公开(公告)号：WO2014059920A1

公开(公告)日：2014-04-24

申请号：PCT/CN2013/085252

申请日：2013-10-15

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： ZHANG, Caiting ,  LIU, Kun ,  FU, Jingjun ,  HU, Wenge

IPC: H01L27/148 ,  H01L27/146

CPC classification number: H01L27/1461 ,  H01L27/14616 ,  H01L27/14643 ,  H01L27/14683 ,  H01L27/14698 ,  H04N5/378

Abstract: A pixel cell, a method for manufacturing the same and an image sensor comprising the same are provided. The pixel cell comprises: a substrate (101); a photodiode (103), a pass transistor (107) and a floating diffusion structure (104) respectively formed on the substrate (101), in which the pass transistor (107) is formed between the photodiode (103) and the floating diffusion structure (104); and a PINNED structure (105), formed on the substrate (101) and connected with the floating diffusion structure (104), in which a reset voltage of the floating diffusion structure (104) is higher than a depletion voltage of the PINNED structure (105).

Abstract translation: 提供像素单元，其制造方法和包括该像素单元的图像传感器。 像素单元包括：基板（101）; 分别形成在基板（101）上的光电二极管（103），通过晶体管（107）和浮动扩散结构（104），其中在光电二极管（103）和浮动扩散结构 （104）; 以及形成在所述基板（101）上并与所述浮动扩散结构（104）连接的PINNED结构（105），其中所述浮动扩散结构（104）的复位电压高于所述PINNED结构的耗尽电压（ 105）。

公开(公告)号：WO2013040968A1

公开(公告)日：2013-03-28

申请号：PCT/CN2012/080339

申请日：2012-08-20

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  PENG, Mao ,  HAN, Zhenyou ,  FU, Jingjun ,  HU, Wenge

Inventor： PENG, Mao ,  HAN, Zhenyou ,  FU, Jingjun ,  HU, Wenge

IPC: H04N5/369

CPC classification number: H01L27/14603 ,  H04N9/045

Abstract: A pixel array and a pixel unit are provided. A pixel array comprises: a plurality of pixel rows (100), each pixel row (100) comprising a plurality of pixel units (101), in which a length of a pixel unit (101) is twice of a height of the pixel unit (101), any two adjacent pixel rows (100) are staggered, and a staggered distance between the any two adjacent pixel rows (100) is equal to the height of the pixel unit (101). A pixel array comprises: a plurality of pixel columns (200), each pixel column (200) comprising a plurality of pixel units (201), in which a height of each pixel unit (201) is twice of a length of the pixel unit (201), any two adjacent pixel columns (200) are staggered, and a staggered distance between the any two adjacent pixel columns (200) is equal to the length of the pixel unit (201).

Abstract translation: 提供像素阵列和像素单元。 像素阵列包括：多个像素行（100），每个像素行（100）包括多个像素单元（101），其中像素单元（101）的长度是像素单元（101）的高度的两倍 （101），任何两个相邻的像素行（100）交错，并且任意两个相邻像素行（100）之间的交错距离等于像素单元（101）的高度。 像素阵列包括：多个像素列（200），每个像素列（200）包括多个像素单元（201），其中每个像素单元（201）的高度是像素单元（201）的长度的两倍 （201），任何两个相邻像素列（200）交错，并且任意两个相邻像素列（200）之间的交错距离等于像素单元（201）的长度。

公开(公告)号：WO2013029516A1

公开(公告)日：2013-03-07

申请号：PCT/CN2012/080620

申请日：2012-08-27

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  PENG, Mao ,  FU, Jingjun ,  HU, Wenge

Inventor： PENG, Mao ,  FU, Jingjun ,  HU, Wenge

IPC: H04N9/04

CPC classification number: G02B5/201 ,  H01L27/14621 ,  H01L27/14625 ,  H04N9/045 ,  H04N9/07

Abstract: A pixel array is provided. The pixel array comprises a plurality of two-dimensionally arranged 4*4 Bayer matrix units, in which the matrix unit comprises a plurality of pixels, any of a green filter, a red filter and a blue filter is disposed in one pixel, and a part of the green filters are replaced by a white color filter in the matrix units. A camera using the same and a color processing method based on the pixel array are also provided.

