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    • 7. 发明申请
    • LIGHTING DEVICE
    • 照明设备
    • WO2012138096A2
    • 2012-10-11
    • PCT/KR2012002484
    • 2012-04-03
    • LG INNOTEK CO LTDLEE DONG HYUNSEONG DONG MUGHONG BEOM SUNEOM JUN PHILL
    • LEE DONG HYUNSEONG DONG MUGHONG BEOM SUNEOM JUN PHILL
    • F21V5/00
    • F21V5/004B29D11/00865F21V5/002F21Y2101/00
    • Disclosed is a lighting device. The lighting device includes a diffusion layer diffusing and emitting light incident from a light source; a bead layer adjacently formed to a light emitting surface of the diffusion layer, including a plurality of beads, and having an air gap formed in a region in which the plurality of beads are not present; and a condensing layer formed on the bead layer and condensing light transmitting the air gap to a predetermined portion. The exemplary embodiment of the present invention can form the air gap on the diffusion layer and the condensing layer by bonding beads to the diffusion layer and thus, can condense the light transmitting the diffusion layer to the condensing layer through the air gap, thereby easily reducing the UGR without disposing the separate barrier rib structure between the diffusion layer and the condensing layer.
    • 公开了一种照明装置。 照明装置包括漫射并发射从光源入射的光的漫射层; 与扩散层的发光面相邻形成的珠粒层,包括多个珠粒,并且在不存在多个珠粒的区域中形成有气隙; 以及形成在所述珠粒层上并将透过所述气隙的光聚光到预定部分的聚光层。 本发明的示例性实施例可以通过将珠焊接到扩散层而在扩散层和聚集层上形成气隙,从而可以将通过气隙将扩散层透射到聚光层的光进行冷凝,从而容易地减少 UGR,而不在扩散层和聚光层之间设置单独的阻挡肋结构。