CN202563116U

CN202563116U - Net-spot-mixed bar light guide plate

Info

Publication number: CN202563116U
Application number: CN2012202614540U
Authority: CN
Inventors: 殷素峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-28
Filing date: 2012-05-28
Publication date: 2012-11-28
Anticipated expiration: 2022-05-28

Abstract

The utility model discloses a net-spot-mixed bar light guide plate. The light guide plate includes a light guide plate body as well as a plurality of convex spot bars and convex strips. The convex spot bars and the convex strips are arranged alternatively on the light guide plate body to form a net-spot-mixed bar structure; each convex spot bar includes a plurality of convex spots; the arrangement density of the convex spots in the same convex spot bar is increased gradually from the left end to the right end of the light guide plate body; and the width of the convex strips is increased gradually from the left end to the right end of the light guide plate body. According to the net-spot- mixed bar light guide plate provided by the utility model, the convex spot bars and the convex strips are arranged alternatively to form the net-spot-mixed bar structure, and the arrangement density of the convex spots and the width of the convex strips are both decreased from the left end to the right end of the light guide plate body, and therefore, on the one hand, melt viscosity can be decreased when the net-spot-mixed bar light guide plate is in injection molding to improve a mold filling ability so as to enable the net-spot-mixed bar light guide plate to be thinner, and on the other hand, after reflected and diffused, the light emitted by a lamp source can be distributed on each area of the light guide plate body more evenly.

Description

Site mixing formula LGP

Technical field

The utility model relates to a kind of LGP, relates more specifically to a kind of distribution of light site mixing formula LGP more uniformly that makes.

Background technology

Along with constant development of economy, the continuous progress of society and the continuous lifting of scientific and technological level; For people's life provides various consumer goods; People's material conditions have been enriched; Thereby for the living standard that improves people is created good condition, wherein, digital electronic goods are exactly a kind of in many consumer goods.

Along with constantly popularizing of digital electronic goods, quickened the use amount of digital electronic goods to electronic display, correspondingly increase the required amount of LGP, thereby made LGP more and more receive the favor of production firm.

As everyone knows, LGP is the acryl sheet material that utilizes optical grade, then with having the high reflectivity and the high-tech material of extinction not, stamps in the acryl sheet material bottom surface of optical grade that salient point forms.Wherein, utilize optical grade acryl sheet material to draw the light that sends by the lamp source, make the light of being drawn in the surperficial stop of optical grade acryl sheet material; And when light was mapped to each salient point, light penetrated by LGP is positive just by the salient point reflection and toward all angles diffusion then, thereby the purpose that the light that the lamp source is sent transmits.

Yet; Salient point on the existing LGP is to be distributed in uniformly on the body of LGP; And because the lamp source is positioned at a side place of LGP, thus bright and clear near one side place, lamp source of LGP made, and the insufficient light away from one side place, lamp source of LGP; Thereby making that light is extremely uneven by the reflection of each salient point and toward the light that obtains after all angles spread in LGP distribution everywhere, also is uneven thereby cause electronic display Luminance Distribution everywhere; Simultaneously; When existing LGP injection mo(u)lding, the structural design of existing LGP make it make when injection mo(u)lding that the viscosity of melt is high and cause fill mould can be low, so make existing LGP do thickly; When existing LGP molds when ultra-thin, be extremely difficult.

Therefore, be bursting to and ask a kind of site mixing formula LGP to overcome above-mentioned defective.

The utility model content

The purpose of the utility model provides a kind of site mixing formula LGP; This site mixing formula LGP can reduce the viscosity of melt and improve the mould ability of filling when injection mo(u)lding; Making existing defective of filling mould difficulty when ultra-thin to overcome existing LGP; Simultaneously, also make distribution of light evenly to guarantee electronic display brightness uniformity everywhere.

To achieve these goals; The utility model provides a kind of site mixing formula LGP; Comprise light conducting plate body and some salient points row and raised line; Said salient point row is the formation site mixing formula structure on the said light conducting plate body that is arranged in turn with said raised line; And some salient points are drawn together in each said salient point package, and the arranging density of the salient point among the same said salient point row is the layout that increases gradually along left end to the right-hand member direction of said light conducting plate body, and the width of said raised line is the setting that increases gradually along left end to the right-hand member direction of said light conducting plate body.

Preferably, each said salient point row makes that to a said raised line should be arranged the site mixing formula structure that forms is better.Particularly, said salient point row and raised line all are equally spaced and are arranged on the said light conducting plate body.

Preferably; Said raised line is a triangular structure, and said salient point is a hemispherical dome structure, the reduction of the melt viscosity of being more convenient for and more can improve the mould ability of filling; Also be convenient to the moulding of raised line and salient point simultaneously, and the injection mo(u)lding of being convenient to reflection, diffusion and the utility model site mixing formula LGP of light.Particularly, said raised line is an isosceles triangular structure, increases the effect of the reflection and the diffusion of light to greatest extent.

Compared with prior art; The utility model site mixing formula LGP is the formation site mixing formula that is provided with structure in turn by salient point row with raised line; And the arranging density of salient point and the width of raised line all are the setting that increases gradually along left end to the right-hand member direction of light conducting plate body; So when the injection mo(u)lding of the utility model site mixing formula LGP, the melt in the mould that is used for injection mo(u)lding the utility model site mixing formula LGP that is arranged so that of this site mixing formula structure produces velocity contrast in flow plane, thereby causes shear heat; Melt viscosity is reduced; The reduction of melt viscosity then can improve fills the mould ability, thereby makes the utility model site mixing formula LGP do thinlyyer, overcomes existing LGP effectively and is making existing defective of filling mould difficulty when ultra-thin; Simultaneously; Also make light conducting plate body near the light reflection at the left end place in lamp source and spread less; And the light reflection and the diffusion away from the right-hand member place in lamp source of light conducting plate body are big; Thereby making light guide body reflect everywhere and spreading the light that obtains is very evenly, thereby makes that electronic display brightness uniformity everywhere is fabulous.

Description of drawings

Fig. 1 is the front view of the utility model site mixing formula LGP.

Fig. 2 is the upward view of site mixing formula LGP shown in Figure 1.

Fig. 3 is the enlarged drawing of A part among Fig. 2.

Embodiment

See also Fig. 1, Fig. 1 has showed the front view of the utility model site mixing formula LGP, and combines Fig. 2 and Fig. 3, and the structure of the utility model site mixing formula LGP 100 is elaborated.Wherein, the site mixing formula LGP 100 of the utility model comprises laminal light conducting plate body 10 and some salient points row 20 and raised line 30.Said salient point row 20 is being arranged on the said light conducting plate body 10 and making said salient point row 20 form site mixing formula structure with said raised line 30 in turn with said raised line 30; And each said salient point row 20 comprises some salient points 21; The arranging density of the salient point 21 among the same said salient point row 20 is the layout that increases gradually along left end to the right-hand member direction of said light conducting plate body 10, and the width of said raised line 30 is the setting that increases gradually along left end to the right-hand member direction of said light conducting plate body 10.Particularly; In the present embodiment; This salient point row 20 quantity is corresponding with the width of light conducting plate body 10, and the quantity of the salient point 21 among the same salient point row 20 is corresponding with the length of light conducting plate body 10, and the quantity of raised line 30 also is corresponding with the width of light conducting plate body 10.More specifically, as follows:

Than the superior, each 20 couples of said salient point row should have a said raised line 30, makes that the site mixing formula structure that forms is better; Particularly; Said salient point row 20 all is equally spaced with raised line 30 and is arranged on the said light conducting plate body 10; During in injection mo(u)lding, melt viscosity is reduced at the utility model site mixing formula LGP 100, the reduction of melt viscosity then can improve the mould ability of filling; Thereby make the utility model site mixing formula LGP 100 do ultra-thinly; Simultaneously, can also make light that the light that sent by the lamp source obtains by salient point 21 and raised line 30 reflections and after all angles diffusion to greatest extent, more a step guarantee electronic display brightness uniformity everywhere being more evenly distributed of light conducting plate body 10.

Simultaneously, said raised line 30 is a triangular structure, and said salient point 21 is a hemispherical dome structure, and the moulding of raised line 30 and salient point 21 also is convenient in the reduction of the melt viscosity of being more convenient for and more can improve the mould ability of filling simultaneously, and reflection and the diffusion of being convenient to light.Particularly, in the present embodiment, said raised line 30 is an isosceles triangular structure, goes to improve with the viscosity that reduces melt to greatest extent and fills the mould ability, can also increase the effect of the reflection and the diffusion of light.

Compared with prior art; The utility model site mixing formula LGP 100 is the formation site mixing formula that is provided with structure in turn by salient point row 20 with raised line 30; And the width of the arranging density of salient point 21 and raised line 30 all is the setting that increases gradually along left end to the right-hand member direction of light conducting plate body 10; So when 100 injection mo(u)ldings of the utility model site mixing formula LGP, the melt in the mould that is used for injection mo(u)lding the utility model site mixing formula LGP 100 that is arranged so that of this site mixing formula structure produces velocity contrast in flow plane, thereby causes shear heat; Melt viscosity is reduced; The reduction of melt viscosity then can improve fills the mould ability, thereby makes the utility model site mixing formula LGP 100 do thinlyyer, overcomes existing LGP effectively and is making existing defective of filling mould difficulty when ultra-thin; Simultaneously; Also make light conducting plate body 10 near the light reflection at the left end place in lamp source and spread less; And the light reflection and the diffusion away from the right-hand member place in lamp source of light conducting plate body 10 are big; Thereby making light guide body 10 reflect everywhere and spreading the light that obtains is very evenly, thereby makes that electronic display brightness uniformity everywhere is fabulous.

The above disclosed preferred embodiments that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.

Claims

1. site mixing formula LGP; It is characterized in that; Comprise light conducting plate body and some salient points row and raised line; Said salient point row is the formation site mixing formula structure on the said light conducting plate body that is arranged in turn with said raised line; And some salient points are drawn together in each said salient point package, and the arranging density of the salient point among the same said salient point row is the layout that increases gradually along left end to the right-hand member direction of said light conducting plate body, and the width of said raised line is the setting that increases gradually along left end to the right-hand member direction of said light conducting plate body.

2. site mixing formula LGP according to claim 1 is characterized in that, each said salient point row is to there being a said raised line.

3. site mixing formula LGP according to claim 1 and 2 is characterized in that, said salient point row and raised line all are equally spaced and are arranged on the said light conducting plate body.

4. site mixing formula LGP according to claim 3 is characterized in that said raised line is a triangular structure, and said salient point is a hemispherical dome structure.

5. site mixing formula LGP according to claim 4 is characterized in that said raised line is an isosceles triangular structure.