JPS6319298U - - Google Patents
Info
- Publication number
- JPS6319298U JPS6319298U JP11161386U JP11161386U JPS6319298U JP S6319298 U JPS6319298 U JP S6319298U JP 11161386 U JP11161386 U JP 11161386U JP 11161386 U JP11161386 U JP 11161386U JP S6319298 U JPS6319298 U JP S6319298U
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- panel board
- diffusely reflected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005286 illumination Methods 0.000 claims 2
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Description
第１図乃至第６図は本考案による照明装置の実
施例を示し、第１図は導光板の端面部分の拡大平
面図、第２図は本考案の照明装置を適用したスイ
ツチパネル装置の一部破断した外観斜視図、第３
図は第２図の装置の分解斜視図、第４図は第３図
中の一部分の拡大図、第５図は第２図中の一部分
の拡大断面図、第６図は第４図中の一部分の背面
詳細図及び第７図は従来装置の一例を示す断面図
である。
１１２…パネル板、１１２ｄ…文字、１２３…
光源、１６…導光板、１６６…球面穴。
1 to 6 show embodiments of the lighting device according to the present invention, FIG. 1 is an enlarged plan view of the end face portion of the light guide plate, and FIG. 2 is an example of a switch panel device to which the lighting device of the present invention is applied. Partly broken external perspective view, 3rd
The figure is an exploded perspective view of the device in Figure 2, Figure 4 is an enlarged view of a portion of Figure 3, Figure 5 is an enlarged sectional view of a portion of Figure 2, and Figure 6 is an enlarged view of a portion of Figure 4. A detailed rear view of a portion and FIG. 7 are cross-sectional views showing an example of a conventional device. 112...Panel board, 112d...Character, 123...
Light source, 16...Light guide plate, 166... Spherical hole.
Claims (1)
面に形成した乱反射部において乱反射させ、該乱
反射光により複数の透光性の文字を付したパネル
板の背面を照明し、該照明光をパネル板の文字の
部分で透過させるようにした照明装置において、 前記導光板面の乱反射部を規則的に配列した多
数の球面穴により形成したことを特徴とする照明
装置。[Claims for Utility Model Registration] Light from a light source guided through a light guide plate is diffusely reflected by a diffused reflection section formed on the surface of the light guide plate, and the back surface of a panel board with a plurality of translucent characters is illuminated by the diffusely reflected light. The illumination device is characterized in that the illumination light is transmitted through the character portion of the panel board, wherein the diffused reflection portion of the light guide plate surface is formed by a large number of regularly arranged spherical holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11161386U JPS6319298U (en) | 1986-07-21 | 1986-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11161386U JPS6319298U (en) | 1986-07-21 | 1986-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6319298U true JPS6319298U (en) | 1988-02-08 |
Family
ID=30991699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11161386U Pending JPS6319298U (en) | 1986-07-21 | 1986-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6319298U (en) |
-
1986
- 1986-07-21 JP JP11161386U patent/JPS6319298U/ja active Pending