CN102043186A - Light guide plate and manufacturing method thereof - Google Patents
Light guide plate and manufacturing method thereof Download PDFInfo
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- CN102043186A CN102043186A CN 201010514578 CN201010514578A CN102043186A CN 102043186 A CN102043186 A CN 102043186A CN 201010514578 CN201010514578 CN 201010514578 CN 201010514578 A CN201010514578 A CN 201010514578A CN 102043186 A CN102043186 A CN 102043186A
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Abstract
The invention relates to a light guide plate and a manufacturing method thereof. The light guide plate is provided with a light incident side, a light reflective surface and a light emergent surface, and a first colored light provided by a light source is transmitted in the light guide plate; the light guide plate comprises a fluorescent layer and a plurality of light guide microstructures, wherein the fluorescent layer is arranged on the light emergent surface, and the plurality of light guide microstructures are arranged on the light reflective surface; the first colored light enters the light guide plate from the light incident surface to transmit; and the fluorescent layer is excited by the first colored light to generate a second colored light, while the first colored light and the second colored light are mixed into a third colored light. The light guide plate has the beneficial effects that as the fluorescent layer and the light guide microstructures are matched with the colored light provided by a light emitting diode, excellent luminance uniformity and luminance efficiency can be obtained, and the uniform area light source can be provided; and the fluorescent layer and the light guide microstructures can be formed in the same processing, so that the processing cost can be saved.
Description
Technical field
The present invention relates to a kind of backlight module, relate in particular to light guide plate and manufacture method thereof in this backlight module.
Background technology
Generally speaking, liquid crystal indicator is made of liquid crystal panel and backlight module.Liquid crystal panel changes the throughput of light in different picture elements zone, and causes light and shade difference in different picture elements zone, to reach the purpose of show image by the rotation of liquid crystal molecule and the effect of Polarizer.
Because liquid crystal itself does not have the characteristics of luminescence, provide area source so need to rely on backlight module.Along with the development trend of large scale, slimming, present backlight module adopts the lateral incident type backlight module mostly.Lateral incident type backlight module can arrange in pairs or groups light emitting diode and light guide plate have the advantage of thinner thickness.
Existing light emitting diode is made up of light-emitting diode chip for backlight unit, fluorescent powder and packing colloid.Particularly, packing colloid coats whole light-emitting diode chip for backlight unit, and fluorescent powder is distributed in the packing colloid and is positioned on the light emitting path of light-emitting diode chip for backlight unit.
Yet the processing procedure of distribution fluorescent powder is not allow manageablely in packing colloid, and the concentration of fluorescent powder, distribution density are in the error that can exist between each light emitting diode on making.Thus, when a plurality of light emitting diodes are arranged at a side of light guide plate, the coloured light that a plurality of light emitting diode provided will there are differences each other, cause the homogeneity of formed area source not good.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of light guide plate, are intended to solve the above problems;
The present invention also provides the method for making above-mentioned light guide plate.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Light guide plate of the present invention has a light entrance face, a light reflection surface and a light-emitting face; One first coloured light that is provided by a light source transmits in this light guide plate, and this light guide plate comprises: a fluorescence coating; Described fluorescence coating is arranged at this light-emitting face; And a plurality of leaded light microstructures; Described a plurality of leaded light microstructure is arranged at this light reflection surface; This first coloured light enters this light guide plate from this light entrance face and transmits, and this fluorescence coating is subjected to this first exciting of coloured light and sends one second coloured light, and this first coloured light and this second coloured light mixed light are one the 3rd coloured light;
Method for manufacturing light guide plate of the present invention: this light guide plate has a light entrance face, a light reflection surface and a light-emitting face, and one first coloured light that is provided by a light source transmits in this light guide plate, and this manufacturing method of light conducting board realizes by following steps:
One first transparent material is provided;
One fluorescent material is provided;
With this first transparent material with this fluorescent material in being a light guide plate in the processing procedure via giving as security molded, wherein, form a fluorescence coating at this light-emitting face of this light guide plate, form a leaded light microstructure at this light reflection surface of this light guide plate;
This first coloured light enters this light guide plate from this light entrance face and transmits, and this fluorescence coating is subjected to this first exciting of coloured light and sends one second coloured light, and this first coloured light and this second coloured light mixed light are one the 3rd coloured light.
Compared with prior art, the invention has the beneficial effects as follows: have fluorescence coating and leaded light microstructure, cooperate the coloured light that light emitting diode provided, can obtain good uniformity of luminance and luminescence efficiency, and then uniform surface light source is provided; Can in processing procedure, form the fluorescence coating and the leaded light microstructure of light guide plate, to save the processing procedure cost.
Description of drawings
Fig. 1 is the schematic perspective view of a kind of light guide plate of the embodiment of the invention.
Fig. 2 is the schematic perspective view of the light guide plate of Fig. 1.
Fig. 3 is the schematic perspective view of the another kind of light guide plate of the embodiment of the invention.
Fig. 4 is the step synoptic diagram of a kind of manufacturing method of light conducting board of the embodiment of the invention.
Fig. 5 is the synoptic diagram of a kind of light guide plate manufacturing installation of the embodiment of the invention.
Fig. 6 is the synoptic diagram of a kind of liquid crystal indicator of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
The present invention proposes a kind of light guide plate, has light entrance face, light reflection surface and light-emitting face, is transmitted in light guide plate by first coloured light that light source provided.Light guide plate comprises: fluorescence coating and a plurality of leaded light microstructure.Fluorescence coating is arranged at light-emitting face, the leaded light microstructure is arranged at light reflection surface, and wherein, first coloured light enters this light guide plate from this light entrance face and transmits, this fluorescence coating is subjected to first the exciting of coloured light and sends second coloured light, and first coloured light and the second coloured light mixed light are the 3rd coloured light.
The present invention also proposes a kind of manufacturing method of light conducting board, and this light guide plate has light entrance face, light reflection surface and light-emitting face, is transmitted in light guide plate by first coloured light that light source provided.Manufacturing method of light conducting board realizes by following steps: at first, provide first transparent material.Continue it, a fluorescent material is provided.Afterwards, with first transparent material with fluorescent material in being a light guide plate in the processing procedure via giving as security molded, wherein, form fluorescence coating at the light-emitting face of light guide plate, form the leaded light microstructure at the light reflection surface of light guide plate.First coloured light enters light guide plate from light entrance face and transmits, and fluorescence coating is subjected to first the exciting of coloured light and sends second coloured light, and first coloured light and the second coloured light mixed light are the 3rd coloured light.
In one embodiment of this invention, be embedded in light guide plate in the above-mentioned leaded light microstructure.
In one embodiment of this invention, above-mentioned leaded light microstructure protrudes in light guide plate.
In one embodiment of this invention, the section shape of above-mentioned leaded light microstructure is to be selected from square, rectangle, rhombus, circle, ellipse, triangle, waveform and combination thereof.
In one embodiment of this invention, the distribution density of above-mentioned leaded light microstructure is along with increasing away from light source.
In one embodiment of this invention, the first above-mentioned coloured light is blue light, and second coloured light is gold-tinted, and the 3rd coloured light is white light.
In one embodiment of this invention, the first above-mentioned coloured light is blue light, and second coloured light is red green mixed light, and the 3rd coloured light is white light.
In one embodiment of this invention, above-mentioned manufacturing method of light conducting board also comprises: one second transparent material is provided, comprises fluorescent material, and with first transparent material with second transparent material with being light guide plate in the processing procedure via giving as security molded.
Based on above-mentioned, light guide plate of the present invention has fluorescence coating and leaded light microstructure simultaneously, first coloured light that is incident in light guide plate can be reflected by the leaded light microstructure efficiently at light reflection surface, can promote the light collection rate, and evenly be arranged at fluorescence coating on the light guide plate and can be excited by first coloured light well and produce uniform second coloured light, and then mixed light obtains colour temperature, the 3rd coloured light that color rendering is good.Can solve the deflection effect of the coloured light that the prior art kind caused because of fluorescent powder concentration, distribution density between a plurality of light emitting diodes differ from one another.In addition, manufacturing method of light conducting board can form fluorescence coating and leaded light microstructure simultaneously with processing procedure, and can control the thickness of light guide plate and fluorescence coating, can reduce cost of manufacture.
[light guide plate]
Fig. 1 is the schematic perspective view of a kind of light guide plate of the embodiment of the invention.Please refer to Fig. 1, light guide plate 100 has light entrance face 100a, light reflection surface 100b and light-emitting face 100c, and the first coloured light L1 that is provided by light source 200 transmits in light guide plate 100.Light guide plate 100 comprises: fluorescence coating 102 and a plurality of leaded light microstructure 104.Fluorescence coating 102 is arranged at light-emitting face 100c, leaded light microstructure 104 is arranged at light reflection surface 100b, wherein, the first coloured light L1 enters light guide plate 100 from light entrance face 100a and transmits, fluorescence coating 102 is subjected to exciting of the first coloured light L1 and sends the second coloured light L2, and the first coloured light L1 and the second coloured light L2 mixed light are the 3rd coloured light L3.
It should be noted that light source 200 can be the light emitting diode that does not contain fluorescent material, that is, only utilize light-emitting diode chip for backlight unit to send the first coloured light L1.Because the processing procedure of light-emitting diode chip for backlight unit can be controlled with being stabilized, so the first coloured light L1 that the different light-emitting diode chip for backlight unit of light source 200 are sent each other comes down to uniformly.
It should be noted that light guide plate 100 can have fluorescence coating 102 and leaded light microstructure 104 simultaneously.The first coloured light L1 that is incident in light guide plate is reflected by leaded light microstructure 104 efficiently at light reflection surface 100b, can promote the light collection rate.Simultaneously, fluorescence coating 102 is to be arranged at equably on the light guide plate 100, and the first coloured light L1 enters after the uniform fluorescence coating 102, and fluorescence coating 102 can be excited by the first coloured light L1 well and produce the uniform second coloured light L2.Generally speaking, be good all by the colour temperature of the 3rd coloured light L3 of light guide plate 100 outgoing, color rendering etc. than prior art.This is because above-mentioned light guide plate 100 can solve in the prior art, because of the differ from one another deflection effect of the coloured light that caused of fluorescent powder concentration, distribution density between a plurality of light emitting diodes.
Please continue with reference to Fig. 1, leaded light microstructure 104 as shown in Figure 1 is embedded in light guide plate 100 in being.Thus, can avoid leaded light microstructure 104 and extraneous diaphragm to rub and cause damage, can guarantee that the guiding property of leaded light microstructure 104 is unaffected.
Fig. 2 is the schematic perspective view of the light guide plate of Fig. 1.Please refer to Fig. 2, Fig. 2 with the light guide plate 100 of Fig. 1 overturn 180 the degree, make light reflection surface 100b as last aspect, be beneficial to observe the set-up mode of leaded light microstructure 104.The section shape of leaded light microstructure 104 as shown in Figure 1 and Figure 2 is circular, yet the section shape of leaded light microstructure 104 can also be other shape, for example is selected from square, rectangle, rhombus, ellipse, triangle, waveform (not illustrating).In addition, can also on the reflecting surface 100b of light guide plate 100, be provided with and have the leaded light microstructure 104 of multiple different section shape (square, rectangle, rhombus, ellipse, triangle, circle, waveform), and make up arbitrarily.
Moreover, please be simultaneously with reference to Fig. 1 and shown in Figure 2, the distribution density of leaded light microstructure 104 is along with increasing away from light source 200, that is, increase towards the light transmission direction of the first coloured light L1.Because the intensity away from the first coloured light L1 of light source 200 can be tending towards weakening,, can promote reflectivity effectively away from the first coloured light L1 at light source 200 places so utilize in that a plurality of (distribution density height) leaded light microstructure 104 is set away from light source 200 places.The result is that light guide plate 100 can provide more uniform surface light source.Yet the distribution density of leaded light microstructure 104, distribution mode can need to decide with design, also can adopt regular distribution or stochastic distribution, are not limited at this.
