公开(公告)号：US20110316005A1

公开(公告)日：2011-12-29

申请号：US13254796

申请日：2009-11-12

申请人： Takehiro Murao ,  Naru Usukura ,  Akizumi Fujioka ,  Akinori Kubota ,  Seishi Kosegawa ,  Toshiyuki Yoshimizu

发明人： Takehiro Murao ,  Naru Usukura ,  Akizumi Fujioka ,  Akinori Kubota ,  Seishi Kosegawa ,  Toshiyuki Yoshimizu

IPC分类号： H01L31/12

CPC分类号： G06F3/0412 ,  G02F1/13338 ,  G02F2001/133607 ,  G02F2001/133613 ,  G02F2001/133614 ,  G02F2001/133626 ,  G06F3/0421 ,  G09G3/36

摘要： In a liquid crystal display apparatus (1) including a touch panel, a liquid crystal panel (display portion) (2) having a plurality of pixels, and a backlight device (backlight portion) (3) that irradiates the liquid crystal panel (2) with illumination light, the touch panel includes optical sensors (25) that are provided in pixel units and that detect infrared light. Furthermore, the backlight device (3) includes white light-emitting diodes (first light-emitting diode portion) (26) which can emit white light, infrared light-emitting diodes (second light-emitting diode portion) (27) which emit infrared light, and a substrate (28) on which the white light-emitting diodes (26) and the infrared light-emitting diodes (27) are integrally provided.

摘要翻译： 在包括触摸面板，具有多个像素的液晶面板（显示部分）（2））和照射液晶面板（2）的背光装置（背光部分）（3）的液晶显示装置（1）中， ），所述触摸面板包括以像素单元设置并且检测红外光的光学传感器（25）。 此外，背光装置（3）具有可发射白光的白色发光二极管（第一发光二极管部）26，发射红外线的红外发光二极管（第二发光二极管部）27， 光和其上整体设置有白色发光二极管（26）和红外发光二极管（27）的基板（28）。

公开(公告)号：US09213456B2

公开(公告)日：2015-12-15

申请号：US13979706

申请日：2012-01-13

申请人： Akizumi Fujioka ,  Mikihiro Noma ,  Akinori Kubota ,  Kohji Ogata

发明人： Akizumi Fujioka ,  Mikihiro Noma ,  Akinori Kubota ,  Kohji Ogata

IPC分类号： G06F3/044 ,  G09G3/36

CPC分类号： G06F3/044 ,  G09G3/3648 ,  G09G2310/0235 ,  G09G2310/027

摘要： The source driver (20) of the present invention substantially evenly divides one (1) horizontal scanning period into sub-periods the number of which is equal to or larger than a multiple of the number of the primary colors. In each of sub-periods (i) which are among all the sub-periods and (ii) the number of which is identical with the multiple, a source signal is supplied to source lines (i) which are connected with pixels for displaying a certain primary color and (ii) the number of which is obtained by dividing a total number of the plurality of source lines by the multiple.

摘要翻译： 本发明的源极驱动器（20）基本上将一（1）个水平扫描周期大致均匀地划分成等于或大于原色数倍数的子周期。 在所有子周期中的每个子周期（i）和（ii）其数量与多个相同的子周期（i）中，源信号被提供给源线（i），源线（i）与用于显示 某些原色和（ii）通过将多条源极线的总数除以倍数而获得的数量。

公开(公告)号：US08416227B2

公开(公告)日：2013-04-09

申请号：US12867773

申请日：2009-02-16

申请人： Akizumi Fujioka ,  Toshimitsu Gotoh ,  Akinori Kubota ,  Masaki Uehata

发明人： Akizumi Fujioka ,  Toshimitsu Gotoh ,  Akinori Kubota ,  Masaki Uehata

IPC分类号： G06F3/042 ,  G09G3/30

CPC分类号： G02F1/13338 ,  G02F1/133509 ,  G02F2001/13312 ,  G02F2203/11

摘要： A liquid crystal panel with built-in sensors 11 includes, in a pixel array 17, a plurality of pixel circuits 1 and a plurality of optical sensors 2 which are arranged two-dimensionally. Infrared light transmitting filters 3 that allow infrared light to pass therethrough and cut off visible light are provided in respective paths of light entering the optical sensors 2. A backlight 15 including white LEDs 4 and infrared LEDs 5 is provided on a back surface of the liquid crystal panel 11. With this, reflected light of backlight light including infrared light is detected by the optical sensors 2 without receiving the influence of visible light, and thus a touch position is detected with high accuracy, irrespective of display data.

