Embodiments relate to systems and methods for securing one or more printed circuit boards to a substrate. The substrate may include retention tabs that form a receiving slot that receives an edge of the printed circuit board. The retention tabs and printed circuit board may have corresponding engagi
Embodiments relate to systems and methods for securing one or more printed circuit boards to a substrate. The substrate may include retention tabs that form a receiving slot that receives an edge of the printed circuit board. The retention tabs and printed circuit board may have corresponding engaging features designed to retain the printed circuit board within the receiving slot and that, in some embodiments, can permit slight movement of the printed circuit board within the receiving slot to accommodate any thermal expansion of the board during use.
대표청구항▼
1. A light engine comprising a printed circuit board and a substrate, wherein: the printed circuit board comprises a width, a length, a longitudinal axis, at least one side edge, a plurality of light emitting diodes (LEDs) extending at least partially along the length of the printed circuit board, a
1. A light engine comprising a printed circuit board and a substrate, wherein: the printed circuit board comprises a width, a length, a longitudinal axis, at least one side edge, a plurality of light emitting diodes (LEDs) extending at least partially along the length of the printed circuit board, and at least one receiver located proximate the at least one side edge; andthe substrate comprises a substrate body having an upper surface extending in a plane and at least one retention tab comprising an upstanding arm extending from the substrate body and a retention arm extending from the upstanding arm, wherein the retention arm comprises a protrusion and wherein the retention arm extends in a plane above the plane of the upper surface of the substrate body such that a receiving slot is formed between the retention arm and the upper surface of the substrate body, wherein the receiving slot is configured to receive a portion of the at least one side edge of the printed circuit board and wherein the at least one receiver is configured to receive the protrusion on the retention arm. 2. The light engine of claim 1, wherein the retention arm extends across only a portion of the width of the printed circuit board. 3. The light engine of claim 1, wherein the protrusion extends from a lower side of the retention arm. 4. The light engine of claim 1, wherein the at least one retention tab comprises a plurality of retention tabs and wherein the at least one receiver comprises a plurality of receivers, wherein at least some of the plurality of receivers each receives the protrusion of one of the plurality of retention tabs. 5. The light engine of claim 1, wherein the protrusion is moveable within the at least one receiver when the protrusion is received in the at least one receiver. 6. The light engine of claim 1, wherein the printed circuit board is configured to snap fit into the receiving slot so as to secure the printed circuit board between the retention arm and the substrate body. 7. The light engine of claim 1, wherein the at least one receiver comprises at least one of an aperture or a depression. 8. The light engine of claim 1, wherein the retention arm extends in a plane substantially parallel to the plane of the upper surface of the substrate body and to a substantially horizontal plane of the receiving slot. 9. The light engine of claim 1, wherein the upstanding arm extends from the substrate body in a direction substantially perpendicular to the plane of the upper surface of the substrate body and to a substantially horizontal plane of the receiving slot. 10. The light engine of claim 1, wherein the at least one retention tab is formed integrally with the substrate body. 11. The light engine of claim 1, wherein the substrate body comprises a thermally-conductive material. 12. The light engine of claim 11, wherein the thermally-conductive material comprises a metallic or polymeric material. 13. A method of securing a printed circuit board to a substrate, wherein the printed circuit board comprises a width, a length, a longitudinal axis, at least one side edge, at least one receiver located a distance from the at least one side edge, and a plurality of LEDs extending at least partially along the length of the printed circuit board and wherein the substrate comprises a substrate body having an upper surface extending in a plane and at least one retention tab comprising an upstanding arm extending from the substrate body and a retention arm comprising a protrusion and extending from the upstanding arm in a plane above the plane of the upper surface of the substrate body such that a receiving slot is formed between the retention arm and the upper surface of the substrate body, the method comprising: a. positioning the printed circuit board on the upper surface of the substrate such that at least a portion of the at least one side edge of the printed circuit board extends substantially parallel to the upstanding arm;b. aligning the at least one receiver on the printed circuit board with the at least one retention tab;c. sliding the printed circuit board into the receiving slot; andd. engaging the at least one receiver on the printed circuit board with the protrusion on the retention arm of the at least one retention tab such that the protrusion seats within the at least one receiver. 14. The method of claim 13, wherein: the at least one retention tab comprises a plurality of retention tabs;the at least one receiver comprises a plurality of receivers;aligning the at least one receiver on the printed circuit board with the at least one retention tab comprises aligning at least some of the plurality of receivers with at least some of the plurality of retention tabs; andengaging the at least one receiver on the printed circuit board with the protrusion on the retention arm of the at least one retention tab comprises engaging the at least some of the plurality of receivers with the protrusion on the retention arm of the at least some of the plurality of retention tabs. 15. The method of claim 13, wherein sliding the printed circuit board into the receiving slot further comprises sliding the printed circuit board in a direction substantially perpendicular to the length of the printed circuit board. 16. A light engine comprising a printed circuit board and a substrate, wherein: the printed circuit board comprises a width, a length, a longitudinal axis, a side edge, a plurality of receivers located proximate the side edge, and a plurality of light emitting diodes (LEDs) extending at least partially along the length of the printed circuit board;the substrate comprises a substrate body having an upper surface extending in a plane and a plurality of retention tabs formed integrally with the substrate body and each comprising an upstanding arm extending from the substrate body and a retention arm extending from the upstanding arm, wherein the retention arm comprises a protrusion extending from a lower side of the retention arm and wherein the retention arm extends in a plane above the plane of the upper surface of the substrate body such that a receiving slot is formed between the retention arm and the upper surface of the substrate body, wherein the receiving slot is configured to receive a portion of the side edge of the printed circuit board; andwhen the side edge of the printed circuit board is positioned within the receiving slot formed between the retention arm of the plurality of retention tabs and the upper surface of the substrate body, the retention arm extends across only a portion of the width of the printed circuit board and the protrusion on the retention arm of at least some of the plurality of retention tabs seats within one of the plurality of receivers on the printed circuit board. 17. The light engine of claim 16, wherein the protrusion on the retention arm of the at least some of the plurality of retention tabs is moveable within the one of the plurality of receivers on the printed circuit board when the protrusion is seated within the one of the plurality of receivers.
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