公开(公告)号：US08816285B2

公开(公告)日：2014-08-26

申请号：US13810482

申请日：2011-07-22

申请人： Hiromi Katoh ,  Naru Usukura

发明人： Hiromi Katoh ,  Naru Usukura

IPC分类号： G01J5/10 ,  G06F3/041 ,  G06F3/042

CPC分类号： G06F3/0412 ,  G06F3/042

摘要： A photosensor-equipped display device is provided having a combination of visible and non-visible light sources where a voltage drop is minimized when the non-visible light sources are turned on. The display device includes: a plurality of infrared LEDs (3b); photosensors (9) provided in a pixel region (4) for detecting reflected light originating from the infrared LEDs (3b); a sensor row driver circuit (7) configured to supply a sensor drive signal to the photosensors (9); an amplifier circuit (6) configured to amplify a signal read from the photosensors (9) in response to the sensor drive signal and output a photosensor signal; a signal processing circuit (20) configured to process the photosensor signal output from the amplifier circuit (6); and a backlight control circuit (13) configured to control on and off of the infrared LEDs (3b). The plurality of photosensors (9) are divided into a plurality of sensor groups in the pixel region (4). The light source control circuit (13) causes separate sets of infrared LEDs (3b), corresponding to the sensor groups, to be on during different time periods.

摘要翻译： 提供了一种具有光电传感器的显示装置，其具有可见光和不可见光源的组合，其中当不可见光源被接通时电压降最小化。 显示装置包括：多个红外LED（3b）; 设置在用于检测来自红外LED（3b）的反射光的像素区域（4）中的光传感器（9）; 传感器行驱动电路（7），被配置为向光电传感器（9）提供传感器驱动信号; 放大器电路（6），被配置为响应于所述传感器驱动信号放大从所述光电传感器（9）读取的信号并输出​​光传感器信号; 信号处理电路（20），被配置为处理从放大器电路（6）输出的光电传感器信号; 以及配置为控制所述红外LED（3b）的开和关的背光控制电路（13）。 多个光电传感器（9）在像素区域（4）中分成多个传感器组。 光源控制电路（13）使不同时间段内对应于传感器组的分开的一组红外LED（3b）导通。

公开(公告)号：US20130329174A1

公开(公告)日：2013-12-12

申请号：US13981328

申请日：2012-01-24

申请人： Yuuichi Kanbayashi ,  Hiromi Katoh ,  Naru Usukura

发明人： Yuuichi Kanbayashi ,  Hiromi Katoh ,  Naru Usukura

IPC分类号： G02F1/1343 ,  G02F1/139

CPC分类号： G02F1/134309 ,  G02F1/134363 ,  G02F1/139 ,  G02F1/292 ,  G02F2001/134381

摘要： An optical deflecting element (100A) according to the present invention is an optical deflecting element including a first substrate (11) on which a first electrode (10) is formed, a second substrate (21) on which a second electrode (20) is formed, and a liquid crystal layer (17) arranged between the first electrode (10) and the second electrode (20). At least one of the first electrode (10) and the second electrode (20) includes a plurality of first transparent electrodes (13), a plurality of second transparent electrodes (15), and an inter-layer film (14). The plurality of first transparent electrodes (13) and the plurality of second transparent electrodes (15) are alternately arranged in stripes. The inter-layer film (14) is formed on the plurality of first transparent electrodes (13). The plurality of second transparent electrodes (15) are formed on the inter-layer film (14).

摘要翻译： 根据本发明的光偏转元件（100A）是包括形成有第一电极（10）的第一基板（11）和第二电极（20）的第二基板（21）的光学偏转元件 以及布置在第一电极（10）和第二电极（20）之间的液晶层（17）。 第一电极（10）和第二电极（20）中的至少一个包括多个第一透明电极（13），多个第二透明电极（15）和层间膜（14）。 多个第一透明电极（13）和多个第二透明电极（15）交替排列成条纹。 层间膜（14）形成在多个第一透明电极（13）上。 多个第二透明电极（15）形成在层间膜（14）上。

