JPS6438678U - - Google Patents
Info
- Publication number
- JPS6438678U JPS6438678U JP13302187U JP13302187U JPS6438678U JP S6438678 U JPS6438678 U JP S6438678U JP 13302187 U JP13302187 U JP 13302187U JP 13302187 U JP13302187 U JP 13302187U JP S6438678 U JPS6438678 U JP S6438678U
- Authority
- JP
- Japan
- Prior art keywords
- transparent
- microspheres
- diffusing plate
- light diffusing
- light
- 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
- 239000004005 microsphere Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の実施例を示す要部拡大断面図
、第２図は本考案の光拡散板を光源と組合せた状
態を示す斜視図である。
１……透明樹脂層、２……ガラス微小球、３…
…焦点樹脂層。
FIG. 1 is an enlarged sectional view of a main part showing an embodiment of the present invention, and FIG. 2 is a perspective view showing a state in which the light diffusing plate of the present invention is combined with a light source. 1...Transparent resin layer, 2...Glass microspheres, 3...
...focal resin layer.
Claims (1)
過させる光拡散板において、透明樹脂層にほぼ半
球を露出して埋設された透明微小球の単層と、光
源に対向させる前記透明微小球の露出面に沿うよ
うに形成された焦点樹脂層とからなる光拡散板。 (2) 前記透明微小球が１．９〜２．３の屈折率
を有するガラス微小球である実用新案登録請求の
範囲第１項記載の光拡散板。 (3) 前記透明微小球が粒径２０〜２００μｍな
るガラス微小球である実用新案登録請求の範囲第
１項または第２項記載の光拡散板。[Claims for Utility Model Registration] (1) A light diffusing plate placed in front of a light source that diffuses and transmits incident light, including a single layer of transparent microspheres embedded in a transparent resin layer with almost a hemisphere exposed; and a focusing resin layer formed along the exposed surface of the transparent microsphere facing the light source. (2) The light diffusing plate according to claim 1, wherein the transparent microspheres are glass microspheres having a refractive index of 1.9 to 2.3. (3) The light diffusing plate according to claim 1 or 2, wherein the transparent microspheres are glass microspheres having a particle size of 20 to 200 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13302187U JPS6438678U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13302187U JPS6438678U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438678U true JPS6438678U (en) | 1989-03-08 |
Family
ID=31390516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13302187U Pending JPS6438678U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438678U (en) |
-
1987
- 1987-08-31 JP JP13302187U patent/JPS6438678U/ja active Pending
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