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Ching Wan Tang, Biay Cheng Hseih: TFT-el display panel using organic electroluminescent media. Eastman Kodak Company, Raymond L Owens, November 4, 1997: US05684365 (534 worldwide citation)

A flat panel display comprising thin-film-transistor-electroluminescent (TFT-EL) pixels is described. An addressing scheme incorporating two TFTs and a storage capacitor is used to enable the EL pixels on the panel to operate at a duty factor close to 100%. This TFT-EL device eliminates the need to ...


2
Jianmin Shi, Ching Wan Tang, Chin Hsin Chen: Blue organic electroluminescent devices. Eastman Kodak Company, Raymond L Owens, July 8, 1997: US05645948 (169 worldwide citation)

An organic EL device, comprising an anode and a cathode, and at least one organic luminescent medium containing a compound of benzazoles of the formula: ##STR1## wherein: n is an integer of from 3 to 8;


3
Jon Eric Littman, Ching Wan Tang: Method of forming an organic electroluminescent display panel. Eastman Kodak Company, Raymond L Owens, November 18, 1997: US05688551 (159 worldwide citation)

A method of forming a multicolor organic electroluminescent display panel is disclosed. The method uses a close-spaced deposition technique to form a separately colored organic electroluminescent medium on a substrate by transferring, patternwise, the organic electroluminescent medium from a donor s ...


4
Jianmin Shi, Ching Wan Tang: White light-emitting organic electroluminescent devices. Eastman Kodak Company, Raymond L Owens, November 4, 1997: US05683823 (107 worldwide citation)

An electroluminescent device includes an anode, a positive-hole transporting layer made of an organic compound, a fluorescent emitting layer made of an organic compound, a cathode. The fluorescent emitting layer includes a red light emitting material uniformly dispersed in a host emitting material. ...


5
Liang Sun Hung, Ching Wan Tang: Bilayer electrode on a n-type semiconductor. Eastman Kodak Company, Raymond L Owens, October 14, 1997: US05677572 (77 worldwide citation)

An electrode in contact with a n-type semiconductor for use in an electronic or optoelectronic device is disclosed. The electrode includes a non-conducting layer contacting the semiconductor; a conductive layer contacting the non-conducting layer, and the materials and the thickness of the non-condu ...


6
Liang Sun Hung, Ching Wan Tang, Joseph Kuru Madathil: Transparent electron-injecting electrode for use in an electroluminescent device. Eastman Kodak Company, Raymond L Owens, July 7, 1998: US05776623 (77 worldwide citation)

An electroluminescent device containing a transparent electron-injecting electrode is disclosed. The electrode includes a thin nonconductive layer contacting the electroluminescent layer, a conductive transparent overcoat layer, and the thickness of the nonconductive layer being selected so that the ...


7
Jianmin Shi, Ching Wan Tang, Chin Hsin Chen: Electron transporting materials for organic electroluminescent devices. Eastman Kodak Company, Raymond L Owens, June 16, 1998: US05766779 (58 worldwide citation)

An organic EL device, comprising an anode and a cathode, and at least one electron injecting and transporting layer containing fluorescent materials;


8
Hao LIN, Wei Xia, Hsiang Ning Wu, Ching Wan TANG: Photovoltaic Cells With Improved Electrical Contact. October 6, 2011: US20110240123-A1

A photovoltaic cell comprising a metal oxide back buffer layer. Improved n-CdS/p-CdTe heterojunction photovoltaic cells comprising a metal oxide buffer layer for making low-resistance electrical contact to the p-type CdTe layer. The back buffer layer comprises metal oxides having a high work functio ...


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