JPS5947899U

JPS5947899U - display device

Info

Publication number: JPS5947899U
Application number: JP14438082U
Authority: JP
Inventors: 大沢　喜久弘; 厚山田
Original assignee: 株式会社小糸製作所
Priority date: 1982-09-24
Filing date: 1982-09-24
Publication date: 1984-03-30

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 drawings]

第１図は従来の表示装置において導光板とバルブとを示
す概略斜視図、第２図ａ、　　ｂは同じ〈従来の表示装
置において操作孔部分および側縁部分を示す要部断面図
、第３図および第４図は本考案に係る表示装置の一実施
例を示す要部分解斜視図および要部断面図、第５図はリ
ム部材の装着方法を示す斜視図、第６図ａ、　　ｂ、　
　ｃはリム部材の変形例を示す断面図、第７図ａ、　　
ｂは操作孔側の係止溝の変形例を示す平面図および側面
図、第８図ａ、　　ｂ、　　ｃ、　　ｄはリム部材の装
着にあたっての変形例を示す断面図、第９図ないし第１
２図は導光板端面の反射処理およびその変形例を説明す
るための図である。１・・・・・・導光板、２・・・・・・操作孔、３・・
・・・・バルブ、４・・・・・・表糸板、１０・・・・
・・不透光リム部材、１１・・・係止突起、１２・・・
・・・係止溝、１３・・・・・・反射面、２０・・・・
・・反射層。FIG. 1 is a schematic perspective view showing a light guide plate and a bulb in a conventional display device, FIGS. 2a and 2b are the same. 4 are an exploded perspective view and a cross-sectional view of essential parts showing an embodiment of a display device according to the present invention, FIG. 5 is a perspective view showing a method of attaching a rim member, and FIGS. 6 a, b,
c is a sectional view showing a modified example of the rim member; FIG. 7a;
b is a plan view and a side view showing a modified example of the locking groove on the operation hole side; FIGS.
FIG. 2 is a diagram for explaining a reflection process on the end face of a light guide plate and a modification thereof. 1...Light guide plate, 2...Operation hole, 3...
...Valve, 4...Top board, 10...
... Opaque rim member, 11... Locking protrusion, 12...
...Latching groove, 13...Reflection surface, 20...
...Reflective layer.

Claims

[Scope of utility model registration request]

What is claimed is: 1. A display device using a light guide plate having an operation hole, characterized in that a non-transparent rim member is attached to an inner wall of the operation hole.゛