会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • 화소회로, 데이터 구동회로 및 이를 포함한유기발광표시장치
    • 像素电路,数据驱动电路和有机发光显示器
    • KR100813097B1
    • 2008-03-17
    • KR1020060111583
    • 2006-11-13
    • 한국과학기술원
    • 조규형전진용손영석전용준이건호
    • G09G3/30G09G3/32G09G3/20H05B33/08
    • Y02B20/345G09G3/3241G09G2300/0819G09G2300/0828G09G2300/0876G09G2320/0233H03F3/45071
    • A pixel circuit, a data driving circuit and an organic light emitting display device having the data driver are provided to increase an operational margin of the OLED by compensating for a degradation of a stability of a feedback loop due to a parasitic capacitance and a parasitic resistance. A data driver for an OLED(Organic Light Emitting Device) includes a current DAC(610) and first and second amplifiers(620,630). The current DAC(Digital to Analog Converter) outputs a data current according to input data. The first amplifier is electrically connected to a pixel circuit through a data line and controls the data current, so that the data current is equalized with a current pixel current which is fed back from the pixel circuit through a feedback line. The second amplifier is electrically connected to the pixel circuit through the feedback line and maintains a constant voltage on the feedback line. The second amplifier delivers the pixel current to the first amplifier.
    • 提供具有数据驱动器的像素电路,数据驱动电路和有机发光显示装置,以通过补偿由寄生电容和寄生电阻引起的反馈回路的稳定性的劣化来增加OLED的操作裕度 。 用于OLED(有机发光器件)的数据驱动器包括电流DAC(610)和第一和第二放大器(620,630)。 当前DAC(数模转换器)根据输入数据输出数据电流。 第一放大器通过数据线电连接到像素电路并控制数据电流,使得数据电流与通过反馈线从像素电路反馈的当前像素电流相等。 第二放大器通过反馈线电连接到像素电路,并在反馈线上保持恒定的电压。 第二放大器将像素电流传递给第一放大器。
    • 9. 发明授权
    • 차동 증폭기
    • 具有平衡补偿电路的差分放大器
    • KR1019900007277B1
    • 1990-10-06
    • KR1019820005454
    • 1982-12-06
    • 코닌클리케 필립스 엔.브이.
    • 아이세카렐디즈크만스-1
    • H03F1/32
    • H03F3/45071H03F1/48
    • A differential amplifier with single ended drive includes a balancing impedance (20) coupled between the base of the transistor (3) connected to the signal input (1) and the common point (9) of the two emitters of the transistors (3,4) which form a differential pair. The capacitance value of the capacitor (20) is equal to the capacitance value of the stray capacitance (19) of the collector-substrate junction of a transistor (10) which forms a current source. This provides a symmetry of the capacitances between the input (1) and the common point (9) and between the common point (9) and ground via the transistor (10). This results in an improved balance in the output signals at the output terminals (5,6) and a flat frequency response of the differential amplifier for higher frequencies.
    • 具有单端驱动的差分放大器包括耦合在连接到信号输入(1)的晶体管(3)的基极和晶体管(3,4)的两个发射极的公共点(9)之间的平衡阻抗(20) ),其形成差分对。 电容器(20)的电容值等于形成电流源的晶体管(10)的集电极 - 衬底结的杂散电容(19)的电容值。 这提供了通过晶体管(10)在输入(1)和公共点(9)之间以及公共点(9)和接地之间的电容的对称性。 这导致在输出端子(5,6)处的输出信号的平衡得到改善,以及用于较高频率的差分放大器的平坦的频率响应。
    • 10. 发明授权
    • 차동 증폭회로
    • 差分放大器电路
    • KR1019900003484B1
    • 1990-05-19
    • KR1019870011221
    • 1987-10-06
    • 가부시끼가이샤 도시바
    • 미즈이데야스오
    • H03F3/45
    • H03F3/45071H03F2203/45251H03F2203/45258H03F2203/45612
    • The differential amplifier includes a pair of differential input signal terminals, two current output terminals and transistor whose collector is connected to the first current output terminal. A second transistor has its collector connected to the second current output terminal. A third transistor has its collector and base respectively connected to the emitter of the first transistor and the emitter of the second transistor. A fourth transistor has its collector and base respectively connected to the emitter of the second transistor and the emitter of the first transistor. Two resistors are provided and a constant current source circuit connected to the emitters of the thrid and fourth transistors via the two resistors.
    • 差分放大器包括一对差分输入信号端子,两个电流输出端子和集电极连接到第一电流输出端子的晶体管。 第二晶体管的集电极连接到第二电流输出端。 第三晶体管的集电极和基极分别连接到第一晶体管的发射极和第二晶体管的发射极。 第四晶体管的集电极和基极分别连接到第二晶体管的发射极和第一晶体管的发射极。 提供两个电阻器,以及通过两个电阻连接到第三晶体管和第四晶体管的发射极的恒流源电路。