公开(公告)号：US09210752B2

公开(公告)日：2015-12-08

申请号：US13353323

申请日：2012-01-19

申请人： Takahiro Kobayashi ,  Yoshio Umeda

发明人： Takahiro Kobayashi ,  Yoshio Umeda

IPC分类号： G09G3/34 ,  H05B33/08

CPC分类号： H05B33/0824 ,  G09G3/34 ,  G09G3/3406 ,  G09G3/3426 ,  G09G2310/0232 ,  G09G2320/0233 ,  G09G2320/041 ,  G09G2330/00

摘要： A backlight device, used in a liquid crystal display device, comprising: a substrate including first and second areas; a plurality of first light emitting diodes (LEDs) arranged in the first area at a density equal to or higher than a predetermined density; a plurality of second LEDs arranged in the second area at a density lower than the predetermined density; and a control unit configured to control current supplied to the first LEDs with respect to the temperature of the first area, and current supplied to the second LEDs with respect to the temperature of the second area so as to make the rate of change in effective value of the current supplied to the first LEDs different from the rate of change in effective value of the current supplied to the second LEDs when temperatures of the first and second areas are higher than a predetermined temperature.

摘要翻译： 一种用于液晶显示装置的背光装置，包括：包括第一和第二区域的基板; 以等于或高于预定密度的密度布置在所述第一区域中的多个第一发光二极管（LED）; 多个第二LED布置在第二区域中，密度低于预定密度; 以及控制单元，被配置为控制相对于第一区域的温度提供给第一LED的电流，以及相对于第二区域的温度提供给第二LED的电流，以使得有效值的变化率 提供给第一LED的电流不同于当第一和第二区域的温度高于预定温度时提供给第二LED的电流的有效值的变化率。

公开(公告)号：US08581941B2

公开(公告)日：2013-11-12

申请号：US13203213

申请日：2010-09-29

申请人： Toshiki Onishi ,  Hideyuki Nakanishi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Akihiro Yamamura ,  Seiji Hamada

发明人： Toshiki Onishi ,  Hideyuki Nakanishi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Akihiro Yamamura ,  Seiji Hamada

IPC分类号： G09G5/10

CPC分类号： G09G3/3426 ,  G09G2320/0261 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/0653 ,  G09G2320/106 ,  H04N5/66

摘要： Provided is a backlight device wherein when the drive duty and the drive current are controlled according to a motion, the image quality is improved by preventing flicker caused by the change of the drive waveform. A light-emitting unit (121) comprises a plurality of light-emitting areas. A motion amount detecting unit (131) detects the motion amount of an image in each of a plurality of motion areas each corresponding to at least one or more light-emitting areas. A drive condition specifying unit specifies a drive condition including the duty and pulse height value of a drive pulse for causing each of the plurality of light-emitting areas to emit light, on the basis of the detected motion amount. A drive unit drives each of the plurality of light-emitting areas according to the specified drive condition. The drive condition specifying unit adjusts the drive condition such that the drive condition temporally smoothly changes.

摘要翻译： 提供一种背光装置，其中当根据运动控制驱动占空比和驱动电流时，通过防止由驱动波形的变化引起的闪烁来提高图像质量。 发光单元（121）包括多个发光区域。 运动量检测单元（131）检测每个对应于至少一个或多个发光区域的多个运动区域中的每一个中的图像的运动量。 驱动条件指定单元基于检测到的运动量指定包括用于使多个发光区域中的每一个发光的驱动脉冲的占空比和脉冲高度值的驱动条件。 驱动单元根据指定的驱动条件驱动多个发光区域中的每一个。 驱动条件指定单元调节驱动条件使得驱动条件在时间上平稳地改变。

公开(公告)号：US08466869B2

公开(公告)日：2013-06-18

申请号：US13314667

申请日：2011-12-08

申请人： Takahiro Kobayashi ,  Yoshio Umeda ,  Seiji Hamada ,  Tatsuya Ina

发明人： Takahiro Kobayashi ,  Yoshio Umeda ,  Seiji Hamada ,  Tatsuya Ina

IPC分类号： G09G3/36

CPC分类号： G09G3/3406 ,  G09G2310/0237 ,  G09G2320/064 ,  H04N13/341

摘要： A display apparatus including: a liquid crystal panel for displaying left and right images; a liquid crystal driver for writing an image signal into the liquid crystal panel; a backlight source for radiating light to the liquid crystal panel; and a controller for controlling the backlight source so that it emits the light during first emission periods which are set for a left viewing periods while a left image is viewed with a left eye and right viewing periods while a right image is viewed with a right eye, respectively, wherein the controller controls the backlight source so that it emits the light during a second emission period within a non-viewing period, during which no image is viewed, and sets a turn-off period during which the backlight source is turned off between the first and second emission periods.

摘要翻译： 一种显示装置，包括：用于显示左图像和右图像的液晶面板; 用于将图像信号写入液晶面板的液晶驱动器; 用于将光照射到液晶面板的背光源; 以及控制器，用于控制背光源，使得它在第一发射周期期间发射光，在第一发射周期期间，在用左眼和右观看周期观看左图像的同时左眼观看期间设置光，而右眼观看右眼 ，其中控制器控制背光源，使得其在非观看期间的第二发射周期期间发射光，在此期间不观看图像，并且设置背光源关闭的关闭时段 在第一和第二发射周期之间。

公开(公告)号：US20120299985A1

公开(公告)日：2012-11-29

申请号：US13478128

申请日：2012-05-23

申请人： Kouki Ichihashi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Masahiro Kasano

发明人： Kouki Ichihashi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Masahiro Kasano

IPC分类号： G09G5/10 ,  G02B27/22

CPC分类号： G02B27/2214 ,  G09G3/003

摘要： A luminous intensity distribution system includes a first optical element extending in a first direction, and distributes, given that a first direction is taken to be leftward-rightward when viewed frontward-rearward, light having entered a light-incident surface from a right-rear direction and emits the light through a light-emitting surface toward a right-forward direction when viewed from the frontward end, and distributes light having entered the light-incident surface from a left-rear direction and emits the light through the light-emitting surface toward a left-forward direction when viewed from the frontward end; and a second optical element extending in the first direction and that diffuses light having entered the light-incident surface and emits the light through the light-emitting side, with the first optical element and the second optical element being arranged in parallel with each other vertically when viewed frontward-rearward.

摘要翻译： 发光强度分布系统包括沿第一方向延伸的第一光学元件，并且在从第一方向向前看时将第一方向取为向左 - 向后的方式分配，从右后方入射入入射表面的光 方向，并且从前端观察时通过发光面朝向右前方向发光，并且从左后方向分配入射到入射面的光，并通过发光面发射光 从前方观察朝向左前方向; 以及第二光学元件，其在所述第一方向上延伸并且使已经进入所述光入射表面的光漫射通过所述发光侧发射所述光，所述第一光学元件和所述第二光学元件彼此垂直地排列 当向前看时。

公开(公告)号：US20120229494A1

公开(公告)日：2012-09-13

申请号：US13413004

申请日：2012-03-06

申请人： Takahiro Kobayashi ,  Yoshio Umeda

发明人： Takahiro Kobayashi ,  Yoshio Umeda

IPC分类号： G09G3/36 ,  G09G5/10

CPC分类号： G09G5/397 ,  G09G2320/0209 ,  G09G2320/0276 ,  G09G2320/041 ,  H04N13/341 ,  H04N13/398

摘要： A display device including: a liquid crystal panel having liquid crystals driven to display a frame image; a generator which generates image data to display the frame image in response to a frame image signal corresponding to the frame image; a driver which writes the image data to the liquid crystal panel to drive the liquid crystals; and a detector for detecting a temperature of the driver, wherein the generator adjusts how many times the image data are written to the liquid crystal panel by the driver in response to the temperature of the driver.

摘要翻译： 一种显示装置，包括：具有驱动以显示帧图像的液晶的液晶面板; 发生器，其响应于与所述帧图像相对应的帧图像信号，生成图像数据以显示所述帧图像; 将图像数据写入液晶面板驱动液晶的驱动器; 以及用于检测驾驶员的温度的检测器，其中发生器响应于驾驶员的温度来调节驾驶员将图像数据写入液晶面板的次数。

公开(公告)号：US20120188294A1

公开(公告)日：2012-07-26

申请号：US13353323

申请日：2012-01-19

申请人： Takahiro Kobayashi ,  Yoshio Umeda

发明人： Takahiro Kobayashi ,  Yoshio Umeda

IPC分类号： G09G5/10 ,  H05B37/02 ,  G09G3/36

CPC分类号： H05B33/0824 ,  G09G3/34 ,  G09G3/3406 ,  G09G3/3426 ,  G09G2310/0232 ,  G09G2320/0233 ,  G09G2320/041 ,  G09G2330/00

