CN104422985A - Light guide plate and light source device - Google Patents
Light guide plate and light source device Download PDFInfo
- Publication number
- CN104422985A CN104422985A CN201310409959.6A CN201310409959A CN104422985A CN 104422985 A CN104422985 A CN 104422985A CN 201310409959 A CN201310409959 A CN 201310409959A CN 104422985 A CN104422985 A CN 104422985A
- Authority
- CN
- China
- Prior art keywords
- light
- micro
- guide plate
- light guide
- elements
- 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
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
Abstract
The invention provides a light guide plate and a light source device. The light guide plate comprises a light guide plate body and a plurality of micro light guide units; the plurality of micro light guide units are arranged on the light guide plate body, wherein each micro light guide unit comprises a central structure and a plurality of peripheral structures, and the peripheral structures surround the central structure. The light guide plate provided by the invention has both focusing and diffusing functions, light can be uniformly emitted from the light guide plate, a lower diffusion film on the light guide plate can be omitted, and the light guide plate can be used for solving the problem of local optical brightness.
Description
Technical field
The present invention has about a kind of light guide plate and light supply apparatus, is particularly to a kind of light supply apparatus with light guide plate.
Background technology
Dot shape in known light guide plate, diffusion sheet or prismatic lens, has circle, spherical, V-arrangement, semicircle, pyramid and prismatic etc.Known site is mainly formed at surface or the inside of the leaded light components such as light guide plate, diffusion sheet or prismatic lens, has and gathers or the effect of diffusing light.
Therefore, need to provide a kind of light guide plate and light supply apparatus to solve the problem of known technology.
Summary of the invention
A kind of light guide plate that namely the present invention provides in order to the problem for solving known technology, this light guide plate comprises a light conducting plate body and multiple micro-light element; The plurality of micro-light element is located at this light conducting plate body, and wherein, each micro-light element comprises a division center and multiple peripheral structure, and these peripheral structures are around this division center.
A kind of light supply apparatus of the present invention, this light supply apparatus comprises: multiple light source, and the plurality of light source provides a light; And a light guide plate, this light guide plate comprises: a light conducting plate body, and this light conducting plate body comprises an incidence surface and an exiting surface, and this incidence surface is relative with this exiting surface; And multiple micro-light element, the plurality of micro-light element is located at this light conducting plate body, wherein, this light enters this light guide plate from this incidence surface, be subject to the modulation of these micro-light elements, and leave this light guide plate in this exiting surface, wherein, each micro-light element comprises a division center and multiple peripheral structure, and these peripheral structures are around this division center.
The light guide plate of the application embodiment of the present invention, light can be provided the directive property of light by the division center of micro-light element and peripheral structure, take into account the function of optically focused and astigmatism, and light can be made from light guide plate uniform.In one embodiment, the lower diffusion sheet above light guide plate can be saved.The shape of division center and peripheral structure, quantity, curvature, the degree of depth, size all can design on demand, in one embodiment, more can be used for the bright dark problem of optics solving local.
Accompanying drawing explanation
Figure 1A shows the vertical view of the light guide plate of one embodiment of the invention;
Figure 1B shows the side view of the light guide plate of Figure 1A embodiment;
Fig. 2 A and Fig. 2 B shows the thin portion structure of micro-light element of the embodiment of the present invention;
Fig. 3 shows a variation of light guide plate of the present invention, and wherein, micro-light element arranges in non-equidistant mode;
Fig. 4 A shows a variation of light guide plate of the present invention, and wherein, micro-light element arranges in mode in pairs;
Fig. 4 B shows a variation of light guide plate of the present invention, and wherein, micro-light element is with arranged askew;
Fig. 5 A, Fig. 5 B show a variation of light guide plate of the present invention, and wherein, larger-size micro-light element and the less micro-light element of size, arrange in an interleaved manner;
Fig. 6 shows a variation of light guide plate of the present invention, and wherein, larger-size micro-light element and the less micro-light element of size arrange on the same line;
Fig. 7 shows a variation of light guide plate of the present invention, and wherein, two kinds of difform micro-light elements are applied on single light guide plate; And
Fig. 8 shows the light supply apparatus of the embodiment of the present invention.
Primary clustering symbol description:
1 ~ light supply apparatus, 120 ~ micro-light element
The micro-light element of 10 ~ light source 120A ~ the first
The micro-light element of 11 ~ light 120B ~ the second
The micro-light element of 100 ~ light guide plate 120C ~ three
110 ~ light conducting plate body, 121 ~ division center
111 ~ incidence surface, 122 ~ peripheral structure
112 ~ exiting surface
Embodiment
With reference to Figure 1A and Figure 1B, the light guide plate 100 of its display one embodiment of the invention, comprises a light conducting plate body 110 and multiple micro-light element 120.Micro-light element 120 is located at this light conducting plate body 110.This light conducting plate body 110 comprises incidence surface 111 and an exiting surface 112, and this incidence surface 111 is relative with this exiting surface 112, and in this embodiment, these micro-light elements 120 are located at this exiting surface 112.
Among previous embodiment, these micro-light elements 120 are located at this exiting surface 112 in modes such as one-body molded or secondary processing.But above-mentionedly open do not limit the present invention, in a variation, these micro-light elements 120 mode such as one-body molded or secondary processing can be located at this incidence surface 111.Among another variation, these micro-light elements 120 are embedded among this light conducting plate body 110, and between this incidence surface 111 and this exiting surface 112.
Refer again to Figure 1A, Figure 1B, each micro-light element 120 comprises a division center 121 and multiple peripheral structure 122, and these peripheral structures 122 are around this division center 121.These peripheral structures 122 can be connected with this division center 121 or be separated.The curved design of these peripheral structures 122 and this division center 121, size, quantity shape, inclined degree can adjust according to design needs.
With reference to Fig. 2 A, Fig. 2 B, in one embodiment, this division center 121 is bulge-structure, and these peripheral structures 122 are recessed structure.The contour shape of this division center 121 and these peripheral structures 122 can be spherical, cylindrical, pyramid, prismatic or other shapes.
In figure ia, these micro-light element 120 equal and opposite in directions, and arrange in equidistant mode.With reference to Fig. 3, these micro-light elements 120 can also non-equidistant mode arrange.With reference to Fig. 4 A, these micro-light elements 120 can mode in pairs arrange.With reference to Fig. 4 B, these micro-light elements 120 can arranged askew.
With reference to Fig. 5 A, Fig. 5 B, in one embodiment, these micro-light elements 120 can comprise multiple first micro-light element 120A and multiple second micro-light element 120B, the size of these first micro-light element 120A is greater than these second micro-light element 120B, and these first micro-light element 120A and these second micro-light element 120B arrange in an interleaved manner.
With reference to Fig. 6, in another embodiment, these micro-light elements 120 comprise multiple first micro-light element 120A, multiple second micro-light element 120B and multiple 3rd micro-light element 120C, the size of these first micro-light element 120A is greater than these second micro-light element 120B, the size of these second micro-light element 120B is greater than these the 3rd micro-light element 120C, these first micro-light element 120A, second micro-light element 120B and the 3rd micro-light element 120C, in a straight line descending arrangement.
With reference to Fig. 7, in one embodiment, the shape that these micro-light elements 120 can comprise multiple first micro-light element 120A and multiple second micro-light element 120B, these first micro-light element 120A is different from these second micro-light element 120B.In this embodiment, the profile of these first micro-light element 120A is spherical, and the profile of these second micro-light element 120B is pyramid.
With reference to Fig. 8, the light supply apparatus 1 of its display embodiment of the present invention, it comprises multiple light source 10 and aforesaid light guide plate 100.Light source 10 provides a light 11, and this light 11 enters this light guide plate 100 from this incidence surface 111, is subject to the modulation of these micro-light elements 120, and leaves this light guide plate 100 in this exiting surface 112.
The light guide plate of the application embodiment of the present invention, light can be provided the directive property of light by the division center of micro-light element and peripheral structure, take into account the function of optically focused and astigmatism, and light can be made from light guide plate uniform.In one embodiment, the lower diffusion sheet above light guide plate can be saved.The shape of division center and peripheral structure, quantity, curvature, the degree of depth, size all can design on demand, in one embodiment, more can be used for the bright dark problem of optics solving local.
In the above-described embodiments, light supply apparatus is mainly for the light source under directly.But above-mentioned disclosing does not limit the present invention, and light guide plate of the present invention can also be applied among the light supply apparatus of side entering type light source.
Although the present invention with concrete preferred embodiment openly as above; but itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; still can do a little change and retouching, therefore protection scope of the present invention should be as the criterion depending on the scope person of defining of appending claims.
Claims (10)
1. a light guide plate, this light guide plate comprises:
One light conducting plate body; And
Multiple micro-light element, the plurality of micro-light element is located at this light conducting plate body, and wherein, each micro-light element comprises a division center and multiple peripheral structure, and these peripheral structures are around this division center.
2. light guide plate as claimed in claim 1, wherein, this light conducting plate body comprises an incidence surface and an exiting surface, and this incidence surface is relative with this exiting surface, and these micro-light elements are located at this incidence surface.
3. light guide plate as claimed in claim 1, wherein, this light conducting plate body comprises an incidence surface and an exiting surface, and this incidence surface is relative with this exiting surface, and these micro-light elements are located at this exiting surface.
4. light guide plate as claimed in claim 1, wherein, this light conducting plate body comprises an incidence surface and an exiting surface, and this incidence surface is relative with this exiting surface, and these micro-light elements to be embedded among this light conducting plate body and between this incidence surface and this exiting surface.
5. light guide plate as claimed in claim 1, wherein, these peripheral structures are separated with this division center.
6. light guide plate as claimed in claim 1, wherein, this division center is bulge-structure, and these peripheral structures are recessed structure.
7. light guide plate as claimed in claim 6, wherein, the shape of this division center and these peripheral structures is spherical, cylindrical, pyramid or prismatic.
8. light guide plate as claimed in claim 6, wherein, these micro-light elements comprise multiple first micro-light element and multiple second micro-light element, the size of these first micro-light elements is greater than these second micro-light elements, these first micro-light elements and the arrangement interlaced with each other of these second micro-light elements.
9. light guide plate as claimed in claim 8, wherein, these micro-light elements also comprise multiple 3rd micro-light element, and the size of these second micro-light elements is greater than these the 3rd micro-light elements, these first, second and the 3rd micro-light element, in a straight line descending arrangement.
10. a light supply apparatus, this light supply apparatus comprises:
Multiple light source, the plurality of light source provides a light; And
One light guide plate, this light guide plate comprises:
One light conducting plate body, this light conducting plate body comprises an incidence surface and an exiting surface, and this incidence surface is relative with this exiting surface; And
Multiple micro-light element, the plurality of micro-light element is located at this light conducting plate body, wherein, this light enters this light guide plate from this incidence surface, be subject to the modulation of these micro-light elements, and leave this light guide plate in this exiting surface, wherein, each micro-light element comprises a division center and multiple peripheral structure, and these peripheral structures are around this division center.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409959.6A CN104422985A (en) | 2013-09-10 | 2013-09-10 | Light guide plate and light source device |
| TW102134956A TW201510591A (en) | 2013-09-10 | 2013-09-27 | Lighting device and light guide thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409959.6A CN104422985A (en) | 2013-09-10 | 2013-09-10 | Light guide plate and light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104422985A true CN104422985A (en) | 2015-03-18 |
Family
ID=52972524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310409959.6A Pending CN104422985A (en) | 2013-09-10 | 2013-09-10 | Light guide plate and light source device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104422985A (en) |
| TW (1) | TW201510591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032000A (en) * | 2019-03-20 | 2019-07-19 | 青岛海信电器股份有限公司 | A kind of optical element, backlight module and display device |
| WO2020063569A1 (en) * | 2018-09-27 | 2020-04-02 | 欧普照明股份有限公司 | Diffusion plate and lamp having diffusion plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035178Y (en) * | 2007-01-19 | 2008-03-12 | 台湾奈普光电科技股份有限公司 | Improved structure of light conducting plate |
| CN101295034A (en) * | 2007-04-26 | 2008-10-29 | 鸿富锦精密工业（深圳）有限公司 | Back light module and optical plate |
| CN101452086A (en) * | 2007-12-05 | 2009-06-10 | 群康科技(深圳)有限公司 | Prismatic lens, back light module unit and LCD device |
-
2013
- 2013-09-10 CN CN201310409959.6A patent/CN104422985A/en active Pending
- 2013-09-27 TW TW102134956A patent/TW201510591A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035178Y (en) * | 2007-01-19 | 2008-03-12 | 台湾奈普光电科技股份有限公司 | Improved structure of light conducting plate |
| CN101295034A (en) * | 2007-04-26 | 2008-10-29 | 鸿富锦精密工业（深圳）有限公司 | Back light module and optical plate |
| CN101452086A (en) * | 2007-12-05 | 2009-06-10 | 群康科技(深圳)有限公司 | Prismatic lens, back light module unit and LCD device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063569A1 (en) * | 2018-09-27 | 2020-04-02 | 欧普照明股份有限公司 | Diffusion plate and lamp having diffusion plate |
| CN110032000A (en) * | 2019-03-20 | 2019-07-19 | 青岛海信电器股份有限公司 | A kind of optical element, backlight module and display device |
| CN110032000B (en) * | 2019-03-20 | 2022-08-02 | 海信视像科技股份有限公司 | Optical element, backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201510591A (en) | 2015-03-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |
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| WD01 | Invention patent application deemed withdrawn after publication |