Fig. 3 is the schematic perspective view of the another kind of light guide plate of the embodiment of the invention.Please refer to Fig. 3, light guide plate 100 ' is similar with the light guide plate 100 of Fig. 1, and identical assembly indicates with identical symbol.It should be noted that leaded light microstructure 104 as shown in Figure 3 is to protrude in light guide plate 100 (not illustrating).The leaded light microstructure 104 that protrudes in light guide plate 100 can make the light guide plate 100 and the reflector plate (not illustrating) of below keep a mixed light spacing, helps and will send into well this light guide plate 100 from the light of reflector plate reflection.And the leaded light microstructure 104 that protrudes in light guide plate 100 also can avoid reflector plate to attach to the light reflection surface 100b of light guide plate 100.
Above-mentioned leaded light microstructure 104 can be according to the design that need be correlated with of design, for example, can protrude in light guide plate 100, in be embedded in light guide plate 100, distribution density with light source 200 change, distribution mode is for rule or wait at random, is not limited to above-mentioned embodiment.
Please continue with reference to Fig. 1, from the first coloured light L1 of light source 200 (for example light emitting diode), with the second coloured light L2 from fluorescence coating 102, but mixed light is the 3rd coloured light L3.Can decide the combination of the first coloured light L1 and the second coloured light L2 according to the 3rd coloured light L3 of required color.For example, when needs the 3rd coloured light L3 was white light, the first coloured light L1 can adopt blue light (for example, use blue light diode), and second coloured light can adopt gold-tinted (for example, using yellow fluorescent powder) so that mixed light and the 3rd coloured light L3 become white light.
In another embodiment, also can make the first above-mentioned coloured light L1 is blue light (for example, use blue light diode), the second coloured light L2 be red green mixed light (for example, use red fluorescence powder, green emitting phosphor to mix and fluorescence coating 102), make mixed light and the 3rd coloured light L3 become white light.Certainly, also can carry out other collocation,, be not limited in above-mentioned white light to obtain the coloured light of required color.
From the above, above-mentioned light guide plate 100,100 ' has fluorescence coating 102 and leaded light microstructure 104 simultaneously, by the synergy of leaded light microstructure 104 with fluorescence coating 102, that is, leaded light microstructure 104 can be sent the first coloured light L1 into fluorescence coating 102 well, make the first coloured light L1 that in light guide plate 100,100 ', transmits fluorescence excitation layer 102 and produce the second coloured light L2 effectively, and then make the first coloured light L1 and the second coloured light L2 carry out mixed light to obtain the 3rd coloured light L3.Generally speaking, use above-mentioned light guide plate 100,100 ' collocation light source 200, can obtain good uniformity of luminance and luminescence efficiency, and then uniform surface light source can be provided.
[manufacturing method of light conducting board]
Fig. 4 is the step synoptic diagram of a kind of manufacturing method of light conducting board of the embodiment of the invention.Fig. 5 is the synoptic diagram of a kind of light guide plate manufacturing installation of the embodiment of the invention.Please earlier with reference to Fig. 4, this manufacturing method of light conducting board 300 may further comprise the steps.In step S310, at first, provide first transparent material.Continue it, in step S320, provide a fluorescent material.Afterwards, in step S330, with first transparent material with fluorescent material in being a light guide plate in the processing procedure via giving as security molded, wherein, form fluorescence coating at the light-emitting face of light guide plate, form the leaded light microstructure at the light reflection surface of light guide plate.
In another embodiment, above-mentioned manufacturing method of light conducting board can be mixed in fluorescent material in one second transparent material, and with first transparent material with second transparent material (containing fluorescent material) with being a light guide plate in the processing procedure via giving as security molded.
In addition, with reference to above-mentioned Fig. 1 as can be known, light guide plate 100/100 ' has light entrance face 100a, light reflection surface 100b and light-emitting face 100c, and the first coloured light L1 that is provided by light source 200 transmits in light guide plate 100.And the first coloured light L1 enters light guide plate 100/100 ' from light entrance face 100a and transmits, and fluorescence coating 102 is subjected to exciting of the first coloured light L1 and sends the second coloured light L2, and the first coloured light L1 and the second coloured light L2 mixed light are the 3rd coloured light L3.