Abstract translation: 提供像素阵列。 像素阵列包括多个二维布置的4×4拜耳矩阵单位，其中矩阵单元包括多个像素，绿色滤光器，红色滤光片和蓝色滤光片中的任何一个设置在一个像素中，并且 绿色滤光片的一部分由矩阵单元中的白色滤色器代替。 还提供了使用其的相机和基于像素阵列的颜色处理方法。

公开(公告)号：EP2520080A1

公开(公告)日：2012-11-07

申请号：EP10840469.0

申请日：2010-12-01

Applicant: BYD Company Limited ,  Shenzhen BYD Auto R&D Company Limited

Inventor： QIN, Zhi ,  FU, Jingjun ,  HU, Wenge

IPC: H04N5/335

CPC classification number: H04N5/35581

Abstract: A method for reading out a high dynamic range image in an image sensor comprises: resetting a pixel array row by row from an initial row of the pixel array to process a first integration treatment for a first image when reaching a first start time; resetting the pixel array row by row from the initial row of the pixel array to process a second integration treatment for the first image when reaching a second start time; and resetting the pixel array row by row from the initial row of the pixel array to process a first integration treatment for a second image when reaching a third start time.

公开(公告)号：EP2520080B1

公开(公告)日：2017-08-02

申请号：EP10840469.0

申请日：2010-12-01

Applicant: BYD Company Limited ,  Shenzhen BYD Auto R&D Company Limited

Inventor： QIN, Zhi ,  FU, Jingjun ,  HU, Wenge

IPC: H04N5/335 ,  H04N5/355

CPC classification number: H04N5/35581

公开(公告)号：EP2752008A1

公开(公告)日：2014-07-09

申请号：EP12828966.7

申请日：2012-08-27

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： PENG, Mao ,  FU, Jingjun ,  HU, Wenge

IPC: H04N9/04

CPC classification number: G02B5/201 ,  H01L27/14621 ,  H01L27/14625 ,  H04N9/045 ,  H04N9/07

Abstract: A pixel array is provided. The pixel array comprises a plurality of two-dimensionally arranged 4*4 Bayer matrix units, in which the matrix unit comprises a plurality of pixels, any of a green filter, a red filter and a blue filter is disposed in one pixel, and a part of the green filters are replaced by a white color filter in the matrix units. A camera using the same and a color processing method based on the pixel array are also provided.

公开(公告)号：EP2752008B1

公开(公告)日：2019-02-06

申请号：EP12828966.7

申请日：2012-08-27

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： PENG, Mao ,  FU, Jingjun ,  HU, Wenge

IPC: H04N9/04 ,  H04N5/335

公开(公告)号：WO2008080321A1

公开(公告)日：2008-07-10

申请号：PCT/CN2007/070870

申请日：2007-10-10

Applicant: BYD COMPANY LIMITED ,  HU, Wenge ,  FU, Jingjun ,  QI, Liangjie

Inventor： HU, Wenge ,  FU, Jingjun ,  QI, Liangjie

IPC: H04N5/335 ,  H04N5/217

CPC classification number: H04N5/3658 ,  H04N5/374

Abstract: The present invention discloses a fixed pattern noise elimination circuit for CMOS image sensor, comprising a static random access memory (SRAM), a shift register, an analog signal processor (ASP), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC) and a comparator. With the present invention, the nonuniformity resulted from the bias mismatch between columns of the CMOS image sensor can be corrected for each frame; therefore, the fixed pattern noise (FPN) in the CMOS image sensor can be eliminated, the imaging quality of the CMOS image sensor can be improved greatly, and the processing circuit for the CMOS image sensor can work in pipeline mode.

