Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHT DIFFUSIVE SHEET, OPTICAL ELEMENT AND IMAGE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2003344614
Kind Code:
A
Abstract:

To provide a light diffusive sheet having excellent adhesion and durability by maintaining glare shielding, hardly recognizing white blur due to surface dispersion and hardly displaying birefringence.

The light diffusive sheet forms a resin membrane layer forming fine irregular shapes on at least one side of a transparent film, and a light diffusive layer having a lower refractive index than that of the resin membrane layer on a fine irregular shape surface of the resin membrane layer. The transparent film contains (A) a thermoplastic resin having substituted and/or unsubstituted imide group on a side chain, and (B) a thermoplastic resin having substituted and/or unsubstituted phenyl group and nitril group. The low refractive index layer is formed of a material having a polysiloxane structure. Glosiness at 60° of a low refractive index layer surface provided on the surface of the resin membrane layer is 15% or more and 50% or less in the state that the resin membrane layer and the low refractive index layer are formed.


Inventors:
NISHIDA AKIHIRO
YANO SHUJI
MAEDA HIROE
KONDO TAKASHI
HATANAKA TAKEZO
SHIGEMATSU TAKAYUKI
Application Number:
JP2002153773A
Publication Date:
December 03, 2003
Filing Date:
May 28, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NITTO DENKO CORP
International Classes:
G02B5/02; G02F1/1335; G02F1/13357; G02F1/13363; (IPC1-7): G02B5/02; G02F1/1335; G02F1/13357
Attorney, Agent or Firm:
Takao Suzuki (3 others)