Unlock instant, AI-driven research and patent intelligence for your innovation.

Efficient LED (Light-Emitting Diode) gluing and coating method

An LED chip and dispensing technology, applied in coatings, devices that apply liquid to surfaces, electrical components, etc., can solve problems such as limiting the viscosity of the colloid used for dispensing, saving up and down movement time, improving dispensing speed and Efficiency, optimizing the effect of the dispensing step

Active Publication Date: 2013-12-18
厦门多彩光电子科技有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wall thickness of the nozzle of the dispensing needle is relatively thick, which limits the viscosity of the dispensing colloid

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] The present invention will be further described in conjunction with specific embodiments.

[0024] A high-efficiency LED dispensing and coating method of the present invention includes the production of fluorescent glue and the dispensing process, specifically comprising the following steps:

[0025] Step 1: Mix the fluorescent powder and glue evenly by machine or manual stirring, and make fluorescent glue with a viscosity in the range of 100-8000Pa.s; wherein, the glue is silica gel or resin glue;

[0026] Step 2: Degas the fluorescent glue made in step 1 through a vacuum degassing machine until no bubbles emerge from the fluorescent glue;

[0027] Step 3: Pour the fluorescent glue made in step 2 into the dispensing cylinder of the dispensing coating machine, and set the dispensing steps through the control program on the dispensing coating machine, and carry out dispensing; wherein, according to the fluorescent glue The viscosity of the glue and the amount of glue to...

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 relates to an efficient LED (Light-Emitting Diode) gluing and coating method. The efficient LED gluing and coating method comprises a fluorescent glue manufacturing process and a gluing process. The efficient LED gluing and coating method comprises the following steps of: step 1, uniformly mixing fluorescent powder with mixed glue, so as to obtain fluorescent glue with the viscosity in the range of 100-8000Pa.s; step 2, de-foaming the fluorescent glue prepared in the step 1 until no bubble in the fluorescent glue occurs; step 3, pouring the fluorescent glue prepared in the step 2 into a gluing cylinder of a gluing and coating machine, setting a gluing step through a control program on the gluing and coating machine, and gluing, wherein a needle nozzle of a gluing needle head has a wall thickness ranging from 0.02 to 0.10 mm, and the thickness range of a bracket cover plate for gluing is 0.3-0.5mm; and step 4, roasting, and selecting roasting time according the viscosities of different fluorescent glue, wherein the maximum roasting time is less than or equal to 15 min. The efficient LED gluing and coating method provided by the invention is applied to the improvement of the LED gluing process.

Description

technical field [0001] The invention relates to a fluorescent glue coating method for LEDs. Background technique [0002] At present, there are many kinds of LED dispensing and coating machines on the market, and most of the dispensing methods are screw quantitative down-to-down type or quantitative pneumatic type. Regardless of the dispensing method used, the general requirements for LED dispensing and coating machines are: accuracy, consistency, high throughput, maintaining the phosphor suspension in a fluid state and surface spraying or coating. Choosing the right dispensing equipment and dispensing method is a priority factor for LED packaging companies to improve product quality and concentration. [0003] At present, the LED dispensing and coating machines commonly used in the industry are mostly automatic or semi-automatic programming. The dispensing steps are three-dimensional jogging in three-dimensional space and two-dimensional jogging in plane. Specifically: the...

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 Patents(China)
IPC IPC(8): B05D1/26B05C5/02B05C11/10H01L33/50
Inventor 郑剑飞
Owner 厦门多彩光电子科技有限公司