JPH0264920U - - Google Patents
Info
- Publication number
- JPH0264920U JPH0264920U JP14452388U JP14452388U JPH0264920U JP H0264920 U JPH0264920 U JP H0264920U JP 14452388 U JP14452388 U JP 14452388U JP 14452388 U JP14452388 U JP 14452388U JP H0264920 U JPH0264920 U JP H0264920U
- Authority
- JP
- Japan
- Prior art keywords
- present
- light source
- illuminance distribution
- flat light
- light emitters
- 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
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の平面光源の断面図である。第
２図は本考案を説明する図である。第３図は本考
案を説明する従来方式の構成図である。第４図は
従来の平面光源の断面図である。第５図は従来の
平面光源を用いた液晶表示ユニツトの構成断面図
である。第６図は本考案の平面光源を用いた液晶
表示ユニツトの構成断面図である。第７図は本考
案による照度分布である。第８図は本考案による
ライテイングカーテインを通した照度分布を示す
図である。第９図は本考案によるＣＣＦＴの間の
幅を広げた時の照度分布を示す図である。第１０
図は本考案による平面光源で反射板の中央部凸部
を可変にした時の表示ユニツトの構成断面図であ
る。
１…液晶表示パネル、２…ライテイングカーテ
イン、３…反射板、４…ＣＣＦＴ、５…散乱板、
６…ベゼル、７…基板、８…凸部、９…凸部角度
可変用ネジ棒、１０…従来の方式でのライテイン
グカーテインに照射する光の照度分布曲線、１１
…従来の方式でのライテイングカーテインを通つ
た光の照度分布曲線、１２…本考案でのラインテ
イングカーテインに照射する光の照度分布曲線、
１３…本考案でのライテイングカーテインを通つ
た光の照度分布曲線。
FIG. 1 is a sectional view of the flat light source of the present invention. FIG. 2 is a diagram explaining the present invention. FIG. 3 is a block diagram of a conventional system for explaining the present invention. FIG. 4 is a sectional view of a conventional flat light source. FIG. 5 is a cross-sectional view of a liquid crystal display unit using a conventional flat light source. FIG. 6 is a sectional view of a liquid crystal display unit using the flat light source of the present invention. FIG. 7 shows the illuminance distribution according to the present invention. FIG. 8 is a diagram showing the illuminance distribution through the lighting curtain according to the present invention. FIG. 9 is a diagram showing the illuminance distribution when the width between the CCFTs according to the present invention is widened. 10th
The figure is a sectional view of the structure of a display unit using a flat light source according to the present invention in which the central convex portion of the reflector is made variable. DESCRIPTION OF SYMBOLS 1... Liquid crystal display panel, 2... Lighting curtain, 3... Reflection plate, 4... CCFT, 5... Scattering plate,
6... Bezel, 7... Substrate, 8... Convex part, 9... Threaded rod for varying the angle of the convex part, 10... Illuminance distribution curve of light irradiated onto the lighting curtain in the conventional method, 11
...Illuminance distribution curve of light passing through the lighting curtain in the conventional method, 12...Illuminance distribution curve of light irradiating the lighting curtain in the present invention,
13...Illuminance distribution curve of light passing through the lighting curtain in the present invention.
Claims (1)
向へ反射する反射板が背面側へ設置されて成る平
面光源において、前記発光体の配列間隙中央附近
に対応する前記反射板面上に凸状の反射部が形設
されていることを特徴とする平面光源。 In a flat light source in which a plurality of light emitters are arranged in parallel and a reflector that reflects the light from the light emitters in one direction is installed on the back side, on the surface of the reflector corresponding to the vicinity of the center of the arrangement gap of the light emitters. A flat light source characterized by having a convex reflective portion formed on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14452388U JPH0264920U (en) | 1988-11-04 | 1988-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14452388U JPH0264920U (en) | 1988-11-04 | 1988-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0264920U true JPH0264920U (en) | 1990-05-16 |
Family
ID=31412309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14452388U Pending JPH0264920U (en) | 1988-11-04 | 1988-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0264920U (en) |
-
1988
- 1988-11-04 JP JP14452388U patent/JPH0264920U/ja active Pending
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