JPH03119912U - - Google Patents
Info
- Publication number
- JPH03119912U JPH03119912U JP2851590U JP2851590U JPH03119912U JP H03119912 U JPH03119912 U JP H03119912U JP 2851590 U JP2851590 U JP 2851590U JP 2851590 U JP2851590 U JP 2851590U JP H03119912 U JPH03119912 U JP H03119912U
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- light guide
- sheet
- lighting device
- diffusion sheet
- 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
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims 1
Description
第１図は、本考案の実施例１の構造を示す断面
図。第２図は、本考案は固定構造を示す断面図。
第３図は、本考案の実施例２の構造を示す断面図
。第４図は、本考案の全周固定による照明装置の
概略の構造を示す平面図。第５図は、本考案の一
部固定による照明装置の構造を示す断面図。第６
図ａは従来の構造を示す平面図。第６図ｂは従来
の構造を示す断面図。第７図は、他の従来の構造
を示す断面図。
１……導光板、２……拡散シート、３……反射
シート、４……固定シート、４′……固定シート
、５……フレーム、６……熱かしめ部、７……両
面テープ、８……棒状光源、９……蓋、１０……
光導入端面。
FIG. 1 is a sectional view showing the structure of Example 1 of the present invention. FIG. 2 is a sectional view showing the fixing structure of the present invention.
FIG. 3 is a sectional view showing the structure of Example 2 of the present invention. FIG. 4 is a plan view showing the general structure of the lighting device of the present invention which is fixed all around. FIG. 5 is a sectional view showing the structure of a partially fixed lighting device according to the present invention. 6th
Figure a is a plan view showing a conventional structure. FIG. 6b is a sectional view showing a conventional structure. FIG. 7 is a sectional view showing another conventional structure. 1...Light guide plate, 2...Diffusion sheet, 3...Reflection sheet, 4...Fixing sheet, 4'...Fixing sheet, 5...Frame, 6...Thermal caulking part, 7...Double-sided tape, 8 ... Rod-shaped light source, 9 ... Lid, 10 ...
Light introduction end face.
Claims (1)
により構成される平面照明装置において、該導光
板光出光面に拡散シートを、該導光板の光出光面
に対向する面に反射シートを配置し、前記拡散シ
ート及び導光板を固定シートにより一体に固定す
る事を特徴とする照明装置。 ２ 前記拡散シート・導光板及び反射シートを固
定シートにより一体に固定する事を特徴とする請
求項１記載の照明装置。[Claims for Utility Model Registration] 1. A flat illumination device composed of a light guide plate and a rod-shaped light source disposed adjacent to the end face of the light guide plate, in which a diffusion sheet is provided on the light emitting surface of the light guide plate, and a diffusion sheet is provided opposite to the light emitting surface of the light guide plate. A lighting device characterized in that a reflective sheet is disposed on a surface of the lighting device, and the diffusion sheet and the light guide plate are fixed together with a fixing sheet. 2. The lighting device according to claim 1, wherein the diffusion sheet/light guide plate and reflection sheet are fixed together by a fixing sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2851590U JPH03119912U (en) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2851590U JPH03119912U (en) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119912U true JPH03119912U (en) | 1991-12-10 |
Family
ID=31531312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2851590U Pending JPH03119912U (en) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014203602A (en) * | 2013-04-02 | 2014-10-27 | ミネベア株式会社 | Planar lighting device |
| JP2017059351A (en) * | 2015-09-15 | 2017-03-23 | ミネベアミツミ株式会社 | Planar lighting device |
-
1990
- 1990-03-20 JP JP2851590U patent/JPH03119912U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014203602A (en) * | 2013-04-02 | 2014-10-27 | ミネベア株式会社 | Planar lighting device |
| JP2017059351A (en) * | 2015-09-15 | 2017-03-23 | ミネベアミツミ株式会社 | Planar lighting device |