IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0417896
(2003-04-16)
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발명자
/ 주소 |
- Swaris, Jagath
- Van Ness, Scott
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출원인 / 주소 |
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대리인 / 주소 |
Knobbe, Martens, Olson &
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인용정보 |
피인용 횟수 :
59 인용 특허 :
26 |
초록
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A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. A hea
A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. A heat conductive adhesive tape connects the LED module to the mount surface. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. A plurality of such LED modules can be pre-wired together in a substantially continuous fashion and provided in a dispenser, such as a roll or box. Thus, to install a plurality of such LED modules, a worker simply pulls modules from the dispenser as needed, secures the appropriate number of modules in place, and connects the assembled modules to a power source.
대표청구항
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1. A method of making an illuminated signage system, comprising:providing a sign member comprising at least one channel defined by a plurality of surfaces; providing a plurality of light emitting diode (LED) modules, each of the LED modules comprising: at least one LED; a plurality of electrically c
1. A method of making an illuminated signage system, comprising:providing a sign member comprising at least one channel defined by a plurality of surfaces; providing a plurality of light emitting diode (LED) modules, each of the LED modules comprising: at least one LED; a plurality of electrically conductive contacts, the at least one LED electrically communicating with at least one of the contacts; a dielectric portion, the contacts being connected to a side of the dielectric portion; a heat conductive body; and an adhesive layer, the heat conductive body being disposed between the dielectric portion and the adhesive layer; electrically connecting the plurality of LED modules to each other; and adhering the adhesive layer of each module to at least one of the channel surfaces. 2. The method of claim 1, wherein the adhesive layer comprises a thermally conductive tape.3. The method of claim 2, wherein the tape comprises a backing, and additionally comprising removing the backing to expose the adhesive layer.4. The method of claim 2, wherein the tape layer comprises a pair of flexible tape members that extend from opposing edges of the module, and additionally comprising engaging the flexible tape members with the channel surface.5. The method of claim 2, wherein the thermally conductive tape layer comprises a thin metallic layer.6. The method of claim 2, wherein the heat conductive body is substantially flat.7. The method of claim 6, wherein at least one channel surface is flat, and additionally comprising adhering at least one of the modules to the flat channel surface.8. The method of claim 1, wherein the heat conductive body has a thermal conductivity greater than about 100W/mK.9. The method of claim 8, wherein the channel surface has a thermal conductivity greater than about 100W/mK.10. The method of claim 1 additionally comprising adhering at least one module to each of at least two of the channel surfaces.11. The method of claim 1 additionally comprising providing a translucent diffuser and attaching the diffuser to a front of the channel.12. The method of claim 11 additionally comprising arranging the modules on the channel surfaces so that light from the modules does not shine directly at the diffuser.13. The method of claim 1, wherein at least some of the plurality of modules are arranged electrically in parallel.14. The method of claim 1 additionally comprising electrically connecting the modules to one another before adhering them to the channel surface.15. The method of claim 14 additionally comprising forming a linear chain of modules by electrically connecting adjacent modules.16. The method of claim 1, wherein the modules are arranged in a dispenser, and additionally comprising drawing successive modules from the dispenser and adhering them into place in the channel.17. A lighting system comprising:a plurality of lighting modules adapted to be mounted on a surface of a heat conductive member, each module comprising: a plurality of light emitting diodes (LEDs); a plurality of electrically conductive contacts, each of the LEDs electrically communicating with at least one of the contacts in a manner so that the LEDs are configured in a series array between opposing first and second edges of the module; a dielectric layer having a first side and a second side, the contacts being connected to the first side; a first electrically conductive power trace and a second electrically conductive power trace disposed on the first side of the dielectric layer, a first one of the contacts being electrically connected to the first trace, and a second one of the contacts being electrically connected to the second trace, the first contact being electrically connected to a positive lead of the series array of LEDs, and the second contact being electrically connected to a negative lead of the series array of LEDs; and an adhesive layer adapted to fasten the module to a surface of a heat conductive member such that heat from the module is drawn into the heat conductive member through the adhesive; wherein a plurality of modules are electrically interconnected in a manner so that the first and second power traces of a first module are connected to the first and second power traces of a second module; and a dispenser, the plurality of interconnected modules being disposed in the dispenser and arranged such that a selected portion of the interconnected modules may be successively dispensed from the dispenser and removed therefrom. 18. A lighting system as in claim 17, wherein the first and second modules are connected by a first wire extending between the first traces of the modules and a second wire extending between the second traces of the modules.19. A lighting system as in claim 17, wherein a connector is disposed on each of the first and second modules in electrical communication with the first and second traces of the respective module, and a pair of wires have a wire connector on each end of the pair of wires, the wire connectors being adapted to matingly engage the module connectors.20. A lighting system as in claim 17, wherein each of the modules includes a main body layer disposed between the dielectric layer and the adhesive layer.21. A lighting system as in claim 17, wherein the dispenser comprises a roller.22. A lighting system as in claim 17, wherein the dispenser comprises a container, and the modules are arranged in the container in an overlapping zigzag pattern.23. A lighting system, comprising:a plurality of interconnected elongate modules, each module comprised of a plurality of light emitting diodes (LEDs) mounted on a dielectric member and arranged in a linear, series connected array along the length of the elongate module, said modules electrically connected in parallel by flexible conductors; wherein the interconnected modules are arranged on a dispenser such that a selected portion of the interconnected modules may be successively dispensed from the dispenser and removed therefrom. 24. The lighting system of claim 23, wherein each modules comprises an adhesive applied to the dielectric member.25. The lighting system of claim 24, wherein each modules comprises a peel away backing disposed on the adhesive.26. The lighting system of claim 23, wherein the dispenser comprises a roller, and interconnected modules are wound about the roller.27. The lighting system of claim 23, wherein the dielectric member has a flat surface, and an adhesive is disposed on the flat surface.28. The lighting system of claim 23, wherein the interconnected modules are disposed in a coiled arrangement.29. A method of making a channel illumination apparatus, comprising:providing a channel body having an interior surface; providing a plurality of interconnected modules, each module comprised of a thermally conductive main body having first and second generally opposed surfaces, a dielectric member having first and second generally opposed surfaces, at least one light emitting diode (LED) mounted on the first surface of the dielectric member, said body first surface contacting at least a substantial portion of the second surface of the dielectric member, said modules electrically connected in parallel by flexible conductors, the interconnected modules being arranged on a dispenser such that a selected portion of the interconnected modules may be successively dispensed from the dispenser and removed therefrom; drawing successive modules from the dispenser; and mounting the second body surface to the interior surface of the channel body. 30. The method of claim 29, wherein each of the modules comprising an adhesive layer having a peel away backing, and comprising peeling away the backing and the adhering the modules to the channel surface.31. The method of claim 29, wherein the dispenser comprises a roller, and the plurality of interconnected modules and flexible conductors are provided wound about the roller, and drawing successive modules from the dispenser comprises unwinding modules and flexible conductors from the roller.
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