US 12,269,205 B2
Eyewear lens creation using additive techniques with diffuse light
Eduardo Pascual, Madrid (ES); José Alonso Fernández, Madrid (ES); Ignacio Canga, Madrid (ES); Juan Antonio Quiroga Mellado, Madrid (ES); and Daniel Crespo Vázquez, Torrance, CA (US)
Assigned to Indizen Optical Technologies S.L., Madrid (ES)
Filed by Indizen Optical Technologies S.L., Madrid (ES)
Filed on Mar. 15, 2023, as Appl. No. 18/184,554.
Application 18/184,554 is a continuation of application No. 17/072,456, filed on Oct. 16, 2020, granted, now 11,633,907.
Prior Publication US 2023/0219287 A1, Jul. 13, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 64/124 (2017.01); B29C 64/255 (2017.01); B29C 64/264 (2017.01); B29C 64/35 (2017.01); B29C 64/386 (2017.01); B29C 64/393 (2017.01); B29D 11/00 (2006.01); B29K 105/00 (2006.01); B29L 11/00 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 40/20 (2020.01); B33Y 50/02 (2015.01); B33Y 80/00 (2015.01); G02B 1/04 (2006.01); G02B 1/14 (2015.01); G02C 7/02 (2006.01)
CPC B29C 64/124 (2017.08) [B29C 64/255 (2017.08); B29C 64/264 (2017.08); B29C 64/386 (2017.08); B29C 64/393 (2017.08); B29D 11/00009 (2013.01); B29D 11/00865 (2013.01); B29D 11/00951 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); B33Y 80/00 (2014.12); G02B 1/041 (2013.01); G02B 1/14 (2015.01); G02C 7/02 (2013.01); B29C 64/35 (2017.08); B29K 2105/0002 (2013.01); B29K 2105/0005 (2013.01); B29L 2011/0016 (2013.01); B33Y 40/20 (2020.01)] 23 Claims
OG exemplary drawing
 
1. A method for creating a lens, the method comprising:
receiving input information including a lens prescription;
calculating creation instructions based on the input information, the creation instructions including: 1) an irradiation pattern, and 2) an exposure time to use a light transmission of the irradiation pattern to form a lens having the lens prescription;
initiating the light transmission of the irradiation pattern from a light source through a diffuser into a container holding resin held within a substrate, wherein each point in a thickness of the resin sufficient to form the lens is illuminated by at least 10% of an area of the diffuser; and
stopping the light transmission after the exposure time to form the lens, wherein the lens meets the creation instructions, wherein a single polymerization front has the shape of a target surface of the lens that meets the creation instructions, wherein the irradiation pattern is a single irradiation pattern that coincides with forming the lens having the lens prescription, and wherein the substrate is selected from the group including poly(allyl diglycol carbonate), polycarbonate, polyurethane-based plastic or glass.
 
16. A method for creating a lens, the method comprising:
receiving input information including a lens prescription;
calculating creation instructions based on the input information, the creation instructions including: 1) an irradiation pattern, and 2) an exposure time to use a light transmission of the irradiation pattern to form a lens having the lens prescription;
initiating the light transmission of the irradiation pattern from a light source through a diffuser into a container holding resin held within a substrate, wherein each point in a thickness of the resin sufficient to form the lens is illuminated by at least 10% of an area of the diffuser; and
stopping the light transmission after the exposure time to form the lens, wherein the lens meets the creation instructions, wherein a single polymerization front has the shape of a target surface of the lens that meets the creation instructions, wherein the irradiation pattern is a single irradiation pattern that coincides with forming the lens having the lens prescription, and wherein the substrate includes embedded electronic circuits or embedded image formation systems.
 
18. A method for creating a lens, the method comprising:
receiving input information including a lens prescription;
calculating creation instructions based on the input information, the creation instructions including: 1) an irradiation pattern, and 2) an exposure time to use a light transmission of the irradiation pattern to form a lens having the lens prescription;
initiating the light transmission of the irradiation pattern from a light source through a diffuser into a container holding resin held within a substrate, wherein each point in a thickness of the resin sufficient to form the lens is illuminated by at least 10% of an area of the diffuser; and
stopping the light transmission after the exposure time to form the lens, wherein the lens meets the creation instructions, wherein a single polymerization front has the shape of a target surface of the lens that meets the creation instructions, wherein the irradiation pattern is a single irradiation pattern that coincides with forming the lens having the lens prescription, and wherein the substrate is polarized or photochromic.
 
20. A method for creating a lens, the method comprising:
receiving input information including a lens prescription;
calculating creation instructions based on the input information, the creation instructions including: 1) an irradiation pattern, and 2) an exposure time to use a light transmission of the irradiation pattern to form a lens having the lens prescription;
initiating the light transmission of the irradiation pattern from a light source through a diffuser into a container holding resin held within a substrate, wherein each point in a thickness of the resin sufficient to form the lens is illuminated by at least 10% of an area of the diffuser; and
stopping the light transmission after the exposure time to form the lens, wherein the lens meets the creation instructions, wherein a single polymerization front has the shape of a target surface of the lens that meets the creation instructions, wherein the irradiation pattern is a single irradiation pattern that coincides with forming the lens having the lens prescription, and wherein the substrate includes a convex surface, and the substrate incorporates an antireflective coating or a hard coating treatment on the convex surface.
 
22. A method for creating a lens, the method comprising:
receiving input information including a lens prescription;
calculating creation instructions based on the input information, the creation instructions including: 1) an irradiation pattern, and 2) an exposure time to use a light transmission of the irradiation pattern to form a lens having the lens prescription;
initiating the light transmission of the irradiation pattern from a light source through a diffuser into a container holding resin held within a substrate, wherein each point in a thickness of the resin sufficient to form the lens is illuminated by at least 10% of an area of the diffuser; and
stopping the light transmission after the exposure time to form the lens, wherein the lens meets the creation instructions, wherein a single polymerization front has the shape of a target surface of the lens that meets the creation instructions, wherein the irradiation pattern is a single irradiation pattern that coincides with forming the lens having the lens prescription, and wherein the lens includes the substrate and the thickness of the illuminated resins resin.