Title:
PROJECTION SCREEN
Document Type and Number:
Japanese Patent JP3221991
Kind Code:
B2
Abstract:
PURPOSE: To provide a projection screen whose perpendicular directivity is excellent and which possesses high resolution and also possesses high mechanical strength.
CONSTITUTION: This projection screen is constituted of a double-faced lenticular lens sheet 14 where many light-transmissive strands are arranged in parallel and adjacent light-transmissive strands are joined and integrated to be like a sheet, and a light-transmissive front surface plate 15 arranged on the observation side of the double-faced lenticular lens sheet 14 and having a light diffusing means.
Inventors:
Hideki Shiba
Application Number:
JP24833493A
Publication Date:
October 22, 2001
Filing Date:
October 04, 1993
Export Citation:
Assignee:
Mitsubishi Rayon Co., Ltd.
International Classes:
G03B21/62; G03B21/625; (IPC1-7): G03B21/62
Domestic Patent References:
| JP6273852A | ||||
| JP418536A | ||||
| JP59121648U | ||||
| JP470644U | ||||
| JP4421110Y1 |