CN1755401A - Blooming, have the backlight assembly of this film and have the display device of this film - Google Patents

Abstract

A kind of blooming comprises basic unit, resin bed and a plurality of hollow particle.Described resin bed is set on the surface of described basic unit.Described hollow particle is set in the described resin bed.Each described hollow particle has the shell of the inner space that limits hollow particle.Because the refractive index of described shell and described inner space is different, so reflection of described hollow particle or transmitted light.

Description

Blooming, have the backlight assembly of this film and have the display device of this film

The application requires the korean patent application 2004-78310 that submits on October 1st, 2004 and the right of priority of the korean patent application 2004-99383 that submits on November 30th, 2004, and their content is merged by reference in full at this.

Technical field

Present invention relates in general to a kind of blooming, a kind of backlight assembly and a kind of display device with this blooming with this blooming.Especially, the present invention relates to a kind of have improved diffusive (diffusivity) and reflexive blooming, a kind of backlight assembly and a kind of display device with this blooming with this blooming.

Background technology

Normally, because LCD panel is not a self-luminosity, the liquid crystal indicator utilization is passed the exterior light of LCD panel or is come display image by the interior lights that backlight assembly provides, and described backlight assembly for example is set at the light source under this LCD panel.

Described backlight assembly comprises lamp unit, light guide plate, reflecting plate (perhaps reflector plate) and optical sheet.Described lamp unit produces light, and the described photoconduction that described light guide plate will be launched by described lamp unit is to described LCD panel.The described light guide plate of light reflected back that described reflecting plate is set at the following of described light guide plate and described light guide plate is leaked.Described optical sheet has strengthened the brightness of the light that sends from light guide plate.

Figure 1A to 1C has described various traditional bloomings.Especially, Figure 1A is the cross-sectional view of casual (diffusely) reflector plate, and Figure 1B is the cross-sectional view of lamination reflector plate, and Fig. 1 C is the cross-sectional view of metal-coated film.

Referring to Figure 1A, described diffusive reflective plate is included in the polyethylene terephthalate (PET) 10 that wherein is formed with air space 12, and described air space for example is a bubble.Described diffusive reflective plate has first on the first surface that is arranged on this PET 10 protection PET 14 and is arranged on the second protection PET 16 on the second surface of this PET 10.This diffusive reflective plate utilizes the different of refractive index of this PET 10 and this air space 12 to diffuse.This diffusive reflective plate has the beneficial characteristics as the high diffusive of low manufacturing cost and light, also has the beneficial characteristics as the antiradar reflectivity of light and relative big thickness.

Referring to Figure 1B, described lamination reflector plate comprises a plurality of the first films 20,24 and 28 with isotropic material, with second film 22 and 26 with refractive index different with the first film 20,24 and 28.Second film 22 and 26 is arranged between the first film 20,24 and 28 respectively.The result is that this lamination reflector plate is reflected light regularly.This lamination reflector plate has some advantages, for example high reflectance of light and relative little thickness, but the diffusion of light of this lamination reflector plate is low.

Referring to Fig. 1 C, described metal-coated film has pet layer 30, silver coating 32 and passivation layer 34.This silver coating 32 is formed on the surface of this pet layer 30, and this passivation layer 34 is formed on this silver coating 32.The shortcoming of this metal-coated film comprises the low diffusive of the antiradar reflectivity and the light of light.

Therefore, need have improved diffusive and reflexive blooming.

Summary of the invention

The invention provides a kind of thinner and have improved diffusive and a reflexive blooming.

The present invention also provides a kind of backlight assembly with above-mentioned blooming.

The present invention also provides a kind of display device with above-mentioned blooming.

In one aspect of the invention, blooming comprises basic unit, resin bed and a plurality of hollow particle.Described resin bed is set in the described basic unit.Described hollow particle is set in the described resin bed.

Aspect another, backlight assembly comprises lamp and blooming of the present invention.Described lamp produces light, and described blooming reflects described light so that the optical characteristics of described light improves.Described blooming comprises basic unit, is arranged on resin bed and a plurality of hollow particle that is set in the described resin bed in the described basic unit.

Aspect another, display device comprises light source, LCD panel and blooming of the present invention.Described light source produces light.Described LCD panel utilization is applied to potential difference (potentialdifference) display image of liquid crystal layer.Described blooming will be from the described light of described lamp to described LCD panel diffuse reflection.Described blooming comprises basic unit, resin bed and a plurality of hollow particle that is set in the described resin bed.

Further aspect another, described display device comprises at least two display boards and at least one backlight assembly of the present invention.Described display board display image.Described backlight assembly provides light for described display board and comprises that reflector plate is to reflect described light.Described reflector plate comprises basic unit, is arranged on resin bed and a plurality of hollow particle that is arranged in the described resin bed in the described basic unit.

According to above-mentioned, because described hollow particle is painted in the described basic unit of described blooming, the diffusive of described blooming and reflectivity can be improved.

Description of drawings

In conjunction with the accompanying drawings and following detailed, can obviously draw above-mentioned and other beneficial effect of the present invention:

Figure 1A to Fig. 1 C is the cross-sectional view of ordinary optical film;

Fig. 2 is according to cross-sectional view of representing the blooming of embodiment of the present invention;

Fig. 3 is the cross-sectional view of the hollow particle shown in the described blooming of Fig. 2;

Fig. 4 is the size of the described hollow particle shown in Fig. 2, the synoptic diagram that reflection is handled and transmission is handled;

Fig. 5 A to Fig. 5 C is the view of the reflection viewing angle characteristic of example blooming;

Fig. 6 A to Fig. 6 C is the view of the reflection angle characteristic of example blooming;

Fig. 7 A to Fig. 7 C is the example view of the reflection viewing angle characteristic of blooming in vertical direction;

Fig. 8 A to Fig. 8 C is the example view of the reflection angle characteristic of blooming in the horizontal direction;

Fig. 9 A is a method synoptic diagram of measuring brightness;

Fig. 9 B is the synoptic diagram of location (map) test point on test substrate;

Figure 10 is according to a decomposition diagram of representing the backlight assembly of embodiment of the present invention;

Figure 11 is the synoptic diagram of the leaded light process of the described light guide plate among Figure 10;

Figure 12 represents the decomposition diagram of the backlight assembly of embodiment according to of the present invention another;

Figure 13 is according to a decomposition diagram of representing the liquid crystal indicator of embodiment of the present invention;

Figure 14 represents the decomposition diagram of the liquid crystal indicator of embodiment according to of the present invention another;

Figure 15 represents the decomposition diagram of the liquid crystal indicator of embodiment according to of the present invention another;

Figure 16 be according to of the present invention another represent the decomposition diagram of the liquid crystal indicator of embodiment;

Figure 17 A represents the decomposition diagram of the liquid crystal indicator of embodiment according to further another of the present invention;

Figure 17 B is the part enlarged diagram of the reflector plate among Figure 17 A;

Figure 18 is the combination stereogram of the liquid crystal indicator among Figure 17;

Figure 19 is the cross-sectional view along the line I-I ' among Figure 18; With

Figure 20 is the enlarged diagram of the part " A " of Figure 19.

