CN105759341A - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN105759341A CN105759341A CN201610143919.5A CN201610143919A CN105759341A CN 105759341 A CN105759341 A CN 105759341A CN 201610143919 A CN201610143919 A CN 201610143919A CN 105759341 A CN105759341 A CN 105759341A
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- Prior art keywords
- incidence surface
- main body
- light
- backlight module
- micro
- Prior art date
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- 238000005488 sandblasting Methods 0.000 description 10
- 238000002156 mixing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The embodiment of the invention discloses a backlight module which can effectively prevent the phenomenon that the brightness of a light incident surface is uneven to generate bright spots. The embodiment of the invention provides a light guide plate, which comprises: a main body and a plurality of stripe microstructures; the main body includes: the light incident surface, the light emergent surface and the reflecting surface; the light-emitting surface is opposite to the reflecting surface; the light incident surface is jointed between the light emergent surface and the reflecting surface; a microstructure area is arranged on the light emergent surface; the microstructure area is adjacent to the light incident surface; the plurality of stripe microstructures are arranged in the microstructure area. The plurality of stripe microstructures are arranged in the microstructure area of the light guide plate, and the stripe microstructures can enable reflected light in the invisible area to be distributed unevenly, effectively atomize light leakage of the invisible area, and further greatly improve the phenomenon of uneven brightness of the invisible area.
Description
It is 201310033672.8 that the application is based on application number, and the applying date is on 01 29th, 2013, applies for artificial RADIANT OPTO-ELECTRONICS CORP, is entitled as the divisional application that the invention of a kind of light guide plate and backlight module proposes.
Application claims applicant RADIANT OPTO-ELECTRONICS CORP is in the priority that the application number that on 03 16th, 2012 propose is that " 101109144 ", name are called the Chinese patent application of " light guide plate and backlight module ", and its full content is incorporated among the present invention.
Technical field
The present invention relates to mechanical field, particularly relate to a kind of light guide plate and backlight module.
Background technology
Along with the fast development of the point sources such as Light-Emitting Diode (LED, Light-EmittingDiode), the light source kenel of backlight module is transformed into point source by line source gradually, for instance made into the Light-Emitting Diode of point-like by the CCFL of traditional wire.
For general light guide plate, the light beam that light source sends need to be passed through one section of light mixing distance in light guide plate, could be penetrated by light guide plate uniformly, and light guide plate is light skewness in mixed light region, and mixed light region is generally referred to as non-visible area or dead space.The veil being used for covering non-visible area is more wide, and the scope of non-visible area is more big, in order to reach uniformly to go out the effect of light, reduces light mixing distance, and in design, many meetings design microstructured area in light guide plate.
If veil scope is too short, as easy as rolling off a log in non-visible area generation outward appearance light leakage phenomena, and owing to the directivity of Light-Emitting Diode is high, therefore, the brightness unevenness situation of the non-visible area light leak of backlight module is quite serious.So, user eyes see that the apparent brightness uniformity of backlight module incidence surface is poor, often have bright spot to produce.
Summary of the invention
Embodiments provide a kind of light guide plate and backlight module, it is possible to effectively prevent incidence surface brightness irregularities from producing bright spot phenomenon.
The light guide plate that the embodiment of the present invention provides specifically includes:
Main body and some striped micro structures；
Main body includes:
Incidence surface, exiting surface and reflecting surface；
Exiting surface is relative with reflecting surface；
Incidence surface is bonded between exiting surface and reflecting surface；
Exiting surface is provided with microstructured area；
Microstructured area is adjacent with incidence surface；
Some striped micro structures are located in microstructured area.
Optionally,
Some striped micro structures include:
Some V-type grooving structures and/or some R type grooving structures；
The central angle of some R type grooving structures ranges for 60 ° to 120 °；
The central angle of some V-type grooving structures ranges for 60 ° to 120 °.
Optionally,
Some striped micro structures are parallel with the normal direction of incidence surface；
Some striped micro structure equidistant arrangement.
