CN100444000C - Backlight module and light source structure thereof - Google Patents
Backlight module and light source structure thereof Download PDFInfo
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- CN100444000C CN100444000C CNB2007101361613A CN200710136161A CN100444000C CN 100444000 C CN100444000 C CN 100444000C CN B2007101361613 A CNB2007101361613 A CN B2007101361613A CN 200710136161 A CN200710136161 A CN 200710136161A CN 100444000 C CN100444000 C CN 100444000C
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Abstract
The invention discloses an aphototropism mode and its light source structure, which comprises the following parts: optical board piece, luminous element and lens, wherein the luminous element is set on the surface of optical board piece, which has a light ejection direction; the light ejection direction and the surface of optical board piece display a separation angle at thita; the luminous element also contains luminous body and packing material to cover the luminous body; the lens is set on the surface to connect the optical board piece and luminous element, which has a slope with one end connecting the luminous element and the other end connecting the optical board piece; the luminous body adjoins the optical board piece and lens. The invention overcomes the defect of present technique, which using luminous diode to lighten the conductive structure and thin the aphototropism mode and its light source structure.
Description
Technical field
The present invention is relevant for a kind of backlight module and light-source structure thereof, and particularly makes the backlight module and the light-source structure thereof of light conducting plate structure lightweight and slimming about a kind of application light emitting diode (LED, Light Emitting Diode).
Background technology
Because light guide plate is all occupied very big ratio on the thickness of whole backlight module, weight, in the face of panel market slimming now, light-weighted demand, the slimming of the light guide plate trend that has been inevitable.Yet with present technology, be used as the backlight module of light emitting source with light emitting diode and still can't catch up with the speed of light guide plate slimming, that is the thinnest 0.3mm that reaches of thickness of present light guide plate, be 0.4mm and develop the thinnest light-emitting diodes tube thickness.Particularly, when the slimming light guide plate is taked side light inlet mode, the height in lumination of light emitting diode district will cause part light can't enter in the light guide plate greater than the thickness of light guide plate, and the luminous energy service efficiency is reduced.In addition, if light guide plate adopts roll extrusion or extrusion process to make, and cut each suitably during light guide plate of size, the tool marks that the light guide plate side forms, and/or dislocation that causes between assembling light emitting diode and the light guide plate or gap etc. all can reduce the efficient of light inlet.
Because above-mentioned situation, there is a kind of light-source structure of slimming light guide plate in known technology, as shown in Figure 1.Known light-source structure 10 comprises light guide plate 12, light emitting diode 14 and wedge structure 16.Wedge structure 16 is formed between light guide plate 12 surfaces and the light emitting diode 14.In other words, the light inlet side of light emitting diode 14 can be designed to wedge shape, and the thickness of light guide plate 12 and the thickness of light emitting diode 14 are fitted to each other, with the problem of avoiding the luminous energy service efficiency to reduce.
Yet said structure can meet with a very big difficulty in the making of thin light guide panel.With ejection formation, the thickness limits of emission technology is at 0.3mm at present, and thickness then can't moulding less than the size of 0.3mm.In addition, if when adopting the mode of roll extrusion or extrusion, obviously can't reach on one side is the flat board that quite approaches and opposite side is the finished product of wedge structure.
Summary of the invention
The technical problem to be solved in the present invention is: backlight group and light-source structure thereof that a kind of effective reduction light guide plate and weight saving are provided.
Another object of the present invention is to provide a kind of backlight group and light-source structure thereof that the luminous energy service efficiency is increased.
Another object of the present invention is to provide a kind of backlight module and light-source structure thereof, have the convenience that improves assembling, and the characteristics that are easy to apply.
Another object of the present invention is to provide a kind of backlight module and light-source structure thereof that allows light in light guide plate, form total reflection.
Another object of the present invention is to provide a kind of backlight module and light-source structure thereof, for being used with light emitting diode.