Please be jointly further understand the technical spirit place of manufacturing method of light conducting board proposed by the invention with reference to Fig. 1, Fig. 4 and Fig. 5.Light guide plate manufacturing installation 400 as shown in Figure 5 comprises: first raw material tank 410, second raw material tank 420, first heating spiral rod 430, second heating spiral rod 440, add pressing die head 450, moulding rolling wheel 460a～460c, wheel 470a～470b and conveying roller 480 are drawn in holder.Below, introduce the flow process of making light guide plate 100/100 '.
At first, the first transparent material M1 (for example particle of polymethylmethacrylate (PMMA)) is placed in first raw material tank 410, and fluorescent material M2 is placed in second raw material tank 420, wherein, fluorescent material M2 can use separately or further be mixed in one second transparent material (figure does not show).When independent use fluorescent material M2, fluorescent material M2 can give as security and be pressed in first transparent material.When fluorescent material M2 was mixed in second transparent material (figure do not show), second transparent material (figure does not show) that contains fluorescent material M2 can be given as security and be pressed on first transparent material.Below, be that example goes on to say fluorescent material M2 is mixed in second transparent material (figure does not show).
Then, the first transparent material M1 is transported to first heating spiral rod 430 to carry out heat fused, the fluorescent material M2 that is mixed in second transparent material is transported to second heating spiral rod 440 to carry out heat fused.Come again, first transparent material M1 after the fusing and the fluorescent material M2 that is mixed in second transparent material (figure does not show) can output to the external world via adding pressing die head 450, and in adding pressing die head 450, shunt according to thickness, utilize moulding rolling wheel 460a～460c to carry out the moulding of light guide plate 100/100 ' then.More specifically, moulding rolling wheel 460a～460c can carry out the THICKNESS CONTROL of the body and the fluorescence coating 102 of light guide plate 100/100 ', and can go up on the surface of light guide plate 100/100 ' (light reflection surface 100b) and make leaded light microstructure 104.
More specifically, utilize the move left and right (being the left and right directions among Fig. 5) of moulding rolling wheel 460a, can control the extrusion thickness of light guide plate 100/100 ' and fluorescence coating 102.
In addition, the surface working of moulding rolling wheel 460c can be become outer male structure, the section shape of this outer male structure can be arbitrary shapes such as square, rectangle, rhombus, ellipse, triangle, circle, waveform.When light guide plate 100 is subjected to the signature pressure of moulding rolling wheel 460c, promptly can in forming, the surface of light guide plate 100 (light reflection surface 100b) bury structure (corresponding to the outer male structure of moulding rolling wheel 460c), the promptly above-mentioned leaded light microstructure 102 that is embedded in light guide plate 100 in shown in Figure 1.
In addition, also the surface working of moulding rolling wheel 460c can be become concave inward structure, the section shape of this concave inward structure can be arbitrary shapes such as square, rectangle, rhombus, ellipse, triangle, circle, waveform.When light guide plate 100 ' is subjected to the signature pressure of moulding rolling wheel 460c, promptly can be outside the surface of light guide plate 100 ' (light reflection surface 100b) forms male structure (corresponding to the concave inward structure of moulding rolling wheel 460c), the promptly above-mentioned leaded light microstructure 104 that protrudes in light guide plate 100 ' shown in Figure 3.
That is to say, make the surface micro-structure of moulding rolling wheel 460c become convex or concave, can in the light reflection surface 100b of light guide plate 100 forms, be embedded in light guide plate 100 accordingly or protrude in the leaded light microstructure 104 of light guide plate 100 '.Yet, the structure on the surface of moulding rolling wheel 460c is outer male structure or concave inward structure, being to see the design needs and can carry out suitable collocation, being not only the example that is limited in the above-mentioned explanation, also can be that a part is that sunk structure and another part are the combination of outer male structure.
Moreover it is the pulling force that drags guiding tabula rasa 100/100 ' in order to provide that wheel 470a～470b is drawn in holder, and light guide plate 100/100 ' can be transmitted on conveying roller 480.The method for making of above-mentioned light guide plate 100/100 ' can in one processing procedure, make simultaneously light guide plate 100/100 ' leaded light microstructure 104, and can control the thickness of fluorescence coating 102, therefore, have the competitive edge of saving the fabrication steps cost.