摘要翻译： 具有内置传感器11的液晶面板在像素阵列17中包括二维布置的多个像素电路1和多个光学传感器2。 在进入光学传感器2的光的相应路径中设置允许红外光通过并截断可见光的红外光透射滤光器3。在液体的背面设置有包括白色LED 4和红外LED 5的背光源15 由此，由光学传感器2检测出包括红外光的背光源的反射光，而不会受到可见光的影响，因此与显示数据无关地以高精度检测触摸位置。

公开(公告)号：US20130286302A1

公开(公告)日：2013-10-31

申请号：US13979261

申请日：2012-01-10

申请人： Akizumi Fujioka ,  Akinori Kubota

发明人： Akizumi Fujioka ,  Akinori Kubota

IPC分类号： G02F1/1333

CPC分类号： G02F1/13338 ,  G06F3/044 ,  G09G3/3648 ,  G09G2340/0435

摘要： A liquid crystal display devices (1a, 1b) each include a touch panel (2), a liquid crystal panel (3), a touch panel controller (4), a liquid crystal driving controller (timing generator) (5), oscillation circuits (7a, 7b), a correcting circuit (10), and a frequency counter (11). The frequency counter (11) counts a reference clock signal CLK supplied from the oscillation circuit (7a) or (7b). The correcting circuit (10) determines, in accordance with information supplied from the frequency counter (11), whether or not a frequency of the reference clock signal CLK is a predetermined frequency. In a case where the frequency of the reference clock signal CLK is not the predetermined frequency, the correcting circuit (10) corrects (i) a frequency at which the liquid crystal panel (3) is driven or (ii) a frequency at which sensing of the touch panel (2) is carried out.

摘要翻译： 液晶显示装置（1a，1b）各自包括触摸面板（2），液晶面板（3），触摸面板控制器（4），液晶驱动控制器（定时发生器）（5），振荡电路 （7a，7b），校正电路（10）和频率计数器（11）。 频率计数器（11）对从振荡电路（7a）或（7b）提供的基准时钟信号CLK进行计数。 校正电路（10）根据从频率计数器（11）提供的信息，确定参考时钟信号CLK的频率是否是预定频率。 在参考时钟信号CLK的频率不是预定频率的情况下，校正电路（10）校正（i）驱动液晶面板（3）的频率，或（ii）感测频率 的触摸面板（2）。

公开(公告)号：US08411117B2

公开(公告)日：2013-04-02

申请号：US12809288

申请日：2008-12-17

申请人： Akizumi Fujioka ,  Akinori Kubota

发明人： Akizumi Fujioka ,  Akinori Kubota

IPC分类号： G09G5/00

CPC分类号： G06F3/0412 ,  G02F1/13338 ,  G02F2001/13312 ,  G06F1/3203 ,  G06F1/3262 ,  G06F3/042 ,  G09G3/3406 ,  G09G2330/021 ,  G09G2360/144

摘要： The present invention relates to a display device that has a plurality of optical sensors provided in a display panel and that can be operated by touching a screen with a finger or pen. A liquid crystal panel with built-in sensors (11) includes a plurality of pixel circuits (1) and a plurality of optical sensors (2) which are arranged two-dimensionally. An MPU (18) selects either a mode that detects a shadow image of an object or a mode that detects a reflection image of the object, based on an illumination of outside light. One frame time is divided into a display period and a sensing period. A backlight (14) is controlled to be turned on during the display period in the shadow image mode and during the sensing period in the reflection image mode, and to be turned off during the sensing period in the shadow image mode and during the display period in the reflection image mode. According to the present invention, the detection accuracy for a touch position is increased while the power consumption of the backlight is suppressed.

摘要翻译： 本发明涉及一种显示装置，其具有设置在显示面板中的多个光学传感器，并且可以通过用手指或笔触摸屏幕来操作。 具有内置传感器（11）的液晶面板包括二维布置的多个像素电路（1）和多个光学传感器（2）。 MPU（18）基于外部光的照明来选择检测对象的阴影图像的模式或者检测对象的反射图像的模式。 一帧时间被分为显示周期和感测周期。 在阴影图像模式的显示周期和反射图像模式的感测期间，背光（14）被控制为导通，并且在阴影图像模式的感测时段期间和在显示周期期间被关闭 在反射图像模式。 根据本发明，在抑制背光源的功耗的同时，提高了触摸位置的检测精度。

