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Method of forming uneven structure on substrate and method for manufacturing mold

A concave-convex structure and substrate technology, which can be used in home appliances, other home appliances, optics, etc., can solve problems that easily affect display quality and brightness fading

Active Publication Date: 2016-03-09
UBRIGHT OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, people use portable electronic devices at close range, and the phenomenon of rainbow patterns is likely to affect the display quality
Traditionally, the backside of the substrate is designed with high haze to reduce the above-mentioned optical defects, but the luminance also declines accordingly

Method used

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  • Method of forming uneven structure on substrate and method for manufacturing mold
  • Method of forming uneven structure on substrate and method for manufacturing mold
  • Method of forming uneven structure on substrate and method for manufacturing mold

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Embodiment Construction

[0069] This description is of the best mode currently contemplated for carrying out the invention. The invention is described herein with reference to various embodiments and drawings. This description has been produced to illustrate the general principles of the invention and should not be executed in a limiting sense. Those skilled in the art will understand that changes and improvements can be made by virtue of these teachings without departing from the scope and spirit of the invention. The scope of the invention is best understood with reference to the scope of the claims.

[0070] The invention relates to a diffusion prism substrate with functions of light collimation and light diffusion. More particularly, the present invention is directed to optical substrates having structured surfaces that enhance brightness or brightness by collimating light and enhancing light diffusion. In one aspect of the invention, the optical substrate is in the form of an optical substrate...

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Abstract

This invention discloses a method of forming an uneven structure on a substrate. Use a hard tool to penetrate into a mold to cut a first trench and a second trench in an order on a surface of a mold, wherein the hard tool has a smoothly-curved shape such that the transverse width of each of the first trench and the second trench increases as the penetrating depth of the hard tool increases, wherein when each of the first trench and the second trench marches along a first direction, the penetrating depth of the hard tool is controlled by repeating moving the hard tool up and down to cut the mold such that the transverse width of each of the first trench and the second trench varies according to the controlled penetrating depth of the hard tool, wherein the first trench and the second trench completely overlap with each other with no space therebetween. Then, use the surface of the mold to emboss a thin film on a substrate.

Description

technical field [0001] The present invention relates to optical substrates with structured surfaces, in particular to optical substrates for brightness enhancement and diffusion, and more particularly to brightness enhancement and diffusion substrates for use in flat panel displays with planar light sources. Background technique [0002] Flat panel display technology is generally used in television monitors, computer monitors and portable electronic displays (such as mobile phones, personal digital assistants (PDAs), digital cameras, digital tablets, etc.). A liquid crystal display (LCD) is a flat panel display that displays liquid crystal (LC) modules with an array of pixels to image images. [0003] figure 1 An example of an LCD display is shown. The backlit LCD 10 includes a liquid crystal (LC) display module 12 , a planar light source in the form of a backlight module 14 , and a number of optical films sandwiched between the LC module 12 and the backlight module 14 . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/02G02B5/04G02B3/00G02F1/13357B29C59/02
CPCB29C59/022B29L2011/00B29L2011/0016G02B3/0031G02B5/045G02F1/133606G02F1/133607
Inventor 杨景安邱威泰潘汉聪
Owner UBRIGHT OPTRONICS CORP
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