Title:
REAR PROJECTION SCREEN
Document Type and Number:
WIPO Patent Application WO/1998/032049
Kind Code:
A1
Abstract:
A rear projection screen on which a sharp picture with no graininess can be displayed with good contrast and good fidelity of reproduction of gloss. The rear projection screen (10) has a lenticular lens sheet (11) on which lenticular lenses (11a) which have optical functions such as light condensation, light diffusion are formed. A transparent smooth layer (12) whose surface is smoothed so that the surface roughness may be 0$g(m)m $m(F) Ra $m(F) 0.40 $g(m)m on the light outputting side of the lenticular lens sheet (11).
More Like This:
WO/2012/046617 | IMAGE DISPLAY APPARATUS |
JP3357967 | [Title of Invention] Defect Inspection Device for Lenticular Lens Sheet |
JP4792565 | Screen for projection display |
Inventors:
MIYATA HIDEKI (JP)
Application Number:
PCT/JP1998/000193
Publication Date:
July 23, 1998
Filing Date:
January 20, 1998
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
MIYATA HIDEKI (JP)
MIYATA HIDEKI (JP)
International Classes:
G03B21/62; G03B21/625; (IPC1-7): G03B21/62
Foreign References:
JPH06160982A | 1994-06-07 | |||
JPH05265095A | 1993-10-15 | |||
JPH05289176A | 1993-11-05 | |||
JPH06266009A | 1994-09-22 | |||
JPH08258051A | 1996-10-08 | |||
JPH08320407A | 1996-12-03 |
Other References:
See also references of EP 0895118A4
Attorney, Agent or Firm:
Sato, Kazuo (Fuji Building Room 323, 2-3, Marunouchi 3-chom, Chiyoda-Ku Tokyo 100, JP)
Download PDF:
Previous Patent: OPTICAL WAVEGUIDE AMPLIFIER
Next Patent: METHOD AND APPARATUS FOR DISPLAYING MOTION PICTURES
Next Patent: METHOD AND APPARATUS FOR DISPLAYING MOTION PICTURES