SURFACE LIGHT EMITTING DEVICE
PROBLEM TO BE SOLVED: To provide a surface light emitting device making a plurality of positions evenly emit light. SOLUTION: In this surface light emitting device, making the light of a plurality of semiconductor light emitting devices incident on a light guide plate in which a light emitting surfa...
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| creator | IDEGAMI YASUNORI |
| description | PROBLEM TO BE SOLVED: To provide a surface light emitting device making a plurality of positions evenly emit light. SOLUTION: In this surface light emitting device, making the light of a plurality of semiconductor light emitting devices incident on a light guide plate in which a light emitting surface and a diffusingly reflecting surface are disposed opposedly to each other to emit light from the light emitting surface. The device is characterized in that the light guide plate is provided, between inner and outer light guide parts, with an annular reflecting wall part for reflecting light without transmitting it; and in the reflecting wall part, a non-penetrating cut-out part communicating with the inner or outer light guide part is formed on the diffusely reflecting surface side, and at least one of the semiconductor light emitting device is disposed in the cut-out part. The light emitted from the semiconductor light emitting device in the cut-out part is emitted to only either the inner light guide part or the outer light guide part without being directly emitted to the emitting surface side by permeating the reflecting wall part, and the light impinges on the diffusely reflecting surface and extracted from the light emitting surface. COPYRIGHT: (C)2005,JPO&NCIPI |
| format | Patent |
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SOLUTION: In this surface light emitting device, making the light of a plurality of semiconductor light emitting devices incident on a light guide plate in which a light emitting surface and a diffusingly reflecting surface are disposed opposedly to each other to emit light from the light emitting surface. The device is characterized in that the light guide plate is provided, between inner and outer light guide parts, with an annular reflecting wall part for reflecting light without transmitting it; and in the reflecting wall part, a non-penetrating cut-out part communicating with the inner or outer light guide part is formed on the diffusely reflecting surface side, and at least one of the semiconductor light emitting device is disposed in the cut-out part. The light emitted from the semiconductor light emitting device in the cut-out part is emitted to only either the inner light guide part or the outer light guide part without being directly emitted to the emitting surface side by permeating the reflecting wall part, and the light impinges on the diffusely reflecting surface and extracted from the light emitting surface. 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SOLUTION: In this surface light emitting device, making the light of a plurality of semiconductor light emitting devices incident on a light guide plate in which a light emitting surface and a diffusingly reflecting surface are disposed opposedly to each other to emit light from the light emitting surface. The device is characterized in that the light guide plate is provided, between inner and outer light guide parts, with an annular reflecting wall part for reflecting light without transmitting it; and in the reflecting wall part, a non-penetrating cut-out part communicating with the inner or outer light guide part is formed on the diffusely reflecting surface side, and at least one of the semiconductor light emitting device is disposed in the cut-out part. The light emitted from the semiconductor light emitting device in the cut-out part is emitted to only either the inner light guide part or the outer light guide part without being directly emitted to the emitting surface side by permeating the reflecting wall part, and the light impinges on the diffusely reflecting surface and extracted from the light emitting surface. COPYRIGHT: (C)2005,JPO&NCIPI</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BLASTING</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF</subject><subject>HEATING</subject><subject>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</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SEMICONDUCTOR DEVICES</subject><subject>STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJANDg1yc3R2VfDxdPcIUXD19QwJ8fRzV3BxDfN0duVhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGBibGhpaGZkaOxkQpAgDI5iFi</recordid><startdate>20041111</startdate><enddate>20041111</enddate><creator>IDEGAMI YASUNORI</creator><scope>EVB</scope></search><sort><creationdate>20041111</creationdate><title>SURFACE LIGHT EMITTING DEVICE</title><author>IDEGAMI YASUNORI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2004319162A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BLASTING</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF</topic><topic>HEATING</topic><topic>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</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SEMICONDUCTOR DEVICES</topic><topic>STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>IDEGAMI YASUNORI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IDEGAMI YASUNORI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SURFACE LIGHT EMITTING DEVICE</title><date>2004-11-11</date><risdate>2004</risdate><abstract>PROBLEM TO BE SOLVED: To provide a surface light emitting device making a plurality of positions evenly emit light. SOLUTION: In this surface light emitting device, making the light of a plurality of semiconductor light emitting devices incident on a light guide plate in which a light emitting surface and a diffusingly reflecting surface are disposed opposedly to each other to emit light from the light emitting surface. The device is characterized in that the light guide plate is provided, between inner and outer light guide parts, with an annular reflecting wall part for reflecting light without transmitting it; and in the reflecting wall part, a non-penetrating cut-out part communicating with the inner or outer light guide part is formed on the diffusely reflecting surface side, and at least one of the semiconductor light emitting device is disposed in the cut-out part. The light emitted from the semiconductor light emitting device in the cut-out part is emitted to only either the inner light guide part or the outer light guide part without being directly emitted to the emitting surface side by permeating the reflecting wall part, and the light impinges on the diffusely reflecting surface and extracted from the light emitting surface. COPYRIGHT: (C)2005,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY 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 LIGHTING MECHANICAL ENGINEERING SEMICONDUCTOR DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | SURFACE LIGHT EMITTING DEVICE |
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