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    • 7. 发明授权
    • Display device with optical sensor included and image reading method employing same
    • 具有光学传感器的显示装置和使用其的图像读取方法
    • US08817333B2
    • 2014-08-26
    • US13995622
    • 2011-12-14
    • Atsushi Okada
    • Atsushi Okada
    • H04N1/00H04N1/04H04N1/195G06F3/041
    • H04N1/00129G06F3/0412H04N1/0461H04N1/19515
    • Provided is a display device with photosensors that can achieve a scanner function without increasing the memory capacity for images. A display device with photosensors includes a visible light source and an invisible light source. The display device with photosensors further includes: a first photosensor that detects the amount of received light in a pixel region when the invisible light source is on; a second optical sensor that detects the amount of received light in the pixel region when the invisible light source is off; and a third photosensor that detects the amount of received light reflected from an object to be scanned, causing only display pixels respectively nearest to the third photosensors within a prescribed range in the pixel region to be in a display state, and causing other pixels in the prescribed range to be in a non-display state. Data obtained from the third photosensor is stored in a memory (205) including a region (205a) that stores therein first reference data obtained when the invisible light source is on, and a region (205b) that stores therein second reference data obtained when the invisible light source is off.
    • 提供了具有光电传感器的显示装置,其可以实现扫描器功能而不增加图像的存储容量。 具有光电传感器的显示装置包括可见光源和不可见光源。 具有光电传感器的显示装置还包括:第一光传感器,其在不可见光源接通时检测像素区域中的接收光量; 第二光学传感器,其在不可见光源关闭时检测像素区域中的接收光量; 以及第三光传感器,其检测从被扫描对象反射的接收光的量,使得仅在所述像素区域的规定范围内分别最靠近所述第三感光体的显示像素处于显示状态,并使所述像素区域中的其他像素 规定范围处于非显示状态。 从第三光传感器获得的数据被存储在存储器(205)中,该存储器包括存储在不可见光源所接收时获得的第一参考数据的区域(205a)和存储第二参考数据的区域(205b) 隐形光源关闭。
    • 8. 发明授权
    • Display device with optical sensors
    • 带光学传感器的显示设备
    • US08797306B2
    • 2014-08-05
    • US13519324
    • 2010-10-20
    • Toshimitsu GotohAtsushi Okada
    • Toshimitsu GotohAtsushi Okada
    • G06F3/038
    • G06F3/0412G02F1/13338G06F3/0416G06F3/042G09G2330/022G09G2360/144G09G2360/145
    • In a display device with optical sensors, a recognition processing portion (22) performs recognition processing on a scan picture generated by optical sensors (2), and calculates a position. A mode control portion (24) determines whether or not the mode is standby so that the recognition processing portion (22) is stopped from operating. At the time of transition to the standby mode, decimated image memory (25) stores a decimated image with a decreased number of pixels. The mode control portion (24) performs pixel-by-pixel comparison between the stored decimated image and a decimated image supplied anew, and exits the standby mode when the number of pixels whose difference in pixel values is greater than or equal to a first threshold is greater than or equal to a second threshold. Here, the first and second thresholds are appropriately set in accordance with an ambient luminance L from a luminance sensor (20), and therefore, any change in the image can be accurately distinguished from noise, thereby preventing the standby mode from being or not being cancelled by mistake.
    • 在具有光学传感器的显示装置中,识别处理部(22)对由光学传感器(2)生成的扫描图像进行识别处理,并计算位置。 模式控制部分(24)确定模式是否待机,以便识别处理部分(22)停止工作。 在转换到待机模式时,抽取图像存储器(25)存储具有减少的像素数量的抽取图像。 模式控制部分(24)在存储的抽取图像和重新提供的抽取图像之间进行逐像素比较,并且当像素值的差异大于或等于第一阈值时的像素数目离开待机模式 大于或等于第二阈值。 这里,根据来自亮度传感器(20)的环境亮度L适当地设定第一阈值和第二阈值,因此可以将图像的任何变化与噪声精确地区分开,从而防止待机模式成为或不是 取消了错误。
    • 9. 发明授权
    • Touch panel
    • 触控面板
    • US08698783B2
    • 2014-04-15
    • US13497096
    • 2010-05-10
    • Masashi MayumiAtsushi Okada
    • Masashi MayumiAtsushi Okada
    • G06F3/042
    • G06F3/0428G06F3/0418
    • Disclosed is a touch panel comprising a display panel (for example, a liquid crystal panel) (1); a plurality of mirrors (2) provided on an edge of a display surface side of the display panel (1); a light source (3); a plurality of light sensors (4) embedded in the display panel (1), positioned immediately under the mirrors (2), and for which light emitted from the light source (3) is guided by the mirrors (2); and a data interpolation processing unit that, if an output signal from a certain light sensor included in the plurality of light sensors (4) is at most at a threshold, calculates interpolation data from output signals that are stronger than the threshold from light sensors about a periphery of the certain light sensor.
    • 公开了一种包括显示面板(例如,液晶面板)(1)的触摸面板; 设置在显示面板(1)的显示面侧的边缘上的多个反射镜(2); 光源(3); 嵌在显示面板(1)中的多个光传感器(4),位于反射镜(2)的正下方,并且由光源(3)发射的光被镜子(2)引导; 以及数据内插处理单元,如果来自所述多个光传感器(4)中所包含的特定光传感器的输出信号最多为阈值,则从光传感器关于 特定光传感器的周边。