Liangsheng Liao

 Liao, Liang-Sheng (Larry), Ph.D., Professor

Tel: 0512-65880945 (O)       Email: lsliao@suda.edu.cn

Education:

B.S., Jiangxi University (Now with the name of Nanchang University), Dept. of Physics, 1982

M.S., Nanjing University, Dept. of Physics, 1988

Ph.D., Nanjing University, Dept. of Physics, 1996

Working History:

Teaching Assistant, Dept. of Physics, Jiangxi University, 1982-1985

Lecturer, and then Associate Professor, Dept. of Physics, Jiangxi University, 1988-1993

Visiting Scholar, California State University, Northridge (US), 1989-1990

Post-doc., Fudan University, Surface Physics Laboratory, 1996-1997

Associate Professor, Fudan University. Surface Physics Laboratory, 1997-2000

Research Fellow, City University of Hong Kong, Center Of Super-Diamond and Advanced Films (COSDAF), 1998-2000.

Senior Research Scientist, Research Laboratories, Eastman Kodak Company (US), 2000-2009

Research Interests:

Semiconductor Physics and Semiconductor Device Physics; Organic Semiconductor Devices; Surface and Interface Studies of Thin Films; Semiconductor Thin Film Materials

Research Experience and Accomplishments:

Published over 100 papers with more than 1350 citations (h-index = 19). Within the 8 years working at Kodak, filed more than 50 US patent applications (24 of which have been granted) and more than 100 other country’s patent applications (90 of which have been granted or published). Invented organic tandem OLEDs with full organic intermediate connectors; fabricated high-performance full-color OLEDs for display applications; fabricated high-performance white OLEDs for solid-state lighting applications; investigated coherence characteristics of electrically excited tandem OLEDs. Awards include: "First Rate Award in Progress of Science and Technology", by Jiangsu Provincial Government in 1998; “Distinguished Paper Award”, by Society of Information Display (SID) in 2006; “Distinguished Inventor”, by Eastman Kodak Company in 2007.

Selected Publications:

 1) L.S.Liao, X.M.Bao, Z.F.Yang, and N.B.Min, "Intense blue emission from porous beta-SiC formed on C+-implanted Si", Appl. Phys. Lett. 66(18), 2382(1995).

2) L.S.Liao, X.M.Bao, N.S.Li, Z.F.Yang, and N.B.Min, "Correlation of optical and structural properties of porous beta-SiC formed on silicon by C+-implantation", Solid State Communication 95(8), 559(1995).

3) L.S.Liao, X.M.Bao, N.S.Li, Z.F.Yang, and N.B.Min, "Influence of C+-implantation dose on blue emission and microstructures of Si-based porous beta-SiC", Acta Physica Sinica (Overseas edition) 4(10), 783(1995).

4) F.Q.Liu, L.S.Liao, G.H.Wang, G.X.Cheng, and X.M.Bao, “Experimental observation of surface modes of quasi-free clusters”, Phys. Rev. Lett. 76(4), 604(1996).

5) L.S.Liao, X.M.Bao, X.Q.Zheng, N.S.Li, and N.B.Min, “Blue photoluminescence from Si+-implanted SiO2 films on crystalline Si”, Appl. Phys. Lett. 68(6), 850(1996).

6) L.S.Liao, X.M.Bao, N.S.Li, X.Q.Zheng, and N.B.Min, "Visible electroluminescence from Si+-implanted SiO2 films thermally grown on crystalline silicon", Solid State Communication 97(12), 1039(1996).

7) L.S.Liao, X.M.Bao, N.S.Li, X.Q.Zheng, and N.B.Min, "Blue-, green-,and red-light emission from Si+-implanted thermal SiO2 films on crystalline silicon", J. Luminescence 68, 199(1996).

8) L.S.Liao, X.M.Bao, and N.B.Min, "Thermal stability of blue emission from Si-based porous beta-SiC", Physica Status Solidi (a) 155, 233(1996).

9) L.S.Liao, and X.Y.Hou, "Photoluminescence from C+-implanted SiO2 films thermally grown on crystalline Si", Progress in Natural Science (Overseas edition) 7(4), 489(1997).

10) L.S.Liao, Z.H.Xiong, X.Zhou, X.B.Liu, and X.Y.Hou, "Photoluminescence from C+-implanted SiNxOy films grown on crystalline Si", Appl. Phys. Lett. 71(15), 2193(1997).