Light-source structure of the present invention comprises optics plate, light-emitting component and phacoid.Light-emitting component is arranged on the surface of optics plate.Light-emitting component has a light and penetrates direction, and light penetrates clip surface one angle theta of direction and optics plate.Phacoid is arranged at surperficial going up and the connection light-emitting component.Phacoid more comprises the inclined-plane, and one end system in inclined-plane connects light-emitting component, and the other end is connected with the optics plate.
In preferred embodiment, the refractive index n 2 of phacoid is preferably between the refractive index n 3 of the refractive index n 1 of optics plate and light-emitting component, and the refractive index n 1 of optics plate is preferably the refractive index n 3 more than or equal to light-emitting component.Light-emitting component also comprises luminophor and encapsulation, and encapsulation coats luminophor.Luminophor and optics plate and phacoid are adjacent.The preferable reflecting plate that more comprises of light-source structure.The preferable bottom surface of being located at the optics plate of reflecting plate.Have more low-index layer between optics plate and reflecting plate.Low-index layer is preferably air, and its refractive index is n4=1.The optics plate is preferably light guide plate, is ear law (Snall ' slaw) according to department, the preferable sin that is less than or equal to of angle theta
-1(n4/n1), make light penetrate direction and in the optics plate, carry out total reflection.
In addition, light-source structure more comprises framework, circuit module and at least one microstructure.Framework is arranged on the end of reflecting plate, and engages with reflecting plate by adhesion layer.Circuit module then couples light-emitting component.Because the Different Light structure Design, circuit module can be arranged on upper surface, side or the lower surface of light-emitting component.Especially bad, circuit module more can be arranged between the surface of light-emitting component and optics plate.Circuit module described herein is preferably copper film.Microstructure is located on the reflecting plate inside surface, and penetrates direction for the above-mentioned light of reflection.Preferable bottom surface or the bright dipping end face that is meant optical sheet spare in surface.
Another preferred embodiment of the present invention more provides a kind of backlight module, comprises optics plate, light-emitting component and phacoid.Light-emitting component is arranged on the surface of optics plate, and light-emitting component has a light and penetrates direction.Light penetrates clip surface one angle theta of direction and optics plate.Light-emitting component more comprises luminophor and encapsulating material, and encapsulating material coats luminophor.Phacoid is arranged at surperficial going up and connection optics plate and light-emitting component.Phacoid more comprises the inclined-plane.Inclined-plane one end connects light-emitting component, and the other end is connected with this optics plate.Luminophor is more adjacent with optics plate and phacoid.
Pass through said structure, the present invention is a kind of application light emitting diode (LED, Light Emitting Diode) makes the backlight module and the light-source structure thereof of light conducting plate structure lightweight and slimming, it can be imitated and reduce light guide plate and weight reduction, and can increase the service efficiency of luminous energy, also can improve the convenience of assembling, and have the advantages that to be easy to apply; In addition, can allow light in light guide plate, form total reflection, be convenient to be used with light emitting diode.
Description of drawings
Fig. 1 is the light-source structure synoptic diagram of known slimming light guide plate;
Fig. 2 is the vertical view of backlight module of the present invention and light-source structure thereof;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 injects direction is carried out total reflection in the optics plate synoptic diagram for light of the present invention;
Fig. 5 sets up the synoptic diagram of microstructure with the service efficiency of increase light for the present invention;
Fig. 6 carries out the comparison diagram of optical analogy experimental result to phacoid for the present invention;
Fig. 7 a implements illustration for the present invention is provided with first of circuit module;
Fig. 7 b implements illustration for the present invention is provided with second of circuit module;
Fig. 7 c implements illustration for the present invention is provided with the 3rd of circuit module;
Fig. 7 d implements illustration for the present invention is provided with the 4th of circuit module;
Fig. 8 is another preferred embodiment figure of backlight module of the present invention and light-source structure thereof;
Fig. 9 is backlight module of the present invention and light-source structure thereof the synoptic diagram in conjunction with framework; And
Figure 10 is that backlight module of the present invention and light-source structure thereof are implemented illustration in conjunction with one of framework.