Abstract translation: 本发明公开了一种用于CMOS图像传感器的固定图案噪声消除电路，包括静态随机存取存储器（SRAM），移位寄存器，模拟信号处理器（ASP），模数转换器（ADC），数字 模拟转换器（DAC）和比较器。 利用本发明，可以对每个帧校正CMOS图像传感器的列之间的偏移不匹配导致的不均匀性; 因此，可以消除CMOS图像传感器中的固定图案噪声（FPN），可以大大提高CMOS图像传感器的成像质量，并且CMOS图像传感器的处理电路可以在管道模式下工作。

公开(公告)号：WO2011079680A1

公开(公告)日：2011-07-07

申请号：PCT/CN2010/079357

申请日：2010-12-01

Applicant: BYD COMPANY LIMITED ,  QIN, Zhi ,  FU, Jingjun ,  HU, Wenge

Inventor： QIN, Zhi ,  FU, Jingjun ,  HU, Wenge

IPC: H04N5/335

CPC classification number: H04N5/35581

Abstract: A method for reading out a high dynamic range image frame in an image sensor and a device using the same are provided. The image sensor comprises a pixel array with a plurality of pixels arranged in columns and rows. The device comprises a pixel array comprising a plurality of pixels arranged in columns and rows; a calculating unit, configured to calculate and determine a first integration time and a second integration time according to an output image frame information; and an integration time processing unit.

Abstract translation: 提供了一种用于读出图像传感器中的高动态范围图像帧的方法和使用其的装置。 图像传感器包括具有排列成列和行的多个像素的像素阵列。 该装置包括：像素阵列，包括以行和列排列的多个像素; 计算单元，被配置为根据输出图像帧信息计算并确定第一积分时间和第二积分时间; 和积分时间处理单元。

公开(公告)号：EP1971131A1

公开(公告)日：2008-09-17

申请号：EP06840681.8

申请日：2006-12-28

Applicant: Byd Company Limited

Inventor： HU, Wenge

IPC: H04N5/14

CPC classification number: H04N9/045 ,  H04N5/3575 ,  H04N5/361 ,  H04N5/365 ,  H04N5/378

Abstract: An image signal processing circuit for CMOS image sensor comprises a differential operational amplifier, input stage capacitors, and output stage capacitors. The input stage capacitors comprise a first positive input stage switching capacitor array and a first negative input stage switching capacitor array. The first positive input stage switching capacitor array is configured to input analog image signals, a control end of the first positive input stage switching capacitor array is connected to a color gain control signal end, and an output end of the first positive input stage switching capacitor array is coupled to a positive input end of the differential operational amplifier. The first negative input stage switching capacitor array is configured to input a reference level signal, a control end of the first negative input stage switching capacitor array is connected to the color gain control signal end, and an output end of the first negative input stage switching capacitor array is coupled to a negative input end of the differential operational amplifier. The output stage capacitors are connected between the output end and the input end of the differential operational amplifier. In the present invention, two or more control functions are implemented with a single circuit, therefore, with the imaging effects guaranteed, the circuit structure is simplified, the size of the CMOS image sensor chip is reduced, and thus the cost is reduced. The present invention meets the developing trend of product miniaturization.

Abstract translation: 用于CMOS图像传感器的图像信号处理电路包括差分运算放大器，输入级电容器和输出级电容器。 输入级电容器包括第一正输入级切换电容器阵列和第一负输入级切换电容器阵列。 第一正输入级开关电容器阵列被配置为输入模拟图像信号，第一正输入级切换电容器阵列的控制端连接到彩色增益控制信号端，第一正输入级开关电容器的输出端 阵列耦合到差分运算放大器的正输入端。 第一负输入级切换电容器阵列被配置为输入参考电平信号，第一负输入级切换电容器阵列的控制端连接到彩色增益控制信号端，第一负输入级切换的输出端 电容器阵列耦合到差分运算放大器的负输入端。 输出级电容器连接在差分运算放大器的输出端和输入端之间。 在本发明中，通过单个电路实现两个以上的控制功能，因此，通过保证成像效果，电路结构简化，CMOS图像传感器芯片的尺寸减小，成本降低。 本发明满足产品小型化的发展趋势。