COMPACT LITTROW-TYPE SCANNING SPECTROGRAPH
    81.
    发明公开
    COMPACT LITTROW-TYPE SCANNING SPECTROGRAPH 审中-公开
    紧凑型LITTROW型扫描光谱

    公开(公告)号:EP1451541A2

    公开(公告)日:2004-09-01

    申请号:EP01988169.7

    申请日:2001-11-19

    Abstract: A Littrow-type spectrometer or monochromator (10) using a folded light path to provide a compact optical instrument is disclosed. Light enters the instrument through an inlet aperture on a planar mirror (14). The aperture is located at the focus of a parabolic collimetor-mirror (18). Collimated light reflected by the parabolic mirror is reflected back to the planar mirror, which is positioned at an angle to the collimated light. The light reflected from the planar mirror is directed at a planar grating (20) that produces diffracted light having all the wavelengths input into the system, including light of a selected wavelength, back towards the planar mirror. Light having the selected wavelength is thus caused to fall on the parabolic mirror. The parabolic mirror then focuses the selected wavelength of light ont a light exit aperture that is juxtaposed to the inlet light aperture. The planar grating can be rotatably mounted to scan the input light spectrum.

    Abstract translation: 公开了利用折叠光路提供小型光学仪器的利特罗型分光计或单色器​​(10)。 光线通过平面镜(14)上的入口进入仪器。 光圈位于抛物面准直镜(18)的焦点处。 由抛物面镜反射的准直光被反射回平面镜,该平面镜与平行光成一定角度。 从平面镜反射的光被导向平面光栅(20),该平面光栅产生具有输入到系统中的所有波长(包括选定波长的光)的衍射光返回平面镜。 具有选定波长的光因此落在抛物面镜上。 抛物面反射镜然后将选定波长的光聚焦在与入射光孔并列的光出射孔上。 平面光栅可旋转安装以扫描输入光谱。

    Colorimetry system for display testing

    公开(公告)号:EP3054273B1

    公开(公告)日:2019-07-24

    申请号:EP15154349.3

    申请日:2015-02-09

    Abstract: The invention relates to a method for two-dimensional, spatially resolved measurement of tristimulus values of light emitted from a plurality of positions on a sample. It is an object of the invention to provide an improved method and system for spatially resolved chromaticity and luminance measurement in a standardized color space for display testing. The method of the invention comprises the steps of: - directing a first portion of the light to an RGB camera which produces a two-dimensional map of RGB color values; - transforming the RGB color values into first tristimulus values to produce a map of tristimulus values; - directing a second portion of the light to a colorimeter which produces second tristimulus values; - deriving a tristimulus correction by comparing the second tristimulus values with at least a subset of the first tristimulus values; and - applying the tristimulus correction to the first tristimulus values to produce a corrected map of tristimulus values. Moreover, the invention relates to an imaging colorimeter system capable of two-dimensional, spatially resolved measurement of tristimulus values of light emitted from a plurality of positions on a sample.

    Colorimetry system for display testing
    89.
    发明公开
    Colorimetry system for display testing 有权
    Kolorimetriesystem zurAnzeigeprüfung

    公开(公告)号:EP3054273A1

    公开(公告)日:2016-08-10

    申请号:EP15154349.3

    申请日:2015-02-09

    Abstract: The invention relates to a method for two-dimensional, spatially resolved measurement of tristimulus values of light emitted from a plurality of positions on a sample. It is an object of the invention to provide an improved method and system for spatially resolved chromaticity and luminance measurement in a standardized color space for display testing. The method of the invention comprises the steps of:
    - directing a first portion of the light to an RGB camera which produces a two-dimensional map of RGB color values;
    - transforming the RGB color values into first tristimulus values to produce a map of tristimulus values;
    - directing a second portion of the light to a colorimeter which produces second tristimulus values;
    - deriving a tristimulus correction by comparing the second tristimulus values with at least a subset of the first tristimulus values; and
    - applying the tristimulus correction to the first tristimulus values to produce a corrected map of tristimulus values. Moreover, the invention relates to an imaging colorimeter system capable of two-dimensional, spatially resolved measurement of tristimulus values of light emitted from a plurality of positions on a sample.

    Abstract translation: 本发明涉及一种用于二维空间分辨测量从样品上的多个位置发射的光的三刺激值的方法。 本发明的目的是提供一种用于显示测试的标准色彩空间中的空间分辨色度和亮度测量的改进方法和系统。 本发明的方法包括以下步骤: - 将光的第一部分引导到产生RGB颜色值的二维图的RGB相机; - 将RGB颜色值转换为第一三刺激值以产生三刺激值的图; - 将第二部分光引导到产生第二三刺激值的比色计; - 通过将所述第二三刺激值与所述第一三刺激值的至少一个子集进行比较来导出三刺激校正; 以及 - 将所述三刺激校正应用于所述第一三刺激值以产生三刺激值的校正图。 此外,本发明涉及一种能够对从样品上的多个位置发射的光的三刺激值进行二维空间分辨测量的成像色度计系统。

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