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Patent Searching and Data


Title:
PANEL LIGHT EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2001143517
Kind Code:
A
Abstract:

To provide a panel light emitting device drawing light irradiated from a spot light source entirely into a resin substrate, thereby reducing the number of parts and lowering the cost.

A substrate unit 2 is inserted into an acrylic light guide plate 1 in injection molding of the light guide plate 1. The substrate unit 2 comprises a substrate having an upper surface formed with a circuit and LEDs 2b connected with the upper surface of the substrate 2a. The substrate unit 2 is insertingly formed in such a manner that its lower surface is exposed. The substrate unit 2 is formed integrally with the light guide plate 1 except for the exposed portion.


Inventors:
YONEDA KOJI
KOBAYASHI KOICHI
NAOI YASUSHI
SAITO ATSUSHI
Application Number:
JP32327699A
Publication Date:
May 25, 2001
Filing Date:
November 12, 1999
Export Citation:
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Assignee:
SEIKO PRECISION KK
International Classes:
G02B6/00; F21V8/00; G02F1/1335; G02F1/13357; F21Y101/02; (IPC1-7): F21V8/00; G02F1/13357
Attorney, Agent or Firm:
Kazuko Matsuda