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像素电路
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  pixel circuit
     This paper designed the pixel circuit and layout of 2-a-Si∶H TFT driving OLED,and optimized its key parameters:W/L=2.5,W/L=25 and storage capacity 0.8 pF;
     设计了驱动OLED的2-a-Si∶HTFT像素电路及其阵列版图,优化了电路中的几个关键参数,即T1的W/L=2.5、T2的W/L=25和存储电容Cs=0.8pF。
短句来源
     The pixel circuit was simulated with the software aim-spice, and the values of the device parameters were optimized.
     通过AIM Spice的模拟仿真了整个像素电路工作状态, 对器件参数进行了优化.
短句来源
     Much work of this paper has been done in AM-OLED technology, mainly focusing on AM-OLED pixel circuit structure design and parameters assurance, AC-driving pixel circuit design and applying, pixel protection circuit design and parameters assurance, integrated peripheral driving circuit design and applying, and simulation work on this design using AIM-SPICE.
     本文对AM-OLED显示技术进行了深入地探讨与研究,主要在AM-OLED像素驱动电路设计与参数确定、交流驱动方式像素电路设计与应用、像素保护电路设计及参数确定、集成一体化周边驱动电路设计与应用等方面做了大量的研究,并给合AIM-SPICE对所设计的电路进行仿真验证。
短句来源
     According to the characteristics of the meta-stable states in a-Si∶H, and two a-Si∶H TFT pixel circuit driving OLED display, a new data signal timing in order to compensate the threshold voltage shift was designed. That is, one compensative signal, whose polarity was inverse to data signal, was inserted between data signals.
     根据非晶硅中亚稳态产生的特点,并针对驱动OLED的两管a-Si∶H-TFT像素电路,提出了一种通过对数据信号时序的重新设计来补偿阈值电压漂移的方法,即在数据信号间加插一个与数据信号极性相反的补偿信号。
短句来源
     We also have improved the pixel circuit according simulation results.
     我们还利用模拟软件,对像素电路进行了模拟仿真,并进行了设计优化。
短句来源
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  pixel circuits
     In this thesis, after studying some kinds of pixel circuits, we present a new pixel circuit which is based on improved flash A/D converter.
     本文比较了人们已经设计出的几种像素电路,对其性能进行了分析,并且利用我们自己提出的改进型闪烁A/D转换器设计了一种新的像素电路
短句来源
  “像素电路”译为未确定词的双语例句
     Study and Design on Pixel and Peripheral Driving Circuits Integrated on Substrate for QVGA Active Matrix OLED
     QVGA AM-OLED像素电路及集成一体化周边驱动电路的研究与设计
短句来源
     2. Three different ac-driving methods have been demonstrated, and we have changed relevant circuit to apply these methods.
     2.根据交流驱动的要求提出三种不同的实现方法,并改进、设计了像素电路及相应的周边驱动电路实现交流驱动。
短句来源
     According to the model, circuits are designed, which include the circuit of two kinds of pixel, column output circuit, output buffer and decoder that is used to select row and column.
     接着再利用n+-psub型二极管的模型设计图像传感器的电路,包括两种像素电路,列输出电路,单位增益缓冲器,以及用于行列选择的译码器。
短句来源
     Both excellent simulation results and experimental results of the fabricated DCA readout chip are presented.
     本文详细介绍了该读出电路的体系结构、像素电路、探测器模型和工作时序 ,并给出了精确的HSPICE仿真结果和试验芯片测试结果 .
短句来源
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  pixel circuit
A pixel circuit can be voltage or current driven depending on the nature of applied input signal.
      
High threshold transistors with body ties are used in the pixel circuit, while I/O transistors are used in the I/O buffers.
      
It makes a compact pixel circuit available and achieves a highspeed position detection on the sensor plane.
      
Mr resets the pixel circuit by balancing the differencing circuit.
      
To obtain an optimal performance of the pixel circuit, the TFT sizes have to be carefully chosen.
      
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  pixel circuits
But 3-TFT pixel circuits power consumption and aperture ratio will increase and decrease, respectively in comparison with the 2-TFT circuits.
      
FIGURE 1 -The proposed driving schematic diagram and pixel circuits.
      
For the pixel circuits with current feedback, an operational transresistance amplifier is designed and implemented in a highvoltage CMOS process.
      
Several test circuits are also included below the array, which provide access to intermediate points in the pixel circuits.
      
The OTA is used as the external column driver for pixel circuits with voltage feedback.
      
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A novel low power CMOS snapshot readout structure called OESCA (Odd Even Snapshot Charge Amplifier) for focal plane array (FPA) is presented.The pixel circuit includes only three NMOS transistors.Using two low power charge amplifiers as column readout circuit (one is for the odd row readout and the other is for the even row),this structure can not only eliminate the influence of column bus parasitic capacitance,but also save 15% power dissipation of the column circuit.Thus,it is very suitable for large ...

