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1. 发明授权

US09001096B2 Display device 有权
标题翻译：显示设备
公开(公告)号：US09001096B2
公开(公告)日：2015-04-07
申请号：US13511967
申请日：2010-11-30
申请人： Yasuhiro Sugita , Kohei Tanaka , Christopher Brown
发明人： Yasuhiro Sugita , Kohei Tanaka , Christopher Brown
IPC分类号： G06F3/038 , G09G5/00 , H01L27/146 , G09G3/36
CPC分类号： H01L27/14609 , G09G3/3648 , G09G2320/0233 , G09G2360/141 , G09G2360/148
摘要： Provided is a display device that has excellent accuracy in image capturing by improving linearity of sensitivity characteristics of a photodiode. An optical sensor provided on an active matrix substrate of the display device includes; a photodiode (D1a) for receiving incident light; a reset signal line (RSTa) for supplying a reset signal RST to the optical sensor; a readout signal line (RWSa) for supplying a readout signal RWS to the optical sensor; and a sensor switching element (M1a) for reading out a photoelectric current output from the photodiode (D1a), according to the readout signal, during a period from the supply of the reset signal to the supply of the readout signal. A potential VLS of a light shielding film (LS) provided on a back side of the photodiode (D1a) is caused to be a high level potential during a period that at least partially overlaps a period while the reset signal is supplied.
摘要翻译：提供了一种通过提高光电二极管的灵敏度特性的线性度而具有优异的图像捕获精度的显示装置。提供在显示装置的有源矩阵基板上的光学传感器包括：用于接收入射光的光电二极管（D1a）复位信号线（RSTa），用于向光学传感器提供复位信号RST; 读出信号线（RWSa），用于向光学传感器提供读出信号RWS; 以及在从复位信号的供给到读出信号的供给期间，根据读出信号，读出从光电二极管（D1a）输出的光电流的传感器开关元件（M1a）。设置在光电二极管（D1a）的背面的遮光膜（LS）的电位VLS在复位信号被提供期间至少部分地与周期重叠的时间段内变为高电平电位。

2. 发明授权

US08772699B2 Display device having a photosensor 有权
标题翻译：具有光电传感器的显示装置
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）。

3. 发明授权

US08654266B2 Optical sensor and display device provided with same 有权
标题翻译：光传感器和显示装置相同
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。

4. 发明申请

US20120293475A1 DISPLAY DEVICE 有权
标题翻译：显示设备
公开(公告)号：US20120293475A1
公开(公告)日：2012-11-22
申请号：US13511967
申请日：2010-11-30
申请人： Yasuhiro Sugita , Kohei Tanaka , Christopher Brown
发明人： Yasuhiro Sugita , Kohei Tanaka , Christopher Brown
IPC分类号： G09G5/00
CPC分类号： H01L27/14609 , G09G3/3648 , G09G2320/0233 , G09G2360/141 , G09G2360/148
摘要： Provided is a display device that has excellent accuracy in image capturing by improving linearity of sensitivity characteristics of a photodiode. An optical sensor provided on an active matrix substrate of the display device includes; a photodiode (D1a) for receiving incident light; a reset signal line (RSTa) for supplying a reset signal RST to the optical sensor; a readout signal line (RWSa) for supplying a readout signal RWS to the optical sensor; and a sensor switching element (M1a) for reading out a photoelectric current output from the photodiode (D1a), according to the readout signal, during a period from the supply of the reset signal to the supply of the readout signal. A potential VLS of a light shielding film (LS) provided on a back side of the photodiode (D1a) is caused to be a high level potential during a period that at least partially overlaps a period while the reset signal is supplied.
摘要翻译：提供了一种通过提高光电二极管的灵敏度特性的线性度而具有优异的图像捕获精度的显示装置。提供在显示装置的有源矩阵基板上的光学传感器包括：用于接收入射光的光电二极管（D1a）复位信号线（RSTa），用于向光学传感器提供复位信号RST; 读出信号线（RWSa），用于向光学传感器提供读出信号RWS; 以及在从复位信号的供给到读出信号的供给期间，根据读出信号，读出从光电二极管（D1a）输出的光电流的传感器开关元件（M1a）。设置在光电二极管（D1a）的背面的遮光膜（LS）的电位VLS在复位信号被提供期间至少部分地与周期重叠的时间段内变为高电平电位。

5. 发明申请

US20120002149A1 OPTICAL SENSOR AND DISPLAY DEVICE PROVIDED WITH SAME 有权
标题翻译：光传感器和显示设备
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。

