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1

The Euler characteristic of a certain class of projectively flat manifolds

Hyuk Kim, Hyunkoo Lee

Journal:

Topology and its Applications

Year:

1991

Language:

english

File:

PDF, 707 KB

english, 1991

2

A Single-Chamber System of Initiated Chemical Vapor Deposition and Atomic Layer Deposition for Fabrication of Organic/Inorganic Multilayer Films

Kim, Bong Jun, Park, Hongkeun, Seong, Hyejeong, Lee, Min Seok, Kwon, Byoung-Hwa, Kim, Do Heung, Lee, Young Il, Lee, Hyunkoo, Lee, Jeong-Ik, Im, Sung Gap

Journal:

Advanced Engineering Materials

Year:

2017

Language:

english

File:

PDF, 1.11 MB

english, 2017

3

Hole transport materials with high glass transition temperatures for highly stable organic light-emitting diodes

Jeonghun Kwak, Yi-Yeol Lyu, Seunguk Noh, Hyunkoo Lee, Myeongjin Park, Bonggoo Choi, Kookheon Char, Changhee Lee

Journal:

Thin Solid Films

Year:

2012

Language:

english

File:

PDF, 1.09 MB

english, 2012

4

Agency and Corporate Investment: The Role of Executive Compensation and Corporate Governance*

Kang, Sok‐Hyon, Kumar, Praveen, Lee, Hyunkoo

Journal:

The Journal of Business

Year:

2006

Language:

english

File:

PDF, 160 KB

english, 2006

5

R/G/B/Natural White Light Thin Colloidal Quantum Dot-Based Light-Emitting Devices

Bae, Wan Ki, Lim, Jaehoon, Lee, Donggu, Park, Myeongjin, Lee, Hyunkoo, Kwak, Jeonghun, Char, Kookheon, Lee, Changhee, Lee, Seonghoon

Journal:

Advanced Materials

Year:

2014

Language:

english

File:

PDF, 1.19 MB

english, 2014

6

The Euler Characteristic of Projectively Flat Manifolds with Amenable Fundamental Groups

Hyuk Kim and Hyunkoo Lee

Journal:

Proceedings of the American Mathematical Society

Year:

1993

Language:

english

File:

PDF, 185 KB

english, 1993

7

Structural and functional improvements due to robot-assisted gait training in the stroke-injured brain

Yang, Hea Eun, Kyeong, Sunghyon, Lee, Seung Hwa, Lee, Won-Jae, Ha, Sang Won, Kim, Seung Min, Kang, Hyunkoo, Lee, Won Min, Kang, Chang Soon, Kim, Dae Hyun

Journal:

Neuroscience Letters

Year:

2016

Language:

english

File:

PDF, 645 KB

english, 2016

8

Device Characteristics of Top-Emitting Organic Light-Emitting Diodes Depending on Anode Materials for CMOS-Based OLED Microdisplays

Lee, Hyunkoo, Cho, Hyunsu, Byun, Chun-Won, Kang, Chan-Mo, Han, Jun-Han, Lee, Jeong-Ik, Kim, Hokwon, Lee, Jeong Hwan, Kim, Minseok, Cho, Nam Sung

Journal:

IEEE Photonics Journal

Year:

2018

Language:

english

File:

PDF, 3.77 MB

english, 2018

9

12‐3: A Highly Mass‐producible Nano‐lens Array Technology for Optically Efficient Full‐color Organic Light Emitting Diode Display Applications

Park, Young-Sam, Han, Kyung-Hoon, Cho, Doo-Hee, Cho, Nam Sung, Han, Yoonjay, Lee, Jonghee, Lee, Hyunkoo, Yu, Byounggon, Lee, Jeong-Ik, Kim, Jang-Joo

Journal:

SID Symposium Digest of Technical Papers

Year:

2019

Language:

english

File:

PDF, 924 KB

english, 2019

10

A Systematic Study of the Interactions in the Top Electrode/Capping Layer/Thin Film Encapsulation of Transparent OLEDs

Kwon, Byoung-Hwa, Lee, Hyunkoo, Kim, Moohyun, Joo, Chul Woong, Cho, Hyunsu, Lim, Jong Tae, Jung, Yeon Sik

Journal:

Journal of Industrial & Engineering Chemistry

Year:

2020

File:

PDF, 2.96 MB

2020

11

[IEEE 2011 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) - Baltimore, MD, USA (2011.06.5-2011.06.7)] 2011 IEEE Radio Frequency Integrated Circuits Symposium - Double quadrature harmonic rejection architecture insensitive to gain and phase mismatch for analog/digital TV tuner IC

Ryu, Jaeyoung, Cho, Seungwoo, Lee, Jeongsu, Kim, Jongjin, Ku, Yeonwoo, Kwon, Kuduck, Kang, Hyunkoo

Year:

2011

Language:

english

File:

PDF, 582 KB

english, 2011

12

P-72: Efficient Red, Green, and Blue QD-LEDs Fabricated with the QD Transplanting Process on a Common Hole Transport Layer

Myeongjin Park, Hyunduck Cho, Hyunkoo Lee, Donggu Lee, Jaehoon Lim, Kookheon Char, Seonghun Lee, Changhee Lee

Journal:

SID Symposium Digest of Technical Papers

Year:

2012

Language:

english

File:

PDF, 298 KB

english, 2012

13

P-111: Improved Performances in Phosphorescent Organic Light-emitting Diodes using Solution-processed Vanadium Pentoxide as a Hole Injection Layer

Hyunkoo Lee, Young Kwan Kim, Changhee Lee

Journal:

SID Symposium Digest of Technical Papers

Year:

2012

Language:

english

File:

PDF, 215 KB

english, 2012

14

P-112: Highly Efficient Electron Injection Layer of LiF/Yb Bilayer for Top-emitting Organic Light Emitting Diodes

Hyuk Ahn, Hyunkoo Lee, Jungjin Yang, Changhee Lee

Journal:

SID Symposium Digest of Technical Papers

Year:

2012

Language:

english

File:

PDF, 248 KB

english, 2012

15

Underplating of Mesozoic Mantle-derived Magmas in Tongling, Anhui Province: Evidence from Megacrysts and Xenoliths

DU Yangsong, LEE Hyunkoo, QIN Xinlong

Journal:

Acta Geologica Sinica - English Edition (Wiley-Blackwell)

Year:

2004

Language:

english

File:

PDF, 681 KB

english, 2004

16

Efficient inverted bottom-emission blue phosphorescent organic light-emitting diodes with a ytterbium-doped electron injection layer

Hyunkoo Lee, Hyuk Ahn, Changhee Lee, Jeonghun Kwak

Journal:

Journal of the Korean Physical Society

Year:

2012

Language:

english

File:

PDF, 285 KB

english, 2012

17

Improved Efficiency of Inverted Organic Light-Emitting Diodes Using Tin Dioxide Nanoparticles as an Electron Injection Layer

Lee, Hyunkoo, Kang, Chan-Mo, Park, Myeongjin, Kwak, Jeonghun, Lee, Changhee

Journal:

ACS Applied Materials & Interfaces

Year:

2013

File:

PDF, 1.61 MB

2013

18

New carbazole-based host material for low-voltage and highly efficient red phosphorescent organic light-emitting diodes

Kwak, Jeonghun, Lyu, Yi-Yeol, Lee, Hyunkoo, Choi, Bonggoo, Char, Kookheon, Lee, Changhee

Journal:

Journal of Materials Chemistry

Year:

2012

Language:

english

File:

PDF, 430 KB

english, 2012

19

Composite film of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) and MoO3 as an efficient hole injection layer for polymer light-emitting diodes

Kwon, Yongwon, Kim, Yongnam, Lee, Hyunkoo, Lee, Changhee, Kwak, Jeonghun

Journal:

Organic Electronics

Year:

2014

Language:

english

File:

PDF, 1.22 MB

english, 2014

20

Improved performances in organic and polymer light-emitting diodes using solution-processed vanadium pentoxide as a hole injection layer

Lee, Hyunkoo, Kwon, Yongwon, Lee, Changhee

Journal:

Journal of the Society for Information Display

Year:

2012

Language:

english

File:

PDF, 365 KB

english, 2012

21

Enhanced performances in inverted bottom-emission organic light-emitting diodes with KBH 4 -doped electron-injection layer

Lee, Hyunkoo, Kwon, Yongwon, Jung, Heeyoung, Lee, Jeong-Ik, Lee, Changhee

Journal:

physica status solidi (a)

Year:

2014

Language:

english

File:

PDF, 631 KB

english, 2014

22

[IEEE 2010 2nd IEEE International Conference on Network Infrastructure and Digital Content (IC-NIDC 2010) - Beijing, China (2010.09.24-2010.09.26)] 2010 2nd IEEE InternationalConference on Network Infrastructure and Digital Content - Estimation of interleaver period for unknown signals

