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公开(公告)号：KR101491471B1
公开(公告)日：2015-02-10
申请号：KR1020120085074
申请日：2012-08-03
Applicant: 주식회사 실리콘웍스 , 한국과학기술원
Abstract: 변위 센서 및 이를 이용한 변위 감지 방법이 개시된다. 본 발명의 일 실시예에 따른 변위 센서는 부품 위치와 상호 연관되는 운동 가능한 커플러 소자; 여기 신호에 의해 여기되어 전자기 방사를 생성하는 송신 코일; 상기 커플러 소자에 의한 상기 전자기 방사의 차폐에 따른 상기 송신 코일과의 유도 결합에 의하여 수신 신호를 생성하는 적어도 하나 이상의 수신 코일; 및 상기 송신 코일과의 유도 결합에 의하여 상기 커플러 소자의 위치와 무관한 각각의 기준 신호를 생성하는 두 개의 기준 코일을 포함하고, 상기 두 개의 기준 코일은 상기 커플러 소자의 형태를 고려하여 배치되거나 상기 커플러 소자와의 갭 변화에 따라 신호 변화량이 서로 다른 기준 신호를 생성하며, 두 개의 상기 기준 신호에 대한 차와 합의 비율을 이용하여 공통 모드 요소가 제거된 갭에 대한 정보를 포함하는 보상 신호를 생성하고, 상기 생성된 상기 보상 신호와 상기 수신 신호를 이용하여 상기 갭을 고려한 상기 부품 위치에 해당하는 변위를 감지하는 신호 처리부를 더 포함함으로써, 공통 모드 요소와 갭 오차를 함께 보상할 수 있고, 이를 통해 변위 감지의 정확성을 향상시킬 수 있다.
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公开(公告)号：KR101370044B1
公开(公告)日：2014-03-25
申请号：KR1020120013240
申请日：2012-02-09
IPC: G09G3/30
Abstract: 본발명은유기전계발광표시패널의데이터구동장치에관한것으로서, 데이터라인(DL)의데이터라인전압(V)의변화를감지하는전압감지부, 입력데이터(Input DATA) 및상기전압감지부로부터의변화된데이터라인전압(V)을입력받아화소부의유기전계발광소자휘도감쇠를보상하기위한보상데이터를출력하는신호처리부, 및상기신호처리부로부터입력받은보상데이터를이용하여상기화소부를구동하는전류구동부를포함한다.
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公开(公告)号：KR1020130091905A
公开(公告)日：2013-08-20
申请号：KR1020120013240
申请日：2012-02-09
IPC: G09G3/30
Abstract: PURPOSE: A data driver for providing the constant brightness of organic light-emitting diodes (OLED), a data driving method, and an OELD panel using the same are provided to compensate for the attenuation of brightness due to the deterioration of the OLED, thereby ensuring the constant brightness of the OLED. CONSTITUTION: A data driver of an organic electroluminescence display (OELD) panel comprises a voltage sensor (200), a signal processor (100), and a current driver (300). The voltage sensor detects a change of the data line voltage (VL) of a data line (DL). The signal processor receives input data and the data line voltage to output compensation data for compensating for the attenuation of brightness of an organic electroluminescent device. The current driver drives a pixel unit (400) by using the compensation data inputted from the signal processor. The signal processor outputs first data during a first time interval (T1) and outputs second data during a second time interval (T2). [Reference numerals] (100) Signal processor; (200) Voltage sensor; (300) Current driver; (400) Pixel unit; (AA) Input data; (BB) Compensation data; (CC) Data current signal
Abstract translation: 目的：提供用于提供有机发光二极管（OLED）的恒定亮度的数据驱动器，数据驱动方法和使用其的OELD面板，以补偿由于OLED的劣化引起的亮度衰减，从而 确保OLED的恒亮度。 构成：有机电致发光显示器（OELD）面板的数据驱动器包括电压传感器（200），信号处理器（100）和电流驱动器（300）。 电压传感器检测数据线（DL）的数据线电压（VL）的变化。 信号处理器接收输入数据和数据线电压以输出用于补偿有机电致发光器件的亮度衰减的补偿数据。 当前驱动器通过使用从信号处理器输入的补偿数据来驱动像素单元（400）。 信号处理器在第一时间间隔（T1）期间输出第一数据，并在第二时间间隔（T2）期间输出第二数据。 （附图标记）（100）信号处理器; （200）电压传感器; （300）当前司机; （400）像素单位; （AA）输入数据; （BB）赔偿数据; （CC）数据电流信号
