JPS62176887U

JPS62176887U -

Info

Publication number: JPS62176887U
Application number: JP6481386U
Authority: JP
Priority date: 1986-04-28
Filing date: 1986-04-28
Publication date: 1987-11-10

Description

[Brief explanation of the drawing]

第１図は本考案に係る表示装置の一実施例を示
す外観斜視図、第２図は同装置の断面図、第３図
は導光板の要部断面図、第４図は導光板の他の実
施例を示す断面図、第５図は反射部の他の実施例
を示す斜視図、第６図は本考案の他の実施例を示
す断面図、第７図および第８図はそれぞれ表示装
置の従来例を示す断面図である。２…ケース、３，３ａ〜３ｆ…表示部、４…表
示板、５…導光板、６…光源、８…点刻、８ａ〜
８ｆ…点刻群、２２，２２Ａ，２２Ｂ…斜面、４
０ａ〜４０ｆ…照光式ノブ。 FIG. 1 is an external perspective view showing an embodiment of a display device according to the present invention, FIG. 2 is a cross-sectional view of the device, FIG. 3 is a cross-sectional view of the main part of a light guide plate, and FIG. 5 is a perspective view showing another embodiment of the reflective section, FIG. 6 is a sectional view showing another embodiment of the present invention, and FIGS. 7 and 8 are respectively shown. FIG. 2 is a sectional view showing a conventional example of the device. 2...Case, 3,3a-3f...Display section, 4...Display board, 5...Light guide plate, 6...Light source, 8...Stippling, 8a-
8f...Stippling group, 22, 22A, 22B...Slope, 4
0a~40f...Illuminated knob.

Claims

[Claims for Utility Model Registration] (1) A light guide plate is disposed behind an object to be illuminated, light from a light source is incident into the light guide plate, and the light emitted from the light guide plate forward is used to illuminate the object. In the display device for illuminating an object, at least one slope is formed on the back surface of the light guide plate, and the thickness of the plate gradually decreases as the distance from the light source increases. 1. A display device comprising a reflective portion that reflects light incident on a light plate toward a surface side. (2) The display device according to claim 1, wherein the reflective portion is composed of a plurality of stipples. (3) The display device according to claim 1, wherein the reflective portion is composed of a plurality of grooves.