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91. 发明授权

US08227887B2 Photodetector and display device provided with the same 有权
标题翻译：光电检测器和显示设备提供相同的
公开(公告)号：US08227887B2
公开(公告)日：2012-07-24
申请号：US12601990
申请日：2008-06-12
申请人： Christopher Brown , Hiromi Katoh
发明人： Christopher Brown , Hiromi Katoh
IPC分类号： H01L33/00
CPC分类号： G02F1/13318 , G02F1/1362 , G02F2001/13312 , G02F2201/58 , H01L31/02164 , H01L31/02165 , H01L31/035281 , H01L31/105 , Y02E10/50
摘要： Provided are a photodetector capable of suppressing variations in the output characteristics among photodiodes, and a display device provided with the photodetector. A display device in use has an active matrix substrate (20) including a transparency base substrate (2), a plurality of active elements and a photodetector. The photodetector includes a light-shielding layer (3) provided on one main surface of the base substrate (2), a photodiode (1) arranged on an upper layer of the light-shielding layer (3), and an electrode (12) arranged in the vicinity of the photodiode (1) on the upper layer of the light-shielding layer (3). The photodiode (1) includes a silicon layer (11), and the silicon layer (11) is insulated electrically from the light-shielding layer (3). The electrode (12) is insulated electrically from the light-shielding layer (3) and the silicon layer (11). The light-shielding layer (3) is formed so that a part thereof is overlapped with the entire silicon layer (11) and the other part is overlapped with the electrode (12) in the thickness direction of the base substrate (2).
摘要翻译：提供一种能够抑制光电二极管之间的输出特性的变化的光检测器和具有该光检测器的显示装置。使用的显示装置具有包括透明性基板（2），多个有源元件和光电检测器的有源矩阵基板（20）。光电检测器包括设置在基底基板（2）的一个主表面上的遮光层（3），布置在遮光层（3）的上层上的光电二极管（1）和电极（12）布置在遮光层（3）的上层上的光电二极管（1）附近。光电二极管（1）包括硅层（11），硅层（11）与遮光层（3）电绝缘。电极（12）与遮光层（3）和硅层（11）电绝缘。遮光层（3）形成为使得其一部分与整个硅层（11）重叠，另一部分在基底（2）的厚度方向上与电极（12）重叠。

92. 发明授权

US08179483B2 Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：US08179483B2
公开(公告)日：2012-05-15
申请号：US12596541
申请日：2008-02-22
申请人： Hiromi Katoh
发明人： Hiromi Katoh
IPC分类号： G02F1/1335
CPC分类号： H01L31/101 , G02F1/133555 , G02F2001/13312 , H01L31/02164
摘要： A liquid crystal display device of the present invention includes a liquid crystal display panel (10) in which a liquid crystal layer (13) is arranged between an active matrix substrate (11) and a counter substrate (12). A plurality of optical sensors (16) are provided in respective image display regions of the liquid crystal display panel (10), each of the optical sensors (16) having a light receiving section (16d) for detecting transmitted light through a panel surface of the liquid crystal display panel (10). The liquid crystal display panel (10) is a transflective type panel and the optical sensors (16) are provided in respective reflective display regions (R) of the transflective type panel. Further, a reflective electrodes (34) provided above the respective optical sensors (16) serve as light shielding layers so as to shut out light which enters the light receiving section (16d) in an oblique direction. Moreover, an aperture (34a) is provided in a part of each of the reflective electrodes (34) so that the light receiving section (16d) can detect light from directly above.
摘要翻译：本发明的液晶显示装置具有在有源矩阵基板（11）和对置基板（12）之间配置有液晶层（13）的液晶显示面板（10）。在液晶显示面板（10）的各个图像显示区域中设置多个光学传感器（16），每个光学传感器（16）具有用于检测通过面板表面的透射光的光接收部分（16d）液晶显示面板（10）。液晶显示面板（10）是透反射型面板，并且光学传感器（16）设置在半透射型面板的各反射显示区域（R）中。此外，设置在各个光学传感器（16）上方的反射电极（34）用作遮光层，以便沿倾斜的方向遮断入射到光接收部分（16d）的光。此外，在每个反射电极（34）的一部分中设置有孔（34a），使得光接收部（16d）能够从上方检测光。

93. 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）。

94. 发明授权

US08164719B2 Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：US08164719B2
公开(公告)日：2012-04-24
申请号：US12445153
申请日：2007-06-21
申请人： Hiromi Katoh , Hiroyuki Ogawa , Christopher Brown , Benjamin James Hadwen
发明人： Hiromi Katoh , Hiroyuki Ogawa , Christopher Brown , Benjamin James Hadwen
IPC分类号： G02F1/1333 , G02F1/133
CPC分类号： G02F1/136209 , G02F2001/13312 , G02F2202/10 , H01L31/02164
摘要： The present invention provides a liquid crystal display device capable of preventing the occurrence of dark currents in photodiodes. Thus, the liquid crystal display device includes a liquid crystal display panel 1 including an active matrix substrate and a backlight 13 for illuminating the liquid crystal display panel. The active matrix substrate 1 includes a photodiode 7 formed by a silicon film and a light shielding film 8 for shielding the photodiode 7 against illumination light from the backlight 13. The photodiode 7 and the light shielding film 8 are provided on a base substrate 5. The light shielding film 8 is formed by a semiconductor or an insulator. Preferably, the photodiode 7 is made of, for example, polycrystalline silicon or continuous grain silicon so as to have a characteristic that its sensitivity increases as the wavelength of light entering the photodiode becomes shorter. The light-shielding film 8 is formed by a silicon film, for example amorphous silicon, that reduces the transmittance of light entering the light shielding film as the wavelength of the light becomes shorter.
摘要翻译：本发明提供能够防止光电二极管中的暗电流发生的液晶显示装置。因此，液晶显示装置包括：液晶显示面板1，其包括有源矩阵基板和用于照亮液晶显示面板的背光源13。有源矩阵基板1包括由硅膜形成的光电二极管7和用于屏蔽来自背光源13的照明光的光电二极管7的遮光膜8.光电二极管7和遮光膜8设置在基底基板5上。遮光膜8由半导体或绝缘体形成。优选地，光电二极管7例如由多晶硅或连续晶粒硅制成，以具有随着进入光电二极管的光的波长变短的灵敏度而增加的特性。遮光膜8由硅膜（例如非晶硅）形成，其随着光的波长变短而降低进入遮光膜的光的透射率。

95. 发明申请

US20110175086A1 PHOTODIODE, MANUFACTURING METHOD FOR THE SAME, AND DISPLAY DEVICE INCLUDING PHOTODIODE 审中-公开
标题翻译：光电二极管及其制造方法以及包括光电转换器的显示装置
公开(公告)号：US20110175086A1
公开(公告)日：2011-07-21
申请号：US13120427
申请日：2009-05-14
申请人： Hiromi Katoh , Christopher Brown , Tomohiro Kimura
发明人： Hiromi Katoh , Christopher Brown , Tomohiro Kimura
IPC分类号： H01L31/0376 , H01L31/20
CPC分类号： H01L27/14692 , H01L27/14643 , H01L31/1055
摘要： A photodiode (7) formed in a polycrystalline silicon layer or a continuous grain silicon layer on a base substrate (5) of a display device includes a semiconductor region of a first conductivity-type (n layer (21)), an intrinsic semiconductor region (i layer (22)), and a semiconductor region of a second conductivity-type (p layer (23)) that is opposite from the first conductivity-type. At least a portion of the intrinsic semiconductor region (i layer (22)) is amorphous silicon.
摘要翻译：形成在显示装置的基板（5）上的多晶硅层或连续晶粒硅层中的光电二极管（7）包括第一导电型（n层（21））的半导体区域，本征半导体区域（i层（22））和与第一导电型相反的第二导电型（p层（23））的半导体区域。本征半导体区域（i层（22））的至少一部分是非晶硅。

96. 发明申请

US20110109601A1 DISPLAY DEVICE 有权
标题翻译：显示设备
公开(公告)号：US20110109601A1
公开(公告)日：2011-05-12
申请号：US13002541
申请日：2009-07-01
申请人： Christopher Brown , Hiromi Katoh
发明人： Christopher Brown , Hiromi Katoh
IPC分类号： G09G5/00
CPC分类号： G06F3/0412 , G09G3/3648 , G09G2360/148 , H01L31/035272 , H01L31/153
摘要： Provided is a display device including a photoreception unit on an active matrix substrate in correspondence with one or two or more pixels, and a driving unit that drives the photoreception unit. The photoreception unit includes a photodiode, a capacitor that accumulates a charge in accordance with the electrical signal from when a reset signal (RST) from the driving unit has switched from the high level to the low level to when a readout signal (RWS) at the high level from the driving unit has been applied, and a switching element that, while the readout signal (RWS) is at the high level, allows output of a photoreception signal whose output level changes in accordance with the amount of accumulated charge. In a row selection period, after writing of an image signal to pixel electrodes in the row selected in the row selection period has ended, the driving unit switches the reset signal (RST) applied to the photoreception unit in the same row from the high level to the low level.
摘要翻译：提供了一种显示装置，其包括与一个或两个以上像素对应的有源矩阵基板上的光接收单元，以及驱动光接收单元的驱动单元。光接收单元包括光电二极管，电容器，其根据来自驱动单元的复位信号（RST）从高电平切换到低电平时的电信号累积电荷，当读出信号（RWS）在已经应用了来自驱动单元的高电平，并且在读出信号（RWS）处于高电平的同时允许输出电平根据累积电荷量而变化的光接收信号的开关元件。在行选择期间，在行选择期间中选择的行中的像素电极写入图像信号之后，驱动单元将施加到同一行中的光接收单元的复位信号（RST）从高电平切换到低水平。

97. 发明申请

US20100315394A1 DISPLAY APPARATUS 审中-公开
标题翻译：显示设备
公开(公告)号：US20100315394A1
公开(公告)日：2010-12-16
申请号：US12445650
申请日：2007-10-11
申请人： Hiromi Katoh , Christopher Brown
发明人： Hiromi Katoh , Christopher Brown
IPC分类号： G09G5/00
CPC分类号： G06F1/3265 , G02F2001/13312 , G06F1/32 , G06F1/3218 , G06F3/0412 , G06F3/042 , G09G3/3648 , G09G2310/0291 , G09G2330/021 , G09G2360/14 , H04N1/00127 , H04N1/00129 , H04N1/0461 , H04N1/195 , H04N5/335 , H04N2201/0081 , Y02D10/153
摘要： The present invention provides a display apparatus with image capturing function including optical sensors in its pixels, particularly a display apparatus capable of capturing an image while suppressing the power consumption. The display apparatus includes: optical sensors and sensor wirings provided in a pixel region of an active matrix substrate; a sensor row driver for selecting the optical sensors row by row; a sensor pixel readout circuit for reading out signal charges from the optical sensors in the selected row; a sensor column amplifier including the number of amplifiers corresponding to the rows of the optical sensors for generating a sensor output voltage; a sensor column scanning circuit for selecting the signal charges readout by the sensor pixel readout circuit column by column so that the selected signal charges being outputted to the sensor column amplifier; and a buffer amplifier (6) provided subsequent to the sensor column amplifier (24). The sensor column amplifier (42) or the buffer amplifier (6) is provided with a standby switching circuit for suppressing an output to a subsequent stage of either of the amplifiers in accordance with a standby signal.
摘要翻译：本发明提供一种具有包括其像素中的光学传感器的图像捕获功能的显示装置，特别是能够在抑制功耗的同时捕获图像的显示装置。显示装置包括：设置在有源矩阵基板的像素区域中的光学传感器和传感器布线; 用于逐行选择光学传感器的传感器行驱动器; 传感器像素读出电路，用于从所选择的行中的光学传感器读出信号电荷; 传感器列放大器，包括与用于产生传感器输出电压的光学传感器的行相对应的放大器的数量; 传感器列扫描电路，用于逐列选择由传感器像素读出电路读出的信号电荷，使得选择的信号电荷输出到传感器列放大器; 以及设置在所述传感器列放大器（24）之后的缓冲放大器（6）。传感器列放大器（42）或缓冲放大器（6）设置有备用开关电路，用于根据待机信号抑制任一放大器的后级的输出。