6. 发明申请

US20120001880A1 DISPLAY DEVICE 审中-公开
标题翻译：显示设备
公开(公告)号：US20120001880A1
公开(公告)日：2012-01-05
申请号：US13148610
申请日：2009-10-22
申请人： Christopher Brown , Kohei Tanaka
发明人： Christopher Brown , Kohei Tanaka
IPC分类号： G09G5/00
CPC分类号： G09G3/20 , G02F1/13338 , G02F2001/13312 , G06F3/0412 , G09G3/3648 , G09G2300/0876 , G09G2320/0219 , G09G2360/144
摘要： A display device includes a photosensor in a pixel region (1) of an active matrix substrate (100). The display device includes a light shielding film (LS) provided on the side of a photodiode (D1) that is opposite to the light receiving face thereof, and an electrode (CTL) provided opposing the light shielding film (LS) so as to form a capacitor (CSER) in series with parasitic capacitance (Cc and Ca) between the light shielding film (LS) and the photodiode (D1). A signal for reducing a voltage drop in a storage node (INT) that accompanies a change in the potential of a reset signal is applied to the electrode (CTL) when a sensing period starts.
摘要翻译：显示装置包括在有源矩阵基板（100）的像素区域（1）中的光电传感器。显示装置包括设置在与其受光面相反的光电二极管（D1）侧的遮光膜（LS）和与遮光膜（LS）相对设置的电极（CTL），以形成与遮光膜（LS）和光电二极管（D1）之间的寄生电容（Cc和Ca）串联的电容器（CSER）。当感测周期开始时，用于减小伴随着复位信号的电位变化的存储节点（INT）中的电压降的信号被施加到电极（CTL）。

7. 发明申请

US20110102393A1 DISPLAY DEVICE 审中-公开
标题翻译：显示设备
公开(公告)号：US20110102393A1
公开(公告)日：2011-05-05
申请号：US13001473
申请日：2009-04-16
申请人： Kohei Tanaka , Christopher Brown
发明人： Kohei Tanaka , Christopher Brown
IPC分类号： G02F1/133 , F21V21/00 , G02F1/13357 , G09G5/00
CPC分类号： H01L31/02164 , G06F3/0412 , G06F3/042 , H01L31/105
摘要： A display device includes a photosensor in a pixel region of an active matrix substrate. The photosensor includes a photodiode (D1) that receives incident light, a photodiode (D2) as a reference element connected in series to the photodiode (D1) and having a light shielding layer that blocks incident light, a capacitor (CINT), one electrode of which is connected to a connection point between the photodiodes (D1, D2), that accumulates output current from the photodiodes (D1, D2), reset signal wiring (RST) that supplies a reset signal to the photosensor, readout signal wiring (RWS) that supplies a readout signal to the photosensor, and a thin film transistor (M2) having a control electrode connected to a connection point between the photodiodes (D1, D2).
摘要翻译：显示装置包括在有源矩阵基板的像素区域中的光电传感器。光传感器包括接收入射光的光电二极管（D1），作为与光电二极管（D1）串联连接并具有阻挡入射光的遮光层的参考元件的光电二极管（D2），电容器（CINT），一个电极连接到从光电二极管（D1，D2）累积输出电流的光电二极管（D1，D2）之间的连接点，向光电传感器提供复位信号的复位信号布线（RST），读出信号布线（RWS ），其向光传感器提供读出信号，以及具有连接到光电二极管（D1，D2）之间的连接点的控制电极的薄膜晶体管（M2）。

8. 发明申请

US20120261557A1 DISPLAY DEVICE 有权
标题翻译：显示设备
公开(公告)号：US20120261557A1
公开(公告)日：2012-10-18
申请号：US13511957
申请日：2010-11-30
申请人： Yasuhiro Sugita , Kohei Tanaka , Hiromi Katoh , Christopher Brown
发明人： Yasuhiro Sugita , Kohei Tanaka , Hiromi Katoh , Christopher Brown
IPC分类号： H01L31/12
CPC分类号： G06F3/0412 , G02F1/13624 , G02F2001/13312 , G06F3/042 , G09G3/3648 , G09G2300/0426 , G09G2360/144
摘要： Provided is a display device that includes an optical sensor having a high sensitivity in which a potential difference of an accumulation node due to an illuminance difference on a light receiving surface after boosting is set greater than a potential difference of the same at an end of an integration period. The display device includes an optical sensor in a pixel region. The optical sensor includes a diode D1; a reset signal line RST for supplying a reset signal; a readout signal line RWS for supplying a readout signal; an accumulation node having a potential (VINT) that varies with an amount of light received by the diode D1 during a period from supply of the reset signal to supply of the readout signal; an amplifying element C1 for amplifying VINT according to the readout signal; and a sensor switching element M2 for reading out the amplified potential and outputting the same to an output line. A potential of a light shielding film LS provided on a back side of the diode is fixed to a constant potential VLS satisfying the following formula: VLS≧VRST.H.
摘要翻译：提供一种显示装置，其具有高灵敏度的光学传感器，其中由于在升压之后的受光面上的照度差导致的累积节点的电位差被设定为大于其末端的电位差整合期显示装置包括像素区域中的光学传感器。光学传感器包括二极管D1; 用于提供复位信号的复位信号线RST; 用于提供读出信号的读出信号线RWS; 累积节点具有在从复位信号的供给到读出信号的供给期间随二极管D1接收的光量而变化的电位（VINT）; 用于根据读出信号放大VINT的放大元件C1; 以及用于读出放大电位并将其输出到输出线的传感器开关元件M2。设置在二极管背面的遮光膜LS的电位固定为满足以下公式的恒定电位VLS：VLS≥VRST.H。

