CN204882926U - Light guide plate subassembly, backlight unit and display - Google Patents
Light guide plate subassembly, backlight unit and display Download PDFInfo
- Publication number
- CN204882926U CN204882926U CN201520639303.8U CN201520639303U CN204882926U CN 204882926 U CN204882926 U CN 204882926U CN 201520639303 U CN201520639303 U CN 201520639303U CN 204882926 U CN204882926 U CN 204882926U
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- China
- Prior art keywords
- light guide
- guide plate
- plate assembly
- refractive power
- blast
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Abstract
The utility model provides a light guide plate subassembly, including the light guide plate, the light guide plate is including going into the plain noodles and going out the plain noodles, a side of light guide plate does go into the plain noodles, a surface of light guide plate does go out the plain noodles, the light guide plate subassembly is still including being long banding blast board, the blast board is located go into the plain noodles, the blast board has to be faced go into the plain noodles the first surface and back to go into the second surface on plain noodles, be provided with a plurality of edges on the second surface of blast board it is protruding that the length direction of blast board arranges the refraction that is the cockscomb structure. Simultaneously the utility model provides a backlight unit and the display that contain above -mentioned light guide plate. The utility model discloses improve the light guide plate from structural, can not increase the energy consumption, simple structure simultaneously, the effect is showing, and the cost is than prior art means greatly reduced. Adopt the utility model discloses the backlight unit and the display of light guide plate, the luminance height that is shaded, energy consumption are hanged down, the light -emitting is even, and the stable performance is reliable.
Description
Technical field
The utility model relates to display technology field, particularly relates to a kind of light guide plate assembly, backlight module and display.
Background technology
The each class of electronic devices be seen everywhere in society now all be unable to do without display, and user is also the critical port realizing man-machine communication by display while of display acquisition various information.In order to represent enough information, provide high-quality color and support multimedia application, the resolution of display must be enough, and color wants many, and the region of display is also the bigger the better, and these require the continuous increase that simultaneously also represent power consumption.TFT-LCD usually becomes the primary clustering of power consumption as the standard indicator of this series products, and for mancarried electronic aid, namely the lifting of power consumption means the shortening in cruising time, and the use sense that also directly affects mancarried electronic aid is subject to.
How balance is found to be one of emphasis of display producer concern now at display performance and cruising time, common way uses software algorithm to be optimized displaying contents, or use sensor to control display in one's spare time and enter dormancy to reduce power consumption for displays, although these class methods can reduce power consumption for displays, but cost is higher, compared to like product uncontested advantage in the market.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of light guide plate assembly, and when being intended to solve existing light guide plate maintenance high brightness, power consumption is higher, the technical matters that cost is higher.
For achieving the above object, the utility model proposes a kind of light guide plate assembly, comprise light guide plate, described light guide plate comprises incidence surface and exiting surface, one side of described light guide plate is described incidence surface, one surface of described light guide plate is described exiting surface, described light guide plate assembly also comprises the blast plate in strip, described incidence surface is located at by described blast plate, described blast plate has in the face of the first surface of described incidence surface and the second surface back to described incidence surface, the second surface of described blast plate arranges the refractive power projection of multiple length direction along described blast plate arrangement indentation.
Preferably, in above-mentioned a kind of light guide plate assembly, described refractive power is protruding along extended with the vertical direction of the length direction of described blast plate, and described refractive power projection is gradually narrow setting on the direction of the second surface away from described blast plate, to make the xsect of described refractive power projection be triangular shape
Preferably, in above-mentioned a kind of light guide plate assembly, between adjacent refractive power projection, spacing is 0-0.05mm.
Preferably, in above-mentioned a kind of light guide plate assembly, between adjacent refractive power projection, spacing is 0.02mm.
Preferably, in above-mentioned a kind of light guide plate assembly, described light guide plate is all covered with one deck reflectance coating relative on another surface of exiting surface and the side except described incidence surface.