98. 发明申请

US20100302223A1 IMAGE DISPLAY DEVICE 有权
标题翻译：图像显示设备
公开(公告)号：US20100302223A1
公开(公告)日：2010-12-02
申请号：US12744997
申请日：2008-11-17
申请人： Mayuko Sakamoto , Hiromi Katoh , Christopher Brown
发明人： Mayuko Sakamoto , Hiromi Katoh , Christopher Brown
IPC分类号： G09G5/00 , G09G3/36
CPC分类号： G02F1/13318 , G02F1/13338 , G02F1/133514 , G02F1/1362 , G02F2001/13312 , H01L27/14621 , H01L27/14632 , H01L27/14643
摘要： An image display device includes an image display panel (4) with an image detection function, and includes a plurality of pixels disposed in a matrix and a plurality of photosensors (17) disposed in correspondence with the pixels in a display region. The pixels each have a plurality of sub-pixels (5), and a color filter in which colors of color layers are formed in correspondence with the sub-pixels (5) is provided. The photosensors (17) have an incident light wavelength characteristic in which a photoreception sensitivity to light that passes through, among the colors of color layers, the color layer whose color is most toward a short wavelength side is higher than a photoreception sensitivity to light that passes through, among the colors of color layers, the color layer whose color is most toward a long wavelength side, and the photosensors (17) are disposed such that, with respect to a thickness direction of the image display panel (4), photodetection regions (19) of the photosensors (17) overlap with, among the plurality of color layers, the color layer whose color is most toward the long wavelength side. The present invention enables reducing the reflection of a display image on sensor output caused by optical interference.
摘要翻译：图像显示装置包括具有图像检测功能的图像显示面板（4），并且包括以矩阵形式设置的多个像素和与显示区域中的像素对应设置的多个光电传感器（17）。像素各具有多个子像素（5），并且提供了与子像素（5）对应地形成有彩色层的彩色滤光器。光传感器（17）具有入射光波长特性，其中对于颜色最浅的波长侧的颜色层，彩色层的颜色中通过的光的感光灵敏度高于对光的感光灵敏度在颜色层的颜色中，通过颜色最向长波长侧的颜色层，并且光电传感器（17）被设置为使得相对于图像显示面板（4）的厚度方向，光电检测器光传感器（17）的区域（19）在多个彩色层中与颜色最接近长波长侧的彩色层重叠。本发明能够减少由光学干涉引起的传感器输出上的显示图像的反射。

99. 发明申请

US20100140631A1 DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：显示装置及其制造方法
公开(公告)号：US20100140631A1
公开(公告)日：2010-06-10
申请号：US12595322
申请日：2008-04-17
申请人： Masaki Yamanaka , Hiromi Katoh , Christopher Brown
发明人： Masaki Yamanaka , Hiromi Katoh , Christopher Brown
IPC分类号： H01L33/00 , H01L21/265
CPC分类号： H01L31/035281 , G02F1/13318 , G02F1/1362 , H01L27/1446 , H01L31/0232 , H01L31/153 , H01L31/1804 , Y02E10/547
摘要： Provided are a display device in which variation in output characteristics of the photodiode is suppressed, and a method for manufacturing the display device. The display device is provided with the active matrix substrate (2) and photodiode (6). First, on a substrate of glass (12), a silicon film (8) and an interlayer insulation film (15) for covering the silicon film (8) are formed in this order. Then, a metal film is formed, and metal lines (10, 11) traversing the silicon film (8) are formed by etching the metal film. Then, p-type impurity ions are implanted by using a mask that has an opening (24a) that exposes a portion that overlaps a region where a p-layer (9a) is to be formed, a part of the opening (24a) being formed with the metal line (10). Furthermore, n-type impurity ions are implanted by using a mask that has an opening (25b) that exposes a portion that overlaps a region where an n-layer (9c) is to be formed, a part of the opening (25a) being formed with the metal line (11).
摘要翻译：提供了抑制光电二极管的输出特性的变化的显示装置及其制造方法。显示装置设置有有源矩阵基板（2）和光电二极管（6）。首先，在玻璃基板（12）上依次形成用于覆盖硅膜（8）的硅膜（8）和层间绝缘膜（15）。然后，形成金属膜，通过蚀刻金属膜形成穿过硅膜（8）的金属线（10,11）。然后，通过使用具有露出与形成有p层（9a）的区域重叠的部分的开口（24a）的掩模来注入p型杂质离子，开口部（24a）的一部分与金属线（10）形成。此外，通过使用具有露出与要形成n层（9c）的区域重叠的部分的开口（25b）的掩模来注入n型杂质离子，所述开口（25a）的一部分为与金属线（11）形成。

100. 发明申请

US20100134452A1 DISPLAY DEVICE 审中-公开
标题翻译：显示设备
公开(公告)号：US20100134452A1
公开(公告)日：2010-06-03
申请号：US12595112
申请日：2008-04-09
申请人： Hiromi Katoh , Kazuhiro Maeda , Christopher Brown
发明人： Hiromi Katoh , Kazuhiro Maeda , Christopher Brown
IPC分类号： G06F3/038 , G09G3/36
CPC分类号： G06F3/0418 , G01J1/46 , G02F1/13338 , G02F2001/13312 , G09G3/3648 , G09G2360/147
摘要： Provided is a display device that has a photodetection element within a pixel and can calibrate automatically a photo sensor signal during an operation of the display device. A sensor row driver (5) has a first operation mode for supplying a sensor chive signal of a first pattern to a photo sensor in a pixel region (1) so as to output a photo sensor signal corresponding to a quantity of receiving light of the photo sensor to a signal processing circuit (8), a second operation mode for supplying a sensor drive signal of a second pattern so as to acquire a first photo sensor signal level for calibration corresponding to the case where the photo sensor detects a black level, and a third operation mode for supplying a sensor drive signal of a third pattern so as to acquire a second photo sensor signal level for calibration corresponding to the case where the photo sensor detects a white level. The signal processing circuit (8) calibrates the photo sensor signal during the first operation mode by using the first and the second photo sensor signal levels.
摘要翻译：提供一种在像素内具有光电检测元件并且可以在显示装置的操作期间自动校准光电传感器信号的显示装置。传感器行驱动器（5）具有第一操作模式，用于将像素区域（1）中的第一图案的传感器辅助信号提供给光传感器，以便输出与所述像素区域（1）中的接收光量相对应的光传感器信号光传感器到信号处理电路（8），第二操作模式用于提供第二图案的传感器驱动信号，以获得与光传感器检测到黑电平的情况相对应的用于校准的第一光传感器信号电平，以及第三操作模式，用于提供第三图案的传感器驱动信号，以获得与光传感器检测到白电平的情况相对应的用于校准的第二光传感器信号电平。信号处理电路（8）通过使用第一和第二光电传感器信号电平在第一操作模式期间校准光传感器信号。

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