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Droplet ejection method, electro-optic device manufacturing method, and electronic instrument

A droplet, non-spraying technology, applied in printing and other directions, can solve problems such as uneven ink thickness, quality degradation, and deviation of ink droplet bounce position

Active Publication Date: 2009-01-14
KATEEVA DISPLAY TECH (SHAOXING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned droplet ejection method only considers the ejection amount of the ink in the drawing object area to be constant, and does not consider the falling position of the ink droplet in the drawing object area.
[0006] Therefore, in this ejection method, there is a risk that the droplet landing position on the drawing object area may be deviated or the thickness of the ink sprayed on the drawing object area may be slightly uneven, resulting in a risk of quality degradation.

Method used

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  • Droplet ejection method, electro-optic device manufacturing method, and electronic instrument
  • Droplet ejection method, electro-optic device manufacturing method, and electronic instrument
  • Droplet ejection method, electro-optic device manufacturing method, and electronic instrument

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Embodiment Construction

[0033] Next, the liquid droplet discharge method, the manufacturing method of the electro-optical device, and the electronic device of the present invention will be described with reference to the drawings.

[0034] (droplet ejection device)

[0035] FIG. 1 is a perspective view showing the configuration of a droplet ejection device.

[0036] This droplet discharge device 1 is used in the droplet discharge method according to the embodiment of the present invention. The droplet ejection device 1 includes, as main components, a control device 2 as a control mechanism according to the present invention, a head group 3 , and a stage 4 . The droplet ejection device 1 controls the operations of the head group 3 and the stage 4 through the control device 2, and ejects droplets onto the substrate 5 placed on the stage 4, and forms a predetermined pattern on the substrate 5.

[0037] The control device 2 controls the nozzle group 3 according to the droplet ejection method of the pre...

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PUM

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Abstract

In a drawing target region forming pixel on a substrate, the ejection head ejecting interval droplet while scanning. Arranging a not-ejection area no ejection droplet on the drawing target region, except the central side surrounding the drawing target region and along outside of the cofferdam peripheral.

Description

technical field [0001] The present invention relates to a droplet discharge method, a method of manufacturing an electro-optical device, and an electronic device. Background technique [0002] Electro-optical devices have been produced by a liquid droplet discharge method in which a thin film is formed on the substrate by discharging liquid droplets from an inkjet head or the like onto the substrate. Examples of electro-optical devices include display devices such as liquid crystal devices, organic electroluminescence devices (hereinafter referred to as organic EL (Electronic Luminescent electroluminescence) devices), and plasma display devices. [0003] In addition, in recent years, substrates constituting these electro-optical devices have been increasing in size, and on such large substrates, high-definition and high-precision thin-film patterning (pattern formation) using a liquid droplet discharge method is required. [0004] As such a droplet discharge method, it is k...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/01B41J2/07
Inventor 长江信明
Owner KATEEVA DISPLAY TECH (SHAOXING) LTD