COMPOSANT OPTIQUE TRANSPARENT A DEUX ENSEMBLES DE CELLULES

    公开(公告)号:FR2910642A1

    公开(公告)日:2008-06-27

    申请号:FR0611377

    申请日:2006-12-26

    Applicant: ESSILOR INT

    Abstract: Un composant optique transparent comprend deux ensembles de cellules (1) disposées dans des couches respectives (10, 20) superposées. Chaque cellule (1) contient un matériau actif optiquement et les cellules de chaque ensemble sont isolées les unes des autres par des portions de séparation (2) au sein de la couche correspondante. Les cellules (1) d'une couche sont décalées par rapport aux cellules de l'autre couche de façon à être situées au droit des portions de séparation (2) appartenant à l'autre couche. Un tel composant optique présente une transparence améliorée par rapport à des composants à une seule couche de cellules ou à cellules superposées.

    2.
    发明专利
    未知

    公开(公告)号:DE68907695T2

    公开(公告)日:1994-02-03

    申请号:DE68907695

    申请日:1989-11-07

    Applicant: ESSILOR INT

    Abstract: The present invention relates to a finished diffractive contact lens, characterised in that it comprises a layer (50) of a material which is optically transparent and exhibits a smooth external surface (51), placed on the finished dioptric lens (16) in such a manner as to submerge the finishing. … …

    3.
    发明专利
    未知

    公开(公告)号:FR2642855B1

    公开(公告)日:1991-05-17

    申请号:FR8901472

    申请日:1989-02-06

    Applicant: ESSILOR INT

    Abstract: The lens comprises diffracting components, the contour of which is delimited by non-degenerate centred conic sections. More precisely, according to the invention, the lens comprises adjacent diffracting components of hyperbolic or elliptical contour whose periodicity in r in two mutually-orthogonal directions X, Y, passing through the axis of the lens and being coincident with the principal axes of the hyperbolae or ellipses is determined respectively by the expressions: DELTA r x = 2 lambda ¦fx¦ , DELTA r y = 2 lambda ¦fy¦ in which: DELTA r x represents the periodicity in r in the direction X, DELTA r y represents the periodicity in r in the direction Y, lambda represents the average wavelength of use, fx represents the desired focal point in the plane X and fy represents the desired focal point in the plane Y. … …

    4.
    发明专利
    未知

    公开(公告)号:FR2638859A1

    公开(公告)日:1990-05-11

    申请号:FR8814634

    申请日:1988-11-09

    Applicant: ESSILOR INT

    Abstract: The present invention relates to a finished diffractive contact lens, characterised in that it comprises a layer (50) of a material which is optically transparent and exhibits a smooth external surface (51), placed on the finished dioptric lens (16) in such a manner as to submerge the finishing. … …

    realização de um composto ótico transparente com estrutura celular

    公开(公告)号:BR112012029580A2

    公开(公告)日:2016-08-02

    申请号:BR112012029580

    申请日:2011-05-16

    Abstract: realização de um composto ótico transparente com estrutura celular. a presente invenção refere-se um componente ótico transparente com estrutura celular que compreende uma rede de paredes (106) que forma um conjunto de células (104) justapostas paralelamente a uma superfície do componente. para realizar esse componente, determina-se inicialmente um conjunto irregular de pontos (101, 105) na superfície do componente, cada ponto sendo destinado a formar um centro de uma das células. em seguida, determina-se uma posição e uma orientação de cada parede, de modo que o conjunto das células forme uma divisão de voronoï da superfície do componente. o componente apresenta então um nível de transparência que é compatível com uma utilização ótica ou oftálmica.

    6.
    发明专利
    未知

    公开(公告)号:FR2910642B1

    公开(公告)日:2009-03-06

    申请号:FR0611377

    申请日:2006-12-26

    Applicant: ESSILOR INT

    Abstract: A transparent optical component comprises two sets of cells (1) disposed in respective superposed layers (10, 20). Each cell (1) contains an optically active material, and the cells in each set are isolated from one another by separating portions (2) within the corresponding layer. The cells (1) of one layer are offset relative to the cells of the other layer so as to be located in line with the separating portions (2) pertaining to the other layer. Such optical component exhibits transparency that is improved compared with components having a single layer of cells or cells that are superposed.

    7.
    发明专利
    未知

    公开(公告)号:DE68905661T2

    公开(公告)日:1993-10-28

    申请号:DE68905661

    申请日:1989-05-17

    Applicant: ESSILOR INT

    Abstract: The present invention relates to an ophthalmic lens which characteristically comprises at least two concentric regions (110, 120) possessing diffractive components (110a, 110b...; 120a, 120b...) having differing phase profiles in order to utilise differing diffraction orders (n). The diffractive components (110a, 110b...; 120a, 120b...) can be formed from 3-D holograms or index holograms.

    9.
    发明专利
    未知

    公开(公告)号:FR2638859B1

    公开(公告)日:1991-02-08

    申请号:FR8814634

    申请日:1988-11-09

    Applicant: ESSILOR INT

    Abstract: The present invention relates to a finished diffractive contact lens, characterised in that it comprises a layer (50) of a material which is optically transparent and exhibits a smooth external surface (51), placed on the finished dioptric lens (16) in such a manner as to submerge the finishing. … …

    ELEMENT OPTIQUE TRANSPARENT A PLUSIEURS COUCHES CONSTITUEES DE PAVAGES CELLULAIRES

    公开(公告)号:FR2972814A1

    公开(公告)日:2012-09-21

    申请号:FR1152134

    申请日:2011-03-16

    Abstract: Un élément optique transparent (100) comprend plusieurs couches (1, 2) superposées qui sont formées chacune de cellules dans lesquelles des valeurs d'un déphasage optique sont réalisées. Les couches sont agencées de sorte que des limites entre certaines cellules contiguës d'une des couches coupent des cellules d'une autre couche. De cette façon, une taille apparente de cellule utile peut être réduite pour reproduire une distribution cible du déphasage optique avec plus de précision. En outre, une amplitude maximale de variations du déphasage optique qui sont produites par l'élément augmente avec le nombre de couches superposées. Un chromatisme de la fonction dioptrique de l'élément peut aussi être réduit.

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