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    • 3. 发明授权
    • Lighting apparatus
    • 照明设备
    • US08439519B2
    • 2013-05-14
    • US12816905
    • 2010-06-16
    • Haeng Seok YangSang Kyeong YunChang Seob KimJin Sun JungTae Keun Oh
    • Haeng Seok YangSang Kyeong YunChang Seob KimJin Sun JungTae Keun Oh
    • F21V8/00
    • G02B6/0068F21V2200/20F21Y2113/10F21Y2115/10G02F1/133603G02F1/133615G02F1/133621H05B33/0857
    • Disclosed herein is a lighting apparatus. The lighting apparatus includes: a first light emitting unit including one or more main light sources radiating white light downward; one or more second light emitting units formed at the sides under the first light emitting unit and including one or more sub-light sources radiating color light that is mixed with the white light radiated from the first light emitting unit; and a light guide plate mixing the white light radiated from the main light sources and the color light radiated from the sub-light sources and radiating the mixed light downward.According to the embodiments, it is possible to remove non-uniformity of luminance of the lighting apparatus that can control color temperature by efficiently disposing main light sources radiating white light and sub-light sources radiating color light. Further, it is possible to increase efficiency of the lighting apparatus by radiating light, using all of the main light sources even at any color temperature.
    • 这里公开了一种照明装置。 照明装置包括:第一发光单元,包括一个或多个主要光源向下辐射白光; 一个或多个第二发光单元,形成在第一发光单元下方的侧面,并且包括一个或多个子光源,其散射与从第一发光单元辐射的白光混合的彩色光; 以及导光板,混合从主光源照射的白光和从副光源照射的彩色光,并将混合光向下方照射。 根据实施例,可以通过有效地布置照射白光的主光源和散射彩色光的子光源来消除能够控制色温的照明装置的亮度的不均匀性。 此外,即使在任何色温下也可以使用所有的主光源,通过照射光提高照明装置的效率。
    • 7. 发明授权
    • Color display apparatus having virtual single light origin
    • 具有虚拟单光源的彩色显示装置
    • US07377653B2
    • 2008-05-27
    • US11157480
    • 2005-06-21
    • Haeng Seok YangDong Ho ShinKwan Young OhJun Won AnSang Kyeong Yun
    • Haeng Seok YangDong Ho ShinKwan Young OhJun Won AnSang Kyeong Yun
    • G03B21/28H04N5/74
    • G02B27/1026G02B26/124G02B27/1086G02B27/149G02B27/46H04N9/3129
    • A color display apparatus having a virtual single light origin is disclosed. The color display apparatus includes an illumination lens system, a combining system, a Fourier filter and a projection system. The illumination lens system converts a plurality of light beams, which are radiated from a plurality of light sources, into linear, parallel light beams. The combining system produces a plurality of diffracted light beams having a plurality of diffraction orders by modulating each of the parallel light beams incident from the illumination lens, and outputs the plurality of diffracted light beams so that the diffracted light beams have a same virtual light origin and are adjacently located. The Fourier filter passes only some of the diffracted light beams, which have desired diffraction orders, therethrough. The projection system focuses the diffracted light beams, which are passed through the Fourier filter, on an object, and then allows the focused diffracted light beams to scan the object.
    • 公开了一种具有虚拟单光源的彩色显示装置。 彩色显示装置包括照明透镜系统,组合系统,傅里叶滤波器和投影系统。 照明透镜系统将从多个光源辐射的多个光束转换为线性平行光束。 组合系统通过调制从照明透镜入射的每个平行光束产生多个衍射级的多个衍射光束,并且输出多个衍射光束,使得衍射光束具有相同的虚拟光源 并相邻。 傅里叶滤波器仅通过其中具有期望的衍射级的一些衍射光束。 投影系统将通过傅立叶滤波器的衍射光束聚焦在物体上,然后允许聚焦的衍射光束扫描物体。
    • 10. 发明授权
    • Light modulator type multi-beam scanning apparatus using dichroic slit
    • 光调制器型多光束扫描仪采用二向色缝
    • US07042606B2
    • 2006-05-09
    • US10952378
    • 2004-09-28
    • Haeng-Seok YangSang Kyeong Yun
    • Haeng-Seok YangSang Kyeong Yun
    • G02B26/08
    • G02B27/46G02B26/0808G02B26/105
    • Disclosed herein is a light modulator type multi-beam scanning apparatus using a dichroic slit. The scanning apparatus includes a first lens unit, a plurality of light modulators, a focusing unit, a second lens unit and a third lens unit. The first lens unit converts a plurality of beams of light into collimated beams, respectively, and outputs the collimated beams. The light modulators modulate the collimated beams into diffracted beams having a plurality of diffraction orders. The focusing unit forms a multi-diffracted beam by focusing the diffracted beams having the plurality of diffraction orders. The second lens unit separates the multi-diffracted beam into separate diffracted beams according to diffraction orders. The dichroic slit selectively transmits some of the separate diffracted beams having one or more predetermined diffraction orders. The third lens unit projects the sum of the separate beams onto an object.
    • 这里公开了使用二向色狭缝的光调制器型多光束扫描装置。 扫描装置包括第一透镜单元,多个光调制器,聚焦单元,第二透镜单元和第三透镜单元。 第一透镜单元将多束光束分别转换为准直光束,并输出准直光束。 光调制器将准直光束调制成具有多个衍射级的衍射光束。 聚焦单元通过聚焦具有多个衍射级的衍射光束来形成多衍射光束。 第二透镜单元根据衍射级将多衍射光束分离为分离的衍射光束。 二向色狭缝选择性地透射一些具有一个或多个预定衍射级的单独的衍射光束。 第三透镜单元将单独的光束的总和投影到物体上。