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公开(公告)号：US20080291305A1
公开(公告)日：2008-11-27
申请号：US12100289
申请日：2008-04-09
IPC分类号： H04N5/335
CPC分类号： H04N5/335 , H04N5/35527
摘要： In a solid state imaging device having a wide dynamic range, a pixel includes a photodiode that generates a charge in accordance with an intensity of incident light, signal generation units that generate a first voltage level in accordance with an amount of charge generated by the photodiode in an exposure period T1 and a second voltage level in accordance with an amount of charge generated by the photodiode in an exposure period T2, and signal composition units that composite the first and second voltage levels generated by the signal generation units.
摘要翻译： 在具有宽动态范围的固态成像装置中，像素包括根据入射光强度产生电荷的光电二极管，根据由光电二极管产生的电荷量产生第一电压电平的信号产生单元 在曝光期间T1和第二电压电平中，根据在曝光期间T2中由光电二极管产生的电荷量，以及合成由信号发生单元产生的第一和第二电压电平的信号合成单元。
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22.发明申请Solid-state imaging device and driving method for a solid-state imaging device 有权固态成像装置及其固体成像装置的驱动方法公开(公告)号：US20080036889A1
公开(公告)日：2008-02-14
申请号：US11889202
申请日：2007-08-09
CPC分类号： H04N5/35572 , H04N5/374 , H04N5/37452
摘要： A solid-state imaging device that enables more images to be photographed and a reading time to be shortened by effectively using storage cells is provided. By combining pieces of information which correspond to signal charges output from a photoelectric converter and are sequentially stored in storage cells, it is possible to store more pieces of information than the number of storage cells. Also, by reading the combined information stored in one storage cell, it is possible to read more pieces of information by a single reading operation.
摘要翻译： 提供一种能够通过有效地使用存储单元来拍摄更多图像并缩短读取时间的固态成像装置。 通过组合对应于从光电转换器输出的信号电荷的信息并且顺序地存储在存储单元中，可以存储比存储单元数更多的信息。 此外，通过读取存储在一个存储单元中的组合信息，可以通过单次读取操作读取更多的信息。
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公开(公告)号：US07973840B2
公开(公告)日：2011-07-05
申请号：US11946987
申请日：2007-11-29
CPC分类号： H04N5/335
摘要： A solid-state imaging device includes: a plurality of pixels arranged in a matrix, the matrix defining columns of the pixels, and each of the pixels outputting an analog signal by performing photoelectric conversion; an analog-digital converter provided for each of columns which sequentially converts a plurality of analog signals outputted from the pixels in a column into a plurality of digital signals; a memory circuit provided for each column which includes memories and performs, in parallel, a process of storing a one of the digital signals in one of the memories and a process of outputting another of the digital signals previously stored in another of the memories; and data buses connected to the memory in each column.
摘要翻译： 固态成像装置包括：矩阵排列的多个像素，矩阵定义像素列，并且每个像素通过进行光电转换而输出模拟信号; 为每列提供的模数转换器，其将从列中的像素输出的多个模拟信号顺序地转换成多个数字信号; 为每列提供的包括存储器的存储电路，并行地执行将一个数字信号存储在其中一个存储器中的处理，以及输出先前存储在另一个存储器中的另一个数字信号的处理; 和数据总线连接到每列的存储器。
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公开(公告)号：US07808536B2
公开(公告)日：2010-10-05
申请号：US11558670
申请日：2006-11-10
CPC分类号： H04N5/335 , H04N5/232 , H04N5/374 , H04N5/37452
摘要： A solid-state imaging device for high-speed photography includes an imaging element area in which a plurality of pixel portions having photodetectors for photography are disposed in a matrix form. The solid-state imaging device generates image data by capturing pixel information obtained from the photodetectors for photography. The solid-state imaging device for high-speed photography further includes: a change detection element that detects a change in an amount of incident light, which is disposed in the imaging element area or at a predetermined position surrounding the imaging element area; and a controller that controls starting or stopping of capturing of pixel information obtained from the photodetectors for photography in accordance with a trigger signal based on a detection signal output from the change detection element. Since the photographing can be started in accordance with the generation of a phenomenon, the phenomenon can be recorded with reliability, and an excellent power-saving capability also can be provided.