公开(公告)号：US20120235967A1

公开(公告)日：2012-09-20

申请号：US13512411

申请日：2010-11-30

申请人： Hiromi Katoh ,  Naru Usukura ,  Masahiro Ueda

发明人： Hiromi Katoh ,  Naru Usukura ,  Masahiro Ueda

IPC分类号： G09G5/10

CPC分类号： G06F3/042 ,  G02F2201/58 ,  G06F3/0412 ,  G09G2360/144

摘要： Provided is a display device that can determine an event in accordance with an input operation without using a complex circuit configuration for image processing by simplifying a difference image processing. The display device is provided with a driver circuit for outputting a first control signal, which indicates a first detection period including an ON period of a light source, and a second control signal, which indicates a second detection period not including the ON period of the light source, and performing reset and read-out operations for sensor pixel circuits. The display device is further provided with a difference circuit 21 for deriving pixel values that indicate differences between outputs from the sensor pixel circuits, which correspond to charges that have been accumulated in accordance with incident light during the first detection period, and outputs from the sensor pixel circuits, which correspond to charges that have been accumulated in accordance with incident light during the second detection period, a histogram creating unit 22 for extracting a histogram from the pixel values that have been derived by the difference circuit 21, and an operation determining unit 23 for determining an operation in accordance with an input through an optical sensor on the basis of the histogram.

摘要翻译： 提供了一种显示装置，其可以通过简化差分图像处理而不使用用于图像处理的复杂电路配置来根据输入操作来确定事件。 该显示装置设置有用于输出指示第一检测周期的第一控制信号的驱动电路，该第一控制信号指示包括光源的接通周期的第一检测周期和第二控制信号，该第二控制信号指示不包括第 光源，并对传感器像素电路进行复位和读出操作。 显示装置还设置有差分电路21，用于导出指示来自传感器像素电路的输出之间的差异的像素值，其对应于在第一检测周期期间根据入射光累积的电荷，并且从传感器输出 对应于在第二检测周期期间根据入射光累积的电荷的像素电路，用于从由差分电路21导出的像素值中提取直方图的直方图生成单元22以及操作确定单元 23，用于基于直方图确定根据通过光学传感器的输入的操作。

公开(公告)号：US20120268701A1

公开(公告)日：2012-10-25

申请号：US13515918

申请日：2010-12-14

申请人： Tadashi Nemoto ,  Hiromi Katoh ,  Christopher Brown

发明人： Tadashi Nemoto ,  Hiromi Katoh ,  Christopher Brown

IPC分类号： G01J3/51 ,  H01L33/08 ,  G02F1/1335

CPC分类号： G06F3/042 ,  G02F1/13338 ,  G02F2001/13312 ,  G06F3/0412

摘要： Disclosed is a display device provided with a photosensor, which can improve sensor sensitivity without affecting display. The display device includes: a photosensor (FS) provided in a display region (1); a visible light blocking filter (18) that blocks visible light, which is disposed on an optical path of light that enters through an image display surface and that reaches the photosensor (FS); and a wavelength conversion layer (24) that is disposed between the visible light blocking filter (18) and the photosensor (FS) and that converts light in a specific wavelength range, which includes a range outside of the visible light range, into visible light.

摘要翻译： 公开了一种设置有光电传感器的显示装置，其可以在不影响显示的情况下提高传感器灵敏度。 显示装置包括：设置在显示区域（1）中的光传感器（FS）; 阻挡可见光的可见光阻挡滤光器（18），其设置在通过图像显示表面进入并到达光传感器（FS）的光的光路上; 以及布置在可见光阻挡滤光器（18）和光传感器（FS）之间并将包括可见光范围之外的范围的特定波长范围的光转换成可见光的波长转换层（24） 。

公开(公告)号：US20120176355A1

公开(公告)日：2012-07-12

申请号：US13497354

申请日：2010-06-08

申请人： Yasuhiro Sugita ,  Kohhei Tanaka ,  Kaoru Yamamoto ,  Hiromi Katoh

发明人： Yasuhiro Sugita ,  Kohhei Tanaka ,  Kaoru Yamamoto ,  Hiromi Katoh

IPC分类号： G09G5/00

CPC分类号： G06F3/0412 ,  G06F3/0416 ,  G06F3/042 ,  G09G3/3406 ,  G09G2360/144 ,  G09G2360/148

摘要： A plurality of first sensor pixel circuits each sensing light during a sensing period when a backlight is turned on and retaining the amount of sensed light otherwise in accordance with a clock signal and a plurality of second sensor pixel circuits each sensing light during a sensing period when the backlight is turned off and retaining the amount of sensed light otherwise in accordance with a clock signal are arranged in a pixel region. The sensor pixel circuits of two types are connected to different output lines, so that a difference between two output signals is obtained at the outside of the sensor pixel circuit. The sensor pixel circuits described above are used for detecting a difference between an amount of light to be incident when the backlight is turned on and an amount of light to be incident when the backlight is turned off.

