CN110161618A - With the light guide plate of optical microstructures on a kind of incidence surface - Google Patents
With the light guide plate of optical microstructures on a kind of incidence surface Download PDFInfo
- Publication number
- CN110161618A CN110161618A CN201910466593.3A CN201910466593A CN110161618A CN 110161618 A CN110161618 A CN 110161618A CN 201910466593 A CN201910466593 A CN 201910466593A CN 110161618 A CN110161618 A CN 110161618A
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- CN
- China
- Prior art keywords
- guide plate
- light guide
- optical microstructures
- incidence surface
- light
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- 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.)
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention provides the light guide plate on a kind of incidence surface with optical microstructures, it is characterized by: the light guide plate incidence surface is equipped with optical microstructures, the cross section of the optical microstructures is the V-arrangement of one or more than one protrusion, trapezoidal or arc, the light guide plate incidence surface intersects with the light guide plate lozenges, the optical microstructures are orthogonal with the light guide plate light-emitting surface, the optical microstructures are parallel with the edge surface one and edge surface two, incident light is entered in light guide plate sphenoid by the incidence surface optical microstructures scattering in light conducting plate body in the present invention, more light are had on the surface thereof to concentrate at light guide plate incidence surface, to reach the various optical problems such as firefly phenomenon improved near incident side, bright phaeodium phenomenon, the color difference phenomenon of whole high request, light continue with reflect with reflection mode forwards into Enter in light conducting plate body, so that light conducting plate body integrally generates illumination effect.
Description
Technical field
The present invention relates to the light guide plates on a kind of light guide plate more particularly to a kind of incidence surface with optical microstructures.
Background technique
Various optical problems near light guide plate incident side such as firefly phenomenon, bright phaeodium phenomenon, whole high request
Color difference phenomenon unanimously annoyings the stability and yield of light guide plate product quality；
There are many factor for influencing the quality of the illumination effect of light conducting plate body entirety, lamp source one matched with the light guide plate
Aspect provides light source to light guide plate, and firefly phenomenon, bright phaeodium phenomenon, direct shadow on the other hand can be also brought directly to light guide plate
Ring the quality of the illumination effect of light conducting plate body entirety.
Summary of the invention
Based on the deficiencies of the prior art, it is an object of the present invention to have optical microstructures on a kind of incidence surface
Light guide plate, since the light guide plate incidence surface intersects with the light guide plate lozenges, the optical microstructures and the leaded light
Plate light-emitting surface is orthogonal, and the optical microstructures are parallel with the edge surface one and edge surface two, and incident light passes through light conducting plate body
On incidence surface optical microstructures scatter in light guide plate sphenoid, have more light on the surface thereof and concentrate on light guide plate
At smooth surface, wanted to reach various optical problems such as firefly phenomenon, bright phaeodium phenomenon, the whole height improved near incident side
The color difference phenomenon asked, light continuation is entered in light conducting plate body with reflecting with reflection mode forwards, so that light guide plate sheet
Body integrally generates illumination effect.
To achieve the goals above, special the present invention provides the light guide plate on a kind of incidence surface with optical microstructures
Sign is: by light conducting plate body, light guide plate incidence surface, light guide plate light-emitting surface, light guide plate reflective surface, being located at the light-emitting surface two sides
Edge surface one and edge surface two, the light guide plate breech face and light guide plate lozenges at end, the light guide plate incidence surface are equipped with optics
Micro-structure, the cross section of the optical microstructures are one or V-arrangement, the trapezoidal or arc of more than one protrusion, the leaded light
Plate incidence surface intersects with the light guide plate lozenges, and the optical microstructures are orthogonal with the light guide plate light-emitting surface, the optics
Micro-structure is parallel with the edge surface one and edge surface two.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The optical microstructures of the light guide plate of micro-structure intersect with the light guide plate lozenges, the optical microstructures and the leaded light
Included angle A between plate lozenges is less than 90.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The optical microstructures are arranged described according to the specific location of lamp source matched with the light guide plate in the light guide plate of micro-structure
Specific location on light guide plate incidence surface, the optical microstructures are located at the corresponding light guide plate incidence surface immediately ahead of lamp source
Corresponding position, the optical microstructures and lamp source correspond.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
All radius R1 of the circular arc in the cross section of the optical microstructures 2.1 of the light guide plate of micro-structure are equal or not phase
Be 50 μm -800 μm Deng, radius R1 range, be connected or be not attached between the adjacent circular arc, the chord length M of the circular arc be equal to or
For person not equal to interval S 1 between the center of two adjacent circular arcs, S1 range is 50 μm -800 μm, and the crosspoints of two adjacent circular arcs is to justifying
The minimum point height of arc is K1, and K1 value range is 10 μm -100 μm.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The width S 2 of the V-arrangement in the cross section of the optical microstructures of the light guide plate of micro-structure is equal or unequal, the V
The maximum width S2 range of shape is 50 μm -800 μm, and the adjacent highest point of the adjacent V-arrangement is connected or is not attached to, the V-arrangement
Depth be K2, K2 value range be 10 μm -100 μm.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The trapezoidal maximum width S3 in the cross section of the optical microstructures of the light guide plate of micro-structure is equal or unequal,
The trapezoidal maximum width S3 width is 50 μm -800 μm, and the adjacent highest point of the adjacent trapezoidal is connected or is not attached to, institute
Stating trapezoidal height is K3, and K3 value range is 10 μm -100 μm.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The radius R1 of the light guide plate of micro-structure is 650 μm, and S1 is 550 μm, and K1 is 85 μm.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The S2 of the light guide plate of micro-structure is 540 μm, and K2 is 75 μm.
As the improvement of the light guide plate on incidence surface of the present invention with optical microstructures, there is optics on incidence surface of the present invention
The S3 of the light guide plate of micro-structure is 630 μm, and K3 is 60 μm.
Compared with prior art, the light guide plate with optical microstructures has below beneficial to effect on incidence surface of the present invention
Fruit: since the light guide plate incidence surface intersects with the light guide plate lozenges, the optical microstructures and the light guide plate go out light
Face is orthogonal, and the optical microstructures are parallel with the edge surface one and edge surface two, and incident light passes through entering in light conducting plate body
Smooth surface optical microstructures scatter in light guide plate sphenoid, have more light on the surface thereof and concentrate on light guide plate incidence surface
Place, so that reaching improves the various optical problems near incident side such as firefly phenomenon, bright phaeodium phenomenon, whole high request
Color difference phenomenon, light continuation is entered in light conducting plate body with reflecting with reflection mode forwards, so that light conducting plate body is whole
Body generates illumination effect.
Detailed description of the invention
Fig. 1 is to have light conducting plate body described in the light guide plate preferred embodiment of optical microstructures on incidence surface of the present invention
Structural schematic diagram.
Fig. 2 is to have light conducting plate body described in the light guide plate preferred embodiment of optical microstructures on incidence surface of the present invention
Bottom view.
Fig. 3 is the partial enlargement in the portion W in the light guide plate preferred embodiment Fig. 2 for have on incidence surface of the present invention optical microstructures
Fig. 1.
Fig. 4 is the partial enlargement in the portion W in the light guide plate preferred embodiment Fig. 2 for have on incidence surface of the present invention optical microstructures
Fig. 2.
Fig. 5 is the partial enlargement in the portion W in the light guide plate preferred embodiment Fig. 2 for have on incidence surface of the present invention optical microstructures
Fig. 3.
Fig. 6 is that light source irradiates the leaded light in the light guide plate preferred embodiment for have on incidence surface of the present invention optical microstructures
The structural schematic diagram of plate ontology.
Fig. 7 is that light source irradiates the leaded light in the light guide plate preferred embodiment for have on incidence surface of the present invention optical microstructures
The partial enlarged view in the portion B in plate ontology.
Specific embodiment
Light guide plate on incidence surface of the present invention with optical microstructures is suitable for making various mobile phones or other equipment
Backlight.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, there are optical microstructures on the present invention is described in detail incidence surface
Light guide plate preferred embodiment and other embodiments.
3, the present invention provides the light guide plate on a kind of incidence surface with optical microstructures, it is characterised in that: by light guide plate sheet
Body 1, light guide plate incidence surface 2, light guide plate light-emitting surface 3, light guide plate reflective surface 4, positioned at the edge surface 1 of the light-emitting surface two side ends
With edge surface 26, light guide plate breech face 7 and light guide plate lozenges 8, the light guide plate incidence surface 2 is equipped with optical microstructures
2.1, the cross section of the optical microstructures 2.1 is one or V-arrangement, the trapezoidal or arc of more than one protrusion, the leaded light
Plate incidence surface 2 intersects with the light guide plate lozenges 8, and the optical microstructures 2.1 are orthogonal with the light guide plate light-emitting surface 3, institute
It is parallel with the edge surface 1 and edge surface 26 to state optical microstructures 2.1.
In the present embodiment, the optical microstructures 2.1 of the light guide plate on incidence surface of the present invention with optical microstructures
Intersect with the light guide plate lozenges 8, the included angle A between the optical microstructures 2.1 and the light guide plate lozenges 8 is less than
90。
In the present embodiment, the light guide plate on incidence surface of the present invention with optical microstructures is according to mating with the light guide plate
The specific location of lamp source 9 specific location of the optical microstructures 2.1 on the light guide plate incidence surface 2 be set, it is described
Optical microstructures 2.1 are located at the corresponding position of the corresponding light guide plate incidence surface 2 in 9 front of lamp source, the optical microstructures
2.1 correspond with lamp source 9.
In the present embodiment, the optical microstructures 2.1 of the light guide plate on incidence surface of the present invention with optical microstructures
Cross section in the circular arc all radius R1 it is equal, radius R1 is 650 μm, is connected between the adjacent circular arc, described
The chord length M of circular arc is equal to interval S 1 between the center of two adjacent circular arcs, and S1 is 550 μm, the crosspoint of two adjacent circular arcs to circular arc
Minimum point height is K1, and K1 is 85 μm.
In other embodiments, the optical microstructures of the light guide plate on incidence surface of the present invention with optical microstructures
The width S 2 of the V-arrangement in 2.1 cross section is equal, and the maximum width S2 of the V-arrangement is 540 μm, the adjacent V-arrangement
Adjacent highest point is connected, and the depth of the V-arrangement is K2, and K2 is 75 μm.
In other embodiments, the optical microstructures of the light guide plate on incidence surface of the present invention with optical microstructures
The trapezoidal maximum width S3 in 2.1 cross section is equal, and the trapezoidal maximum width S3 is 630 μm, described adjacent
Trapezoidal adjacent highest point is connected, and the trapezoidal height is K3, and K3 is 60 μm.
Compared with prior art, the invention has the following advantages: since the light guide plate incidence surface is led with described
The intersection of tabula rasa lozenges, the optical microstructures are orthogonal with the light guide plate light-emitting surface, the optical microstructures and the edge
Face one is parallel with edge surface two, and incident light is scattered by the incidence surface optical microstructures in light conducting plate body into light guide plate sphenoid
It is interior, more light are had on the surface thereof and are concentrated at light guide plate incidence surface, to reach the various light improved near incident side
Knowledge topic such as firefly phenomenon, bright phaeodium phenomenon, the color difference phenomenon of whole high request, light continue to reflect and reflection mode
Enter in light conducting plate body forwards, so that light conducting plate body integrally generates illumination effect.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (9)
1. with the light guide plate of optical microstructures on a kind of incidence surface, it is characterised in that: enter light by light conducting plate body, light guide plate
Face, light guide plate light-emitting surface, light guide plate reflective surface, edge surface one and edge surface two, light guide plate positioned at the light-emitting surface two side ends
Breech face and light guide plate lozenges, the light guide plate incidence surface are equipped with optical microstructures, the cross section of the optical microstructures
For one or more than one protrusion V-arrangement, trapezoidal or arc, the light guide plate incidence surface and the light guide plate lozenges phase
It hands over, the optical microstructures are orthogonal with the light guide plate light-emitting surface, the optical microstructures and the edge surface one and edge surface
Two is parallel.
2. according to claim 1 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: the micro- knot of optics
Structure intersects with the light guide plate lozenges, and the included angle A between the optical microstructures and the light guide plate lozenges is less than 90.
3. according to claim 2 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: led according to described
The specific location of the matched lamp source of tabula rasa is arranged specific location of the optical microstructures on the light guide plate incidence surface, institute
State the corresponding position that optical microstructures are located at the corresponding light guide plate incidence surface immediately ahead of lamp source, the optical microstructures and lamp
Source corresponds.
4. according to claim 3 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: the micro- knot of optics
All radius R1 of the circular arc in the cross section of structure are equal or unequal, and radius R1 range is 50 μm -800 μm, described
It is connected or is not attached between adjacent circular arc, between the chord length M of the circular arc is the same or different than between the center of two adjacent circular arcs
Away from S1, S1 range is 50 μm -800 μm, and the crosspoint of two adjacent circular arcs is K1 to the minimum point height of circular arc, and K1 value range is 10
μm-100μm。
5. according to claim 4 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: the micro- knot of optics
The width S 2 of the V-arrangement in the cross section of structure is equal or unequal, and the maximum width S2 range of the V-arrangement is 50 μm -800
μm, the adjacent highest point of the adjacent V-arrangement is connected or is not attached to, and the depth of the V-arrangement is K2, and K2 value range is 10 μm-
100μm。
6. according to claim 5 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: the micro- knot of optics
The trapezoidal maximum width S3 in the cross section of structure is equal or unequal, and the trapezoidal maximum width S3 width is 50
μm -800 μm, the adjacent highest point of the adjacent trapezoidal is connected or is not attached to, and the trapezoidal height is K3, and K3 value range is
10μm-100μm。
7. according to claim 4 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: radius R1 is 650 μ
M, S1 are 550 μm, and K1 is 85 μm.
8. according to claim 5 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: S2 is 540 μm, K2
It is 75 μm.
9. according to claim 6 with the light guide plate of optical microstructures on incidence surface, it is characterised in that: S3 is 630 μm, K3
It is 60 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466593.3A CN110161618A (en) | 2019-05-30 | 2019-05-30 | With the light guide plate of optical microstructures on a kind of incidence surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466593.3A CN110161618A (en) | 2019-05-30 | 2019-05-30 | With the light guide plate of optical microstructures on a kind of incidence surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110161618A true CN110161618A (en) | 2019-08-23 |
Family
ID=67630416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910466593.3A Pending CN110161618A (en) | 2019-05-30 | 2019-05-30 | With the light guide plate of optical microstructures on a kind of incidence surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN110161618A (en) |
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|---|---|---|---|---|
| JP2006216494A (en) * | 2005-02-07 | 2006-08-17 | Minebea Co Ltd | Surface lighting device |
| US20110292318A1 (en) * | 2010-05-27 | 2011-12-01 | Panasonic Liquid Crystal Display Co., Ltd. | Liquid crystal display device |
| CN102313174A (en) * | 2010-06-30 | 2012-01-11 | 欧姆龙株式会社 | Area light source device |
| CN102728956A (en) * | 2012-06-15 | 2012-10-17 | 张英兵 | Technology for machining surface microstructure of optical mold |
| CN103809235A (en) * | 2012-11-15 | 2014-05-21 | 欧姆龙株式会社 | Light guide plate, area light source device, lcd apparatus and mobile apparatus |
| CN103807664A (en) * | 2012-11-07 | 2014-05-21 | 纬创资通股份有限公司 | Light source module and method for making light source module |
| CN104325633A (en) * | 2013-07-22 | 2015-02-04 | 欧姆龙株式会社 | Light guide plate transfer molding method, light guide plate, and planar light source apparatus |
| CN206002713U (en) * | 2016-07-29 | 2017-03-08 | 京东方科技集团股份有限公司 | Light guide plate, backlight module and display device |
| CN208100436U (en) * | 2018-03-27 | 2018-11-16 | 苏州天禄光科技股份有限公司 | Light guide plate end surface machining apparatus and its cutter |
| CN210123481U (en) * | 2019-05-30 | 2020-03-03 | 开平市盈光机电科技有限公司 | Light guide plate with optical microstructures on light incident surface |
-
2019
- 2019-05-30 CN CN201910466593.3A patent/CN110161618A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006216494A (en) * | 2005-02-07 | 2006-08-17 | Minebea Co Ltd | Surface lighting device |
| US20110292318A1 (en) * | 2010-05-27 | 2011-12-01 | Panasonic Liquid Crystal Display Co., Ltd. | Liquid crystal display device |
| CN102313174A (en) * | 2010-06-30 | 2012-01-11 | 欧姆龙株式会社 | Area light source device |
| CN102728956A (en) * | 2012-06-15 | 2012-10-17 | 张英兵 | Technology for machining surface microstructure of optical mold |
| CN103807664A (en) * | 2012-11-07 | 2014-05-21 | 纬创资通股份有限公司 | Light source module and method for making light source module |
| CN103809235A (en) * | 2012-11-15 | 2014-05-21 | 欧姆龙株式会社 | Light guide plate, area light source device, lcd apparatus and mobile apparatus |
| CN104325633A (en) * | 2013-07-22 | 2015-02-04 | 欧姆龙株式会社 | Light guide plate transfer molding method, light guide plate, and planar light source apparatus |
| CN206002713U (en) * | 2016-07-29 | 2017-03-08 | 京东方科技集团股份有限公司 | Light guide plate, backlight module and display device |
| CN208100436U (en) * | 2018-03-27 | 2018-11-16 | 苏州天禄光科技股份有限公司 | Light guide plate end surface machining apparatus and its cutter |
| CN210123481U (en) * | 2019-05-30 | 2020-03-03 | 开平市盈光机电科技有限公司 | Light guide plate with optical microstructures on light incident surface |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |