Invention Grant
US09309360B2 Cellulose ester based quarter wave plates having normal wavelength dispersion
有权
具有正常波长色散的基于纤维素酯的四分之一波片
- Patent Title: Cellulose ester based quarter wave plates having normal wavelength dispersion
- Patent Title (中): 具有正常波长色散的基于纤维素酯的四分之一波片
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Application No.: US14108810Application Date: 2013-12-17
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Publication No.: US09309360B2Publication Date: 2016-04-12
- Inventor: Bin Wang , Thauming Kuo , Michael Eugene Donelson , Douglas Stephens McWilliams
- Applicant: Eastman Chemical Company
- Applicant Address: US TN Kingsport
- Assignee: Eastman Chemical Company
- Current Assignee: Eastman Chemical Company
- Current Assignee Address: US TN Kingsport
- Agent Tammye L. Taylor
- Main IPC: C09K19/00
- IPC: C09K19/00 ; C08J5/18 ; G02B5/30 ; C08K5/01 ; C08K5/105
Abstract:
The present invention pertains to an optical film for use as a quarter wave plate (QWP) having a normal wavelength dispersion curve. More specifically, this invention relates to a quarter wave plate based on cellulose ester polymer and fused ring additives.
Public/Granted literature
- US20150168607A1 CELLULOSE ESTER BASED QUARTER WAVE PLATES HAVING NORMAL WAVELENGTH DISPERSION Public/Granted day:2015-06-18
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