BLACK INK-JET INKS WITH REDUCED LIGHTNESS AND HAZE |
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| 申请号 | PCT/US2007/086141 | 申请日 | 2007-11-30 | 公开(公告)号 | WO2009070176A1 | 公开(公告)日 | 2009-06-04 |
| 申请人 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.; RENGASWAMY, Sukanya; REHMAN, Zia, U.; AUSTIN, Mary, E.; | 发明人 | RENGASWAMY, Sukanya; REHMAN, Zia, U.; AUSTIN, Mary, E.; | ||||
| 摘要 | A method of decreasing L*min and reducing stacked haze in a black region of an ink-jet printed image is disclosed which comprises providing an ink-jet ink receptive medium and ink-jetting at least one ink-jet ink onto the medium to form a printed medium comprising an image having at least one black region. At least one of the ink-jet inks includes a black ink-jet ink comprising a liquid vehicle and a certain black azo dye having the Formula 1. The method includes stacking the printed medium, to obtain a printed medium having decreased L*min and reduced stacked haze in the black region(s). | ||||||
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