Ryu, Hyunkoo, Lee, Jubyung, Hong, Heejin, Yoon, Dongweon

Year:

2010

Language:

english

File:

PDF, 86 KB

english, 2010

23

[IEEE 2011 69th Annual Device Research Conference (DRC) - Santa Barbara, CA, USA (2011.06.20-2011.06.22)] 69th Device Research Conference - Improvement of efficiency in inverted bottom-emission white OLEDs by doping the hole transport layer

Lee, Hyunkoo, Kwak, Jeonghun, Lim, Jaehoon, Char, Kookheon, Lee, Seonghoon, Lee, Changhee

Year:

2011

Language:

english

File:

PDF, 675 KB

english, 2011

24

Improvement of electron injection in inverted bottom-emission blue phosphorescent organic light emitting diodes using zinc oxide nanoparticles

Lee, Hyunkoo, Park, Insun, Kwak, Jeonghun, Yoon, Do Y., Lee, Changhee

Journal:

Applied Physics Letters

Year:

2010

Language:

english

File:

PDF, 597 KB

english, 2010

25

53.4: Color Optimization for OLED Displays

Choi, SangHyun, Jang, YongKyu, Kim, KyuSeok, Yun, YongNam, Lee, HyunKoo, Jang, JungMi, Lee, MinTak, Lee, DaJeong, Song, JangKun

Journal:

SID Symposium Digest of Technical Papers

Year:

2014

Language:

english

File:

PDF, 906 KB

english, 2014

26

P.120: P-doped Di-[4-(N,N-ditolyl-amino)-phenyl]cyclohexane for Improving Power Efficiency of Organic Light-Emitting Diodes

Kwon, Yongwon, Yoo, Minsun, Lee, Hyunkoo, Yang, Jungjin, Lee, Changhee

Journal:

SID Symposium Digest of Technical Papers

Year:

2013

Language:

english

File:

PDF, 1.67 MB

english, 2013

27

MODULI OF FLAT PSEUDO-RIEMANNIAN STRUCTURES ON NILPOTENT LIE GROUPS

KIM, HYUK, LEE, HYUNKOO, YOON, JAIHAN

Journal:

International Journal of Mathematics

Year:

1992

Language:

english

File:

PDF, 754 KB

english, 1992

28

Geometric structures on manifolds and holonomy-invariant metrics

Choi, Suhyoung, Lee, Hyunkoo

Journal:

Forum Mathematicum

Year:

1997

Language:

english

File:

PDF, 1.66 MB

english, 1997

29

Improvement of Power Efficiency in Phosphorescent White Organic Light-Emitting Diodes Using p-Doped Hole Transport Layer

Lee, Hyunkoo, Kim, Jun Young, Lee, Changhee

Journal:

International Journal of Photoenergy

Year:

2012

Language:

english

File:

PDF, 1.31 MB

english, 2012

30

Device characteristics of blue phosphorescent organic light-emitting diodes depending on the electron transport materials

Lee, Hyunkoo, Ahn, Hyuk, Lee, Changhee

Journal:

Journal of Information Display

Year:

2011

Language:

english

File:

PDF, 365 KB

english, 2011

31

Trap-level-engineered common red layer for fabricating red, green, and blue subpixels of full-color organic light-emitting diode displays

Lee, Hyunkoo, Kwak, Jeonghun, Kang, Chan-Mo, Lyu, Yi-Yeol, Char, Kookheon, Lee, Changhee

Journal:

Year:

2015

Language:

english

File:

PDF, 3.34 MB

english, 2015

32

Colored semi-transparent organic light-emitting diodes

Sung, Woo Jin, Lee, Jonghee, Joo, Chul Woong, Cho, Nam Sung, Lee, Hyunkoo, Lee, Ga-Won, Lee, Jeong-Ik

Journal:

Journal of Information Display

Year:

2014

Language:

english

File:

PDF, 1.77 MB

english, 2014

33

Fluorescent white OLEDs with a high color‐rendering index using a silicon‐cored anthracene derivative as a blue host

Kwak, Jeonghun, Lyu, Yi‐Yeol, Lee, Hyunkoo, Char, Kookheon, Lee, Changhee

Journal:

Journal of Information Display

Year:

2010

Language:

english

File:

PDF, 629 KB

english, 2010

34

Paper No S4.4: Colored OLED With a Multilayered Graphene Electrode for Light-Adaptable Displays