[main element symbol description]
100 light-source structures, 102 optics plates
104 surperficial 106 reflecting plates
107 bright dipping end faces, 108 bottom surfaces
110 light-emitting components, 112 luminophors
114 encapsulation, 116 light are injected direction
120 phacoiies, 122 inclined-planes
130 circuit modules, 132 upper surfaces
134 sides, 136 lower surfaces
140 low-index layers, 142 adhesion layers
150 frameworks, 200 other optics plates
Embodiment
The present invention is slimming of a kind of optics plate and the backlight module and the light-source structure thereof that can improve the luminous energy utilization rate.In preferred embodiment, the light-emitting component of light-source structure is a light emitting diode.Particularly, the surface tilt one angle light inlet mode that is preferably with the optics plate of light emitting diode is provided with.In other words, light emitting diode be preferably respectively with optics plate and phacoid in abutting connection with setting.The phacoid of setting up in addition, (lens) is preferably in the mode of coating and is located between optics plate and light-emitting component.Yet in other different embodiment, phacoid can also computer Numerical Control (CNC) or other mode manufacturings form.Below be conjunction with figs., further specify each specific embodiment of the present invention and step thereof:
As shown in Figures 2 and 3, the light-source structure in present embodiment 100 comprises optics plate 102, light-emitting component 110 and phacoid 120.Light-emitting component 110 is located on the surface 104 of optics plate 102.In embodiment as shown in Figure 2, be preferably with a plurality of light-emitting components 110 and be divided on the side of optics plate 102.Yet in other different embodiment, can also provide luminous by single light-emitting component 110.Optics plate 102 is preferably light guide plate (LGP) or other printing opacity sheet material.Phacoid 120 is located on the surface 104, and connects light-emitting component 110.In embodiment as shown in Figure 3, light-emitting component 110 is preferably with luminophor 112 luminous, and with the surface 104 of the optics plate 102 angle light inlet that tilts.Light-emitting component 110 also comprises encapsulation 114, for coating/encapsulating light emitting body 112.Thus, light-emitting component 110 has a light and penetrates direction 116, makes surface 104 folders, the one angle theta light inlet with optics plate 102.In addition, preferable on the surface 104 of optics plate 102 some other optics plates 200 are set also, such as: elements such as diffusion sheet or rhombus lens.
Phacoid 120 is preferable to have inclined-plane 122.Inclined-plane 122 described herein is preferably when injection/coating phacoid 120, utilizes surface tension to form.The preferable connection light-emitting component 110 of one end on inclined-plane 122, the other end then connects optics plate 102.Yet in other different embodiment, phacoid 120 can also the computer Numerical Control or other modes be made.But if when making with the computer Numerical Control, 120 palpuses of optics plate 102 and phacoid are established the adhesion material/layer of high light transmittance, with the increase pull-out capacity.In embodiment as shown in Figure 3, for avoiding the loss of optical efficiency, phacoid 120 structures on tool inclined-plane 122 are set, be mainly used in the light of reflection light 112, and make light from optics plate 102 inclinations one angle light inlet.In addition, inject the convenience that phacoid 120 structures more can improve the product assembling, avoid because of assembly error or slightly tolerance produce dislocation or slit, and and 102 losses that cause optical efficiency of optics plate.Particularly, also can be or with on the adjacent both side surface of light-emitting component 110 and optics plate 102 reflecting material is not set on the inclined-plane 122 of phacoid 120, to increase the light service efficiency.In other words, when light from optics plate 102 reflex times, can avoid penetrating from above-mentioned position.
It should be noted that at this material of encapsulation 114 can be the encapsulating material of resin or other light transmissions.The material of phacoid 120 is preferable also to be resin or other high light transmittance materials, and it reaches curing by the thermmohardening in the process, thermoplastification, photo-hardening or room temperature vulcanizing.
