Title:
ディスプレイ用フィルムの製造方法
Document Type and Number:
Japanese Patent JP4751878
Kind Code:
B2
Abstract:
The present invention relates to a privacy securing film, and more particularly, to a privacy securing film having a louver film, wherein the louver film is manufactured through a process including the steps of i) alternately laminating and thermo-compressing transparent film layers and opaque adhesive ink layers, and ii) cutting the thermo-compressed, laminated film perpendicularly to or at a certain angle with respect to the surface thereof such that the thickness of the louver film is in a range of 2 to 30 times the thickness of the transparent film, and a hard coat layer is provided on at least one outermost face of the privacy securing film. The privacy securing film of the present invention has a simplified structure, can be fabricated through a simple manufacturing process, can significantly reduce the creation of a ghost image, and has excellent radio-shielding effects, as compared with conventional ones.
Inventors:
Han, Byung-woo
Application Number:
JP2007504872A
Publication Date:
August 17, 2011
Filing Date:
February 28, 2005
Export Citation:
Assignee:
Shiwa P&C Company., Limited.
International Classes:
B32B27/06; G09F9/00; B23B27/06; G02B5/00
Domestic Patent References:
| JPS6354101U | 1988-04-12 | |||
| JPH06504627A | 1994-05-26 | |||
| JPH05297206A | 1993-11-12 | |||
| JPS5370834A | 1978-06-23 | |||
| JP2001305312A | 2001-10-31 | |||
| JPS5538275B2 | 1980-10-03 |
Foreign References:
| US2689387A | 1954-09-21 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation