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1. 发明申请

WO2019012304A1 OPTICAL REJECTION FILTER WITH ANGULAR INVARIANCE OF THE REJECTED WAVELENGTHS 审中-公开
公开(公告)号：WO2019012304A1
公开(公告)日：2019-01-17
申请号：PCT/IB2017/001052
申请日：2017-07-12
申请人： NIKON CORPORATION , ESSILOR INTERNATIONAL
发明人： OTON, Eva , NETTER, Estelle
IPC分类号： G02F1/137 , G02B5/26 , G02F1/1333
CPC分类号： G02F1/13718 , G02B5/26 , G02F1/133371 , G02F2201/343
摘要： The invention relates to an optical rejection filter (2) comprising a liquid crystal cell, comprising: - a liquid crystal mixture (22) comprising cholesteric liquid crystals, - two alignment layers (20, 21) encasing the liquid crystal mixture, the liquid crystal mixture being capable of reflecting rays of light incoming on a surface of the cell by Bragg reflection, the wavelength of the reflected rays depending on the angle of incidence of the rays on the surface of the cell and on the pitch of the helices of the liquid crystals molecules, wherein for each point of coordinates (x,y) of the cell is defined a pitch of the helices of the liquid crystal molecules, and the pitch varies along at least one direction within the cell, such that the cell comprises at least two points reflecting the same wavelength of two rays of light incoming on the respective points of the surface with different angles of incidence.

2. 发明申请

WO2018091940A1 OPTICAL COMPONENT COMPRISING LIQUID CRYSTALS IN A BLUE PHASE AND PROCESS FOR MAKING SUCH OPTICAL COMPONENT 审中-公开
公开(公告)号：WO2018091940A1
公开(公告)日：2018-05-24
申请号：PCT/IB2016/001993
申请日：2016-11-18
申请人： NIKON CORPORATION , ESSILOR INTERNATIONAL
发明人： OTON, Eva , INOUE, Fuyuhiko , NAKANO, Toshiki , NETTER, Estelle , KATAYAMA, Yukiko
IPC分类号： G02F1/137
摘要： The invention relates to an optical component (1) comprising a first layer (10), a second layer (20) and a bulk (50) sandwiched between said first and second layers, wherein - the bulk is formed by a composition comprising a liquid crystal material (55) which is in a blue phase (56), - at least one of the first and second layers has, toward the bulk, an alignment layer (15, 25), and - the blue phase of the liquid crystal material exhibits a uniform organization in three directions (Ox, Oy, Oz) in at least 80% of the volume of the bulk, said liquid crystal material being stabilized in said blue phase at least over the temperatures ranging from 10°C to 35 ° C.

3. 发明申请

WO2018185509A1 WAVELENGTH TUNABLE OPTICAL FILTER AND METHOD FOR SWITCHING AND ADJUSTING THEREOF 审中-公开
公开(公告)号：WO2018185509A1
公开(公告)日：2018-10-11
申请号：PCT/IB2017/000494
申请日：2017-04-03
申请人： NIKON CORPORATION , Essilor International
发明人： OTON, Eva , NETTER, Estelle
IPC分类号： G02F1/137 , G02F1/139
摘要： The invention concerns a wavelength tunable optical filter and a method for switching and adjusting the wavelength tunable optical filter. According to the invention, the optical filter comprises a liquid crystal cell (1) comprising a cholesteric liquid crystal mixture (2) inserted between two electrodes (13, 14) configured to apply a voltage (V), the cholesteric liquid crystal mixture (2) comprising a chiral dopant and a dual frequency liquid crystal host material, the liquid crystal cell (1) having a reference Bragg reflection wavelength in the spectral range between 300 nm and 900 nm, and the liquid crystal cell having a first Bragg reflection wavelength, when the applied voltage is modulated at a frequency comprised in an intermediate frequency range which is above a cross-over frequency (f c ) and below a high frequency limit (f H ), the first Bragg reflection wavelength being different from the reference Bragg reflection wavelength and the cholesteric liquid crystal mixture (2) being non-scattering both in the reference Bragg reflection mode and in the first Bragg reflection mode.

