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    • 4. 发明申请
    • Color image sensor
    • 彩色图像传感器
    • US20070002414A1
    • 2007-01-04
    • US11477006
    • 2006-06-28
    • Alexander StuckMarc Schnieper
    • Alexander StuckMarc Schnieper
    • G02B5/32
    • H01L27/14625H01L27/14609H01L27/14621H01L31/02162H01L31/02327
    • A color image sensor has a plurality of pixels. On the pixels zero-order diffractive color filters (DCFs) (1) are arranged. Different zero-order DCFs (1), e.g., DCFs (1) transmitting red, green and blue light, respectively, are allocated to the pixels of the color image sensor. The use of DCFs (1) for color imaging devices brings better defined band-pass or notch filters than the presently used lacquers. The DCFs (1) are more stable with respect to time, temperature and any environmental aggression. The manufacture of the DCF pattern is simpler and cheaper than that of a conventional dye-filter pattern, since the different types of DCFs can be manufactured simultaneously.
    • 彩色图像传感器具有多个像素。 在像素零级衍射滤色器(DCF)(1)上排列。 不同的零级DCF(1),例如分别传输红色,绿色和蓝色光的DCF(1)被分配给彩色图像传感器的像素。 使用DCF(1)进行彩色成像设备带来比目前使用的漆更好的限定带通或陷波滤波器。 DCF(1)在时间,温度和任何环境侵略方面更稳定。 由于可以同时制造不同类型的DCF,DCF图案的制造比传统的染料滤光片图案更简单和便宜。
    • 8. 发明授权
    • Diffractive optical security device
    • 衍射光学安全装置
    • US07787182B2
    • 2010-08-31
    • US11526519
    • 2006-09-25
    • Alexander StuckHarald WalterMarc Schnieper
    • Alexander StuckHarald WalterMarc Schnieper
    • G02B5/18
    • G02B5/203B42D25/29B42D25/328G02B5/1861
    • The diffractive optical device (1) can be used as a security device in the fields of authentication, identification and security. It comprises a zero-order diffractive color filter (3). The diffractive color filter may consist of a microstructured high-index layer (32) embedded between two low-index layers (31, 33). A mirror layer (4) for reflecting towards the diffractive color filter (3) at least part of light transmitted through the diffractive color filter (3) are provided beneath the diffractive color filter. Thanks to the mirror layer (4), the device (1) has a much higher reflected intensity and much more complex spectra than prior-art diffractive color filters.
    • 衍射光学装置(1)可以用作认证,识别和安全性领域的安全装置。 它包括零级衍射滤色器(3)。 衍射滤色器可以由嵌入在两个低折射率层(31,33)之间的微结构化高折射率层(32)组成。 用于向衍射滤色器(3)反射透射通过衍射滤色器(3)的光的至少一部分的镜层(4)设置在衍射滤色器下方。 由于镜层(4),器件(1)具有比现有技术的衍射滤色器高得多的反射强度和更复杂的光谱。