Light distribution lens of LED streetlamp
The utility model discloses an LED light distribution lens of an LED streetlamp. The light distribution lens comprises a substrate, a light incoming surface and a light outgoing surface, wherein the lower surface of the substrate is provided with an accommodating groove in which an LED lamp bulb is...
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| creator | HOU YU YIN HAOZHI DING PENG FAN DAZHOU XIE HAIXIA |
| description | The utility model discloses an LED light distribution lens of an LED streetlamp. The light distribution lens comprises a substrate, a light incoming surface and a light outgoing surface, wherein the lower surface of the substrate is provided with an accommodating groove in which an LED lamp bulb is arranged, and the light incoming surface is an inner wall of the accommodating groove; and the upper surface of the substrate is provided with a bulge part, and the light outgoing surface is an outer wall of the bulge part. Because the light outgoing surface and the light incoming surface are distributed at two sides of a second reference surface asymmetrically, eccentric light-distribution can be realized, therefore light in partial illumination areas is more intensive and light in partial illumination areas is weaker so as to accord with the road illumination standard, and the utilization rate of light energy is improved; through reasonable setting of structures of the light incoming surface and the light outgoin |
| format | Patent |
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The light distribution lens comprises a substrate, a light incoming surface and a light outgoing surface, wherein the lower surface of the substrate is provided with an accommodating groove in which an LED lamp bulb is arranged, and the light incoming surface is an inner wall of the accommodating groove; and the upper surface of the substrate is provided with a bulge part, and the light outgoing surface is an outer wall of the bulge part. Because the light outgoing surface and the light incoming surface are distributed at two sides of a second reference surface asymmetrically, eccentric light-distribution can be realized, therefore light in partial illumination areas is more intensive and light in partial illumination areas is weaker so as to accord with the road illumination standard, and the utilization rate of light energy is improved; through reasonable setting of structures of the light incoming surface and the light outgoin</description><language>chi ; eng</language><subject>BLASTING ; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF ; HEATING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS ; LIGHTING ; MECHANICAL ENGINEERING ; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR ; WEAPONS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121219&DB=EPODOC&CC=CN&NR=202613315U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121219&DB=EPODOC&CC=CN&NR=202613315U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HOU YU</creatorcontrib><creatorcontrib>YIN HAOZHI</creatorcontrib><creatorcontrib>DING PENG</creatorcontrib><creatorcontrib>FAN DAZHOU</creatorcontrib><creatorcontrib>XIE HAIXIA</creatorcontrib><title>Light distribution lens of LED streetlamp</title><description>The utility model discloses an LED light distribution lens of an LED streetlamp. The light distribution lens comprises a substrate, a light incoming surface and a light outgoing surface, wherein the lower surface of the substrate is provided with an accommodating groove in which an LED lamp bulb is arranged, and the light incoming surface is an inner wall of the accommodating groove; and the upper surface of the substrate is provided with a bulge part, and the light outgoing surface is an outer wall of the bulge part. 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The light distribution lens comprises a substrate, a light incoming surface and a light outgoing surface, wherein the lower surface of the substrate is provided with an accommodating groove in which an LED lamp bulb is arranged, and the light incoming surface is an inner wall of the accommodating groove; and the upper surface of the substrate is provided with a bulge part, and the light outgoing surface is an outer wall of the bulge part. Because the light outgoing surface and the light incoming surface are distributed at two sides of a second reference surface asymmetrically, eccentric light-distribution can be realized, therefore light in partial illumination areas is more intensive and light in partial illumination areas is weaker so as to accord with the road illumination standard, and the utilization rate of light energy is improved; through reasonable setting of structures of the light incoming surface and the light outgoin</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS LIGHTING MECHANICAL ENGINEERING STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | Light distribution lens of LED streetlamp |
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