CN202720355U

CN202720355U - Light guiding plate structure

Info

Publication number: CN202720355U
Application number: CN 201220323119
Authority: CN
Inventors: 王文龙; 彭仙霞
Original assignee: XIAMEN GUANGPU DISPLAY TECHNIQUE CO Ltd
Current assignee: XIAMEN GUANGPU DISPLAY TECHNIQUE CO Ltd
Priority date: 2012-07-05
Filing date: 2012-07-05
Publication date: 2013-02-06
Anticipated expiration: 2022-07-05

Abstract

The utility model discloses a light guiding plate structure, which comprises a transparent light guiding plate and a reflecting film adhered onto the light guiding plate, wherein semi-transmission and semi-reflection lattice points are distributed in matrix mode and arranged between the light guiding plate and the reflecting film, and the lattice points distributed in matrix mode are directly printed on one surface of the reflecting film and are made of adhesive sticker in printing mode. The lattice points are directly printed on the reflecting film through the adhesive sticker, the reflecting film can be printed in continuous integral rolling mode, and production efficiency is greatly improved. The light guiding plate requires no pre-printing technology so that the problem that the light guiding plate can be scraped easily and materials are wasted is solved, and production cost is reduced. In addition, the light guiding plate is well adhered to the reflecting film through the lattice points made of adhesive sticker with no gap, so that product performance is improved. The adhesive sticker is non-toxic and non-irritant and accords with the requirements for environment protection. Furthermore, by means of the manufacturing method, the printing lattice points are printed firstly, and then the light guiding plate is cut, so that a panel can be ensured to be even in lighting without accurate aligning.

Description

A kind of light conducting plate structure

Technical field

The relevant a kind of backlight field of the utility model refers to a kind of light conducting plate structure especially.

Background technology

Light guide plate is the critical component in colour liquid crystal display device background light source or the LED flat lamp, and its Main Function is to convert pointolite or line source to area source, and the quality of light guide plate quality directly affects image quality or illumination effect.In order to improve light extraction efficiency, improve the homogeneity of light diffusion, existing light guide plate generally all is to form dot matrix or grid in the reflecting surface serigraphy.

As shown in Figure 1, be traditional light conducting plate structure, it comprises transparent light guide plate 1 ' and reflectance coating 2 ', during making, first light guide plate 1 ' is cut into the size that needs, then light guide plate 1 ' is fixed on the print station, screen printing brushes out and is 11 ' the formation half transmitting district, site that matrix is arranged on light guide plate 1 ', and site 11 ' is circle or polygon; And the screen on the print station (be site like aperture) just can print after need to be good with light guide plate 1 ' contraposition; Light guide plate 1 ' after will printing is again afterwards put into baking box and is toasted, at last by double faced adhesive tape 3 ' again reflectance coating 2 ' is fitted in light guide plate 1 ' above.

But there are following shortcoming in present light conducting plate structure and manufacture craft thereof:

1, light guide plate not only needs silk-screen in operation process, also needs to put into oven for baking, so the easy scratch of light guide plate, causes the finished product yield to reduce, the waste material;

2, must just can fit together by the double faced adhesive tape of edge between light guide plate and the reflectance coating, but middle do not have the place of interior attaching double faced adhesive tape not fit together well;

3, the printing ink of net-point printing has pungency, not environmental protection;

4, owing to be to cut first light guide plate to republish the site, thus screen must with well contraposition of light guide plate, otherwise occur that the place of off normal does not have the site above the light guide plate, can make the panel non-uniform light.

The utility model content

The purpose of this utility model provides a kind of light conducting plate structure, and it can Effective Raise production efficiency, improves simultaneously the yield of finished product, reduces production costs.

For achieving the above object, solution of the present utility model is:

A kind of light conducting plate structure comprises transparent light guide plate and the reflectance coating that fits on the light guide plate, is provided with the site of the half-transmitting and half-reflecting that is the matrix arrangement between light guide plate and the reflectance coating; Wherein: the site that is the matrix arrangement is the one side that directly is printed on reflectance coating, and this site is to be printed by adhesive sticker to form.

After adopting such scheme, light conducting plate structure of the present utility model, because the site is directly to be printed on the reflectance coating by adhesive sticker to form, and reflectance coating can the entire volume continuous printing, so can greatly enhance productivity; The technique that need not print first of light guide plate is avoided the easy scratch of light guide plate in the prior art again, causes the finished product yield to reduce, and the phenomenon of waste material occurs, and has reduced production cost; In addition, can well fit together by the adhesive sticker site between light guide plate and the reflectance coating, not have the slit, thereby improve end properties; Adhesive sticker is nontoxic non-stimulated, meets environmental requirement; Moreover because the utility model is that first printing net-point cuts light guide plate again, therefore well contraposition can guarantee that panel is luminous evenly.

Description of drawings

Fig. 1 is the structural representation of traditional light guide plate;

Fig. 2 is the structural representation of the utility model light guide plate.

Embodiment

Cooperate shown in Figure 2ly, the utility model has disclosed a kind of light conducting plate structure, comprises transparent light guide plate 1 and the reflectance coating 2 that fits on the light guide plate 1, is provided with the site 3 of the half-transmitting and half-reflecting that is the matrix arrangement between light guide plate 1 and the reflectance coating 2; Key of the present utility model is: the site 3 that is the matrix arrangement is the one sides that directly are printed on reflectance coating 2, and this site 3 is to be printed by adhesive sticker to form, site 3 is circle or polygon, the effect of half-transmitting and half-reflecting is not only realized in the site 3 that so forms, and also realizes making the applying effect of reflectance coating 2 and light guide plate 1.

The concrete fabrication processing of the utility model light guide plate is:

Step 1, charging, web plate and printing machine are checked, and at first check specification, quality, viscosity, ratio, color and luster and the weight of adhesive sticker printing ink; Next checks the tension force of Printing screen, and whether Printing screen is intact not damaged; Moreover pressure, stroke and distance between plates of whether unobstructed, the flood bar angle in oxygen uptake hole, scraper angle and hardness, scraper and the web plate surface of contact of check printing machine etc. parameter.

Step 2, printing utilize printing machine to cooperate Printing screen the adhesive sticker printing ink and the one side that is printed on reflectance coating 2 forms site 3, and this reflectance coating 2 can be delivered to printing machine continuously for coiled material.

Step 3, baking are delivered to the reflectance coating 2 that is printed with site 3 65 degrees centigrade oven for baking 45 minutes.

Step 4, finished product are made, and cut out the reflectance coating 2 that cuts required size according to the size of light guide plate 1, utilize the stickiness of site 3 and make reflectance coating 2 fit in forming the finished product light conducting plate structure on the light guide plate 1.

Step 5, product inspection, packing and storage.

To sum up, light guide plate of the present utility model has following advantage:

1, because site 3 of the present utility model is directly to be printed on the reflectance coating 2 by adhesive sticker to form, and reflectance coating 2 can the entire volume continuous printing, so can greatly enhance productivity;

2, the technique that need not print first of light guide plate 1 is avoided light guide plate 1 easy scratch in the prior art, causes the finished product yield to reduce, and the phenomenon of waste material occurs, and has reduced production cost;

3, can well fit together by adhesive sticker site 3 between light guide plate 1 and the reflectance coating 2, not have the slit, thereby improve end properties;

4, adhesive sticker is nontoxic non-stimulated, meets environmental requirement;

5, because the utility model is that first printing net-point cuts light guide plate again, therefore well contraposition can guarantee that panel is luminous evenly.

Claims

1. a light conducting plate structure comprises transparent light guide plate and the reflectance coating that fits on the light guide plate, is provided with the site of the half-transmitting and half-reflecting that is the matrix arrangement between light guide plate and the reflectance coating; It is characterized in that: the site that is the matrix arrangement is the one side that directly is printed on reflectance coating, and this site is to be printed by adhesive sticker to form.