公开(公告)号：US10747025B2

公开(公告)日：2020-08-18

申请号：US15028646

申请日：2014-10-17

Applicant: HOYA LENS THAILAND LTD.

Inventor： Daisuke Ogaya ,  Masaki Ihara ,  Akinori Yamamoto ,  Toshihiko Shimizu ,  Kenichi Tonouchi

IPC: G02C7/12 ,  B29C65/56 ,  B29D11/00 ,  G02B1/08 ,  G02B1/18 ,  G02B5/30 ,  G02B30/25 ,  B29K29/00 ,  B29K709/08 ,  B29L11/00

Abstract: A polarizing lens including a polarizing polyvinyl alcohol film arranged between two pieces of a lens base material, where the polarizing polyvinyl alcohol film includes a hydrophobic region having higher hydrophobicity than other regions at least at a partial region of an outer periphery part including an edge surface thereof and the hydrophobic region is exposed at least at a part of an edge surface of the lens.

公开(公告)号：US10718961B2

公开(公告)日：2020-07-21

申请号：US15038829

申请日：2014-11-26

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yoshitaka Matsui ,  Yoichi Ogo ,  Koushi Harada

IPC: G02C7/10 ,  G02B5/28

Abstract: An aspect of the present invention relates to a spectacle lens including a multilayer film of a vapor deposition film (excluding a metal film and a metal alloy film) directly or indirectly at least on one surface of a lens substrate. The multilayer film includes at least one high refractive index layer and at least one low refractive index layer, the total optical film thickness of the high refractive index layer is λ/4 or more at a wavelength λ=780 nm, and a reflection spectrum measured in a wavelength range of 380 to 2000 nm on a surface having the multilayer film has a maximum reflectance in a wavelength range of 800 to 1350 nm.

公开(公告)号：US10465036B2

公开(公告)日：2019-11-05

申请号：US15515167

申请日：2015-09-09

Applicant: HOYA LENS THAILAND LTD.

Inventor： Takayuki Iijima ,  Masahisa Kousaka

IPC: C08G18/38 ,  C08G18/72 ,  G02B1/04 ,  G02C7/02 ,  C08G18/73 ,  C08G18/75 ,  C08G18/24

Abstract: A polymerizable composition which can suppress generation of turbidity, optical distortion, and striae in a transparent resin obtained therefrom, a transparent resin obtained from the polymerizable composition, an optical material containing the transparent resin, a plastic lens containing the optical material, and a method for manufacturing the transparent resin. The present disclosure is a polymerizable composition containing a polythiol compound having at least three mercapto groups and a polyiso(thio)cyanate compound. The polyiso(thio)cyanate compound contains only a polyiso(thio)cyanate compound having no aromatic ring, and a thiol equivalent ratio which is a measured value of a thiol equivalent of the polythiol compound with respect to a theoretical value of the thiol equivalent is 0.900 or more and less than 1.000.

公开(公告)号：US20190302480A1

公开(公告)日：2019-10-03

申请号：US16307458

申请日：2017-06-06

Applicant: HOYA LENS THAILAND LTD.

Inventor： Takashi HATANAKA ,  Tomohiro ODAIRA

IPC: G02C7/06 ,  G02C7/02

Abstract: In a spectacle lens added with prism thinning, a spherical refractive power of a first refractive portion is positive, and a prism base direction of a prism provided at a prism measurement reference point is set toward a second refractive portion side; a mean value of a difference of a mean curvature in a lens curved surface along a direction passing through a midpoint of a connecting line between two alignment reference marks and orthogonal to the connecting line with respect to a mean curvature in a lens curved surface along a direction of a lens without prism is smaller in a first-refractive-portion-side region from a fitting point than that in a second-refractive-portion-side region from the fitting point.

公开(公告)号：US10393925B2

公开(公告)日：2019-08-27

申请号：US15718313

申请日：2017-09-28

Applicant: HOYA LENS THAILAND LTD.

Inventor： Keiji Nishimoto

IPC: B32B15/04 ,  B32B17/06 ,  G02B1/16 ,  G02B1/116 ,  G02C7/02 ,  C23C14/00 ,  C23C14/08 ,  C23C14/24 ,  C23C14/58

Abstract: Provided are a spectacle lens having a tin oxide layer on a lens base material, wherein the tin oxide layer has a composition gradient in which an oxygen content rate as anatomic percentage increases from the lens base material side to the other side, and spectacles provided with the spectacle lens.

公开(公告)号：US20190225733A1

公开(公告)日：2019-07-25

申请号：US16367622

申请日：2019-03-28

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA

IPC: C08G18/38 ,  C08K5/521 ,  C08K5/3475 ,  C08G18/76 ,  G02B1/04

Abstract: An embodiment of the present disclosure relates to a method for producing an optical component resin, suppressing generation of a foreign matter and occurrence of white turbidity, an optical component resin, a spectacle lens, and spectacles.A method for producing an optical component resin, including: a step of mixing a polythiol component, a polyisocyanate component, and an additive to obtain a polymerizable composition; and a step of polymerizing the polymerizable composition, in which the total moisture content of the additive before mixing is 1.0 ppm by mass or more and 10 ppm by mass or less with respect to the amount of the polyisocyanate component, an optical component resin obtained by the producing method, an optical component formed of the optical component resin, a spectacle lens including a lens substrate formed of the optical component resin, and spectacles including the spectacle lens.

公开(公告)号：US20190218331A1

公开(公告)日：2019-07-18

申请号：US16366719

申请日：2019-03-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Takeaki IRYO

IPC: C08G18/38 ,  C08G18/76 ,  C08J7/06 ,  C09B6/00 ,  D06P3/72 ,  G02B1/04

CPC classification number: C08G18/3876 ,  C08G18/38 ,  C08G18/76 ,  C08G18/7642 ,  C08J7/065 ,  C08J2375/04 ,  C09B6/00 ,  D06P1/20 ,  D06P3/72 ,  G02B1/04 ,  G02B1/041 ,  G02C7/00

Abstract: An embodiment of the present disclosure relates to a method for producing an optical component resin having excellent dyeability, an optical component resin, a spectacle lens, and spectacles. A method for producing an optical component resin, including a step of polymerizing a polymerizable composition containing a polyisocyanate component and a polythiol component containing 40 mol % or more of a polythiol compound having two or more sulfide bonds in a molecular structure thereof, in which the content of a hydrolyzable chlorine compound contained in the polyisocyanate component is in a range of 10 ppm by mass or more and 100 ppm by mass or less in the polyisocyanate component, an optical component resin obtained by the producing method, an optical component formed of the optical component resin, a spectacle lens including a lens substrate formed of the optical component resin, and spectacles including the spectacle lens.

公开(公告)号：US20180372915A1

公开(公告)日：2018-12-27

申请号：US16019418

申请日：2018-06-26

Applicant: HOYA LENS THAILAND LTD.

Inventor： Tomofumi OHNISHI ,  Masahisa KOUSAKA ,  Shinya MIYAJIMA

IPC: G02B1/10 ,  G02B1/04 ,  G02C7/02 ,  B05D1/18 ,  B05D3/04 ,  B05D3/14 ,  C07D209/04 ,  B05D5/06

Abstract: An object is to provide a method for manufacturing a spectacle lens having an excellent cut ratio of light having a wavelength of 420 nm and further having an excellent appearance, and a spectacle lens.[1] A method for manufacturing a spectacle lens, including a step of immersing a substrate in an immersion liquid containing an indole-based UV absorber, and [2] a spectacle lens including a substrate impregnated with an indole-based UV absorber by a dyeing method.

公开(公告)号：US20180362730A1

公开(公告)日：2018-12-20

申请号：US16113603

申请日：2018-08-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Natsumi TASAKI

IPC: C08K5/3475 ,  G02B1/04 ,  C08L101/00 ,  G02B5/22

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

公开(公告)号：US10156740B2

公开(公告)日：2018-12-18

申请号：US15547898

申请日：2016-03-10

Applicant: HOYA LENS THAILAND LTD.

Inventor： Nobuyuki Tadokoro ,  Naoya Hirono ,  Masaaki Matsushima

IPC: G02C13/00 ,  A61B3/11 ,  G01B11/26 ,  G01B11/00 ,  G01B11/02 ,  A61B3/00 ,  G06T7/00

Abstract: A spectacle wearing parameter measurement device used in measurement of a spectacle wearing parameter of a subject who is to wear a spectacle frame, the spectacle wearing parameter measurement device includes: an information processing unit that acquires each of a first image as a face image of the subject in a spectacle-frame wearing state and a second image as a face image in a spectacle-frame non-wearing state and prepares a third image obtained by associating the first image and the second image; a display screen unit that displays the third image prepared by the information processing unit; an operation unit that specifies a measurement reference point of the spectacle wearing parameter on the third image displayed on the display screen unit; and a measurement computation section that calculates the spectacle wearing parameter by using data of the specified measurement reference point.