CN103439830A - Multifunctional film applied to side-light type backlight module - Google Patents
Multifunctional film applied to side-light type backlight module Download PDFInfo
- Publication number
- CN103439830A CN103439830A CN2013103146689A CN201310314668A CN103439830A CN 103439830 A CN103439830 A CN 103439830A CN 2013103146689 A CN2013103146689 A CN 2013103146689A CN 201310314668 A CN201310314668 A CN 201310314668A CN 103439830 A CN103439830 A CN 103439830A
- Authority
- CN
- China
- Prior art keywords
- diffusion
- particle
- multifunctional membrane
- weight
- diffusion region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to the technical field of liquid crystal display panels, in particular to a multifunctional film applied to a side-light type backlight module. For solving the problems that one side of the side-light type backlight module is dark and the other side of the side-light type backlight module is bright due to the fact that a light source is arranged on one side or two sides of a light guide plate and the light is difficult to uniformly distribute in the traditional side-light type back module, the invention provides the multifunctional film applied to the side-light type backlight module. The multifunctional film comprises a substrate, wherein an upper coating is arranged on the upper surface of the substrate in a coating manner; a lower protecting coating is arranged on the lower surface of the substrate in a coating manner; the upper coating consists of a diffusion zone and a prism zone. According to the multifunctional film, the light can become uniform, the shadow can be shielded and the brightness can be improved.
Description
Technical field
The present invention relates to the display panels technical field, be specifically related to a kind of multifunctional membrane that is applied to the side-light backlight module.
Background technology
Display panels has been widely used on computer, mobile phone, TV, navigating instrument, digital camera and some instrument displays screen.Because liquid crystal panel self is not luminous, and backlight module has just played enough brightness and the effect of uniform light of providing as one of critical component of display panels.Now on market, the backlight module of more common liquid crystal display can be divided into two kinds of straight-down negative and side-light types, down straight aphototropism mode set: be applicable to medium-and-large-sized backlight, the lamp source is positioned at the light guide plate below, light source more than 2 is generally arranged, after light source emits beam, through the reflector plate reflection ray, obtain brightness after light guide plate, diffusion barrier, prismatic lens uniform light better, the uniform area source of light.The advantages such as it is high that down straight aphototropism mode set has briliancy, and angle of visibility is good, but straight-down negative is backlight heavier, is not suitable for those to portability and the frivolous client that requirement is arranged.The side-light backlight module: be applicable to middle-size and small-size backlightly, the lamp source is positioned at a side or the both sides of light guide plate, and the side-light backlight module has advantages of light, slim, energy-conservation.Due to the demand of present client to displays such as pocket, narrow frame, light and thin type mobile phone, notebook, TVs, the side-light backlight module more and more receives an acclaim.
Backlight module mainly is comprised of following parts: light source, lampshade, light guide plate, reflector plate, diffusion barrier, prism film etc.Diffusion barrier comprises diffusion barrier and lower diffusion barrier.Lower diffusion barrier generally be placed on light guide plate above, uniform light is arranged, hide the effect of site and lamp shadow, prismatic lens is placed on above lower diffusion barrier, and the effect that improves front face brightness is arranged.The side-light backlight module is because the lamp source is the one or both sides that are placed on light guide plate, and this compares with down straight aphototropism mode set, and light is more difficult is evenly distributed, and causes dark bright phenomenon on one side on one side.
Summary of the invention
Be difficult to be evenly distributed in order to solve light in existing side-light backlight module, cause the bright defect in dark one side on one side, the present invention proposes a kind of multifunctional membrane that is applied to the side-light backlight module.This multifunctional membrane can play uniform light, hides shadow, improves the effect of brightness.
To achieve these goals, the present invention by the following technical solutions.
The invention provides a kind of multifunctional membrane that is applied to the side-light backlight module and (also can be described as multi-function membrane, be called for short diaphragm or film), described multifunctional membrane comprises that the upper surface of base material, described base material is coated with coating layer, lower surface is coated with lower protective finish; Described upper coating layer is comprised of diffusion region and prism district.Lower protective finish is comprised of the agent of heat curing gluing and the anti-stick diffusion particle that connects.Described prism district has the effect of obvious raising brightness, and described diffusion region has the effect that hides shadow, uniform light.
Further, in described multifunctional membrane, described diffusion region is diffusion coating, and described diffusion coating comprises adhesive and diffusion particle, and described diffusion particle is bonded in the surface of described base material by adhesive; Described diffusion particle is organic diffusion particle, or, the potpourri that described diffusion particle is organic diffusion particle and inorganic diffusion particle.Described diffusion particle is spherical or elliposoidal.Described diffusion particle and adhesive form diffusion coating.
