Title:
積層光学シート
Document Type and Number:
Japanese Patent JP6789378
Kind Code:
B2
Abstract:
The present invention provides a thin optical laminated sheet with little or no interference fringes or rainbow-like colors, and a method of manufacturing the optical laminated sheet. An optical laminated sheet is integrally formed by laminating a plurality of optical films having an adhesive layer interposed therebetween, the optical laminated sheet including an adhesive layer A wherein one surface is a flat and smooth surface and the opposite surface has an unevenness shaped by a transfer. The optical laminated sheet may include an integrally formed laminate wherein one surface of the adhesive layer A is planarly bonded to one surface of the optical film and an uneven surface that is the other surface of the adhesive layer A is linearly and/or intermittently bonded to the prism edges of a light collecting film made up of prism rows. The optical laminated sheet may be used in a backlight unit.
Inventors:
Yuki Matsubara
Application Number:
JP2019508503A
Publication Date:
November 25, 2020
Filing Date:
April 01, 2017
Export Citation:
Assignee:
Suntech Opto Co., Ltd.
International Classes:
G02B5/04; B32B3/30; B32B7/023; F21S2/00; F21V5/02; F21V17/00; F21V17/10; G02B5/02
Domestic Patent References:
| JP2010176133A | ||||
| JP2007502010A | ||||
| JP2008089906A | ||||
| JP2017061676A | ||||
| JP2015210844A | ||||
| JP2012203233A | ||||
| JP2009123397A |
Foreign References:
| WO2016186410A1 | ||||
| WO2016088385A1 |
Attorney, Agent or Firm:
Global intellectual property corporation