公开(公告)号：US07960807B2

公开(公告)日：2011-06-14

申请号：US11686311

申请日：2007-03-14

Applicant: Xijian Lin ,  Phillip J. Benzel ,  Bjoy Santos ,  Joy Jones

Inventor： Xijian Lin ,  Phillip J. Benzel ,  Bjoy Santos ,  Joy Jones

IPC: H01L31/0232

CPC classification number: G01J1/4228 ,  G01J1/0488 ,  G01J1/4204 ,  G01J3/465 ,  G01J3/513 ,  G01J2003/516 ,  H01L27/14621 ,  H01L27/14643 ,  H01L27/14685 ,  H01L27/14689 ,  H04N9/045

Abstract: A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents, has a spectral response with at least part of the light of other wavelengths cancelled.

Abstract translation: 被配置为检测特定波长的光的CMOS光检测器包括第一传感器和第二传感器。 第一传感器包括由具有第一透射率的第一颜色的着色滤光层覆盖的CMOS光电管，其允许特定波长的光和其它波长的光通过。 第二传感器包括进一步的CMOS光电管，其中至少一些由第一颜色的有色滤光层和第二颜色的有色滤光层两者以任何顺序叠加在一起，其中彩色滤光层 第二种颜色具有允许其它波长的光通过的第二透射率。 第一传感器产生第一光电流，并且当包括特定波长和其它波长的光入射到检测器上时，第二传感器产生第二光电流。 通过确定第一和第二光电流之间的差产生的差分光电流具有光谱响应，其中至少部分其它波长的光被消除。

公开(公告)号：US20080191298A1

公开(公告)日：2008-08-14

申请号：US11686311

申请日：2007-03-14

Applicant: Xijian Lin ,  Philip J. Benzel ,  Bjoy Santos ,  Joy Jones

Inventor： Xijian Lin ,  Philip J. Benzel ,  Bjoy Santos ,  Joy Jones

IPC: H01L31/00 ,  H01L21/98

CPC classification number: G01J1/4228 ,  G01J1/0488 ,  G01J1/4204 ,  G01J3/465 ,  G01J3/513 ,  G01J2003/516 ,  H01L27/14621 ,  H01L27/14643 ,  H01L27/14685 ,  H01L27/14689 ,  H04N9/045

Abstract: A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents, has a spectral response with at least part of the light of other wavelengths cancelled.

Abstract translation: 被配置为检测特定波长的光的CMOS光检测器包括第一传感器和第二传感器。 第一传感器包括由具有第一透射率的第一颜色的着色滤光层覆盖的CMOS光电管，其允许特定波长的光和其它波长的光通过。 第二传感器包括进一步的CMOS光电管，其中至少一些由第一颜色的有色滤光层和第二颜色的有色滤光层两者以任何顺序叠加在一起，其中彩色滤光层 第二种颜色具有允许其它波长的光通过的第二透射率。 第一传感器产生第一光电流，并且当包括特定波长和其它波长的光入射到检测器上时，第二传感器产生第二光电流。 通过确定第一和第二光电流之间的差产生的差分光电流具有光谱响应，其中至少部分其它波长的光被消除。

公开(公告)号：US06825470B1

公开(公告)日：2004-11-30

申请号：US09126203

申请日：1998-07-30

Applicant: Edward J. Bawolek ,  Jean-Charles Korta ,  Walter J. Mack ,  Tinku Acharya ,  Ping-Sing Tsai ,  Gregory W. Starr

Inventor： Edward J. Bawolek ,  Jean-Charles Korta ,  Walter J. Mack ,  Tinku Acharya ,  Ping-Sing Tsai ,  Gregory W. Starr

IPC: G01J351

CPC classification number: H04N5/332 ,  G01J2003/516 ,  G02B5/201 ,  H04N5/33 ,  H04N9/045

Abstract: An imaging system using a color shutter receives signals indicative of color information in a plurality of planes together with infrared information and a signal indicative of the infrared radiation alone. The infrared radiation signal may be subtracted from the signals associated with the color planes to develop signals free of infrared radiation effects for each of the desired color planes. In addition an infrared signal is available which may have useful applications in some situations. In this way, color information color bands may be obtained without the need an infrared filter and infrared information is retained for use in other applications if desired. In addition infrared and dark current information may be derived that can be used for dark current correction.

Abstract translation: 使用彩色快门的成像系统连同红外信息和仅表示红外辐射的信号一起接收指示多个平面中的颜色信息的信号。 可以从与彩色平面相关联的信号中减去红外辐射信号，以产生对于每个期望的色彩面没有红外辐射效应的信号。 此外，在某些情况下，红外信号可能具有有用的应用。 以这种方式，可以获得彩色信息色带，而不需要红外滤光器，并且如果需要，保留红外信息用于其它应用。 此外，可以导出可用于暗电流校正的红外和暗电流信息。

公开(公告)号：US06211521B1

公开(公告)日：2001-04-03

申请号：US09041976

申请日：1998-03-13

Applicant: Edward J. Bawolek ,  Jean-Charles Korta ,  Walter J. Mack

Inventor： Edward J. Bawolek ,  Jean-Charles Korta ,  Walter J. Mack

IPC: H01J4014

CPC classification number: H04N5/332 ,  G01J2003/516 ,  G02B5/201 ,  H04N5/33 ,  H04N9/045

Abstract: A infrared pixel sensor comprising a pixel circuit and a composite infrared pass filter comprising a plurality of filters, wherein each filter belonging to the plurality of filters are substantially transparent to infrared radiation and have a visible pass spectrum so that the composite infrared pass filter is substantially opaque to visible light. Signals from infrared pixel sensors are subtracted from color pixel sensors to correct for infrared radiation in the image signal without the need for an infrared blocking filter.

Abstract translation: 一种红外像素传感器，包括像素电路和包括多个滤光器的复合红外线通过滤光器，其中属于所述多个滤光器的每个滤光器对于红外辐射基本上是透明的并且具有可见的通过光谱，使得所述复合红外线通过滤光器基本上 对可见光不透明。 来自红外像素传感器的信号从彩色像素传感器中减去，以校正图像信号中的红外辐射，而不需要红外阻挡滤波器。