CN Patent

CN104769465A — 相位差膜、圆偏振片和图像显示装置

Assigned to Konica Minolta Opto Inc · Expires 2015-07-08 · 11y expired

What this patent protects

本发明一方面是含有酰化纤维素树脂的相位差膜，该相位差膜含有下述通式(A)所示的添加剂，酰化纤维素树脂的取向度为0.03～0.15，添加剂的取向度大于0.15，Ro(550)为115nm～160nm，相位差膜的面内慢轴与相位差膜的长度方向所成的角为15°～85°。

USPTO Abstract

本发明一方面是含有酰化纤维素树脂的相位差膜，该相位差膜含有下述通式(A)所示的添加剂，酰化纤维素树脂的取向度为0.03～0.15，添加剂的取向度大于0.15，Ro(550)为115nm～160nm，相位差膜的面内慢轴与相位差膜的长度方向所成的角为15°～85°。

Drugs covered by this patent

Patent Metadata

Patent number: CN104769465A
Jurisdiction: CN
Classification: —
Expires: 2015-07-08
Drug substance claim: No
Drug product claim: No
Assignee: Konica Minolta Opto Inc
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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