CN2544305Y - Light guiding board structure - Google Patents
Light guiding board structure Download PDFInfo
- Publication number
- CN2544305Y CN2544305Y CN 02231812 CN02231812U CN2544305Y CN 2544305 Y CN2544305 Y CN 2544305Y CN 02231812 CN02231812 CN 02231812 CN 02231812 U CN02231812 U CN 02231812U CN 2544305 Y CN2544305 Y CN 2544305Y
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- China
- Prior art keywords
- light
- guide plate
- light guide
- light source
- lines
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Abstract
A structure of a light guiding plate comprises a light emitting surface and a back surface which is provided with a plurality of grooves; the light guiding plate is provided with four sides, one of the side is provided with a light source and another adjacent side is provided with another light source; a lighttight component is attached to the back and each side of the light guiding plate, and stretches to be enclosed inside the two light sources on the one side and another adjacent side, wherein, the one side is provided with lines. Therefore, when the light source on the side with lines is turned off, an acute light ray can be obtained by turning on the light source on the adjacent side; when the light source on the side with lines is turned on, a soft light ray can be obtained by turning off the light source on the adjacent side.
Description
Technical field
The utility model relates to a kind of liquid crystal screen display upper-part, relate in particular to a kind of structural improvement of light guide plate, the side of this light guide plate is provided with this lines of lines and can be a plurality of dimpled grains, sandblast lines or embossing decorative pattern, and this light guide plate has the other light source that is provided with of side of dimpled grain, and arrange in pairs or groups and do not have an other light source of dimpled grain side, make the light guide plate exiting surface can produce sharp keen and even soft light.
Background technology
Have the light guide plate (as shown in Figure 1) on the displays such as being used for LCD screen now, this light guide plate 2a is provided with an exiting surface 21a; One back side 22a, this back side 22a is provided with plurality of grooves 27a; This light guide plate 2a can place in the guiding device 1a (as shown in Figures 2 and 3), the other light source 3a that respectively is provided with of the left side limit 25a of this light guide plate 2a, a right edge 26a, one light tight assembly 4a is a back side 22a, a upper side edge 23a, a lower side 24a, this limit, left side 25a and this right edge 26a that is attached at this light guide plate 2a, and extend to this limit, left side 25a and this right edge 26a and to coat this two light source 3a in it, and on this light guide plate 2a, form the state of a driving fit, in order to preventing light, and cause the deficiency of this exiting surface 21a brightness from other side dissipation; This light tight assembly 4a and being used for reflects light in this light guide plate 2a increasing the briliancy of this exiting surface 21a, and makes brightness even.Light emits from this two light source 3a, the synoptic diagram of opticpath (as shown in Figure 3A), after light is incident to the groove 27a at this light guide plate back side, reflex to the exiting surface 21a of this light guide plate 2a, make this exiting surface 21a luminous, make this light guide plate 2a have the effect of leaded light, but existing light guide plate 2a is when using, this exiting surface 21a has the soft situation of brightness irregularities and takes place, so can not make this light guide plate exiting surface produce evenly soft light.
Take a broad view of above-mentioned existing light conducting plate structure, can not make this light guide plate exiting surface produce evenly soft light, edge is, the improving of the utility model people thoughts the problems referred to above, be that the spy concentrates on studies and cooperates the utilization of scientific principle, propose a kind of reasonable in design and effectively improve the utility model of the problems referred to above.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of light conducting plate structure of improvement, can solve the problem that this light guide plate exiting surface can not produce evenly soft light, thereby make this light guide plate exiting surface can produce sharp keen light and even soft light.
To achieve these goals, the utility model provides a kind of light conducting plate structure, comprise: an exiting surface, a back side, this back side is provided with a plurality of grooves and this light guide plate has four sides, a side wherein is provided with a light source, and another adjacent side is provided with another light source, and a light tight assembly is this back side and each side that is attached at this light guide plate, and this two light source that extend to coat this side and this another adjacent side is in wherein, and this side wherein is provided with a lines; Whereby, when this side light source with lines is closed, the light source of this adjacent side is opened, can be obtained sharp keen light; And when this side light source with lines is opened, the light source of this adjacent side is closed, can obtain soft light.
Above-mentioned light conducting plate structure, its characteristics are that another adjacent side of this dual side-edge of described light guide plate adds another light source, form this light guide plate side and have three light sources.
Above-mentioned light conducting plate structure, its characteristics are that the dual side-edge in addition of this dual side-edge of described light guide plate adds two light sources in addition, form this light guide plate side and have four light sources, and add another lines with respect to wherein this another side of this side with lines.
Above-mentioned light conducting plate structure, its characteristics are that described lines is a plurality of dimpled grains, sandblast lines or embossing decorative pattern.
Above-mentioned light conducting plate structure, its characteristics are that the V-shape cross section angle of described dimpled grain is greater than 90 °.
Above-mentioned light conducting plate structure, its characteristics are that the V-shape cross section angle of described groove is greater than 90 °.
For further understanding feature of the present utility model and technology contents, see also following about detailed content of the present utility model and accompanying drawing, now for a preferable feasible embodiment and cooperate graphic detailed description as after, believe the purpose of this utility model, feature and advantage, go deep into and concrete understanding when getting one thus.
Description of drawings
Fig. 1 is the synoptic diagram of existing light conducting plate structure;
Fig. 2 is the vertical view of existing light conducting plate structure;
Fig. 3 is the cut-open view of existing light conducting plate structure;
Fig. 3 A is the part cutaway view Amplified image of existing light conducting plate structure, and it discloses the operating state of light guide plate and incident light source;
Fig. 4 is the light guide plate synoptic diagram of structure improved first embodiment of the utility model light guide plate;
Fig. 5 is the light guide plate vertical view of structure improved first embodiment of the utility model light guide plate;
Fig. 5 A is the light guide plate partial structure enlarged drawing of structure improved first embodiment of the utility model light guide plate, and it discloses the operating state of light guide plate and incident light source;
Fig. 6 is the vertical view of structure improved second embodiment of the utility model light guide plate;
Fig. 7 is the vertical view of structure improved the 3rd embodiment of the utility model light guide plate.
