摘要:
A handheld device (10), including a projector module (20) which includes a light source having a laser or at least one light emitting diode; a thermal management system which includes a heat collector (30) formed of a material having a thermo-mechanical design constant of at least 10 mm-W/m*K and having a non-planar shape, the heat collector in thermal contact with the light source; a heat spreader (40) having a surface area at least 1.5 times that of the surface area of the heat collector and a thermo-mechanical design constant of at least 10 mm-W/m*K, the heat spreader positioned in thermal contact with the heat collector, wherein thermo-mechanical design constant of a material is defined by thermal conductivity of the material multiplied by its average thickness.
摘要:
A handheld device (10), including a projector module (20) which includes a light source having a laser or at least one light emitting diode; a thermal management system which includes a heat collector (30) formed of a material having a thermo-mechanical design constant of at least 10 mm-W/m*K and having a non-planar shape, the heat collector in thermal contact with the light source; a heat spreader (40) having a surface area at least 1.5 times that of the surface area of the heat collector and a thermo-mechanical design constant of at least 10 mm-W/m*K, the heat spreader positioned in thermal contact with the heat collector, wherein thermo-mechanical design constant of a material is defined by thermal conductivity of the material multiplied by its average thickness.
摘要:
A light fixture (10), having a circuit board (20) having first and second major surfaces (20a and 20b); at least one light emitting diode (25) mounted on the first major surface (20a) of the circuit board (20); an enclosure (30) formed of a material having two major surfaces (30a and 30b) and a thermo-mechanical design constant of at least 20 mm-W/m*K and shaped so as to define an opening (32) and a cavity (33), one of the major surfaces (30a) of the material defining the surface of the cavity (33) and the enclosure (30) positioned so as to enclose the second major surface (20b) of the circuit board (20); a heat spreader (40) having a surface area at least twice that of the circuit board and a thermo-mechanical design constant of at least 10 mm-W/m*K, the heat spreader (40) positioned in thermal contact with both the circuit board (20) and the enclosure (30).
摘要翻译:一种灯具(10),具有具有第一和第二主表面(20a和20b)的电路板(20)。 安装在电路板(20)的第一主表面(20a)上的至少一个发光二极管(25); 由具有两个主表面(30a和30b)和至少20mm-W / m * K的热机械设计常数的材料形成的外壳(30),并且形成为限定开口(32)和腔 (33),所述材料的主表面(30a)中的一个限定所述空腔(33)的表面和所述外壳(30),其被定位成包围所述电路板(20)的所述第二主表面(20b); 散热器(40)具有至少两倍于电路板的表面积和热机械设计常数至少为10mm-W / m * K的散热器(40),散热器(40)定位成与两个 电路板(20)和外壳(30)。
摘要:
A lithium ion battery pack includes a plurality of prismatic lithium polymer cells and one or more graphite heat spreaders. Each spreader has at least two major surfaces and is made of one of a sheet of a compressed mass of exfoliated graphite particles, a graphitized polyimide sheet, or combinations thereof.
摘要:
A lithium ion battery pack includes a plurality of prismatic lithium polymer cells and one or more graphite heat spreaders. Each spreader has at least two major surfaces and is made of one of a sheet of a compressed mass of exfoliated graphite particles, a graphitized polyimide sheet, or combinations thereof.
摘要:
A display device includes a heat sink and an LCD panel having peripheral edges. The LCD panel includes a non-activated area extending inwardly a predetermined distance from the peripheral edges. A thermal link is provided, made from an anisotropic graphite material, and is in thermal contact with the heat sink and with at least a portion of the non-activated area of said LCD panel.
摘要:
A display device includes a heat sink and an LCD panel having peripheral edges. The LCD panel includes a non-activated area extending inwardly a predetermined distance from the peripheral edges. A thermal link is provided, made from an anisotropic graphite material, and is in thermal contact with the heat sink and with at least a portion of the non-activated area of said LCD panel.
摘要:
A method for reducing temperature-caused degradation of the performance of a digital reader comprising pixels, the method including positioning at least one sheet of compressed particles of exfoliated graphite adjacent to a plurality of the pixels of the digital reader.
摘要:
A method for reducing temperature-caused degradation of the performance of a digital reader comprising pixels, the method including positioning at least one sheet of compressed particles of exfoliated graphite adjacent to a plurality of the pixels of the digital reader.
摘要:
A solar absorber system includes a solar absorbing layer that receives and converts solar radiation to thermal energy. The solar absorber assembly includes an anisotropic material to more effectively move the absorbed energy to a fluid conduit for capture and storage.