JPH01105903U - - Google Patents
Info
- Publication number
- JPH01105903U JPH01105903U JP20104887U JP20104887U JPH01105903U JP H01105903 U JPH01105903 U JP H01105903U JP 20104887 U JP20104887 U JP 20104887U JP 20104887 U JP20104887 U JP 20104887U JP H01105903 U JPH01105903 U JP H01105903U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical filter
- metal layer
- semi
- filter according
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
Description
第１図は、本考案の一実施例である光学フイル
タを示す概略断面図、第２図ａ，ｂは、半透過金
属層における遮光部と透明部との形状を示す拡大
部分平面図、第３図は、本実施例の光学フイルタ
を面照光表示装置に装着した状態を示す斜視図で
ある。
１……光学フイルタ、２……円偏光板、３……
半透過金属層、４……プラスチツクフイルム、５
……遮光部、６……透明部、７……面照光表示装
置、８……容器、１０……導光レンズ、１１……
光源、１２……リードピン、Ｌ１……外光、Ｌ２
……光（光源からの光）。
FIG. 1 is a schematic cross-sectional view showing an optical filter that is an embodiment of the present invention, FIGS. FIG. 3 is a perspective view showing a state in which the optical filter of this embodiment is attached to a surface illumination display device. 1... Optical filter, 2... Circularly polarizing plate, 3...
Semi-transparent metal layer, 4...Plastic film, 5
... Light shielding part, 6 ... Transparent part, 7 ... Surface illumination display device, 8 ... Container, 10 ... Light guide lens, 11 ...
Light source, 12... Lead pin, L 1 ... External light, L 2
...Light (light from a light source).
Claims (1)
されてなる光学フイルタ。 (2) 上記半透過金属層が、円偏光板の一主面に
貼着された透光フイルムの表面に被着形成されて
いることを特徴とする実用新案登録請求の範囲第
１項に記載の光学フイルタ。 (3) 上記半透過金属層が、所定形状に透光部と
遮光部とが配置されて構成されていることを特徴
とする実用新案登録請求の範囲第２項に記載の光
学フイルタ。 (4) 上記遮光部または上記透光部が格子状に形
成されていることを特徴とする実用新案登録請求
の範囲第３項に記載の光学フイルタ。 (5) 上記遮光部または上記透光部が散点状に形
成されていることを特徴とする実用新案登録請求
の範囲第３項に記載の光学フイルタ。 (6) 半透過金属層の光透過率が５０％であるこ
とを特徴とする実用新案登録請求の範囲第１項〜
第５項のいずれかに記載の光学フイルタ。[Claims for Utility Model Registration] (1) An optical filter in which a semi-transparent metal layer is formed on one main surface side of a circularly polarizing plate. (2) The above-mentioned semi-transparent metal layer is formed on the surface of a transparent film adhered to one main surface of a circularly polarizing plate, as set forth in claim 1 of the utility model registration claim. optical filter. (3) The optical filter according to claim 2, wherein the semi-transparent metal layer is configured with a light-transmitting part and a light-blocking part arranged in a predetermined shape. (4) The optical filter according to claim 3, wherein the light-shielding portion or the light-transmitting portion is formed in a grid shape. (5) The optical filter according to claim 3, wherein the light-shielding portion or the light-transmitting portion is formed in a dotted manner. (6) Utility model registration claims characterized in that the semi-transparent metal layer has a light transmittance of 50%, item 1~
The optical filter according to any one of Item 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20104887U JPH01105903U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20104887U JPH01105903U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105903U true JPH01105903U (en) | 1989-07-17 |
Family
ID=31491428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20104887U Pending JPH01105903U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105903U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260902A (en) * | 1984-06-08 | 1985-12-24 | Hitachi Ltd | Polarizing plate for liquid crystal display element |
-
1987
- 1987-12-29 JP JP20104887U patent/JPH01105903U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260902A (en) * | 1984-06-08 | 1985-12-24 | Hitachi Ltd | Polarizing plate for liquid crystal display element |
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