CN100510894C - Display panel and light source device used thereof - Google Patents
Display panel and light source device used thereof Download PDFInfo
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- CN100510894C CN100510894C CNB2007100900908A CN200710090090A CN100510894C CN 100510894 C CN100510894 C CN 100510894C CN B2007100900908 A CNB2007100900908 A CN B2007100900908A CN 200710090090 A CN200710090090 A CN 200710090090A CN 100510894 C CN100510894 C CN 100510894C
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Abstract
The invention discloses a display panel and a light source device using it. And it comprises light guide film circuit substrate, light source and light polarizing layer, where the substrate has light incoming end and light outgoing top surface, and the light source is arranged corresponding to the light incoming end; the light polarizing layer is arranged on the substrate and distributed in parallel with the light outgoing top surface; the light emitted from the light source enters from the light incoming end into the substrate and after guided and transferred by the substrate, leaves the substrate from the light outgoing top surface and enters the light polarizing layer and forms polarized light with plane light source effect as the backlight source for the system, after passing through the light polarizing layer. And a polarizing piece can be added between the light source and the light incoming end to make the light become polarized light before entering the substrate.
Description
Technical field
The present invention relates to the light source module of a kind of display panel and use thereof, particularly relate to the light supply apparatus of a kind of display panels and use thereof.
Background technology
The display apparatus of various display panel and use display panel becomes the main flow of all kinds of display device gradually.The display screens of flat-plate type monitor, mobile phone and the digital camera of flat-surface television, personal computer and the laptop computer of for example various panel display screen, family expenses etc. are the product of a large amount of use display panels.In various display panel, mainly be divided at present and comprise organic LED panel at interior self-luminosity display panel, and the non-self-luminosity display panel that needs to use external light source, for example display panels.
Because the various electronic installation volume that uses display panel is all in continuous reduction, so the volume of display panel itself and also minimizing thereupon of thickness.Figure 1 shows that the synoptic diagram of traditional display panels.As shown in Figure 1, display panel comprises light guide plate 10, reflector plate 15, blooming piece 20, light source 30, infrabasal plate 40 and upper substrate 50.Light source 30 is arranged at an end of light guide plate 10,15 belows that are arranged at light guide plate 10 of reflector plate.The light that light source 30 produces enters light guide plate 10 by the end of light guide plate 10, and is distributed on the light guide plate 10 by the reflex of light guide plate 10 and reflector plate 15.Blooming piece 20 is arranged at light guide plate 10 tops, includes diffusion sheet, brightening piece, polaroid and other all kinds of blooming pieces 20.After the light of light source 30 generations leaves light guide plate 10, promptly pass blooming piece 20 to carry out further optical processing.Infrabasal plate 40 and upper substrate 50 are arranged at blooming piece 20 tops, are provided with liquid crystal layer therebetween.Also be furnished with thin film circuit on the infrabasal plate 40, with the behavior of control liquid crystal molecule.Pass the light of blooming piece 20 and inject in the infrabasal plate 40, and passing liquid crystal layer after upper substrate 50 produces image.
In this traditional display panel,, need carry out the processing of multiprogramming through light guide plate 10 and blooming piece 20 etc. because the light that light source 30 is produced evenly distributes and possesses characteristic such as polarization.Yet light guide plate 10 and blooming piece 20 account for the certain proportion of display panel integral thickness, therefore how to integrate and reduce the key factor that reduces as the display panel integral thickness of using of light guide plate 10 and blooming piece 20.
Summary of the invention
The object of the present invention is to provide a kind of display panel, have thin integral thickness.
Another object of the present invention is to provide a kind of display panel, have less assembled components.
Another object of the present invention is to provide a kind of display panel, can save assembling man-hour and cost.
Another object of the present invention is to provide a kind of light supply apparatus, can reduce the integral thickness of display panel assembling.
Another object of the present invention is to provide a kind of light supply apparatus, a polarization light can be provided on demand.
To achieve these goals, the invention provides a kind of display panel, comprise light-leading film circuit substrate, reflecting plate, light source and polarizing layer.The light-leading film circuit substrate has light inputting end and bright dipping end face, and wherein light inputting end is positioned at the end of bright dipping end face.Light source is provided with the light inputting end corresponding to the light-leading film circuit substrate.The light that light source sends is entered in the light-leading film circuit substrate by light inputting end, after the guiding of light-leading film circuit substrate is transmitted, leaves the light-leading film circuit substrate by the bright dipping end face again.Reflecting plate then is arranged at light-leading film circuit substrate below, for the light of reflection from the leakage of light-leading film circuit substrate bottom surface, to improve the utilization ratio of light.
Polarizing layer is arranged at the light-leading film circuit substrate, and its distribution is parallel to the bright dipping end face of light-leading film circuit substrate.The visual demand of the relative position relation of polarizing layer and light-leading film circuit substrate and change.For example, polarizing layer can be covered in bright dipping end face on the light-leading film circuit substrate, and exists with the form of light polarizing film; Also can be arranged at the inside of light-leading film circuit substrate, or with the whole polarizing layer that forms of light-leading film circuit substrate.Light by behind the polarizing layer, promptly forms the polarization light of tool planar light source effect after the bright dipping end face ejaculation of light-leading film circuit substrate, be made for the back light of system.
Display panel also can comprise several light redirection structures.The light redirection structure is contained in the light-leading film circuit substrate, and distributes along the direction of parallel bright dipping end face.In the bright dipping end face, the light redirection structure then makes the light of light-leading film circuit substrate inside produce deviation to the light-leading film circuit substrate, and then the inner reflection of influence by the distribution of light of internal reflection guiding light source, and it is more even to use the emergent light of spire face.
In another embodiment, display panel comprises light guide base plate, circuit, several couplings and light source.Light guide base plate has light inputting end and end face, and light inputting end is positioned at the end of end face.Circuit is formed at the end face of light guide base plate.Several couplings are positioned on the light inputting end end face of light guide base plate.Couplings extends on the end face of light guide base plate, to be connected with circuit.Light source comprises paired pin and luminescence component.Pin is respectively coupled to couplings in pairs, and luminescence component is arranged between the paired pin, and couples with paired pin.Luminescence component has the light-emitting area of face towards the light guide base plate light inputting end.The light that luminescence component produces is injected light inputting end through light-emitting area, again through the guiding of light guide base plate with the end face of distribution of light in light guide base plate.
Luminescence component also can include body and electroluminescence body.Body is arranged between the paired pin, and forms inner space and light outlet.The electroluminescence body is contained in the inner space of body, and its two electrode is respectively coupled to paired pin.The one side that body has light outlet forms whole light-emitting area, and polarisation spare is arranged on the body, and covers light outlet.When the electroluminescence body produced light, light was promptly penetrated by light outlet, and formation polarization light leaves light source after passing polarisation spare.
To achieve these goals, the invention provides a kind of light supply apparatus, comprise:
One paired pin;
One luminescence component is arranged between this paired pin, and couples with this paired pin; Wherein, this luminescence component has a light-emitting area; And
One polarisation spare is arranged on this light-emitting area of this luminescence component;
Wherein, the light that sends of this luminescence component outwards penetrates through this light-emitting area and this polarisation spare in regular turn.
Above-mentioned light supply apparatus, wherein, this polarisation spare comprises several layers of plated film, light polarizing film or polyvinyl alcohol film and adds the iodine molecule stretching.
Above-mentioned light supply apparatus, wherein, this luminescence component comprises:
One body forms an inner space, and has a light outlet; And
One electroluminescence body is contained in this inner space, and is respectively coupled to this paired pin;
Wherein the one side of this body with this light outlet forms this light-emitting area, and this polarisation spare is arranged on this body, and covers this light outlet.
From the above mentioned, display panel of the present invention has thin integral thickness and less assembled components really, thereby saves assembling man-hour and cost; With and the light supply apparatus that uses, can reduce the integral thickness of display panel assembling, and a polarization light can be provided on demand.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the synoptic diagram of conventional display panels;
Fig. 2 a is the embodiment diagrammatic cross-section of display panel of the present invention;
Another embodiment diagrammatic cross-section that Fig. 2 b is provided with for display panel light source of the present invention;
Another embodiment diagrammatic cross-section that Fig. 2 c is provided with for display panel light source of the present invention;
Another embodiment diagrammatic cross-section that Fig. 2 d is provided with for display panel light source of the present invention;
Fig. 3 is the display panel embodiment diagrammatic cross-section that comprises diffusion layer;
Fig. 4 is the display panel embodiment diagrammatic cross-section that comprises polarisation spare;
Fig. 5 a is the display panel embodiment diagrammatic cross-section that comprises the light redirection structure;
Fig. 5 b comprises the display panel embodiment synoptic diagram of light redirection structure for another;
Fig. 6 a comprises the display panel embodiment synoptic diagram of light redirection structure for another;
Fig. 6 b comprises the display panel embodiment synoptic diagram of light redirection structure for another;
Fig. 7 a comprises the display panel embodiment synoptic diagram of light redirection structure for another;
Fig. 7 b comprises the display panel embodiment synoptic diagram of light redirection structure for another;
Fig. 8 a is another embodiment diagrammatic cross-section of display panel of the present invention;
Fig. 8 b is the top view of Fig. 8 a illustrated embodiment;
Fig. 9 is that light guide base plate is from the preceding embodiment top view of raw material substrate cutting;
Figure 10 is the sectional view of another embodiment of display panel;
Figure 11 is the embodiment synoptic diagram of light supply apparatus.