摘要： A backlight device, used in a liquid crystal display device, comprising: a substrate including first and second areas; a plurality of first light emitting diodes (LEDs) arranged in the first area at a density equal to or higher than a predetermined density; a plurality of second LEDs arranged in the second area at a density lower than the predetermined density; and a control unit configured to control current supplied to the first LEDs with respect to the temperature of the first area, and current supplied to the second LEDs with respect to the temperature of the second area so as to make the rate of change in effective value of the current supplied to the first LEDs different from the rate of change in effective value of the current supplied to the second LEDs when temperatures of the first and second areas are higher than a predetermined temperature.

摘要翻译： 一种用于液晶显示装置的背光装置，包括：包括第一和第二区域的基板; 以等于或高于预定密度的密度布置在所述第一区域中的多个第一发光二极管（LED）; 多个第二LED布置在第二区域中，密度低于预定密度; 以及控制单元，被配置为控制相对于第一区域的温度提供给第一LED的电流，以及相对于第二区域的温度提供给第二LED的电流，以使得有效值的变化率 提供给第一LED的电流不同于当第一和第二区域的温度高于预定温度时提供给第二LED的电流的有效值的变化率。

公开(公告)号：US20110234777A1

公开(公告)日：2011-09-29

申请号：US13132037

申请日：2010-11-01

申请人： Takahiro Kobayashi ,  Hiroshi Miyai ,  Seiji Hamada ,  Katsuo Saigo ,  Yoshio Umeda

发明人： Takahiro Kobayashi ,  Hiroshi Miyai ,  Seiji Hamada ,  Katsuo Saigo ,  Yoshio Umeda

IPC分类号： H04N13/04

CPC分类号： G02B27/2264 ,  H04N13/341 ,  H04N13/398

摘要： A stereoscopic display apparatus and a stereoscopic display system capable of reducing flicker due to the influence of a fluorescent lamp while preventing an increase in crosstalk. The stereoscopic display apparatus includes a display controller that causes a display section to display left-eye video and right-eye video based on an input left-eye video signal and right-eye video signal and a shutter control section that controls an open/closed state of left and right shutters of stereoscopic image observation glasses in an opening/closing cycle in accordance with a display cycle of the left-eye video and the right-eye video, wherein the shutter control section controls a duty ratio of an Open period of each of the left and right shutters to a greater value than 50% and the display controller causes the display section to display video on a side whose shutter is in the open state of the left-eye video and the right-eye video only while the shutter control section exercises control so that one of the left and right shutters is in the closed state.

摘要翻译： 一种立体显示装置和立体显示系统，能够在防止串扰增加的同时降低由于荧光灯的影响引起的闪烁。 立体显示装置包括显示控制器，其使得显示部分基于输入的左眼视频信号和右眼视频信号显示左眼视频和右眼视频;以及快门控制部分，其控制打开/关闭 根据左眼视频和右眼视频的显示周期，在开/关周期中的立体图像观察眼镜的左右快门的状态，其中，快门控制部分控制开窗周期的占空比 左和右快门中的每一个都具有比50％更大的值，并且显示控制器使得显示部分在仅在左眼视频和右眼视频的打开状态的一侧上显示视频，而 快门控制部分执行控制，使得左和右快门之一处于关闭状态。

公开(公告)号：US08917222B2

公开(公告)日：2014-12-23

申请号：US13336490

申请日：2011-12-23

申请人： Takahiro Kobayashi ,  Yoshio Umeda

发明人： Takahiro Kobayashi ,  Yoshio Umeda

IPC分类号： G09G5/00 ,  H04N13/04 ,  H04N13/00

CPC分类号： H04N13/341 ,  H04N13/122

摘要： A display device includes: a liquid crystal panel including a display surface on which frame images are displayed; a conversion portion for converting a frame image signal into a first image signal representing an image having a lower resolution and a second image signal representing an image having a higher resolution; and a liquid crystal driver for driving the liquid crystal panel with performing first and second scanning operations of the first and second image signals over pixels of the entire display surface. The liquid crystal driver performs the second scanning operation with targeting a drive luminance value which is set in response to an expected value of an achieved luminance value during the first scanning operation for the pixel of the display surface before the second scanning operation commences, and target luminance value for the pixels defined by the frame image signal.

