IP Library › Granted Patent US 12,055,795
Granted Patent B2
US 12,055,795 · App. 17/360,237 · Granted Aug 6, 2024

Spectacle lens

Inventor: Takumi Nomura (Tokyo, JP)
Assignee: HOYA LENS THAILAND LTD.
G02C7/022
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,055,795
App. No.
17/360,237
Granted
Aug 6, 2024
Kind
B2
Abstract

The spectacle lens includes a coating film containing tungsten oxide particles, tin oxide particles, and silver particles on a surface of a lens substrate.

Claims (24)

1. A spectacle lens, comprising a coating film containing tungsten oxide particles, tin oxide particles, and silver particles on a surface of a lens substrate,

wherein all of the tungsten oxide particles, the tin oxide particles, and the silver particles are particles having a particle size smaller than a film thickness of the coating film.

2. The spectacle lens according to claim 1 ,

wherein the coating film has a film thickness of 3 nm or more and 30 nm or less.

3. The spectacle lens according to claim 1 ,

wherein the coating film further contains molybdenum.

4. The spectacle lens according to claim 1 ,

wherein the spectacle lens has an antireflective film below the coating film.

5. The spectacle lens according to claim 1 ,

wherein all of the tungsten oxide particles, the tin oxide particles, and the silver particles have a particle size of 2 nm or more and 5 nm or less.

6. The spectacle lens according to claim 1 ,

wherein the coating film contains a binder component containing silicon oxide as a main component.

7. A spectacle lens, comprising a coating film containing tungsten oxide particles, tin oxide particles, and silver particles on a surface of a lens substrate,

wherein all of the tungsten oxide particles, the tin oxide particles, and the silver particles have a particle size of 2 nm or more and 5 nm or less.

8. The spectacle lens according to claim 7 ,

wherein the coating film further contains molybdenum.

9. The spectacle lens according to claim 7 ,

wherein the spectacle lens has an antireflective film below the coating film.

10. A spectacle lens, comprising a coating film containing tungsten oxide particles, tin oxide particles, and silver particles on a surface of a lens substrate,

wherein the coating film contains a binder component containing silicon oxide as a main component.

11. The spectacle lens according to claim 10 ,

wherein the coating film further contains molybdenum.

12. The spectacle lens according to claim 10 ,

wherein the spectacle lens has an antireflective film below the coating film.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 28, 2021
From: NOMURA, TAKUMI
To: HOYA LENS THAILAND LTD.
Reel/Frame 056687/0796 →
Priority Claims (1)
JP 2018-247619 · Dec 28, 2018 · national
Continuity (2)
Continuation PCTJP2019051544 · Dec 27, 2019
Related Publication 20210325693A1 · Oct 21, 2021