Apparatus for fabricating lens, method of fabricating lens, and lens

Patent metadata

Field	Value
Publication number	US-9678316-B2
Application number	US-201214411764-A
Country	US
Kind code	B2
Filing date	Sep 26, 2012
Priority date	Jun 28, 2012
Publication date	Jun 13, 2017
Grant date	Jun 13, 2017

Abstract

Disclosed are an apparatus for fabricating a lens. The apparatus for fabricating a lens includes a molding frame to receive a source material injected through an injection port, and a light source or a heat source to irradiate a light or a heat onto the source material in the molding frame. The molding frame includes a plurality of molding grooves adjacent to each other and at two connection passages to connect the molding grooves to each other.

First claim

The invention claimed is:

1. An apparatus for fabricating a lens, comprising:
a molding frame to receive a source material injected through an injection port; and
a light source or a heat source to irradiate a light or a heat onto the source material in the molding frame,
wherein the molding frame comprises a plurality of molding grooves adjacent to each other and at two connection passages to connect the molding grooves to each other.

2. The apparatus of claim 1 , wherein the molding grooves include a first molding groove and a second molding groove, the first molding groove includes a first connection passage and a second connection passage, the second molding groove includes the second connection passage and a third connection passage, and the first molding groove and the second molding groove are connected to each other through the second connection passage.

3. The apparatus of claim 1 , wherein the molding grooves include a first molding groove, a second molding groove, and a third molding groove, the first molding groove includes a first connection passage, a second connection passage, and a third connection passage, the first molding groove is connected to the second molding groove through the second connection passage, and the first molding groove is connected to the third molding groove through the third connection passage.

4. The apparatus of claim 3 , wherein the first connection passage extends from the first molding groove to the injection port, the second connection passage extends from the first molding groove to the second molding groove, and the third connection passage extends from the first molding groove to the third molding groove, and
wherein an angle between the first and second connection passages, an angle between the first and third connection passages, and an angle between the second and third connection passages are in a range of 110° to 130°.

5. The apparatus of claim 4 , wherein the angle between the first and second connection passages, the angle between the first and third connection passages, and the angle between the second and third connection passages are 120°.

6. The apparatus of claim 1 , wherein the molding grooves include a first molding groove, a second molding groove, a third molding groove, and a fourth molding groove, and the first molding groove includes a first connection passage, a second connection passage, a third connection passage, and a fourth connection passage, and
wherein the first molding groove is connected to the second molding groove through the second connection passage, connected to the third molding groove through the third connection passage, and connected to the fourth molding groove through the fourth connection passage.

7. The apparatus of claim 6 , wherein the first connection passage extends from the first molding groove to the injection port, the second connection passage extends from the first molding groove to the second molding groove, the third connection passage extends from the first molding groove to the third molding groove, the fourth connection passage extends from the first molding groove to the fourth molding groove, and
wherein an angle between the first and second connection passages, an angle between the second and third connection passages, and an angle between the first and fourth connection passages are in a range of 80° to 100°.

8. The apparatus of claim 7 , wherein the angle between the first and second connection passages, the angle between the second and third connection passages, and the angle between the first and fourth connection passages are 90°.

9. A lens comprising:
a lens part having a predetermined curvature; and
a support part extending from the lens part,
wherein the support part includes a first flat surface, a second flat surface, a third flat surface, a fourth flat surface, a first curved surface between the first flat surface and the second flat surface, a second curved surface between the second flat surface and the third flat surface, a third curved surface between the third flat surface and the fourth flat surface, and a fourth curved surface between the fourth flat surface and the first flat surface,
wherein an angle between a first line, which extends from an optical axis of the lens part to the first flat surface, and a second line, which extends from the optical axis of the lens part to the second flat surface, is in a range of 80° to 100°,
wherein an angle between the second line, which extends from the optical axis of the lens part to the second flat surface, and a third line, which extends from the optical axis of the lens part to the third flat surface, is in a range of 80° to 100°,
wherein an angle between the third line, which extends from the optical axis of the lens part to the third flat surface, and a fourth line, which extends from the optical axis of the lens part to the fourth flat surface, is in a range of 80° to 100°, and
wherein an angle between the fourth line, which extends from the optical axis of the lens part to the fourth flat surface, and the first line, which extends from the optical axis of the lens part to the first flat surface, is in a range of 80° to 100°.

10. The lens of claim 9 , wherein the lens part is integrally formed with the support part, and the lens part and the support part include a photo-curable resin or a thermosetting resin.

11. A lens comprising:
a lens part having a predetermined curvature; and
a support part extending from the lens part,
wherein the support part includes a first cut surface, a second cut surface, a third cut surface, a fourth cut surface, a first curved surface between the first cut surface and the second cut surface, a second curved surface between the second cut surface and the third cut surface, a third curved surface between the third cut surface and the fourth cut surface, and a fourth curved surface between the fourth cut surface and the first cut surface,
wherein an angle between a first line, which extends from an optical axis of the lens part to the first cut surface, and a second line, which extends from the optical axis of the lens part to the second cut surface, is in a range of 80° to 100°,
wherein an angle between the second line, which extends from the optical axis of the lens part to the second cut surface, and a third line, which extends from the optical axis of the lens part to the third cut surface, is in a range of 80° to 100°,
wherein an angle between the third line, which extends from the optical axis of the lens part to the third cut surface, and a fourth line, which extends from the optical axis of the lens part to the fourth cut surface, is in a range of 80° to 100°, and
wherein an angle between the fourth line, which extends from the optical axis of the lens part to the fourth cut surface, and the first line, which extends from the optical axis of the lens part to the first cut surface, is in a range of 80° to 100°.

Assignees

• Lg Innotek Co Ltd

Inventors

• An Myoung Jin
• Jeong Seung Man

Classifications

• B29L2011/0016

  Lenses · CPC title

• B29C43/3607

  with sealing means or the like · CPC title

• G02B7/02

  for lenses {(supports for magnifying lenses G02B25/002)} · CPC title

• G02B13/0085 Primary

  employing wafer level optics · CPC title

• B29C35/0805

  using electromagnetic radiation · CPC title