Further, the base material of described multifunctional membrane is selected from a kind of in polycarbonate (PC), polyethylene terephthalate (PET), polyamide (PA), polystyrene (PS), tygon (PE), polymethylmethacrylate (PMMA).Described base material is water white base material (also can be described as basement membrane, or substrate), and the base material refractive index is 1.4-1.75, and thickness is 10-300 μ m.Base material thickness is preferably 15-25 μ m, 35-50 μ m, 60-80 μ m, 95-150 μ m, 170-250 μ m.
Further, in described multifunctional membrane, be positioned at the backlight module of light guide plate one side for the lamp source, the diffusion region of described upper coating layer accounts for the 1/10-4/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source; Be positioned at the backlight module of light guide plate both sides for the lamp source, respectively there is a diffusion region both sides of described multifunctional membrane, and each diffusion region accounts for the 1/10-3/10 of the length of described diaphragm, and centre is the prism district.Described diffusion region account for described diaphragm length 1/10,2/10,3/10, or 4/10.Described diffusion region is the both sides near the lamp source at described multifunctional membrane.
Further, in described multifunctional membrane, described diffusion region (being diffusion coating) comprises the adhesive of 100 parts by weight, organic diffusion particle of 30-150 parts by weight and the inorganic diffusion particle of 1-10 parts by weight.The adhesive coating thickness of described diffusion region (can referred to as diffusion coating thickness) is the 1/100-80/100 of diffusion particle maximum particle diameter.The adhesive coating thickness of described diffusion region is 5/100,10/100,25/100,35/100,45/100,60/100,65/100,70/100 of diffusion particle maximum particle diameter.Described adhesive is the agent of heat curing gluing.
Further, in described multifunctional membrane, described prism district comprises micro-prism structure.The height of described micro-prism structure is 5-50 μ m, and corner angle are 90 °.Described micro-prism structure adopts UV glue (claiming again ultra-violet curing glue) to make.The principal ingredient of described UV glue is acryl resin.
Further, in described multifunctional membrane, described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.1-1 weight portion.Described adhesive is the agent of heat curing gluing.
Further, described diffusion coating comprises the adhesive of 100 parts by weight, and organic diffusion particle of 30-150 parts by weight.
Further, in described multifunctional membrane, described adhesive is the agent of heat curing gluing, and the agent of described heat curing gluing is selected from one or both the potpourri in acryl resin, urethane resin, epoxy resin.
Further, in described multifunctional membrane, described organic diffusion particle is selected from wherein a kind of of polymethylmethacrylate, poly-n-butyl methacrylate, polystyrene, polyorganosiloxane resin or at least two kinds.The particle diameter of described organic diffusion particle is 1-100 μ m.The particle diameter of described organic diffusion particle is 1-10 μ m, 20-40 μ m, 50-70 μ m, or 80-90 μ m.Further, the preferred 5-25 μ of described organic diffusion particle particle diameter m.
Further, in described multifunctional membrane, described inorganic diffusion particle is selected from the composition of a kind of in the particles such as titania, calcium carbonate, barium sulphate, silicon dioxide or at least two kinds.The particle diameter of described inorganic diffusion particle is 0.01-10 μ m.The particle diameter of described inorganic diffusion particle is 0.01-1 μ m, 2-6 μ m, or 7-9 μ m.Further, the preferred 0.05 μ m-1 μ m of described inorganic diffusion particle particle diameter.
Further, in described multifunctional membrane, the described anti-stick diffusion particle that connects is organic diffusion particle, is selected from the composition of a kind of in polymethylmethacrylate, poly-n-butyl methacrylate, polystyrene, polyorganosiloxane resin (abbreviation silicone resin) or at least two kinds.
Further, in described multifunctional membrane, described base material thickness is 50-65 μ m.Be positioned at the backlight module of light guide plate one side for the lamp source, the diffusion region of described upper coating layer accounts for the 2/10-3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source; Be positioned at the backlight module of light guide plate both sides for the lamp source, respectively there is a diffusion region both sides of described multifunctional membrane, and each diffusion region accounts for the 2/10-3/10 of the length of described diaphragm, and centre is the prism district.Described diffusion region is the both sides near the lamp source at described multifunctional membrane.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 60-65 parts by weight and the inorganic diffusion particle of 1-3 parts by weight.Described organic diffusion particle particle diameter is 5-25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 30-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5-0.6 weight portion.
Further, in described multifunctional membrane, described base material thickness is 65 μ m.The diffusion region of described upper coating layer accounts for 3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 3 parts by weight.Described organic diffusion particle particle diameter is 20-25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 15 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 35-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.6 weight portion.
Further, the base material of described multifunctional membrane is selected polycarbonate (PC), and organic diffusion particle is selected polystyrene, and inorganic diffusion particle is selected barium sulphate, and adhesive is selected acryl resin.
Further, the invention provides the method for making of above-mentioned multifunctional membrane:
(1) coating fluid of configuration diffusion coating: add diffusion particle in adhesive, after adding solvent, fully mix, obtain the diffusion layer coating fluid;
(2) prepare diffusion region: the diffusion layer coating fluid that application step on the diffusion region of transparent base (1) makes, and in baking oven aging 0.5-3 hour;
(3) prepare the prism district: glue coating on the base material that prepares diffusion region, and make micro-prism structure; The preferred UV glue of described glue;
(4) the lower protective finish of preparation: add the anti-stick particle that connects in adhesive, add solvent, mix; make the lower protective layer coating fluid; at the film lower surface coating lower protective layer coating fluid of step (3) gained, and put into oven ageing 0.5-3 hour, obtain described multifunctional membrane.
Further, in above-mentioned steps (1) and step (3), add appropriate solvent dilution, the quantity of solvent added is so that coating process is principle.
With the existing diaphragm for backlight module, compare, the diffusion particle in the diffusion region of multifunctional membrane provided by the invention has played atomizing light source, hides the effect of lamp shadow; Prism district Main Function is to improve front face brightness.The diffusion region of described multifunctional membrane is arranged on the low beam source, and atomizing light source, hide the lamp source effectively, and in the place away from the lamp source, front light is relatively few, and the prism district is set, and can improve front face brightness.Multifunctional membrane provided by the invention can play uniform light, hides shadow, improves the effect of brightness.Utilize the backlight module of multifunctional membrane provided by the invention to there is better brightness and uniform light.In actual applications, multifunctional membrane provided by the present invention can replace prism film and lower diffusion barrier to use.
The accompanying drawing explanation
Fig. 1 is the side light type backlight module group structure schematic diagram that the lamp source is positioned at a side;
Fig. 2 is applied to the multifunctional membrane structural representation that the lamp source is arranged in the backlight module of light guide plate one side;
Fig. 3 is the side light type backlight module group structure schematic diagram that the lamp source is positioned at both sides;
Fig. 4 is applied to the structural representation of multifunctional membrane that the lamp source is arranged in the backlight module of light guide plate both sides;
Fig. 5 is the structural representation that is applied to the multifunctional membrane of side-light backlight module provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described in detail:
As shown in Figure 1, Figure 3, the side-light backlight module is divided into two kinds, and a kind of is to only have ，Deng source, a lamp source to be positioned at light guide plate one side, another kind of for there being ，Deng source, two lamp sources to lay respectively at the light guide plate both sides.
In Fig. 1, lamp source 101 is positioned at a side of light guide plate 103,102 is reflector plate, 105 is upper diffusion barrier, 104 is multifunctional membrane provided by the invention, and in the backlight module shown in Fig. 1, the low beam source of multifunctional membrane has a diffusion region, the 1/10-4/10 that the length of diffusion region is diaphragm length, remainder is the prism district.
In Fig. 3, lamp source 301 has two, lay respectively at the both sides of light guide plate 303,302 is reflector plate, and 305 is upper diffusion barrier, and 304 is multifunctional membrane provided by the invention, in the backlight module of Fig. 3, two low beam sources of multifunctional membrane all have diffusion region, the 1/10-3/10 that the length of each diffusion region is the diaphragm total length, and remainder is the prism district.
Fig. 2 is applied to the multifunctional membrane structural representation that the lamp source is arranged in the backlight module of light guide plate one side, and wherein 201 is diffusion regions of upper coating layer, the 202 prism districts that are upper coating layer, and 203 is transparent base, 204 is lower protective finish.
Fig. 4 is applied to the multifunctional membrane structural representation that the lamp source is arranged in the backlight module of light guide plate both sides, and wherein 401 diffusion regions that are upper coating layer, be positioned at the diaphragm both sides; the 402 prism districts that are upper coating layer; be positioned in the middle of diaphragm, 403 is transparent base, and 404 is lower protective finish.
As shown in Figure 5, the invention provides a kind of multifunctional membrane that is applied to the side-light backlight module, described multifunctional membrane comprises that the upper surface of base material 51, described base material 51 is coated with coating layer 52, lower surface is coated with lower protective finish 53; Described upper coating layer is comprised of diffusion region 521 and prism district 522.Described diffusion region 521 is diffusion coating, and described diffusion coating comprises adhesive 5211, organic diffusion particle 501 and inorganic diffusion particle 502; Described organic diffusion particle 501 and inorganic diffusion particle 502 are bonded in the surface of described base material 51 by adhesive 5211.
Prepare multifunctional membrane according to method provided by the invention.Test in the following manner the optical property of gained multifunctional membrane.
Brightness and all neat degree tests: the multifunctional membrane to be measured of getting an A4 paper size, put into the definite backlight module of structure, light under the voltage of 24V, with briliancy instrument (product type is BH-7, and Suzhou Fu Shida scientific instrument company limited produces), test its brightness and all spend together.All spend together, also claim the luminous intensity distribution uniformity coefficient.
Hiding rare test: get the diffusion barrier sheet to be measured of an A4 paper size, be placed on the backlight module of having lighted, observe its hiding rare situation.
Embodiment 1
Prepare multifunctional membrane according to method provided by the invention, select transparent polycarbonate film as base material, described base material thickness is 80 μ m, in base material low beam source coating diffusion region, the adhesive that comprises 100 parts by weight in described diffusion region, organic diffusion particle of 60 parts by weight and the inorganic diffusion particle of 1 parts by weight, described organic diffusion particle is polystyrene resin, particle diameter is 10 μ m, described inorganic diffusion particle is titania, particle diameter is 1 μ m, described diffusion region coating thickness is 5 μ m, diffusion region length is 2/10 of multi-function membrane overall length.In base material far lamp source coating prism district, in described prism district, the rib height is 10-15 μ m, and corner angle are 90 °.
Described multi-function membrane is applied to the backlight module that the lamp source is positioned at a side.
Embodiment 2
Adopt said method to prepare multifunctional membrane.Select transparent polycarbonate film as base material, described base material thickness is 100 μ m, in base material low beam source coating diffusion region, organic diffusion particle of the adhesive that comprises 100 parts by weight in described diffusion region, 65 parts by weight and the inorganic diffusion particle of 5 parts by weight, described organic diffusion particle is the PMMA resin, particle diameter is 8-15 μ m, described inorganic diffusion particle is titania, particle diameter is 1-3 μ m, described diffusion region coating thickness is 8 μ m, and diffusion region length is 1/10 of multi-function membrane overall length.In base material far lamp source coating prism district, in described prism district rib high be 25 μ m, corner angle are 90 °.
Described multi-function membrane is applied to the backlight module that the lamp source is positioned at a side.
Embodiment 3
Adopt said method to prepare multifunctional membrane.Select the PET transparent membrane as base material, described base material thickness is 200 μ m, in base material low beam source coating diffusion region, organic diffusion particle of the adhesive that comprises 100 parts by weight in described diffusion region, 85 parts by weight and the inorganic diffusion particle of 2 parts by weight, described organic diffusion particle is the PMMA resin, particle diameter is 25-30 μ m, described inorganic diffusion particle is titania, particle diameter is 5 μ m, described diffusion region coating thickness is 15 μ m, and diffusion region length is 1/10 of multi-function membrane overall length.In base material far lamp source coating prism district, in described prism district rib high be 15 μ m, corner angle are 90 °.
Described multi-function membrane is applied to the backlight module that the lamp source is positioned at a side.
Embodiment 4
Adopt said method to prepare multifunctional membrane.Select the PC transparent membrane as base material, described base material thickness is 300 μ m, in base material low beam source coating diffusion region, the adhesive that comprises 100 parts by weight in described diffusion region, organic diffusion particle of 60 parts by weight and the inorganic diffusion particle of 1 parts by weight, described organic diffusion particle is polystyrene resin, particle diameter is 10 μ m, described inorganic diffusion particle is titania, particle diameter is 1 μ m, described diffusion region coating thickness is 5 μ m, diffusion region lays respectively at the two ends of multifunctional membrane, the length of each diffusion region is 2/10 of multi-function membrane overall length.In base material far lamp source coating prism district, in described prism district, the rib height is 10-15 μ m, and corner angle are 90 °.
Described multi-function membrane is applied to the backlight module that the lamp source is positioned at both sides.
Embodiment 5
Adopt said method to prepare multifunctional membrane.Select the PC transparent membrane as base material, described base material thickness is 50 μ m, in base material low beam source coating diffusion region, the adhesive that comprises 100 parts by weight in described diffusion region, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 5 parts by weight, described organic diffusion particle is the PMMA resin, particle diameter is 8-15 μ m, described inorganic diffusion particle is titania, particle diameter is 1-3 μ m, described diffusion region coating thickness is 8 μ m, diffusion region lays respectively at the two ends of multifunctional membrane, the length of each diffusion region is 1/10 of multi-function membrane overall length.In base material far lamp source coating prism district, in described prism district rib high be 25 μ m, corner angle are 90 °.
Described multi-function membrane is applied to the backlight module that the lamp source is positioned at both sides.
Embodiment 6
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 10 μ m, and the diffusion region of described upper coating layer accounts for 4/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.
Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 30 parts by weight and the inorganic diffusion particle of 1 parts by weight.The particle diameter of described organic diffusion particle is 1 μ m-5 μ m.The particle diameter of described inorganic diffusion particle is 0.01-1 μ m.Described diffusion region coating thickness is 4 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 5-10 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.1 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 7
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 300 μ m, and the diffusion region of described upper coating layer accounts for 1/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.
Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 150 parts by weight and the inorganic diffusion particle of 10 parts by weight.The particle diameter of described organic diffusion particle is 100 μ m.The particle diameter of described inorganic diffusion particle is 10 μ m.Described diffusion region coating thickness is 50 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 40-50 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 1 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 8
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 150 μ m, and the diffusion region of described upper coating layer accounts for 2/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.
Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 90 parts by weight and the inorganic diffusion particle of 6 parts by weight.The particle diameter of described organic diffusion particle is 50 μ m-60 μ m.The particle diameter of described inorganic diffusion particle is 4-6 μ m.Described diffusion region coating thickness is 6 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 20-30 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 9
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 10 μ m, and described multifunctional membrane respectively has a diffusion region in the both sides near the lamp source, each diffusion region account for described diaphragm length 3/10, centre is the prism district.
Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 30 parts by weight and the inorganic diffusion particle of 1 parts by weight.The particle diameter of described organic diffusion particle is 1 μ m-10 μ m.The particle diameter of described inorganic diffusion particle is 0.01-1 μ m.Described diffusion region coating thickness is 1-5 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 5-10 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.1 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at the light guide plate both sides.
Embodiment 10
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 300 μ m, and described multifunctional membrane respectively has a diffusion region in the both sides near the lamp source, each diffusion region account for described diaphragm length 1/10, centre is the prism district.
Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 150 parts by weight and the inorganic diffusion particle of 10 parts by weight.The particle diameter of described organic diffusion particle is 80 μ m-100 μ m.The particle diameter of described inorganic diffusion particle is 8-10 μ m.Described diffusion region coating thickness is 10-20 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 40-50 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 1 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at the light guide plate both sides.
Embodiment 11
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 150 μ m, and described multifunctional membrane respectively has a diffusion region in the both sides near the lamp source, each diffusion region account for described diaphragm length 2/10, centre is the prism district.
Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 90 parts by weight and the inorganic diffusion particle of 5 parts by weight.The particle diameter of described organic diffusion particle is 50 μ m-60 μ m.The particle diameter of described inorganic diffusion particle is 5-6 μ m.Described diffusion region coating thickness is 10-20 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 20-30 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at the light guide plate both sides.
Embodiment 12
In described multifunctional membrane, described base material thickness is 50 μ m.The diffusion region of described upper coating layer (being diffusion coating) accounts for 2/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source; Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 60 parts by weight and the inorganic diffusion particle of 1 parts by weight.Described organic diffusion particle particle diameter is 5-10 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 4-5 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 30-35 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 13
In described multifunctional membrane, described base material thickness is 65 μ m.The diffusion region of described upper coating layer accounts for 3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 3 parts by weight.Described organic diffusion particle particle diameter is 20-25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 15 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 35-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.6 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 14
In described multifunctional membrane, described base material thickness is 60 μ m.The diffusion region of described upper coating layer accounts for 2/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 63 parts by weight and the inorganic diffusion particle of 2 parts by weight.Described organic diffusion particle particle diameter is 15-20 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 10 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 30-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 15
Prepare according to the method described above multifunctional membrane.In described multifunctional membrane, described base material thickness is 50 μ m.Respectively there is a diffusion region both sides of described multifunctional membrane, each diffusion region account for described diaphragm length 2/10, centre is the prism district.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 60 parts by weight and the inorganic diffusion particle of 1 parts by weight.Described organic diffusion particle particle diameter is 5-10 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 4-5 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 30-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at the light guide plate both sides.
Embodiment 16
Prepare according to the method described above multifunctional membrane.In described multifunctional membrane, described base material thickness is 65 μ m.Respectively there is a diffusion region both sides of described multifunctional membrane, each diffusion region account for described diaphragm length 3/10, centre is the prism district.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 3 parts by weight.Described organic diffusion particle particle diameter is 25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 3 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 30-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at the light guide plate both sides.
Embodiment 17
Prepare according to the method described above multifunctional membrane.In described multifunctional membrane, described base material thickness is 60 μ m.Respectively there is a diffusion region both sides of described multifunctional membrane, each diffusion region account for described diaphragm length 2/10, centre is the prism district.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 63 parts by weight and the inorganic diffusion particle of 2 parts by weight.Described organic diffusion particle particle diameter is 10-20 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 5-8 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 30-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at the light guide plate both sides.
Embodiment 18
Adopt said method to prepare multifunctional membrane.In described multifunctional membrane, described base material thickness is 65 μ m.The diffusion region of described upper coating layer accounts for 3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 3 parts by weight.Described organic diffusion particle particle diameter is 20-25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 15 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 35-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.6 weight portion.
The base material of described multifunctional membrane is selected polycarbonate, and organic diffusion particle is selected polystyrene, and inorganic diffusion particle is selected barium sulphate, and adhesive is selected acryl resin.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 19
Adopt said method to prepare multifunctional membrane.In described multifunctional membrane, described base material thickness is 65 μ m.The diffusion region of described upper coating layer accounts for 3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 3 parts by weight.Described organic diffusion particle particle diameter is 20-25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 15 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 35-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.6 weight portion.
The base material of described multifunctional membrane is selected PET, and organic diffusion particle is selected polystyrene, and inorganic diffusion particle is selected barium sulphate, and adhesive is selected heat-curable epoxy resin.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 20
Adopt said method to prepare multifunctional membrane.In described multifunctional membrane, described base material thickness is 65 μ m.The diffusion region of described upper coating layer accounts for 3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 65 parts by weight and the inorganic diffusion particle of 3 parts by weight.Described organic diffusion particle particle diameter is 20-25 μ m.Described inorganic diffusion particle particle diameter is 0.05-1 μ m.Described diffusion region coating thickness is 15 μ m.Described prism district comprises micro-prism structure.The height of described micro-prism structure is 35-40 μ m, and corner angle are 90 °.Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.6 weight portion.
The base material of described multifunctional membrane is selected PET, and organic diffusion particle is selected polystyrene, and inorganic diffusion particle is selected titania, and adhesive is selected urethane resin.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 21
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 50 μ m, and the diffusion region of described upper coating layer accounts for 4/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.
Described diffusion coating comprises the adhesive of 100 parts by weight, and organic diffusion particle of 30 parts by weight.The particle diameter of described organic diffusion particle is 1 μ m-5 μ m.Described diffusion region coating thickness is 4 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 5-10 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.1 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 22
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 300 μ m, and the diffusion region of described upper coating layer accounts for 1/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.
Described diffusion coating comprises the adhesive of 100 parts by weight and organic diffusion particle of 150 parts by weight.The particle diameter of described organic diffusion particle is 100 μ m.Described diffusion region coating thickness is 50 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 40-50 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 1 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Embodiment 23
Adopt said method to prepare multifunctional membrane.In multifunctional membrane, described base material thickness is 150 μ m, and the diffusion region of described upper coating layer accounts for 2/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source.
Described diffusion coating comprises the adhesive of 100 parts by weight and organic diffusion particle of 90 parts by weight.The particle diameter of described organic diffusion particle is 50 μ m-60 μ m.Described diffusion region coating thickness is 6 μ m.
Described prism district comprises micro-prism structure.The height of described micro-prism structure is 20-30 μ m, and corner angle are 90 °.
Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5 weight portion.
Above-mentioned multifunctional membrane is applied to the backlight module that the lamp source is positioned at light guide plate one side.
Comparative Examples 1:
Ordinary diffuser, comprise base material, the upper surface of base material is coated with diffusion coating, diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 60 parts by weight and the inorganic diffusion particle of 1 parts by weight, described organic diffusion particle is polystyrene resin, and particle diameter is 10 μ m, and described inorganic diffusion particle is titania, particle diameter is 1 μ m, and described diffusion coating thickness is 5 μ m.
Comparative Examples 2:
Common prism film, the rib height is 10-15 μ m, corner angle are 90 °.
Because the lamp source is positioned at the backlight module of a side and the backlight module that the lamp source is positioned at both sides, difference is counted in the lamp source, and original brightness is also different.Below table 1 be positioned at the backlight module test number of a side for the lamp source, table 2 is positioned at the backlight module test number of both sides for the lamp source.
The optical performance test of the multifunctional membrane that table 1 embodiment of the present invention provides and Comparative Examples gained diaphragm
The optical performance test of the multifunctional membrane that table 2 embodiment of the present invention provides and Comparative Examples gained diaphragm
Optic test data in table 1, table 2 can draw, multifunctional membrane provided by the invention has the brightness close with common prismatic lens, and hiding rare is better simultaneously, without obvious lamp shadow.Especially, embodiments of the invention 13, the multifunctional membrane that 18-20 provides has better brightness, hiding rare and all spends together.Multifunctional membrane provided by the invention has the combination function of prismatic lens and lower diffusion barrier, can replace prismatic lens and lower diffusion barrier to be applied in the side-light backlight module.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Every equalization that content is done according to the present invention changes and modifies, and all is encompassed in the scope of the claims of the present invention.
Claims (10)
1. a multifunctional membrane that is applied to the side-light backlight module, is characterized in that, described multifunctional membrane comprises that the upper surface of base material, described base material is coated with coating layer, lower surface is coated with lower protective finish; Described upper coating layer is comprised of diffusion region and prism district.
2. multifunctional membrane according to claim 1, is characterized in that, described diffusion region is diffusion coating, and described diffusion coating comprises adhesive and diffusion particle, and described diffusion particle is bonded in the surface of described base material by adhesive; Described diffusion particle is organic diffusion particle, or, the potpourri that described diffusion particle is organic diffusion particle and inorganic diffusion particle.