Preferably, in above-mentioned a kind of light guide plate assembly, described reflectance coating is PET reflectance coating.
Preferably, in above-mentioned a kind of light guide plate assembly, described exiting surface is also covered with one deck diffusion barrier.
Preferably, in above-mentioned a kind of light guide plate assembly, described diffusion barrier is also covered with at least one deck brightness enhancement film.
The utility model also provides a kind of backlight module simultaneously, comprise fixed frame, base, illuminating source, black and white double faced adhesive tape and light guide plate assembly as above, described light guide plate assembly is fixed in described fixed frame, and described illuminating source is installed on the second surface position of corresponding described blast plate in described fixed frame; Described fixed frame is fixed on described base, and described black and white double faced adhesive tape is packaged in the periphery of described light guide plate exiting surface.
In addition, the utility model also provides a kind of display, comprises backlight module as above.
The light guide plate of the utility model technology, adds jagged refractive power protruding in incidence surface one end, incident light is penetrated by exiting surface after entering light guide plate after multi-angle refraction, thus plays the effect improving light guide plate luminance.The utility model improves light guide plate structure, can not increase energy consumption, and structure is simple simultaneously, and Be very effective, cost comparatively prior art means reduces greatly.
Adopt backlight module and the display of the utility model light guide plate, backlight illumination is high, energy consumption is low, uniform in light emission, stable and reliable for performance.
Accompanying drawing explanation
The structural representation of one embodiment of the light guide plate assembly that Fig. 1 provides for the utility model;
Fig. 2 is the light guide plate assembly one example structure sectional view shown in Fig. 1;
The backlight module one example structure schematic diagram that Fig. 3 provides for the utility model.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 1 | Light guide plate | 11 | Incidence surface |
| 12 | Exiting surface | 13 | Trapezoidal blast plate |
| 131 | Refractive power is protruding | 14 | Reflectance coating |
| 15 | Diffusion barrier | 16 | Brightness enhancement film |
| 2 | Fixed frame | 3 | Base |
| 4 | Illuminating source | 5 | Black and white double faced adhesive tape |
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, remove the technical scheme in the utility model embodiment, intactly describe, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Give the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of light guide plate assembly, comprises light guide plate 1, and light guide plate 1 is flat rectangular parallelepiped transparent panel, and light guide plate 1 one side is incidence surface 11, and a surface is the exiting surface 12 of beam projecting.It is inner that light injects light guide plate 1 through incidence surface 11, penetrates equably, with thinking that display provides backlight after refraction reflection from exiting surface 12.Leaded light of the present utility model, board component, a strip blast plate 13 has also been added in incidence surface 11 position, faced by blast plate 13, the one side of incidence surface 11 is first surface, another side back to incidence surface 11 is second surface 131, second surface 131 is provided with some refractive powers along the arrangement of blast plate 13 length direction indentation protruding.
In existing light guide plate, the angle that incident ray is injected through incidence surface is very single, namely vertically injects, and the exiting surface of this type of light guide plate may occur the situation of the insufficient lights such as blackening.The utility model has added blast plate 13 in incidence surface 11 position, refractive power blast plate 13 being provided with indentation arrangement is protruding, protruding by refractive power, refractive power in advance and optically focused process are carried out to incident ray, the light diffusion angle making to inject incidence surface 11 is wider, brightness is higher, thus realizing the object improving light guide plate luminance under the prerequisite not improving system power dissipation, cost is lower.
Preferably, the refractive power in such scheme is protruding along extended with the vertical direction of the length direction of blast plate 13, and refractive power projection is gradually narrow setting on the direction of the second surface away from blast plate 131, to make the xsect of described refractive power projection be triangular shape.
Preferably, in such scheme, between adjacent refractive power projection, spacing is 0-0.05mm, and preferably spacing can select 0.02mm.
