公开(公告)号：US08957361B2

公开(公告)日：2015-02-17

申请号：US13586183

申请日：2012-08-15

申请人： Sang-wook Han ,  Hyun-sik Kim ,  Young-hun Sung ,  Jun-hyeok Yang ,  Gyu-hyeong Cho

发明人： Sang-wook Han ,  Hyun-sik Kim ,  Young-hun Sung ,  Jun-hyeok Yang ,  Gyu-hyeong Cho

IPC分类号： H03K17/00 ,  H03M1/34

CPC分类号： A61B6/4241 ,  H03F3/45475 ,  H03F2200/261 ,  H03F2203/45512 ,  H03F2203/45534 ,  H03F2203/45536

摘要： A switching circuit, a charge sense amplifier, and a photon counting device are provided. The switching circuit configured to close and open a connection between a first terminal and a second terminal of a predetermined circuit element, includes: a first transistor comprising a source connected to the first terminal, a drain connected to the second terminal, and a gate; a second transistor comprising a drain, a source, and a gate connected to the drain of the second transistor; a current source configured to supply a current flowing through the drain and the source of the second transistor, to generate a gate voltage of the gate of the second transistor; and a multiplexer configured to receive the gate voltage, a reference voltage, and a control signal, and selectively apply the gate voltage or the reference voltage to the gate of the first transistor based on the control signal.

摘要翻译： 提供开关电路，电荷读出放大器和光子计数装置。 所述开关电路被配置为关闭并打开预定电路元件的第一端子和第二端子之间的连接，所述开关电路包括：第一晶体管，包括连接到所述第一端子的源极，连接到所述第二端子的漏极和栅极; 第二晶体管，包括连接到第二晶体管的漏极的漏极，源极和栅极; 电流源，被配置为提供流过所述第二晶体管的漏极和源极的电流，以产生所述第二晶体管的栅极的栅极电压; 以及多路复用器，其被配置为接收所述栅极电压，参考电压和控制信号，并且基于所述控制信号选择性地将栅极电压或参考电压施加到所述第一晶体管的栅极。

公开(公告)号：US20130041628A1

公开(公告)日：2013-02-14

申请号：US13561503

申请日：2012-07-30

申请人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

发明人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

IPC分类号： G06F15/00

CPC分类号： G01T1/17 ,  A61B6/032 ,  A61B6/4241 ,  G01T1/16 ,  G01T1/246 ,  G01T1/247 ,  G01T1/2928 ,  G01T1/36

摘要： An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values.

摘要翻译： 用于区分在每个能带上入射到传感器上的多能量辐射中计数光子的读出电路中的光子能带的装置包括积分器，其被配置为累积从已经经历光电转换的传感器接收的电信号 光子 比较器，用于将从积分器接收的累积电信号与多个阈值中的一个进行比较; 以及信号处理器，被配置为根据从所述比较器接收的比较结果，指示从所述多个阈值中的一个到所述多个阈值中的一个阈值的顺序切换; 并输出基于从累积电信号与多个阈值的顺序比较的比较器接收的结果来区分光子的能带的数字信号。

公开(公告)号：US09239391B2

公开(公告)日：2016-01-19

申请号：US13561503

申请日：2012-07-30

申请人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

发明人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

IPC分类号： G06F15/00 ,  G01T1/17 ,  A61B6/03 ,  A61B6/00 ,  G01T1/16 ,  G01T1/29

CPC分类号： G01T1/17 ,  A61B6/032 ,  A61B6/4241 ,  G01T1/16 ,  G01T1/246 ,  G01T1/247 ,  G01T1/2928 ,  G01T1/36

摘要： An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values.

