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    • 3. 发明公开
    • 전류원 회로, 그 전류원 회로를 사용한 표시장치 및 그의구동방법
    • 电流源电路,使用该电路的显示装置及其驱动方法
    • KR1020050059096A
    • 2005-06-17
    • KR1020057003217
    • 2003-08-29
    • 가부시키가이샤 한도오따이 에네루기 켄큐쇼
    • 키무라하지메이누카이카즈타카
    • G09G3/30
    • G09G3/325G09G3/2022G09G2300/0814G09G2300/0861G09G2310/0251G09G2310/0262G09G2320/043G09G2330/02
    • In a display device having a light emitting element, an accurate setting operation needs much time, unless a current value of the signal current (video signal) is set to high value. On the contrary, the driving current value for causing a light emitting element to emit light is very small. Therefore, it is difficult to perform an accurate setting operation. However, according to the present invention, the current source circuit includes plural transistors. The plural transistors are connected in parallel when the setting operation is performed on the current source circuit, whereas the plural transistors are connected in series when the light emitting element is caused to emit light. Further, the speed of the setting operation is increased because a light emitting element is capable of emitting light with a constant luminance and a current value to set up a current source circuit is higher than a driving current value when a light emitting element emits light.
    • 在具有发光元件的显示装置中,除非信号电流(视频信号)的当前值被设定为高值,所以准确的设定动作需要很多时间。 相反,用于使发光元件发光的驱动电流值非常小。 因此,难以进行准确的设定动作。 然而,根据本发明,电流源电路包括多个晶体管。 当对电流源电路进行设置操作时,多个晶体管并联连接,而当发光元件发光时,多个晶体管串联连接。 此外,由于发光元件能够以恒定亮度发光,并且当发光元件发光时,电流源电路的设定电流值高于驱动电流值,所以设定操作的速度增加。
    • 4. 发明公开
    • 표시장치
    • 显示设备
    • KR1020020009498A
    • 2002-02-01
    • KR1020010044769
    • 2001-07-25
    • 가부시키가이샤 한도오따이 에네루기 켄큐쇼
    • 야마자키순페이고야마준오사메미츠아키이누카이카즈타카
    • H05B33/04
    • G02F1/13454G02F1/1339G02F1/1345G02F1/13452H01L27/3276H01L51/524H01L51/5246
    • PURPOSE: Display device is provided to reduce the area of portions other than a pixel portion in a display device. CONSTITUTION: On a pixel substrate(701), a pixel portion(711), a gate signal line driving circuit(702), and a source signal line driving circuit(703) are formed. A sealing member(704) is formed surrounding the pixel portion and the driving circuits, so that a covering member(705) is bonded by the sealing member. FPC substrates(706) are connected to the top face of the pixel substrate(701) by external input terminals(707). Wiring lines(708) are a plurality of wiring lines such as signal lines and power supply lines, which receive signals from the FPC substrates(706) through the external input terminals(707) to transmit the signals to the gate signal line driving circuit(702). Wiring lines(709) are a plurality of wiring lines such as signal lines and power supply lines, which receive signals from the FPC substrates(706) through the external input terminals(707) to transmit the signals to the source signal line driving circuit(703). Wiring lines(710) are a plurality of wiring lines such as power supply lines, which receive signals from the FPC substrates(706) through the external input terminals(707) to transmit the signals to the pixel portion(711). The wiring lines(708-710) are formed in the sealed region.
    • 目的:提供显示装置以减少显示装置中的像素部分以外的部分的面积。 构成:在像素基板(701)上形成像素部(711),栅极信号线驱动电路(702)和源极信号线驱动电路(703)。 形成围绕像素部分和驱动电路的密封构件(704),使得覆盖构件(705)通过密封构件接合。 FPC基板(706)通过外部输入端子(707)连接到像素基板(701)的顶面。 接线(708)是信号线和电源线等多条布线,其通过外部输入端子(707)从FPC基板(706)接收信号,将信号传输到栅极信号线驱动电路 702)。 接线(709)是信号线和电源线等多条布线,通过外部输入端子(707)从FPC基板(706)接收信号,将信号发送到源极信号线驱动电路 703)。 接线(710)是多个布线,例如电源线,其通过外部输入端子(707)接收来自FPC基板(706)的信号,以将信号传输到像素部分(711)。 布线(708-710)形成在密封区域中。