CN201302612Y - Multi-layer type light guide plate structure - Google Patents
Multi-layer type light guide plate structure Download PDFInfo
- Publication number
- CN201302612Y CN201302612Y CNU2008201786488U CN200820178648U CN201302612Y CN 201302612 Y CN201302612 Y CN 201302612Y CN U2008201786488 U CNU2008201786488 U CN U2008201786488U CN 200820178648 U CN200820178648 U CN 200820178648U CN 201302612 Y CN201302612 Y CN 201302612Y
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- China
- Prior art keywords
- light
- light guide
- reflection layer
- plate structure
- guide plate
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Abstract
The utility model relates to a multi-layer type light guide structure, which comprises an optical light guide plate, a light reflection layer, a translucent substrate and a plurality of light concentration bodies. The light reflection layer is coated on one surface of the optical light guide plate and is provided with a plurality of optical through holes which are arranged in an array type and used for light to penetrate through; the translucent substrate is adhered to the surface of the light reflection layer; and the light concentration bodies are arranged on the translucent substrate. Because the optical light guide plate is provided with the light reflection layer, the translucent substrate and the light concentration bodies in sequence in an integration way, the utility model can be rapidly assembled in the relevant lighting module and can realize the purpose of leading to the uniformity of the light beams.
Description
Technical field
The utility model relates to a kind of light guide plate, relates in particular to a kind of in order to directing light and integrated light conducting plate structure with multi-layered type of reflection layer, transmitting substrate and condensing body.
Background technology
The flat-panel screens of general non-spontaneous optical activity needs assembling one backlight module as LCD or LCD TV etc., so that the required light source of display frame to be provided.As shown in Figure 1, the backlight module 1 of the conventional art side light type light guide plate 13, the storehouse that mainly are placed in corresponding luminophors 12 in the framework 11 by a framework 11, the luminophor 12, that is loaded into sides in the framework 11 as cold cathode fluorescent lamp etc. be placed in diffusion sheet 14, a storehouse on the light guide plate 13 be placed in light-collecting piece 15 on the diffusion sheet 14, and structures such as reflector plate 16 that are placed in light guide plate 13 belows formed.
After luminophor 12 sends light source, by the help of framework 11, most of light is injected from a side of light guide plate 13, and total reflection is taken place therein with to light guide plate 13 opposite side transmission.At this moment, when light was passed through the light guide structure 131 of light guide plate 13, the light of a part can penetrate from light guide plate 13 end faces.On the other hand, 15 of diffusion sheet 14 and light-collecting pieces can exert an influence to the brightness and the uniformity coefficient of light source, so that light source increases brightness and homogenising more, and utilize 16 of reflector plates can reflect the light that light guide plate 13 bottom surfaces are penetrated, and it is got back in the light guide plate 13, to increase effective usability of light source.Therefore, see through after the optical characteristics with the light of adjusting self-luminous body 12 such as aforesaid light guide plate 13, diffusion sheet 14, can make backlight module 1 become a uniform surface light source.
Yet, above-mentioned light guide plate 13, diffusion sheet 14, light-collecting piece 15 and reflector plate 16 are to be member independently separately, then be stacked over again together, when the operation personnel organize upright backlight module 1, promptly need assemble associated components in regular turn, cause the upright time of waste group and be subject to the factor affecting of artificial assembly failure, and need to buy a large amount of members, easily cause manufacturing, the too high problem of production cost.On the other hand, reflector plate 16 is positioned at light guide plate 13 belows, the light of special angle can be reflected back into reflector plate 16 by light-collecting piece 15, and reflected back light-collecting piece 15 and penetrating again, but because of the light reflected path long, easily making has the problem of optical loss, causes light can't further promote brightness and uniformity coefficient.
The utility model content
The purpose of this utility model is to provide a kind of and reaches quick production, saves assembling and reduce cost and tool makes light can reach the light conducting plate structure of the multi-layered type of homogenising.
For reaching above-mentioned purpose, the utility model provides a kind of light conducting plate structure of multi-layered type, comprising: an optics light guide sheet; One reflection layer, it is coated on the surface of this optics light guide sheet, and this reflection layer is provided with the light through hole that a plurality of one-tenth array types are arranged; One transmitting substrate, it and closes on the surface of this reflection layer; And a plurality of condensing bodies, it is arranged at respectively on this transmitting substrate, and corresponding to the light through hole of this reflection layer.