Optionally,
Within some striated structures scope on exiting surface extends 20mm from incidence surface end along normal direction.
Optionally,
Light guide plate also includes:
Some point-like micro structures；
Some point-like micro structures are arranged in microstructured area.
Optionally,
Some point-like micro structures include:
Sandblasting point-like micro structure or radium-shine point-like micro structure.
Optionally,
Main body is uniform thickness sheet；
Or,
Main body includes:
Convergent portion and flat part；
Some striped micro structures and/or some point-like micro structures are arranged on convergent portion and/or described flat part.
The embodiment of the present invention additionally provides a kind of light guide plate, specifically includes:
Main body and some point-like micro structures；
Main body includes:
Incidence surface, exiting surface and reflecting surface；
Exiting surface is relative with reflecting surface；
Incidence surface is bonded between exiting surface and reflecting surface；
Exiting surface is provided with microstructured area；
Microstructured area is adjacent with incidence surface；
Some dots structure is located in microstructured area.
Optionally,
Some point-like micro structures include:
Sandblasting point-like micro structure or radium-shine point-like micro structure.
The embodiment of the present invention additionally provides a kind of backlight module, specifically includes:
Light guide plate, veil and some light sources；
Veil is used for producing non-visible area；
Light guide plate includes:
Main body and some striped micro structures；
Or,
Main body and some point-like micro structures；
Or,
Main body, some striped micro structures and some point-like micro structures；
Main body includes:
Incidence surface, exiting surface and reflecting surface；
Exiting surface is relative with reflecting surface；
Incidence surface is bonded between exiting surface and described reflecting surface；
Exiting surface is provided with microstructured area；
Microstructured area is adjacent with incidence surface；
Some striped micro structures and/or point-like micro structure are located in microstructured area；
Some striped micro structures are parallel with the normal direction of incidence surface.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
If existing backlight module veil scope is too short, as easy as rolling off a log in non-visible area generation outward appearance light leakage phenomena, and owing to the directivity of Light-Emitting Diode is high, therefore, the brightness unevenness situation of the non-visible area light leak of backlight module is quite serious.So, user eyes see that the apparent brightness uniformity of backlight module incidence surface is poor, often have bright spot to produce, and bright spot Producing reason is the incidence surface of existing light guide plate is smooth, is locally totally reflected, and produce bright spot phenomenon；The present invention arranges some striped micro structures in the microstructured area of light guide plate, and these striped micro structures can make non-visible area internal reflection light uneven distribution, is effectively atomized the light leak of non-visible area, and then can greatly improve the phenomenon of non-visible area brightness unevenness.
Accompanying drawing explanation
The first embodiment structural representation that Fig. 1 provides for embodiment of the present invention light guide plate；
The second example structure schematic diagram that Fig. 2 provides for embodiment of the present invention light guide plate；
The first embodiment structural representation that Fig. 3 provides for embodiment of the present invention backlight module；
The 3rd example structure schematic diagram that Fig. 4 provides for embodiment of the present invention light guide plate；
The 4th example structure schematic diagram that Fig. 5 provides for embodiment of the present invention light guide plate；
The second example structure schematic diagram that Fig. 6 provides for embodiment of the present invention backlight module；
The 3rd example structure schematic diagram that Fig. 7 provides for embodiment of the present invention backlight module.
Detailed description of the invention
Embodiments provide a kind of light guide plate and backlight module, it is possible to effectively prevent incidence surface brightness irregularities from producing bright spot phenomenon.
Referring to Fig. 1, one embodiment of light guide plate that the embodiment of the present invention provides specifically includes:
Main body 1 and some striped micro structures 2；
Main body 1 includes:
Incidence surface 3, exiting surface 4 and reflecting surface 5；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some striped micro structures 2 are located in microstructured area 6.
In the present embodiment, light injects this light guide plate from incidence surface 3, is reflected face 5 and reflexes to exiting surface 4, penetrates from exiting surface 4.
