JPH0278925U - - Google Patents
Info
- Publication number
- JPH0278925U JPH0278925U JP15917088U JP15917088U JPH0278925U JP H0278925 U JPH0278925 U JP H0278925U JP 15917088 U JP15917088 U JP 15917088U JP 15917088 U JP15917088 U JP 15917088U JP H0278925 U JPH0278925 U JP H0278925U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- liquid crystal
- crystal display
- display device
- shape
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 description 2
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の液晶表示装置の照明装置の実
施例を示す断面図、第２図は本考案の液晶表示装
置の照明装置の他の実施例を示す断面図、第３図
は従来の液晶表示装置の照明装置の実施例を示す
断面図である。
１……液晶表示装置、２……光源、３……反射
板、４……拡散板、４ａ……拡散フイルム、５…
…液晶表示装置固定枠、５ａ……引つ掛け部、６
……シールド板Ａ、７……回路基板、８……シー
ルド板Ｂ。
FIG. 1 is a sectional view showing an embodiment of the lighting device for a liquid crystal display device of the present invention, FIG. 2 is a sectional view showing another embodiment of the lighting device for a liquid crystal display device of the invention, and FIG. 1 is a cross-sectional view showing an example of a lighting device for a liquid crystal display device. DESCRIPTION OF SYMBOLS 1...Liquid crystal display device, 2...Light source, 3...Reflection plate, 4...Diffusion plate, 4a...Diffusion film, 5...
...Liquid crystal display device fixing frame, 5a...Hook part, 6
...Shield board A, 7...Circuit board, 8...Shield board B.
Claims (1)
液晶表示装置の表示内容を鮮明に映し出す光源、
反射部材、拡散部材を有する液晶表示装置の照明
装置において、前記光源から発せられる光線を前
記液晶表示装置に均一に照射するように、前記光
源の下部には放物線、疑似放物線、フレネル状等
の断面形状をした前記反射部材を設け、前記光源
の上部には前記光源からの直射光及び前記反射部
材からの反射光を透過、拡散させる前記拡散部材
を設けてなり、該拡散部材が前記光源を挟んで前
記反射部材の断面形状と対向する湾曲形状または
前記反射部材の断面形状と逆の放物線、疑似放物
線形状を形成したことを特徴とする液晶表示装置
の照明装置。 A liquid crystal display device that displays text, image information, etc., a light source that clearly displays the display contents of the liquid crystal display device,
In an illumination device for a liquid crystal display device having a reflecting member and a diffusing member, a cross section of a parabola, pseudo-parabola, Fresnel shape, etc. is provided below the light source so that the light beam emitted from the light source uniformly irradiates the liquid crystal display device. The reflecting member having a shape is provided, and the diffusing member is provided above the light source to transmit and diffuse the direct light from the light source and the reflected light from the reflecting member, and the diffusing member sandwiches the light source. An illumination device for a liquid crystal display device, characterized in that the lighting device has a curved shape opposite to the cross-sectional shape of the reflective member, or a parabola or pseudo-parabolic shape opposite to the cross-sectional shape of the reflective member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15917088U JPH0278925U (en) | 1988-12-07 | 1988-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15917088U JPH0278925U (en) | 1988-12-07 | 1988-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0278925U true JPH0278925U (en) | 1990-06-18 |
Family
ID=31440146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15917088U Pending JPH0278925U (en) | 1988-12-07 | 1988-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0278925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03194515A (en) * | 1989-12-25 | 1991-08-26 | Sanyo Electric Co Ltd | Liquid crystal display device |
-
1988
- 1988-12-07 JP JP15917088U patent/JPH0278925U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03194515A (en) * | 1989-12-25 | 1991-08-26 | Sanyo Electric Co Ltd | Liquid crystal display device |
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