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公开(公告)号:US08368735B2
公开(公告)日:2013-02-05
申请号:US12208359
申请日:2008-09-11
CPC分类号: B41J2/45 , G03G15/04054 , G03G15/326 , G03G2215/0409 , H01L2224/48091 , H01L2224/48227 , H01L2224/49175 , H01L2924/00014
摘要: A light emitting head for use in copiers or printers, the light emitting head having an illuminated length, e.g. a print width or copy width, and including a rigid carrier structure provided from a bulk material that spans at least the illuminated length of the head, the bulk material having a coefficient of thermal conduction larger than 100 W/mK and a coefficient of thermal expansion; a plurality of blocks of light elements arranged in a longitudinal array, the blocks having a coefficient of thermal expansion, each of the blocks of light elements having a first and a second surface, each of the blocks of light elements including a plurality of light-emitting elements exposed on a first surface on the block, the plurality of blocks being physically attached to the carrier structure by a conductive adhesive at substantially the second surfaces, and wherein the bulk material has a coefficient of thermal expansion that differs from the thermal expansion coefficient of the block material by a maximum of 5*10−6/K.
摘要翻译: 一种用于复印机或打印机的发光头,所述发光头具有照明长度,例如, 打印宽度或复印宽度,并且包括从散装材料提供的刚性载体结构,其至少跨越头部的照明长度,散装材料具有大于100W / mK的热传导系数和热膨胀系数 ; 以纵向阵列布置的多个光元件块,所述块具有热膨胀系数,每个所述光元件块具有第一和第二表面,每个所述光元件块包括多个发光元件, 暴露在块上的第一表面上的发光元件,多个块通过在基本上第二表面处的导电粘合剂物理地附接到载体结构,并且其中散装材料具有不同于热膨胀系数的热膨胀系数 的块材最大为5 * 10-6 / K。
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公开(公告)号:US20090115833A1
公开(公告)日:2009-05-07
申请号:US12208359
申请日:2008-09-11
申请人: Eric SOULLIAERT , Katleen Verberck , Herman Van De Straete , Danny Smolders , Dirk Broddin , Frank Deschuytere
发明人: Eric SOULLIAERT , Katleen Verberck , Herman Van De Straete , Danny Smolders , Dirk Broddin , Frank Deschuytere
IPC分类号: B41J2/45
CPC分类号: B41J2/45 , G03G15/04054 , G03G15/326 , G03G2215/0409 , H01L2224/48091 , H01L2224/48227 , H01L2224/49175 , H01L2924/00014
摘要: A light emitting head for use in copiers or printers, the light emitting head having an illuminated length, e.g. a print width or copy width, and including a rigid carrier structure provided from a bulk material that spans at least the illuminated length of the head, the bulk material having a coefficient of thermal conduction larger than 100 W/mK and a coefficient of thermal expansion; a plurality of blocks of light elements arranged in a longitudinal array, the blocks having a coefficient of thermal expansion, each of the blocks of light elements having a first and a second surface, each of the blocks of light elements including a plurality of light-emitting elements exposed on a first surface on the block, the plurality of blocks being physically attached to the carrier structure by a conductive adhesive at substantially the second surfaces, and wherein the bulk material has a coefficient of thermal expansion that differs from the thermal expansion coefficient of the block material by a maximum of 5*10−6/K.
摘要翻译: 一种用于复印机或打印机的发光头,所述发光头具有照明长度,例如, 打印宽度或复印宽度,并且包括从散装材料提供的刚性载体结构,其至少跨越头部的照明长度,散装材料具有大于100W / mK的热传导系数和热膨胀系数 ; 以纵向阵列布置的多个光元件块,所述块具有热膨胀系数,每个所述光元件块具有第一和第二表面,每个所述光元件块包括多个发光元件, 暴露在块上的第一表面上的发光元件,多个块通过在基本上第二表面处的导电粘合剂物理地附接到载体结构,并且其中散装材料具有不同于热膨胀系数的热膨胀系数 的块材最大为5 * 10-6 / K。
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