JPS614312U

JPS614312U - Display lighting device

Info

Publication number: JPS614312U
Application number: JP8852384U
Authority: JP
Inventors: 正治馬場; 良次吉池
Original assignee: 株式会社東芝
Priority date: 1984-06-14
Filing date: 1984-06-14
Publication date: 1986-01-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図面は本考案、の一実施例を示し、第１図は全体の分解
した斜視図、第２図はケーシングおよび反射体の平面図
、第３図および第４図は第２図中■一■線および■二■
線に沿う組立状態の断面区、第５図は光源導犬用突起の
作用を説明する図、笹６図は輝度分布の特性図である。１・・・ケーシング、３・・・光拡散性透光カバー、８
・・・クリスタル板、９・・・クリスタルカット溝、１
０・・・粗面、１１・・・光導入用突起、１３・・・光
導入先端面、１５・・・反射体、２０・・・電球。The drawings show one embodiment of the present invention; FIG. 1 is an exploded perspective view of the whole, FIG. 2 is a plan view of the casing and reflector, and FIGS. 3 and 4 are line and ■2■
5 is a cross-sectional view of the assembled state along a line, FIG. 5 is a diagram illustrating the function of the light source guide dog protrusion, and FIG. 6 is a characteristic diagram of brightness distribution. 1... Casing, 3... Light-diffusing transparent cover, 8
...Crystal plate, 9...Crystal cut groove, 1
0...Rough surface, 11...Light introduction projection, 13...Light introduction tip surface, 15...Reflector, 20...Light bulb.

Claims

[Scope of Claim for Utility Model Registration] {1} A casing with an opening on one side, a light-diffusing light-transmitting cover that covers the opening, a lamp installed in the kennising, a peripheral side wall, and a curved or inclined surface. a reflector that is provided inside the casing and has a bottom wall that reflects light from the lamp toward the cover; A display lighting device characterized by comprising a crystal plate with a crystal plate. (2) The crystal plate has a protrusion facing into the casing at the end, and light is introduced into the crystal plate from the tip end surface of the protrusion. ) The display lighting equipment described in item ).