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公开(公告)号：KR1020080048230A
公开(公告)日：2008-06-02
申请号：KR1020060118353
申请日：2006-11-28
Applicant: 한국과학기술원
CPC classification number: G09G3/3283 , G09G3/3233 , G09G2300/0809 , G09G2310/0262 , G09G2320/029 , G09G2320/043 , G09G2320/045
Abstract: A data driving circuit and an OLED(Organic Light Emitting Display) device including the same are provided to enhance image quality by compensating for the lightness decrease of lights due to the deterioration of the OLED device. An OLED(Organic Light Emitting Display) device includes a reference pixel controller(11), a data driver(20), and a display panel(30). The reference pixel controller includes a beam detecting unit(111) and a reference current controller(112). The beam detecting unit detects luminescence intensity of a reference pixel and outputs a first control signal according to the luminescence intensity. The reference current controller outputs a second control signal for controlling the magnitude of reference current inputted to the reference pixel according to the first control signal. The data driver includes a current source unit(201) and a digital to analog converter(202). The current source unit outputs current with the same magnitude as the reference current according to the second control signal. The digital to analog converter outputs data currents by scaling current with the same magnitude as the reference current. The display panel includes pixels having organic light emitting elements radiated by the data currents.
Abstract translation: 提供包括该数据驱动电路和OLED（有机发光显示器）的OLED（有机发光显示器件）以通过补偿由于OLED器件劣化引起的光的亮度降低而提高图像质量。 OLED（有机发光显示器）装置包括参考像素控制器（11），数据驱动器（20）和显示面板（30）。 参考像素控制器包括光束检测单元（111）和参考电流控制器（112）。 光束检测单元检测参考像素的发光强度，并根据发光强度输出第一控制信号。 参考电流控制器输出用于根据第一控制信号控制输入到参考像素的参考电流的大小的第二控制信号。 数据驱动器包括电流源单元（201）和数模转换器（202）。 电流源单元根据第二控制信号输出与参考电流相同幅度的电流。 数模转换器通过以与参考电流相同的大小来缩放电流来输出数据电流。 显示面板包括具有由数据电流辐射的有机发光元件的像素。
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公开(公告)号：KR100792708B1
公开(公告)日：2008-01-11
申请号：KR1020060053342
申请日：2006-06-14
Applicant: 한국과학기술원
IPC: H03M1/66
CPC classification number: H03M1/745
Abstract: 본 발명은 디지털 아날로그 변환기에 관한 것으로, 보다 상세하게는 해상도 특성이 우수하고, 작은 칩 면적 상에 구현할 수 있는 디지털 아날로그 변환기에 관한 것이다.
이러한 본 발명의 디지털 아날로그 변환기는 전류공급부와, 전류공급부로부터 공급되는 전류를 분배하는 전류분배부와, 입력신호에 따라 반전신호와 비반전신호를 출력하는 인버터부와, 반전신호와 비반전신호에 따라 전류분배부에 의해 분배된 전류의 흐름을 제어하는 스위칭부 및 비반전신호에 따른 분배전류들을 합하여 아날로그 신호를 출력하는 전류출력부를 포함한다.
이러한 본 발명에 따르면, 해상도 특성이 우수하고, 작은 칩 면적 상에 구현할 수 있는 디지털 아날로그 변환기를 구현할 수 있는 등의 효과가 있다.