It should be noted that this microstructured area 6 reaches uniformly to go out light purpose for reducing light mixing distance, the length of this microstructured area 6 can more than 0 and less than 20mm.
In the present embodiment, arranging some striped micro structures 2 in the microstructured area 6 of light guide plate, this striped micro structure 2 can make non-visible area internal reflection light uneven distribution, is effectively atomized the light leak of non-visible area, and then can greatly improve the phenomenon of non-visible area brightness unevenness.
It is described above an embodiment of the light guide plate that the embodiment of the present invention provides, below the second embodiment of the light guide plate that the embodiment of the present invention provides is described.
Second embodiment of the light guide plate referring to Fig. 2, embodiment of the present invention offer includes:
Convergent portion 11, flat part 12, incidence surface 3, exiting surface 4 and reflecting surface 5；
The some striped micro structures 22 being distributed in the some striped micro structures 21 in convergent portion 11, being distributed on flat part 11；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some striped micro structures (21,22) are located in microstructured area 6；
Some striped micro structures (21,22) are parallel with the normal direction of incidence surface 3；
Some striped micro structures (21,22) include R type grooving structure or V-type grooving structure；
The central angle of R type grooving structure ranges for 60 ° to 120 °；
The central angle of V-type grooving structure ranges for 60 ° to 120 °；
Within the some striated structures (21,22) scope on exiting surface 4 extends 20mm from incidence surface 3 end along normal direction.
Referring to Fig. 4, the second embodiment of the light guide plate that the embodiment of the present invention provides farther includes:
Some point-like micro structures 10；
Some point-like micro structures 10 are located in microstructured area 6；
Some point-like micro structures 10 include: sandblasting point-like micro structure or radium-shine point-like micro structure.
In the present embodiment, striped micro structure 21 can be located in convergent portion 11, and striped micro structure 22 can be located on flat part 12, it is also possible to only retain striped micro structure 21 or striped micro structure 22 one of them, be not especially limited at this.
Reaching uniformly to go out light purpose it should be noted that microstructured area 6 is used for reducing light mixing distance, the length of this microstructured area 6 can more than 0 and less than 20mm.
It should be noted that the central angle of R type grooving structure ranges for 60 ° to 120 °, the central angle of V-type grooving structure ranges for 60 ° to 120 °, and wherein central angle optimized angle is 100 °.
It should be noted that and can arrange micro structure on reflecting surface 5, this micro structure can be V-type grooving structure or R type grooving structure, or cone structure or taper groove, is not especially limited at this.
It should be noted that can also arrange some point-like micro structures 10 in the microstructured area 6 of light guide plate, some point-like micro structures 10 can include sandblasting point-like micro structure or radium-shine point-like micro structure.It will be appreciated by those skilled in the art that, some striped micro structures (21 can be separately provided in microstructured area 6,22), some point-like micro structures 10 can also be separately provided, some striped micro structures (21,22) and some point-like micro structures 10 can also be set in microstructured area 6 simultaneously.
In the present embodiment, some striped micro structures (21 are set in the microstructured area 6 of light guide plate, 22) and/or some point-like micro structures 10, some striped micro structures (21,22) and/or some point-like micro structures 10 can make non-visible area internal reflection light uneven distribution, effectively it is atomized the light leak of non-visible area, and then the phenomenon of non-visible area brightness unevenness can be greatly improved.
It is described above the second embodiment of the light guide plate that the embodiment of the present invention provides, the second embodiment of the light guide plate that the embodiment of the present invention provides is described.
Referring to Fig. 4, the 3rd embodiment of the light guide plate that the embodiment of the present invention provides specifically includes:
Main body 1 and some point-like micro structures 10；
Main body 1 includes:
Incidence surface 3, exiting surface 4 and reflecting surface 5；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some point-like micro structures 10 are located in microstructured area 6；
Some point-like micro structures 10 include: sandblasting point-like micro structure or radium-shine point-like micro structure.