摘要翻译： 一种显示装置，包括：液晶面板，包括显示面，显示框架图像; 转换部分，用于将帧图像信号转换为表示具有较低分辨率的图像的第一图像信号和表示具有较高分辨率的图像的第二图像信号; 以及用于通过在整个显示表面的像素上执行第一和第二图像信号的第一和第二扫描操作来驱动液晶面板的液晶驱动器。 液晶驱动器针对在第二扫描操作开始之前针对显示表面的像素的第一扫描操作期间实现的亮度值的期望值而设置的驱动亮度值进行第二扫描操作，并且目标 由帧图像信号定义的像素的亮度值。

公开(公告)号：US20120188348A1

公开(公告)日：2012-07-26

申请号：US13357054

申请日：2012-01-24

申请人： Yoshio Umeda ,  Takahiro Kobayashi ,  Seiji Hamada ,  Satoshi Hirotsune

发明人： Yoshio Umeda ,  Takahiro Kobayashi ,  Seiji Hamada ,  Satoshi Hirotsune

IPC分类号： H04N13/04

CPC分类号： G09G3/003 ,  G09G3/3648 ,  G09G2310/061

摘要： A video display device and a video view system with which occurrence of crosstalk can be avoided in stereoscopic video images. The device has a liquid crystal panel on which the video image for the left eye corresponding to the video signal for the left eye and the video image for the right eye corresponding to the video signal for the right eye are displayed, and a driving unit which drives the liquid crystal panel by executing at least two times of write-scanning respectively according to the driving amount based on the respective video signal for the left or right eye, wherein in each write-scanning, the driving unit performs an overdrive operation in which the liquid crystal panel is driven according to a driving amount based on a target luminance.

摘要翻译： 可以在立体视频图像中避免出现串扰的视频显示装置和视频观看系统。 该装置具有液晶面板，在该液晶面板上显示与左眼视频信号对应的左眼视频图像和与右眼视频信号对应的右眼视频图像，以及驱动单元， 通过基于左眼或右眼的各个视频信号分别根据驱动量执行写入扫描的至少两次来驱动液晶面板，其中在每次写入扫描中，驱动单元执行过驱动操作，其中 根据目标亮度的驱动量驱动液晶面板。

公开(公告)号：US20120013652A1

公开(公告)日：2012-01-19

申请号：US13203213

申请日：2010-09-29

申请人： Toshiki Onishi ,  Hideyuki Nakanishi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Akihiro Yamamura ,  Seiji Hamada

发明人： Toshiki Onishi ,  Hideyuki Nakanishi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Akihiro Yamamura ,  Seiji Hamada

IPC分类号： G09G5/10

CPC分类号： G09G3/3426 ,  G09G2320/0261 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/0653 ,  G09G2320/106 ,  H04N5/66

摘要： Provided is a backlight device wherein when the drive duty and the drive current are controlled according to a motion, the image quality is improved by preventing flicker caused by the change of the drive waveform. A light-emitting unit (121) comprises a plurality of light-emitting areas. A motion amount detecting unit (131) detects the motion amount of an image in each of a plurality of motion areas each corresponding to at least one or more light-emitting areas. A drive condition specifying unit specifies a drive condition including the duty and pulse height value of a drive pulse for causing each of the plurality of light-emitting areas to emit light, on the basis of the detected motion amount. A drive unit drives each of the plurality of light-emitting areas according to the specified drive condition. The drive condition specifying unit adjusts the drive condition such that the drive condition temporally smoothly changes.

摘要翻译： 提供一种背光装置，其中当根据运动控制驱动占空比和驱动电流时，通过防止由驱动波形的变化引起的闪烁来提高图像质量。 发光单元（121）包括多个发光区域。 运动量检测单元（131）检测每个对应于至少一个或多个发光区域的多个运动区域中的每一个中的图像的运动量。 驱动条件指定单元基于检测到的运动量指定包括用于使多个发光区域中的每一个发光的驱动脉冲的占空比和脉冲高度值的驱动条件。 驱动单元根据指定的驱动条件驱动多个发光区域中的每一个。 驱动条件指定单元调节驱动条件使得驱动条件在时间上平稳地改变。