The benefit that the utlity model has: on the optics light guide sheet, integrate the incorporate design that is provided with reflection layer, transmitting substrate and condensing body in regular turn, but manufacture out this light conducting plate structure fast with robotization, and compared with prior art, the incorporate design of the utility model, can reach the factor of saving built-up time and can reduce artificial assembly failure, and can be assembled in fast in the relevant lighting module, to reduce the purpose of manufacturing, production cost.On the other hand, the purpose that can pass through for light via the light through hole of reflection layer, and then directive transmitting substrate and condensing body, make light source can increase brightness and homogenising, and the light of reflected back can have the purpose that shortens opticpath and further increase effective usability of light source then again via reflection layer reflected back condensing body.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the decomposing schematic representation of the backlight module of existing side light type;
Fig. 2 is a perspective exploded view of the present utility model;
Fig. 3 is a three-dimensional combination synoptic diagram of the present utility model;
Fig. 4 is a cross-sectional schematic of the present utility model;
Synoptic diagram when Fig. 5 is a user mode of the present utility model wherein illustrates the light route signal of passing through.
Wherein, Reference numeral
Prior art
1 backlight module
11 frameworks, 12 luminophors
13 light guide plate, 131 light guide structures
14 diffusion sheets, 15 light-collecting pieces
16 reflector plates
The utility model
20 optics light guide sheet
21 leaded light site district
30 reflection layers
31 smooth through holes
40 transmitting substrates
50 condensing bodies
7 luminophors
The R aperture
L1, L2 light
Embodiment
Please consult Fig. 2 earlier to shown in Figure 4, the utility model proposes a kind of light conducting plate structure of multi-layered type, it includes an optics light guide sheet 20, a reflection layer 30, a transmitting substrate 40 and a plurality of condensing body 50.
Optics light guide sheet 20 is made by the macromolecular material of tool optical property, as polymethylmethacrylate (Polymethyl Methylacrylate; PMMA), the macromolecular material of thermoplastic polyurethane (TPU), polycarbonate (PC), polyethylene terephthalate (PET) or silica gel (Silicone) etc., but not as limit.Wherein, be formed with a plurality of leaded light site districts 21 that arrange and be provided with on the optics light guide sheet 20; In addition, the variation that can be directly proportional with the distance of a side end edge of optics light guide sheet 20 of the site size in leaded light site district 21 and density, that is be bigger and close away from the site size and the density in the leaded light site district 21 of this limit end more.
Transmitting substrate 40 close on the surface of reflection layer 30, and the mode of closing can use the mode of coating to be formed on reflection layer 30 surfaces, also can use other any known way, and transmitting substrate 40 be one one-tenth transparence the layer body.
Condensing body 50 is with being arranged at respectively on the transmitting substrate 40 that array type is arranged, and corresponding to the light through hole 31 of reflection layer 30,50 one-tenth one single shapes of each condensing body, it is not limited profile, as can becoming semicircular body, pointed body etc., and the mode that can impress is arranged on the surface of transmitting substrate 40.
By above-mentioned, please cooperate and consult shown in Figure 5ly, after luminophor 7 was arranged on a side end edge of optics light guide sheet 20, total reflection took place and to its relative opposite side transmission in the light of luminophor 7 in optics light guide sheet 20.At this moment, when light was passed through leaded light site district 21, light can penetrate towards reflection layer 30 directions.Light promptly can be injected in the corresponding light through hole 31, wears then to be incident upon in the transmitting substrate 40 again, and light penetrates to condensing body 50 again afterwards, and by condensing body 50 with most light (as indicating shown in the L1) optically focused and penetrating to condensing body 50 equably.In addition, the light of special angle (as indicating shown in the L2) will be by condensing body 50 reflected backs, then be reflected back into the surface of reflection layer 30 again, so reflection layer 30 can be with the light of reflected back again in the reflected back condensing body 50, to increase effective usability of light source, and further shorten opticpath, to reduce optical loss.Therefore, by aforementioned, can learn that light conducting plate structure of the present utility model can be applicable to backlight module, so that the required light source of display display frame to be provided.On the other hand, the variation that is directly proportional with the distance of luminophor 7 of the site in leaded light site district 21 and density reaches the light of homogenising with light nearby so that directive has become the darker closeer site of light at a distance.