11) L.S.Liao, X.B.Liu, Z.H.Xiong, S.Yuan, and X.Y.Hou, "Photoluminescence from Si-based SiNxOy films", Chinese Science Bulletin (Overseas edition) 43(2), 124(1998).

12) L.S.Liao, L.S.Hung, W.C.Chan, X.M.Ding, T.K.Sham, I.Bello, C.S.Lee, and S.T.Lee, "Ion-beam induced surface damages on tris-(8-hydroxyquinoline) aluminium", Appl. Phys. Lett. 75(11), 1619(1999).

13) L.S.Liao, M.K.Fung, C.S.Lee, S.T.Lee, M.Inbasekaran, E.P.Woo, and W.W.Wu, "Electronic structure and energy band gap of poly (9,9-dioctylfluorene) investigated by photoelectron spectroscopy", Appl. Phys. Lett. 76(24), 3582(2000).

14) L.S.Liao, L.F.Cheng, M.K.Fung, C.S.Lee, S.T.Lee, M.Inbasekaran, E.P.Woo, and W.W.Wu, "Interface formation between poly(9,9-dioctylfluorene) and Ca electrode investigated using photoelectron spectroscopy", Chem. Phys. Lett. 325(4), 405(2000).

15) L.S.Liao, J.He, X.Zhou, M.Lu, Z.H.Xiong, Z.B.Deng, X.Y.Hou, S.T.Lee, "Bubble formation in organic light-emitting diodes", J. Appl. Phys. 88(5), 2386(2000).

16) L.S.Liao, L.F.Cheng, M.K.Fung, C.S.Lee, S.T.Lee, M.Inbasekaran, E.P.Woo, and W.W.Wu, "Oxygen effect on the interface formation between calcium and polyfluorene film", Phys. Rev. B 62(15), 10004(2000).

17) L.S.Liao, M.K.Fung, C.S.Lee, S.T.Lee, M.Inbasekaran, E.P.Woo, and W.W.Wu, "Improvement of interface formation between metal electrode and polymer film by polymer surface modification using ion sputtering", Appl. Phys. Lett. 77(20), 3191(2000).

18) L.S.Liao, X.H.Sun, L.F.Cheng, N.B.Wong, C.S.Lee and S.T.Lee, "Ambient effect on the electronic structures of tris-(8-hydroxyquinoline) aluminum films investigated by photoelectron spectroscopy", Chem. Phys. Lett. 333(3-4), 212(2001).

19) L.S.Liao, L.F.Cheng, X.H.Sun, N.B.Wong, C.S.Lee, and S.T.Lee, "Substrate dependence of thermal effect on organic light-emitting films", Chem. Phys. Lett. 356, 194(2002).

20) L.S.Liao, K.P.Klubek, and C.W.Tang, "High-efficiency tandem organic light-emitting diodes", Appl. Phys. Lett. 84(2), 167(2004).

21) L.S.Liao, W.K.Slusarek, T.K.Hatwar, M.L.Ricks, and D.L.Comfort, "Tandem organic light-emitting diode using hexaazatriphenylene hexacarbonitrile in the intermediate connector", Adv. Mater. 20(2), 324(2008).

22) L.S.Liao, and K.P.Klubek, "Power efficiency improvement in a tandem organic light-emitting diode", Appl. Phys. Lett. 92(22), 223311(2008).

23) L.S.Liao and C.W.Tang, "Moisture exposure to different layers in organic light-emitting diodes and the effect on electroluminescence characteristics", J. Appl. Phys. 104(04), 044501(2008).

USA Patent:

1) L.S.Liao, J.K.Madathil, K.P.Klubek, and C.W.Tang, "Organic light-emitting diode having an interface layer between the hole-transporting layer and the light-emitting layer", US6,603,150 B2 (August 5, 2003).

2) L.S.Liao, K.P.Klubek, D.L.Comfort, and C.W.Tang, "Cascaded organic electroluminescent devices with improved voltage stability", US6,717,358 B1 (April 6, 2004).

3) L.S.Liao, J.K.Madathil, and P.K.Raychaudhuri, "High work function metal alloy cathode used in organic electroluminescent devices", US6,765,349 B2 (July 20, 2004).

4) L.S.Liao, J.K.Madathil, K.P.Klubek, D.L.Comfort, and C.W.Tang, "OLED device with a performance-enhancing layer", US6,781,149 B1 (August 24, 2004).

5) L.S.Liao, J.K.Madathil, P.K.Raychaudhuri, and C.W.Tang, "Organic electroluminescent device having an adhesion-promoting layer for use with a magnesium cathode", US6,794,061 B2 (September 21, 2004).

