (2023)

Min-Seok Park*, Kitae Kim*, Young-Joo Lee, Jun-Hee Na, Se-Um Kim

Versatile mechanochromic sensor based on highly stretchable chiral liquid crystalline elastomer

Small 19(7), 2206299 (2022)

Woong Chan Han*, Young-Joo Lee*, Se-Um Kim*, Hye Joo Lee, Young-Seok Kim+, Dae Seok Kim+

Reverse-engineered highly conformable leak and pressure reducing cushion for neonatal resuscitation mask

Advanced Materials Technologies 7(7), 2101364 (2022)

Carolyn M. McGann*, Young-Joo Lee*, Se-Um Kim*, Danielle D. Weinberg*, Xincheng Zha, Matthew Huber, Michael W. Hast, Kayley Dear, Vinay Nadkarni, Elizabeth E. Foglia+, Shu Yang+

Broadband and pixelated camouflage in inflating chiral nematic liquid crystalline elastomers

Nature Materials 21, 41-46 (2022)

Se-Um Kim, Young-Joo Lee, Jiaqi Liu, Dae Seok Kim, Haihuan Wang, Shu Yang

Fabrication of transmittance tunable porous elastomers for smart window applications

Polymers Korea 45(6), 934-939 (2021)

Mira Shin*, Youngeun Lee*, Jinkyung Kim*, Gun Woo Sim*, Youngho Eom, Se-Um Kim+, Dae Seok Kim+

Printable nanocomposite metalens for high-contrast near-infrared imaging

ACS Nano 15(1), 698-706 (2021)

Gwanho Yoon*, Kwan Kim*, Se-Um Kim, Seunghoon Han, Heon Lee+, Junsuk Rho+

Self-regulating contact lenses with the patterning of a photochromic layer based on wettability contrast

Advanced Materials Interfaces 8(2), 2001443 (2020)

Se-Um Kim, Sang Hyun Lee, Kitae Kim, Jun-Hee Na

High-definition optophysical image construction using mosaics of pixelated wrinkles

Advanced Science 7(24), 2002134 (2020)

Kitae Kim*, Se-Um Kim*, Subi Choi, Kyuyoung Heo, Suk-kyun Ahn, Jun-Hee Na

Continuum soft actuators based on reprogrammable geometric constraints

Extreme Mechanics Letters 36, 100649 (2020)

Sihwa Oh*, Se-Um Kim*, Sooyoung Yeom, Hogyeong Kim, Sunwoo Kim, Jun-Hee Na

Programming emergent symmetries with saddle-splay elasticity

Nature Communications 10, 5104 (2019)

Yu Xia*, Andrew A. DeBenedictis*, Dae Seok Kim, Shenglan Chen, Se-Um Kim, Douglas J. Cleaver+, Timothy J. Atherton+, Shu Yang+

Selective photonic printing based on anisotropic Fabry-Perot resonators for dual-image holography and anti-counterfeiting

Optics Express 27(17), 24512-24523 (2019)

In-Ho Lee, Gang Li, Bo-Yeon Lee, Se-Um Kim, Byoungho Lee, Sang-Hyun Oh, Sin-Doo Lee

Concept of chiral image storage and selection based on liquid crystals by circular polarization

Optics Express 27(8), 11661-11672 (2019)

Sang Hyun Lee, Sin-Hyung Lee, Se-Um Kim, Sujie Kang, Sin-Doo Lee

Self-organized wrinkling of liquid crystalline polymer with plasma treatment

Journal of Materials Research 33(23), 4092-4100 (2018)

Jaehyun Sim, Sihwa Oh, Se-Um Kim, Kyuyoung Heo, Seung-Chul Park, Jun-Hee Na

Transparent and flexible high power triboelectric nanogenerator with metallic nanowire-embedded tribonegative conducting polymer

Nano Energy 53, 152-159 (2018)

Bo-Yeon Lee, Se-Um Kim, Sujie Kang, Sin-Doo Lee

Topographic localization of liquid crystals based on gradual phase separation in a polymer network for electrically tunable smart window applications

Journal of Information Display 19(4), 151-157 (2018)

Se-Um Kim*, Sang Hyun Lee*, Jaehyun Sim, Sin-Doo Lee, Jun-Hee Na

Generation of intensity-tunable structural color from helical photonic crystals for full color reflective-type display

Optics Express 26(10), 13561-13572 (2018)

Se-Um Kim, Sin-Hyung Lee, In-Ho Lee, Bo-Yeon Lee, Jun-Hee Na, Sin-Doo Lee

Design and fabrication of liquid crystal-based lenses

Liquid Crystals 44(12-13), 2121-2132 (2017)

Se-Um Kim, Jun-Hee Na, Chiwoo Kim, Sin-Doo Lee

Reduction of gamma distortions in liquid crystal display by anisotropic voltage-dividing layer of reactive mesogens

Liquid Crystals 44(2), 364-371 (2017)

Se-Um Kim, Bo-Yeon Lee, Jeng-Hun Suh, Jiyoon Kim, Jun-Hee Na, Sin-Doo Lee

Concept of active parallax barrier on polarizing interlayer for near-viewing autostereoscopic displays

Optics Express 24(22), 25010-25018 (2016)

Se-Um Kim, Jiyoon Kim, Jeng-Hun Suh, Jun-Hee Na, Sin-Doo Lee

The domain mixing effect on the electro-optical properties of liquid crystals using polyimide doped with reactive mesogen

Journal of Information Display 17(3), 125-130 (2016)

Eui-Sang Yu, Se-Um Kim, Jeng-Hun Suh, Jiyoon Kim, Jun-Hee Na, Sin-Doo Lee

Importance of surface modification of a microcontact stamp for pattern fidelity of soluble organic semiconductors

Journal of Micro/Nanolithography, MEMS, and MOEMS 15(1), 13501 (2016)

Hea-Lim Park, Bo-Yeon Lee, Se-Um Kim, Jeng-Hun Suh, Min-Hoi Kim, Sin-Doo Lee

Optically switchable grating based on dye-doped ferroelectric liquid crystal with high efficiency

Optics Express 23(10), 12619-12627 (2015)

Jiyoon Kim, Jeng-Hun Suh, Bo-Yeon Lee, Se-Um Kim, Sin-Doo Lee

Self-organized wrinkling patterns of a liquid crystalline polymer in surface wetting confinement

Soft Matter 11(24), 4788-4792 (2015)

Jun-Hee Na, Se-Um Kim, Youngjoo Sohn, Sin-Doo Lee

Colloidal assembling template with wrinkled patterns based on liquid crystalline polymer

Molecular Crystals and Liquid Crystals 610(1), 221-226 (2015)

Se-Um Kim, Jiyoon Kim, Eui-Sang Yu, In-Ho Lee, Bo-Yeon Lee, Youngjoo Sohn, Sin-Doo Lee

Lenticular lens array based on liquid crystal with a polarization-dependent focusing effect for 2D–3D image applications

Journal of Information Display 16(1), 11-15 (2015)

Jiyoon Kim, Se-Um Kim, Bo-Yeon Lee, Jeng-Hun Suh, Sin-Doo Lee

Combinatorial color arrays based on optical micro-resonators in monolithic architecture

Optics Express 22(12), 15320-15327 (2014)

In-Ho Lee, Sin-Hyung Lee, Chang-Min Keum, Se-Um Kim, Sin-Doo Lee

Precise lens-on-lens architecture using selective wettability for image-depth representation

Molecular Crystals and Liquid Crystals 591(1), 50-54 (2014)

Se-Um Kim, Jiyoon Kim, Sin-Doo Lee

Tunable liquid crystal lens array by encapsulation with a photo-reactive polymer for short focal length

Optics Communications 313, 329-332 (2014)

Se-Um Kim, Sanghun Lee, Jun-Hee Na, Sin-Doo Lee

Array of solid-state dye-sensitized solar cells with micropatterned TiO2 nanoparticles for a high-voltage power source

Nanoscale Research Letters 8(1), 491 (2013)

Seong-Min Cho, Hea-Lim Park, Min-Hoi Kim, Se-Um Kim, Sin-Doo Lee

Physical mechanism for flat-to-lenticular lens conversion in homogeneous liquid crystal cell with periodically undulated electrode

Optics Express 20(2), 864-869 (2012)

Jun-Hee Na, Seung Chul Park, Se-Um Kim, Yoonseuk Choi, Sin-Doo Lee

Array of liquid crystal polymer-based Fabry-Perot resonators for image selection by polarization

Proceeding of SPIE 9940(Liquid Crystals XX), 994003 (2016)

In-Ho Lee, Eui-Sang Yu, Se-Um Kim, Sin-Doo Lee

New architectures of liquid-crystal-based lenticular lenses in index matching approach for display applications

Proceeding of SPIE 9568(Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics VIII), 956815 (2016)

Sin-Doo Lee, Jiyoon Kim, Hyungjin Kim, Se-Um Kim, Chiwoo Kim

Emerging areas for liquid crystal technologies beyond displays

SID Symposium Digest of Technical Papers 45(1), 551-554 (2014)

Jiyoon Kim, Se-Um Kim, Eui-Sang Yu, Sin-Doo Lee

Tunable lenticular lens array using liquid crystal on periodically undulated electrodes for autostereoscopic 2D/3D convertible displays

SID Symposium Digest of Technical Papers 42(1), 1584-1586 (2012)

Jun-Hee Na, Seung Chul Park, Se-Um Kim, Sin-Doo Lee

PATENTS

Image sensor including color separating lens array and electronic apparatus including the image sensor

KR102692571 (08.2024), US12061346 (08.2024) 

Se-Um Kim, Hongkyu Park, Seokho Yun

Image sensor, method of manufacturing image sensor, and electronic device including image sensor

KR102626972 (01.2024), CN116137275 (05.2023), US20230154958 (05.2023), EP4184583 (09.2024)

Se-Um Kim, Hongkyu Park, Seokho Yun

Helical photonic crystal-based reflective type color display and method for manufacturing the same

CN109143659 (06.2021), EP3422093 (03.2021), US10877311 (12.2020), KR101989443 (06.2019)

Sin-Doo Lee, Se-Um Kim

Light-modulated quantum dot color display and method for manufacturing the same

CN109491137 (08.2021), EP3454113 (08.2020), US10503015 (12.2019), KR102027186 (10.2019)

Sin-Doo Lee, Se-Um Kim, Jeng-Hun Suh