Embodiment

To understand like this, when element or layer are called as " in the above ", " being connected to " or " being linked to " another element or layer, be meant its directly in the above, be connected to or be linked to another element or the layer, perhaps exist intermediary element or the layer.On the contrary, when an element was called as " directly in the above ", " directly being connected to " or " directly being linked to " another element or layer, just being meant did not have intermediary element or layer.Reference numeral identical in whole text is indicated components identical.Employed here, term " and/or " comprise in relevant the lising one or more arbitrarily or all combinations.

To understand like this, although term first, second or the like, can be used to describe various elements, assembly, zone, layer and/or part here, these elements, assembly, zone, layer and/or part should not be subjected to the restriction of these terms.These terms only are to be used for an element, assembly, zone, layer or part and another zone, layer or part are made a distinction.Therefore, first element of discussing below, assembly, zone, layer or part can be called second element, assembly, zone, layer or part, and can not depart from instruction of the present invention.

Term with space correlation, for example " ... under ", similar terms such as " below ", " being lower than ", " in ... top ", " being higher than ", here be used be for make as shown in the figure element or the description of the relation of feature and another element or feature simplify.To understand like this, mean except orientation as shown in the figure with the term of space correlation, also be included in use or operating process in the residing different azimuth of equipment.For example, if the equipment among the figure is reversed, so described other element or feature " below " or " ... under " the orientation of element be exactly other element or feature " above ".Therefore, exemplary term " below " can not only comprise that the orientation below but also comprise that the orientation in the above.This equipment can be by location (be rotated by 90 degrees or on other orientation) differently, and this paper is employed can to do corresponding explanation with description space correlation.

Employed here term only is used to describe these typical embodiment, rather than limitation of the present invention.Just as used herein, singulative, " one " and " being somebody's turn to do " also comprises plural form, unless clearly express the other meaning in the context.Will be further understood that, term " comprises ", in the time of in being used in instructions, show the existence of described feature, integral body, step, operation, element and/or assembly, do not exist or increase one or more other feature, integral body, step, operation, element, assembly and/or their combination but do not get rid of.

Unless otherwise defined, all terms that here use (comprise technology with term science) are consistent with general technical staff of the technical field of the invention's common sense.Will be further understood that, term, those defined terms in general dictionary for example should be interpreted into and meet its meaning in the context of association area, cannot be desirable or extremely formal meaning explain, unless definition so clearly in the text.

Hereinafter, the present invention is described in detail with reference to the accompanying drawings in detail.

Fig. 2 is according to a cross-sectional view of representing the blooming of embodiment of the present invention.Fig. 3 is the cross-sectional view of the hollow particle of the blooming shown in Fig. 2.

Shown in Fig. 2 and 3, blooming 40 comprises basic unit 41, resin bed 42, a plurality of hollow particle 43, metal level 44 and passivation layer 45.Resin bed 42 be formed on basic unit 41 above, hollow particle 43 is in resin bed 42.Metal level 44 be formed on basic unit 41 below, passivation layer 45 be formed on metal level 44 below.

Basic unit 41 comprises pet material.Resin bed 42 comprises polyurethane material.

Hollow particle 43 can be circle, sphere or analogous shape.Hollow particle 43 diffuse reflections through the outer surface of hollow particle 43 from light that external light source provided.The outer surface of hollow particle 43 can have various sections, for example, and circular, oval or the like shape.The size of the diameter of hollow particle 43 will be considered the light wavelength that offers this hollow particle 43 and be determined.Particularly, when ruddiness was provided for this hollow particle 43, for reflect red effectively, the diameter of this hollow particle 43 was corresponding to the about wavelength of 650nm.Moreover when green glow was provided for this hollow particle 43, for reflect green light effectively, the diameter of this hollow particle 43 was corresponding to the about wavelength of 550nm.In addition, when blue light was provided for this hollow particle 43, for reflect blue effectively, the diameter of this hollow particle 43 was corresponding to the about wavelength of 450nm.

The diameter of this hollow particle 43 can be approximately 2.9 λ/2 to 3.1 λ/2.Represent among the embodiment at one, the diameter of this hollow particle 43 is approximately 3 λ/2." λ " expression wavelength is about the standard light wavelength of the green glow of 550nm.For example, hot light wavelength is during for about 650nm, and the diameter of this hollow particle 43 is about 97.5 dusts.When the wavelength of green glow was about 550nm, the diameter of this hollow particle 43 was about 82.5 dusts.When the wavelength of blue light was about 450nm, the diameter of this hollow particle 43 was about 67.5 dusts.

As shown in Figure 3, the thickness of the shell 43a of this hollow particle 43 is that about 0.49 λ is to about 0.51 λ.In representing embodiment, the thickness of this shell 43a is about 22.0 dust to 33.1 dusts.

This hollow particle 43 comprises first resin, and utilizes different reflections of refractive index between the inner space 43b of this first resin and this hollow particle 43 to offer the light of this hollow particle 43.This resin bed 42 comprises second resin different with the refractive index of this first resin.This resin bed 42 utilizes the different reflections of the refractive index of this first resin and this second resin to offer the light of this resin bed 42.This second resin comprises transparent material.

Because this first resin is different with the refractive index of this inner space 43b, the light of this hollow bead 43 is supplied with in these hollow particle 43 transmissions.

This metal level 44 comprises the material with highly reflective, for example, and silver (Ag) or aluminium (Al).

The transmissive operation and the reflective operation of this hollow particle 43 are described with reference to Fig. 4 hereinafter.

Fig. 4 example the reflective operation of hollow particle 43 shown in Figure 2 and the synoptic diagram of transmissive operation.

Referring to Fig. 4, be provided for this hollow particle 43 outer surface the first smooth LI1 partial L R1 by this outer surface with the identical corner reflection of the first incident angle θ i11, the remainder LT1 of this first smooth LI1 passes this outer surface with the first angle of transmission θ t11, for example, this first angle of transmission θ t11 is less than this first incident angle θ i11.

The partial L TR1 that the light LT1 of this outer surface is crossed in transmission is reflected with the angle identical with the second incident angle θ i12 by the surface, inside of this hollow particle 43, the remainder LTT1 of this light LT1 passes this surface, inside with the second angle of transmission θ t12, for example, the second angle of transmission θ t12 is greater than this second incident angle θ i12.

On the other hand, the partial L R2 of the second smooth LI2 of outer surface that is provided for this hollow particle 43 by this outer surface with the angle identical reflection with the 3rd incident angle θ i21, the remainder LT2 of this second smooth LI2 passes this outer surface with the 3rd angle of transmission θ t21, for example, the 3rd angle of transmission θ t21 is less than the 3rd incident angle θ i21.

The partial L TR2 that the light LT2 of this outer surface is crossed in transmission is reflected with the angle identical with the 4th incident angle θ i22 by the surface, inside of this hollow particle 43, the remainder LTT2 of this light LT2 passes this surface, inside with the 4th angle of transmission θ t22, for example, the 4th angle of transmission θ t22 is greater than the 4th incident angle θ i22.

As mentioned above, because the outer surface of this hollow particle 43 is circle or analogous shape, this hollow particle 43 can more effective mode diffusion (diffusion) and is reflected the light that is provided for this hollow particle 43.

Fig. 5 A to Fig. 5 C is the view of the reflection viewing angle characteristic of example blooming.Especially, Fig. 5 A represents to comprise the view of reflection viewing angle characteristic of first diffusive reflective plate of E60L (trade name that Japanese Toray produces), Fig. 5 B represents to comprise the view of reflection viewing angle characteristic of second diffusive reflective plate of MCPET (trade name that Japanese Idemitsu company produces), and Fig. 5 C represents the view of the reflection viewing angle characteristic of reflector plate according to an embodiment of the invention.The reflection viewing angle characteristic of this blooming is to adopt Ezcontrast (contrast) 160R instrument (trade name that French ELDIM company produces), is measured when becoming about 10 angles of spending to be provided for this blooming with the front of this blooming at light.In Fig. 5 A to Fig. 5 C, along with the shadow region blackening, catoptrical amount reduces, and along with the distance of leaving the shadow region increases, catoptrical amount increases.

Referring to Fig. 5 A to Fig. 5 C, first diffusive reflective plate more can increase catoptrical visual angle than second diffusive reflective plate.Yet, more can increase this catoptrical visual angle according to the reflector plate of one embodiment of the present of invention even than first diffusive reflective plate.

Fig. 6 A to Fig. 6 C is the view of the reflection angle characteristic of example blooming.Especially, Fig. 6 A represents to comprise the view of reflection angle characteristic of first diffusive reflective plate of E60L, Fig. 6 B represents to comprise the view of reflection angle characteristic of second diffusive reflective plate of MCPET, and Fig. 6 C represents the view of the reflection angle characteristic of reflector plate according to an embodiment of the invention.

Referring to Fig. 6 A to Fig. 6 C, first diffusive reflective plate of Fig. 6 A more can increase catoptrical reflection angle than second diffusive reflective plate of Fig. 6 B.Yet, more can increase this catoptrical reflection angle according to the reflector plate of one embodiment of the present of invention (Fig. 6 C) even than first diffusive reflective plate.

Fig. 7 A to Fig. 7 C is the example view of the reflection viewing angle characteristic of blooming in vertical direction.Especially, Fig. 7 A represents to comprise in vertical direction the view of reflection viewing angle characteristic of first diffusive reflective plate of E60L, Fig. 7 B represents to comprise in vertical direction the view of reflection viewing angle characteristic of second diffusive reflective plate of MCPET, and Fig. 7 C represents the view of the reflection viewing angle characteristic of reflector plate according to an embodiment of the invention in vertical direction.

Fig. 8 A to Fig. 8 C is the example view of the reflection angle characteristic of blooming in the horizontal direction.Especially, Fig. 8 A represents to comprise in the horizontal direction the view of reflection angle characteristic of first diffusive reflective plate of E60L, Fig. 8 B represents to comprise in the horizontal direction the view of reflection angle characteristic of second diffusive reflective plate of MCPET, and Fig. 8 C represents the view of the reflection angle characteristic of reflector plate according to an embodiment of the invention in the horizontal direction.

Fig. 9 A is a kind of synoptic diagram of measuring the method for brightness.Fig. 9 B is the synoptic diagram of location (MAP) test point on test substrate after a hour.Fig. 9 B is illustrated in 81 test points of locating on this test substrate with the matrix shape of nine row, nine row.Brightness among Fig. 9 A is to be measured by the RISA test macro that Japanese HI-LAND company produces.In Fig. 9 B, along with the shadow region deepens, catoptrical amount reduces, and along with the distance of leaving this shadow region increases, catoptrical amount increases.

Referring to Fig. 9 A and 9B, reflector plate 52 be set at a plurality of lamps 50 below, and diffusion disk 54 be set at these lamps 50 above.Each lamp 50 comprises that diameter is that about 1.8mm and length are the cold cathode fluorescent tube of about 91mm.Moreover the thickness of this diffusion disk 54 is about 2mm, and different with the traditional reflective sheet on being applied in conventional liquid crystal display apparatus according to reflector plate of the present invention.

Table 1 expression adds the brightness that voltage recorded at the assignment test point place of this test substrate after one hour with lamp.

Table 1

	Thickness s (μ m)	Brightness (49/81) [%]	Mean flow rate (49/81) [mcd]	Mean flow rate (25/81) [mcd]	High-high brightness [mcd]
						Comparative example 1	975	99.7	2452	2800	3034
Comparative example 2	188	96.8	2416	2760	2989
						Comparative example 3	65	89.6	2235	2516	2815
Example 1	65	100	2495	2820	3067

In table 1, comparative example 1 and roughly the same with the diffusive reflective plate of Figure 1A respectively first diffusive reflective plate and second diffusive reflective plate of comparative example 2 expressions.The lamination reflector plate of comparative example 3 expression Figure 1B, example 1 expression is according to the reflector plate of one embodiment of the present of invention.

As shown in table 1, the thickness of first diffusive reflective plate, second diffusive reflective plate and lamination reflector plate is respectively 975 μ m, 188 μ m and 65 μ m.On the contrary, the thickness according to the described reflector plate of one embodiment of the present of invention is 65 μ m.Therefore the thickness of this reflector plate is thinner than the thickness of first and second diffusive reflective plate.

And then table 1 is illustrated in the brightness that measures on 49 assignment test points in 81 assignment test points.When the measured brightness that obtains was 100% in the hypothesis example 1, the brightness in comparative example 1, comparative example 2 and comparative example 3 was respectively by 99.2%, 96.8% and 89.6% expression so.That is to say that the brightness that records is greater than the brightness that records in comparative example 1, comparative example 2 and comparative example 3 in example 1.

Further, table 1 is illustrated in 45 mean flow rates that the assignment test point records in 81 assignment test points.The mean flow rate that records in comparative example 1, comparative example 2 and comparative example 3 is represented by 2452mcd, 2416mcd and 2235mcd respectively.On the contrary, the mean flow rate that records in example 1 is represented by 2495mcd.That is to say that the mean flow rate that records is greater than the mean flow rate in comparative example 1,2 and 3 in example 1.

Further, table 1 is illustrated in 25 mean flow rates that the assignment test point records in 81 test points.The mean flow rate that records in comparative example 1, comparative example 2 and comparative example 3 is represented by 2800mcd, 2760mcd and 2516mcd respectively.On the contrary, the mean flow rate that records in example 1 is represented by 2820mcd.That is to say that the mean flow rate that records is greater than the mean flow rate in comparative example 1,2 and 3 in example 1.

High-high brightness in comparative example 1, comparative example 2 and comparative example 3 is represented by 3040mcd, 2989mcd and 2815mcd respectively.On the contrary, the high-high brightness in example 1 is represented by 3067mcd.That is to say that the high-high brightness that records is greater than the high-high brightness in comparative example 1,2 and 3 in example 1.

Hereinafter, represent embodiment with describing of having in conjunction with the accompanying drawings according to the backlight assembly of reflector plate of the present invention.

Figure 10 is according to decomposition diagram of representing the backlight assembly of embodiment of the present invention.

Referring to Figure 10, backlight assembly 100 comprises photogenerated part 110, light guide plate 120, reversing prism film 130 and reflector plate 140.

Photogenerated part 110 has lamp 112, lampshade 114, first electric wire 115, second electric wire 116 and connector 118.Voltage is provided for lamp 112 through connector 118, first electric wire 115 and second electric wire 116, and this lamp 112 just produces light in response to the voltage that is applied.Lampshade 114 partly covers the part of lamp 112 and reflector plate 140.The structure of the blooming 40 among the structure of reflector plate 140 and Fig. 2 and Fig. 3 is roughly the same.

Light guide plate 120 is set between reversing prism film 130 and the reflector plate 140.Light guide plate 120 in the face of being formed with a plurality of prisms on the one side of reflector plate 140, and described prism with the vertical substantially direction of the longitudinal direction of lamp 112 on extend.The prism of light guide plate 120 light from photogenerated part 110 and reflector plate 140 guiding reversing prism films 130.

In the cross-sectional view of the prism of light guide plate 120, each inclined-plane (pitch) of prism has circle, parabolic shape or analogous shape.Represent among the embodiment at one, the distance between the inclined-plane of the curvature of prism and lamp 112 and prism reduces pro rata gradually.

Reversing prism film 130 is set at the top of the light-emitting area of light guide plate 120.These reversing prism film 130 diffusions and collection are by the light of light guide plate 120 guiding, to control the brightness of this light.Each inclined-plane of reversing prism film 130 extends on the direction substantially parallel with the longitudinal direction of lamp 112.

Reflector plate 140 is set at the following of light guide plate 120 and reflects the light that leaks from light guide plate 120.Represent among the embodiment at one, this backlight assembly 100 comprises flexible reflector plate; Yet, will understand like this, rigid reflector plate also can replace flexible reflector plate to be used for this backlight assembly 100.

As mentioned above, in backlight assembly 100 with light guide plate 120, this light guide plate 120 have light guide plate of being formed on 120 in the face of the prism on the rear surface of reflector plate 140.Prism with the vertical substantially direction of the longitudinal direction of lamp 112 on extend, and the inclined-plane of this prism with the zone of lamp adjacency in be circle.Therefore, backlight assembly can prevent from light to occur at the place, angle of the light incident portion of light guide plate 120.

Figure 11 is the synoptic diagram that the leaded light of light guide plate shown in Figure 10 is handled.

Referring to Figure 10 and Figure 11, incide the plane of incidence of light guide plate 120 and by these light guide plate 120 guiding from the first smooth I of lamp 112.The result is, the first smooth I is issued via the first leaded light process of this light guide plate 120 light-emitting area from this light guide plate 120.

The part light of the first smooth I is leaked by the reflecting surface from this light guide plate 120.Expression is reflected by the second smooth II of the part of the light of revealing from this reflecting surface, and sheet 140 reflects and this light guide plate 120 is passed in diffusion.The result is, the second smooth II is issued via the second leaded light process of this light guide plate 120 light-emitting area from this light guide plate 120.Moreover, the 3rd smooth III of the remainder of the light that expression is revealed by this reflecting surface by from reflector plate 140 reflections and diffusion pass this light guide plate 120.The result is that the 3rd smooth III is issued from this light-emitting area via the 3rd leaded light process of this light guide plate 120.Bigger by the 3rd smooth III of these light guide plate 120 diffusions than this second smooth II level of diffusion.

Figure 12 represents the decomposition diagram of the backlight assembly of embodiment according to of the present invention another.

Referring to Figure 12, backlight assembly 200 comprises light source 210, light guide plate 220, receiving vessel 230 and reflector plate 240.Light source 210 produces light, and light guide plate 220 receives the light of light source 210 and changes the path of light.Receiving vessel 230 receives this light source 210 and this light guide plate 220.The light that reflector plate 240 reflections are revealed by light guide plate 220.The structure of reflecting plate 240 is identical with the structure of blooming 40 among Fig. 2 and Fig. 3 basically and comprise that hollow particle 43 (referring to Fig. 2 and Fig. 3) is to improve diffusive and reflection characteristic.

Light source 210 comprises the light emitting diode (LED) of a plurality of point-like, and is set at the position of the side of contiguous this light guide plate 220.

Light guide plate 220 has the plane of incidence, light-emitting area and reflecting surface.This plane of incidence receives the light from light source 210.This light-emitting area with the direction of this plane of incidence perpendicular on extend from the first end of this plane of incidence.This reflecting surface with the substantially parallel direction of this light-emitting area on extend from the second end of this plane of incidence.

This reflector plate 240 is set between the reflecting surface of this light guide plate 220 and this receiving vessel 230 and will reflexes to this light guide plate 220 from the light that this reflecting surface is revealed.The size of this reflector plate 240 is corresponding to the size of the reflecting surface of this light guide plate 220.

This backlight assembly 200 further comprises a plurality of optical sheets 250 of the light-emitting area top that is set at this light guide plate 220.This optical sheet 250 has improved from the optical characteristics of the light of light-emitting area emission.This optical sheet 250 comprises diffusion disk and at least one collection sheet.Therefore, this optical sheet can improve from the brightness and the visual angle of the light of this light-emitting area emission.

Hereinafter, the various liquid crystal indicators with this blooming are described with reference to the accompanying drawings.

Figure 13 is according to a decomposition diagram of representing the liquid crystal indicator of embodiment of the present invention.

Referring to Figure 13, liquid crystal indicator 300 comprises photocontrol part 320, polarizing plate (not shown) and liquid crystal board 360.This photocontrol part 320 comprises the light from lamp 330, and the light of this photocontrol part 320 is passed in this polarizing plate biasing.This liquid crystal board 360 comprises colour filter substrate 362, thin film transistor substrate 364, source printed circuit board (PCB) 370, source electrode driver 366 and gate drivers 368.This liquid crystal board 360 utilizes the light display image by this polarizing plate biasing.

Lamp 330 can comprise various light sources, for example cold-cathode fluorescent, light emitting diode, external electrode fluorescent or the like.

This lamp control section 320 comprises a plurality of or a plurality of plate improving brightness and the visual angle from the light of lamp 330, and the light at the visual angle that has the brightness that has improved and improved is provided for this liquid crystal board 360.

It is near that lamp 330 is set at the side of light guide plate 322.Be provided for this light guide plate 322 and by from these light guide plate 322 reflectings surface or be arranged on reflector plate 321 reflections below this light guide plate 322 from the light of lamp 330.This reflected light is by from 322 emissions of this light guide plate and be provided for diffuser 323.This this reflected light of diffuser 323 diffusions and provide the light of diffusion for reversing prism film 324.This reversing prism film 324 collects to offer this liquid crystal board 360 from the diffused light of diffuser 323 and with collected light.The structure of the blooming 40 among the structure of this reflector plate 321 and Fig. 2 and Fig. 3 is roughly the same, and has diffusive property and the reflectance signature of hollow particle 43 (referring to Fig. 2 and Fig. 3) to improve this reflector plate 321 therebetween.

This reversing prism film 324 comprises a plurality of lip-deep prisms that are formed on towards diffuser 323, and this light guide plate 322 comprises a plurality of prisms that are formed on this reflecting surface.The prism of this reversing prism film 324 extends upward in first party, and the prism of this light guide plate 322 (referring to Figure 10) is extending upward with the vertical substantially second party of first direction.Therefore, the prism of this reversing prism film 324 is across the prism of this light guide plate 322.

Figure 14 is the decomposition diagram according to the liquid crystal indicator of the another representative embodiment of the present invention.

Referring to Figure 14, liquid crystal indicator 400 comprises photocontrol part 420, polarizing plate (not shown) and liquid crystal board 460.These photocontrol part 420 controls are from the light of a plurality of lamps 430, and the light of this photocontrol part 420 is passed in this polarizing plate biasing.This liquid crystal board 460 comprises colour filter substrate 462, thin film transistor substrate 464, source printed circuit board (PCB) 470, source electrode driver (source driver) 466 and gate drivers (gate driver) 468.This liquid crystal board 460 utilizes the light display image by this polarizing plate biasing.

Each lamp 430 can comprise cold-cathode fluorescent, light emitting diode or external electrode fluorescent.

This lamp control section 420 comprises a plurality of or a plurality of plate improving brightness and the visual angle from the light of lamp 430, and the light at the visual angle that has the brightness that has improved and improved is provided for this liquid crystal board 460.

Lamp 430 is set at the following of this liquid crystal board 460 and parallel to each other substantially.Light from lamp 430 is provided directly to diffuser 423, perhaps is provided for this diffuser 423 after 421 reflections of the reflector plate below being set at lamp 430.These diffuser 423 diffusions are provided for the light of this diffuser 423, and are provided for reversing prism film 424 by the light of these diffuser 423 diffusions.This reversing prism film 424 is collected by the light of these diffuser 423 diffusions.The structure of this reflector plate 421 is identical with the structure of blooming 40 among Fig. 2 and Fig. 3 basically, and comprises diffusive property and the reflectivity properties of hollow particle 43 (referring to Fig. 2 and Fig. 3) to improve this reflector plate 421.

This reversing prism film 424 comprises a plurality of prisms that are formed on the face of this diffuser 423.The prism of this reversing prism film 424 is extending upward with the vertical substantially parallel first party of lamp 430.

Moreover, corresponding to the light intensity of the first area of the reversing prism film 424 of lamp 430 light intensity greater than the second area of the reversing prism film 424 between lamp 430.In the present embodiment, the pitch angle of the prism of this reversing prism film 424 changes corresponding to the position of lamp 430, and therefore the brightness uniformity from the light of this reversing prism film 424 is improved.For example, the prism with big relatively pitch angle can be formed on the first area of this reversing prism film 424, and the prism with relatively little pitch angle can be formed on the second area of this reversing prism film 424.

Figure 15 is the decomposition diagram according to the liquid crystal indicator of another representative embodiment of the present invention.

Referring to Figure 15, liquid crystal indicator 500 comprises lamp 530, photocontrol part 520 and liquid crystal board 560.This photocontrol part 520 comprises light guide plate 522, reflector plate 521 and reversing prism film 523.Light guide plate 522 and reflector plate 521 will be offered reversing prism film 523 by the light that lamp 530 produces.These reversing prism film 523 diffusions and collection light, and liquid crystal board 560 is by the light display image from this reversing prism film emission.This liquid crystal board 560 comprises multi-color filtrate substrate 562, thin film transistor substrate 564, source printed circuit board (PCB) 570, source electrode driver 566 and gate drivers 568.The structure of this reflector plate 521 is can be basically identical with the structure of blooming 40 among Fig. 2 and Fig. 3 and comprise diffusive and the reflection characteristic of hollow particle 43 (referring to Fig. 2 and Fig. 3) to improve this reflector plate 521.

Lamp 530 can comprise cold-cathode fluorescent, light emitting diode or external electrode fluorescent.

This light guide plate 522 has a plurality of prisms on the reflecting surface of this reflector plate 521 that are formed on light guide plate 522.The prism of this light guide plate 522 is collected the light that is provided for this light guide plate 522, and therefore light light-emitting area from this light guide plate 522 on the direction vertical substantially with respect to light-emitting area of being collected by prism is exported.This reversing prism film 523 receives from the light of these light guide plate 522 outputs, and collects this light.Therefore, the light of being collected by this reversing prism film 523 is provided for this liquid crystal board 560.

The prism of this reversing prism film 523 be formed in the face of on the face of this light guide plate 522 and with the vertical substantially parallel direction of lamp on extend.The prism of this light guide plate 522 with the direction of vertical perpendicular of lamp 530 on extend.

Figure 16 is the decomposition diagram according to the liquid crystal indicator of another representative embodiment of the present invention.

Referring to Figure 16, liquid crystal indicator comprises backlight assembly 200, display unit 620 and takes over a business 630.This backlight assembly 200 produces light, and this display unit 620 is by the light display image from this backlight assembly 200.Taking over a business 630 is fixed to this display unit 620 on this backlight assembly 200.

In the present embodiment, the structure of this backlight assembly 200 is identical with the structure of backlight assembly 200 among Figure 12 basically, thereby has omitted these elements further are repeated in this description.

This receiving vessel 260 comprises chassis 262 and mold frame 264.This mold frame 264 has four sidewalls guiding the receiving position of this light source 210 and this light guide plate 220, and the bottom surface of this mold frame is opened wide.Chassis 262 has bottom surface and four sidewalls that extend from the bottom surface on this chassis 262.By hook spare chassis 262 is attached on the mold frame 264.

Reflector plate 240, light source 210, light guide plate 220 and optical sheet 250 are sequentially received in the receiving vessel 260.

Display unit 620 is set on the backlight assembly 200 and utilizes from the light display image of these backlight assembly 200 outputs.

Especially, display unit 620 comprises liquid crystal board 624, driving arrangement 626 and flexible circuit member 628.This driving arrangement 626 can be realized with the IC chip.

Liquid crystal board 624 has first substrate, second substrate and liquid crystal layer (not shown).Second substrate is attached on first substrate and liquid crystal layer is set between this first substrate and second substrate.

Driving arrangement 626 is installed on this first substrate and provides drive signal for data line and gate line.This driving arrangement 626 can have, for example, two chips, one of them chip is used for data line, and another chip is used for gate line.In interchangeable embodiment, driving arrangement 626 can have an integrated chip that is used for data line and gate line.Driving arrangement 626 is installed on first substrate by glass-based chip (COG) technology.

Moreover, this flexible circuit member 628 is connected to this first substrate and provides control signal for this driving arrangement 626.Anisotropic conductive film is electrically connected flexible circuit member 628 with this first substrate.The storer of the timing controller of the time of controlling and driving signal and storage data signal is installed on this flexible circuit member 628.

Figure 17 A is the decomposition diagram according to the liquid crystal indicator of another representative embodiment of the present invention.Figure 17 B is the partial enlarged drawing of the reflector plate among Figure 17 A.

Referring to Figure 17 A and Figure 17 B, liquid crystal indicator 700 comprises display plate component 710, first backlight assembly 720, second backlight assembly 730, take over a business 740, mold frame 750 and chassis 760.First backlight assembly 720 and second backlight assembly 730 generate light.

Display plate component 710 comprises main display board 721, secondary display board 722, first printed circuit board (PCB) 723, second printed circuit board (PCB) 724 and integrated circuit (IC) chip 725.

The size of this main display board 721 is greater than secondary display board 722.Moreover liquid crystal indicator 700 can be used for fold type portable telephone.In this fold type portable telephone, it is inner and secondary display board 722 is arranged on the outside of this fold type portable telephone that main display board 721 is arranged on this fold type portable telephone.Thereby when closing this fold type portable telephone, because its size is less, this pair display board 722 shows few relatively information on its display screen.Similarly, when opening this fold type portable telephone, because its size more greatly, this main display board 721 shows many relatively information on its display screen.

Because secondary display board 722 is littler than the size of main display board 721, so the size of second backlight assembly, 730 to the first backlight assemblies 720 is little.

In Figure 17 A and Figure 17 B, liquid crystal indicator 700 with main display board 721 and secondary display board 722 relative with this main display board 721 has been described, yet the present invention is not restricted to this embodiment, and the structure of liquid crystal display 700 and composition can change.

Further, although described the liquid crystal indicator 700 with two display boards 721 and 722 in Figure 17 A and Figure 17 B, the present invention should not only limit to this and represent embodiment.That is to say that liquid crystal indicator 700 can have two or more a plurality of display board.Described in Figure 17 A and Figure 17 B although have the liquid crystal indicator 700 of two LCD panel, the present invention should not only limit to this and represent embodiment.That is to say that liquid crystal indicator 700 can have at least one LCD panel and light-receiving type display board.

Hereinafter, will the inner structure of main display board 721 be described.This pair display board 722 has the structure same with main display board 721, thereby will omit the description to secondary display board 722.

Main display board 721 comprises the thin film transistor substrate 721b with transparent glass substrate, is formed with a plurality of thin film transistor (TFT)s with matrix shape on described transparent glass substrate.This thin film transistor (TFT) comprises source electrode, grid and drain electrode.This source electrode is electrically connected with data line, and this grid is electrically connected with gate line.This drain electrode is electrically connected with pixel electrode.This pixel electrode comprises the transparent conductive material as indium tin oxide and so on.

Main printed circuit board 770 is electrically connected with this data line and gate line.In the time will being applied to this data line and gate line from the electric signal of this main printed circuit board 770, the conducting or end of this thin film transistor (TFT) in response to the electric signal that is provided for source electrode and grid through data line and gate line.Therefore, the drain electrode of this thin film transistor (TFT) output is in order to form the required electric signal of pixel.

Main display board 721 further comprises the colour filter substrate 721a in the face of this thin film transistor substrate 721b.721a is arranged on this thin film transistor substrate 721b with this colour filter substrate.This colour filter substrate 721a has rgb pixel and common electrode.Handle that by film rgb pixel is formed on the substrate, the light that passes rgb pixel by use is represented the color of being scheduled to.Common electrode is formed on this rgb pixel and comprises indium tin oxide.When being applied to electric signal on source electrode and the grid and making the thin film transistor (TFT) conducting, between pixel electrode and common electrode, form electric field.(the alignment angle is changed by electric field to be injected into the calibration of liquid crystal in the space between thin film transistor substrate 721b and the colour filter substrate 721a.Therefore, the transmittance of liquid crystal is (corresponding to the collimation angle of liquid crystal and change, so main display board 721 can show desired pixel.Two polarizing plate (not shown) are connected respectively on the outer surface of this thin film transistor substrate 721b and this colour filter substrate 722a.

This pair display board 722 also comprises colour filter substrate 722a and thin film transistor substrate 722b, and their configuration is roughly identical with the configuration of the colour filter substrate 721a of this main display board 721 and thin film transistor substrate 721b.

Integrated circuit (IC) chip 725 provides drive signal and clock signal for gate line and data line, so that the collimation angle and the alignment time of control liquid crystal.Integrated circuit (IC) chip 725 is connected on the thin film transistor substrate 721b, and is passivated layer 726 encirclement.Data-signal and a plurality of clock signal that this integrated circuit (IC) chip 725 produces data-signals and is used to drive main display board 721 think that this main display board 721 provides data-signal and signal in time.Signal and data-signal are put on gate line and data line respectively.Second printed circuit board (PCB) 724 receives from the drive signal of main display board 721 and through another integrated circuit (IC) chip and provides drive signal for secondary display board 722.

A plurality of resistance 7703 are installed in and are used to first printed circuit board (PCB) 723 to provide on the main printed circuit board 770 of signal, and the connector 7701 of fold type portable telephone is installed on the main printed circuit board 770.First printed circuit board (PCB) 723 is electrically connected this main display board 721 with this main printed circuit board 770.In Figure 17 A and Figure 17 B, this first printed circuit board (PCB) 723 can be divided into two parts, but these two parts of first printed circuit board (PCB) 723 are electrically connected to each other.

First backlight assembly 720 and second backlight assembly 730 are set between this main display board 721 and the secondary display board 722.First backlight assembly 720 and second backlight assembly 730 is respectively main display board 721 and secondary display board 722 provides light.

Mold frame 750 receives first backlight assembly 720 and second backlight assembly 730.Second backlight assembly, 730 to the first backlight assemblies 720 are little and their structure is substantially the same.Although in Figure 17 A and 17B, described liquid crystal indicator 700 with two backlight assemblies 720 and 730,, the present invention should not only limit to this and represent embodiment.That is to say that liquid crystal indicator 700 can have a backlight assembly and think that main display board 721 and secondary display board 722 provide light.

First backlight assembly 720 comprises first light source 782, first light guide plate 727, first reflector plate 728 and first optical sheet 729.First light source 782 produces light, first light guide plate 727 with this photoconduction to main display board 721.First reflector plate 728 reflexes to first light guide plate, 727, the first optical sheets 729 with this light and has improved the brightness of this light and will have this light that has improved brightness and offer main display board 721.

In Figure 17 A and Figure 17 B, first light source 782 comprises the light emitting diode that is installed on the substrate 786, but first light source 782 can comprise the area source of lamp or line source and use light emitting diode.Moreover in Figure 17 A and Figure 17 B, first light source 782 comprises three light emitting diodes, but the quantity of light emitting diode can change.

Substrate 786 and main printed circuit board 770 are electrically connected and receive the optical control signal from this printed circuit board (PCB) 770.Be positioned in first light source 782 these optical control signals of response on the substrate 786 and operate.Basically second backlight assembly 730 that has same structure with first backlight assembly 720 comprises secondary light source 784, second light guide plate 732, second reflector plate 734 and second optical sheet 736.

This mold frame 750 receives first light source 782 that is positioned on substrate 786, display plate component 710, first backlight assembly 720 and second backlight assembly 730.

Take over a business 740 and be set on the display plate component 710, and chassis 760 is set under this display plate component 710.Take over a business 740 and chassis 760 be linked to the side surface of this mold frame 750.Main printed circuit board 770 covers the lower surface that mold frame 750 is received the chassis 760 in it.

Representing in the liquid crystal indicator 700 of embodiment at least one the comprised mixed type reflector plate in first reflector plate 728 and second reflector plate 734 according to one of the present invention.Because the inherent characteristic of multilayer, this mixed type reflector plate have most of light that sandwich construction and reflection are provided for this mixed type reflector plate.Especially, because this mixed type reflector plate can be used to replace barrier sheet, so this liquid crystal indicator 700 needn't have barrier sheet.Therefore, the thickness of liquid crystal indicator 700 and wherein the quantity of element can be reduced, thereby the characteristic of liquid crystal indicator 700, for example thickness, weight, size or intensity can be improved.

Liquid crystal indicator in Figure 17 A and Figure 17 B, first reflector plate 728 comprise that enhanced spectrum reflection (ESR) sheet and second reflector plate 734 comprise this mixed type reflector plate.Yet, should not only limit to this according to first reflector plate 728 of the present invention and second reflector plate 734 and represent embodiment.That is to say that first reflector plate 728 can comprise that this mixed type reflector plate and second reflector plate 734 can comprise this enhanced spectrum reflector plate.Moreover first and second reflector plates 728 and 734 can comprise this mixed type reflector plate.

In liquid crystal indicator 700, owing to second reflector plate 734 is reversed, so the posterior face of second reflector plate 734 and anterior face are shifted one's position.Hereinafter, with reference to the structure of Figure 17 B description from second reflector plate 734 of the upside observation of liquid crystal indicator 700.

Second reflector plate comprises 734b of basic unit and the resin bed 743a that is arranged on the 734b of this basic unit.Resin bed 743a has a plurality of hollow particle 734a1 that are added in this resin bed 743a.Second reflector plate can further comprise another layer in case of necessity.Especially, second reflector plate 734 can further comprise and is set directly at the reflective metal layer 734c below this basic unit and is set directly at passivation layer 734d below this reflective metal layer 734c.

This resin bed 734a can comprise polyurethane.This hollow particle 734a1 can comprise that the inner space of transparent resin bed and this hollow particle 734a1 can be sky.The part light that is provided for this resin bed 734a is by the surface reflection of this hollow particle 734a1, and the light of remainder is provided for the inner space of this hollow particle 734a1.Because this resin bed 734a is different with the refractive index of the transparent resin layer of this hollow particle 734a1, so the light that is provided for this resin bed 734a is by diffuse reflection.Especially, because the transparent resin layer of this hollow particle 734a1 is different with the refractive index of inner space, the light that is provided for this resin bed 734a is by diffuse reflection.Because fill with air this hollow particle 734a1 inner space, so the refractive index of this inner space is about 1.

This hollow particle 734a1 has, for example, and cylindrical shape or sphere, so light is by this hollow particle 734a1 diffuse reflection.The diameter of this hollow particle 734a1 is corresponding to the light wavelength that is provided for this resin bed 734a.When hypothesis " λ " during for the wavelength of the green glow of the about 550nm of wavelength, the diameter of this hollow particle 734a1 is about 2.9 λ/2 to about 3.1 λ/2 or is 3.0 λ/2 haply.In particular, hot light wavelength is during for about 650nm, and the diameter of this hollow particle 734a1 is about 97.5 dusts.When the wavelength of green glow was about 550nm, the diameter of this hollow particle 734a1 was about 82.5 dusts.When the wavelength of blue light was about 450nm, the diameter of this hollow particle 734a1 was about 67.5 dusts.The thickness of the shell of this hollow particle 734a1 is about 0.49 λ to about 0.51 λ or is roughly 0.5 λ, thereby improved irreflexive efficient.

The 734b of basic unit comprises resin, for example based on the resin of polyethylene terephthalate.The 734b of this basic unit is set directly at the following of this resin bed 734a and supports this resin bed 734a.The 734b of this basic unit receives the light that passes this resin bed 734a.

Reflective metal layer 734c is set directly at the following of the 734b of this basic unit and the light that the 734b of this basic unit is crossed in transmission is reflexed to the 734b of this basic unit.Reflective metal layer 734c comprises the material with highly reflective, for example silver (Ag) or aluminium (Al).Therefore, second reflector plate 734 will offer most of light reflection of this second reflector plate 734, thereby reduce the light loss of second reflector plate 734.Passivation layer 734d is set directly at the following of this reflective metal layer 734c and can prevents the division (split) of second reflector plate 734.

Figure 18 is the stereographic map after the combination of liquid crystal indicator of Figure 17 A.

Referring to Figure 18, liquid crystal indicator 700 has according to reflector plate of the present invention, thereby has improved the brightness of light and the image of clear display.Moreover, because liquid crystal indicator 700 can prevent the leakage of light,, light shows thereon main display board and one of sub-panel so can only being provided for image.

Figure 19 is that the line I-I ' in Figure 18 goes up the cross-sectional view of intercepting.Figure 20 is the enlarged diagram of the part " A " of Figure 19.Figure 19 represents the main display board 721, first backlight assembly 720, second backlight assembly 730 and the secondary display board 722 that stack gradually in order, and Figure 20 represents from the reflection of light path of light source output.

Referring to Figure 19 and Figure 20, first reflector plate 728 of first backlight assembly 720 contacts with second reflector plate 734 of second backlight assembly 730.Because second reflector plate 734 is as barrier sheet, so pass the light of first reflector plate 728 by 734 reflections of second reflector plate after the output of first light source.Therefore, liquid crystal indicator does not need independent barrier sheet.

As shown in figure 20, supply with second reflector plate 734 from the light of secondary light source output through the resin bed 734a of second reflector plate 734.The light of supplying with second reflector plate 734 is by this resin bed 734a diffuse reflection.Because hollow particle 734a1 is added in the resin bed 734a, so this light of resin bed 734a diffuse reflection efficiently.Next step, the light that passes this resin bed 734a is reflected from this reflective metal layer 734c.Therefore, second reflector plate 734 can will be supplied with most of light reflection of this second reflector plate 734, thereby has reduced the light loss of second reflector plate 734.

As mentioned above, described blooming comprises urethane resin and joins in the described polyurethane and cover described hollow particle on the described metal-coated film, thereby improved the diffusive and the reflectivity of described blooming.Described hollow particle comprises transparent resin, and the inner space of described hollow particle is empty.Therefore, because the refractive index difference between described transparent resin and described inner space, described hollow particle can reflect this light.

Moreover the described reflector plate of described liquid crystal indicator comprises that described basic unit and described hollow particle are added into described resin bed wherein, thereby the light of described hollow particle is supplied with in diffuse reflection efficiently.