Refractive power projection act as the diffusion angle increasing light before incident ray enters light guide plate 1, continuously arranged triangle projection is used to be carried out in advance reflecting and reflecting by incident ray, play the effect of optically focused to a certain extent, and then improve the brightness of light guide plate exiting surface 12.Arranging certain spacing between triangle projection is also refractive power in order to improve refractive power projection 131 further, and through great many of experiments, preferably distance values is 0-0.05mm, and wherein 0.02mm is an optional more excellent numerical value, and refractive power has better effect.
Preferably, see Fig. 2, in such scheme, one deck reflectance coating 14 can also be all pasted relative on another surface of exiting surface 12 and side except incidence surface 11 in light guide plate 1, reflectance coating 14 is generally opaque dark film, reflectance coating 14 is covered on light guide plate 1 relative on another surface of exiting surface 12 and the side except incidence surface 11, the light reflection of script scattering is returned light guide plate 1 inner, again penetrate from exiting surface 12, decrease light to scatter and disappear, improve the brightness of light guide plate 1.In this embodiment, reflectance coating 14 is preferably PET reflectance coating, and certain PET reflectance coating is one of them preferred embodiment, and reflectance coating 14 can be selected according to actual conditions and environment for use.
Preferably, see Fig. 2, in order to improve the brightness of light guide plate further, can also paste one deck diffusion barrier 15 on exiting surface 12, the effect of diffusion barrier 15 is, the light penetrated through exiting surface 12 is passed in the medium that refractive index is different, make light that many refractions, reflection and the phenomenon of scattering occur, uniformly area source is to reach the effect of optics diffusion to revise light, and the light through diffusion barrier 15 possesses wider rising angle, and then can improve the brightness of light guide plate 1.
As the improvement of the present embodiment, at least one deck brightness enhancement film 16 can also be pasted on diffusion barrier 15, the effect of brightness enhancement film 16 is to be controlled by the light that diffusion barrier 15 is launched to export in suitable angle, light guide plate 1 of simultaneously being turned back by part polarisation penetrates again, play the effect improving light guide plate 1 brightness, in this embodiment, diffusion barrier 15 is covered with two-layer brightness enhancement film 16.
Based on above-mentioned light guide plate 1, the utility model also provides a kind of backlight module simultaneously, and as shown in Figure 3, backlight module comprises above-mentioned light guide plate 1, fixed frame 2, base 3, illuminating source 4 and black and white double faced adhesive tape 5.Fixed frame 2 is rectangle chase, and light guide plate 1 surrounding is individually fixed on fixed frame 2 inner side end, and illuminating source 4 is arranged on corresponding blast plate 13 second surface 131 position inside fixed frame 2; Fixed frame 2 is fixing on the base 3, and black and white double faced adhesive tape 5 is packaged in the periphery of the exiting surface of light guide plate 1 simultaneously.
The backlight module that the utility model provides, the light that illuminating source 4 sends enters in light guide plate 1 through incidence surface 11, and penetrated by exiting surface 12, the light of edge the black region of black and white double faced adhesive tape 5 block, and are projeced on indicator screen after the light in the exiting surface 12 region white portion through black and white double faced adhesive tape 5.The Main Function of backlight module is as light guide plate 1 provides fixing, work that can be stable, and based on the light guide plate that the utility model provides, it is high that this backlight module possesses brightness equally, and power consumption is few, and the feature that cost is low, does not repeat one by one at this.
In addition, the utility model additionally provides a kind of display, comprises above-mentioned backlight module in this display, and based on the characteristic of above-mentioned backlight module, it is high that this display possesses brightness too, and power consumption is few, the feature that cost is low.
Should be noted that; the technical scheme of each embodiment of the present utility model can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time people should think that the combination of this technical scheme does not exist, also not the utility model require protection domain within.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a light guide plate assembly, comprise light guide plate, described light guide plate comprises incidence surface and exiting surface, one side of described light guide plate is described incidence surface, one surface of described light guide plate is described exiting surface, it is characterized in that, described light guide plate assembly also comprises the blast plate in strip, described incidence surface is located at by described blast plate, described blast plate has in the face of the first surface of described incidence surface and the second surface back to described incidence surface, and the refractive power second surface of described blast plate being provided with multiple length direction along described blast plate arrangement indentation is protruding.
