Method of manufacturing color filter substrate and method of manufacturing display device by using the same

Patent metadata

Field	Value
Publication number	US-10288785-B2
Application number	US-201615196620-A
Country	US
Kind code	B2
Filing date	Jun 29, 2016
Priority date	Aug 31, 2015
Publication date	May 14, 2019
Grant date	May 14, 2019

Abstract

A method of manufacturing a color filter substrate includes: forming a plurality of first members, a plurality of second members and a plurality of third members, where each of the first members, the second members and the third members has a pillar shape extending in a direction; stacking the first members, the second members and the third members on one another; forming a preform by inserting the stacked first members, second members, and third members into a cane; forming a stick member from the preform via a drawing process by applying heat to the preform inserted into the cane; and slicing the stick member.

First claim

What is claimed is:

1. A method of manufacturing a color filter substrate, the method comprising:
forming a plurality of first members, a plurality of second members, and a plurality of third members, wherein each of the first members, the second members and the third members has a pillar shape extending in a direction;
stacking the first members, the second members and the third members on one another;
forming a preform by inserting the stacked first members, second members and third members into a cane;
forming a stick member from the preform comprising the stacked first members, second members, third members and the cane via a drawing process by applying heat to the preform inserted into the cane; and
slicing the stick member,
wherein the cane comprises a same material as a material of the first members, the second members and the third members.

2. The method of claim 1 , wherein each of the first members, the second members and the third members comprises a glass material.

3. The method of claim 1 , wherein each of the first members, the second members and the third members comprises a plastic material.

4. The method of claim 1 , wherein
each of the first members comprises a first core having a first color at a center thereof and a first light-shielding portion surrounding the first core,
each of the second members comprises a second core having a second color at a center thereof and a second light-shielding portion surrounding the second core, and
each of the third members comprises a third core having a third color at a center thereof and a third light-shielding portion surrounding the third core.

5. The method of claim 4 , wherein
the first color is a red color,
the second color is a green color, and
the third color is a blue color.

6. The method of claim 1 , wherein the forming the first members, the second members and the third members comprises:
forming each of the first members, the second members and the third members via a drawing process.

7. The method of claim 1 , wherein the first members, the second members and the third members in the preform are regularly arranged.

8. The method of claim 1 , wherein each of the first members, the second members and the third members has a circular, elliptical, or polygonal cross-section.

9. The method of claim 1 , wherein the preform has a circular, elliptical, or polygonal cross-section.

10. The method of claim 9 , wherein the cane has a circular, elliptical, or polygonal cross-section corresponding to a shape of the preform.

11. The method of claim 1 , wherein the first members, the second members, the third members and the cane have a same coefficient of thermal expansion as each other.

12. The method of claim 1 , wherein the forming the stick member comprises:
reducing a cross-section of the preform by a predetermined degree by extending the preform in a direction.

13. The method of claim 1 , wherein the color filter substrate has a circular, elliptical or polygonal shape.

14. A method of manufacturing a display device, the method comprising:
manufacturing the color filter substrate using the method of claim 1 ;
preparing a substrate on which a display area and a peripheral area around the display area are defined;
providing a display portion in the display area of the substrate; and
disposing the color filter substrate on the substrate in a way such that the color filter substrate faces the substrate with the display portion disposed therebetween.

15. The method of claim 14 , wherein the disposing the color filter substrate comprises:
bonding the color filter substrate and the display portion together with a transparent adhesive layer disposed between the color filter substrate and the display portion.

16. The method of claim 15 , wherein the disposing the color filter substrate comprises:
bonding the color filter substrate and the display portion together by providing a sealing member therebetween in the peripheral area.

17. The method of claim 14 , wherein
the color filter substrate comprises a plurality of red color filters, a plurality of green color filters and a plurality of blue color filters,
the red color filters comprise a same material as a material of the first cores,
the green color filters comprise a same material as a material of the second cores, and
the blue color filters comprise a same material as a material of the third cores.

18. The method of claim 17 , wherein
the display portion comprises a plurality of first pixels, a plurality of second pixels, and a plurality of third pixels,
the first pixels respectively correspond to the red color filters,
the second pixels respectively correspond to the green color filters, and
the third pixels respectively correspond to the blue color filters.

19. The method of claim 14 , wherein
a black matrix is disposed between the red color filters, the green color filters and the blue color filters, and
the black matrix comprises a same material as a material of a light-shielding portion.

20. The method of claim 14 , wherein the display portion has a same shape as the color filter substrate.

Assignees

• Samsung Display Co Ltd

Inventors

• Kwon Jaejoong
• Lee Hoikwan
• DO Yunseon
• Cho Chio
• Lee Hyesog

Classifications

• G02B5/201 Primary

  in the form of arrays · CPC title

• B32B37/12

  characterised by using adhesives · CPC title

• B32B2307/412

  Transparent · CPC title

• B32B37/14

  characterised by the properties of the layers · CPC title

• B32B2307/40

  having particular optical properties · CPC title