公开(公告)号：EP1999406A4

公开(公告)日：2010-06-30

申请号：EP06824596

申请日：2006-11-30

申请人： PRISMALENCE AB

发明人： BERGKVIST LARS A

IPC分类号： F21V5/08 ,  F21S8/00 ,  F21V7/06 ,  F21V7/22 ,  F21V13/04 ,  F21W131/10 ,  F21W131/103

CPC分类号： F21V13/04 ,  F21S8/08 ,  F21V5/02 ,  F21V5/04 ,  F21V5/08 ,  F21V7/06 ,  F21V7/22 ,  F21W2131/10 ,  F21W2131/1005 ,  F21W2131/103

公开(公告)号：EP1999406A1

公开(公告)日：2008-12-10

申请号：EP06824596.8

申请日：2006-11-30

申请人： Prismalence AB

发明人： BERGKVIST, Lars A

IPC分类号： F21V5/08 ,  F21V13/04 ,  F21V7/06

CPC分类号： F21V13/04 ,  F21S8/08 ,  F21V5/02 ,  F21V5/04 ,  F21V5/08 ,  F21V7/06 ,  F21V7/22 ,  F21W2131/10 ,  F21W2131/1005 ,  F21W2131/103

摘要： The present invention relates to a light fitting or light fixture (1) that includes a light source (2), a reflector (3) and a glass cover (4), wherein the light source (2) has a generally punctiform configuration and wherein the surface of the glass cover (4) includes a large quantity of lenses (5) which are intended to diffract the light asymmetrically so as to illuminate a rectangular square surface area at right angles to the optical axis of respective lenses (5). The invention is characterized in that the glass cover (4) comprises mutually parallel and upwardly projecting crests (7) defined by two mutually opposing side surfaces (8, 9) that are angled with respect to each other, wherein each crest (7) has a wave form in the longitudinal direction of the crest such that the height of the crest (7) will vary, in that the bottom surface between two mutually adjacent crests has a corresponding wave form such that the height of the bottom will vary, in that the width of the crest (7) at its bases (10) is constant or varying, meaning that the side surfaces (8, 9) of the crests (7) will have a wave form that corresponds to the variations in height of the crest, wherein each wave section of a crest (7) forms a prism for diffracting incident light from the reflector (3), whereby the top angle of the crests (7) causes light to be spread in a first direction and where the wave form of the crest side surfaces (8, 9) causes light to spread in a second direction at right angles to said first direction and in that the light from each prism illuminates a part of the illuminated surface.

公开(公告)号：EP2232129A4

公开(公告)日：2013-10-09

申请号：EP09704916

申请日：2009-01-12

申请人： PRISMALENCE AB

发明人： BERGKVIST LARS A

IPC分类号： F21V5/04 ,  F21S8/00 ,  F21S13/00 ,  F21V5/02 ,  F21V5/08 ,  F21V13/04

CPC分类号： F21V13/04 ,  F21V5/02 ,  F21V5/04 ,  F21W2131/10

公开(公告)号：EP1999406B1

公开(公告)日：2011-05-04

申请号：EP06824596.8

申请日：2006-11-30

申请人： Prismalence AB

发明人： BERGKVIST, Lars A

IPC分类号： F21V5/08 ,  F21V13/04 ,  F21V7/06 ,  F21S8/00 ,  F21V7/22 ,  F21W131/103 ,  F21W131/10

CPC分类号： F21V13/04 ,  F21S8/08 ,  F21V5/02 ,  F21V5/04 ,  F21V5/08 ,  F21V7/06 ,  F21V7/22 ,  F21W2131/10 ,  F21W2131/1005 ,  F21W2131/103

摘要： The present invention relates to a light fitting or light fixture (1) that includes a light source (2), a reflector (3) and a glass cover (4), wherein the light source (2) has a generally punctiform configuration and wherein the surface of the glass cover (4) includes a large quantity of lenses (5) which are intended to diffract the light asymmetrically so as to illuminate a rectangular square surface area at right angles to the optical axis of respective lenses (5). The invention is characterized in that the glass cover (4) comprises mutually parallel and upwardly projecting crests (7) defined by two mutually opposing side surfaces (8, 9) that are angled with respect to each other, wherein each crest (7) has a wave form in the longitudinal direction of the crest such that the height of the crest (7) will vary, in that the bottom surface between two mutually adjacent crests has a corresponding wave form such that the height of the bottom will vary, in that the width of the crest (7) at its bases (10) is constant or varying, meaning that the side surfaces (8, 9) of the crests (7) will have a wave form that corresponds to the variations in height of the crest, wherein each wave section of a crest (7) forms a prism for diffracting incident light from the reflector (3), whereby the top angle of the crests (7) causes light to be spread in a first direction and where the wave form of the crest side surfaces (8, 9) causes light to spread in a second direction at right angles to said first direction and in that the light from each prism illuminates a part of the illuminated surface.

公开(公告)号：EP2232129A1

公开(公告)日：2010-09-29

申请号：EP09704916.7

申请日：2009-01-12

申请人： Prismalence AB

发明人： BERGKVIST, Lars A.

IPC分类号： F21V5/04 ,  F21V5/08 ,  F21S13/00 ,  F21V13/04

CPC分类号： F21V13/04 ,  F21V5/02 ,  F21V5/04 ,  F21W2131/10

摘要： A light fitting (1) for illumination comprising a source of light (2), a reflector (3) and a glass cover (4), where the source of light (2) has an essentially punctiform configuration, where the surface of the glass cover (4) comprises a number of lenses (5) arranged to refract the light in an asymmetrical manner such that a rectangular or square area on a surface that is perpendicular to the optical axis of the lens (5) is illuminated, where the glass cover (4) comprises mutually parallel and upwardly protruding crests (7) formed by two opposing side surfaces (8, 9) that are angled to one another, whereby each wave section of a crest (7) constitutes a prism for the refraction of light incident from the reflector (3). The invention is characterised in that a part of the first- mentioned lenses (5) has been removed in the centre of the said glass cover (4) and replaced by a second lens (10), in that the said second lens (10) comprises a number of lenses, where each one of these lenses has a square or rectangular shape as seen in the direction of the light passing from the reflector, and is arranged to refract the light in an asymmetrical manner such that on a surface that is perpendicular to the optical axis of the lens a rectangular or square area is illuminated.