As shown in Figure 4, the light-source structure 100 preferable reflecting plates 106 that also comprise, it is located on the bottom surface 108 of optics plate 102.106 of optics plate 102 and reflecting plates have more low-index layer 140.In embodiment as shown in Figure 4, low-index layer 140 is preferably air or vacuum, and its refractive index is assumed to be n4=1.Yet in other different embodiment, low-index layer 140 also can be adhesion material.In addition, produce the reflected energy loss in order to reduce light penetration two different media, or guiding light to enter in the process of optics plate 102, make the reflected energy loss reach minimum, and do not cause light in the 102 front end bright dippings of optics plate, the refractive index of supposing optics plate 102 is n1, the refractive index of phacoid 120 is n2, and the refractive index of light-emitting component 110 then is n3, then the refractive index n 2 of phacoid 120 is preferably between the refractive index n 3 of the refractive index n 1 of optics plate 102 and light-emitting component 110, and the refractive index n 1 of optics plate 102 is preferably the refractive index n 3 more than or equal to light-emitting component 110.In other words, the refractive index of optics plate 102, phacoid 120 and light-emitting component 110 must be quite approaching, i.e. n3≤n2≤n1.
Penetrate the angle on direction 116 and the surface 104 of optics plate 102 because angle theta is a light, and δ is with θ's be 90 to spend.In other words, θ+δ=90 degree is injected direction 116 and form total reflection in optics plate 102 if wish light, is ear law (Snall ' s law) according to department, must make δ 〉=sin
-1(n4/n1) (full reflection at critical angle) learnt that angle theta is preferably and is less than or equal to sin
-1(n4/n1) (be θ≤sin
-1(n4/n1)).In embodiment as shown in Figure 4, suppose that the refractive index n 1 of optics plate 102 is 1.48, when low-index layer 140 is air (n4=1), confirm that when θ＜48 degree, when δ＞42 were spent, light can carry out total reflection in optics plate 102 through experimental result.Yet when θ＞48 degree, when δ＜42 were spent, light will promptly can bright dipping (shown in the dotted line of Fig. 4) at optics plate 102 front ends.When light can't see through total reflection and conduct to optics plate 102 other ends (being back segment), all can be influential for light-source structure or brightness of backlight module and all neat degree.
Though luminophor 112 is preferably the surface 104 folder one angle light inlet with optics plate 102, inevitably has part light and inject angle and do not meet expection.In other words, when light incident direction 116 angles are too big, even go into the light time perpendicular to optics plate 102, light can't be directed to optics plate 102 rears.Thus, as shown in Figure 5, light-source structure 100 preferable several microstructures 170 that also comprise, it is located at respectively on the inside surface of reflecting plate 106, be used for aforesaid ray guidance or reflex to optics plate 102 rears, i.e. the other end of light-source structure 100 is to improve the service efficiency of luminous energy.In embodiment as shown in Figure 5, microstructure 170 is preferably the triangle microstructure that single dispersion is provided with.Yet in other different embodiment, also can be the triangle microstructure of continuous setting, or be the microstructure of polygon, circle or other shapes.
As shown in Figure 6, phacoid 120 is set, or to the influence of optical efficiency why the proportional difference of the wide a of phacoid 120 and long b is simulated as can be known through Experiments of Optics about having or not.Conspicuous, setting or coating phacoid 120 being arranged and reach the efficient that guides light to enter optics plate 102 is good than there not being the effect that phacoid 120 is set all.Particularly, the breadth length ratio of phacoid 120 (a:, can get the highest light service efficiency b) at 1: 2 o'clock.In other words, when setting or coating phacoid 120, the light guiding can be entered optics plate 102 really.
