Optical component production method, optical component, and optical panel production method

Patent metadata

Field	Value
Publication number	US-10082603-B2
Application number	US-201414551679-A
Country	US
Kind code	B2
Filing date	Nov 24, 2014
Priority date	May 24, 2012
Publication date	Sep 25, 2018
Grant date	Sep 25, 2018

Abstract

A method of producing an optical component includes a transfer step of sandwiching a molding material layer of a molding material between a thin glass plate and a mold and transferring an indented pattern on the mold to the molding material layer to form a patterned indented layer on the thin glass plate, and a separation step of separating the mold from the patterned indented layer. During the transfer step, a reinforcing plate is removably attached to the thin glass plate.

First claim

What is claimed is:

1. A method of producing an optical component, the method comprising:
sandwiching a molding material layer of a molding material between a thin glass plate and a flexible mold and transferring an indented pattern on the flexible mold to the molding material layer to form a patterned indented layer on the thin glass plate; and
separating the flexible mold from the patterned indented layer,
wherein during the transferring, a reinforcing plate is removably attached to the thin glass plate; and
wherein the transferring comprises
supporting the thin glass plate in a level position,
applying tension to the flexible mold by rotating a tension roller to which one end of the flexible mold is fixed so that a part of the flexible mold wraps around a pressing part that presses the flexible mold against the molding material layer and is curved along the pressing part, and
gradually pressing the flexible mold against the molding material layer by moving at least one of the pressing part and the thin glass plate relative to the other.

2. The method as claimed in claim 1 , wherein the separating comprises
supporting the thin glass plate in a level position,
applying tension to the flexible mold by rotating the tension roller so that a part of the flexible mold wraps around the pressing part and is curved along the pressing part, and
gradually separating the flexible mold from the patterned indented layer by moving at least one of the pressing part and the thin glass plate relative to the other.

3. The method as claimed in claim 2 , further comprising removing the reinforcing plate from the thin glass plate.

4. The method as claimed in claim 2 , wherein the reinforcing plate comprises a support plate and a removable layer formed on the support plate; and the removable layer is removably joined to the thin glass plate.

5. The method as claimed in claim 2 , wherein a thickness of the thin glass plate is less than or equal to 0.3 mm.

6. A method of producing an optical panel, the method comprising:
producing an optical component by the method of claim 2 ; and
producing the optical panel using the optical component.

7. The method as claimed in claim 6 , wherein the optical panel is one of a liquid crystal panel and an organic electroluminescence panel.

8. The method as claimed in claim 1 , further comprising removing the reinforcing plate from the thin glass plate.

9. The method as claimed in claim 1 , wherein the reinforcing plate comprises a support plate and a removable layer formed on the support plate; and the removable layer is removably joined to the thin glass plate.

10. The method as claimed in claim 1 , wherein a thickness of the thin glass plate is less than or equal to 0.3 mm.

11. A method of producing an optical panel, the method comprising: producing an optical component by the method of claim 1 ; and producing the optical panel using the optical component.

12. The method as claimed in claim 11 , wherein the optical panel is one of a liquid crystal panel and an organic electroluminescence panel.

13. A method of producing an optical component, the method comprising:
sandwiching a molding material layer of a molding material between a thin glass plate and a flexible mold and transferring an indented pattern on the flexible mold to the molding material layer to form a patterned indented layer on the thin glass plate; and
separating the flexible mold from the patterned indented layer,
wherein during the transferring a reinforcing plate is removably attached to the thin glass plate; and
the separating comprises
supporting the thin glass plate in a level position,
applying tension to the flexible mold by rotating a tension roller to which one end of the flexible mold is fixed so that a part of the flexible mold wraps around a pressing part that presses the flexible mold against the patterned indented layer and is curved along the pressing part, and
gradually separating the flexible mold from the patterned indented layer by moving at least one of the pressing part and the thin glass plate relative to the other.

14. The method as claimed in claim 13 , further comprising removing the reinforcing plate from the thin glass plate.

15. The method as claimed in claim 13 , wherein the reinforcing plate comprises a support plate and a removable layer formed on the support plate; and the removable layer is removably joined to the thin glass plate.

16. The method as claimed in claim 13 , wherein a thickness of the thin glass plate is less than or equal to 0.3 mm.

17. A method of producing an optical panel, the method comprising:
producing an optical component by the method of claim 13 ; and
producing the optical panel using the optical component.

18. The method as claimed in claim 17 , wherein the optical panel is one of a liquid crystal panel and an organic electroluminescence panel.

Assignees

• Asahi Glass Co Ltd
• Agc Inc

Inventors

• Sakamoto Hiroshi
• Takayama Kosuke
• Kakuta Junichi
• Kaida Yuriko

Classifications

• G02B3/0031

  Replication or moulding, e.g. hot embossing, UV-casting, injection moulding · CPC title

• G02B5/3058

  comprising electrically conductive elements, e.g. wire grids, conductive particles · CPC title

• G02B1/118

  having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures · CPC title

• B29C59/046

  for layered or coated substantially flat surfaces · CPC title

• B05D3/12

  by mechanical means · CPC title