2. light guide plate assembly as claimed in claim 1, it is characterized in that, described refractive power is protruding along extended with the vertical direction of the length direction of described blast plate, and described refractive power projection is gradually narrow setting on the direction of the second surface away from described blast plate, to make the xsect of described refractive power projection be triangular shape.
3. light guide plate assembly as claimed in claim 1, it is characterized in that, between adjacent refractive power projection, spacing is 0-0.05mm.
4. light guide plate assembly as claimed in claim 3, it is characterized in that, between adjacent refractive power projection, spacing is 0.02mm.
5. light guide plate assembly as claimed in claim 1, is characterized in that, described light guide plate is all covered with one deck reflectance coating relative on another surface of exiting surface and the side except described incidence surface.
6. light guide plate assembly as claimed in claim 5, it is characterized in that, described reflectance coating is PET reflectance coating.
7. light guide plate assembly as claimed in claim 1, is characterized in that, described exiting surface is also covered with one deck diffusion barrier.
8. light guide plate assembly as claimed in claim 7, is characterized in that, described diffusion barrier is also covered with at least one deck brightness enhancement film.
9. a backlight module, it is characterized in that, comprise fixed frame, base, illuminating source, black and white double faced adhesive tape and the light guide plate assembly as described in any one of claim 1-8, described light guide plate assembly is fixed in described fixed frame, and described illuminating source is installed on the second surface position of corresponding described blast plate in described fixed frame; Described fixed frame is fixed on described base, and described black and white double faced adhesive tape is packaged in the periphery of described light guide plate exiting surface.
10. a display, is characterized in that, comprises backlight module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639303.8U CN204882926U (en) | 2015-08-21 | 2015-08-21 | Light guide plate subassembly, backlight unit and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639303.8U CN204882926U (en) | 2015-08-21 | 2015-08-21 | Light guide plate subassembly, backlight unit and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882926U true CN204882926U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520639303.8U Expired - Fee Related CN204882926U (en) | 2015-08-21 | 2015-08-21 | Light guide plate subassembly, backlight unit and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882926U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307903A (en) * | 2017-07-28 | 2019-02-05 | 江苏集萃智能液晶科技有限公司 | A kind of backlight of outgoing polarization light and preparation method thereof and liquid crystal display device |
| CN110133793A (en) * | 2019-05-30 | 2019-08-16 | 深圳创维－Rgb电子有限公司 | A kind of light guiding film and display device |
| CN110308511A (en) * | 2019-06-29 | 2019-10-08 | 深圳创维－Rgb电子有限公司 | A kind of light guide structure, side entrance back module and display equipment |
-
2015
- 2015-08-21 CN CN201520639303.8U patent/CN204882926U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307903A (en) * | 2017-07-28 | 2019-02-05 | 江苏集萃智能液晶科技有限公司 | A kind of backlight of outgoing polarization light and preparation method thereof and liquid crystal display device |
| CN109307903B (en) * | 2017-07-28 | 2020-05-12 | 江苏集萃智能液晶科技有限公司 | Backlight source for emitting polarized light, preparation method thereof and liquid crystal display device |
| CN110133793A (en) * | 2019-05-30 | 2019-08-16 | 深圳创维－Rgb电子有限公司 | A kind of light guiding film and display device |
| CN110133793B (en) * | 2019-05-30 | 2021-06-01 | 深圳创维－Rgb电子有限公司 | Light guide film and display device |
| CN110308511A (en) * | 2019-06-29 | 2019-10-08 | 深圳创维－Rgb电子有限公司 | A kind of light guide structure, side entrance back module and display equipment |
| CN110308511B (en) * | 2019-06-29 | 2021-09-28 | 深圳创维－Rgb电子有限公司 | Light guide structure, side-in backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20170821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |