发明名称 |
BACKLIGHT DEVICE AND TRANSMISSION TYPE DISPLAY APPARATUS |
摘要 |
A backlight device includes: a first prism sheet which has a triangular prism row on a major surface thereof; a first light source which emits light having directivity in a slanted direction with respect to a normal line direction of a light outgoing surface of the first prism sheet in opposite side to the triangular prism row side so as to enter into the triangular prism row of the first prism sheet; and a second light source which emits light having directivity in the normal line direction of the light outgoing surface of the first prism sheet so as to enter into the triangular prism row of the first prism sheet.
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申请公布号 |
US2008198295(A1) |
申请公布日期 |
2008.08.21 |
申请号 |
US20080033547 |
申请日期 |
2008.02.19 |
申请人 |
MITSUBISHI ELECTRIC CORPORATION |
发明人 |
YUUKI AKIMASA;ODA KYOICHIRO;IWASAKI NAOKO;TAHATA SHIN;KOKOGAWA TORU |
分类号 |
G02F1/13;F21V8/00 |
主分类号 |
G02F1/13 |
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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