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Optical diaphragm structure with light scattering and concentration function

An optical film and functional technology, applied in optics, optical components, instruments, etc., can solve the problems of overall cost, working hours, environmental waste, and vulnerability to scratches

Inactive Publication Date: 2008-02-27
EXPLOIT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And because its top angle is mostly an acute angle of 90 degrees, it is easy to be scratched, so a protective film must be pasted on the surface, and then torn off when it is used, so it has a great impact on the overall cost, working hours and environment. waste

Method used

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  • Optical diaphragm structure with light scattering and concentration function
  • Optical diaphragm structure with light scattering and concentration function
  • Optical diaphragm structure with light scattering and concentration function

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Embodiment Construction

[0037] In order to make the above-mentioned purpose, functional features, and advantages of the present invention more clearly understood, the present invention will be described in detail below with preferred examples and accompanying drawings.

[0038] Please refer to Fig. 3 and shown in Fig. 4, the diffusion concentrating film 3 of the first embodiment of the present invention, it comprises a substrate 31, the diffusion concentrating layer 32 and an antistatic adhesive layer 33, the diffusion concentrating layer 32 It has a plurality of diffusing and concentrating units 32a.

[0039] The substrate 31 has an upper surface 31a and a lower surface 31b for light to pass through. The light-diffusing layer 32 can be formed by coating the surface of the base sheet 31 with UV-curable transparent polyester, and rolling a mold with a microstructure to form a plurality of light-diffusing units 32a. It is then produced by irradiating ultraviolet (UV) rays to produce polymerization and...

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Abstract

The invention relates an optical film structure with the diffusion and spotlight functions. It includes a base sheet and a diffused spotlight layer set on one side of the base sheet. The diffused spotlight layer has plural diffused spotlight units which are set one side of the diffused spotlight layer. The diffused spotlight unit has an ellipse arc surface which has a long axis and a short axis. By the surface curvature, the ratio between the long and short axis and the axial controlling, when the diffused spotlight unit refraction, the horizontal or vertical direction of the optical film has the two functions of spotlight and diffusion.

Description

technical field [0001] The present invention relates to an optical film, in particular to an optical film with dual functions of integrating diffusion and light concentrating. Background technique [0002] International Publication No. WO96 / 23649 "Prevention Of GrooveTip Deformation In Brightness Enhancement Film" discloses a concentrating film 1 as shown in Figure 1, the concentrating film 1 includes a substrate 11 and several prism cylinders 12, The prism columns 12 are arranged on the surface of the substrate 11 . The prism cylinder 12 has a first plane 12a and a second plane 12b. [0003] The light-gathering principle of the first plane 12a and the second plane 12b is to use the internal refraction of the prism column, and there will be a peak in the light-gathering brightness at a specific angle, which will cause invalid high-angle light leakage and brightness when the viewing angle changes in optical applications. If the drop is too large, when the backlight module i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/00
Inventor 许德宽曾杞良邹焕长
Owner EXPLOIT TECH
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