Find Research Outputs

Search concepts
Selected Filters
2019

Highly polarised electroluminescence in low aspect ratio mesogenic molecules

Kim, S. W., Lee, D. M., Kim, J. H., Choi, E. J. & Yu, C. J., 2019 May 28, In : Liquid Crystals. 46, 7, p. 1136-1144 9 p.

Research output: Contribution to journalArticle

low aspect ratio
Electroluminescence
electroluminescence
Aspect ratio
Polarization
Reluctance motors
Inductance
Rotors
Table lookup
Data storage equipment
1 Citation (Scopus)

Polar smectic phases in quasi-bent-core liquid crystals with hockey-stick-shaped mesogen: synthesis and crossover mesomorphism

Choi, E. J., Kim, H. J., Kang, S. C., Kim, D. Y., Jeong, K. U., Lee, Y. J., Yu, C. J. & Kim, J. H., 2019 Nov 14, In : Liquid Crystals. 46, 13-14, p. 2042-2056 15 p.

Research output: Contribution to journalArticle

Liquid Crystals
Liquid crystals
crossovers
rods
liquid crystals
2018
5 Citations (Scopus)

Circularly polarized electroluminescence by controlling the emission zone in a twisted mesogenic conjugate polymer

Jung, J. H., Lee, D. M., Kim, J. H. & Yu, C. J., 2018 Jan 1, In : Journal of Materials Chemistry C. 6, 4, p. 726-730 5 p.

Research output: Contribution to journalArticle

Electroluminescence
Polymers
1 Citation (Scopus)
Electroluminescence
Polymers
Cathodes
Experiments

Luminance enhancement of the OLED by direct emission of circular polarization

Lee, D. M., Jung, J. H., Kang, B. J., Cho, Y., Yu, C. J. & Kim, J. H., 2018 Jan 1, In : Digest of Technical Papers - SID International Symposium. 49, 1, p. 1835-1837 3 p.

Research output: Contribution to journalConference article

Circular polarization
Electroluminescence
Organic light emitting diodes (OLED)
Luminance
Doping (additives)

Optical analysis of circularly polarized emission in surface-Treated mesogenic conjugate polymer

Lee, D. M., Kang, B. J., Woo, J. H., Yu, C. J. & Kim, J. H., 2018 Jan 1, 25th International Display Workshops, IDW 2018. International Display Workshops, p. 692-694 3 p. (Proceedings of the International Display Workshops; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Luminescence
Polymers
9 Citations (Scopus)

Sensorless direct torque control using the inductance inflection point for a switched reluctance motor

Kim, J-H. & Kim, R-Y., 2018 Dec 1, In : IEEE Transactions on Industrial Electronics. 65, 12, p. 9336-9345 10 p., 8328909.

Research output: Contribution to journalArticle

Reluctance motors
Torque control
Inductance
Torque
Rotors
2017
5 Citations (Scopus)

Birefringence-dependent linearly-polarized emission in a liquid crystalline organic light emitting polymer

Lee, D. M., Lee, Y. J., Kim, J. H. & Yu, C. J., 2017 Feb 20, In : Optics Express. 25, 4, p. 3737-3742 6 p.

Research output: Contribution to journalArticle

birefringence
polymers
liquids
electroluminescence
polarized light
25 Citations (Scopus)

Control of Circularly Polarized Electroluminescence in Induced Twist Structure of Conjugate Polymer

Lee, D. M., Song, J. W., Lee, Y. J., Yu, C. J. & Kim, J. H., 2017 Aug 4, In : Advanced Materials. 29, 29, 1700907.

Research output: Contribution to journalArticle

Electroluminescence
Photoluminescence
Polymers
Conjugated polymers
Birefringence
1 Citation (Scopus)

Optically isotropic microlens arrays using nanoencapsulated liquid crystals

Lee, D. M., Lee, Y. J., Park, H. B., Yu, C. J. & Kim, J. H., 2017 Apr 13, In : Molecular Crystals and Liquid Crystals. 647, 1, p. 44-50 7 p.

Research output: Contribution to journalArticle

Liquid Crystals
Liquid crystals
liquid crystals
capsules
Capsules
2 Citations (Scopus)

Reduction of the operating voltage of a nanoencapsulated liquid crystal display by using a half-wall structure

Lee, Y. J., Park, M., Lee, D. M., Yu, C. J. & Kim, J. H., 2017 Jan 9, In : Optics Express. 25, 1, p. 409-414 6 p.

