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Shuang Xie, Nan Xing Hu, Zoran D Popovic, Ah Mee Hor, Beng S Ong: Organic electroluminescent devices. Xerox Corporation, E O Palazzo, November 23, 1999: US05989737 (167 worldwide citation)

An organic electroluminescent (EL) device comprised, in the following sequence, of an anode, an organic hole injecting and hole transporting layer, an organic electron injecting and electron transporting layer, and a cathode, wherein said organic hole injecting and transporting layer is comprised of ...


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Paul F Smith, Nan Xing Hu, Beverly C Dutoff, Beng S Ong, Raj D Patel, Michael A Hopper: Toner processes with hydrolyzable surfactant. Xerox Corporation, E O Palazzo, June 16, 1998: US05766818 (135 worldwide citation)

A process for the preparation of toner by mixing a colorant dispersion and a latex emulsion, and wherein the latex emulsion contains resin and a surfactant, wherein the surfactant is, for example, of the Formulas (I) or (II) ##STR1## wherein R.sup.1 is a hydrophobic aliphatic, or hydrophobic aromati ...


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Raj D Patel, Paul F Smith, Beverly C Dutoff, Nan Xing Hu, Beng S Ong, Michael A Hopper: Toner processes. Xerox Corporation, E O Palazzo, January 26, 1999: US05863698 (104 worldwide citation)

A process for the preparation of toner comprising mixing a colorant containing a surfactant and a latex emulsion, and wherein the latex emulsion contains resin and a nonionic hydrolyzable surfactant, and wherein said surfactant is of the Formulas (I) or (II), or optionally mixtures thereof ##STR1## ...


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Hany M Aziz, Zoran D Popovic, Nan Xing Hu: Organic light emitting devices having improved performance. Xerox Corporation, Eugene O Palazzo, Oliff & Berridge, May 21, 2002: US06392250 (83 worldwide citation)

An organic light emitting device includes a mixed region composed of a mixture of a hole transport material, an electron transport material and at least one dopant material. The hole transport material and/or the electron transport material can optionally be an emitter. The materials of the mixed re ...


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Nan Xing Hu, Shuang Xie, Zoran D Popovic, Beng S Ong, Ah Mee Hor: Indolocarbazole electroluminescent devices. Xerox Corporation, E O Palazzo, August 24, 1999: US05942340 (70 worldwide citation)

An organic electroluminescent device member comprised of a charge transport component of an indolocarbazole represented by Formulas (I), (II), (III), (IV), (V), or (VI); or optionally mixtures thereof ##STR1## wherein R and R' are independently selected from the group consisting of a hydrogen atom, ...


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Hany M Aziz, Zoran D Popovic, Nan Xing Hu, Ah Mee Hor: Organic light emitting devices including mixed region. Xerox Corporation, Eugene O Palazzo, Oliff & Berridge, May 21, 2002: US06392339 (65 worldwide citation)

An organic light emitting device includes a mixed region composed of a mixture of a hole transport material and an electron transport material, one of which is an emitter. The organic light emitting device also includes at least one of a hole transport material region and an electron transport mater ...


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Hany Aziz, Zoran D Popovic, Nan Xing Hu: Organic light emitting devices. Xerox Corporation, Eugene O Palazzo, September 2, 2003: US06614175 (60 worldwide citation)

An organic light emitting device which contains a mixed region of a hole transport, an electron transport, and an organic luminescent component. The mixed region can be situated between two electrodes, one of which includes a thermal protective layer. Further, the device contains a hole transport re ...


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