Wherein, Reference numeral:
110 upper substrates
130 liquid crystal layers
150 reflecting plates
200 light-leading film circuit substrates
210 light inputting ends
230 bright dipping end faces
250 thin film circuit layers
300 light sources
400 polarizing layers
450 low-index layers
500 diffusion layers
510 diffusion particles
600 polarisation spares
700 light redirection structures
801 raw material substrates
810 light guide base plate
811 light inputting ends
813 end faces
815 grooves
830 circuit
850 couplings
870 light sources
871 paired pins
873 luminescence components
875 light-emitting areas
880 bodies
881 sidewalls
883 bottoms
885 inner spaces
887 light outlets
890 diaphragms
910 power supply joint faces
930 luminescence component joint faces
950 light source substrates
970 polarisation spares
980 electroluminescence bodies
Embodiment
The invention provides the light source module of a kind of display panel and use thereof.In preferred embodiment, display panel of the present invention comprises a color liquid crystal display panel.Yet in different embodiment, liquid crystal panel of the present invention also can comprise monochromatic liquid crystal panel.Liquid crystal indicator is then made a general reference the display device of using liquid crystal panel, comprises the LCDs etc. of LCD monitor, mobile phone and digital camera of LCD TV, personal computer and the laptop computer of family expenses.
Shown in Fig. 2 a, display panel of the present invention comprises light-leading film circuit substrate 200, reflecting plate 150, light source 300 and polarizing layer 400.Light-leading film circuit substrate 200 has light inputting end 210 and bright dipping end face 230, and wherein light inputting end 210 is positioned at the end of bright dipping end face 230.In preferred embodiment, light-leading film circuit substrate 200 also includes thin film circuit layer 250.Light-leading film circuit substrate 200 is made by transparent or semitransparent material; In preferred embodiment, the material of light-leading film circuit substrate 200 can be organic resin material, glass, quartz or other transparent or semitransparent material.
In the embodiment shown in Fig. 2 a, display panel also comprises upper substrate 110.Upper substrate 110 is positioned at the top of light-leading film circuit substrate 200, and protrudes in outside the light inputting end 210.Liquid crystal layer 130 is located between upper substrate 110 and the light-leading film circuit substrate 200.The bottom surface of upper substrate 110 is corresponding to the bright dipping end face 230 of light-leading film circuit substrate 200.Light source 300 is arranged on the bottom surface of upper substrate 110, and is positioned at light inputting end 210 outsides of light-leading film circuit substrate 200.Light source 300 is towards light inputting end 210 settings and luminous, so the light that light source 300 sends can directly be injected in the light inputting end 210.
In the embodiment shown in Fig. 2 b, 300 of light sources are directly connected in the end face of light-leading film circuit substrate 200 near light inputting end 210.Light source 300 is luminous towards light inputting end 210, so the light that light source 300 sends can directly be injected in the light inputting end 210.Fig. 2 c is depicted as another embodiment.In this embodiment, light source 300 is fixed on the bright dipping end face 230 of light-leading film circuit substrate 200 position near light inputting end 210.The exiting surface of light source 300 is towards bright dipping end face 230, and the light that makes light source 300 is in bright dipping end face 230 enters light-leading film circuit substrate 200.Enter each zone that light behind the light-leading film circuit substrate 200 then can conduct to light-leading film circuit substrate 200 through the reflection effect of light-leading film circuit substrate 200 and reflecting plate 150.
Shown in Fig. 2 d, display panel further includes low-index layer 450.Low-index layer 450 is arranged under the thin film circuit layer 250 of bright dipping end face 230, and polarizing layer 400 then is arranged on the low-index layer 450, but in different embodiment, polarizing layer 400 also can be arranged at the top of thin film circuit layer 250.The refractive index of low-index layer 450 (refraction index) is less than the refractive index of light-leading film circuit substrate 200.By the setting of low-index layer 450, can promote the reflection conduction efficiency of light in light-leading film circuit substrate 200, with the rear end of part ray guidance to light-leading film circuit substrate 200.In preferred embodiment, low-index layer 450 can be the air blanketing in the light-leading film circuit substrate 200.The generation type of air blanketing comprises with laser and forms or form with other encapsulation or attaching mode.But in different embodiment, low-index layer 450 also can the plated film mode be formed on the light-leading film circuit substrate 200.In addition, in the embodiment shown in Fig. 2 b, when the refractive index (refraction index) of polarizing layer 400 refractive index less than light-leading film circuit substrate 200, and when being located immediately at the below of thin film circuit layer 250, polarizing layer 400 also can replace the function of low-index layer 450.
Shown in Fig. 2 a, light-leading film circuit substrate 200 receives the light that light source 300 produces.Then effects such as optical reflection that produces by light-leading film circuit substrate 200 inside and reflector 150 and refraction will enter its inner ray guidance and be distributed on the bright dipping end face 230, to produce the effect of planar light source.Light promptly enters polarizing layer 400 after bright dipping end face 230 penetrates.Light promptly forms the polarization light of tool planar light source effect after polarizing layer 400 penetrates.But in the embodiment shown in Fig. 2 b, the light that enters in the light-leading film circuit substrate 200 is earlier after the polarization of polarizing layer 400 is handled, just from 230 outgoing of bright dipping end face.
In the embodiment shown in fig. 3, display panel of the present invention also includes diffusion layer 500.Diffusion layer 500 preferable with the mode that is parallel to bright dipping end face 230 be distributed on the light-leading film circuit substrate 200 or within.Diffusion layer 500 is arranged at the side of polarizing layer 400 towards light-leading film circuit substrate 200 inside; That is to say that with the direction of light-leading film circuit substrate 200 horizontal, as shown in Figure 3, diffusion layer 500 is arranged at the below of polarizing layer 400.The diffusion layer 500 main purposes that are provided with are to make the light that passes through comparatively to disperse, and make light purpose more uniformly to reach.In this embodiment, the light in the light-leading film circuit substrate 200 are earlier through diffusion layer 500, light is comparatively disperseed after, just enter polarizing layer 400 and carry out polarization and handle.
As shown in Figure 3, diffusion layer 500 preferable being covered on the thin film circuit layer 250; But in different embodiment, diffusion layer 500 also can be arranged under the thin film circuit layer 250, when diffusion layer 500 is arranged under the thin film circuit layer 250, and refractive index also can replace the function of low-index layer 450 (shown in Fig. 2 d) during less than light-leading film circuit substrate 200.In addition, in this embodiment, diffusion layer 500 is formed on the light-leading film circuit substrate 200 in the film mode, and wherein comprises several diffusion particles 510.Diffusion particle 510 be preferably before thin-film technique mix diffusion layer 500 in the technology or its raw material in.In preferred embodiment, diffusion particle 510 can comprise MMA (Methyl methacrylate, methyl methacrylate), SiO2 (Silicon Dioxide, silicon dioxide), TiO2 particles such as (Titanium Dioxide, titania).But in different embodiment, diffusion layer 500 also can be by light diffusion microstructure being set in the mode on surface, to reach the effect of diffusion light.
In the embodiment shown in fig. 4, display panel also comprises polarisation spare 600.Polarisation spare 600 is arranged between the light inputting end 210 of light source 300 and light-leading film circuit substrate 200.Polarisation spare is attached on the light source 300 or the polarized film on the light inputting end 210 600 preferable comprising.What must emphasize is that said herein light inputting end 210 is not an end face that singly instructs optical thin film circuit substrate 200, but accepts the near zone of light source 300 light one end on the general reference light-leading film circuit substrate 200.For example bright dipping end face 230 also is contained in the scope of light inputting end 210 near the part of light-leading film circuit substrate 200 end faces.
In the embodiment shown in fig. 4, connect airtight with light inputting end 210 end faces of light source 300 and light-leading film circuit substrate 200 respectively the both sides of polarisation spare 600, gets involved the influence that the light course is caused to reduce air layer.As shown in Figure 4, just enter the light inputting end 210 of light-leading film circuit substrate 200 behind the light elder generation process polarisation spare 600 that light source 300 produces; That is to say, enter the light of light for having handled through polarization of light-leading film circuit substrate 200 light inputting ends 210.
Fig. 5 a is depicted as another embodiment of the present invention.In this embodiment, display panel comprises light-leading film circuit substrate 200, reflecting plate 150, light source 300 and several light redirection structures 700.In this embodiment, being provided with all of light-leading film circuit substrate 200, reflecting plate 150 and light source 300 is similar to the above embodiments.Light redirection structure 700 is contained in light-leading film circuit substrate 200, and distributes along the direction of parallel bright dipping end face 230; That is to say that light redirection structure 700 forms and is arranged on the light-leading film circuit substrate 200 or wherein.Shown in Fig. 5 a, light-leading film circuit substrate 200 is guided the distribution of light of light source 300 in bright dipping end face 230 by internal reflection, light redirection structure 700 then makes the light of light-leading film circuit substrate 200 inside produce deviation, and then the inner reflection of influence, and it is more even to use the emergent light of spire face 230.
In the embodiment shown in Fig. 5 a, light redirection structure 700 is formed among the light-leading film circuit substrate 200.In this embodiment, light redirection structure 700 comprises the bubble that is formed in the light-leading film circuit substrate 200.The formation method of bubble is preferably with laser and squeezes into ad-hoc location in the light-leading film circuit substrate 200, to produce bubble.But in different embodiment, also can other physical property or the mode of chemical produce bubble as light redirection structure 700.In addition, in different embodiment, also can implant particle or impurity etc. as light redirection structure 700.Shown in Fig. 5 a, the light that light source 300 produces is in light inputting end 210 enters light-leading film circuit substrate 200.Some of light pass to the long-range of light-leading film circuit substrate 200 through the reflection of inner full-reflection and reflecting plate 150; And also have the light of part directly to be incident upon bright dipping end face 230 formation emergent lights, or produce emergent light through reflecting again through the deviation of light redirection structure 700.By the setting of light redirection structure 700, can avoid producing too much total reflection situation in the light-leading film circuit substrate 200, so that the distribution of light homogenising on the bright dipping end face 230.
