CN2559013Y - Improved structure of back light board of liquid crystal display - Google Patents
Improved structure of back light board of liquid crystal display Download PDFInfo
- Publication number
- CN2559013Y CN2559013Y CN 02242027 CN02242027U CN2559013Y CN 2559013 Y CN2559013 Y CN 2559013Y CN 02242027 CN02242027 CN 02242027 CN 02242027 U CN02242027 U CN 02242027U CN 2559013 Y CN2559013 Y CN 2559013Y
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- CN
- China
- Prior art keywords
- backlight
- liquid crystal
- crystal display
- diffusion region
- printed
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an improved structure of a backlight plate of a liquid crystal display. A liquid crystal display panel is arranged in front of a frame, a backlight plate is arranged behind the liquid crystal display panel, a lamp tube is arranged behind a backlight plate, a plurality of long strip shape diffusion zones are printed on the backlight plate, a plurality of interference points are printed on the diffusion zones and distributed according to the brightness, and the interference points distributed on the brighter zones are more dense and are of larger particles; the lamp tube is respectively arranged below each diffusion zone. Thereby the light rays generate destructive interference to obtain uniformized photometric brightness.
Description
Technical field
The utility model relates to a kind of backlight liquid crystal display plate structure-improved, especially refers to a kind of backlight structure that is installed in the LCD panel rear.
Background technology
Press, general LCD (LCD) is present very general display, the advantage that it has power saving and is easy to carry about with one, and have the advantage that is easy to carry about with one, and must be applied to the electrical equipment of portable, on electric equipment products such as computer, mobile phone, PDA.
And the structure of LCD (LCD), install a LCD panel in a framework the place ahead, and be equiped with a backlight at the LCD panel rear, and at backlight side installing fluorescent tube, the light that fluorescent tube is produced is radiated on the LCD panel by backlight diffusion light, in order to do with display frame.
And known backlight in order to even distribution light source forms the luminous point in order to optically focused on a transparent acrylic plate, must be by luminous point optically focused and reflection with the mean allocation light source, to reach the purpose of transmitting diffusion light when making light source enter backlight.
Yet known backlight reaches the purpose of luminosity homogeneous in the mode of optically focused, and the diffusion effect that can reach with optically focused and reflection way is limited, and especially fluorescent tube is installed in the side of backlight, seriously decay when light arrives the center; Though have the luminous point that is able to optically focused and reflection can improve luminosity on backlight, the effect that can reach is limited, the luminosity of this center is still on the low side, therefore can't reach the purpose of comprehensive luminosity homogeneous.
Summary of the invention
The purpose of this utility model is to provide a kind of backlight liquid crystal display plate structure-improved, the backlight that mainly is installed in the LCD panel rear is printed with the diffusion region of a plurality of strips, and below each diffusion region, be equiped with fluorescent tube, in order to do making light produce destruction interference by the interference point on the diffusion region of backlight to reach the luminosity homogeneous.
The utility model is to provide a kind of backlight liquid crystal display plate structure-improved, install a LCD panel in a framework the place ahead, and be equiped with a backlight at the LCD panel rear, and at backlight rear installing fluorescent tube, be printed with the diffusion region of a plurality of strips on this backlight, and this diffusion region is printed with a plurality of interference points, and this interference point is according to lightness distribution, and brighter zone is closeer and particle is bigger; Install above-mentioned fluorescent tube respectively in each below, diffusion region again.
The utility model makes light produce destruction interference to reach the luminosity homogeneous.
Description of drawings
Fig. 1 assembling synoptic diagram of the present utility model.
Fig. 2 backlight front elevation of the present utility model.
Embodiment
For making the utility model clear and definite more full and accurate, cooperate following each diagram to describe in detail as the back now:
At first, see also Fig. 1 and Fig. 2, the utility model is installed a LCD panel 2 in a framework 1 the place ahead, and be equiped with a backlight 3 at LCD panel 2 rears, and at backlight 3 rears installings fluorescent tube 4, and must be radiated on the LCD panel 2 by backlight 3 diffusion light, in order to do with display frame; Its feature is to be:
Be printed with the diffusion region 31 of a plurality of strips on this backlight 3, and this diffusion region 31 is printed with a plurality of interference point 31a in the mode of printing, and this interference point 31a is according to lightness distribution, brighter zone is closeer and particle is bigger; Install above-mentioned fluorescent tube 4 respectively in each 31 belows, diffusion region again, in order to do making light produce destruction interference by the interference point 31a on the diffusion region 31 of backlight 3 to reach the luminosity homogeneous.
According to above-mentioned structure, owing to be printed with the diffusion region 31 of a plurality of strips on this backlight 3, and below each diffusion region 31 installing fluorescent tube 4, and the interference point 31a of diffusion region 31 is according to lightness distribution, brighter zone is closeer and particle is bigger, when light impinges upon the interference point 31a of diffusion region 3, must make the light that sees through produce interference mutually by each interference point 31a, and the position is in the some area maximum of the interference point 31a in fluorescent tube 4 dead aheads, some area toward both sides then dwindles gradually outward and spreads more, so can make luminosity homogeneous through backlight 3, thus preferable result of use arranged.
Comprehensive the above, the disclosed structure of the utility model does not in the past have, and can reach above-mentioned effect really, manages the important document that has possessed utility model patent, files an application utility model patent in accordance with the law.
Claims (1)
1, a kind of backlight liquid crystal display plate structure-improved, install a LCD panel in a framework the place ahead, and be equiped with a backlight at the LCD panel rear, and at backlight rear installing fluorescent tube, it is characterized in that: the diffusion region that is printed with a plurality of strips on this backlight, and this diffusion region is printed with a plurality of interference points, and this interference point is according to lightness distribution, and brighter zone is closeer and particle is bigger; Install above-mentioned fluorescent tube respectively in each below, diffusion region again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02242027 CN2559013Y (en) | 2002-07-22 | 2002-07-22 | Improved structure of back light board of liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02242027 CN2559013Y (en) | 2002-07-22 | 2002-07-22 | Improved structure of back light board of liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2559013Y true CN2559013Y (en) | 2003-07-02 |
Family
ID=33714706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02242027 Expired - Fee Related CN2559013Y (en) | 2002-07-22 | 2002-07-22 | Improved structure of back light board of liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2559013Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8045086B2 (en) | 2006-06-29 | 2011-10-25 | Lg Display Co., Ltd. | Lamp guide with optical member holder and liquid crystal display device having the same |
-
2002
- 2002-07-22 CN CN 02242027 patent/CN2559013Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8045086B2 (en) | 2006-06-29 | 2011-10-25 | Lg Display Co., Ltd. | Lamp guide with optical member holder and liquid crystal display device having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |