Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Large-size light guide plate with lens array and processing method thereof

A lens array and processing method technology, applied in the field of light guide plates, can solve problems such as the inability to directly produce large-size light guide plates, technical limitations of light guide plates, etc., and achieve the effect of preventing smooth forming and accurate mass production

Inactive Publication Date: 2016-06-22
苏州茂立光电科技有限公司
View PDF8 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defect that the injection molding technology in the prior art has technical limitations in the manufacture of light guide plates and cannot directly produce large-size light guide plates, and provides a large-size light guide plate with a lens array and its processing method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Large-size light guide plate with lens array and processing method thereof
  • Large-size light guide plate with lens array and processing method thereof
  • Large-size light guide plate with lens array and processing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Since injection molding and tool cutting are currently used in the field of large-size light guide plates, there are many inconveniences for microstructure processing. Therefore, how to quickly mass-produce a large-sized light guide plate with a precise lens array pattern while maintaining the quality of the light guide plate is the technical feature to be revealed by the present invention. see figure 1 , figure 2 and image 3 , which is a three-dimensional structural schematic diagram and various processing schematic diagrams of Embodiment 1 of the present invention, wherein each figure is only for the convenience of explaining the technical features of the present invention. The present invention discloses a large-sized light guide plate 1 with a lens array, including a light-incident surface 10 and a lens array 11 , so that the hot spot phenomenon of the light guide plate 1 can be alleviated through the lens array 11 .

[0055] The light incident surface 10 guides ...

Embodiment 2

[0061] see Figure 4 , Figure 5 and Figure 6 , which is a flow chart of steps and a schematic diagram of each process in Embodiment 2 of the present invention. The present invention also discloses a processing method of a large-sized light guide plate with a lens array, which can quickly mass-produce a large-scale light guide plate and maintain a very high product yield rate. The processing method includes the following steps.

[0062] In step S01 , a plurality of light guide plates 1 stacked in batches are provided, and a light incident surface 10 of each light guide plate 1 is aligned with each other to form a processing plane S. Thus, a plurality of large-sized light guide plates 1 can be processed at one time, and the production rate can be improved.

[0063] Step S02 , bombard the processing plane S with a laser beam 2 to form an arc-shaped groove 111 on each incident surface 10 and generate molten material, and the bombardment condition is defined as the radius of t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a large-size light guide plate with a lens array and a processing method thereof. The light guide plate comprises a light incident surface and the lens array. A mode of staggered connection of multiple arc grooves and multiple arc columns is formed by the lens arrays through laser fusion processing. When laser light beams impact the light incident surface, one of the arc grooves is formed and fusion material is generated. Continuous parallel shift laser light beams impact again so that another arc groove is formed. The fusion material accumulates between the adjacent arc grooves and forms the arc columns after cooling. The impact conditions are defined as that the radius of each arc groove is 35-50 microns, and the molding conditions are that the radius of each arc column is 25-40 microns after fusion cooling. The laser light beams continuously impact repeatedly until the lens array is formed. Processing time can be greatly reduced through laser processing so as to achieve the objective of mass production. Meanwhile, the lens array of the concave-convex arc connection mode can be accurately obtained.

Description

technical field [0001] The invention relates to the field of light guide plates, in particular to a large-size light guide plate and a processing method for forming a lens array through laser ablation processing. Background technique [0002] The light guide plate is commonly used in the backlight module of the display, and is used to guide light to provide a uniform surface light source for the display panel. In order to improve the uniformity and efficiency of the light output of the light guide plate, the method of setting dot microstructures on the surface of the light guide plate is traditionally used to form light output on the surface of the light guide plate by changing the light path through the microstructure. Depending on the installation position of the light source relative to the light guide plate, it can be divided into two types: side-entry type light guide plate and direct-type light guide plate. In recent years, in response to the thinner and lighter trend...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/00
CPCG02B6/0016G02B6/003G02B6/0065
Inventor 吴健君廖崑廷
Owner 苏州茂立光电科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com