Title:
粘接着剤層付光学シートおよび粘接着剤層付光学シートを作成する方法
Document Type and Number:
Japanese Patent JP5876986
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an optical sheet with an adhesive layer, which has excellent adhesion, excellent aggregability and excellent long-term durability, and wherein an adhesive layer part does not fill recesses and projections over time, the recesses and projections having been formed by processing.SOLUTION: The optical sheet with an adhesive layer is produced by arranging an adhesive layer 20 on the recessed and projected surface of an optical film 10 which has been subjected to processing for forming recesses and projections. In addition, the optical sheet with an adhesive layer is bonded to various light sources 40 or image display elements 50, thereby obtaining light sources or image display devices that have improved light extraction efficiency without changing the designs of the light sources or image display elements, while securing uniform light emission and improving viewing angles especially in devices that include the image display elements.
Inventors:
Hiroshi Moroishi
Shigeru Fujita
Fumiko Nakano
Inoue Tetsuo
Akiko Tanaka
Matsuura Aimi
Azuma Masatsugu
Shigeru Fujita
Fumiko Nakano
Inoue Tetsuo
Akiko Tanaka
Matsuura Aimi
Azuma Masatsugu
Application Number:
JP2011024182A
Publication Date:
March 02, 2016
Filing Date:
February 07, 2011
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
G02B3/00; C09J7/02; C09J11/06; C09J133/00; C09J151/06; C09J163/00; G02B5/02; G02F1/1335; G09F9/00
Domestic Patent References:
| JP2002096395A | ||||
| JP2008074969A | ||||
| JP2008243803A | ||||
| JP2002189212A |
Foreign References:
| WO2009139351A1 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office