摘要翻译： 多个第一传感器像素电路，每个在感测时段期间感测光，当背光被接通时，并且在感测时段期间根据时钟信号和多个第二传感器像素电路保持感测光的量，否则每个感测光都感测到光 背光源被关闭，并且保持根据时钟信号的感测光量保持在像素区域中。 两种类型的传感器像素电路连接到不同的输出线，从而在传感器像素电路的外部获得两个输出信号之间的差异。 上述传感器像素电路用于检测当背光被接通时要入射的光量与当背光被关闭时入射的光量之间的差异。

公开(公告)号：US09335854B2

公开(公告)日：2016-05-10

申请号：US13497354

申请日：2010-06-08

申请人： Yasuhiro Sugita ,  Kohhei Tanaka ,  Kaoru Yamamoto ,  Hiromi Katoh

发明人： Yasuhiro Sugita ,  Kohhei Tanaka ,  Kaoru Yamamoto ,  Hiromi Katoh

IPC分类号： G06F3/038 ,  G09G5/00 ,  G06F3/041 ,  G09G3/34 ,  G06F3/042

CPC分类号： G06F3/0412 ,  G06F3/0416 ,  G06F3/042 ,  G09G3/3406 ,  G09G2360/144 ,  G09G2360/148

摘要： A plurality of first sensor pixel circuits each sensing light during a sensing period when a backlight is turned on and retaining the amount of sensed light otherwise in accordance with a clock signal and a plurality of second sensor pixel circuits each sensing light during a sensing period when the backlight is turned off and retaining the amount of sensed light otherwise in accordance with a clock signal are arranged in a pixel region. The sensor pixel circuits of two types are connected to different output lines, so that a difference between two output signals is obtained at the outside of the sensor pixel circuit. The sensor pixel circuits described above are used for detecting a difference between an amount of light to be incident when the backlight is turned on and an amount of light to be incident when the backlight is turned off.

摘要翻译： 多个第一传感器像素电路，每个在感测时段期间感测光，当背光被接通时，并且在感测时段期间根据时钟信号和多个第二传感器像素电路保持感测光的量，否则每个感测光都感测到光 背光源被关闭，并且保持根据时钟信号的感测光量保持在像素区域中。 两种类型的传感器像素电路连接到不同的输出线，从而在传感器像素电路的外部获得两个输出信号之间的差异。 上述传感器像素电路用于检测当背光被接通时要入射的光量与当背光被关闭时入射的光量之间的差异。

公开(公告)号：US20120086671A1

公开(公告)日：2012-04-12

申请号：US13378934

申请日：2010-06-11

申请人： Christopher Brown ,  Hiromi Katoh ,  Kohei Tanaka

发明人： Christopher Brown ,  Hiromi Katoh ,  Kohei Tanaka

IPC分类号： G06F3/045

CPC分类号： G06F3/0412 ,  G06F3/044

摘要： A capacitance variation detection circuit is provided in which detection sensitivity to variations in the liquid crystal capacitance can be improved. A capacitance variation detection circuit (10) includes a first variable capacitance portion (CLC1) connected to the voltage supply line; a second variable capacitance portion (CLC2) connected in series with the first variable capacitance portion (CLC1); and a TFT (15) connected to the second variable capacitance portion (CLC2) to be driven depending on the capacitance value of the first variable capacitance (CLC1) and the capacitance value of the second variable capacitance (CLC2), to output an electrical signal corresponding to these capacitance values.

摘要翻译： 提供一种电容变化检测电路，其中可以提高对液晶电容变化的检测灵敏度。 电容变化检测电路（10）包括与电压供给线连接的第一可变电容部（CLC1） 与第一可变电容部分（CLC1）串联连接的第二可变电容部分（CLC2）; 以及根据第一可变电容（CLC1）的电容值和第二可变电容（CLC2）的电容值而驱动的第二可变电容部分（CLC2）的TFT（15），以输出电信号 对应于这些电容值。

