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    • 3. 发明授权
    • Method for detecting light-emitting elements having uniform luminous flux
    • 用于检测具有均匀光通量的发光元件的方法
    • US09000341B2
    • 2015-04-07
    • US13587479
    • 2012-08-16
    • Harunobu YoshidaTz-Liang ChangPo-Hsiung Peng
    • Harunobu YoshidaTz-Liang ChangPo-Hsiung Peng
    • H04N1/60G03F7/00G03G15/043
    • H04N1/6033G03F7/00G03G15/043G03G2215/0129
    • A method for detecting light amount uniformity is applicable to a light-emitting device including a plurality of light-emitting elements. First, the light-emitting device is placed in a sensed region of a photo-sensing apparatus. Then, the following steps are executed N times: during the nth execution, turning on the (n+i×N)th light-emitting element, where i is 0 or a positive integer, n is less than or equal to N, and n and N are positive integers; detecting light emission of the light-emitting element with the photo-sensing apparatus to produce a scanned image; and finally, comparing whether the bright spots corresponding to the light-emitting elements in the scanned images produced through the N steps are consistent, and outputting an output signal indicating whether the light-emitting device is normal or abnormal.
    • 用于检测光量均匀性的方法可应用于包括多个发光元件的发光器件。 首先,将发光装置放置在感光装置的感测区域中。 然后,执行以下步骤N次:在第n次执行期间,打开(n + i×N)个发光元件,其中i为0或正整数,n小于或等于N,以及 n和n是正整数; 利用感光装置检测发光元件的发光以产生扫描图像; 最后,比较通过N个步骤产生的扫描图像中与发光元件相对应的亮点是否一致,并输出指示发光装置是正常还是异常的输出信号。