公开(公告)号：US20110141151A1

公开(公告)日：2011-06-16

申请号：US12809288

申请日：2008-12-17

申请人： Akizumi Fujioka ,  Akinori Kubota

发明人： Akizumi Fujioka ,  Akinori Kubota

IPC分类号： G09G5/10

CPC分类号： G06F3/0412 ,  G02F1/13338 ,  G02F2001/13312 ,  G06F1/3203 ,  G06F1/3262 ,  G06F3/042 ,  G09G3/3406 ,  G09G2330/021 ,  G09G2360/144

摘要： The present invention relates to a display device that has a plurality of optical sensors provided in a display panel and that can be operated by touching a screen with a finger or pen. A liquid crystal panel with built-in sensors (11) includes a plurality of pixel circuits (1) and a plurality of optical sensors (2) which are arranged two-dimensionally. An MPU (18) selects either a mode that detects a shadow image of an object or a mode that detects a reflection image of the object, based on an illumination of outside light. One frame time is divided into a display period and a sensing period. A backlight (14) is controlled to be turned on during the display period in the shadow image mode and during the sensing period in the reflection image mode, and to be turned off during the sensing period in the shadow image mode and during the display period in the reflection image mode. According to the present invention, the detection accuracy for a touch position is increased while the power consumption of the backlight is suppressed.

摘要翻译： 本发明涉及一种显示装置，其具有设置在显示面板中的多个光学传感器，并且可以通过用手指或笔触摸屏幕来操作。 具有内置传感器（11）的液晶面板包括二维布置的多个像素电路（1）和多个光学传感器（2）。 MPU（18）基于外部光的照明来选择检测对象的阴影图像的模式或者检测对象的反射图像的模式。 一帧时间被分为显示周期和感测周期。 在阴影图像模式的显示周期和反射图像模式的感测期间，背光（14）被控制为导通，并且在阴影图像模式的感测时段期间和在显示周期期间被关闭 在反射图像模式。 根据本发明，在抑制背光源的功耗的同时，提高了触摸位置的检测精度。

公开(公告)号：US20110012879A1

公开(公告)日：2011-01-20

申请号：US12922994

申请日：2009-03-12

申请人： Masaki Uehata ,  Akinori Kubota ,  Akizumi Fujioka ,  Toshimitsu Gotoh

发明人： Masaki Uehata ,  Akinori Kubota ,  Akizumi Fujioka ,  Toshimitsu Gotoh

IPC分类号： G09G5/00

CPC分类号： G09G3/3648 ,  G06F3/041 ,  G06F3/0421 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2320/0233 ,  G09G2360/148

摘要： A liquid crystal panel with built-in sensors 11 includes, in a pixel array 17, a plurality of pixels 1 and a plurality of optical sensors 2 which are arranged in a row direction and a column direction. The optical sensors 2 are provided to be associated with pixels 1 in every other row (e.g., to be associated with pixels 1 in even rows). A panel drive circuit 16 performs one-line inversion drive and reads signals based on the amounts of received light, from the optical sensors 2. Since the outputs from the optical sensors 2 change in the same direction due to the influence of display data, stripe noise resulting from the switching of the polarities of voltages written into pixel circuits 3 is prevented from occurring in an image generated based on the outputs from the optical sensors 2.

摘要翻译： 具有内置传感器11的液晶面板在像素阵列17中包括沿行方向和列方向排列的多个像素1和多个光学传感器2。 光学传感器2被设置为与每隔一行中的像素1相关联（例如，与偶数行中的像素1相关联）。 面板驱动电路16进行单线反转驱动，并根据来自光传感器2的接收光量来读取信号。由于来自光传感器2的输出由于显示数据的影响而沿相同的方向变化，条带 基于来自光学传感器2的输出而产生的图像，防止了由写入像素电路3的电压的极性的转换而产生的噪声。

公开(公告)号：US20100321355A1

公开(公告)日：2010-12-23

申请号：US12866386

申请日：2009-01-29

申请人： Toshimitsu Gotoh ,  Kei Oyobe ,  Akizumi Fujioka ,  Akinori Kubota

发明人： Toshimitsu Gotoh ,  Kei Oyobe ,  Akizumi Fujioka ,  Akinori Kubota

IPC分类号： G09G5/00

CPC分类号： G09G3/20 ,  G02F1/13338 ,  G02F2001/13312 ,  G02F2201/58 ,  G06F3/0418 ,  G06F3/0421 ,  G09G3/3648 ,  G09G2320/041 ,  G09G2360/144

摘要： Provided are a display panel including an optical sensor that can correct output of an optical sensor according to a change in the environmental temperature, and a display device using the same. The display panel including an optical sensor has an active matrix substrate (100) having a pixel region (1) in which pixels are disposed in a matrix. An optical sensor (11) is formed in at least a portion of the pixels in the pixel region (1). The display panel including an optical sensor includes a temperature sensor (9) that detects the ambient temperature of the optical sensor (11), and a signal processing circuit (8) that corrects output of the optical sensor (11) according to the ambient temperature detected by the temperature sensor (9).