摘要翻译： 用于高速摄影的固态成像装置包括其中具有用于摄影的光电检测器的多个像素部分以矩阵形式布置的成像元件区域。 固态成像装置通过捕获从用于摄影的光电检测器获得的像素信息来生成图像数据。 用于高速摄影的固态成像装置还包括：变化检测元件，其检测设置在成像元件区域或围绕成像元件区域的预定位置处的入射光量的变化; 以及控制器，其基于从变化检测元件输出的检测信号，根据触发信号，控制从用于摄影的光电检测器获得的像素信息的拍摄的开始或停止。 由于可以根据现象的产生开始拍摄，因此可以可靠地记录现象，并且还可以提供优异的节电能力。
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25.发明授权Solid-state imaging device, semiconductor integrated circuit, and signal processing method 有权固态成像装置，半导体集成电路和信号处理方法公开(公告)号：US07791524B2
公开(公告)日：2010-09-07
申请号：US12388105
申请日：2009-02-18
IPC分类号： H03M1/12
CPC分类号： H04N5/378 , H04N5/3742
摘要： A solid-state imaging device includes: pixel circuits arranged in a matrix which perform photoelectric conversion on received light; and an AD conversion unit converting the resultant signal voltage of the photoelectric conversion. The AD conversion unit includes: a reference voltage generation unit generating plural reference voltages which are different from each other within a possible range for a signal voltage; a most significant bit conversion unit that identifies a voltage section including the signal voltage from among the voltage sections each having a corresponding one of the reference voltages as a base point and determines the identified result as the value of the most significant bit of the digital signal; and a least significant bit conversion unit that converts, into the least significant bit of the digital signal, the difference voltage between the signal voltage and the reference voltage as the base point of the identified voltage section.
摘要翻译： 固态成像装置包括：以接收光进行光电转换的矩阵状的像素电路; 以及转换所得到的光电转换信号电压的AD转换单元。 AD转换单元包括：在信号电压的可能范围内产生彼此不同的多个参考电压的参考电压产生单元; 一个最高有效位转换单元，其识别包括每个具有对应的一个参考电压的电压部分中的信号电压的电压部分作为基点，并将所识别的结果确定为数字信号的最高有效位的值 ; 以及最低有效位转换单元，其将所述信号电压和所述参考电压之间的差电压转换为所述数字信号的最低有效位作为所识别的电压部分的基点。
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26.发明授权Solid-state imaging device having a plurality of signal charge holding unit with a write target switching unit and a read target switching unit 有权具有多个具有写目标切换单元和读目标切换单元的信号电荷保持单元的固态成像装置公开(公告)号：US07772536B2
公开(公告)日：2010-08-10
申请号：US11785625
申请日：2007-04-19
IPC分类号： H01J40/14
CPC分类号： H04N5/335 , H01L27/14601 , H04N5/374 , H04N5/37452
摘要： Provided is a solid-state imaging device that can perform a high-speed imaging, with appropriate number of pixels maintained. A plurality of pixels are arranged in a matrix in the solid-state imaging device. Each pixel includes a plurality of signal charge holding units that hold signal charges output from a photo diode. A write target switching unit selects the signal charge holding units so that signal charges output at different time points are written to the signal charge holding units, respectively. A read target switching unit switches between signal charge holding units from which to read a signal charge.
摘要翻译： 提供了一种固态成像装置，其可以执行适当数量的像素的高速成像。 在固态成像装置中以矩阵形式排列多个像素。 每个像素包括保持从光电二极管输出的信号电荷的多个信号电荷保持单元。 写目标切换单元选择信号电荷保持单元，使得在不同时间点输出的信号电荷分别被写入信号电荷保持单元。 读取目标切换单元在从其读取信号电荷的信号电荷保持单元之间切换。
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公开(公告)号：US07671777B2
公开(公告)日：2010-03-02
申请号：US11822589
申请日：2007-07-09
IPC分类号： H03M1/34
CPC分类号： H03M1/188 , H03M1/0607 , H03M1/0675 , H03M1/56 , H03M1/58
摘要： An AD converter includes an analog data storing unit, a first DA converter for converting an input digital data into a first analog reference voltage which varies within a first voltage range in a range of every possible signal voltage of the input analog data, a second DA converter for converting the input digital data into a second analog reference voltage which varies within a second voltage range in the range of every possible signal voltage of the input analog data, a first comparator for comparing the input analog data with the first reference voltage, a second comparator for comparing the input analog data with the second reference voltage and a digital data storing unit for storing a digital data corresponding to a point of time when a change of state occurs in the comparison results of each of the first and second comparators.
摘要翻译： AD转换器包括模拟数据存储单元，第一DA转换器，用于将输入数字数据转换成在输入模拟数据的每个可能的信号电压的范围内在第一电压范围内变化的第一模拟参考电压;第二DA 转换器，用于将输入数字数据转换成在输入模拟数据的每个可能的信号电压的范围内在第二电压范围内变化的第二模拟参考电压，用于将输入的模拟数据与第一参考电压进行比较的第一比较器， 第二比较器，用于将输入模拟数据与第二参考电压进行比较;以及数字数据存储单元，用于存储对应于在第一和第二比较器中的每一个的比较结果中发生状态改变的时间点的数字数据。
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公开(公告)号：US08018510B2
公开(公告)日：2011-09-13
申请号：US11569603
申请日：2005-02-25
IPC分类号： H04N5/335
摘要： A solid-state imaging device is provided in which sensitivity is prevented from lowering even when signals of pixels are mixed. The solid-state imaging device includes a plurality of pixel units each of which has a photoelectric conversion element, and is capable of summing signals corresponding to respective outputs of the photoelectric conversion elements of the pixel units. The device includes: a plurality of capacitors, each of which individually accumulates electric charges corresponding to a signal outputted from the associated photoelectric conversion element; and a plurality of MOS transistors which are alternately connected with the associated capacitor. By disconnecting the MOS transistor, the electric charges of the signal outputted from each of the photoelectric conversion elements are accumulated in each associated capacitor, and by conducting the MOS transistors to sum the signals of the pixel units, the capacitors are connected in series.