Embodiment
Embodiment
In Fig. 4, Fig. 5, Fig. 5 A, the utility model light guide plate structure-improved comprises: guiding device 1, light guide plate 2, light source 3, light tight assembly 4, exiting surface 21, the back side 22, upper side edge 23, lower side 24, limit, left side, right edge, groove 27, lines 28.Wherein, upper side edge 23 in a light guide plate 2 is provided with a lines 28, this lines 28 can be a plurality of dimpled grains, sandblast lines or embossing decorative pattern, when this lines 28 is a plurality of dimpled grain, the V-shape cross section angle of the groove 27 at this dimpled grain and this back side 22 makes the light near the light source 3 of lines 28, when inciding the inside of this light guide plate 2 all greater than 90 °, can produce more scattering (shown in Fig. 5 A), make the brightness of exiting surface 21 evenly soft.And when using, this light source 3 on limit 25, light guide plate left side can be closed, and the light source 3 of unlatching upper side edge so can obtain evenly soft light; As obtaining sharp keen light, can open the light source 3 on limit 25, left side, and close the light source 3 of upper side edge 23.
Structure improved second embodiment of the utility model light guide plate (as shown in Figure 6), for the upper side edge 23 in a light guide plate 2 is provided with a lines 28, and this light source 3 is located at limit, left side 25, right edge 26 and the upper side edge 23 of this light guide plate respectively, this lines 28 makes the light near the light source 3 of upper side edge 23, when inciding the inside of this light guide plate 2, can produce more scattering, make the brightness of this exiting surface 21 evenly soft.This light source 3 of light guide plate limit 25, left side and right edge 26 can be closed during use, and the light source 3 of unlatching upper side edge 23 so can obtain evenly soft light; As obtaining sharp keen light, can close the light source 3 of upper side edge 23, and open the light source 3 of limit 25, left side and right edge 26.
Structure improved the 3rd embodiment of the utility model light guide plate (as shown in Figure 7), for a lower side 24 and upper side edge 23 in a light guide plate 2 are provided with a lines 28, and this light source 3 is located at limit, left side 25, right edge 26 and upper side edge 23 and the lower side 24 of this light guide plate respectively, this lines 28 makes the light near the light source 3 of upper side edge 23 and lower side 24, when inciding the inside of this light guide plate 2, can produce more scattering, make the brightness of this exiting surface 21 evenly soft.The light source of upper side edge 23 and lower side 24 can be opened in use, the light source of limit, left side 25 and right edge 26 is closed, and so can obtain evenly soft light; As obtaining sharp keen light, can open the light source 3 of limit 25, left side and right edge 26, and close the light source of upper side edge 23 and lower side 24.
Certainly; the above only is a plurality of preferred embodiment of the present utility model; it is not used to limit to practical range of the present utility model; anyly have the knack of this skill person and all should belong to scope of the present utility model in any modification of doing without prejudice to spirit of the present utility model, therefore protection domain of the present utility model is when being as the criterion with the claimed scope of claims.
Claims (6)
1. light conducting plate structure, it is characterized in that, comprise: an exiting surface, a back side, this back side is provided with a plurality of grooves and this light guide plate has four sides, a side wherein is provided with a light source, and another adjacent side is provided with another light source, and a light tight assembly is attached at this back side and each side of this light guide plate, and this two light source that extend to coat this side and this another adjacent side is in wherein, and this side wherein is provided with a lines.
2. light conducting plate structure as claimed in claim 1 is characterized in that another adjacent side of this dual side-edge of described light guide plate adds another light source, forms this light guide plate side and has three light sources.
3. light conducting plate structure as claimed in claim 1, the dual side-edge in addition that it is characterized in that this dual side-edge of described light guide plate adds two light sources in addition, form this light guide plate side and have four light sources, and add another lines with respect to wherein this another side of this side with lines.
4. light conducting plate structure as claimed in claim 1 is characterized in that described lines is a plurality of dimpled grains, sandblast lines or embossing decorative pattern.
5. light conducting plate structure as claimed in claim 4, the V-shape cross section angle that it is characterized in that described dimpled grain is greater than 90 °.
6. light conducting plate structure as claimed in claim 1, the V-shape cross section angle that it is characterized in that described groove is greater than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231812 CN2544305Y (en) | 2002-05-28 | 2002-05-28 | Light guiding board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231812 CN2544305Y (en) | 2002-05-28 | 2002-05-28 | Light guiding board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2544305Y true CN2544305Y (en) | 2003-04-09 |
Family
ID=33707436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02231812 Expired - Fee Related CN2544305Y (en) | 2002-05-28 | 2002-05-28 | Light guiding board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2544305Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465724C (en) * | 2004-10-12 | 2009-03-04 | 三星电子株式会社 | Light illuminating unit and liquid crystal display device having the same |
| CN100468157C (en) * | 2005-11-01 | 2009-03-11 | 鸿富锦精密工业（深圳）有限公司 | Light guidance plate |
-
2002
- 2002-05-28 CN CN 02231812 patent/CN2544305Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465724C (en) * | 2004-10-12 | 2009-03-04 | 三星电子株式会社 | Light illuminating unit and liquid crystal display device having the same |
| CN100468157C (en) * | 2005-11-01 | 2009-03-11 | 鸿富锦精密工业（深圳）有限公司 | Light guidance plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030409 Termination date: 20110528 |