CN110146951A - A kind of reflective surface has the light guide plate of optical microstructures - Google Patents
A kind of reflective surface has the light guide plate of optical microstructures Download PDFInfo
- Publication number
- CN110146951A CN110146951A CN201910466591.4A CN201910466591A CN110146951A CN 110146951 A CN110146951 A CN 110146951A CN 201910466591 A CN201910466591 A CN 201910466591A CN 110146951 A CN110146951 A CN 110146951A
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- CN
- China
- Prior art keywords
- light guide
- guide plate
- optical microstructures
- reflective surface
- light
- 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.)
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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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of light guide plate of the reflective surface with optical microstructures, including light conducting plate body, light guide plate incidence surface, light guide plate light-emitting surface, light guide plate reflective surface, positioned at the edge surface one and edge surface two of the light-emitting surface two side ends, light guide plate breech face and light guide plate lozenges, the edge of the light guide plate reflective surface is equipped with the not raised chain-wales that width is N, the light guide plate reflective surface is equipped with optical microstructures, the optical microstructures are the protrusion of strip, the chain-wales are parallel with the optical microstructures, there is reflective surface of the present invention the light guide plate of optical microstructures to overcome the problem bad to light source diffusion and light guide effect, light guide effect is good, since reflective surface has optical microstructures, keep the light transmitted more uniform, it is sufficiently guide-lighting because that can be carried out to light source, it is energy saving, entire light guide plate is set preferably to shine.
Description
Technical field
The present invention relates to the light guide plates that a kind of light guide plate more particularly to a kind of reflective surface have 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 a kind of reflective surfaces to have optical microstructures
Light guide plate, while the problem bad to light source diffusion and light guide effect is overcome, light guide effect is good, makes the light transmitted more
Add uniformly, it is sufficiently guide-lighting because that can be carried out to light source, it is energy saving, so that entire light guide plate is preferably shone.
To achieve the goals above, the present invention provides the light guide plate that a kind of reflective surface has optical microstructures, features
It is: including light conducting plate body, light guide plate incidence surface, light guide plate light-emitting surface, light guide plate reflective surface, is 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 light-emitting surface and the leaded light
Plate reflective surface is parallel, and the light guide plate reflective surface intersects with the light guide plate lozenges, and the edge of the light guide plate reflective surface is set
There are the not raised chain-wales that width is N, the light guide plate reflective surface is equipped with optical microstructures, the optical microstructures
For the protrusion of strip, the chain-wales are parallel with the optical microstructures.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
Included angle A between the light guide plate reflective surface and the light guide plate lozenges of the light guide plate of structure is greater than 90, the micro- knot of optics
Structure intersects with the light guide plate lozenges, and the optical microstructures are parallel with the light guide plate light-emitting surface.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
The cross section of the optical microstructures of the light guide plate of structure is one or more than one V-arrangement, trapezoidal or arc.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
All radius R1 of the circular arc in the cross section of the optical microstructures of the light guide plate of structure are equal or unequal, radius
R1 range is 20 μm -200 μm, is connected or is not attached between the adjacent circular arc of the adjacent trenches, the chord length M of the circular arc is equal to
Or not equal to interval S 1 between the center of two adjacent circular arcs, S1 range is 10 μm -50 μm.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
The width S 2 of the V-arrangement in the cross section of the optical microstructures of the light guide plate of structure is equal or unequal, the V-arrangement
Maximum width S2 range is 5 μm -50 μm, and the adjacent highest point of the adjacent V-arrangement of the adjacent trenches is connected or is not attached to, the ditch
The depth of the V-arrangement of slot is K2, and K2 value range is 1 μm -15 μm.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
The trapezoidal maximum width S3 in the cross section of the optical microstructures of the light guide plate of structure is equal or unequal, described
Trapezoidal maximum width S3 width is 5 μm -50 μm, and the adjacent highest point of the adjacent trapezoidal of the adjacent trenches is connected or not phase
Even, the trapezoidal height of the groove is K3, and K3 value range is 1 μm -15 μm.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
The radius R1 of the light guide plate of structure is 65 μm, and S1 is 35 μm, and K1 is 6.5 μm.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
The S2 of the light guide plate of structure is 40 μm, and K2 is 5.8 μm.
There is the improvement of the light guide plate of optical microstructures as reflective surface of the present invention, reflective surface of the present invention has the micro- knot of optics
The S3 of the light guide plate of structure is 35 μm, and K3 is 7.8 μm.
Compared with prior art, there is reflective surface of the present invention the light guide plate of optical microstructures to have the advantages that
The problem bad to light source diffusion and light guide effect is overcome simultaneously, light guide effect is good, and keep the light transmitted more uniform,
It is sufficiently guide-lighting because that can be carried out to light source, it is energy saving, so that entire light guide plate is preferably shone.
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 reflective 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 reflective surface of the present invention
Top view.
Fig. 3 is to have light conducting plate body described in the light guide plate preferred embodiment of optical microstructures on reflective surface of the present invention
A-A sectional view in top view.
Fig. 4 is to have light conducting plate body described in the light guide plate preferred embodiment of optical microstructures on reflective surface of the present invention
In top view in A-A sectional view the portion A partial enlargement Fig. 1.
Fig. 5 is to have light conducting plate body described in the light guide plate preferred embodiment of optical microstructures on reflective surface of the present invention
In top view in A-A sectional view the portion A partial enlargement Fig. 2.
Fig. 6 is to have light conducting plate body described in the light guide plate preferred embodiment of optical microstructures on reflective surface of the present invention
In top view in A-A sectional view the portion A partial enlargement Fig. 3.
Fig. 7 is the structural schematic diagram of light guide plate in the prior art.
Fig. 8 is the C-C sectional view of light guide plate in the prior art.
Fig. 9 is the partial enlargement Fig. 1 in the portion A in the C-C sectional view of light guide plate in the prior art.
Figure 10 is the partial enlargement Fig. 2 in the portion A in the C-C sectional view of light guide plate in the prior art.
Figure 11 is the partial enlargement Fig. 3 in the portion A in the C-C sectional view of light guide plate in the prior art.
Specific embodiment
Reflective surface of the present invention has the light guide plate of optical microstructures 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, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, the present invention is described in detail is reflective
Face has the preferred embodiment and other embodiments of the light guide plate of optical microstructures.
The present invention provides a kind of light guide plate of the reflective surface with optical microstructures, including light conducting plate body 1, light guide plate enter light
Face 2, light guide plate light-emitting surface 3, light guide plate reflective surface 4, the edge surface 1 positioned at 3 two side ends of light-emitting surface and edge surface 26,
Light guide plate breech face 7 and light guide plate lozenges 8, the light guide plate light-emitting surface 3 is parallel with the light guide plate reflective surface 4, described to lead
Tabula rasa reflective surface 4 intersects with the light guide plate lozenges 8, and it is the not convex of N that the edge of the light guide plate reflective surface 4, which is equipped with width,
The chain-wales risen, the light guide plate reflective surface 4 are equipped with optical microstructures 4.1, and the optical microstructures 4.1 are the convex of strip
It rises, the chain-wales are parallel with the optics 4.1.
In other embodiments, reflective surface of the present invention has the light guide plate reflective surface 4 of the light guide plate of optical microstructures
Included angle A between the light guide plate lozenges 8 is greater than 90, the optical microstructures 4.1 and 8 phase of light guide plate lozenges
It hands over, the optical microstructures 4.1 are parallel with the light guide plate light-emitting surface 3.
In the present embodiment, reflective surface of the present invention has the optical microstructures 4.1 of the light guide plate of optical microstructures
Cross section is one or more than one V-arrangement, trapezoidal or arc.
In the present embodiment, reflective surface of the present invention has the optical microstructures 4.1 of the light guide plate of optical microstructures
All radius R1 of the circular arc in cross section are equal or unequal, radius R1 be 65 μm, the adjacent trenches it is adjacent
It is connected or is not attached between circular arc, the chord length M of the circular arc is the same or different than interval S 1 between the center of two adjacent circular arcs,
S1 is 35 μm, and K1 is 6.5 μm.
In the present embodiment, reflective surface of the present invention has the optical microstructures 4.1 of the light guide plate of optical microstructures
The width S 2 of the V-arrangement in cross section is equal or unequal, and the maximum width S2 of the V-arrangement is 40 μm, the adjacent ditch
The adjacent highest point of the adjacent V-arrangement of slot is connected or is not attached to, and K2 is 5.8 μm.
In the present embodiment, reflective surface of the present invention has the optical microstructures 4.1 of the light guide plate of optical microstructures
The trapezoidal maximum width S3 in cross section is equal or unequal, and the trapezoidal maximum width S3 is 35 μm, described
The adjacent highest point of the adjacent trapezoidal of adjacent trenches is connected or is not attached to, and K3 is 7.8 μm.
Compared with prior art, the invention has the following advantages: being overcome simultaneously to light source diffusion and leaded light
Ineffective problem, light guide effect is good, keeps the light transmitted more uniform, sufficiently guide-lighting because that can carry out to light source, saves
The energy makes entire light guide plate preferably shine.
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. the light guide plate that a kind of reflective surface has optical microstructures, it is characterised in that: enter light including 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 light-emitting surface is parallel with the light guide plate reflective surface, the light guide plate reflective surface
Intersect with the light guide plate lozenges, the edge of the light guide plate reflective surface is equipped with the not raised chain-wales that width is N, institute
Light guide plate reflective surface is stated equipped with optical microstructures, the optical microstructures are the protrusion of strip, the chain-wales and the light
It is parallel to learn micro-structure.
2. reflective surface has the light guide plate of optical microstructures according to claim 1, it is characterised in that: the light guide plate is reflective
Included angle A between face and the light guide plate lozenges is greater than 90, and the optical microstructures intersect with the light guide plate lozenges, institute
It is parallel with the light guide plate light-emitting surface to state optical microstructures.
3. reflective surface has the light guide plate of optical microstructures according to claim 2, it is characterised in that: the optical microstructures
Cross section be one or more than one V-arrangement, trapezoidal or arc.
4. reflective surface has the light guide plate of optical microstructures according to claim 3, it is characterised in that: the optical microstructures
Cross section in the circular arc all radius R1 it is equal or unequal, radius R1 range be 20 μm -200 μm, the phase
5 μm -50 μm of phase between the adjacent circular arc of adjacent groove, the crosspoint of two adjacent circular arcs to the minimum point height of arc groove are K1, K1
Value range is 1 μm -15 μm.
5. reflective surface has the light guide plate of optical microstructures according to claim 3, it is characterised in that: the optical microstructures
Cross section in the V-arrangement width S 2 it is equal or unequal, the maximum width S2 range of the V-arrangement is 5 μm -50 μm,
The adjacent highest point of the adjacent V-arrangement of the adjacent trenches is connected or is not attached to, and the depth of the V-arrangement of the groove is K2, K2
Value range is 1 μm -15 μm.
6. reflective surface has the light guide plate of optical microstructures according to claim 3, it is characterised in that: the optical microstructures
Cross section in the trapezoidal maximum width S3 it is equal or unequal, the trapezoidal maximum width S3 width be 5 μm-
50 μm, the adjacent highest point of the adjacent trapezoidal of the adjacent trenches is connected or is not attached to, the trapezoidal height of the groove
For K3, K3 value range is 1 μm -15 μm.
7. reflective surface has the light guide plate of optical microstructures according to claim 4, it is characterised in that: radius R1 is 65 μm,
S1 is 35 μm, and K1 is 6.5 μm.
8. reflective surface has the light guide plate of optical microstructures according to claim 5, it is characterised in that: S2 is 40 μm, and K2 is
5.8μm。
9. reflective surface has the light guide plate of optical microstructures according to claim 6, it is characterised in that: S3 is 35 μm, and K3 is
7.8μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466591.4A CN110146951A (en) | 2019-05-30 | 2019-05-30 | A kind of reflective surface has the light guide plate of optical microstructures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466591.4A CN110146951A (en) | 2019-05-30 | 2019-05-30 | A kind of reflective surface has the light guide plate of optical microstructures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110146951A true CN110146951A (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910466591.4A Pending CN110146951A (en) | 2019-05-30 | 2019-05-30 | A kind of reflective surface has the light guide plate of optical microstructures |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102089573A (en) * | 2009-09-30 | 2011-06-08 | 夏普株式会社 | Light source module and electronic apparatus with same |
| US20110292318A1 (en) * | 2010-05-27 | 2011-12-01 | Panasonic Liquid Crystal Display Co., Ltd. | Liquid crystal display device |
| CN103257391A (en) * | 2013-01-08 | 2013-08-21 | 友达光电股份有限公司 | Light guide plate and backlight module |
| CN103307512A (en) * | 2012-03-15 | 2013-09-18 | 欧姆龙株式会社 | Surface light source device and liquid crystal display device |
| CN105527671A (en) * | 2014-10-21 | 2016-04-27 | 欧姆龙株式会社 | Light guide plate and surface illumination device |
| CN206818905U (en) * | 2017-05-17 | 2017-12-29 | 锦湖光电(深圳)有限公司 | Light guide plate |
| CN210123480U (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 microstructure on reflecting surface |
-
2019
- 2019-05-30 CN CN201910466591.4A patent/CN110146951A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102089573A (en) * | 2009-09-30 | 2011-06-08 | 夏普株式会社 | Light source module and electronic apparatus with same |
| US20110292318A1 (en) * | 2010-05-27 | 2011-12-01 | Panasonic Liquid Crystal Display Co., Ltd. | Liquid crystal display device |
| CN103307512A (en) * | 2012-03-15 | 2013-09-18 | 欧姆龙株式会社 | Surface light source device and liquid crystal display device |
| CN103257391A (en) * | 2013-01-08 | 2013-08-21 | 友达光电股份有限公司 | Light guide plate and backlight module |
| CN105527671A (en) * | 2014-10-21 | 2016-04-27 | 欧姆龙株式会社 | Light guide plate and surface illumination device |
| CN206818905U (en) * | 2017-05-17 | 2017-12-29 | 锦湖光电(深圳)有限公司 | Light guide plate |
| CN210123480U (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 microstructure on reflecting surface |
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| PB01 | Publication | ||
| 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: 20190820 |