Title:
BACK PROJECTING SCREEN FOR IMAGE DISPLAY AND FRESNEL LENS FOR THE SCREEN
Document Type and Number:
Japanese Patent JPH06186637
Kind Code:
A
Abstract:
PURPOSE: To form a lens element by using a UV hardenable material without using a primer and an adhesion accelerating agent.
CONSTITUTION: A back projecting screen for image display 1 consists of hard sheet members 2 and 3, which are respectively provided with first main faces 21 and 31 to be light incident surfaces and second main surfaces 22 and 32 to be light appearing surfaces. Light 10 successively passes through these surfaces. The sheet members 2 includes Fresnel lens 24 and the sheet member 3 includes lens-like pattern arrays 33 and 35 in each main surface 31 and 32. Fresnel lens 24 provided for the second main surface of the sheet member 2 is formed of a radiocative hardenable material.
Inventors:
SANDORA KEI MATSUKURERANDO
RANDOORU YUUJIN MATSUKOI
DOMINIKU SUTEFUAN ROSAATEI JIY
RANDOORU YUUJIN MATSUKOI
DOMINIKU SUTEFUAN ROSAATEI JIY
Application Number:
JP23105593A
Publication Date:
July 08, 1994
Filing Date:
August 11, 1993
Export Citation:
Assignee:
RCA THOMSON LICENSING CORP
International Classes:
G02B3/00; G02B3/08; G03B21/62; (IPC1-7): G03B21/62
Domestic Patent References:
| JPH0222637A | 1990-01-25 | |||
| JPH03122601A | 1991-05-24 |
Attorney, Agent or Firm:
Katsunori Watanabe
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