In the embodiment shown in Fig. 5 b, 700 bottom surfaces that are formed at light-leading film circuit substrate 200 of light redirection structure.With this embodiment, light redirection structure 700 comprises the raised structures that is formed on light-leading film circuit substrate 200 bottom surfaces, and this raised structures has several inclined-planes towards the one side of light-leading film circuit substrate 200 and tilts towards light inputting end 210.This raised structures can be printed and formed, rolling forming, etching forming or micromechanics cut are formed on the bottom surface of light-leading film circuit substrate 200.
Shown in Fig. 5 b, enter the other parts of light portion in total reflection is passed to light-leading film circuit substrate 200 of light-leading film circuit substrate 200, part light through 700 reflections of light redirection structure then changes its total reflection path originally, and is penetrated outside the light-leading film circuit substrate 200 by bright dipping end face 230.In addition, in different embodiment, the light redirection structure 700 that is formed at light-leading film circuit substrate 200 is not limited to the serration in the present embodiment, also can be other as difform structures such as hemispherical projections or wave projections, or can be to add if change the mode of part material and form in the bottom surface.
Shown in Fig. 6 a and Fig. 6 b, the light redirection structure 700 that is distributed within the light-leading film circuit substrate 200 or on its bottom surface has variable distribution density.With the embodiment of Fig. 6 a and Fig. 6 b, light redirection structure 700 has less distribution density in the position near light source 300; That is to say that light-leading film circuit substrate 200 has 700 distributions of more light redirection structure away from the part of light source 300.By the change of these light redirection structure 700 distribution densities, can avoid too much light in light-leading film circuit substrate 200 near the part of the light source 300 bright dipping end face 230 that is reflected out, to adjust the distribution situation of emergent ray on bright dipping end face 230.
Shown in Fig. 7 a and Fig. 7 b, the light redirection structure 700 that is distributed within the light-leading film circuit substrate 200 or on its bottom surface has variable sectional dimension.With the embodiment of Fig. 7 a and Fig. 7 b, light redirection structure 700 has less sectional dimension in the position near light source 300; That is to say, be distributed in light-leading film circuit substrate 200 and have bigger sectional dimension away from the light redirection structure 700 of light source 300 parts.By the change of these light redirection structure 700 sectional dimensions, can avoid too much light in light-leading film circuit substrate 200 near the part of the light source 300 bright dipping end face 230 that is reflected out, with the distribution situation of homogenising emergent ray on bright dipping end face 230.Overall with reference to the embodiment shown in figure 6a, Fig. 6 b, Fig. 7 a and Fig. 7 b, by changing the shared area ratio of on the cross section of light-leading film circuit substrate 200 or bottom surface light redirection structure 700, can adjust and the distribution situation of homogenising emergent ray on bright dipping end face 230.
Fig. 8 a is depicted as another embodiment of the present invention.In this embodiment, display panel comprises light guide base plate 810, circuit 830, several couplings 850 and light source 870.Light guide base plate 810 has light inputting end 811 and end face 813, and light inputting end 811 is positioned at the end of end face 813.Light guide base plate 810 is made by transparent or semitransparent material; In preferred embodiment, the material of light guide base plate 810 can be organic resin material, glass, quartz or other transparent or semitransparent material.
Shown in Fig. 8 a, circuit 830 is formed at the end face 813 of light guide base plate 810.In preferred embodiment, circuit 830 is for being covered in the thin film circuit layer of end face 813.
Several couplings 850 are positioned on light inputting end 811 end faces of light guide base plate 810.Couplings 850 also extends on the end face 813 of light guide base plate 810, to be connected with circuit 830.Couplings 850 preferable conducting resinl materials by the organic resin base are formed.The conducting resinl material is preferable to be mixed by glue material base material and conduction material, and the conduction material must be dispersed in the glue material base material.Glue material base material commonly used comprises heating stiffening type glue material or photo-hardening type glue material.Common heating stiffening type glue material has polyesters (polyesters), epoxy radicals (epoxy), silicone (silicone), urgthane (urethanes) etc.The polymer base material of this type is heated, can facilitate behind pressure or the catalyst and carry out condensation (condensation) and crosslinked (cross linking) reaction, produce three-dimensional network structure polymer, resistibility to corrosion and moisture attack is good, simultaneously suitable physical strength and the reliability of tool.Photo-hardening type polymer moiety then can be acryl (Acrylate) type, as two acrylic acid (Urethane Diaacrylate) of urgthane and the two acrylic acid (Epoxy Diacrylate) of epoxy radicals etc., ultraviolet light initiator (photoinitiator) then can be Benzophenone (benzophenone) etc.The conduction material then can for silver, carbon or other tool electric conductivity again can with the well-mixed material of glue material base material.
As Fig. 8 b and shown in Figure 9, it is the display panel top view, and light guide base plate 810 is formed with several grooves 815 on the end face of light inputting end 811.In preferred embodiment, as shown in Figure 9, can light guide base plate 810 before raw material substrate 801 cuts just on end face 813 position of light inputting end 811 hole.Follow light guide base plate 810 after raw material substrate 801 cuts, can form groove 815 on the end face of its light inputting end 811, when cutting, cutting line must pass all grooves 815.
Shown in Fig. 8 b, an end of each groove 815 is exposed to the end face 813 of light guide base plate 810, and part or all of each couplings 850 is for being arranged at respectively in the different grooves 815.In preferred embodiment, as shown in Figure 9, form the material of couplings 850, for example the conducting resinl material of organic resin base can inject the hole of light inputting end 811 positions earlier light guide base plate 810 cuts down from raw material substrate 801 before.When cutting light guide base plate 810, the couplings 850 that will partly or entirely be contained in groove 815 together cuts shaping.
In the embodiment shown in Fig. 8 a, display panel also includes diaphragm 890.Diaphragm is overlying on the junction of couplings 850 and circuit 830.Diaphragm 890 can be put the junction that glue, plated film or other different mode are formed at couplings 850 and circuit 830.In addition, the material of diaphragm 890 can comprise insulation or conductive material.By the setting of diaphragm 890, the situation that can avoid couplings 850 and circuit 830 link positions to produce loose contact or separate.
Then, please refer to Fig. 8 b, light source 870 comprises paired pin 871 and luminescence component 873.In pairs pin 871 is respectively coupled to couplings 850, its juncture comprise welding, bonding or other do not hinder the method for conduction property.Luminescence component 873 is arranged between the paired pin 871, and couples with paired pin 871.Luminescence component 873 is preferably light emitting diode; But in different embodiment, luminescence component 873 also can be other pointolite or linear light sorurce.Shown in Fig. 8 b, luminescence component 873 has the light-emitting area 875 of face towards light guide base plate 810 light inputting ends 811.The light that luminescence component 873 produces is injected light inputting end 811 through light-emitting area 875, again through the guiding of light guide base plate 810 with the end face 813 of distribution of light in light guide base plate 810.
Shown in Fig. 8 a and Fig. 8 b, the pin 871 preferable conductive structures that comprise a L type wherein comprise orthogonal power supply joint face 910 and luminescence component joint face 930.Power supply joint face 910 with provide the circuit 830 of signal to couple; Luminescence component joint face 930 then couples with luminescence component 873.In this embodiment, power supply joint face 910 faces same direction with the light-emitting area 875 of luminescence component 873.That is to say that power supply joint face 910 couples towards the end face of light guide base plate 810 light inputting ends 811 and with couplings 850; And the light-emitting area 875 of luminescence component 873 is also towards the end face of light inputting end, and towards light inputting end emission light.As shown in figure 10, power supply joint face 910 also can be vertical with light-emitting area 875 but in another embodiment.In this embodiment, pin 871 is not to be connected directly on the light guide base plate 810 in pairs, but is connected to light source substrate 950.The power supply supplying mode of luminescence component as classic method, is to provide power supply to luminescence component 873 through light source substrate 950.
In embodiment as shown in figure 11, light source 870 also includes the polarisation spare 970 that is arranged on the light-emitting area 875.Polarisation spare 970 is preferably that (Polyvinyl Alcohol, PVA) film adds iodine molecule and stretches and form by the several layers of formed polarized film of plated film, light polarizing film or by polyvinyl alcohol (PVA).
。The light that luminescence component 873 sends promptly enters in the polarisation spare 970 after penetrating light-emitting area 875.When light outwards penetrates by polarisation spare 970, then form the light of polarization.As shown in figure 11, luminescence component 873 includes body 880 and electroluminescence body 980.Body 880 is provided with corresponding to paired pin 871, and surrounds inner space 885 and light outlet 887 by sidewall 881 and bottom 883.Sidewall 881 is preferable to comprise the reflexive inside surface of tool, and has default reflection angle.Inner space 885 preferable fluorescent powder or other chemical substances of being perfused with.
As shown in figure 11, electroluminescence body 980 is contained in the inner space 885 of body 880, and its two electrode directly or through lead is respectively coupled to paired pin 871.Electrical source luminescent body 980 is preferably the light emitting diode crystal.The one side that body 880 has light outlet 887 forms whole light-emitting area 875, and polarisation spare 970 is arranged on the body 880, and covers light outlet 887.When electroluminescence body 980 produced light, light was promptly penetrated by light outlet 887, and formation polarization light leave light source 870 after passing polarisation spare 970.
But in different embodiment, body 880 also can be the optical lens that is formed by light-transmitting materials, and wraps electroluminescence body 980 in integrally formed mode; That is to say that electroluminescence body 980 is embedded in the inside of body 880.Because body 880 has the effect of encapsulation and optical lens simultaneously concurrently, so light must penetrate outwards ejaculation of body 880.The definition of light outlet 887 then was not limited among Figure 11 by body 880 and was surrounded outlet on the space this moment, and the parts that body 880 itself allows light penetrations outwards to penetrate also can be said light outlet 887 herein.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (37)
1, a kind of display panel is characterized in that, comprises:
The light-leading film circuit substrate of one double as film circuit board and light guide plate has a light inputting end and a bright dipping end face, and wherein this light inputting end is positioned at an end of this bright dipping end face;
One light source is provided with corresponding to this light inputting end; And
One polarizing layer is arranged at this light-leading film circuit substrate; Wherein the distribution of this polarizing layer is parallel to this bright dipping end face of this light-leading film circuit substrate;
Wherein, this light-leading film circuit substrate is guided the distribution of light of this light source in this bright dipping end face, and by this polarizing layer.
2, display panel according to claim 1 is characterized in that, this polarizing layer is formed at this bright dipping end face of this light-leading film circuit substrate, and the refractive index of this polarizing layer is less than the refractive index of this light-leading film circuit substrate.
3, display panel according to claim 2 is characterized in that, further comprises a diffusion layer, and wherein this diffusion layer is arranged at the side of this polarizing layer towards this light-leading film circuit substrate inside.
4, display panel according to claim 3 is characterized in that, this light-leading film circuit substrate comprises a thin film circuit layer, and this diffusion layer is covered on this thin film circuit layer.
5, display panel according to claim 3 is characterized in that, this diffusion layer has several diffusion particles.
6, display panel according to claim 3 is characterized in that, this diffusion layer has light diffusion microstructure.
7, display panel according to claim 1 is characterized in that, further comprises a low-index layer, and this low-index layer is arranged on this bright dipping end face, and this polarizing layer then is arranged on this low-index layer; Wherein the refractive index of this low-index layer is less than the refractive index of this light-leading film circuit substrate.
8, display panel according to claim 7 is characterized in that, this low-index layer is an air blanketing that is formed at this light-leading film circuit substrate.
9, display panel according to claim 1 is characterized in that, this light-leading film circuit substrate comprises a thin film circuit layer, and this polarizing layer is formed on this thin film circuit layer.
10, display panel according to claim 1 is characterized in that, this light-leading film circuit substrate comprises a thin film circuit layer, and this polarizing layer is formed under this thin film circuit layer.
11, display panel according to claim 1 is characterized in that, this polarizing layer is formed within this light-leading film circuit substrate.
12, display panel according to claim 1 is characterized in that, further comprises a polarisation spare, is arranged between this light inputting end of this light source and this light-leading film circuit substrate.
13, display panel according to claim 12 is characterized in that, connect airtight with this light inputting end end face of this light source and this light-leading film circuit substrate respectively the both sides of this polarisation spare.
14, display panel according to claim 1 is characterized in that, this polarizing layer is a light polarizing film that is formed on this light-leading film circuit substrate.
15, display panel according to claim 1 is characterized in that, this light-leading film circuit substrate is made by transparent material, and this transparent material is selected from organic resin material, glass and quartz.
16, display panel according to claim 1 is characterized in that, this light source is fixed on the end face of this light inputting end, and the exiting surface of light source is towards the light inlet end face of light-leading film circuit substrate.
17, display panel according to claim 1, it is characterized in that, this light source is fixed on this bright dipping end face of this light-leading film circuit substrate, and near this light inputting end, one exiting surface of this light source is towards this bright dipping end face, and the light that makes this light source is in this bright dipping end face enters this light-leading film circuit substrate.
18, display panel according to claim 1, it is characterized in that, this light source comprises a light source substrate and a luminescence component, this luminescence component is electrically connected on this light source substrate and comprises a light-emitting area, this light source substrate and this luminescence component are provided with corresponding to this light inputting end, and this light-emitting area is pressed close to the end face of this light inputting end.
19, display panel according to claim 1 is characterized in that, further comprises a upper substrate, and this upper substrate is positioned at the top of this light-leading film circuit substrate, and protrudes in outside this light inputting end; Wherein this upper substrate has a bottom surface, and corresponding to this bright dipping end face of this light-leading film circuit substrate, this light source is arranged on this bottom surface, and is positioned at this light inputting end outside of this light-leading film circuit substrate.
20, a kind of display panel is characterized in that, comprises:
The light-leading film circuit substrate of one double as film circuit board and light guide plate has a light inputting end and a bright dipping end face, and wherein this light inputting end is positioned at an end of this bright dipping end face;
One light source is provided with corresponding to this light inputting end; And
Several light redirection structures are contained in this light-leading film circuit substrate; Wherein these light redirection structures distribute along the direction of parallel this bright dipping end face;
Wherein, this light-leading film circuit substrate is guided the distribution of light of this light source in this bright dipping end face, and the part light in this light-leading film circuit produces deviation through this light redirection structure.
21, display panel according to claim 20 is characterized in that, this light redirection structure is formed at a bottom surface of this light-leading film circuit substrate.
22, display panel according to claim 21 is characterized in that, wherein this light redirection structure comprises a raised structures that is formed on this bottom surface, and this raised structures has several inclined-planes towards this light inputting end inclination towards the one side of this light-leading film circuit substrate.
23, display panel according to claim 21 is characterized in that, this light redirection structure comprises one of them of a printed and formed structure, a rolling forming structure and an etching forming structure or the micromechanics cut is shaped.
24, display panel according to claim 20 is characterized in that, this light redirection structure is formed among this light-leading film circuit substrate.
25, display panel according to claim 24 is characterized in that, this light redirection structure comprises the bubble that is formed in this light-leading film electric substrate.