In the present embodiment, light injects this light guide plate from incidence surface 3, is reflected face 5 and reflexes to exiting surface 4, penetrates from exiting surface 4.
Reaching uniformly to go out light purpose it should be noted that microstructured area 6 is used for reducing light mixing distance, the length of this microstructured area 6 can more than 0 and less than 20mm.
It should be noted that some point-like micro structures 10 can include sandblasting point-like micro structure or radium-shine point-like micro structure, and be not limited to above two structure.
In the present embodiment, arranging some point-like micro structures 10 in the microstructured area 6 of light guide plate, some point-like micro structures 10 can make non-visible area internal reflection light uneven distribution, is effectively atomized the light leak of non-visible area, and then can greatly improve the phenomenon of non-visible area brightness unevenness.
It is described above the 3rd embodiment of the light guide plate that the embodiment of the present invention provides, the 4th embodiment of the light guide plate that the embodiment of the present invention provides is described.
Referring to Fig. 5, the 4th embodiment of the light guide plate that the embodiment of the present invention provides specifically includes:
Main body convergent portion 11, body panels portion 12, incidence surface 3, exiting surface 4 and reflecting surface 5；
It is distributed in the some striped micro structures 10 in the flat portion of main body 11；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some point-like micro structures 10 can include sandblasting point-like micro structure or radium-shine point-like micro structure.
In the present embodiment, some point-like micro structures 10 can be located in convergent portion 11, it is also possible to is located on flat part 12, is not especially limited at this.
Reaching uniformly to go out light purpose it should be noted that microstructured area 6 is used for reducing light mixing distance, the length of this microstructured area 6 can more than 0 and less than 20mm.
It should be noted that some point-like micro structures 10 can include sandblasting point-like micro structure or radium-shine point-like micro structure, and be not limited to above two structure.
It should be noted that and can arrange micro structure on reflecting surface 5, this micro structure can be V-type grooving structure or R type grooving structure, or cone structure or taper groove, is not especially limited at this.
In the present embodiment, arranging some point-like micro structures 10 in the microstructured area 6 of light guide plate, some point-like micro structures 10 can make non-visible area internal reflection light uneven distribution, is effectively atomized the light leak of non-visible area, and then can greatly improve the phenomenon of non-visible area brightness unevenness.
The light guide plate the embodiment above embodiment of the present invention provided is described, and the backlight module below embodiment of the present invention provided is described.
Referring to Fig. 1, Fig. 2, Fig. 3, the backlight module first embodiment that the embodiment of the present invention provides includes:
Light guide plate 8, veil 7 and some light sources 9；
Veil 7 is used for producing non-visible area；
Light guide plate 8 includes:
Main body 1, some striped micro structures 2；
Main body 1 includes:
Incidence surface 3, exiting surface 4 and reflecting surface 5；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some striped micro structures 2 are located in microstructured area 6；
Some striped micro structures 2 are parallel with the normal direction of incidence surface 3.
Light guide plate 8 farther includes:
Main body 1, incidence surface 3, exiting surface 4, reflecting surface 5；
Main body includes: convergent portion 11, flat part 12,
The some striped micro structures 22 being distributed in the some striped micro structures 21 in convergent portion 11, being distributed on flat part 12；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some striped micro structures (21,22) are located in microstructured area 6；
Some striped micro structures (21,22) are parallel with the normal direction of incidence surface 3；
Some striped micro structures (21,22) include R type grooving structure or V-type grooving structure；
The central angle of R type grooving structure ranges for 60 ° to 120 °；
The central angle of V-type grooving structure ranges for 60 ° to 120 °；
Within the some striated structures (21,22) scope on exiting surface 4 extends 20mm from incidence surface 3 end along normal direction.
In the present embodiment, striped micro structure 21 can be located in convergent portion 11, and striped micro structure 22 can be located on flat part 12, it is also possible to only retain striped micro structure 21 or striped micro structure 22 one of them, be not especially limited at this.
It should be noted that the central angle of R type grooving structure ranges for 60 ° to 120 °, the central angle of V-type grooving structure ranges for 60 ° to 120 °, and wherein central angle optimized angle is 100 °.
It should be noted that and can arrange micro structure on reflecting surface 5, this micro structure can be V-type grooving structure or R type grooving structure, or cone structure or taper groove, is not especially limited at this.
In the present embodiment, the incidence surface 3 that some light sources 9 are arranged on light guide plate 7 is other, and is adjacent to incidence surface 3.
Some light sources 9 can be some point sources based on Light-Emitting Diode.Owing to the directivity going out light of the point sources such as Light-Emitting Diode is high, and it is narrower to go out optical range, and emergent light arranges striped micro structure 2 in the microstructured area 6 of exiting surface 4, it is possible to break up the light penetrated in the microstructured area 6 of the exiting surface 4 of autonomous agent 1.Thus, the light leak homogenization of the incidence surface 3 of light guide plate 7 can be made, the brightness making backlight module further is more uniform.
Above the first embodiment of a kind of backlight module that the embodiment of the present invention provides is described, below the second embodiment of a kind of backlight module that the embodiment of the present invention provides is described.
Refer to Fig. 6 and the present invention execute the second embodiment of a kind of backlight module that example provides and specifically includes:
Light guide plate 8, veil 7 and some light sources 9；
Veil 7 is used for producing non-visible area；
Light guide plate 8 includes:
Main body 1 and some point-like micro structures 10；
Or,
Main body 1 and some striped micro structure (not shown)；
Or,
Main body 1, some striped micro structure (not shown) and some point-like micro structures 10；
Main body 1 includes:
Incidence surface 3, exiting surface 4 and reflecting surface 5；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some point-like micro structures 10 and/or striped micro structure are located in microstructured area 6；
Described veil 7 covers exiting surface 4 described in the part of described some light sources 9, described incidence surface 3 and contiguous described incidence surface 3；
Described microstructured area 6 has between a side profile and the opposite side profile of described veil 7 that a region is in contiguous described incidence surface 3；
Described region, from a side profile of contiguous described incidence surface 3 to the distance of the opposite side profile of described veil 7, is less than described main body 1 and extends to the described main body 1 distance in contrast to the another side of described incidence surface 3 along incidence surface normal direction from the described incidence surface 3 of described main body 1；
Being positioned at some micro structures 10 described in the part among described region to be covered by described veil 7, it is not shielded for being positioned at some micro structures 10 described in the another part beyond described region；
The described reflecting surface 5 being positioned at below described region is not covered by described veil 7；
Described microstructured area 6, at the bearing of trend being perpendicular to incidence surface normal, extends to the another side of described main body 1 from the wherein one side of described main body 1；
Described some micro structures 10 in microstructured area 6 described in the what of position are striped micro structure or point-like micro structure or striped micro structure and point-like micro structure；
When described some micro structures are striped micro structures, within the scope on described exiting surface 4 extends 20mm from incidence surface end along incidence surface normal direction.
Referring to Fig. 7, light guide plate 8 farther includes:
Main body 1, incidence surface 3, exiting surface 4, reflecting surface 5；
Main body includes: convergent portion 11, flat part 12；
It is distributed in the some point-like micro structures 10 on flat part 12；
Exiting surface 4 is relative with reflecting surface 5；
Incidence surface 3 is bonded between exiting surface 4 and reflecting surface 5；
Exiting surface 4 is provided with microstructured area 6；
Microstructured area 6 is adjacent with incidence surface 3；
Some point-like micro structures 10 can include sandblasting point-like micro structure or radium-shine point-like micro structure, and is not limited to above two structure.
In the present embodiment, striped micro structure 21 can be located in convergent portion 11, and some point-like micro structures 10 can be located on flat part 12, it is also possible to only retain striped micro structure 21 or striped micro structure 22 one of them, be not especially limited at this.
It should be noted that some point-like micro structures 10 can include sandblasting point-like micro structure or radium-shine point-like micro structure, and be not limited to above two structure.
It should be noted that and can arrange micro structure on reflecting surface 5, this micro structure can be V-type grooving structure, R type grooving structure, cone structure or taper groove, is not especially limited at this.
In the present embodiment, the incidence surface 3 that some light sources 9 are arranged on light guide plate 7 is other, and is adjacent to incidence surface 3；Some light sources 9 can be some point sources based on Light-Emitting Diode.Owing to the directivity going out light of the point sources such as Light-Emitting Diode is high, and it is narrower to go out optical range, and emergent light arranges some point-like micro structures 10 in the microstructured area 6 of exiting surface 4, it is possible to break up the light penetrated in the microstructured area 6 of the exiting surface 4 of autonomous agent 1.Thus, the light leak homogenization of the incidence surface 3 of light guide plate 7 can be made, the brightness making backlight module further is more uniform.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a backlight module, it is characterised in that including:
Light guide plate, veil and some light sources；
Described light guide plate includes main body and some micro structures；
Described main body includes:
Incidence surface, exiting surface and reflecting surface；
Described exiting surface is relative with described reflecting surface；
Described incidence surface is bonded between described exiting surface and described reflecting surface；
Described exiting surface is provided with microstructured area；
Described some micro structures are located in described microstructured area；
Described veil covers exiting surface described in the part of described some light sources, described incidence surface and contiguous described incidence surface.
2. backlight module according to claim 1, it is characterised in that
Described main body is uniform thickness sheet.
3. backlight module according to claim 1, it is characterised in that
Described main body includes:
Convergent portion and flat part.
4. backlight module according to claim 3, it is characterised in that
Described some micro structures are arranged on described convergent portion and/or described flat part.
5. backlight module according to claim 1, it is characterised in that
Described microstructured area is being perpendicular to the bearing of trend of incidence surface normal, extends to the another side of described main body from the wherein one side of described main body.
6. light guide plate according to claim 1, it is characterised in that
Described some micro structures are striped micro structures, within the scope on described exiting surface extends 20mm from incidence surface end along incidence surface normal direction.
7. backlight module according to claim 1, it is characterised in that
Described veil is used for producing non-visible area.
8. backlight module according to claim 1, it is characterised in that described some micro structures are striped micro structure or point-like micro structure or striped micro structure and point-like micro structure.
9. backlight module according to any one of claim 1 to 8, it is characterised in that
Described microstructured area has between a side profile and the opposite side profile of described veil that a region is in contiguous described incidence surface；
Being positioned at some micro structures described in the part among described region to be covered by described veil, it is not shielded for being positioned at some micro structures described in the another part beyond described region；
The described reflecting surface being positioned at below described region is not covered by described veil.
10. backlight module according to claim 9, it is characterised in that
Described region, from a side profile of contiguous described incidence surface to the distance of the opposite side profile of described veil, is less than described main body and extends to the described main body distance in contrast to the another side of described incidence surface along incidence surface normal direction from the described incidence surface of described main body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101109144 | 2012-03-16 | ||
| TW101109144A TWI457622B (en) | 2012-03-16 | 2012-03-16 | Light guide plate and backlight module |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100336728A Division CN103308972A (en) | 2012-03-16 | 2013-01-29 | Light guide plate and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105759341A true CN105759341A (en) | 2016-07-13 |
Family
ID=49134391
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610143919.5A Pending CN105759341A (en) | 2012-03-16 | 2013-01-29 | Backlight module |
| CN2013100336728A Pending CN103308972A (en) | 2012-03-16 | 2013-01-29 | Light guide plate and backlight module |
Family Applications After (1)
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| CN2013100336728A Pending CN103308972A (en) | 2012-03-16 | 2013-01-29 | Light guide plate and backlight module |
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| CN (2) | CN105759341A (en) |
| TW (1) | TWI457622B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388556A (en) * | 2014-08-20 | 2016-03-09 | 瑞仪光电股份有限公司 | Light guide plate and light source module |
| US9442240B2 (en) * | 2012-03-16 | 2016-09-13 | Radiant Opto-Electronics Corporation | Light guide plate and light source module |
| TWI481915B (en) | 2013-08-20 | 2015-04-21 | Radiant Opto Electronics Corp | Light guide plate with multidirectional structures |
| CN104049296A (en) * | 2014-05-27 | 2014-09-17 | 瑞仪光电股份有限公司 | Light guide plate and light source module |
| CN106772756B (en) * | 2015-11-20 | 2020-04-03 | 瑞仪光电(苏州)有限公司 | Light guide plate, backlight module and display device |
| CN108139045B (en) | 2016-09-29 | 2020-10-20 | 瑞仪光电(苏州)有限公司 | Light guide plate, backlight module and display device |
| CN108169867A (en) * | 2017-12-27 | 2018-06-15 | 宿州市朗欣实业有限公司 | A kind of mobile phone light guide panel of direction-adjustable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849481A (en) * | 2003-09-09 | 2006-10-18 | 三菱丽阳株式会社 | Surface light source device and light guide using it and production method therefor |
| CN201269932Y (en) * | 2008-09-08 | 2009-07-08 | 台湾奈普光电科技股份有限公司 | Light conducting plate |
| CN101630037A (en) * | 2008-07-18 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and light guide plate thereof |
| CN101755167A (en) * | 2007-06-12 | 2010-06-23 | 欧姆龙株式会社 | Surface light source apparatus |
| CN102047030A (en) * | 2008-07-10 | 2011-05-04 | 欧姆龙株式会社 | Surface light source device and liquid crystal display device |
| CN102128388A (en) * | 2010-01-12 | 2011-07-20 | 欧姆龙株式会社 | Area light source device and liquid crystal display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437290C (en) * | 2003-10-18 | 2008-11-26 | 鸿富锦精密工业（深圳）有限公司 | Back light module |
| JP2006171253A (en) * | 2004-12-15 | 2006-06-29 | Kuroda Techno Co Ltd | Light guide plate of backlight assembly |
| KR101604243B1 (en) * | 2007-12-31 | 2016-03-18 | 삼성디스플레이 주식회사 | Light guide plate, backlight unit and liquid crystal display having the same |
| US20100014027A1 (en) * | 2008-07-16 | 2010-01-21 | Jabil Circuit, Inc. | Led backlight having edge illuminator for flat panel lcd displays |
| TWM358987U (en) * | 2008-12-08 | 2009-06-11 | Arima Photovoltaic & Amp Optical Corp | Light guide panel with pattern switching apparatus |
| TWM409450U (en) * | 2011-01-27 | 2011-08-11 | Top Victory Invest Ltd | Light guide plate with inner laser engraving |
-
2012
- 2012-03-16 TW TW101109144A patent/TWI457622B/en active
-
2013
- 2013-01-29 CN CN201610143919.5A patent/CN105759341A/en active Pending
- 2013-01-29 CN CN2013100336728A patent/CN103308972A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849481A (en) * | 2003-09-09 | 2006-10-18 | 三菱丽阳株式会社 | Surface light source device and light guide using it and production method therefor |
| CN101755167A (en) * | 2007-06-12 | 2010-06-23 | 欧姆龙株式会社 | Surface light source apparatus |
| CN102047030A (en) * | 2008-07-10 | 2011-05-04 | 欧姆龙株式会社 | Surface light source device and liquid crystal display device |
| CN101630037A (en) * | 2008-07-18 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and light guide plate thereof |
| CN201269932Y (en) * | 2008-09-08 | 2009-07-08 | 台湾奈普光电科技股份有限公司 | Light conducting plate |
| CN102128388A (en) * | 2010-01-12 | 2011-07-20 | 欧姆龙株式会社 | Area light source device and liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201339666A (en) | 2013-10-01 |
| TWI457622B (en) | 2014-10-21 |
| CN103308972A (en) | 2013-09-18 |
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Application publication date: 20160713 |