Shown in Fig. 7 a～7d, light-source structure 100 also comprises circuit module 130.Circuit module 130 described herein refers to flexible circuit board (FPC), printed circuit board (PCB) or its unitized construction especially.Circuit module 130 is coupled to light-emitting component 110.Because the design of different backlight modules and light-source structure 100 thereof, circuit module 130 can be arranged at the upper surface 132 of light-emitting component 110, shown in Fig. 7 a.Yet in the embodiment shown in Fig. 7 b, circuit module 130 also can be located on the side 134 or lower surface 136 of light-emitting component 110 (as shown in the embodiment of Fig. 7 c).Especially bad, circuit module 130 can also copper films (Cu Foil) or copper conductor replace, and with light-emitting component 110 welding or otherwise the location thereon, shown in Fig. 7 d.In the embodiment shown in Fig. 7 d, copper film or copper conductor are preferably 104 on surface being located at light-emitting component 110 and optics plate 102.In addition, in luminophor 112 and 102 more material or adhesion layer 142 coatings or settings of optics plate, enter optics plate 102 in order to avoid hinder the light of luminophor 112 to be similar to phacoid 120.
In aforementioned described embodiment, light-emitting component 110 is arranged at the surface 104 of optics plate 102.The aforementioned surface of saying 104 is meant the bright dipping end face 107 of optics plate 102.Yet among the embodiment as shown in Figure 8, light-emitting component 110 set surfaces 104 are meant the bottom surface 108 of optics plate 102.In addition, in the present embodiment, preferable reflecting plate 106 or other reflection materials of also being provided with enters in the optics plate 102 for directing light on the bright dipping end face 107 of optics plate 102.All the other structures are ditto described, do not repeat them here.
As shown in Figure 9, light-source structure 100 also comprises framework 150.Framework 150 is arranged on the end of reflecting plate 106, and engages the location by adhesion layer 142 with reflecting plate 106.Yet among the embodiment as shown in figure 10, framework 150 also can be located or be arranged on the optics plate 102.If framework 150 is fixed on the optics plate 102,106 of optics plate 102 and reflecting plates are preferably adhesion layer 142 are set.Be necessary for the low-refraction material at this adhesion layer of saying 142, for example: silica gel, resin or other colloids etc.So in optics plate 102, carry out total reflection, reduce the energy loss that light penetration adhesion layer 142 is caused via reflecting plate 106 reflections again in order to light.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.Modification of making according to spirit of the present invention and principle and equalization are provided with and all are contained in the appended claim.
Claims (46)
1. a light-source structure is characterized in that, comprises:
One optics plate;
One light-emitting component is arranged on the surface of this optics plate, and this light-emitting component has a light and penetrates direction, and this light penetrates this clip surface one angle theta of direction and this optics plate; And
One phacoid is arranged on this surface and connects this light-emitting component, and this phacoid includes an inclined-plane, and an end on this inclined-plane connects this light-emitting component, and the other end is connected with this optics plate.
2. light-source structure as claimed in claim 1 is characterized in that, the relation between the refractive index n 1 of refractive index n 2 these optics plates of this phacoid and the refractive index n 3 of this light-emitting component satisfies: n1 〉=n2 〉=n3.
3. light-source structure as claimed in claim 1 is characterized in that, this light-emitting component also comprises a luminophor and an encapsulation, and this encapsulation coats this luminophor.
4. light-source structure as claimed in claim 3 is characterized in that, this luminophor and this optics plate and this phacoid are adjacent.
5. light-source structure as claimed in claim 3 is characterized in that this luminophor comprises a light emitting diode.
6. light-source structure as claimed in claim 2 is characterized in that, also comprises a reflecting plate, is located at a bottom surface of this optics plate.
7. light-source structure as claimed in claim 6 is characterized in that, also comprises a low-index layer, and between this optics plate and this reflecting plate, this low-index layer has refractive index n 4, and this angle theta≤sin
-1(n4/n1).
8. light-source structure as claimed in claim 6 is characterized in that, the refractive index n 1 of this optics plate is 1.48.