Research output: Contribution to journalArticle

liquid crystals
electric potential
electrodes
electric field strength
masking
2016

An orthogonally polarized OLED for high brightness 3D display

Jung, J. H., Lee, D. M., Park, H. B., Lee, Y. J., Lee, G. D., Yu, C. J. & Kim, J. H., 2016 Jan 1, 23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016. Society for Information Display, p. 1219-1222 4 p. (23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Organic light emitting diodes (OLED)
Luminance
Display devices
Polarization
Direction compound
5 Citations (Scopus)

Effects of pretilt angle and anchoring energy on alignment of uniformly lying helix mode

Park, K. S., Baek, J. H., Lee, Y. J., Kim, J. H. & Yu, C. J., 2016 Jul 14, In : Liquid Crystals. 43, 9, p. 1184-1189 6 p.

Research output: Contribution to journalArticle

helices
Textures
alignment
Cholesteric liquid crystals
textures

Flexible display using nano-encapsulated liquid crystal with low driving voltage characteristics

Park, H., Park, M., Lee, Y. J., Yu, C. J. & Kim, J. H., 2016 Jan 1, In : Digest of Technical Papers - SID International Symposium. 47, 1, p. 1513-1515 3 p.

Research output: Contribution to journalConference article

Flexible displays
Liquid crystals
Electric potential
Display devices
Wavelength

Square-cross-patterned vertical alignment liquid crystal mode with high brightness characteristics

Lee, D. M., Lee, Y. J., Yu, C. J. & Kim, J. H., 2016 Jan 1, In : Digest of Technical Papers - SID International Symposium. 47, 1, p. 1617-1619 3 p.

Research output: Contribution to journalConference article

Liquid crystals
Luminance
Electric fields
Electrodes
Molecules
2015
2 Citations (Scopus)

Dependence of planar alignment layer upon enhancement of azimuthal anchoring energy by reactive mesogens

Kim, Y., Lee, Y. J., Baek, J. H., Yu, C. J. & Kim, J. H., 2015 Jan 1, In : Japanese Journal of Applied Physics. 54, 1, 1 p.

Research output: Contribution to journalArticle

alignment
augmentation
polyimides
Polyimides
energy

Emiflective display with high brightness characteristics

Lee, D. M., Jo, S. I., Lee, Y. J., Han, J. H., Yu, C. J. & Kim, J. H., 2015 Jan 1, 22nd International Display Workshops, IDW 2015. International Display Workshops, p. 796-797 2 p. (Proceedings of the International Display Workshops; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Luminance
Display devices
Equipment and Supplies
Organic light emitting diodes (OLED)
Pixels

Fast response and wide viewing angle vertical alignment mode with X-shape electrode

Jo, S. I., Yu, C. J. & Kim, J. H., 2015 May 24, In : Molecular Crystals and Liquid Crystals. 613, 1, p. 69-74 6 p.

Research output: Contribution to journalArticle

Liquid Crystals
Liquid crystals
liquid crystals
alignment
Crystal symmetry
2 Citations (Scopus)

Improvement of the surface anchoring energy of the Photo-Alignment layer in a liquid crystal display using the Two-Band UV exposure method

Mun, B. J., Park, K. W., Lee, J. H., Choi, H. C., Kim, B. K., Kim, J. H. & Lee, G. D., 2015 Jun 1, In : Digest of Technical Papers - SID International Symposium. 46, Book 3, p. 1595-1598 4 p.

Research output: Contribution to journalConference article

Liquid crystal displays
Interfacial energy
Functional polymers
1 Citation (Scopus)
Liquid Crystals
Liquid crystals
polymerization
liquid crystals
alignment
2 Citations (Scopus)

Polarizer-free liquid crystal display with double microlens array layers and polarization-controlling liquid crystal layer

Lee, Y. J., Yu, C. J. & Kim, J. H., 2015 Oct 19, In : Optics Express. 23, 21, p. 27627-27632 6 p.

