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

Light guide plate and preparation method thereof

A light guide plate and substrate technology, applied in the field of light guide plate, can solve the problems of light guide plate material and structure singleness, inability to scatter light uniformly, short service life, etc., to achieve improved thermal stability, improved scattering efficiency, and improved corrosion resistance Effect

Inactive Publication Date: 2019-09-20
广州希恩朋克光电产品股份有限公司
View PDF36 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing light guide plate has a single raw material and structure, poor stability, short service life, easy aging, low scattering rate, and cannot evenly scatter the exported light. It needs to be equipped with an additional astigmatism sheet, resulting in additional costs.

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
  • Light guide plate and preparation method thereof
  • Light guide plate and preparation method thereof
  • Light guide plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figure 1-2 As shown, a light guide plate includes a substrate 1, and a raised portion 2 is respectively provided on both sides of the substrate 1, and the raised portion 2 is integrally formed with the substrate 1, and one side of the raised portion 2 is chamfered. Setting, the chamfering position of the raised portion 2 is provided with a U-shaped mounting hole 3, and the bottom of the substrate 1 is rectangularly arranged with grooves 4, and the cross section of the groove 4 is arranged in a semicircle, so The bottom of the substrate 1 is provided with a PVC glue layer 5 , and the surface of the PVC glue layer 5 is covered with a polymethyl methacrylate particle layer 6 .

[0027] The particle size of the particles in the polymethyl methacrylate particle layer 6 is 0.2-1.2 mm.

[0028] The roughness Ra of the upper surface of the substrate 1 is less than 0.1um.

[0029] The substrate is made of the following materials according to the ratio of parts by mass...

Embodiment 2

[0041] Such as Figure 1-2 As shown, a light guide plate includes a substrate 1, and a raised portion 2 is respectively provided on both sides of the substrate 1, and the raised portion 2 is integrally formed with the substrate 1, and one side of the raised portion 2 is chamfered. Setting, the chamfering position of the raised portion 2 is provided with a U-shaped mounting hole 3, and the bottom of the substrate 1 is rectangularly arranged with grooves 4, and the cross section of the groove 4 is arranged in a semicircle, so The bottom of the substrate 1 is provided with a PVC glue layer 5 , and the surface of the PVC glue layer 5 is covered with a polymethyl methacrylate particle layer 6 .

[0042] The particle size of the particles in the polymethyl methacrylate particle layer 6 is 0.2-1.2 mm.

[0043] The roughness Ra of the upper surface of the substrate 1 is less than 0.1um.

[0044] The substrate is made of the following materials according to the ratio of parts by mass...

Embodiment 3

[0056] Such as Figure 1-2 As shown, a light guide plate includes a substrate 1, and a raised portion 2 is respectively provided on both sides of the substrate 1, and the raised portion 2 is integrally formed with the substrate 1, and one side of the raised portion 2 is chamfered. Setting, the chamfering position of the raised portion 2 is provided with a U-shaped mounting hole 3, and the bottom of the substrate 1 is rectangularly arranged with grooves 4, and the cross section of the groove 4 is arranged in a semicircle, so The bottom of the substrate 1 is provided with a PVC glue layer 5 , and the surface of the PVC glue layer 5 is covered with a polymethyl methacrylate particle layer 6 .

[0057] The particle size of the particles in the polymethyl methacrylate particle layer 6 is 0.2-1.2 mm.

[0058] The roughness Ra of the upper surface of the substrate 1 is less than 0.1um.

[0059] The substrate is made of the following materials according to the ratio of parts by mass...

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

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Roughnessaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention provides a light guide plate. The light guide plate comprises a substrate, protruding parts are respectively arranged at the upper portions of the two sides of the substrate, the protruding parts and the substrate are integrally formed, one side of each protruding part is arranged in a chamfer angle mode, U-shaped mounting holes are formed in the chamfer angle positions of the protruding parts, grooves are distributed in a rectangular array mode at the bottom of the substrate, the cross section of each groove is in a semicircular mode, a PVC (polyvinyl chloride) adhesive layer is arranged at the bottom of the substrate, and a polymethyl methacrylate granular layer covers the surface of the PVC adhesive layer. The light guide plate is good in material stability, and can enable the light passing rate to be high, improves the scattering rate of light, and guarantees that the light is uniformly distributed after penetrating the light guide plate.

Description

technical field [0001] The technical field of the present invention and a light guide plate, in particular, relates to a light guide plate with good scattering effect. Background technique [0002] The light guide plate is made of optical-grade acrylic / PC sheet, and then high-tech materials with high reflectivity and non-absorbing light are used. Laser engraving, V-shaped cross grid engraving, and UV screen printing technology are used on the bottom surface of the optical-grade acrylic sheet Print light guide dots. The optical-grade acrylic plate is used to absorb the light emitted from the lamp to stay on the surface of the optical-grade acrylic plate. When the light hits each light guide point, the reflected light will spread to all angles, and then destroy the reflection condition and be emitted from the front of the light guide plate. [0003] The existing design principle of the light guide plate is derived from the liquid crystal display screen of the notebook compu...

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
IPC IPC(8): G02B6/00
CPCG02B6/004G02B6/0043G02B6/0065
Inventor 何友杰
Owner 广州希恩朋克光电产品股份有限公司
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