9. light-source structure as claimed in claim 6 is characterized in that, also comprises a framework, and this framework one side is arranged on this reflecting plate, and wherein this framework utilizes an adhesion layer to engage with this reflecting plate.
10. light-source structure as claimed in claim 7 is characterized in that this low-index layer also comprises an air dielectric.
11. light-source structure as claimed in claim 6 is characterized in that, also comprises at least one microstructure, this microstructure is located on this reflecting plate.
12. light-source structure as claimed in claim 11 is characterized in that, this microstructure comprises the triangle microstructure.
13. light-source structure as claimed in claim 1 is characterized in that, this angle theta is less than 48 degree.
14. light-source structure as claimed in claim 1 is characterized in that, this surface is positioned at a bottom surface of this optics plate.
15. light-source structure as claimed in claim 1 is characterized in that, this surface is positioned at a bright dipping end face of this optics plate.
16. light-source structure as claimed in claim 1 is characterized in that, also comprises a circuit module, this circuit module couples this light-emitting component.
17. light-source structure as claimed in claim 16 is characterized in that, this circuit module is arranged on the upper surface of this light-emitting component, and is oppositely arranged with this optics plate.
18. light-source structure as claimed in claim 16 is characterized in that, this circuit module is arranged on the side of this light-emitting component, and is oppositely arranged with this phacoid.
19. light-source structure as claimed in claim 16 is characterized in that, this circuit module is arranged on a lower surface of this light-emitting component, and with the adjacent setting of this optics plate.
20. light-source structure as claimed in claim 16 is characterized in that, this circuit module is arranged between this surface of this light-emitting component and this optics plate.
21. light-source structure as claimed in claim 16 is characterized in that, this circuit module comprises copper film.
22. light-source structure as claimed in claim 1 is characterized in that, this optics plate also comprises a light guide plate.
23. light-source structure as claimed in claim 1 is characterized in that, this optics plate comprises a printing opacity sheet material.
24. light-source structure as claimed in claim 1 is characterized in that, this phacoid material comprises resin.
25. a backlight module is characterized in that, comprises:
One optics plate;
One light-emitting component, be arranged on the surface of this optics plate, this light-emitting component has a light and penetrates direction, and this light penetrates this clip surface one angle theta of direction and this optics plate, wherein this light-emitting component also comprises a luminophor and an encapsulating material, and this encapsulating material coats this luminophor; And
One phacoid, be arranged on this surface and connect this optics plate and this light-emitting component, this phacoid comprises an inclined-plane, and this inclined-plane one end connects this light-emitting component, and the other end is connected with this optics plate, and wherein this luminophor and this optics plate and this phacoid are adjacent.
26. backlight module as claimed in claim 25 is characterized in that, the relation between the refractive index n 3 of the refractive index n 2 of this phacoid, the refractive index n 1 of this optics plate and this light-emitting component satisfies: n1 〉=n2 〉=n3.
27. backlight module as claimed in claim 25 is characterized in that, this luminophor comprises a light emitting diode.
28. backlight module as claimed in claim 26 is characterized in that, also comprises a reflecting plate, wherein this reflecting plate is arranged at a bottom surface of this optics plate.
29. backlight module as claimed in claim 28 is characterized in that, also has a low-index layer between this optics plate and this reflecting plate, this low-index layer has refractive index n 4, and this angle theta≤sin
-1(n4/n1).
30. backlight module as claimed in claim 28 is characterized in that, also comprises a framework, this framework is arranged on the end of this reflecting plate, and engages with this reflecting plate by an adhesion layer.
31. backlight module as claimed in claim 28 is characterized in that, this angle theta is less than 48 degree.
32. backlight module as claimed in claim 29 is characterized in that, this low-index layer comprises an air dielectric.
33. backlight module as claimed in claim 25 is characterized in that, the refractive index n 1 of this optics plate is 1.48.
