Invention Grant
US07955666B2 Cellulose acylate film and method for producing same, and retardation film, polarizing plate and liquid crystal display device comprising the film 有权
纤维素酰化物膜及其制造方法,以及延迟膜,偏振片和包括该膜的液晶显示装置

  • Patent Title: Cellulose acylate film and method for producing same, and retardation film, polarizing plate and liquid crystal display device comprising the film
  • Patent Title (中): 纤维素酰化物膜及其制造方法,以及延迟膜,偏振片和包括该膜的液晶显示装置
  • Application No.: US11798851
    Application Date: 2007-05-17
  • Publication No.: US07955666B2
    Publication Date: 2011-06-07
  • Inventor: Yasuyuki Sasada
  • Applicant: Yasuyuki Sasada
  • Applicant Address: JP Minato-Ku, Tokyo
  • Assignee: Fujifilm Corporation
  • Current Assignee: Fujifilm Corporation
  • Current Assignee Address: JP Minato-Ku, Tokyo
  • Agency: Buchanan Ingersoll & Rooney PC
  • Priority: JP2006-139566 20060518
  • Main IPC: C09K19/00
  • IPC: C09K19/00 C08B3/00
Cellulose acylate film and method for producing same, and retardation film, polarizing plate and liquid crystal display device comprising the film
Abstract:
A Cellulose acylate film, in which X-ray diffraction intensity satisfies following formulae and a half-value width of the peak at 2θ2 is 3° or less: 0.40≦Ic/(Iam+Ic)≦0.85; Iam=I1+{(I3−I1)/(2θ3−2θ1)×(2θ2−2θ1)}; and Ic=I2−Iam, wherein when it is assumed that θ is the Bragg angle, 2θ1 and 2θ3 indicate 2θ at which the intensity becomes the minimum in the 2θ range of 4° to 5° and 14° to 16°, respectively, 2θ2 indicates 2θ at which the intensity becomes the maximum in the 2θ range of 5° to 10°, and I1, I2 and I3 indicate a diffractive intensity at 2θ1, 2θ2 and 2θ3, respectively.
Information query
Patent Agency Ranking
0/0