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

Printhead, driving method thereof, and inkjet device

A technology of nozzles and nozzles, applied in printing devices, printing, etc., can solve the problems of small ink drop volume, uneven nozzle and ink dripping, etc., and achieve the effect of reducing nozzle clogging

Active Publication Date: 2019-01-25
BOE TECH GRP CO LTD
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, due to the narrow diameter of the nozzle tube of the nozzle and the small volume of the ink drop, the ink drop has a high surface energy characteristic, which causes the ink to block the nozzle and the ink to drip unevenly from the nozzle.

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
  • Printhead, driving method thereof, and inkjet device
  • Printhead, driving method thereof, and inkjet device
  • Printhead, driving method thereof, and inkjet device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] In order for those skilled in the art to better understand the technical solution of the present invention, the printhead, its driving method, and inkjet device provided by the present invention will be described in detail below with reference to the accompanying drawings.

[0036] figure 1 It is a schematic structural diagram of a nozzle provided in Embodiment 1 of the present invention, figure 2 for figure 1 Schematic diagram of the structure of the nozzle tube in, such as figure 1 with figure 2 As shown, the spray head includes a pressure chamber 1 and a nozzle pipe 2, the nozzle pipe 2 includes a conductive layer 21, a piezoelectric material layer 22 and a nozzle 23, the piezoelectric material layer 22 is located between the conductive layer 21 and the nozzle 23, the nozzle 23 is connected to the pressure Room 1 is connected.

[0037] Wherein, the pressure chamber 1 is loaded with the first voltage, so that the ink in the pressure chamber 1 is loaded with the ...

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 present invention provides an inkjet head and a driving method thereof, and an ink-jet device. The inkjet head comprises a conductive layer, a piezoelectric material layer and an inkjet nozzle. The piezoelectric material layer is located between the conductive layer and the inkjet nozzle, and the inkjet nozzle is communicated with a pressure chamber; a first voltage is located in the pressurechamber to allow ink in the pressure chamber to be loaded with the first voltage; and a second voltage is loaded on the conductive layer to form a voltage difference between ink flowing through the inkjet nozzle and the conductive layer, and the piezoelectric material layer is deformed under the action of the voltage difference. The inkjet head and the driving method thereof, and the ink-jet device reduce a phenomenon of an inkjet nozzle being obstructed by ink and can allow ink to be uniformly dropped out from the inkjet nozzle.

Description

technical field [0001] The invention relates to the technical field of inkjet printing, in particular to a nozzle, a driving method thereof, and an inkjet device. Background technique [0002] In the field of inkjet printing (Ink Jet Print, referred to as IJP) technology, widely used mass production equipment usually uses piezoelectric element inkjet (Drop on Demand, referred to as DOD) technology for inkjet printing, and the piezoelectric element Inkjet technology is widely used in printing industry, biotechnology and electronic parts processing industry. Among them, the IJP process has the advantages of rapidity and low cost. [0003] However, in the prior art, due to the narrow diameter of the nozzle tube of the shower head and the tiny volume of the ink droplet, the ink droplet has a high surface energy characteristic, thereby causing the ink to block the nozzle and the ink to drop unevenly from the nozzle. Contents of the invention [0004] The invention provides a ...

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): B41J2/14B41J29/38
Inventor 陈右儒
Owner BOE TECH GRP CO LTD
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