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Liquid ejection apparatuses, method for forming dots, method for forming identification code, and method for manufacturing electro-optic devices

A technology of liquid droplets and ejection parts, which is applied in the direction of devices for coating liquid on the surface, optics, electric light sources, etc., and can solve the problems of increasing processing steps and increasing the number of manufacturing steps

Inactive Publication Date: 2006-10-04
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, increasing the number of pattern processing steps for forming partition walls may increase the number of manufacturing steps.

Method used

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  • Liquid ejection apparatuses, method for forming dots, method for forming identification code, and method for manufacturing electro-optic devices
  • Liquid ejection apparatuses, method for forming dots, method for forming identification code, and method for manufacturing electro-optic devices
  • Liquid ejection apparatuses, method for forming dots, method for forming identification code, and method for manufacturing electro-optic devices

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Embodiment Construction

[0033] Below, refer to Figure 1 to Figure 12 , the first embodiment for carrying out the present invention will be specifically described.

[0034] First, a liquid crystal display device as an electro-optical device having an identification code formed using the droplet discharge device of the present invention will be described.

[0035] exist figure 1 Among them, a liquid crystal display module 1 incorporated in a liquid crystal display device includes a square-shaped light-transmitting transparent glass substrate 2 (hereinafter simply referred to as substrate 2 ). In this embodiment, in figure 1 In , the longitudinal direction (horizontal direction) of the substrate 2 is defined as the X direction, and the direction perpendicular to the X direction is defined as the Y direction.

[0036] In substantially the center of the surface 2 a of the substrate 2 , a quadrangular display portion 3 s is formed. The color filter substrate 3 is pasted on the display portion 3s (refe...

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PUM

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Abstract

A liquid ejection apparatus includes an ejecting portion that ejects a liquid droplet containing dot forming material onto a dot forming section defined on an ejection target surface. A radiating portion radiates an energy beam onto the ejection target surface for at least partially suppressing spreading of the liquid droplet in a wet state beyond the corresponding dot forming section. That is, by drying the liquid droplet, the shape of a dot is adjusted with improved accuracy.

Description

technical field [0001] The present invention relates to a droplet ejection device, a dot forming method, a marking code forming method, and a manufacturing method of an electro-optical device. Background technique [0002] Conventionally, an electro-optical device such as a liquid crystal display device or an organic electroluminescent display device (organic EL display device) is equipped with a transparent glass substrate (hereinafter, simply referred to as a substrate) for displaying an image. On such a substrate, an identification code (for example, a two-dimensional code) for encoding manufacturing information such as a manufacturing unit or a product number is formed for the purpose of quality control or manufacturing management. Such an identification code has dots of a recognizable shape (for example, a colored film or a concave portion) required for reproducing the entire code in a part of the arrayed dot formation area (data unit). Based on the presence or absence...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J3/407B41J2/01B41M7/00B05D3/06G02F1/1333H05B33/10
CPCB41J11/002G02F2001/133374G02F1/133514G02F1/1303G02F1/133374B41J11/0021F24C7/065F24C7/043F24C7/081
Inventor 三浦弘纲
Owner SEIKO EPSON CORP