Kwon, Byoung-Hwa, Lee, Hyunkoo, Lim, Jong Tae, Cho, Seong M., Han, Jun-Han, Yang, Jong-Heon, Cheon, Sang Hoon, Kim, Tae-Youb, Cho, Nam Sung, Yu, Byoung-Gon, Hwang, Chi-Sun, Lim, Seong Chu, Lee, Jeong-

Journal:

SID Symposium Digest of Technical Papers

Year:

2015

Language:

english

File:

PDF, 97 KB

english, 2015

35

46.2: A Novel Laminated Organic Light-Emitting Diodes with a Multi-Layered Graphene Top Anode

Lee, Hyunkoo, Lim, Jong Tae, Cho, Nam Sung, Lim, Seong Chu, Kwon, Byoung-Hwa, Cho, Hyunsu, Han, Jun-Han, Yu, Byoung-Gon, Lee, Jeong-Ik

Journal:

SID Symposium Digest of Technical Papers

Year:

2015

Language:

english

File:

PDF, 875 KB

english, 2015

36

31-1: Novel Laminated OLEDs Using a Non-Metal Transparent Top Electrode with an Embedded Metal Mesh

Park, Sunghee, Lim, Jong Tae, Lee, Hyunkoo, Jin, Won-Yong, Kwon, Byoung-Hwa, Cho, Nam Sung, Kang, Jae-Wook, Yoo, Seunghyup, Lee, Jeong-Ik

Journal:

SID Symposium Digest of Technical Papers

Year:

2016

Language:

english

File:

PDF, 264 KB

english, 2016

37

Organic Electronics: 1 GHz Pentacene Diode Rectifiers Enabled by Controlled Film Deposition on SAM-Treated Au Anodes (Adv. Electron. Mater. 2/2016)

Kang, Chan-mo, Wade, Jessica, Yun, Sumin, Lim, Jaehoon, Cho, Hyunduck, Roh, Jeongkyun, Lee, Hyunkoo, Nam, Sangwook, Bradley, Donal D. C., Kim, Ji-Seon, Lee, Changhee

Journal:

Advanced Electronic Materials

Year:

2016

File:

PDF, 5.22 MB

2016

38

1 GHz Pentacene Diode Rectifiers Enabled by Controlled Film Deposition on SAM-Treated Au Anodes

Kang, Chan-mo, Wade, Jessica, Yun, Sumin, Lim, Jaehoon, Cho, Hyunduck, Roh, Jeongkyun, Lee, Hyunkoo, Nam, Sangwook, Bradley, Donal D. C., Kim, Ji-Seon, Lee, Changhee

Journal:

Advanced Electronic Materials

Year:

2016

Language:

english

File:

PDF, 1.15 MB

english, 2016

39

Light-adaptable display for the future advertising service

Byun, Chun-Won, Yang, Jong-Heon, Pi, Jae-Eun, Lee, Hyunkoo, Kim, Gi-Heon, Kwon, Byoung-Hwa, Cho, Seong M., Lee, Jeong-Ik, Kim, Yong-Hae, Cho, Kyoung-Ik, Cho, Sung Haeng, Lee, Seung-Woo, Hwang, Chi-Sun

Journal:

Journal of Information Display

Year:

2016

Language:

english

File:

PDF, 4.30 MB

english, 2016

40

Flexion bonding transfer of multilayered graphene as a top electrode in transparent organic light-emitting diodes

Tae Lim, Jong, Lee, Hyunkoo, Cho, Hyunsu, Kwon, Byoung-Hwa, Sung Cho, Nam, Kuk Lee, Bong, Park, Jonghyurk, Kim, Jaesu, Han, Jun-Han, Yang, Jong-Heon, Yu, Byoung-Gon, Hwang, Chi-Sun, Chu Lim, Seong, Le

Journal:

Scientific Reports

Year:

2015

Language:

english

File:

PDF, 1.31 MB

english, 2015

41

Efficient Large-Area Transparent OLEDs Based on a Laminated Top Electrode with an Embedded Auxiliary Mesh

Park, Sunghee, Lim, Jong Tae, Jin, Won-Yong, Lee, Hyunkoo, Kwon, Byoung-Hwa, Cho, Nam Sung, Han, Jun-Han, Kang, Jae-Wook, Yoo, Seunghyup, Lee, Jeong-Ik

Journal:

Year:

2017

Language:

english

File:

PDF, 3.81 MB

english, 2017

42

Optimized ion diffusion depth for maximizing optical contrast of environmentally friendly PEDOT:PSS electrochromic devices

