Planar luminescent device and planar luminescent element

Details Planar luminescent device and planar luminescent element Planar luminescent device and planar luminescent element

1996-02-23

1998-10-20

Cariaso, Alan

Illumination

Light source and modifier

Including reflector

362328, 362330, 362352, 362450, F21V 1304

Patent

active

058256369

ABSTRACT:
A planar luminescent device useful as a backlight for liquid crystal disp. The planar luminescent device comprises a synthetic resin sheet having at least one fold and a plurality of sheet sections foldable along this fold. A sheet holder is adapted to hold the sheet sections of the sheet, folded along the fold, in a predetermined accordion-like folded position. A reflective layer and a light emitting layer are respectively provided on the sheet sections defining opposite ends of the sheet. A light source emits light rays towards the reflective layer.

REFERENCES:
patent: 1377161 (1921-05-01), Vanderbeek
patent: 4118759 (1978-10-01), Hauville
patent: 4409646 (1983-10-01), Baliozian
patent: 4587755 (1986-05-01), Sunshine
patent: 4874228 (1989-10-01), Aho et al.
patent: 5128850 (1992-07-01), Juodvalkis
patent: 5167508 (1992-12-01), McTaggart

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