Electronic dimming lens, electronic dimming glasses, manufacturing method for electronic dimming lens, and manufacturing method for electronic dimming glasses

Patent metadata

Field	Value
Publication number	US-2024411156-A1
Application number	US-202218699371-A
Country	US
Kind code	A1
Filing date	Oct 14, 2022
Priority date	Oct 14, 2021
Publication date	Dec 12, 2024
Grant date	—

Abstract

An electronic dimming lens acquired by combining an electronic element for dimming and a lens, the electronic dimming lens including: holes that open on an outer face of the electronic dimming lens and are connected to electrodes for a positive electrode and a negative electrode in the electronic element; and terminal members that are molded to match a shape of the holes and are inserted into the holes, in which the terminal member is electrically connected to the electrodes inside of the hole and has one end part exposed to an opening of the hole. In accordance with this, reliability, durability, and producibility of terminals connected to electrodes of the electronic element for dimming can be configured to be superior.

First claim

1 . An electronic dimming lens acquired by combining an electronic element for dimming and a lens, the electronic dimming lens comprising:
holes that open on an outer face of the electronic dimming lens and are connected to electrodes for a positive electrode and a negative electrode in the electronic element; and terminal members that are molded to match shapes of the holes and are inserted into the holes, wherein the terminal members are electrically connected to the electrodes inside of the holes and have one end parts exposed through openings of the holes.

2 . The electronic dimming lens according to claim 1 , wherein the terminal members are disposed inside of the holes in a press-fitted state.

3 . The electronic dimming lens according to claim 1 , wherein the electrodes are positioned on bottom faces of the holes, and end parts of the terminal members that are on a side opposite to the one end parts are brought into contact with the electrodes.

4 . The electronic dimming lens according to claim 1 , wherein the holes pass through the electrodes, and outer circumferential faces of the terminal members are brought into contact with the electrodes.

5 . The electronic dimming lens according to claim 1 ,
wherein the holes overlap concave parts disposed in outer frame parts of the electrodes, and wherein entering parts of the terminal members for the concave parts are brought into contact with the electrodes.

6 . The electronic dimming lens according to claim 1 , wherein the terminal members have structures in which outer faces of core portions made of nickel are covered with gold plating.

7 . The electronic dimming lens according to claim 1 , wherein the holes open on at least one of a front face and a rear face of the electronic dimming lens.

8 . The electronic dimming lens according to claim 1 , wherein the holes open on an outer circumferential face of the electronic dimming lens.

9 . The electronic dimming lens according to claim 1 , comprising:
a protrusion part that protrudes from an outer circumferential face of the lens to an outer side and forming the holes; a conductive member for power feeding that is disposed to overlap the protrusion part and is brought into contact with the terminal members; and a holding member that is mounted in the protrusion part from above the conductive member and holds the conductive member and the terminal members with respect to the protrusion part.

10 . The electronic dimming lens according to claim 9 ,
wherein the protrusion part has engagement portions on one pair of side faces adjacent to a hole formation face where the holes open, and wherein the holding member has a shape surrounding the hole formation face and the one pair of side faces and is engaged with the engagement portions.

11 . Electronic dimming glasses comprising:
the electronic dimming lens according to claim 9 ; and a glasses frame in which the electronic dimming lens is mounted and which covers the protrusion part, the conductive member, and the holding member, wherein the conductive member is connected to a dimming control unit built into the glasses frame, and power is fed from the dimming control unit to the electronic element through the conductive member and the terminal member.

12 . Electronic dimming glasses comprising:
the electronic dimming lens according to claim 8 ; and a glasses frame supporting a conductive member connected to a dimming control unit in which a connector part of the conductive member is exposed on an inner circumferential face of a ring-shaped part holding the electronic dimming lens, wherein, in a state in which the electronic dimming lens is held in the ring-shaped part, the terminal member is brought into contact with the connector part, and power is fed from the dimming control unit to the electronic element through the conductive member and the terminal member.

13 . A manufacturing method for an electronic dimming lens acquired by combining an electronic element for dimming and a lens, the manufacturing method comprising:
forming holes that open on an outer face of the electronic dimming lens and are connected to electrodes for a positive electrode and a negative electrode in the electronic element; molding terminal members with shapes matching shapes of the holes; electrically connecting the molded terminal members to the electrodes by inserting the terminal members into the holes from an opening side and exposing one end parts of the inserted terminal members through openings of the holes.

14 . The manufacturing method for the electronic dimming lens according to claim 13 , wherein insertion of the terminal members into the holes is performed by press-fitting.

15 . The manufacturing method for an electronic dimming lens according to claim 13 ,
wherein the holes are formed in a protrusion part protruding from an outer circumferential face of the lens to an outer side, wherein, after the terminal members are inserted into the holes, a conductive member for power feeding is brought into contact with the one end parts of the terminal members positioned inside of the holes by overlapping the conductive member with the protrusion part, and wherein the conductive member and the terminal members are held with respect to the protrusion part by mounting a holding member in the protrusion part from above the conductive member.

16 . A manufacturing method for electronic dimming glasses having the electronic dimming lens manufactured by the manufacturing method according to claim 15 , the manufacturing method comprising:
mounting the electronic dimming lens in a state in which the terminal members, the conductive member, and the holding member are assembled in a glasses frame; and connecting the conductive member to a dimming control unit disposed inside of the glasses frame.

17 . The manufacturing method for an electronic dimming lens according to claim 13 ,
wherein the holes are formed to open on an outer circumferential face of the lens, and wherein the terminal members are inserted into the holes, and the one end parts are exposed on an outer circumferential side of the lens.

18 . A manufacturing method for electronic dimming glasses having the electronic dimming lens manufactured by the manufacturing method according to claim 17 , the manufacturing method comprising:
disposing a conductive member for power feeding along an inner circumferential face of a ring-shaped part of a glasses frame holding the electronic dimming lens; and bringing the conductive member into contact with the one end parts of the terminal members positioned inside of the holes by mounting the electronic dimming lens in the glasses frame.

Assignees

• Hoya Lens Thailand Ltd

Inventors

• Miyazaki Shigeki

Classifications

• G02B26/023

  comprising movable attenuating elements, e.g. neutral density filters · CPC title

• G02C11/10

  Electronic devices other than hearing aids · CPC title

• G02F1/155

  Electrodes · CPC title

• G02C7/16 Primary

  Shades; shields; Obturators, e.g. with pinhole, with slot {(G02C5/003 takes precedence)} · CPC title

• G02C7/101 Primary

  having an electro-optical light valve (electro-optical elements per se G02F) · CPC title