A novel low power CMOS snapshot readout structure called OESCA (Odd Even Snapshot Charge Amplifier) for focal plane array (FPA) is presented.The pixel circuit includes only three NMOS transistors.Using two low power charge amplifiers as column readout circuit (one is for the odd row readout and the other is for the even row),this structure can not only eliminate the influence of column bus parasitic capacitance,but also save 15% power dissipation of the column circuit.Thus,it is very suitable for large format small pixel lower power readout circuit.An experimental 64×64 OESCA chip has been designed with 1 2μm DPDM n well CMOS technology.The charge handling capacity is 10 37pC with the pixel size of 50μm×50μm.The descriptions of the readout circuit structure,pixel circuit,detector model,operation principle and chip layout is given in detail.Both excellent simulation results and experimental results of the fabricated OESCA readout chip are presented.

介绍了一个工作于快照模式的 CMOS焦平面读出电路的低功耗新结构— OESCA (Odd- Even SnapshotCharge Am plifier)结构 .该结构像素电路非常简单 ,仅用三个 NMOS管 ;采用两个低功耗设计的电荷放大器做列读出电路 ,分别用于奇偶行的读出 ,不但可有效消除列线寄生电容的影响 ,而且列读出电路的功耗可降低 15 % ,因此 OESCA新结构特别适于要求低功耗设计的大规模、小像素阵列焦平面读出电路 .采用 OESCA结构和 1.2μm双硅双铝标准 CMOS工艺设计了一个 6 4× 6 4规模焦平面读出电路实验芯片 ,其像素尺寸为 5 0μm× 5 0μm ,读出电路的电荷处理能力达 10 .37p C.详细介绍了该读出电路的体系结构、像素电路、探测器模型和工作时序 ,并给出了精确的 SPICE仿真结果和试验芯片的测试结果

A novel CMOS snapshot readout structure called DCA (Direct-injection Charge Amplifier) for focal-plane array (FPA) is presented in this paper.The pixel circuit includes only four MOS transistors.Using PMOSFET as the reset transistor with careful layout design,this pixel circuit not only can keep the in-pixel-capacitance large enough,but also can avoid the threshold voltage loss during the reset for the integration node.Thereby,charge capacity of the readout circuit is increased.Since the pixel circuit is very...

A novel CMOS snapshot readout structure called DCA (Direct-injection Charge Amplifier) for focal-plane array (FPA) is presented in this paper.The pixel circuit includes only four MOS transistors.Using PMOSFET as the reset transistor with careful layout design,this pixel circuit not only can keep the in-pixel-capacitance large enough,but also can avoid the threshold voltage loss during the reset for the integration node.Thereby,charge capacity of the readout circuit is increased.Since the pixel circuit is very simple and this structure can eliminate the influence of column bus parasitic capacitance,it is very suitable for large-format small-pixel readout circuit.An experimental 128×128 DCA chip has been designed with 1.2-μm DPDM n-well CMOS technology.The charge handling capacity is 11.2pC with pixel size 50×50μm 2.A description of the readout circuit structure,pixel circuit,detector model,operation principle and chip layout is given in detail.Both excellent simulation results and experimental results of the fabricated DCA readout chip are presented.

本文介绍了一个工作于快照模式的CMOS焦平面读出电路新结构———DCA(Direct injectionChargeAmpli fier)结构 .该结构像素电路仅用 4个MOS管 ,采用特殊的版图设计并用PMOS管做复位管 ,既可保证像素内存储电容足够大 ,又可避免复位电压的阈值损失 ,从而提高了读出电路的电荷处理能力 .由于像素电路非常简单 ,且该结构能有效消除列线寄生电容Cbus的影响 ,因此该结构非常适用于小像素、大规模的焦平面读出电路 .采用DCA结构和 1 2 μm双硅双铝 (DPDM Double PolyDouble Metal)标准CMOS工艺设计了一个 12 8× 12 8规模焦平面读出电路试验芯片 ,其像素尺寸为 5 0× 5 0 μm2 ,电荷处理能力达 11 2pC .本文详细介绍了该读出电路的体系结构、像素电路、探测器模型和工作时序 ,并给出了精确的HSPICE仿真结果和试验芯片测试结果 .

According to the principle of OLED, the structures of OLED device and a pixel circuit of TFT-OLED are introduced. TFT-OLED of 240×320×3 dots is driven to realize display of image with a lot of information by using row and column driver chips and controller chip, which are controlled by MCS-51 MCU. This design need few peripheric devices and have a simple hard structure to advance the function-efficiency of the system.The function of the module driver of TFT-OLED and the design of the interface circuit of hardware...

According to the principle of OLED, the structures of OLED device and a pixel circuit of TFT-OLED are introduced. TFT-OLED of 240×320×3 dots is driven to realize display of image with a lot of information by using row and column driver chips and controller chip, which are controlled by MCS-51 MCU. This design need few peripheric devices and have a simple hard structure to advance the function-efficiency of the system.The function of the module driver of TFT-OLED and the design of the interface circuit of hardware are described, and the software flow of singlechip is given too.

从OLED的发光原理出发,介绍了OLED器件的结构特点和常用的TFT OLED像素电路的结构。利用TFT OLED行列驱动芯片和控制芯片,通过MCS 51单片机的控制来驱动240×320×3点阵的TFT OLED屏,实现大信息量的图形显示。该设计方案所需外围器件少,硬件结构简单,有利于提高系统的运行效率。介绍了驱动模块的功能和硬件接口电路的设计方法,并给出了单片机的软件流程图。

 
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