Kim, Joo Yeon, Oh, Ji-Young, Cheon, Sanghoon, Lee, Hyunkoo, Lee, Jonghee, Lee, Jeong-Ik, Ryu, Hojun, Cho, Seong M., Kim, Tae-Youb, Ah, Chil-Sung, Kim, Yong-Hae, Hwang, Chi-Sun

Journal:

Optical Materials Express

Year:

2016

Language:

english

File:

PDF, 2.20 MB

english, 2016

43

5-2: Invited Paper : Ultrathin Stretchable Oxide Thin Film Transistor and Active Matrix Organic Light-Emitting Diode Displays

Ahn, Seong-Deok, Kang, Seung-Youl, Cho, Sung-Haeng, Yang, Jong-Heon, Lee, Hyunkoo, Na, Bock-Soon, Koo, Jae-Bon, Park, Chan-Woo, Byun, Chun-Won, Kwon, Byoung-Hwa, Cho, Nam-Sung, Hwang, Chi-Sun, Lee, Je

Journal:

SID Symposium Digest of Technical Papers

Year:

2017

Language:

english

File:

PDF, 484 KB

english, 2017

44

Flexible integrated OLED substrates prepared by printing and plating process

Cho, Doo-Hee, Kwon, O. Eun, Park, Young-Sam, Yu, Byoung Gon, Lee, Jonghee, Moon, Jaehyun, Cho, Hyunsu, Lee, Hyunkoo, Cho, Nam-Sung

Journal:

Organic Electronics

Year:

2017

Language:

english

File:

PDF, 1.05 MB

english, 2017

45

Highly efficient green, blue, and white phosphorescent inverted organic light-emitting diodes by improving charge injection and balance

Lee, Hyunkoo, Maeng, Min-Jae, Hong, Jong-Am, Najnin, Rokeya, Moon, Jaehyun, Cho, Hyunsu, Lee, Jonghee, Yu, Byounggon, park, yongsup, Cho, Nam Sung

Journal:

Journal of Materials Chemistry C

Year:

2017

Language:

english

File:

PDF, 1.74 MB

english, 2017

46

Bilateral hemispheric changes and language outcomes in chronic left hemisphere stroke

Lee, Won Min, Kyeong, Sunghyon, Park, Eun Young, Yang, Hee Seung, Kang, Hyunkoo, Kim, Dae Hyun

Journal:

Year:

2017

Language:

english

File:

PDF, 157 KB

english, 2017

47

Unraveled Face-dependent Effects of Multi-layered Graphene Embedded in Transparent Organic Light-emitting Diodes

Lim, Jong Tae, Kim, Jaesu, Lee, Hyunkoo, Moon, Jaehyun, Kwon, Byoung-Hwa, Ahn, Seongdeok, Cho, Nam Sung, Ahn, Byung-wook, Lee, Jeong-Ik, Ihm, Kyuwook, Lim, Seong Chu

Journal:

ACS Applied Materials & Interfaces

Year:

2017

Language:

english

File:

PDF, 1.59 MB

english, 2017

48

Conductivity Enhancement of Nickel Oxide by Copper Cation Codoping for Hybrid Organic-Inorganic Light-Emitting Diodes

Kim, Moohyun, Joo, Chul Woong, Kim, Jong H., Choi, Wonseok, Lee, Jonghee, Lee, Dongchan, Cho, Hyunsu, Lee, Hyunkoo, Park, Sunjoong, Cho, Nam Sung, Cho, Hyunjin, Lee, Chan-Woo, Jeon, Duk Young, Kwon, B

Journal:

Year:

2018

Language:

english

File:

PDF, 1.29 MB

english, 2018

49

Decreased Hepatic Lactotransferrin Induces Hepatic Steatosis in Chronic Non-Alcoholic Fatty Liver Disease Model

Lee, Sungmin, Son, Beomseok, Jeon, Jaewan, Park, Gaeul, Kim, Hyunwoo, Kang, Hyunkoo, Youn, HyeSook, Jo, Sunmi, Song, Jie-Young, Youn, BuHyun

Journal:

Cellular Physiology and Biochemistry

Year:

2018

Language:

english

File:

PDF, 4.07 MB

english, 2018

50

SAE Technical Paper Series [SAE International SAE 2016 World Congress and Exhibition - (APR. 12, 2016)] SAE Technical Paper Series - Modeling and Measurement of Payload Mass of the Wheel Loader in the Dynamic State based on Experimental Parameter Identification

Kang, Hyunkoo, Jung, Wooyong, Lee, Choon

Year:

2016

Language:

english

File:

PDF, 2.01 MB

english, 2016

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