3. multifunctional membrane according to claim 1, is characterized in that, is positioned at the backlight module of light guide plate one side for the lamp source, and the diffusion region of described upper coating layer accounts for the 1/10-4/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source;
Be positioned at the backlight module of light guide plate both sides for the lamp source, respectively there is a diffusion region both sides of described multifunctional membrane, and each diffusion region accounts for the 1/10-3/10 of the length of described diaphragm, between described diffusion region, are the prism district.
4. multifunctional membrane according to claim 2, is characterized in that, described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 30-150 parts by weight and the inorganic diffusion particle of 1-10 parts by weight.
5. multifunctional membrane according to claim 1, is characterized in that, described prism district comprises micro-prism structure.
6. multifunctional membrane according to claim 1, is characterized in that, described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.1-1 weight portion.
7. multifunctional membrane according to claim 2, is characterized in that, described diffusion coating comprises the adhesive of 100 parts by weight, and organic diffusion particle of 30-150 parts by weight.
8. multifunctional membrane according to claim 4, is characterized in that, in described multifunctional membrane, described base material thickness is 50-65 μ m; Be positioned at the backlight module of light guide plate one side for the lamp source, the diffusion region of described upper coating layer accounts for the 2/10-3/10 of described diaphragm length, and remainder is the prism district; Described diffusion region is in the side near the lamp source, and described prism district is in the side away from the lamp source;
Be positioned at the backlight module of light guide plate both sides for the lamp source, respectively there is a diffusion region both sides of described multifunctional membrane, and each diffusion region accounts for the 2/10-3/10 of the length of described diaphragm, and centre is the prism district; Described diffusion region is the both sides near the lamp source at described multifunctional membrane; Described diffusion coating comprises the adhesive of 100 parts by weight, organic diffusion particle of 60-65 parts by weight and the inorganic diffusion particle of 1-3 parts by weight, and described organic diffusion particle particle diameter is 5-25 μ m; Described inorganic diffusion particle particle diameter is 0.05-1 μ m; Described prism district comprises micro-prism structure; The height of described micro-prism structure is 30-40 μ m, and corner angle are 90 °; Described lower protective finish comprises the adhesive of 100 weight portions and the anti-stick diffusion particle that connects of 0.5-0.6 weight portion.
9. multifunctional membrane according to claim 8, is characterized in that, the base material of described multifunctional membrane is selected polycarbonate, and organic diffusion particle is selected polystyrene, and inorganic diffusion particle is selected barium sulphate, and adhesive is selected acryl resin.
10. according to the method for making of one of claim 1-9 described multifunctional membrane, it is characterized in that, described method comprises the steps:
(1) coating fluid of configuration diffusion coating: add diffusion particle in adhesive, after adding solvent, fully mix, obtain the diffusion layer coating fluid;
(2) prepare diffusion region: the diffusion layer coating fluid that application step on the diffusion region of transparent base (1) makes, and in baking oven aging 0.5-3 hour;
(3) prepare the prism district: glue coating on the base material that prepares diffusion region, and make micro-prism structure;
(4) the lower protective finish of preparation: add the anti-stick particle that connects in adhesive, add solvent, mix; make the lower protective layer coating fluid; at the film lower surface coating lower protective layer coating fluid of step (3) gained, and put into oven ageing 0.5-3 hour, obtain described multifunctional membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314668.9A CN103439830B (en) | 2013-07-23 | A kind of multifunctional membrane being applied to sidelight type backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314668.9A CN103439830B (en) | 2013-07-23 | A kind of multifunctional membrane being applied to sidelight type backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103439830A true CN103439830A (en) | 2013-12-11 |
| CN103439830B CN103439830B (en) | 2016-11-30 |
Family
ID=
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676375A (en) * | 2015-02-11 | 2015-06-03 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device comprising same |
| WO2017193421A1 (en) * | 2016-05-09 | 2017-11-16 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN108957606A (en) * | 2018-07-05 | 2018-12-07 | 深圳创维－Rgb电子有限公司 | A kind of design method and compound film sheet of compound film sheet |
| CN110261952A (en) * | 2019-08-02 | 2019-09-20 | 广州希恩朋克光电产品股份有限公司 | A kind of light guide plate and preparation method thereof |
| WO2021017249A1 (en) * | 2019-07-30 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US11842701B1 (en) | 2022-10-12 | 2023-12-12 | HKC Corporation Limited | Backlight module and display apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811561A (en) * | 2005-01-25 | 2006-08-02 | 三星电子株式会社 | Backlight assembly, method of manufacturing the same and liquid crystal display apparatus having the same |