Certainly, also can utilize the mode of secondary processing to make light guide plate 100/100 ', that is, in the first road processing procedure, only utilize moulding rolling wheel 460c to be embedded in light guide plate 100 in forming or protrude in the leaded light microstructure 104 of light guide plate 100 '.Then, in the second road processing procedure, the light reflection surface 100b of light guide plate 100/100 ' in every way (for example, modes such as rotary coating, sputter, bonding) form fluorescence coating 102.
In sum, light guide plate 100,100 ' manufacture method can form leaded light microstructure 104 and control the thickness of fluorescence coating 102 in processing procedure, have the advantage of saving manufacturing cost.
[backlight module and liquid crystal indicator]
Fig. 6 is the synoptic diagram of a kind of liquid crystal indicator of the embodiment of the invention.Please refer to Fig. 6, liquid crystal indicator 500 can comprise: backlight module 510 and liquid crystal panel 520.These liquid crystal panel 520 subtends are in backlight module 510.This liquid crystal indicator 500 has adopted above-mentioned light guide plate 100/100 ', and uniform area light source can be provided, and then can show the image of good quality.
In sum, light guide plate of the present invention and manufacturing method of light conducting board have the following advantages at least:
Light guide plate has fluorescence coating and leaded light microstructure simultaneously, not only can utilize the leaded light microstructure to promote the light collection rate efficiently, and can also utilize the fluorescence coating that evenly is arranged on the light guide plate to obtain colour temperature, coloured light that color rendering is good.In addition, manufacturing method of light conducting board can be in forming fluorescence coating and leaded light microstructure simultaneously with processing procedure, and can also control the thickness of light guide plate and fluorescence coating in the lump, thus, can reduce cost of manufacture.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; has common knowledge under any in the technical field; without departing from the spirit and scope of the invention; when doing a little change and retouching,, the present invention's protection domain is as the criterion so working as the protection domain of looking appended claim.
Claims (15)
1. a light guide plate has a light entrance face, a light reflection surface and a light-emitting face; One first coloured light that is provided by a light source transmits in this light guide plate, it is characterized in that: this light guide plate comprises: a fluorescence coating; Described fluorescence coating is arranged at this light-emitting face; And a plurality of leaded light microstructures; Described a plurality of leaded light microstructure is arranged at this light reflection surface; This first coloured light enters this light guide plate from this light entrance face and transmits, and this fluorescence coating is subjected to this first exciting of coloured light and sends one second coloured light, and this first coloured light and this second coloured light mixed light are one the 3rd coloured light.
2. light guide plate according to claim 1 is characterized in that: be embedded in this light guide plate in those leaded light microstructures.
3. light guide plate according to claim 1 is characterized in that: those leaded light microstructures protrude in this light guide plate.
4. light guide plate according to claim 1 is characterized in that: the section shape of those leaded light microstructures is to be selected from square, rectangle, rhombus, circle, ellipse, triangle, waveform and combination thereof.
5. light guide plate according to claim 1 is characterized in that: the distribution density of those leaded light microstructures is along with increasing away from this light source.
6. light guide plate according to claim 1 is characterized in that: this first coloured light is blue light, and this second coloured light is gold-tinted, and the 3rd coloured light is white light.
7. light guide plate according to claim 1 is characterized in that: this first coloured light is blue light, and this second coloured light is red green mixed light, and the 3rd coloured light is white light.
8. manufacturing method of light conducting board: this light guide plate has a light entrance face, a light reflection surface and a light-emitting face, and one first coloured light that is provided by a light source transmits in this light guide plate, and this manufacturing method of light conducting board realizes by following steps:
One first transparent material is provided;
One fluorescent material is provided;
With this first transparent material with this fluorescent material in being a light guide plate in the processing procedure via giving as security molded, wherein, form a fluorescence coating at this light-emitting face of this light guide plate, form a leaded light microstructure at this light reflection surface of this light guide plate;
This first coloured light enters this light guide plate from this light entrance face and transmits, and this fluorescence coating is subjected to this first exciting of coloured light and sends one second coloured light, and this first coloured light and this second coloured light mixed light are one the 3rd coloured light.
9. manufacturing method of light conducting board according to claim 8 wherein, is embedded in this light guide plate in this leaded light microstructure.
10. manufacturing method of light conducting board according to claim 8, wherein, this leaded light microstructure protrudes in this light guide plate.
11. manufacturing method of light conducting board according to claim 8, wherein, the section shape of those leaded light microstructures is to be selected from square, rectangle, rhombus, circle, ellipse, triangle, waveform and combination thereof.
12. manufacturing method of light conducting board according to claim 8, wherein, the distribution density of those leaded light microstructures is along with increasing away from this light source.
13. manufacturing method of light conducting board according to claim 8, wherein, this first coloured light is blue light, and this second coloured light is gold-tinted, and the 3rd coloured light is white light.
14. manufacturing method of light conducting board according to claim 8, wherein, this first coloured light is blue light, and this second coloured light is red green mixed light, and the 3rd coloured light is white light.
15. manufacturing method of light conducting board according to claim 8 also comprises: second transparent material that comprises fluorescent material is provided, and with this first transparent material with this second transparent material with being this light guide plate via giving as security molded in the processing procedure.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537745A (en) * | 2012-02-16 | 2012-07-04 | 苏州向隆塑胶有限公司 | Illuminating device |
| CN102901046A (en) * | 2011-07-27 | 2013-01-30 | 欧司朗股份有限公司 | Luminescent device used for pump light conversion |
| CN103883930A (en) * | 2012-12-21 | 2014-06-25 | 群康科技(深圳)有限公司 | Backlight module and display device |
| CN104536203A (en) * | 2015-01-26 | 2015-04-22 | 上海向隆电子科技有限公司 | Transparent display, front light guiding plate and layout method of microstructural pattern of front light guiding plate |
| CN104570195A (en) * | 2014-12-31 | 2015-04-29 | 深圳市华星光电技术有限公司 | Light guide plate, liquid crystal displayer backlight module and light guide plate manufacturing device |
| CN113534451A (en) * | 2020-04-15 | 2021-10-22 | 苏州佳世达电通有限公司 | Imaging module and imaging method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1624496A (en) * | 2003-12-05 | 2005-06-08 | 杨国栋 | Manufacturing method of optical diffusion plate and optical diffusion plate made by said method |
| CN2828862Y (en) * | 2005-05-31 | 2006-10-18 | 优佰利股份有限公司 | Device for combining side-light type light source module set and liquid crystal panel |
| CN101463966A (en) * | 2007-12-19 | 2009-06-24 | 富准精密工业(深圳)有限公司 | White light illumination device and desk lamp using the same |
| CN101514801A (en) * | 2008-02-22 | 2009-08-26 | 富士迈半导体精密工业（上海）有限公司 | Lighting device |
| CN201487824U (en) * | 2009-08-07 | 2010-05-26 | 上海向隆电子科技有限公司 | Equipment for molding broken holes on optical plate applied to backlight module |
| CN101750668A (en) * | 2008-12-01 | 2010-06-23 | 深圳富泰宏精密工业有限公司 | Light guide plate and backlight module using same |
| CN201820004U (en) * | 2010-10-21 | 2011-05-04 | 上海向隆电子科技有限公司 | Light guide plate |
-
2010
- 2010-10-21 CN CN 201010514578 patent/CN102043186A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1624496A (en) * | 2003-12-05 | 2005-06-08 | 杨国栋 | Manufacturing method of optical diffusion plate and optical diffusion plate made by said method |
| CN2828862Y (en) * | 2005-05-31 | 2006-10-18 | 优佰利股份有限公司 | Device for combining side-light type light source module set and liquid crystal panel |
| CN101463966A (en) * | 2007-12-19 | 2009-06-24 | 富准精密工业(深圳)有限公司 | White light illumination device and desk lamp using the same |
| CN101514801A (en) * | 2008-02-22 | 2009-08-26 | 富士迈半导体精密工业（上海）有限公司 | Lighting device |
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| CN103883930A (en) * | 2012-12-21 | 2014-06-25 | 群康科技(深圳)有限公司 | Backlight module and display device |
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