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US 8,616,728 B2Granted
Array solid state lighting device package
AssigneeMicron Technology, Inc.
InventorVladimir Odnoblyudov
Life of this patent
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Abstract
A solid state light (SSL) including solid state emitters (SSEs), and methods of manufacturing SSLs are disclosed herein. In one embodiment, an SSL comprises a support having a first portion and a second portion inward of the second portion. A first set of first SSEs having a first performance specification rating can be located at the first portion, and a second set of second SSEs having a second performance specification rating different than the first performance specification rating can be located at the second portion. The first and second sets of SSEs can emit a desired output across the SSL.
Claims27
A solid state light (SSL) device, comprising:
- a support having a first portion and a second portion inward of the first portion, wherein the first portion is defined by a first operating temperature range and the second portion is defined by a second operating temperature range higher than the first operating temperature range;
- a first set of first solid state emitters (SSEs) at the first portion, wherein individual first SSEs have a first luminous flux rating;
- and
- a second set of second SSEs at the second portion, wherein individual second SSEs have a second luminous flux rating higher than the first luminous flux rating,
- wherein the first and second SSEs are selected based on the first and second operating temperature ranges, respectively, such that the first and second SSEs compensate for changes in luminous flux caused by the different operating temperature ranges in the first and second portions of the support, and
- wherein the individual first and second SSEs are configured to emit a substantially uniform luminous flux across the first and second portions of the support such that the luminous flux of the first SSEs at the first portion is at least substantially the same as the luminous flux of the second SSEs at the second portion.
3 more elements
A solid state light (SSL), comprising:
- a support having a first region and a second region, wherein the first region is defined by a first operating temperature range and the second region is defined by a second operating temperature range higher than the first operating temperature range;
- first solid state emitters (SSEs) located at the first region and having a first performance specification rating, wherein the first performance specification rating comprises a first peak emission wavelength at a given temperature;
- and
- second SSEs located at the second region and having a second performance specification rating different from the first performance specification rating, wherein the second performance specification rating comprises a second peak emission wavelength at the given temperature shorter than the first peak emission wavelength,
- wherein the first and second SSEs with the first and second peak emission wavelengths are selected based on the first and second operating temperature ranges, respectively, such that the first and second SSEs compensate for changes in wavelength caused by the different operating temperature ranges in the first and second regions of the support, and
- wherein the individual first and second SSEs are configured to emit a substantially uniform color of light across the first and second regions of the support such that the color of light in the first region is at least substantially the same as the color of light in the second region.
3 more elements
A multi-solid state light (SSL) apparatus comprising:
- a base having a first portion and a second portion, wherein the first portion is defined by a first operating temperature range and the second portion is defined by a second operating temperature range higher than the first operating temperature range;
- first SSLs located at the first portion and having a first SSL performance specification rating, wherein the first SSL performance specification rating comprises a first luminous flux rating;
- and
- second SSLs located at the second portion and having a second SSL performance specification rating different from the first performance specification rating, wherein the second SSL performance specification rating comprises a second luminous flux rating, and wherein the second luminous flux rating is higher than the first luminous flux rating, and
- wherein the difference between the first and second luminous flux ratings is configured to compensate for the difference between the first and second operating temperature ranges such that the luminous flux emitted by the individual first SSLs at the first portion of the base is at least substantially the same as the luminous flux emitted by the second SSLs at the second portion of the base.
2 more elements
A method of manufacturing a solid state light (SSL), comprising:
- selecting a first set of first solid state emitters (SSEs) based on a first operating temperature range corresponding to a first portion of a support, wherein the first SSEs have a first performance specification rating, and wherein the first performance specification rating includes a first luminous flux rating;
- selecting a second set of second SSEs based on a second operating temperature range corresponding to a second portion of the support and higher than the first operating temperature range, wherein the second SSEs have a second performance specification rating, and wherein the second performance specification rating includes a second luminous flux rating different from the first luminous flux rating;
- arranging the first set of first SSEs at the first portion of the support;
- and
- arranging the second set of second SSEs at the second portion of the support, wherein the difference between the first and second luminous flux ratings compensate for changes in luminous flux caused by the difference between the first and second operating temperature ranges such that the luminous flux of the individual first SSEs at the first portion is at least substantially the same as the luminous flux of the individual second SSEs at the second portion.
2 more elements
A method of manufacturing a solid state light (SSL), comprising:
- selecting first solid state emitters (SSEs) having a first peak emission wavelength at a given temperature based on a first operating temperature range corresponding to a first portion of a support;
- selecting second SSEs having a second peak emission wavelength at the given temperature based on a second operating temperature range corresponding to a second portion of the support, wherein the second operating temperature range is higher than the first operating temperature range, and wherein the and second peak emission wavelength is shorter than the first peak emission wavelength such that the first and second SSEs compensate for a change in wavelength caused by the higher second operating temperature range;
- arranging the first SSEs at the first portion of the support;
- and
- arranging the second SSEs at the second portion of the support, wherein the color of light emitted by the first SSEs at the first portion of the support is at least substantially the same a the color of light emitted by the second SSEs at the second portion of the support.
2 more elements
Dependencies are inferred from the claim text.