摘要翻译： 提供了一种显示面板，其包括可以根据环境温度的变化来校正光学传感器的输出的光学传感器，以及使用该光学传感器的显示装置。 包括光学传感器的显示面板具有具有像素区域（1）的有源矩阵基板（100），像素区域（1）中的像素被布置成矩阵。 光学传感器（11）形成在像素区域（1）中的至少一部分像素中。 包括光学传感器的显示面板包括检测光学传感器（11）的环境温度的温度传感器（9）和根据环境温度校正光学传感器（11）的输出的信号处理电路（8） 由温度传感器（9）检测。

公开(公告)号：US09041636B2

公开(公告)日：2015-05-26

申请号：US13979261

申请日：2012-01-10

申请人： Akizumi Fujioka ,  Akinori Kubota

发明人： Akizumi Fujioka ,  Akinori Kubota

IPC分类号： G06F3/044 ,  G02F1/1333 ,  G09G3/36

CPC分类号： G02F1/13338 ,  G06F3/044 ,  G09G3/3648 ,  G09G2340/0435

摘要： A liquid crystal display devices (1a, 1b) each include a touch panel (2), a liquid crystal panel (3), a touch panel controller (4), a liquid crystal driving controller (timing generator) (5), oscillation circuits (7a, 7b), a correcting circuit (10), and a frequency counter (11). The frequency counter (11) counts a reference clock signal CLK supplied from the oscillation circuit (7a) or (7b). The correcting circuit (10) determines, in accordance with information supplied from the frequency counter (11), whether or not a frequency of the reference clock signal CLK is a predetermined frequency. In a case where the frequency of the reference clock signal CLK is not the predetermined frequency, the correcting circuit (10) corrects (i) a frequency at which the liquid crystal panel (3) is driven or (ii) a frequency at which sensing of the touch panel (2) is carried out.

摘要翻译： 液晶显示装置（1a，1b）各自包括触摸面板（2），液晶面板（3），触摸面板控制器（4），液晶驱动控制器（定时发生器）（5），振荡电路 （7a，7b），校正电路（10）和频率计数器（11）。 频率计数器（11）对从振荡电路（7a）或（7b）提供的基准时钟信号CLK进行计数。 校正电路（10）根据从频率计数器（11）提供的信息，确定参考时钟信号CLK的频率是否是预定频率。 在参考时钟信号CLK的频率不是预定频率的情况下，校正电路（10）校正（i）驱动液晶面板（3）的频率，或（ii）感测频率 的触摸面板（2）。

公开(公告)号：US20100283765A1

公开(公告)日：2010-11-11

申请号：US12811138

申请日：2009-02-16

申请人： Toshimitsu Gotoh ,  Akizumi Fujioka ,  Akinori Kubota ,  Kei Oyobe

发明人： Toshimitsu Gotoh ,  Akizumi Fujioka ,  Akinori Kubota ,  Kei Oyobe

IPC分类号： G06F3/042

CPC分类号： G06F3/042 ,  G02F1/13338 ,  G02F1/133512 ,  G02F2001/13312 ,  G02F2202/104 ,  G02F2203/11 ,  G06F3/0412

摘要： A liquid crystal panel with built-in sensors 11 includes, in a pixel array 17, a plurality of pixel circuits 1 and a plurality of optical sensors 2 which are arranged two-dimensionally. Infrared light transmitting filters 3 that allow infrared light to pass therethrough and cut off visible light are respectively provided in paths of light entering the optical sensors 2. Accordingly, an image obtained by the optical sensors 2 is prevented from being influenced by visible light included in outside light or backlight light and thus a touch position is detected with high accuracy, based on an image that is not influenced by visible light included in a large amount in outside light or backlight light. Instead of the infrared light transmitting filters 3, a light-shielding film having the same property 3 may be used.

摘要翻译： 具有内置传感器11的液晶面板在像素阵列17中包括二维布置的多个像素电路1和多个光学传感器2。 分别在进入光学传感器2的光的路径上设置允许红外光通过并遮断可见光的红外光透射滤光器3。因此，防止由光学传感器2获得的图像受到包括在光学传感器2中的可见光的影响 基于不受包含在外部光或背光光中的大量的可见光影响的图像，以高精度检测外部光或背光，并且因此检测到触摸位置。 代替红外光透射滤光器3，可以使用具有相同性质3的遮光膜。