发明名称 |
MANUFACTURING METHOD FOR LIGHT-GUIDING PLATE, LIGHT-GUIDING PLATE, BACKLIGHT DEVICE, LIGHTING DEVICE, AND PARTITION PLATE DEVICE |
摘要 |
It is an object to provide a partition plate device capable of rendering a light guide plate function as a transparent member likewise a window plate and as a light shielding member used as an area light source having a prescribed pattern. The invented partition plate device includes a light guide plate having, on double sides as major surfaces thereof, plural recess pattern scars formed partly melting through vibration of ultrasound under contacting fabrication dots provided in a matrix shape at an ultrasound fabrication horn to major surfaces thereof with pressure; and a light source unit rendering light enter from a side surface of the light guide plate and diffused light occur from the recess pattern scars, wherein the light guide plate functions as a transparent member while no light enters from the light source unit and functions as a light shielding member made of an area light source having a prescribed pattern formed with the recess pattern scars while light enters from the light source unit. |
申请公布号 |
KR101273959(B1) |
申请公布日期 |
2013.06.12 |
申请号 |
KR20117009329 |
申请日期 |
2010.05.26 |
申请人 |
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发明人 |
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分类号 |
F21S2/00;F21V8/00;G02B6/00;G02F1/13357 |
主分类号 |
F21S2/00 |
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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