9. 发明申请

US20120113060A1 SENSOR CIRCUIT AND DISPLAY APPARATUS 审中-公开
标题翻译：传感器电路和显示设备
公开(公告)号：US20120113060A1
公开(公告)日：2012-05-10
申请号：US13381593
申请日：2010-06-23
申请人： Hiromi Katoh , Christopher Brown , Kohei Tanaka
发明人： Hiromi Katoh , Christopher Brown , Kohei Tanaka
IPC分类号： G06F3/042 , G01J1/44
CPC分类号： G06F3/0412 , G01J1/4204 , G01J1/46 , G02F2001/13312 , G06F3/042
摘要： A sensor circuit or a display apparatus from which a highly accurate sensor output can be obtained includes a photodiode (photodetecting element); a capacitor connected to the photodiode via an accumulation node; a reset signal line to which a reset signal is supplied; a readout signal line to which a readout signal is supplied; a thin-film transistor (sensor switching element) that makes the accumulation node and an output line conductive with respect to each other and outputs an output signal according to the potential of the accumulation node; a microswitch that is capable of switching connection and disconnection between the accumulation node and an input electrode and provides connection when a pressure is applied by a touching operation; and a thin-film (control switching element) for switching conduction and non-conduction between the microswitch and the accumulation node.
摘要翻译：可以获得高精度传感器输出的传感器电路或显示装置包括光电二极管（光电检测元件）; 经由累积节点连接到光电二极管的电容器; 提供复位信号的复位信号线; 提供读出信号的读出信号线; 使得所述累积节点和输出线彼此导通并根据所述累积节点的电位输出输出信号的薄膜晶体管（传感器开关元件）; 能够切换蓄积节点与输入电极之间的连接和断开的微型开关，并且通过触摸操作施加压力时提供连接; 以及用于切换微动开关和累积节点之间的导通和非导通的薄膜（控制开关元件）。

10. 发明授权

US08803791B2 Display device 有权
标题翻译：显示设备
公开(公告)号：US08803791B2
公开(公告)日：2014-08-12
申请号：US13511957
申请日：2010-11-30
申请人： Yasuhiro Sugita , Kohei Tanaka , Hiromi Katoh , Christopher Brown
发明人： Yasuhiro Sugita , Kohei Tanaka , Hiromi Katoh , Christopher Brown
IPC分类号： G09G3/36 , G02F1/1362 , G06F3/042 , G06F3/041 , G02F1/133
CPC分类号： G06F3/0412 , G02F1/13624 , G02F2001/13312 , G06F3/042 , G09G3/3648 , G09G2300/0426 , G09G2360/144
摘要： Provided is a display device that includes an optical sensor having a high sensitivity in which a potential difference of an accumulation node due to an illuminance difference on a light receiving surface after boosting is set greater than a potential difference of the same at an end of an integration period. The display device includes an optical sensor in a pixel region. The optical sensor includes a diode D1; a reset signal line RST for supplying a reset signal; a readout signal line RWS for supplying a readout signal; an accumulation node having a potential (VINT) that varies with an amount of light received by the diode D1 during a period from supply of the reset signal to supply of the readout signal; an amplifying element C1 for amplifying VINT according to the readout signal; and a sensor switching element M2 for reading out the amplified potential and outputting the same to an output line. A potential of a light shielding film LS provided on a back side of the diode is fixed to a constant potential VLS satisfying the following formula: VLS≧VRST.H.
摘要翻译：提供一种显示装置，其具有高感光度的光学传感器，其中由于在升压之后的受光面上的照度差引起的累积节点的电位差设定为大于其末端的电位差，整合期显示装置包括像素区域中的光学传感器。光学传感器包括二极管D1; 用于提供复位信号的复位信号线RST; 用于提供读出信号的读出信号线RWS; 累积节点具有在从复位信号的供给到读出信号的供给期间随二极管D1接收的光量而变化的电位（VINT）; 用于根据读出信号放大VINT的放大元件C1; 以及用于读出放大电位并将其输出到输出线的传感器开关元件M2。设置在二极管背面的遮光膜LS的电位固定为满足以下公式的恒定电位VLS：VLS≥VRST.H。

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