IP Library Granted Patent US 7,481,883
Granted Patent B2
US 7,481,883 · App. 10/842,235 · Granted Jan 27, 2009

Droplet discharge apparatus, color filter manufacturing apparatus, color filter and method of manufacture thereof, liquid crystal apparatus, and electronic apparatus

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Quick Facts
Patent No.
US 7,481,883
App. No.
10/842,235
Granted
Jan 27, 2009
Kind
B2
Abstract

A droplet discharge apparatus that forms a pattern in a desired shape on a base material being processed by discharging liquid having pattern-forming substances, includes a drawing section, inside which the base material moves in one direction, the drawing section having a plurality of droplet discharge heads that are arranged in a direction intersecting with the movement direction of the base material, a supply section for supplying the pre-drawing base material toward the drawing section and a removal section for extracting the post-drawing base material from the drawing section, wherein the drawing section, the supply section, and the removal section are arranged along the one direction, and the base material moves relatively from the supply section side to the removal section side with respect to the plurality of droplet discharge heads in the one direction, being also the direction that intersects the arrangement direction of the plurality of droplet discharge heads, while discharging the liquid by the droplet discharge heads.

Claims (19)

1. A droplet discharge apparatus that forms a pattern in a desired shape on a base material being processed by discharging liquids having pattern-forming substances, comprising:

a drawing section, inside which the base material moves entirely straight in one direction, the drawing section having a plurality of droplet discharge heads that are arranged in a direction intersecting with the movement direction of the base material;

a supply section for supplying the pre-drawing base material toward the drawing section;

a removal section for extracting the post-drawing base material from the drawing section;

a checking section for checking the drawing state of the base material after drawing; and

a correcting head for correcting a defect on the base material, the correcting head being:

provided adjacent to the drawing section;

movable in the direction intersecting with the movement direction of the base material at a right angle; and

having a droplet discharge head,

wherein the drawing section, the supply section, and the removal section are arranged along an entirely straight one-direction conveyance of the base material, and

the base material moves from the supply section side to the removal section side with respect to the plurality of droplet discharge heads in the entirely straight one-direction conveyance of the base material, being also the direction that intersects the arrangement direction of the plurality of droplet discharge heads, while discharging the liquids by the droplet discharge heads.

2. A droplet discharge apparatus according to claim 1 , wherein the droplet discharge heads are secured to an apparatus main body at the time of drawing.

3. A droplet discharge apparatus according to claim 1 , further comprising a cleaning section for cleaning the base material before drawing, between the supply section and the drawing section.

4. A droplet discharge apparatus according to claim 1 , further comprising a surface amending section for performing surface amendment of the base material so as to improve wetting characteristics with respect to the liquid, between the supply section and the drawing section.

5. A droplet discharge apparatus according to claim 1 , further comprising a heating section for heating the liquids that are discharged onto the base material, between the drawing section and the removal section.

6. A droplet discharge apparatus according to claim 1 , wherein the checking section for checking the drawing state of the base material after drawing is provided between the drawing section and the removal section.

7. A color filter manufacturing apparatus for manufacturing a color filter equipped with colored layers of different colors, comprising a plurality of the droplet discharge apparatuses according to claim 1 ,

wherein the liquid used in each droplet discharge apparatus containing coloring elements of respectively different colors, so that the droplet discharge apparatuses form colored layers of different colors.

8. A color filter manufacturing apparatus according to claim 7 , further comprising a heating apparatus provided in the last level of the plurality of droplet discharge apparatuses, for simultaneously heating the colored layers of different colors that were formed by the droplet discharge apparatuses.

Assignments (5)
SECURITY AGREEMENT Recorded Jan 23, 2020
From: KATEEVA, INC.
To: SINO XIN JI LIMITED
Reel/Frame 051682/0212 →
RELEASE OF SECURITY INTEREST Recorded Jan 22, 2020
From: EAST WEST BANK, A CALIFORNIA BANKING CORPORATION
To: KATEEVA, INC.
Reel/Frame 051664/0802 →
SECURITY INTEREST Recorded Apr 4, 2019
From: KATEEVA, INC.
To: EAST WEST BANK
Reel/Frame 048806/0639 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 6, 2017
From: SEIKO EPSON CORP
To: KATEEVA, INC.
Reel/Frame 044719/0414 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 14, 2004
From: MIZUTANI, SEIGO
To: SEIKO EPSON CORPORATION
Reel/Frame 015785/0067 →