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Light guiding plate mould and its preparation method

A light guide plate and mold technology, which is applied in optics, optical components, household appliances, etc., can solve the problems of insufficient diversification and miniaturization of microstructures, unfavorable thinning of display devices, and complex structure of backlight modules, etc., and achieves a variety of grooves. optimization, low cost, and simplification of the effect of the backlight module

Inactive Publication Date: 2008-11-26
SHENZHEN JINGJIANG YUNCHUANG TECH CO LTD
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  • Abstract
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Problems solved by technology

[0013] In order to solve the technical problems of the complex structure of the backlight module in the prior art non-self-luminous flat-panel display device, which is not conducive to the thinning of the display device, the microstructure formed on the light guide plate by the traditional method is not diverse and miniaturized, and the manufacturing process is complicated and the cost is high. , the first object of the present invention is to provide a light guide plate mold that can mass-produce light guide plates that ensure the brightness and uniformity of outgoing light and simplify the backlight module

Method used

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  • Light guiding plate mould and its preparation method
  • Light guiding plate mould and its preparation method
  • Light guiding plate mould and its preparation method

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Embodiment Construction

[0027] The light guide plate mold provided by the present invention and its preparation method are illustrated below in conjunction with the accompanying drawings:

[0028] see Figure 11 , the light guide plate mold preparation method provided by the present invention comprises the following steps:

[0029] Step 10, provide an embossing machine with a plurality of indenters of different shapes; the indenters are generally made of diamond and other hard and wear-resistant materials through fine processing, and have a long service life.

[0030] The indenter has such figure 1 , image 3 , Figure 4 , Figure 5 The different pyramid or conical shapes shown may also have other shapes such as spherical or prism, which can be freely designed according to optical design requirements, and are not limited to cone, sphere or cylinder. The conical indenter can emboss a groove with a V-shaped axial section and a triangular, square or circular groove in the radial section. The cylin...

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Abstract

The present invention relates to a high-conducting plate mould and its preparation method. Said light-conducting plate mould includes a surface, on said surface a microstructure is formed, and said microstructure includes several recessed grooves whose axial sections are circular arc form and recessed grooves whose axial sections are angle form, and said two recessed grooves are arranged according to a predefined optical pattern rule. Said mould can be used for producing lots of light-conducting plates.

Description

【Technical field】 [0001] The invention relates to a light guide plate mold and a preparation method thereof. 【Background technique】 [0002] The light source of the non-self-illuminating flat-panel display (such as a liquid crystal display) comes from a flat light source module, the transmissive liquid crystal display uses a backlight module, and the reflective display uses a front light module. The backlight module is a modular structure that converts linear light sources (such as cold cathode tubes) or point light sources (such as light-emitting diodes) into planar light sources with high brightness and surface uniformity. [0003] Such as Figure 12 and Figure 13 As shown, it is the structure of a traditional backlight module: the cold cathode tube 1 is placed on the end surface of the light guide plate 2, and the reflective surface of the light guide plate 2 is formed with a high-density microstructure 3. A lower prism sheet 5, an upper prism sheet 6, and an upper dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335B29C45/26
CPCB29C33/42B29D11/0074B29L2011/0016B29C43/021B29C45/263
Inventor 中川威雄中村文夫后藤典雄李军旗
Owner SHENZHEN JINGJIANG YUNCHUANG TECH CO LTD
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