发明名称 |
Light distribution controller, light-emitting device using the same, and method for fabricating light distribution controller |
摘要 |
A light distribution controller of a light-emitting device includes a first optical member formed of ZnO disposed over an LED interposing a transparent adhesive, and a second optical member which covers the first optical member. The first optical member includes a first concave portion having an opening in a regular hexagon shape whose area gradually increases. In the first concave portion, inner wall surfaces having inclined surfaces, each of whose bases is formed by one side of the hexagon of the opening shape, are formed. Outside of the first optical member, outer wall surfaces each having a trapezoidal shape are formed. The second optical member includes a second concave portion arranged so that light at an annular peak in the light distribution characteristic of the light traveled through the first optical member is totally reflected. |
申请公布号 |
US8669571(B2) |
申请公布日期 |
2014.03.11 |
申请号 |
US201113701998 |
申请日期 |
2011.07.04 |
申请人 |
MURAI AKIHIKO;KUME MASAHIRO;NAKAMURA AKIKO;AOYAGI TOORU;FUJIHARA KIYOSHI;PANASONIC CORPORATION |
发明人 |
MURAI AKIHIKO;KUME MASAHIRO;NAKAMURA AKIKO;AOYAGI TOORU;FUJIHARA KIYOSHI |
分类号 |
H01L33/00 |
主分类号 |
H01L33/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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