摘要翻译： 用于区分在每个能带上入射到传感器上的多能量辐射中计数光子的读出电路中的光子能带的装置包括积分器，其被配置为累积从已经经历光电转换的传感器接收的电信号 光子 比较器，用于将从积分器接收的累积电信号与多个阈值中的一个进行比较; 以及信号处理器，被配置为根据从所述比较器接收的比较结果，指示从所述多个阈值中的一个到所述多个阈值中的一个阈值的顺序切换; 并输出基于从累积电信号与多个阈值的顺序比较的比较器接收的结果来区分光子的能带的数字信号。

公开(公告)号：US07876292B2

公开(公告)日：2011-01-25

申请号：US11543588

申请日：2006-10-04

申请人： Gyu-hyeong Cho ,  Jin-yong Jeon ,  Gun-ho Lee ,  Young-suk Son ,  Sang Kyung Kim

发明人： Gyu-hyeong Cho ,  Jin-yong Jeon ,  Gun-ho Lee ,  Young-suk Son ,  Sang Kyung Kim

IPC分类号： G09G3/36

CPC分类号： G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0252 ,  G09G2320/0295 ,  G09G2320/043

摘要： An active matrix organic light emitting diode AMOLED driving circuit using current feedback that ensures the uniformity of brightness in pixels of a flat panel display and shortens the time required to input accurate current to respective pixels in the driving circuit.The prevent invention provides an AMOLED driving circuit using current feedback, comprising: a current digital-to-analog converter outputting a current corresponding to input digital data; a first differential amplifier connected to the current digital-to-analog converter and controlling the input data current and a driving current of a driving transistor of a pixel circuit to be identical to each other; a current mirror mirroring driving current of an organic light emitting diode of the pixel circuit to an input side of the first differential amplifier; and a second differential amplifier coupled to the current mirror and controlling charge and discharge speeds of parasitic capacitance of the pixel circuit.

摘要翻译： 使用电流反馈的有源矩阵有机发光二极管AMOLED驱动电路，其确保平板显示器的像素中亮度的均匀性，并缩短将精确电流输入到驱动电路中的各个像素所需的时间。 本发明提供一种使用电流反馈的AMOLED驱动电路，包括：输出与输入数字数据相对应的电流的当前数模转换器; 连接到当前数模转换器并控制像素电路的驱动晶体管的输入数据电流和驱动电流彼此相同的第一差分放大器; 将像素电路的有机发光二极管的驱动电流的电流镜反射到第一差分放大器的输入侧; 以及耦合到电流镜并且控制像素电路的寄生电容的充电和放电速度的第二差分放大器。

公开(公告)号：US20070075939A1

公开(公告)日：2007-04-05

申请号：US11543588

申请日：2006-10-04

申请人： Gyu-hyeong Cho ,  Jin-yong Jeon ,  Gun-ho Lee ,  Young-suk Son ,  Sang Kim

发明人： Gyu-hyeong Cho ,  Jin-yong Jeon ,  Gun-ho Lee ,  Young-suk Son ,  Sang Kim

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0252 ,  G09G2320/0295 ,  G09G2320/043

摘要： An active matrix organic light emitting diode AMOLED driving circuit using current feedback that ensures the uniformity of brightness in pixels of a flat panel display and shortens the time required to input accurate current to respective pixels in the driving circuit. The prevent invention provides an AMOLED driving circuit using current feedback, comprising: a current digital-to-analog converter outputting a current corresponding to input digital data; a first differential amplifier connected to the current digital-to-analog converter and controlling the input data current and a driving current of a driving transistor of a pixel circuit to be identical to each other; a current mirror mirroring driving current of an organic light emitting diode of the pixel circuit to an input side of the first differential amplifier; and a second differential amplifier coupled to the current mirror and controlling charge and discharge speeds of parasitic capacitance of the pixel circuit.