디지털 아날로그 변환기, 전류분배부, 인버터부, 스위칭부, 임피던스버퍼부-
Patent Agency Ranking
公开(公告)号：KR1020070119139A
公开(公告)日：2007-12-20
申请号：KR1020060053342
申请日：2006-06-14
Applicant: 한국과학기술원
IPC: H03M1/66
CPC classification number: H03M1/745
Abstract: A digital to analog converter is provided to reduce the number of current sources to one and simplifying a digital circuit for controlling the current source to be placed on a small-sized semiconductor chip. A digital to analog converter includes a current supplying unit(31), a current distributing unit(32), an inverter unit(36), a switching unit(35), and a current outputting unit(37). The current distributing unit distributes current supplied from the current supplying unit. The inverter unit outputs a reverse signal and a non-reverse signal according to an input signal. The switching unit controls the flow of current distributed by the current distributing unit according to the reverse signal and the non-reverse signal. The current outputting unit sums the distribution current according to the non-reverse signal and outputs an analog signal.
Abstract translation: 提供了数模转换器以将电流源的数量减少到一个，并且简化数字电路以控制将电流源放置在小尺寸半导体芯片上。 数模转换器包括电流供给单元（31），电流分配单元（32），逆变单元（36），切换单元（35）和电流输出单元（37）。 电流分配单元分配从电流供应单元提供的电流。 逆变器单元根据输入信号输出反向信号和非反向信号。 开关单元根据反向信号和非反向信号来控制由电流分配单元分配的电流的流动。 电流输出单元根据非反向信号求和分配电流，并输出模拟信号。
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公开(公告)号：KR100655779B1
公开(公告)日：2006-12-13
申请号：KR1020050096959
申请日：2005-10-14
Applicant: 한국과학기술원
Abstract: A precharge circuit for driving an AMOLED(Active Matrix Organic Light Emitting Diode) is provided to reduce the layout area of a data driving chip and power consumption by not using an operation amplifier. A precharge circuit for driving an AMOLED includes a first precharge voltage generation transistor(M1) for generating precharge voltage of a data line according to the input of predetermined current; a second charging transistor(M2) and a discharging current source(IBIAS) for making capacitive load(Cp) of the data line; and first and second switching transistors(SW1,SW2) for controlling the operation of the first and second transistors, where the first and second transistors are N-type transistors. The precharge circuit receives turn-on voltage between gate and source stages of the first transistor through a source stage of the second transistor by connecting the source stage of the second transistor to the gate stage of the first transistor.
Abstract translation: 提供用于驱动AMOLED（有源矩阵有机发光二极管）的预充电电路，以通过不使用运算放大器来减小数据驱动芯片的布局面积和功耗。 用于驱动AMOLED的预充电电路包括：第一预充电电压产生晶体管（M1），用于根据预定电流的输入产生数据线的预充电电压; 用于产生数据线的容性负载（Cp）的第二充电晶体管（M2）和放电电流源（IBIAS） 以及用于控制第一和第二晶体管的操作的第一和第二开关晶体管（SW1，SW2），其中第一和第二晶体管是N型晶体管。 预充电电路通过将第二晶体管的源极级连接到第一晶体管的栅极级，通过第二晶体管的源极级接收第一晶体管的栅级与源级之间的导通电压。
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公开(公告)号：KR1020120025755A
公开(公告)日：2012-03-16
申请号：KR1020100087842
申请日：2010-09-08
IPC: G09G3/30
CPC classification number: G09G3/325 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2320/0295 , G09G2320/043 , G09G2330/10
Abstract: PURPOSE: An active organic light emitting display which has a reset function is provided to eliminate influence of hysteresis by adding a reset period between data cycles. CONSTITUTION: A driving part(120) generates an analog driving signal with drive data. A pixel part(130) comprises an organic light emitting diode. The pixel part charges a value corresponding to the drive data in a tracking section. The pixel part detects the driving signal in the tracking section. The pixel part supplies current to the organic light emitting diode in a holding section. The pixel part establishes a reset period between the holding section and the following tracking section. An analog to digital converter(ADC,140) detects the driving signal with deterioration voltage in the tracking section.