4. 发明申请

WO2018185513A1 OPTICAL FILTER, AMPLITUDE MODULATOR, OPTICAL ARTICLE AND METHOD FOR AMPLITUDE TUNING AN OPTICAL BEAM 审中-公开
公开(公告)号：WO2018185513A1
公开(公告)日：2018-10-11
申请号：PCT/IB2017/000539
申请日：2017-04-03
申请人： NIKON CORPORATION , Essilor International
发明人： OTON, Eva , NETTER, Estelle
IPC分类号： G02F1/137
CPC分类号： G02F1/13718 , G02F2001/134345 , G02F2201/343 , G02F2203/055 , G02F2203/12 , G02F2203/30
摘要： The invention concerns an optical filter. According to the invention, the optical filter comprises : - a liquid crystal cell (1) filled with a liquid crystal mixture (3) having a Bragg state with a Bragg reflection wavelength within the 380-780 nm range in absence of applied voltage, the liquid crystal cell (1) comprising a plurality of adjacent pixels (41, 42, 43, 44) arranged in a matrix, and a controller (5) connected to the first electrode (111, 112, 113, 114) and to the second electrode (121, 122, 123, 124) of each pixel (41, 42, 43, 44) and configured for selecting a first portion of the plurality of pixels and/or a second portion of the plurality of pixels, and the controller (5) being configured for applying a first voltage (V1) to the first portion of the plurality of pixels so that the liquid crystal mixture in the first portion is in another state, which is an homeotropic state.

5. 发明申请

WO2018087935A1 PHASE MODULATOR AND OPTICAL DEVICE 审中-公开
标题翻译：相位调制器和光学装置
公开(公告)号：WO2018087935A1
公开(公告)日：2018-05-17
申请号：PCT/JP2016/084185
申请日：2016-11-11
申请人： ESSILOR INTERNATIONAL , NIKON CORPORATION
发明人： NETTER, Estelle
IPC分类号： G02F1/1347 , G02F1/133
摘要： A phase modulator includes; a first liquid crystal element and a second liquid crystal element, wherein: in the state in which no voltage is applied to the first liquid crystal element nor to the second liquid crystal element, both of the first liquid crystal material and the second liquid crystal material show optical isotropy; and in the state in which a predetermined range of voltage is applied both to the first liquid crystal element and to the second liquid crystal element, the first liquid crystal material shows optically uniaxial anisotropy with a first ordinary refractive index and a first extraordinary refractive index which is larger than the first ordinary refractive index, and the second liquid crystal material shows optically uniaxial anisotropy with a second ordinary refractive index and a second extraordinary refractive index which is smaller than the second ordinary refractive index.
摘要翻译：相位调制器包括：第一液晶元件和第二液晶元件，其中：在没有电压施加到第一液晶元件和第二液晶元件的状态下，第一液晶材料和第二液晶材料显示光学各向同性; 并且在对第一液晶元件和第二液晶元件都施加预定范围的电压的状态下，第一液晶材料显示具有第一寻常折射率和第一非寻常折射率的光学单轴各向异性，大于第一寻常光折射率，并且第二液晶材料显示出具有第二寻常光折射率和小于第二寻常光折射率的第二非寻常光折射率的光学单轴各向异性。

6. 发明申请

WO2019021032A1 TEMPERATURE INVARIANT DUAL FREQUENCY CHOLESTERIC LIQUID CRYSTAL COMPOSITION 审中-公开
公开(公告)号：WO2019021032A1
公开(公告)日：2019-01-31
申请号：PCT/IB2017/001138
申请日：2017-07-24
申请人： NIKON CORPORATION , Essilor International
发明人： OTON, Eva , NETTER, Estelle
IPC分类号： C09K19/58
CPC分类号： C09K19/586
摘要： The invention relates to a liquid crystal composition, comprising: a dual frequency cholesteric liquid crystal, DFCLC, mixture, and a first chiral dopant and a second chiral dopant, wherein the Bragg reflection wavelength of the composition is constant, within a tolerance range of 30 nm, within a temperature range comprised within 35 and 70°C. The invention also relates to an optical cell and an optical device comprising said liquid crystal composition.

7. 发明申请

WO2018235209A1 METHOD OF MANUFACTURING OPTICAL ARTICLE AND OPTICAL SHAPING APPARATUS 审中-公开
公开(公告)号：WO2018235209A1
公开(公告)日：2018-12-27
申请号：PCT/JP2017/022918
申请日：2017-06-21
申请人： ESSILOR INTERNATIONAL , NIKON CORPORATION
发明人： KELLER, Gerhard , NETTER, Estelle , PROVIN, Christophe , MIZUGUCHI, Masafumi , ASAI, Gaku
IPC分类号： G02B26/08 , G03F7/20 , B33Y30/00 , B29C64/124
摘要： A method of manufacturing an optical article, wherein an output light flux generating process of generating an output light flux by inputting a light from a light source to an output setting element having a repetition structure; a cured layer forming process of forming a cured layer at an irradiation area that is formed in correspondence with the output area by introducing the output light flux through a projection optical system into a container in which light-curable resin is contained and a stage is arranged and condensing the output light flux; and a stage moving process of moving the stage in a desired distance along the direction of the output flux propagating, are sequentially performed in this order and an irradiation variation process of varying the irradiation area in the cured layer generating process are further included, thereby the optical article is formed on a surface of the stage.

8. 发明公开

EP3607399A1 WAVELENGTH TUNABLE OPTICAL FILTER AND METHOD FOR SWITCHING AND ADJUSTING THEREOF 审中-公开
公开(公告)号：EP3607399A1
公开(公告)日：2020-02-12
申请号：EP17730913.5
申请日：2017-04-03
申请人： Nikon Corporation , Essilor International
发明人： OTON, Eva , NETTER, Estelle
IPC分类号： G02F1/137 , G02F1/139

9. 发明申请

WO2020245375A1 ACTIVE LENS ADAPTED FOR CORRECTING AN ABNORMAL REFRACTION OF AN EYE OF A WEARER 审中-公开
公开(公告)号：WO2020245375A1
公开(公告)日：2020-12-10
申请号：PCT/EP2020/065650
申请日：2020-06-05
申请人： ESSILOR INTERNATIONAL
发明人： LE SAUX, Gilles , NETTER, Estelle , FEUILLADE, Mathieu , GUILLOT, Matthieu
IPC分类号： G02C7/02 , G02C7/08
摘要： An ophthalmic lens intended to be worn in front of an eye of a wearer having a first optical function based on a prescription of the wearer for correcting an abnormal refraction of said eye of the wearer and comprising at least one activable optical element, wherein in a first state the at least one activable optical element contributes with the rest of the lens to focus the image of an object at distance on the retina, and in a second state the at least one activable optical element has a second optical function of not focusing an image on the retina of the eye of the wearer so as to slow down the progression of the abnormal refraction of the eye

10. 发明申请

WO2021122640A1 SYSTEM AND METHOD FOR DETERMINING REFRACTION FEATURES OF BOTH FIRST AND SECOND EYES OF A SUBJECT 审中-公开
公开(公告)号：WO2021122640A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/086278
申请日：2020-12-15
申请人： ESSILOR INTERNATIONAL
发明人： BOUTINON, Stéphane , NETTER, Estelle , HERNANDEZ-CASTANEDA, Martha , BARANTON, Konogan , MARIN, Gildas
IPC分类号： A61B3/028 , G02B3/00 , G02B2027/0138 , G02B2027/014 , G02B27/0025 , G02B27/0093 , G02B27/0172 , G02B30/30
摘要： The invention concerns a system (100) for determining refraction features of both first and second eyes of a subject. According to the invention, the system (100) comprises a light field display device (60), a system of localisation (6) of the positions of the first and second eyes of the subject (10), the light field display device being configured to generate a first light field (71) directed selectively toward the first eye (1), and, respectively, a second light field (72) directed selectively toward the second eye (2), a control unit adapted to adjust said first light field as a function of at least a first refraction parameter associated with at least a first optical aberration for said first eye and the control unit being adapted to adjust said second light field as a function of at least a second refraction parameter associated with at least a second optical aberration for the second eye.

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