26, display panel according to claim 20 is characterized in that, this light redirection structure has less distribution density in the position near this light source.
27, display panel according to claim 20 is characterized in that, this light redirection structure has less sectional dimension in the position near this light source.
28, a kind of display panel is characterized in that, comprises:
One light guide base plate that is formed by film circuit board has a light inputting end and an end face, and wherein this light inputting end is positioned at an end of this end face;
One circuit is formed at this end face of this light guide base plate;
Several couplings are positioned on this light inputting end end face of this light guide base plate; Wherein, these couplings extend on this end face of this light guide base plate, and are electrically connected with this circuit;
One light source comprises:
One paired pin is respectively coupled to these couplings; And
One luminescence component is arranged between this paired pin, and couples with this paired pin; Wherein, this luminescence component has a light-emitting area, and this light-emitting area is towards this light inputting end of this light guide base plate;
Wherein, this light guide base plate is guided the distribution of light of this light source in this end face.
29, display panel according to claim 28, it is characterized in that, this light guide base plate forms several grooves on the end face of this light inputting end, an end of this groove is exposed to this end face of this light guide base plate, and the part of each couplings is arranged at respectively in these grooves.
30, display panel according to claim 28 is characterized in that, further comprises a diaphragm, and this diaphragm is covered in a junction of each couplings and this circuit.
31, display panel according to claim 28 is characterized in that, this couplings comprises a conducting resinl material.
32, display panel according to claim 31 is characterized in that, this conducting resinl material comprises a glue material base material and a conduction material, and this glue material base material comprises heating stiffening type glue material or photo-hardening type glue material.
33, display panel according to claim 32 is characterized in that, this conduction material comprises silver or carbon.
34, display panel according to claim 28 is characterized in that, this circuit comprises a thin film circuit.
35, display panel according to claim 28 is characterized in that, this luminescence component comprises a light emitting diode.
36, display panel according to claim 28 is characterized in that, this paired pin has a power supply joint face, and this light-emitting area of this power supply joint face and this luminescence component in the same direction.
37, display panel according to claim 28 is characterized in that, this paired pin has a power supply joint face, and this power supply joint face is vertical with this light-emitting area of this luminescence component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100900908A CN100510894C (en) | 2007-03-26 | 2007-03-26 | Display panel and light source device used thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100900908A CN100510894C (en) | 2007-03-26 | 2007-03-26 | Display panel and light source device used thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101021648A CN101021648A (en) | 2007-08-22 |
| CN100510894C true CN100510894C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100900908A Active CN100510894C (en) | 2007-03-26 | 2007-03-26 | Display panel and light source device used thereof |
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| Country | Link |
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| CN (1) | CN100510894C (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907266A (en) * | 2009-06-05 | 2010-12-08 | 旭丽电子(广州)有限公司 | Flexible light beam guiding module with waterproof function |
| KR101290585B1 (en) * | 2009-12-15 | 2013-07-30 | 엘지디스플레이 주식회사 | Transparent display device |
| CN101865384B (en) * | 2010-06-04 | 2012-11-21 | 上海向隆电子科技有限公司 | Luminous device |
| CN103377591B (en) * | 2012-04-13 | 2016-12-21 | 鸿富锦精密工业（深圳）有限公司 | Lbd display unit and light emitting diode indicator |
| CN103309083B (en) * | 2012-09-29 | 2016-03-16 | 上海天马微电子有限公司 | Liquid crystal indicator |
| CN103017024A (en) * | 2012-11-29 | 2013-04-03 | 冠捷显示科技（厦门）有限公司 | Backlight module |
| CN103293763B (en) * | 2012-12-07 | 2016-05-18 | 上海天马微电子有限公司 | Liquid crystal indicator |
| CN103762224B (en) | 2014-01-29 | 2017-01-04 | 京东方科技集团股份有限公司 | Organic el display panel |
| KR102603079B1 (en) * | 2016-07-29 | 2023-11-17 | 엘지디스플레이 주식회사 | Display device and including the same |
| CN106773321A (en) * | 2017-02-17 | 2017-05-31 | 深圳市华星光电技术有限公司 | A kind of light and thin type liquid crystal display device and its backlight module and preparation method |
| CN106896566B (en) | 2017-03-14 | 2021-08-13 | 京东方科技集团股份有限公司 | Backlight structure and liquid crystal display device |
| CN108108718A (en) * | 2018-01-05 | 2018-06-01 | 敦捷光电股份有限公司 | The thin-film transistor display panel that optical finger print recognizes in screen |
| CN110703502A (en) * | 2019-11-19 | 2020-01-17 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN112946954B (en) * | 2021-02-23 | 2023-02-03 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN113805381A (en) * | 2021-08-05 | 2021-12-17 | 信利光电股份有限公司 | Backlight structure, display module and display screen |
-
2007
- 2007-03-26 CN CNB2007100900908A patent/CN100510894C/en active Active
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|---|---|
| CN101021648A (en) | 2007-08-22 |
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