| US20070121227A1 (en) * | 2004-07-02 | 2007-05-31 | Efun Technology Co., Ltd. | Brightness enhancement film having curved prism units and light scattering particles |
| CN101236265A (en) * | 2006-12-12 | 2008-08-06 | 三星电子株式会社 | Optical sheet and method for fabricating the same |
| CN101446656A (en) * | 2007-11-26 | 2009-06-03 | Lg电子株式会社 | Optical film and liquid crystal display including the optical film |
| CN101639201A (en) * | 2008-07-29 | 2010-02-03 | 李大焕 | Optical sheet and preparation method thereof |
| CN102364239A (en) * | 2011-10-04 | 2012-02-29 | 友达光电股份有限公司 | Optical film and backlight module using same |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070121227A1 (en) * | 2004-07-02 | 2007-05-31 | Efun Technology Co., Ltd. | Brightness enhancement film having curved prism units and light scattering particles |
| CN1811561A (en) * | 2005-01-25 | 2006-08-02 | 三星电子株式会社 | Backlight assembly, method of manufacturing the same and liquid crystal display apparatus having the same |
| CN101236265A (en) * | 2006-12-12 | 2008-08-06 | 三星电子株式会社 | Optical sheet and method for fabricating the same |
| CN101446656A (en) * | 2007-11-26 | 2009-06-03 | Lg电子株式会社 | Optical film and liquid crystal display including the optical film |
| CN101639201A (en) * | 2008-07-29 | 2010-02-03 | 李大焕 | Optical sheet and preparation method thereof |
| CN102364239A (en) * | 2011-10-04 | 2012-02-29 | 友达光电股份有限公司 | Optical film and backlight module using same |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676375A (en) * | 2015-02-11 | 2015-06-03 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device comprising same |
| WO2017193421A1 (en) * | 2016-05-09 | 2017-11-16 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN108957606A (en) * | 2018-07-05 | 2018-12-07 | 深圳创维－Rgb电子有限公司 | A kind of design method and compound film sheet of compound film sheet |
| CN108957606B (en) * | 2018-07-05 | 2021-03-30 | 深圳创维－Rgb电子有限公司 | Design method of composite diaphragm and composite diaphragm |
| US11947137B2 (en) | 2018-07-05 | 2024-04-02 | Shenzhen Skyworth-Rgb Electronic Co., Ltd | Method for composite membrane and composite membrane |
| WO2021017249A1 (en) * | 2019-07-30 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN110261952A (en) * | 2019-08-02 | 2019-09-20 | 广州希恩朋克光电产品股份有限公司 | A kind of light guide plate and preparation method thereof |
| US11842701B1 (en) | 2022-10-12 | 2023-12-12 | HKC Corporation Limited | Backlight module and display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103345011B (en) | A kind of diffusion barrier being applied to side-light backlight module | |
| CN103592706B (en) | A kind of sprayed film and backlight module thereof being applied to large-sized monitor | |
| CN102759761B (en) | Optical thin film with high covering power and high luminance and display device comprising optical thin film | |
| CN102928901B (en) | Optical diffusion barrier and preparation method thereof, and liquid crystal display device | |
| US9110207B2 (en) | Optical diffusing film and a liquid crystal display backlight using the same | |
| CN103345012B (en) | Brightening diffusion film and preparation method thereof | |
| CN102508326B (en) | Optical diffusion barrier with high haze and high brightness and liquid crystal display backlight source using optical diffusion barrier | |
| CN203336480U (en) | Optical membrane, backlight module and display device | |
| CN107340553B (en) | High-covering-capacity and high-brightness atomization film and preparation method thereof | |
| US8310631B2 (en) | Reflective polarizer with micro-beads and blue colorant | |
| WO2008016088A1 (en) | Coating solution for forming light diffusion layer, and light diffusion plate | |
| KR100909427B1 (en) | Light control film | |
| CN101542322A (en) | Condensing film for LCD backlight unit and LCD backlight unit using the same | |
| CN206301060U (en) | A kind of backlight module and display device | |
| CN112285814B (en) | High-brightness high-covering composite optical film | |
| KR20130033998A (en) | Method for manufacturing high brightness optical sheet | |
| CN103576385A (en) | Backlight module and display device | |
| CN109283605A (en) | A kind of optical diffusion and preparation method thereof of high luminance height masking | |
| KR20090052081A (en) | A prism sheet and the fabrication method, a backlight unit and a liquid crystal display device having the same | |
| CN209044236U (en) | A kind of optical model sheet, backlight module, display component and terminal | |
| CN205049840U (en) | Double-sided display module with optical functional film | |
| CN103439830A (en) | Multifunctional film applied to side-light type backlight module | |
| CN103439830B (en) | A kind of multifunctional membrane being applied to sidelight type backlight module | |
| CN104570174A (en) | Ultraviolet blocking optical diffusion structure and ultraviolet blocking backlight product | |
| KR100980068B1 (en) | Multi-functional optic film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 315040, No. 9, crystal Road, Ningbo hi tech Development Zone, Zhejiang, Ningbo Applicant after: Ningbo Exciton Technology Co., Ltd. Address before: 315040, Lingyun Industrial Park, No. 1177 Lingyun Road, Ningbo high tech Zone, Zhejiang, 5 Applicant before: Ningbo Exciton Technology Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |