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    • 1. 发明授权
    • Image displaying device and image displaying system
    • 图像显示装置和图像显示系统
    • US09011558B2
    • 2015-04-21
    • US12802877
    • 2010-06-16
    • Yuji NakahataToshiaki Suzuki
    • Yuji NakahataToshiaki Suzuki
    • H04N13/04G09G3/00G09G3/20
    • H04N13/398G09G3/003G09G3/2022G09G3/2055H04N13/324H04N13/341
    • An image displaying device includes: a display section cyclically switching a plurality of image streams, thereby time-divisionally displaying the plurality of image streams, each of the plurality of image streams being provided for corresponding one of a plurality of shutter mechanisms performing opening-closing operations at timings different from each other; and a dithering processing section performing a dithering process on a plurality of input images by using a plurality of masks, each of the plurality of masks having a pattern of two-dimensionally-arranged grayscale values, the pattern differing from a pattern of another mask, and then supplying a plurality of resultant images produced through the dithering process to the display section. The dithering processing section controls the dithering process in such a manner that the plurality of masks are sequentially and cyclically switched in synchronization with shutter open timings for each of the shutter mechanisms.
    • 一种图像显示装置包括:显示部分循环切换多个图像流,从而分时显示多个图像流,多个图像流中的每一个被提供用于执行打开关闭的多个快门机构中的相应一个 时间不同的操作; 以及抖动处理部通过使用多个掩模对多个输入图像执行抖动处理,所述多个掩模中的每一个具有二维排列的灰度值的图案,所述图案与另一个掩模的图案不同, 然后将通过抖动处理产生的多个合成图像提供给显示部。 抖动处理部分以这样的方式控制抖动处理,使得多个掩模与用于每个快门机构的快门打开时序同步地顺序地和循环地切换。
    • 3. 发明申请
    • DISPLAY UNIT, BARRIER DEVICE, AND METHOD OF DRIVING DISPLAY UNIT
    • 显示单元,障碍物装置和驱动显示单元的方法
    • US20120293500A1
    • 2012-11-22
    • US13458018
    • 2012-04-27
    • Yuji Nakahata
    • Yuji Nakahata
    • G09G3/36G06T15/00G06F3/038
    • G02F1/1347G09G3/003G09G3/3406G09G3/3648G09G2300/023G09G2310/0251G09G2320/0252G09G2330/026H04N13/315H04N13/317H04N13/359H04N13/398
    • A display unit includes: a display section; a barrier section including a plurality of liquid crystal barriers switching an open state and a closed state; and a barrier driving section driving the barrier section with one or a plurality of barrier drive signals. Each of the barrier drive signals is a signal including a first waveform portion being configured of a series of waveforms allowing the liquid crystal barriers to be held in an open state over a plurality of frames, or a second waveform portion being configured of a series of waveforms to allowing the liquid crystal barriers to be switched between an open state and a closed state, and a third waveform portion being located just before the first or second waveform portion and having an average pulse height value smaller than a maximum value of a pulse height value of the first or second waveform portion.
    • 显示单元包括:显示部; 阻挡部分,包括切换打开状态和关闭状态的多个液晶屏障; 以及用一个或多个屏障驱动信号驱动该阻挡部分的屏障驱动部分。 每个屏障驱动信号是包括第一波形部分的信号,该第一波形部分由允许液晶屏障在多个帧上保持打开状态的一系列波形构成,或者第二波形部分由一系列 允许液晶屏障在打开状态和关闭状态之间切换的波形,以及位于第一或第二波形部分之前的具有小于脉冲高度的最大值的平均脉冲高度值的第三波形部分 第一或第二波形部分的值。
    • 4. 发明申请
    • Image displaying apparatus, image display observing system and image displaying method
    • 图像显示装置,图像显示观察系统和图像显示方法
    • US20110074937A1
    • 2011-03-31
    • US12807284
    • 2010-09-01
    • Yuji Nakahata
    • Yuji Nakahata
    • H04N13/04
    • H04N13/00H04N13/324H04N13/332H04N13/341H04N13/398
    • An image displaying apparatus includes a signal control unit for receiving an input image signal and converting the signal into a signal for alternately displaying a right-eye image and a left-eye image, display panel into which the signal converted in the signal control unit is input for the right-eye image and the left-eye image, a surface light source for illuminating the display panel from its back, a shutter control unit for generating a timing signal indicating a period in which the right-eye and left-eye shutters are opened for a pair of viewing glasses with the right-eye and left-eye shutters, and for relatively changing the shutter-opened period for the emission timing of the surface light source, and a surface light source control unit for emitting the surface light source in a shorter period than the shutter-opened period in response to the switching between the right-eye image and the left-eye image.
    • 图像显示装置包括:信号控制单元,用于接收输入图像信号,并将该信号转换成用于交替显示右眼图像和左眼图像的信号;信号控制单元中转换的信号为 用于右眼图像和左眼图像的输入,用于从其背面照亮显示面板的面光源;快门控制单元,用于产生指示右眼和左眼快门的周期的定时信号 被打开用于具有右眼和左眼快门的一对观看眼镜,并且用于相对地改变用于表面光源的发射定时的快门打开时段,以及用于发射表面光的表面光源控制单元 来源于响应于右眼图像和左眼图像之间的切换而在比快门打开时段更短的周期内。
    • 5. 发明申请
    • Video display device and system
    • 视频显示设备和系统
    • US20110007140A1
    • 2011-01-13
    • US12802882
    • 2010-06-16
    • Yuji NakahataToshiaki Suzuki
    • Yuji NakahataToshiaki Suzuki
    • H04N13/04
    • H04N13/398G09G3/003G09G2310/061G09G2310/08G09G2320/041G09G2340/0435H04N13/341
    • In a video display device and system, a timing control section performs timing control for right- and left-eye video signals and to each have a blanking period whose length (Duty) is longer than that of a first-time blanking period Tb1 at least once in second-time and later blanking periods, e.g., performs timing control for a second-time blanking period Tb2 to be longer in Duty than the first-time blanking period Tb1. With such timing control, for stereoscopic display video viewing using open-state shutter glasses in the second-time blanking period Tb2 with a sequential write mode, there are advantages that the shutter glasses can remain longer in the open state while the response characteristics of the liquid crystal material being enhanced. As such, with the resulting video display device and system, the occurrence of crosstalk can be favorably prevented at the same time as reducing any reduction in display brightness.
    • 在视频显示装置和系统中,定时控制部分对右眼视频信号和左眼视频信号进行定时控制,并且每个消隐期的长度(占空比)比第一次消隐期间Tb1的长度 例如,在第二次和过后的消隐期间,例如,对于第二次消隐期间Tb2,进行比第一次消隐期间Tb1更高的占空比的定时控制。 通过这样的定时控制,在具有顺序写入模式的第二次消隐期间Tb2中,对于使用开放状态快门眼镜的立体显示视频观看,存在如下优点:快门眼镜可以在打开状态下保持较长的时间, 增加了液晶材料。 因此,利用所得的视频显示装置和系统,可以有效地防止串扰的发生,同时减少显示亮度的任何降低。
    • 6. 发明申请
    • Image processing apparatus, image display apparatus and image display system
    • 图像处理装置,图像显示装置和图像显示系统
    • US20100309381A1
    • 2010-12-09
    • US12800338
    • 2010-05-13
    • Makoto NakagawaYuji Nakahata
    • Makoto NakagawaYuji Nakahata
    • H04N5/268
    • H04N13/332G09G3/36G09G2320/0209G09G2320/0252G09G2340/16H04N13/341H04N13/398
    • Disclosed herein is a video-image processing apparatus including: a video-image processing section configured to execute output control on video-image streams each including unitary video images appearing along the time axis so as to output every unitary video image pertaining to each of the video-image streams repeatedly a plurality of times by sequentially switching the video-image streams to be output on a time-division basis; a frame memory for temporarily storing an immediately preceding unitary video image as it is or after replacing the luminance gradation of the immediately preceding unitary video image with a post-replacement luminance gradation where the immediately preceding unitary video image is defined as a unitary video image which immediately leads ahead of a current unitary video image being output by the video-image processing section and is selected; and an overdrive processing section configured to carry out overdrive processing on the current unitary video image.
    • 本文公开了一种视频图像处理装置,包括:视频图像处理部,被配置为对视频图像流执行输出控制,每个视频图像流包括沿着时间轴出现的单一视频图像,以输出与每个 通过按时间顺序顺序地切换要输出的视频图像流来重复多次视频图像流; 用于临时存储紧接在前的单一视频图像的帧存储器,或者用替换后亮度灰度替换紧接在前的单一视频图像的亮度等级,其中紧接在前的单一视频图像被定义为整体视频图像,其中 立即领先于由视频图像处理部分输出的当前单一视频图像,并被选择; 以及超速处理部,被配置为对当前的单一视频图像执行过驱动处理。