6) L.S.Liao and J.K.Madathil, "Organic electroluminescent devices having a metal sub-layer within a hole-transporting region", US6,818,329 B1 (November 16, 2004).

7) L.S.Liao, K.P.Klubek, and D.L.Comfort, "Providing an emission-protecting layer in an OLED device", US6,853,133 B2 (February 8, 2005).

8) L.S.Liao and C.W.Tang, "Providing an organic electroluminescent device having stacked electroluminescent units", US6,872,472 B2 (March 29, 2005).

9) L.S.Liao and K.P.Klubek, "Blue organic electroluminescent devices having a non-hole-blocking buffer layer",US6,881,502 B2 (April 19, 2005).

10) L.S.Liao, K.P.Klubek, D.L.Comfort, and C.W.Tang, "Cascaded organic electroluminescent device having connecting units with n-type and p-type organic layers", US6,936,961 B2 (August 30, 2005).

11) L.S.Liao, K.P.Klubek, and C.W.Tang, "A full-color organic display having improved blue emission",US7,030,554 B2 (April 18, 2006).

12) L.S.Liao, T.K.Hatwar, K.P.Klubek, J.R.Vargas, and D.L.Comfort, "Tandem OLED having low drive voltage", US7,075,231 B1 (July 11, 2006).

13) L.S.Liao and C.W.Tang, "Tandem OLED having stable intermediate connectors",US7,126,267 B2 (October 24, 2006).

14) L.S.Liao and K.P.Klubek, "Organic electroluminescent devices having a stability-enhancing layer", US7,138,763 B2 (November 21, 2006).

15) L.S.Liao and K.P.Klubek, "Using a crystallization-inhibitor in organic electroluminescent devices",US7,211,948 B2 (May 1, 2007).

16) L.S.Liao, T.K.Hatwar, K.P.Klubek, and C.W.Tang, "White OLED having multiple white electroluminescence units", US7,273,663 B2 (September 25, 2007).

17) L.S.Liao, W.Slusarek, T.K.Hatwar, M.L.Ricks, and D.L.Comfort, "Tandem OLED having an organic intermediate connector", US7,494,722 B2 (February 24, 2009).

18) L.S.Liao, C.W.Tang, R.S.Cok, and A.D.Arnold, "Cascaded organic electroluminescent devices with color filters",U.S. Pat. App. Pub. No. 2005/0029933 A1.

19) L.S.Liao, J.K.Madathil, P.K.Raychaudhuri, and C.W.Tang, "Fabricating an electrode for use in organic electronic devices", U.S. Pat. App. Pub. No. 2005/0175770 A1.

20) L.S.Liao, T.K.Hatwar, K.P.Klubek, D.L.Comfort, and C.W.Tang, "White OLEDs having a color compensated electroluminescent unit", U.S. Pat. App. Pub. No. 2006/0087225 A1.

21) L.S.Liao, K.P.Klubek, and C.W.Tang, "Color organic OLED device",U.S. Pat. App. Pub. No. 2006/0181202 A1.

22) L.S.Liao, K.P.Klubek, and W.Slusarek, "OLED anode modification layer", U.S. Pat. App. Pub. No. 2006/0240280 A1.

23) L.S.Liao, K.P.Klubek, W.Slusarek, and T.K.Hatwar, "Contaminant-scavenging layer on OLED anodes", U.S. Pat. App. Pub. No. 2006/0240281 A1.

24) L.S.Liao, W.Slusarek, M.Ricks, R.H.Young, and D.L.Comfort, "OLED electron-injecting layer", U.S. Pat. App. Pub. No. 2006/0251922 A1.

25) L.S.Liao, S.Conley, L.Cosimbescu, and V.V.Jarikov, "OLED electron-transporting layer", U.S. Pat. App. Pub. No. 2006/0269782 A1.

26) L.S.Liao, M.W.Culver, and C.W.Tang, "Fluorocarbon electrode modification layer", U.S. Pat. App. Pub. No. 2007/0170421 A1.

27) L.S.Liao, K.P.Klubek, J.C.Deaton, and C.A.Pellow, "Hybrid OLED having improved efficiency", U.S. Pat. App. Pub. No. 2008/0284317 A1.

28) L.S.Liao, X.Ren, C.A.Pellow, and Y.S.Tyan, "Phosphorescent OLED having double exciton-blocking layers", U.S. Pat. App. Pub. No. 2008/0315753 A1.