Compound type light guiding module and manufacturing method thereof

A technology of a light guide module and a manufacturing method, which is applied in the directions of light guide, optics, optical components, etc., can solve the problems of low light utilization efficiency and loss of the light guide module

Inactive Publication Date: 2013-06-19
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Let the refractive index of air , the refractive index of each component of the light guide module , according to the Fresnel formula, the reflectivity , it can be seen that at th

Method used

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  • Compound type light guiding module and manufacturing method thereof
  • Compound type light guiding module and manufacturing method thereof

Examples

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Example Embodiment

[0009] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0010] See figure 1 It discloses a light guide module 100 according to an embodiment of the present invention. The light guide module 100 includes a reflective sheet 20, a light guide plate 30, a diffusion layer 40, a brightness enhancement layer 50, and a diffusion film 60 laminated together.

[0011] The reflective sheet 20 includes a transparent substrate 21 and a reflective film 22 plated on the transparent substrate 21. The material of the transparent substrate 21 is polyester carbonate (PC), and the material of the reflective film 22 is a highly reflective material such as aluminum or sulfuric acid. barium. The diffusion film 60 is a transparent film, and diffusion particles 61 are coated on the surface of the transparent film. The material of the transparent film is, for example, polyethylene terephthalate (PET), and the material of the diffusion particles ...

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Abstract

The invention provides a compound type light guiding module which comprises a light guiding plate, a diffusion layer and a brightening layer, wherein the light guiding plate, the diffusion layer and the brightening layer are stacked in sequence, the diffusion layer is connected on the light guide plate in an adhesive mode, and the brightening layer is connected on the diffusion layer in an adhesive mode. Scattering points are formed on the surface, opposite to the diffusion layer, of the light guiding plate, the diffusion layer comprises a transparent colloid and scattering particles distributed in the transparent colloid, and a micro-structure used for brightening is formed on the surface, opposite to the diffusion layer, of the brightening layer. According to the compound type light guiding module, the light loss rate of light when the light passes through the light guiding module can be reduced. The invention meanwhile provides a manufacturing method of the light guiding module.

Description

technical field [0001] The invention relates to a composite light guide module and a manufacturing method thereof. Background technique [0002] At present, a general light guide module includes multiple components stacked together, such as reflective sheets, light guide plates, diffuser plates, and the like. When light propagates in the light guide module, because the components in the light guide module are independent of each other and stacked together, there will inevitably be gaps and air between the components, so that even if the components have the same refractive index, Light rays are also reflected / refracted at the interface between components. Let the refractive index of air , the refractive index of each component of the light guide module , according to the Fresnel formula, the reflectivity , it can be seen that at the interface of every two components, 2.7% of the light will be reflected and cannot be emitted, resulting in loss, resulting in low light ut...

Claims

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Application Information

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IPC IPC(8): G02B6/00G02B5/02G02B5/04
Inventor 余泰成林大为
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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