摘要:
An LED module is described with a base 10 made out of a heat conducting material. An LED element (32) is arranged in a cavity (11) of the base. A collimator reflector (70) is formed by reflective surfaces (24, 64, 66a). Three of these reflective surfaces (66a, 66b, 64) are provided on a plastic insert (60) received in the cavity (11). A further reflective surface (24) is provided on the base (10) itself. This surface (24) has a straight border line (50). The collimator reflector (70) is arranged to reflect light from the LED (32) so that a cut-off (72) is formed by the straight border line (50). By thus integrating the cut-off, as the most critical optical element, into the base (10) itself, high accuracy is achieved.
摘要:
The present invention relates to a LED module (10) comprising a substrate (12), at least one LED chip (20) mounted on a first side of said substrate, and an optical element (21) covering the LED chip(s) (20). The substrate (12) is further provided with at least one via channel (22) extending from the first side of the substrate to a second opposite side of the substrate, whereby the via channel(s) is provided with conducting means for electrically connecting the at least one LED chip (20) to a control circuit (32). By providing the substrate with via channels with conducting means, the control circuit may be connected at the second side (the bottom side) or at the edge of the substrate. Thus, no top mounted electrical interface is required from the substrate, which is advantageous with respect to miniaturization, light emission, etcetera.
摘要:
The present invention relates to a printed circuit board arrangement with a multi-layer substrate (1, 2) having a buried conductor (4) and a contact area (3), connected to the conductor (4) and being disposed on a surface of the substrate. In order to improve the cooling of the buried conductor, a metal cooling area (6) is provided above the conductor (4), and is connected to the conductor by means of one or more via conductors (7).
摘要:
An illuminator includes a substrate, a structured conductive layer applied to one surface of the substrate, and at least one light source connected to the structured conductive layer. The illuminator further includes an unstructured reflective layer applied on top of the structured conductive layer. The unstructured reflective layer has an essentially continuous extension at least in a surrounding of the at least one light source.
摘要:
The present invention relates to an illuminator (10) comprising a substrate (12), a structured conductive layer (16) applied to one surface of the substrate, and at least one light source (18, 26) connected to the structured conductive layer. The illuminator is characterized in that it further comprises an unstructured reflective layer (24) applied on top of said structured conductive layer, which unstructured reflective layer has an essentially continuous extension at least in a surrounding of the at least one light source. Due to the unstructured reflective layer, the optical efficiency of the illuminator can be improved. The invention also relates to a method for producing such illuminator.
摘要:
A light source comprising a substrate (1) having a first side and an opposing second side, at least one recess (2) being arranged in said first side of said substrate, a circuitry (4) at least partly arranged on said substrate (1), and at least one LED (3) being arranged in said at least one recess (2) and connected to said circuitry (4) is provided. The surface of said at least one recess (2) is continuous and is physically separated from said second side by substrate material. By arranging the LED in such a recess in the substrate, cross talk between adjacent LEDs is reduced, a good mechanical stability of the light source is maintained, and the thermal path through the substrate is reduced.
摘要:
A light-emitting module (3a-c; 23; 26; 33a-c) comprising a plurality of light-sources (12a-e; 27a-h) arranged in at least a first and a second column (18a-b; 28a-c) arranged side by side and extending along a first direction of extension (X1) of the light-emitting module (3a-c; 23; 26; 33a-c); and a plurality of connector terminal pairs (13a-b, 14a-b, 15a-b, 16a-b 17a-b), each being electrically connected to a corresponding one of the light-sources (3a-c; 23; 26; 33a-c) for enabling supply of electrical power thereto. Each connector terminal pair (13a-b, 14a-b, 15a-b, 16a-b 17a-b) comprises a first connector terminal (13a, 14a, 15a, 16a 17a) and a second connector terminal (13b, 14b, 15b, 16b 17b) being arranged at opposite sides of the light-emitting module (3a-c; 23; 26; 33a-c). The light-sources (12a-e; 27a-h) are arranged in a predetermined light-source sequence along the first direction of extension (X1) of the light-emitting module (3a-c; 23; 26; 33a-c), and the connector terminal pairs (13a-b, 14a-b, 15a-b, 16a-b 17a-b) being electrically connected to the corresponding light-sources (12a-e; 27a-h) are arranged in the predetermined light-source sequence along the first direction of extension (X1) of the light-emitting module.
摘要:
A light-emitting module (3a-c; 23; 26; 33a-c) comprising a plurality of light-sources (12a-e; 27a-h) arranged in at least a first and a second column (18a-b; 28a-c) arranged side by side and extending along a first direction of extension (X1) of the light-emitting module (3a-c; 23; 26; 33a-c); and a plurality of connector terminal pairs (13a-b, 14a-b, 15a-b, 16a-b 17a-b), each being electrically connected to a corresponding one of the light-sources (3a-c; 23; 26; 33a-c) for enabling supply of electrical power thereto. Each connector terminal pair (13a-b, 14a-b, 15a-b, 16a-b 17a-b) comprises a first connector terminal (13a, 14a, 15a, 16a 17a) and a second connector terminal (13b, 14b, 15b, 16b 17b) being arranged at opposite sides of the light-emitting module (3a-c; 23; 26; 33a-c). The light-sources (12a-e; 27a-h) are arranged in a predetermined light-source sequence along the first direction of extension (X1) of the light-emitting module (3a-c; 23; 26; 33a-c), and the connector terminal pairs (13a-b, 14a-b, 15a-b, 16a-b 17a-b) being electrically connected to the corresponding light-sources (12a-e; 27a-h) are arranged in the predetermined light-source sequence along the first direction of extension (X1) of the light-emitting module.
摘要:
For the production of a SLM device, one mounts a spatial light modulator (SLM) (2) on a substrate (3) of the same material as the main material of the SLM (2) to be juxtaposed with the substrate (3). Particularly, silicon based SLMs (2) are mounted on a silicon substrate (3). This leads to arrays of SLMs (2) that maintain a high accuracy with respect to position of the SLMs (2) and planarity. To further improve the planarity, it is preferred to mount the SLMs (2) on the substrate (3) by soldering, using the self-aligning effect of solder connections (20).
摘要:
The invention relates to the manufacture of a semiconductor device (10) which is suitable for surface mounting of a semiconductor body (1) provided with connection regions (2) for, for example, a diode.In a method, a flexible foil (6) comprises a conductor pattern (4) and an insulating layer (3), and is detachably secured, on the side of the conductor pattern (4), to a substrate (7).