摘要翻译： 提供一种固态成像装置，即使在像素的信号混合的情况下也可以防止其降低灵敏度。 固态成像装置包括多个像素单元，每个像素单元具有光电转换元件，并且能够对与像素单元的光电转换元件的各个输出相对应的信号求和。 该装置包括：多个电容器，每个电容器分别累积与从相关联的光电转换元件输出的信号相对应的电荷; 以及与相关联的电容器交替连接的多个MOS晶体管。 通过断开MOS晶体管，从每个相关联的电容器中累积从每个光电转换元件输出的信号的电荷，并且通过使MOS晶体管将像素单元的信号相加，电容器串联连接。
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公开(公告)号：US07667171B2
公开(公告)日：2010-02-23
申请号：US11571461
申请日：2005-07-04
IPC分类号： H01L27/00
CPC分类号： H04N5/3598 , H01L27/14609 , H04N5/243 , H04N5/3575
摘要： In the case where a subject is captured with a high-luminance light, such as sunlight, for a background, a phenomenon that a portion of the high-luminance subject is detected as a no-signal level is prevented. The solid-state imaging device includes: a photoelectric transducer PD which converts incident light to charges; a voltage level detection circuit 50 in which pixel units 10an1 and 10bn1, each having a voltage conversion amplifying transistor Q13a which outputs a voltage by converting the charges accumulated in the photoelectric transducer PD, are arranged one-dimensionally or two-dimensionally, and which detects a pixel output voltage outputted from each of the pixel units to the common column signal line Ln; and a column signal processing circuit 80 which receives a logic output voltage of the voltage level detection circuit 50 and the pixel output voltage and which outputs a voltage to a horizontal output circuit 90. The column signal processing circuit 80 outputs either a voltage identical to the pixel output voltage or a fixed voltage, depending on the logic output voltage.
摘要翻译： 在用诸如阳光的高亮度光拍摄被摄体背景的情况下，防止将高亮度被摄体的一部分检测为无信号电平的现象。 固态成像装置包括：将入射光转换成电荷的光电转换器PD; 电压电平检测电路50，其中具有通过转换积累在光电变换器PD中的电荷而输出电压的电压转换放大晶体管Q13a的像素单元10an1和10bn1被一维或二维地排列， 从每个像素单元输出到公共列信号线Ln的像素输出电压; 以及列信号处理电路80，其接收电压电平检测电路50的逻辑输出电压和像素输出电压，并向水平输出电路90输出电压。列信号处理电路80输出与 像素输出电压或固定电压，取决于逻辑输出电压。
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公开(公告)号：US07968888B2
公开(公告)日：2011-06-28
申请号：US11422708
申请日：2006-06-07
IPC分类号： H01L31/00
CPC分类号： H01L27/1462 , H01L27/14621 , H01L27/14623 , H01L27/14625 , H01L27/14627 , H01L27/14632 , H01L27/14685 , H01L27/14687
摘要： An object of the present invention is to provide a small solid-state image sensor which realizes significant improvement in sensitivity. The solid-state image sensor of the present invention includes a semiconductor substrate in which photoelectric conversion units are formed, a light-blocking film which is formed above the semiconductor substrate and has apertures formed so as to be positioned above respective photoelectric conversion units, and a high refractive index layer formed in the apertures. Here, each aperture has a smaller aperture width than a maximum wavelength in a wavelength of light in a vacuum converted from a wavelength of the light entering the photoelectric conversion unit through the apertures, and the high refractive index is made of a high refractive index material having a refractive index which allows transmission of light having the maximum wavelength through the aperture.
摘要翻译： 本发明的目的是提供一种实现敏感度显着提高的小型固态图像传感器。 本发明的固态图像传感器包括形成有光电转换单元的半导体衬底，形成在半导体衬底之上并具有形成为位于各个光电转换单元之上的孔的遮光膜，以及 形成在孔中的高折射率层。 这里，每个孔径在从通过孔进入光电转换单元的光的波长转换的真空中的光波长中的最大波长较小，高折射率由高折射率材料 具有折射率，其允许通过孔径传输具有最大波长的光。
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