Abstract translation: 目的：提供具有复位功能的有源有机发光显示器，通过在数据周期之间增加复位周期来消除滞后的影响。 构成：驱动部件（120）产生具有驱动数据的模拟驱动信号。 像素部分（130）包括有机发光二极管。 像素部分对跟踪部分中的驱动数据对应的值进行充电。 像素部分检测跟踪部分中的驱动信号。 像素部分在保持部分中向有机发光二极管提供电流。 像素部分在保持部分和跟随部分之间建立复位周期。 模拟数字转换器（ADC，140）通过跟踪部分的恶化电压来检测驱动信号。
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公开(公告)号：KR1020120024267A
公开(公告)日：2012-03-14
申请号：KR1020100087078
申请日：2010-09-06
IPC: G09G3/30
CPC classification number: G09G3/3208 , G09G3/3275 , G09G2320/0233 , G09G2320/029 , G09G2320/043 , G09G2320/048 , G09G2340/16 , G09G2360/16
Abstract: PURPOSE: An organic light emitting diode driver is provided to compensate a pixel in real time by compensating the deterioration of a pixel according to the comparison result of data included in a test signal. CONSTITUTION: A conversion unit(110) selectively converts input data into compensation data to the deterioration of a pixel. A test signal generator(120) supplies a test signal. A driving unit(130) drives a pixel unit having a plurality of pixels according to the compensation data of a conversion unit. A compensation unit(160) supplies deterioration compensation signal to the conversion unit according to the deterioration information detected from the pixels. The compensation selection unit selects the compensation according to the correction of the input data.
Abstract translation: 目的：提供有机发光二极管驱动器，以通过根据包括在测试信号中的数据的比较结果补偿像素的劣化来实时补偿像素。 构成：转换单元（110）将输入数据选择性地转换为补偿数据以使像素的劣化。 测试信号发生器（120）提供测试信号。 驱动单元（130）根据转换单元的补偿数据驱动具有多个像素的像素单元。 补偿单元（160）根据从像素检测到的劣化信息向转换单元提供劣化补偿信号。 补偿选择单元根据输入数据的校正来选择补偿。
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公开(公告)号：KR101101594B1
公开(公告)日：2012-01-02
申请号：KR1020100080663
申请日：2010-08-20
IPC: G09G3/30
CPC classification number: G09G3/3275 , G09G3/3225 , G09G2320/0285 , G09G2320/029 , G09G2320/043 , G09G2320/0693 , G09G2360/16
Abstract: PURPOSE: An organic light emitting diode driving device is provided to compensate the deterioration of a pixel in real time when pixels are driven. CONSTITUTION: A converting unit(110) has a preset gray scale range and sets a representative value of the gray scale range within a gray scale included in input data to selectively compensate for pixel deterioration according to compensation data. A driving unit(120) drives a pixel unit with a plurality of pixels according to the compensation data of the converting unit. A compensating unit(150) provides a deterioration compensation signal for the converting unit according to the difference between the deterioration information detected from the pixel and the representative value from the converting unit.
Abstract translation: 目的：提供一种有机发光二极管驱动装置，用于在驱动像素时实时补偿像素的劣化。 构成：转换单元（110）具有预设的灰度范围，并且在包括在输入数据中的灰度级内设置灰度范围的代表值，以根据补偿数据选择性地补偿像素劣化。 驱动单元（120）根据转换单元的补偿数据驱动具有多个像素的像素单元。 补偿单元（150）根据从像素检测的劣化信息与来自转换单元的代表值之间的差异，为转换单元提供劣化补偿信号。
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