34. backlight module as claimed in claim 28 is characterized in that, also comprises at least one microstructure, this microstructure is located on this reflecting plate.
35. backlight module as claimed in claim 34 is characterized in that, this microstructure comprises the triangle microstructure.
36. backlight module as claimed in claim 25 is characterized in that, this surface is positioned at a bottom surface of this optics plate.
37. backlight module as claimed in claim 25 is characterized in that, this surface is positioned at a bright dipping end face of this optics plate.
38. backlight module as claimed in claim 25 is characterized in that, also comprises a circuit module, this circuit module couples this light-emitting component.
39. backlight module as claimed in claim 38 is characterized in that, this circuit module is arranged on the upper surface of this light-emitting component, and is oppositely arranged with this optics plate.
40. backlight module as claimed in claim 38 is characterized in that, this circuit module is arranged on the side of this light-emitting component, and is oppositely arranged with this phacoid.
41. backlight module as claimed in claim 38 is characterized in that, this circuit module is arranged on a lower surface of this light-emitting component, and with the adjacent setting of this optics plate.
42. backlight module as claimed in claim 38 is characterized in that, this circuit module is arranged between this surface of this light-emitting component and this optics plate.
43. backlight module as claimed in claim 38 is characterized in that, this circuit module comprises copper film.
44. backlight module as claimed in claim 25 is characterized in that, this optics plate comprises a light guide plate.
45. backlight module as claimed in claim 25 is characterized in that, this optics plate comprises a printing opacity sheet material.
46. backlight module as claimed in claim 25 is characterized in that, this phacoid material comprises resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101361613A CN100444000C (en) | 2007-07-19 | 2007-07-19 | Backlight module and light source structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101361613A CN100444000C (en) | 2007-07-19 | 2007-07-19 | Backlight module and light source structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101082739A CN101082739A (en) | 2007-12-05 |
| CN100444000C true CN100444000C (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101361613A Active CN100444000C (en) | 2007-07-19 | 2007-07-19 | Backlight module and light source structure thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707399B (en) | 2015-08-14 | 2019-09-06 | 瑞仪光电(苏州)有限公司 | Light guiding film, backlight module |
| CN108983491A (en) * | 2018-07-20 | 2018-12-11 | 深圳市华星光电技术有限公司 | Liquid crystal display device and its quantum-dot structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504803A (en) * | 2002-11-29 | 2004-06-16 | 鸿富锦精密工业（深圳）有限公司 | Backlight source and liquid crystal display device |
| US20050285133A1 (en) * | 2004-06-18 | 2005-12-29 | Chi Mei Optoelectronics Corp. | Light emitting diode package |
| CN1885128A (en) * | 2005-06-24 | 2006-12-27 | Lg.菲利浦Lcd株式会社 | Backlight assembly including light emitting diode and display device including the same |
| US20070070530A1 (en) * | 2005-09-27 | 2007-03-29 | Seo Jung H | Light emitting device package and backlight unit using the same |
-
2007
- 2007-07-19 CN CNB2007101361613A patent/CN100444000C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504803A (en) * | 2002-11-29 | 2004-06-16 | 鸿富锦精密工业（深圳）有限公司 | Backlight source and liquid crystal display device |
| US20050285133A1 (en) * | 2004-06-18 | 2005-12-29 | Chi Mei Optoelectronics Corp. | Light emitting diode package |
| CN1885128A (en) * | 2005-06-24 | 2006-12-27 | Lg.菲利浦Lcd株式会社 | Backlight assembly including light emitting diode and display device including the same |
| US20070070530A1 (en) * | 2005-09-27 | 2007-03-29 | Seo Jung H | Light emitting device package and backlight unit using the same |
| JP2007096318A (en) * | 2005-09-27 | 2007-04-12 | Lg Electronics Inc | Light emitting element package and backlight unit using the same |
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| Publication number | Publication date |
|---|---|
| CN101082739A (en) | 2007-12-05 |
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