Research output: Contribution to journalArticle

polarizers
masks
liquid crystals
polarization
alignment
7 Citations (Scopus)

Polymer-Layer-Free Alignment for Fast Switching Nematic Liquid Crystals by Multifunctional Nanostructured Substrate

Jung, W. B., Jeong, H. S., Jeon, H. J., Kim, Y. H., Hwang, J. Y., Kim, J-H. & Jung, H. T., 2015 Nov 1, In : Advanced Materials. 27, 42, p. 6760-6766 7 p.

Research output: Contribution to journalArticle

Nematic liquid crystals
Tin oxides
Indium
Liquid Crystals
Polymers
4 Citations (Scopus)

Realization of Multi-Stable Ground States in a Nematic Liquid Crystal by Surface and Electric Field Modification

Gwag, J. S., Kim, Y. K., Lee, C. H. & Kim, J. H., 2015 Jun 23, In : Scientific reports. 5, 11368.

Research output: Contribution to journalArticle

Nematic liquid crystals
Liquid crystal displays
Ground state
Electric fields
Electric power utilization

Recrystallization of Single crystal 6,13-Bis(triisopropylsilylethynyl) pentacene within liquid crystal

Park, H. B., Jang, H. T., Kim, J-H. & Yu, C-J., 2015 Jan 1, 22nd International Display Workshops, IDW 2015. International Display Workshops, p. 781-782 2 p. (Proceedings of the International Display Workshops; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Liquid Crystals
Liquid crystals
Single crystals
Crystalline materials
Anisotropy
2 Citations (Scopus)

Sensor-less direct torque control using inductance peak detection for switched reluctance motor

Kim, S., Kim, J. H. & Kimf, R. Y., 2015 Jan 1, 2015 IEEE Conference on Energy Conversion, CENCON 2015. Institute of Electrical and Electronics Engineers Inc., p. 7-12 6 p. 7409505. (2015 IEEE Conference on Energy Conversion, CENCON 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reluctance motors
Torque control
Inductance
Electric commutation
Torque
2014
2 Citations (Scopus)

Continuous pitch stabilization of cholesteric liquid crystals and display applications

Yu, C. J., Jo, S. I., Lee, Y. J. & Kim, J. H., 2014 May 3, In : Molecular Crystals and Liquid Crystals. 594, 1, p. 63-69 7 p.

Research output: Contribution to journalArticle

Cholesteric liquid crystals
Liquid Crystals
Stabilization
stabilization
Display devices

Enhancement of polarization ratio on polarized organic light-emitting diodes using anisotropic micro lens arrays

Lee, D. M., Kim, Y. D., Jo, S. I., Yu, C. J. & Kim, J. H., 2014 Jan 1, 21st International Display Workshops 2014, IDW 2014. Society for Information Display, p. 776-778 3 p. (21st International Display Workshops 2014, IDW 2014; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Organic light emitting diodes (OLED)
Lenses
Polarization
11 Citations (Scopus)

Highly polarized emission of the liquid crystalline conjugated polymer by controlling the surface anchoring energy

Jo, S. I., Kim, Y., Baek, J. H., Yu, C-J. & Kim, J-H., 2014 Jan 1, In : Japanese Journal of Applied Physics. 53, 3 SPEC. ISSUE 1, 03CD04.

Research output: Contribution to journalArticle

Liquid crystal polymers
Conjugated polymers
Interfacial energy
surface energy
Organic light emitting diodes (OLED)
4 Citations (Scopus)

Optically isotropic switchable microlens arrays based on liquid crystal

Lee, Y. J., Yu, C. J., Lee, J. H., Baek, J. H., Kim, Y. & Kim, J. H., 2014 Jun 10, In : Applied Optics. 17, p. 3633-3636 4 p.

Research output: Contribution to journalArticle

Liquid crystals
liquid crystals
Electrodes
electrodes
Lenses
3 Citations (Scopus)

Switchable reflective lens based on cholesteric liquid crystal

Lee, J. H., Beak, J. H., Kim, Y., Lee, Y. J., Kim, J. H. & Yu, C. J., 2014 Apr 21, In : Optics Express. 22, 8, p. 9081-9086 6 p.

Research output: Contribution to journalArticle

liquid crystals
lenses
handedness
assembling
selectivity
8 Citations (Scopus)

Temperature-independent pitch invariance in cholesteric liquid crystal

Shim, K. S., Heo, J. U., Jo, S. I., Lee, Y. J., Kim, H. R., Kim, J. H. & Yu, C. J., 2014 Jun 30, In : Optics Express. 22, 13, p. 15467-15472 6 p.

Research output: Contribution to journalArticle

invariance
liquid crystals
temperature
twisting
mixing ratios
2013

Advanced full color cholesteric liquid crystal display in a single-layered configuration by pixel isolation

Shim, K. S., Jo, S. I., Han, J. H., Kim, J. H. & Yu, C. J., 2013 Jan 1, 20th International Display Workshops 2013, IDW 2013. International Display Workshops, p. 174-176 3 p. (Proceedings of the International Display Workshops; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cholesteric liquid crystals
Liquid Crystals
Liquid crystal displays
Color
Pixels

A high sensitivity PDCLC-based electro-optic modulator for TFT array inspector

Hwang, J. Y., Park, J. K., Choi, J. S., Kim, H., Kim, J. H. & Yu, C. J., 2013 Jun, In : Digest of Technical Papers - SID International Symposium. 44, 1, p. 1341-1343 3 p.

Research output: Contribution to journalArticle

Cholesteric liquid crystals
Electrooptical effects
Modulators
Polymers
Mirrors
32 Citations (Scopus)

All-solution-processed transparent thin film transistor and its application to liquid crystals driving

Lee, K. H., Kim, S. M., Jeong, H., Pak, Y., Song, H., Park, J., Lim, K. H., Kim, J. H., Kim, Y. S., Ko, H. C., Kwon, I. K. & Jung, G. Y., 2013 Jun 18, In : Advanced Materials. 25, 23, p. 3209-3214 6 p.

Research output: Contribution to journalArticle

Liquid Crystals
Thin film transistors
Silver
Liquid crystals
Electrodes

Development of Ch-LC microencapsulated flexible displays with reduced driving voltage and much simplified manufacturing process

Kang, S. G., Jang, H. T., Lee, Y. J. & Kim, J. H., 2013 Jan 1, 20th International Display Workshops 2013, IDW 2013. International Display Workshops, p. 1577-1579 3 p. (Proceedings of the International Display Workshops; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flexible displays
Capsules
Liquid Crystals
Printing
Electric potential

Development of fast response time 4.3-inch WVGA fringe field switching liquid crystal mode through reactive mesogen

Kim, Y., Lee, Y. J., Yu, C. J., Choi, J. M., Lee, J. H., Kim, B. K. & Kim, J. H., 2013 Jun, In : Digest of Technical Papers - SID International Symposium. 44, 1, p. 619-621 3 p.

Research output: Contribution to journalArticle

Liquid crystals
13 Citations (Scopus)

Effects of surface modification with reactive mesogen on the anchoring strength of liquid crystals

Moon, Y. K., Lee, Y. J., In Jo, S., Kim, Y., Uk Heo, J., Baek, J. H., Kang, S. G., Yu, C. J. & Kim, J. H., 2013 Jun 21, In : Journal of Applied Physics. 113, 23, 234504.

Research output: Contribution to journalArticle

surface energy
liquid crystals
alignment
molecular interactions
coatings

Electro-optic modulator based on nano/micro-sized polymer-dispersed liquid crystal for tft array inspections

Hwang, J. Y., Hwang, Y. N., Park, K. S., Kim, J. H. & Yu, C. J., 2013 Jan 1, 20th International Display Workshops 2013, IDW 2013. International Display Workshops, p. 198-200 3 p. (Proceedings of the International Display Workshops; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Birefringence
Liquid Crystals
Liquid crystal polymers
Electrooptical effects
Modulators
21 Citations (Scopus)

Enhanced surface anchoring energy for the photo-alignment layer with reactive mesogens for fast response time of liquid crystal displays

Lee, Y. J., Baek, J. H., Kim, Y., Heo, J. U., Yu, C. J. & Kim, J. H., 2013 Apr 10, In : Journal of Physics D: Applied Physics. 46, 14, 145305.

Research output: Contribution to journalArticle

Liquid crystal displays
Interfacial energy
surface energy
liquid crystals
alignment

Enhancement of an azimuthal anchoring energy in a photo-Alignment layer by stacking planar alignment layer

Kim, Y., Kim, D. H., Lee, Y. J., Yu, C. J. & Kim, J. H., 2013 Jan 1, 20th International Display Workshops 2013, IDW 2013. International Display Workshops, p. 114-116 3 p. (Proceedings of the International Display Workshops; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reaction Time
2 Citations (Scopus)

Enhancement of electro-optic stability in the vertical configuration of a deformed-helix ferroelectric liquid crystal

Hwang, J. Y., Lee, Y. J., Cho, C., Heo, J. U., Baek, J. H., Kim, Y., Kim, J. H. & Yu, C. J., 2013 Apr 24, In : Journal of Physics D: Applied Physics. 46, 16, 165301.

Research output: Contribution to journalArticle

Liquid Crystals
Electrooptical effects
helices
Liquid crystals
electro-optics
16 Citations (Scopus)

Fast response time of fringe-field switching liquid crystal mode devices with reactive mesogens in a planar alignment layer

Kim, Y., Lee, Y. J., Kim, D. H., Baek, J. H., Lee, J. H., Kim, B. K., Yu, C. J. & Kim, J. H., 2013 Dec 4, In : Journal of Physics D: Applied Physics. 46, 48, 485306.

Research output: Contribution to journalArticle

Liquid Crystals
Liquid crystals
liquid crystals
alignment
Functional polymers

High transmittance liquid crystal display with polarized organic light-emitting device as a backlight unit

Jo, S. I., Lee, Y. J. & Kim, J-H., 2013 Nov 22, Proceedings of the 20th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2013. p. 95-98 4 p. 6617786

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Liquid crystal displays
Nematic liquid crystals
Electroluminescence
Organic light emitting diodes (OLED)
Polymers
4 Citations (Scopus)

Low cell gap polymeric liquid crystal lens for 2-D/3-D switchable auto-stereoscopic display

Mun, B. J., Baek, J. H., Lee, J. H., Kim, B. K., Choi, H. C., Kim, J-H. & Lee, G. D., 2013 Aug 19, In : IEEE Transactions on Electron Devices. 60, 10, p. 3430-3434 5 p., 6576886.

Research output: Contribution to journalArticle

Liquid Crystals
Liquid crystals
Lenses
Display devices
Refractive index
15 Citations (Scopus)

Optically-isotropic nanoencapsulated liquid crystal displays based on Kerr effect

Kang, S. G. & Kim, J. H., 2013 Jul 1, In : Optics Express. 21, 13, p. 15719-15727 9 p.

Research output: Contribution to journalArticle

Kerr effects
electro-optics
liquid crystals
retarders
electric potential

Planar polymeric liquid crystal lens for 2-D/3-D Image switching in auto-stereoscopic display

Mun, B. J., Baek, J. H., Lee, J. H., Kim, B. K., Choi, H. C., Kim, J. H. & Lee, G. D., 2013 Jan 1, 20th International Display Workshops 2013, IDW 2013. International Display Workshops, p. 191-194 4 p. (Proceedings of the International Display Workshops; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Liquid Crystals
Three-Dimensional Imaging
Liquid crystals
Lenses
Display devices
19 Citations (Scopus)

Polarizer-free liquid crystal display with electrically switchable microlens array

Lee, Y. J., Baek, J. H., Kim, Y., Heo, J. U., Moon, Y. K., Gwag, J. S., Yu, C. J. & Kim, J. H., 2013 Jan 14, In : Optics Express. 21, 1, p. 129-134 6 p.

Research output: Contribution to journalArticle

polarizers
liquid crystals
gray scale
luminaires
masks
2012
2 Citations (Scopus)

Anchoring competition on nanosurface boundaries with conflicting mixed nematic anchoring properties

Gwag, J. S., Kim, Y. K., Lee, Y. J., Baek, J. H. & Kim, J. H., 2012 Mar 1, In : Japanese Journal of Applied Physics. 51, 3 PART 1, 034102.

Research output: Contribution to journalArticle

polyimides
Polyimides
mixing ratios
Liquid crystals
margins
5 Citations (Scopus)

A sensorless control using Extended Kalman Filter for an IPM synchronous motor based on an extended rotor flux

Kim, J. H., Lee, S. S., Kim, R. Y. & Hyun, D. S., 2012 Dec 1, Proceedings, IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society. p. 1631-1636 6 p. 6388731. (IECON Proceedings (Industrial Electronics Conference)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Extended Kalman filters
Synchronous motors
Parameter estimation
Permanent magnets
Rotors