公开(公告)号：US08772699B2

公开(公告)日：2014-07-08

申请号：US13254422

申请日：2010-01-07

申请人： Christopher Brown ,  Kohei Tanaka ,  Hiromi Katoh

发明人： Christopher Brown ,  Kohei Tanaka ,  Hiromi Katoh

IPC分类号： H03F3/08 ,  G06F3/038

CPC分类号： G06F3/0412 ,  G02F1/13338 ,  G02F2001/13312 ,  G06F3/042 ,  G09G3/3648

摘要： The present invention relates to a display device including a photosensor in a pixel region. The photosensor of the present invention includes a diode (D1) that receives incident light, reset signal wiring (RST) that supplies a reset signal, readout signal wiring (RWS) that supplies a readout signal, a storage node (INT) whose potential changes in accordance with the amount of light received by the photodetection element in a sensing period, the sensing period being from when the reset signal is supplied until when the readout signal is supplied, an amplification element (C1) that amplifies the potential of the storage node in accordance with the readout signal, and a sensor switching element (M2) for reading out the potential amplified by the amplification element to output wiring (OUT) as sensor circuit output.

摘要翻译： 本发明涉及包括像素区域中的光电传感器的显示装置。 本发明的光传感器包括接收入射光的二极管（D1），提供复位信号的复位信号布线（RST），提供读出信号的读出信号布线（RWS），其电位变化的存储节点（INT） 根据在检测周期中由光检测元件接收的光量，检测周期是从提供复位信号直到提供读出信号时的放大元件（C1）放大存储节点的电位 以及用于读出由放大元件放大的电位以输出布线（OUT）作为传感器电路输出的传感器开关元件（M2）。

公开(公告)号：US08654266B2

公开(公告)日：2014-02-18

申请号：US13203687

申请日：2009-10-16

申请人： Hiromi Katoh ,  Kohei Tanaka ,  Christopher Brown

发明人： Hiromi Katoh ,  Kohei Tanaka ,  Christopher Brown

IPC分类号： G02F1/1335

CPC分类号： G01V8/20 ,  G01J1/06 ,  G01J1/32 ,  G01J1/44 ,  G02F1/13338 ,  G02F2001/13312 ,  G06F3/0412 ,  G06F3/042 ,  H04N5/361 ,  H04N5/3745

摘要： An optical sensor is provided with a photodiode (D1) which receives light in a first range, including light to be detected, and a photodiode (D2) which receives light in a second range other than the light to be detected. For instance, the photodiode (D1) receives light at all the incident angles, and the photodiode (D2) has a light blocking film on an incident light path so as to selectively receive only the incident light from the oblique directions. The differential between the output from the photodiode (D1) and that from the photodiode (D2) is read out as sensor output.

摘要翻译： 光学传感器设置有光接收器（D1），该光电二极管（D1）接收包括要检测的光在内的第一范围的光，以及在除被检测光之外的第二范围内接收光的光电二极管（D2）。 例如，光电二极管（D1）以所有入射角接收光，并且光电二极管（D2）在入射光路上具有遮光膜，以便仅选择性地仅接收来自倾斜方向的入射光。 读出来自光电二极管（D1）的输出与光电二极管（D2）的输出之间的差分作为传感器输出。

公开(公告)号：US20120002149A1

公开(公告)日：2012-01-05

申请号：US13203687

申请日：2009-10-16

申请人： Hiromi Katoh ,  Kohei Tanaka ,  Christopher Brown

发明人： Hiromi Katoh ,  Kohei Tanaka ,  Christopher Brown

IPC分类号： G02F1/1343 ,  G01J5/10 ,  G01J1/42

CPC分类号： G01V8/20 ,  G01J1/06 ,  G01J1/32 ,  G01J1/44 ,  G02F1/13338 ,  G02F2001/13312 ,  G06F3/0412 ,  G06F3/042 ,  H04N5/361 ,  H04N5/3745

摘要： An optical sensor is provided with a photodiode (D1) which receives light in a first range, including light to be detected, and a photodiode (D2) which receives light in a second range other than the light to be detected. For instance, the photodiode (D1) receives light at all the incident angles, and the photodiode (D2) has a light blocking film on an incident light path so as to selectively receive only the incident light from the oblique directions. The differential between the output from the photodiode (D1) and that from the photodiode (D2) is read out as sensor output.

摘要翻译： 光学传感器设置有光接收器（D1），该光电二极管（D1）接收包括要检测的光在内的第一范围的光，以及在除被检测光之外的第二范围内接收光的光电二极管（D2）。 例如，光电二极管（D1）以所有入射角接收光，并且光电二极管（D2）在入射光路上具有遮光膜，以便仅选择性地仅接收来自倾斜方向的入射光。 读出来自光电二极管（D1）的输出与光电二极管（D2）的输出之间的差分作为传感器输出。