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    • 93. 发明公开
    • DISPLAY DEVICE
    • ANZEIGEVORRICHTUNG
    • EP2642330A4
    • 2017-02-08
    • EP11841652
    • 2011-09-15
    • NIPPON SEIKI CO LTD
    • SEKIYA SHUNHADA MAKOTONAKAHARA TSUYOSHI
    • G02B26/10B60K35/00G02B27/01
    • G09G3/34B60K35/00B60K2350/2047B60K2350/2052G02B26/101G02B27/01
    • A display device capable of obtaining stable light output even in a state of low brightness and capable of displaying desired display colors is provided. An output control means (80) causes image-forming light to be emitted from a laser source (10) on the basis of image information when the scanning position of an RGB laser beam according to a scanning means is within a display range (20), and causes detection light to be emitted from the laser source (10) when the scanning position is outside the display range. In addition, the output control means (80): changes the drive current of the laser source (10) according to a first current value that is less than a threshold current value, and second and third current values that are greater than or equal to the threshold value, when the scanning position according to the scanning means (20) is outside the display range; and drives the laser source (10) according to the drive current obtained by calculating the current-light output characteristics on the basis of the light intensity detected by a laser beam detection unit (40).
    • 提供一种即使在低亮度状态下也能够获得稳定的光输出并且能够显示期望的显示颜色的显示装置。 当根据扫描装置的RGB激光束的扫描位置在显示范围(20)内时,输出控制装置(80)基于图像信息使成像光从激光源(10)发射, 并且当扫描位置在显示范围之外时使检测光从激光源(10)发射。 此外,输出控制装置(80):根据小于阈值电流值的第一电流值和大于或等于第二电流值的第二电流值和第三电流值来改变激光源(10)的驱动电流 当根据扫描装置(20)的扫描位置在显示范围之外时,该阈值; 并且根据通过基于由激光束检测单元(40)检测到的光强度来计算当前光输出特性而获得的驱动电流来驱动激光源(10)。
    • 96. 发明公开
    • DISPLAY DEVICE
    • 显示设备
    • EP2642330A1
    • 2013-09-25
    • EP11841652.8
    • 2011-09-15
    • Nippon Seiki Co., Ltd.
    • SEKIYA,ShunHADA, MakotoNAKAHARA, Tsuyoshi
    • G02B26/10B60K35/00G02B27/01
    • G09G3/34B60K35/00B60K2350/2047B60K2350/2052G02B26/101G02B27/01H04N9/3194
    • A display device capable of obtaining stable light output even in a state of low brightness and capable of displaying desired display colors is provided. An output control means (80) causes image-forming light to be emitted from a laser source (10) on the basis of image information when the scanning position of an RGB laser beam according to a scanning means is within a display range (20), and causes detection light to be emitted from the laser source (10) when the scanning position is outside the display range. In addition, the output control means (80): changes the drive current of the laser source (10) according to a first current value that is less than a threshold current value, and second and third current values that are greater than or equal to the threshold value, when the scanning position according to the scanning means (20) is outside the display range; and drives the laser source (10) according to the drive current obtained by calculating the current-light output characteristics on the basis of the light intensity detected by a laser beam detection unit (40).
    • 提供一种即使在低亮度状态下也能够获得稳定的光输出并且能够显示期望的显示颜色的显示装置。 当根据扫描装置的RGB激光束的扫描位置在显示范围(20)内时,输出控制装置(80)基于图像信息使成像光从激光源(10)发射, 并且当扫描位置在显示范围之外时使检测光从激光源(10)发射。 此外,输出控制装置(80):根据小于阈值电流值的第一电流值和大于或等于第二电流值的第二电流值和第三电流值来改变激光源(10)的驱动电流 当根据扫描装置(20)的扫描位置在显示范围之外时,该阈值; 并且根据通过基于由激光束检测单元(40)检测到的光强度来计算当前光输出特性而获得的驱动电流来驱动激光源(10)。