摘要翻译： 使用电流反馈的有源矩阵有机发光二极管AMOLED驱动电路，其确保平板显示器的像素中亮度的均匀性，并缩短将精确电流输入到驱动电路中的各个像素所需的时间。 本发明提供一种使用电流反馈的AMOLED驱动电路，包括：输出与输入数字数据相对应的电流的当前数模转换器; 连接到当前数模转换器并控制像素电路的驱动晶体管的输入数据电流和驱动电流彼此相同的第一差分放大器; 将像素电路的有机发光二极管的驱动电流的电流镜反射到第一差分放大器的输入侧; 以及耦合到电流镜并且控制像素电路的寄生电容的充电和放电速度的第二差分放大器。

公开(公告)号：US20060181349A1

公开(公告)日：2006-08-17

申请号：US11339523

申请日：2006-01-26

申请人： Jeongwook Koh ,  Hoon-tae Kim ,  Kyoung-sik Seol ,  Gyu-hyeong Cho

发明人： Jeongwook Koh ,  Hoon-tae Kim ,  Kyoung-sik Seol ,  Gyu-hyeong Cho

IPC分类号： H03F3/45

CPC分类号： H03F3/45183 ,  H03F3/45188 ,  H03F3/45197 ,  H03F2203/45052 ,  H03F2203/45244 ,  H03F2203/45318 ,  H03F2203/45352 ,  H03F2203/45366 ,  H03F2203/45458 ,  H03F2203/45466 ,  H03F2203/45492 ,  H03G1/0029

摘要： Provided is a complementary metal oxide semiconductor variable gain amplifier controlling a dB linear gain and a method of controlling the dB linear gain. The complimentary metal oxide semiconductor variable gain amplifier includes: first through fourth transistors differentially receiving first and second input voltages and amplifying the first and second input voltage using a predetermined gain; fifth and sixth transistors controlling a transconductance according to a control voltage to control the predetermined gain; and first and second resistors generating an output voltage having the predetermined gain according to an output current generated by the fifth and sixth transistors.

摘要翻译： 提供了控制dB线性增益的互补金属氧化物半导体可变增益放大器和控制dB线性增益的方法。 互补金属氧化物半导体可变增益放大器包括：第一至第四晶体管，差分地接收第一和第二输入电压，并使用预定增益放大第一和第二输入电压; 第五和第六晶体管根据控制电压控制跨导以控制预定的增益; 以及根据由第五和第六晶体管产生的输出电流产生具有预定增益的输出电压的第一和第二电阻器。

公开(公告)号：US07358811B2

公开(公告)日：2008-04-15

申请号：US11339523

申请日：2006-01-26

申请人： Jeongwook Koh ,  Hoon-tae Kim ,  Kyoung-sik Seol ,  Gyu-hyeong Cho

发明人： Jeongwook Koh ,  Hoon-tae Kim ,  Kyoung-sik Seol ,  Gyu-hyeong Cho

IPC分类号： H03F3/45

CPC分类号： H03F3/45183 ,  H03F3/45188 ,  H03F3/45197 ,  H03F2203/45052 ,  H03F2203/45244 ,  H03F2203/45318 ,  H03F2203/45352 ,  H03F2203/45366 ,  H03F2203/45458 ,  H03F2203/45466 ,  H03F2203/45492 ,  H03G1/0029

摘要： Provided is a complementary metal oxide semiconductor variable gain amplifier controlling a dB linear gain and a method of controlling the dB linear gain. The complimentary metal oxide semiconductor variable gain amplifier includes: first through fourth transistors differentially receiving first and second input voltages and amplifying the first and second input voltage using a predetermined gain; fifth and sixth transistors controlling a transconductance according to a control voltage to control the predetermined gain; and first and second resistors generating an output voltage having the predetermined gain according to an output current generated by the fifth and sixth transistors.

摘要翻译： 提供了控制dB线性增益的互补金属氧化物半导体可变增益放大器和控制dB线性增益的方法。 互补金属氧化物半导体可变增益放大器包括：第一至第四晶体管，差分地接收第一和第二输入电压，并使用预定增益放大第一和第二输入电压; 第五和第六晶体管根据控制电压控制跨导以控制预定的增益; 以及根据由第五和第六晶体管产生的输出电流产生具有预定增益的输出电压的第一和第二电阻器。