Title (en)

Illumination device.

Title (de)

Leuchtvorrichtung.

Title (fr)

Dispositif d'éclairage.

Publication

EP 0319655 A2 19890614 (EN)

Application

EP 88114285 A 19880901

Priority

• JP 19734587 U 19871228
• JP 30744787 A 19871207
• JP 32686187 A 19871225

Abstract (en)

A thin illumination device providing uniform luminance distribution on the diffusing plate comprising a reflecting plate (12), linear light sources (11) arranged in the vicinity of the reflecting plate and a diffusing plate (13) arranged on the opposite side of the reflecting plate with regard to the light sources, section of the reflecting plate having a shape of continuous curves having different curvature.

IPC 1-7

F21V 7/09; F21V 7/22

IPC 8 full level

F21V 7/09 (2006.01); F21V 7/22 (2006.01)

CPC (source: EP KR US)

F21V 7/09 (2013.01 - EP KR US); F21V 7/24 (2018.01 - EP US); F21V 7/28 (2018.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0319655 A2 19890614; EP 0319655 A3 19900502; EP 0319655 B1 19940622; CA 1331979 C 19940913; DE 3850361 D1 19940728; DE 3850361 T2 19941006; KR 890010484 A 19890809; KR 970008277 B1 19970522

DOCDB simple family (application)

EP 88114285 A 19880901; CA 581735 A 19881031; DE 3850361 T 19880901; KR 880007650 A 19880624