Described reflector plate further comprises described metal level and the described passivation layer that is used to reflect the described light that passes described resin bed.Therefore, the described light loss of described reflector plate can be reduced, and the permanance of described reflector plate is improved.

According in the described backlight assembly of the present invention, at first be incident in the described resin bed from the described light of described light source.Therefore, can be enhanced from the brightness of the described light of described backlight assembly emission, but and the image of described liquid crystal indicator clear display.

Moreover the described shell of described hollow particle comprises the transparent resin with refractive index different with the refractive index of the described inner space of described hollow particle, so the light of described hollow particle is supplied with in the diffuse reflection efficiently of described reflector plate.

Described resin bed has the refractive index different with the described refractive index of described transparent resin, thereby has improved the diffuse reflection efficient of described reflector plate.

Moreover described reflector plate can be used as described barrier sheet, so the character of described liquid crystal indicator can improve as thickness, weight, size and intensity.

Although, described more of the present invention represent embodiment, be appreciated that the present invention should not only limit to these and represent embodiment, those of ordinary skills can carry out various changes and improvements not breaking away under the described the spirit and scope of the present invention of claims.

Claims (34)

1. blooming comprises:

Basic unit;

Be arranged on the resin bed in the described basic unit; With

A plurality of hollow particles that are arranged in the described resin bed.

2. blooming as claimed in claim 1, wherein said resin bed comprises the resin based on polyurethane.

3. blooming as claimed in claim 1, wherein, the diameter of described hollow particle is by the light wavelength decision of supplying with described blooming.

4. blooming as claimed in claim 1, wherein, the diameter of described hollow particle is roughly 3.0 * λ/2, and λ represents to supply with the light wavelength of described blooming.

5. blooming as claimed in claim 4, wherein, the diameter of described hollow particle is that about 62.5 dusts are to about 100.7 dusts.

6. blooming as claimed in claim 1, wherein, described hollow particle comprises that thickness is roughly the shell of 0.5 λ, λ represents to supply with the light wavelength of described blooming herein.

7. blooming as claimed in claim 6, wherein, the thickness range of the described shell of described hollow particle is that about 22 dusts are to about 33.1 dusts.

8. blooming as claimed in claim 1, wherein, described basic unit comprises the resin based on polyethylene terephthalate.

9. blooming as claimed in claim 1 further comprises the metal level that is arranged in the described basic unit, and described metal level is set on the opposition side of described resin bed with respect to basic unit.

10. blooming as claimed in claim 9 further comprises the passivation layer that is arranged on the described metal level, and described passivation layer is set on the opposition side of described basic unit with respect to metal level.

11. blooming as claimed in claim 1, wherein, described hollow particle comprises the shell that limits the hollow particle inner space, described shell comprises first resin that refractive index is different with the refractive index of described inner space, and because the refractive index of described first resin and described inner space is different, the light of described hollow particle is supplied with in described hollow particle reflection.

12. blooming as claimed in claim 11, described resin bed comprises second resin, and because the light of described resin bed is supplied with in the different described resin bed reflections of the refractive index of described first resin and described second resin.

13. blooming as claimed in claim 11, wherein, described first resin comprises transparent material.

14. blooming as claimed in claim 1, wherein, described hollow particle comprises the shell of the inner space that limits hollow particle, described shell comprises first resin that refractive index is different with the refractive index of described inner space, and because the refractive index of described first resin and described inner space is different, the light of described hollow particle is supplied with in described hollow particle transmission.

15. blooming as claimed in claim 1, wherein, described hollow particle comprises spherical shell and supplies with the light of described hollow particle via described shell diffusion.

16. blooming as claimed in claim 1, wherein, the light of described hollow particle is supplied with in reflection of the outer surface of described hollow particle and transmission.

17. blooming as claimed in claim 1, wherein, the light of described hollow particle is supplied with in the internal reflecting surface of described hollow particle and transmission.

18. blooming as claimed in claim 1, wherein, described resin bed and described hollow particle have roughly the same material.

19. blooming as claimed in claim 1, wherein, the refractive index of described resin bed and described hollow particle is roughly the same.

20. blooming as claimed in claim 1, wherein, the refractive index of described resin bed is different with the refractive index of described hollow particle.

21. a backlight assembly comprises:

Be used to produce the lamp of light; With

Be used to reflect the blooming from the light of described lamp, described blooming comprises basic unit, is arranged on resin bed and a plurality of hollow particle that is arranged in the described resin bed in the described basic unit.

22. backlight assembly as claimed in claim 21 further comprises contiguous described lamp and described blooming and the light guide plate that is provided with, the light that described light-guide plate guides is produced by described lamp and by the path of the light of described blooming reflection.

23. backlight assembly as claimed in claim 22, wherein, each described hollow particle comprises the shell of the inner space that limits hollow particle, described shell comprises the resin with refractive index different with the refractive index of described inner space, and because the refractive index of described resin and described inner space is different, the light of described hollow particle is supplied with in described hollow particle reflection or transmission.

24. a display device comprises:

Be used to produce the light source of light;

Utilization is applied to the LCD panel of the potential difference display image of liquid crystal layer; With

Being used for will be from the light of described lamp to the irreflexive blooming of described LCD panel, and described blooming comprises basic unit, is arranged on resin bed and a plurality of hollow particle that is arranged in the described resin bed in the described basic unit.

25. a display device comprises:

At least two display boards that are used for display image;

At least one is used to described display board to provide the backlight assembly of light, described backlight assembly to comprise to be used for catoptrical reflector plate, and described reflector plate comprises basic unit, is arranged on resin bed and a plurality of hollow particle that is arranged in the described resin bed in the described basic unit.

26. display device as claimed in claim 25, wherein, described reflector plate further comprises:

Be arranged on the reflector layer in the described basic unit, described reflector layer is set on the opposition side of described resin bed with respect to basic unit; With

Be arranged on the passivation layer on the described reflector layer, described passivation layer is set on the opposition side of described basic unit with respect to reflector layer.

27. display device as claimed in claim 26, wherein, backlight assembly further comprises and is used to produce the light source of described light and described light goes into to inject described resin bed and by described reflective layer reflects.

28. display device as claimed in claim 26, wherein said reflector layer are metal level.

29. will go 25 described display device as right, wherein, described hollow particle comprises the shell with transparent resin.

30. display device as claimed in claim 29, wherein, the refractive index of described resin bed is different with the refractive index of the described shell of described hollow particle.

31. display device as claimed in claim 25, wherein said basic unit comprises polyethylene terephthalate, and described resin bed comprises polyurethane.

32. display device as claimed in claim 25, wherein said at least one backlight assembly comprises first backlight assembly and size second backlight assembly littler than described first backlight assembly, described reflector plate comprises first reflector plate of described first backlight assembly and second reflector plate of described second backlight assembly, and described first reflector plate contacts with described second reflector plate.

33. display device as claimed in claim 25, wherein said at least two display boards comprise at least one LCD panel.

34. display device as claimed in claim 25, wherein said at least two display boards and described at least one backlight assembly are configured in the mobile phone.

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