Yet, the utility model does not limit in the backlight module that only is used in display, can be applicable in the lighting as vehicle etc., with the guiding uniform light yet, and the site in the leaded light site district 21 of optics light guide sheet 20 and density can be done further variation, as change into design of homogenization etc. into.
By above-mentioned explanation, the utility model will be integrated the incorporate design that is provided with reflection layer 30, transmitting substrate 40 and condensing body 50 in regular turn on the optics light guide sheet 20, but manufacture out this light conducting plate structure fast with robotization, and compared with prior art, the incorporate design of the utility model, can reach the saving built-up time and also can reduce the factor of artificial assembly failure, and more can be assembled in fast in the relevant lighting module, to reduce the purpose of manufacturing, production cost.On the other hand, light through hole 31 via reflection layer 30 passes through purpose for light, and then directive transmitting substrate 40 and condensing body 50, make light source can increase brightness and homogenising, and the light of reflected back can have the purpose that shortens opticpath and further increase effective usability of light source then again via reflection layer 30 reflected back condensing bodies 50.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (6)
1, a kind of light conducting plate structure of multi-layered type is characterized in that, comprising:
One optics light guide sheet;
One reflection layer, it is coated on the surface of this optics light guide sheet, and this reflection layer is provided with the light through hole that a plurality of one-tenth array types are arranged;
One transmitting substrate, it and closes on the surface of this reflection layer; And
A plurality of condensing bodies, it is arranged at respectively on this transmitting substrate, and corresponding to the light through hole of this reflection layer.
2, the light conducting plate structure of multi-layered type according to claim 1 is characterized in that, this optics light guide sheet is formed with a plurality of leaded lights site district.
3, the light conducting plate structure of multi-layered type according to claim 2 is characterized in that, the variation that is directly proportional with the distance of a side end edge of this optics light guide sheet of the site size in these leaded light site districts and density.
According to the light conducting plate structure of claim 1,2 or 3 described multi-layered types, it is characterized in that 4, this transmitting substrate is the layer body of one one-tenth transparence.
5, the light conducting plate structure of multi-layered type according to claim 4 is characterized in that, on the surface that is formed on this reflection layer of this transmitting substrate with coating.
6, the light conducting plate structure of multi-layered type according to claim 4 is characterized in that, each condensing body becomes one single shape, and on the surface that is arranged on this transmitting substrate with impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201786488U CN201302612Y (en) | 2008-11-04 | 2008-11-04 | Multi-layer type light guide plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201786488U CN201302612Y (en) | 2008-11-04 | 2008-11-04 | Multi-layer type light guide plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302612Y true CN201302612Y (en) | 2009-09-02 |
Family
ID=41086239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201786488U Expired - Fee Related CN201302612Y (en) | 2008-11-04 | 2008-11-04 | Multi-layer type light guide plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302612Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095129A (en) * | 2009-12-11 | 2011-06-15 | 乐金显示有限公司 | Backlight unit and liquid crystal display device having the same |
| WO2014139242A1 (en) * | 2013-03-12 | 2014-09-18 | 京东方科技集团股份有限公司 | Light guide plate, optical film, backlight module, array substrate, and liquid crystal module |
| CN104197263A (en) * | 2014-09-29 | 2014-12-10 | 长城汽车股份有限公司 | Vehicle lamp |
| CN104635293A (en) * | 2013-11-06 | 2015-05-20 | 精工爱普生株式会社 | Light divider and magnetism measurement apparatus |
-
2008
- 2008-11-04 CN CNU2008201786488U patent/CN201302612Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095129A (en) * | 2009-12-11 | 2011-06-15 | 乐金显示有限公司 | Backlight unit and liquid crystal display device having the same |
| CN102095129B (en) * | 2009-12-11 | 2014-10-29 | 乐金显示有限公司 | Backlight unit and liquid crystal display device having the same |
| WO2014139242A1 (en) * | 2013-03-12 | 2014-09-18 | 京东方科技集团股份有限公司 | Light guide plate, optical film, backlight module, array substrate, and liquid crystal module |
| CN104635293A (en) * | 2013-11-06 | 2015-05-20 | 精工爱普生株式会社 | Light divider and magnetism measurement apparatus |
| CN104197263A (en) * | 2014-09-29 | 2014-12-10 | 长城汽车股份有限公司 | Vehicle lamp |
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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: 20090902 Termination date: 20161104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |