CN106556888A - Preparation method with high transmission efficiency glass light guide plate - Google Patents
Preparation method with high transmission efficiency glass light guide plate Download PDFInfo
- Publication number
- CN106556888A CN106556888A CN201510616118.1A CN201510616118A CN106556888A CN 106556888 A CN106556888 A CN 106556888A CN 201510616118 A CN201510616118 A CN 201510616118A CN 106556888 A CN106556888 A CN 106556888A
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- China
- Prior art keywords
- light
- light guide
- preparation
- transmission efficiency
- guide plate
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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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/007—Other surface treatment of glass not in the form of fibres or filaments by thermal treatment
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
A kind of preparation method with high transmission efficiency glass light guide plate, it is to cut out a glass plate using a guillotine, and the glass plate has relative and one first parallel tabular surface and one second tabular surface, and an incidence surface that is vertical and connecting first tabular surface and second tabular surface；Thermoplastics type's machine is recycled to heat and extrude the incidence surface of the glass plate, deform the incidence surface and form a light guide section, the light guide section has the light guiding surface of vertical first tabular surface and second tabular surface, and the area of the light guiding surface more than the area of the incidence surface.Thereby, when a light is incident by the light guiding surface, it is possible to reduce light is irradiated to the corner of the light guiding surface, and reduces the possibility of light line reflection, to increase the light into the glass plate, improve guide-lighting efficiency.
Description
Technical field
The present invention relates to a kind of preparation method of light guide plate, more particularly to a kind of there is high transmission efficiency glass to lead
The preparation method of tabula rasa.
Background technology
The effect of light guide plate is the principle using total reflection and scattering, and guides the direction of propagation of light beam, when
After light beam is entered by the incidence surface of light guide plate, inside light guide plate can be totally reflected and be scattered, finally, light
Beam can make spot light or line source become area source by light guide plate by the exiting surface uniform of light guide plate,
And among the fields such as display, illumination can be widely used in.
The Light guide plate of general common light guide plate such as U.S. Patent Bulletin US 7478942
A kind of with light reflection pattern, its light guide plate of exposure, include one light beam of a reception
Light entrance face, a first surface, a second surface and multiple light reflectograms for being arranged at the first surface
Case, those light reflection graphic patterns reflect the light beam, make the light beam towards the second surface outgoing.And light guide plate is general
It is to be made using plastic material.And with the progress of glass technology technology, also have dealer to start to develop glass at present
Glass light guide plate, however, carrying out during glass is fabricated to appropriately sized light guide plate, glass being carried out
Cutting, thus very sharp corner can be formed, appearance is easily portable or carries out fragmentation or incised wound operation during technique
Personnel, therefore the techniques such as the chemically or physically grinding of corner can be typically carried out, make corner round and smoothization.
However, please refer to Fig. 1, the corner 1 of round and smoothization easily increases the possibility of the reflection of light 2, and
The light into the glass light guide plate 3 is made to reduce and reduce guide-lighting efficiency, therefore, how to reduce light anti-
The possibility penetrated, increases the light into the glass light guide plate and improves guide-lighting efficiency, and actually related dealer is exerted
The target of power.
The content of the invention
The main object of the present invention, is the easy reflection light in corner for solving round and smoothization, and makes into the glass
The light of glass light guide plate is reduced and reduces the problem of guide-lighting efficiency.
It is that, up to above-mentioned purpose, the present invention provides a kind of preparation method with high transmission efficiency glass light guide plate,
Include following steps：
S1：Cut out a glass plate using a guillotine, and the glass plate have it is relative and parallel one
First tabular surface and one second tabular surface, and one is vertical and connect first tabular surface and second tabular surface
An incidence surface；And
S2：The incidence surface of the glass plate is heated and extruded using thermoplastics type's machine, make this enter light
Facial disfigurement and form a light guide section, the light guide section has vertical first tabular surface and second tabular surface
Light guiding surface, and the area of the light guiding surface is more than the area of the incidence surface.
In sum, the invention has the characteristics that：
First, heated by the incidence surface to the glass plate and extruded and form the light guiding surface, and
As the area of the light guiding surface is more than the area of the incidence surface so that incident light is difficult to be irradiated to the leaded light
The corner in face, and the possibility of light line reflection can be reduced, to improve guide-lighting efficiency.
2nd, it is more than the area of the incidence surface by the area of the light guiding surface, and the amount of incident of light can be increased,
Improve guide-lighting efficiency.
3rd, using thermoplastics type's machine heating extruding in the way of making the light guide section, and with integrally formed
Mode forms the light guide section on the glass plate, it is to avoid extra to make light-guide device and reflect light and cause
The problem of brightness consume.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Description of the drawings
Fig. 1, is the incident partial schematic diagram of present light guide plate light；
Fig. 2, is the Making programme schematic diagram of first embodiment of the invention；
Fig. 3 A～3E, are that the continuous structure of first embodiment of the invention makes schematic diagram；
Fig. 4, is the overlooking the structure diagram of first embodiment of the invention；
Fig. 5, is the side structure schematic view of second embodiment of the invention；
Fig. 6, is the incident partial schematic diagram of light of the present invention；
Fig. 7, is the application schematic diagram of the present invention；
Fig. 8, is the Making programme schematic diagram of third embodiment of the invention.
Specific embodiment
It is related to detailed description of the invention and technology contents, now just coordinates description of the drawings as follows：
Refer to shown in Fig. 2 to Fig. 6, be the Making programme schematic diagram of first embodiment of the invention, continuous knot
It is incident that schematic diagram, overlooking the structure diagram, the side structure schematic view of second embodiment and light are made in body plan
Partial schematic diagram.The present invention provides a kind of preparation method with high transmission efficiency glass light guide plate, comprising
There are following steps：
S1：A glass plate 10, and the glass plate 10 are cut out with relative and flat using a guillotine
One first capable tabular surface 11 and one second tabular surface 12, and one is vertical and connect first tabular surface 11
With an incidence surface 13 of second tabular surface 12, as shown in Figure 3A, wherein, first tabular surface 11
On second tabular surface 12.In the present embodiment, following steps have been further included：
S1A：The technique such as toolroom machine or chemical grinding is controlled using computer numerical, to the glass plate 10
Each and every one corner 16 carries out round and smooth process more, i.e., as shown in Figure 3 B, round and smooth process can prevent those corners
16 hurt operating personnel or fragmentation when carrying or carry out technique because being excessively sharp, and cause the increasing of cost
Plus.Additionally, also can directly carry out step S2, the glass of molten state, will be direct because of molecule gathering effect
Reduce the generation of sharp corner.
S2：As shown in Fig. 3 C to Fig. 3 D, entered using 20 pairs of glass plates 10 of thermoplastics type's machine this
Light face 13 is heated and is extruded, and the incidence surface 13 is deformed and is formed a light guide section 14, the light guide section
14 light guiding surfaces 15 with vertical first tabular surface 11 with second tabular surface 12, and the light guiding surface
Area of 15 area more than the incidence surface 13.And arrange in pairs or groups refering to shown in Fig. 6, when 44 court of a light emitting source
When the light guiding surface 15 launches a light 50, due to the heating through thermoplastics type's machine 20 and extruding, this is made
Light guiding surface 15 is more than the incidence surface 13, and can increase the amount of incident of the light 50, it is possible to make incidence
The light 50 is difficult those corners 16 for being irradiated to the light guiding surface 15, and can reduce the reflection of light 50
May, to improve guide-lighting efficiency, and using the heating extruding system in the way of integrally formed of thermoplastics type's machine 20
The light guide section 14 is made, can avoid additionally making light-guide device and making the light 50 produce extra refraction,
In turn result in the problem of brightness consume.In the present embodiment, can illustrate further, can in step S2
Comprise the steps of：
S2A：The alignment of incidence surface 13 of the glass plate 10 is placed into into a wedge of thermoplastics type's machine 20
Type heating module 21, the wedge type heating module are heated to the incidence surface 13 of the glass plate 10,
The incidence surface 13 is made to form molten state and there is plasticity；And
S2B：The wedge type heating module is promoted to extrude using a push module (not shown) of thermoplastics type's machine 20
The incidence surface 13 of the glass plate 10, makes to form the light guide section 14 with the plastic incidence surface 13,
And the light guide section 14 coordinates the shape of the wedge type heating module and is wedge type.
S3：Mirror process is carried out to the light guiding surface 15, for example, the technique such as is polished to the light guiding surface 15,
The surface roughness (Ra) of the light guiding surface 15 is made less than 0.2um, to reduce the scattering degree of the light 50.
S5：As shown in FIGURE 3 E, multiple guide-lighting micro-structurals 30 are formed on second tabular surface 12, those
Guide-lighting micro-structural 30 light 50 is reflexed to first tabular surface 11, and in first tabular surface
11 outgoing.
In the first embodiment of the present invention, those guide-lighting micro-structurals 30 are shaped as semicircle, and such as scheme
Shown in 4, those guide-lighting micro-structurals 30 are less than those guide-lighting micro- knots adjacent to the distribution density of the light guide section 14
Structure 30 is away from the distribution density of the light guide section 14, consequently, it is possible to light 50 can be made uniform by this
First tabular surface, 11 outgoing, but the distribution density of those guide-lighting micro-structurals 30 can have with the demand of user
And change, it is not limited.Fig. 5 is then the second embodiment of the present invention, in this embodiment, should
A little leaded light micro-structurals 30 are shaped as pyramid, likewise, the shape of those guide-lighting micro-structurals 30 also may be used
Make with the demand of user and change.
Continuous collocation is refering to shown in Fig. 7, being schematic diagram that the present invention is applied to backlight module, first flat in this
On face 11, diffusion sheet 43 on once diffusion sheet 41, a blast piece 42 and is sequentially set, and in this
Second tabular surface 12 arranges a reflecting layer 45, and arranges sending out for one light 50 of transmitting in the light guiding surface 15
Light source 44, the light 50 enter the glass plate 10 via the light guiding surface 15, and work as the light 50 and be incident upon
During those guide-lighting micro-structurals 30, the light 50 can be by reflection by 11 outgoing of the first tabular surface, then Jing
By the lower diffusion sheet 41, the blast piece 42 and diffusion sheet 43 on this, it is more uniformly distributed the light of outgoing, if
The light 50 is projected by second tabular surface 12 accidentally, can be reflected back again the glass by the reflecting layer 45
Glass flat board 10.And as 10 high temperature resistant of glass plate, therefore the light emitting source 44 can fit in this and lead
On light face 15, without producing the problem melted because overheated.Additionally, this application embodiment is with backlight
Module as an example, but among being equally applicable for illuminating etc. and needing the field of light guide plate, not with this place
The example of act is limited.
Continuous collocation, refering to shown in Fig. 8, is the Making programme schematic diagram of third embodiment of the invention.The present invention is carried
For another kind of preparation method with high transmission efficiency glass light guide plate, include following steps：
S1：A glass plate 10, and the glass plate 10 are cut out with relative and flat using a guillotine
One first capable tabular surface 11 and one second tabular surface 12, and one is vertical and connect first tabular surface 11
With an incidence surface 13 of second tabular surface 12, wherein, it is second flat that first tabular surface 11 is located at this
On face 12.
S1A：The technique such as toolroom machine or chemical grinding is controlled using computer numerical, to the glass plate 10
Each and every one corner 16 carries out round and smooth process more, prevent those corners 16 because be excessively sharp and in carrying or carry out work
Operating personnel or fragmentation are hurt during skill, and causes the increase of cost.
S2：Heated and extruded using the incidence surface 13 of 20 pairs of glass plates 10 of thermoplastics type's machine,
The incidence surface 13 is made to deform and form a light guide section 14, vertical this is first flat with one for the light guide section 14
Face 11 and the light guiding surface 15 of second tabular surface 12, and the area of the light guiding surface 15 is more than the incidence surface 13
Area, therefore, the amount of incident of the light 50 can be increased, it is possible to make incidence the light 50 be difficult shine
Those corners 16 of the light guiding surface 15 are mapped to, and the possibility of the reflection of light 50 can be reduced, led with improving
Light efficiency.Additionally, also can directly carry out step S2, the glass of molten state, will because of molecule gathering effect
The generation of sharp corner is reduced directly.
S4：Mirror process is carried out to the light guiding surface 15, for example, the technique such as is polished to the light guiding surface 15,
The surface roughness (Ra) of the light guiding surface 15 is made less than 0.2um, to reduce the scattering degree of the light 50.
S5：Multiple guide-lighting micro-structurals 30 are formed on second tabular surface 12, those guide-lighting micro-structurals 30
The light 50 is reflexed to first tabular surface 11, and in 11 outgoing of the first tabular surface.
From unlike previous embodiment, in this embodiment, the shape of thermoplastics type's machine 20 is not limiting as,
Therefore, the demand of person can also be used cooperatively and makes the light guide section 14 form different shapes.
In sum, the invention has the characteristics that：
First, area of the area of the light guiding surface more than the incidence surface, therefore, the amount of incident of light can be increased,
And the light of incidence can be made to be difficult to be irradiated to those corners of the light guiding surface, and can reduce light line reflection can
Can, to improve guide-lighting efficiency.
2nd, mirror process is carried out by the light guiding surface, can reduce light scattering degree, make to enter and be somebody's turn to do
The light of glass plate increases.
3rd, using thermoplastics type's machine heating extruding in the way of making the light guide section, and with integrally formed
Mode forms the light guide section on the glass plate, it is to avoid extra to make light-guide device and reflect light and cause
The problem of brightness consume.
4th, by the setting of those guide-lighting micro-structurals, light can be made by the first tabular surface outgoing, and
Form uniform area source.
5th, the glass plate high temperature resistant, therefore the light emitting source can be fitted on the light guiding surface, and not
Can produce now because of the problem for having overheated thawing using plastic cement material.
Certainly, the present invention can also have other various embodiments, in the feelings without departing substantially from spirit of the invention and its essence
Under condition, those of ordinary skill in the art work as and can make various corresponding changes and deformation according to the present invention, but
These corresponding changes and deformation should all belong to the protection domain of appended claims of the invention.
Claims (9)
1. a kind of preparation method with high transmission efficiency glass light guide plate, it is characterised in that include with
Lower step：
S1：Cut out a glass plate using a guillotine, and the glass plate have it is relative and parallel one
First tabular surface and one second tabular surface, and one is vertical and connect first tabular surface and second tabular surface
An incidence surface；And
S2：The incidence surface of the glass plate is heated and extruded using thermoplastics type's machine, make this enter light
Facial disfigurement and form a light guide section, the light guide section has vertical first tabular surface and second tabular surface
Light guiding surface, and the area of the light guiding surface is more than the area of the incidence surface.
2. the preparation method with high transmission efficiency glass light guide plate according to claim 1, which is special
Levy and be, the following steps are further included between step S1 and step S2：
S1A：Round and smooth process is carried out to multiple corners of the glass plate.
3. the preparation method with high transmission efficiency glass light guide plate according to claim 2, which is special
Levy and be, in step S1A, be any one mode that toolroom machine and chemical grinding are controlled using computer numerical
Carry out the round and smooth process of those corners.
4. the preparation method with high transmission efficiency glass light guide plate according to claim 1, which is special
Levy and be, the following steps are further included in step S2：
S2A：The incidence surface of the glass plate is aligned to into a wedge type heating module of thermoplastics type's machine；With
And
S2B：The wedge type heating module is promoted to extrude the glass plate using a push module of thermoplastics type's machine
The incidence surface, to form the light guide section.
5. the preparation method with high transmission efficiency glass light guide plate according to claim 4, which is special
Levy and be, step S3 is had more after step S2：Mirror process is carried out to the light guiding surface, to reduce
Light scatters degree.
6. the preparation method with high transmission efficiency glass light guide plate according to claim 1, which is special
Levy and be, step S4 is had more after step S2：Mirror process is carried out to the light guiding surface, to reduce
Light scatters degree.
7. the preparation method with high transmission efficiency glass light guide plate according to claim 1, which is special
Levy and be, step S5 has been further included after step S2：Multiple leaded lights are formed on second tabular surface micro-
Structure.
8. the preparation method with high transmission efficiency glass light guide plate according to claim 7, which is special
Levy and be, in step S5, those guide-lighting micro-structurals are less than adjacent to the distribution density of the light guide section and are somebody's turn to do
A little leaded light micro-structurals are away from the distribution density of the light guide section.
9. the preparation method with high transmission efficiency glass light guide plate according to claim 7, which is special
Levy and be, in step S5, the shape of those guide-lighting micro-structurals is selected from by semicircle and pyramid
The group for being constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616118.1A CN106556888B (en) | 2015-09-24 | 2015-09-24 | Production method with high transmission efficiency glass light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616118.1A CN106556888B (en) | 2015-09-24 | 2015-09-24 | Production method with high transmission efficiency glass light guide plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106556888A true CN106556888A (en) | 2017-04-05 |
| CN106556888B CN106556888B (en) | 2019-06-04 |
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ID=58415278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510616118.1A Active CN106556888B (en) | 2015-09-24 | 2015-09-24 | Production method with high transmission efficiency glass light guide plate |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095834A (en) * | 2018-01-31 | 2019-08-06 | 京东方科技集团股份有限公司 | Backlight, backlight source preparation method and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1600712A (en) * | 2003-09-25 | 2005-03-30 | 肖特股份有限公司 | Prepn for rolled glass or glass ceramic sheet having locally-shaped partial portion |
| CN101825246A (en) * | 2009-03-03 | 2010-09-08 | 康佳集团股份有限公司 | Side entering type backlight module |
| CN202256753U (en) * | 2011-10-10 | 2012-05-30 | 靖江市永盛光电科技有限公司 | Ultrathin light guide plate light guide structure of backlight source |
| CN103869407A (en) * | 2014-03-07 | 2014-06-18 | 合肥铨励光电科技有限公司 | Cold/hot rolling thin film type highlighting light guide plate and roll-to-roll preparation method thereof |
-
2015
- 2015-09-24 CN CN201510616118.1A patent/CN106556888B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1600712A (en) * | 2003-09-25 | 2005-03-30 | 肖特股份有限公司 | Prepn for rolled glass or glass ceramic sheet having locally-shaped partial portion |
| CN101825246A (en) * | 2009-03-03 | 2010-09-08 | 康佳集团股份有限公司 | Side entering type backlight module |
| CN202256753U (en) * | 2011-10-10 | 2012-05-30 | 靖江市永盛光电科技有限公司 | Ultrathin light guide plate light guide structure of backlight source |
| CN103869407A (en) * | 2014-03-07 | 2014-06-18 | 合肥铨励光电科技有限公司 | Cold/hot rolling thin film type highlighting light guide plate and roll-to-roll preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095834A (en) * | 2018-01-31 | 2019-08-06 | 京东方科技集团股份有限公司 | Backlight, backlight source preparation method and display device |
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| Publication number | Publication date |
|---|---|
| CN106556888B (en) | 2019-06-04 |
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