KR20030019194A - 발광장치, 발광장치의 구동방법, 소자 기판 및 전자장치 - Google Patents
발광장치, 발광장치의 구동방법, 소자 기판 및 전자장치 Download PDFInfo
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- KR20030019194A KR20030019194A KR1020020051389A KR20020051389A KR20030019194A KR 20030019194 A KR20030019194 A KR 20030019194A KR 1020020051389 A KR1020020051389 A KR 1020020051389A KR 20020051389 A KR20020051389 A KR 20020051389A KR 20030019194 A KR20030019194 A KR 20030019194A
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Abstract
Description
Claims (62)
- 발광소자가 각각 구비된 복수의 화소를 갖는 발광장치에 있어서,상기 각각의 화소는, 공급된 전류를 전압으로 변환하고, 변환된 전압에 따른 크기의 제 1 전류를 발광소자에 공급하는 수단과, 변환된 전압에 따른 크기의 제 2 전류를 발광소자에 공급하는 수단을 갖는 것을 특징으로 하는 발광장치.
- 발광소자가 각각 구비된 복수의 화소와, 비디오 신호에 의해 정해진 크기의 전류를 화소들에 공급하는 수단을 갖는 발광장치에 있어서,상기 각각의 화소는, 공급된 전류를 전압으로 변환하고, 변환된 전압에 따른 크기의 제 1 전류를 발광소자에 공급하는 수단과, 변환된 전압에 따른 크기의 제 2 전류를 발광소자에 공급하는 수단을 갖는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터의 소스와 제 2 트랜지스터의 소스는 모두 전원선에 접속되고,제 1 트랜지스터와 제 2 트랜지스터는, 게이트가 서로 접속되며,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 드레인에 접속되고,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인 또는 신호선에, 또 한쪽이 제 1 및 제 2 트랜지스터의 게이트에 접속되며,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인에, 또 한쪽이 제 2 트랜지스터의 드레인에 접속되고,제 2 트랜지스터의 드레인은, 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 3항에 있어서,제 3 트랜지스터는 제 5 트랜지스터의 게이트에 접속된 것을 특징으로 하는 발광장치.
- 제 3항에 있어서,제 3 트랜지스터와 제 5 트랜지스터는 서로 다른 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 3항에 있어서,제 3 트랜지스터, 제 4 트랜지스터 및 제 5 트랜지스터는 게이트가 서로 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 3항에 있어서,제 3 트랜지스터와 제 4 트랜지스터는 동일한 극성을 갖고, 제 3 트랜지스터와 제 4 트랜지스터는 제 5 트랜지스터와 다른 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 제 6 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되고,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 및 제 2 트랜지스터의 소스에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 및 제 2 트랜지스터의 게이트에, 또 한쪽이 전원선에 접속되고,제 6 트랜지스터의 소스와 드레인은, 한쪽이 전원선에, 또 한쪽이 제 2 트랜지스터의 드레인에 접속되며,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 1 및 제 2 트랜지스터의 소스에, 또 한쪽이 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 제 6 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되고,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 소스에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 및 제 2 트랜지스터의 게이트에, 또 한쪽이 전원선에 접속되고,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 소스에, 또 한쪽이 발광소자의 화소전극에 접속되며,제 6 트랜지스터의 소스와 드레인은, 한쪽이 제 2 트랜지스터의 소스에, 또 한쪽이 발광소자의 화소전극에 접속되고,제 5 트랜지스터의 게이트와 제 6 트랜지스터의 게이트가 서로 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 8항에 있어서,제 5 트랜지스터와 제 6 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 9항에 있어서,제 5 트랜지스터와 제 6 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 제 6 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터의 소스와 제 2 트랜지스터의 소스는 모두 전원선에 접속되고,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되며,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 드레인에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인 또는 신호선에, 또 한쪽이 제 1 및 제 2 트랜지스터의 게이트에 접속되고,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 6 트랜지스터의 드레인에, 또 한쪽이 제 2 트랜지스터의 드레인에 접속되며,제 6 트랜지스터의 게이트는 제 1 및 제 2 트랜지스터의 게이트에 접속되고,제 6 트랜지스터의 소스는 제 1 트랜지스터의 드레인에 접속되며,제 2 트랜지스터의 드레인은 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 제 6 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터의 소스와 제 2 트랜지스터의 소스는 모두 전원선에 접속되고,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되며,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 드레인에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인 또는신호선에, 또 한쪽이 제 1 및 제 2 트랜지스터의 게이트에 접속되고,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인에, 또 한쪽이 제 6 트랜지스터의 소스에 접속되며,제 6 트랜지스터의 게이트는 제 1 및 제 2 트랜지스터의 게이트에 접속되고,제 6 트랜지스터의 드레인은 제 2 트랜지스터의 드레인에 접속되며,제 2 트랜지스터의 드레인은 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되고,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 드레인에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인 또는 신호선에, 또 한쪽이 제 1 및 제 2 트랜지스터의 게이트에 접속되며,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 2 트랜지스터의 드레인에, 또 한쪽이 제 1 트랜지스터의 드레인에 접속되고,제 1 및 제 2 트랜지스터의 소스는 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 제 6 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되고,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 드레인에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인 또는 신호선에, 또 한쪽이 제 1 및 제 2 트랜지스터의 게이트에 접속되고,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 2 트랜지스터의 드레인에, 또 한쪽이 제 6 트랜지스터의 드레인에 접속되며,제 6 트랜지스터의 소스는 제 1 트랜지스터의 드레인에 접속되고,제 1 및 제 2 트랜지스터의 소스는 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 1 트랜지스터와, 제 2 트랜지스터와, 제 3 트랜지스터와, 제 4 트랜지스터와, 제 5 트랜지스터와, 발광소자와, 전원선과, 신호선을 갖는 발광장치에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 게이트가 서로 접속되고,제 3 트랜지스터의 소스와 드레인은, 한쪽이 신호선에, 또 한쪽이 제 1 트랜지스터의 소스에 접속되며,제 4 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 드레인에, 또 한쪽이 제 1 및 제 2 트랜지스터의 게이트에 접속되고,제 5 트랜지스터의 소스와 드레인은, 한쪽이 제 1 트랜지스터의 소스에, 또 한쪽이 제 2 트랜지스터의 소스에 접속되며,제 1 및 제 2 트랜지스터의 드레인은 전원선에 접속되고,제 2 트랜지스터의 소스는 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 16항에 있어서,제 6 트랜지스터를 더 구비하고, 제 6 트랜지스터의 소스와 드레인은, 한쪽이 제 2트랜지스터의 소스에, 또 한쪽이 제 1 트랜지스터의 소스에 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 16항에 있어서,제 6 트랜지스터를 더 구비하고, 제 6 트랜지스터의 소스와 드레인은, 한쪽이 제 2트랜지스터의 소스에, 또 한쪽이 제 1 트랜지스터의 소스에 접속되며,제 5 트랜지스터의 게이트와 제 6 트랜지스터의 게이트는 서로 접속되어 있는 것을 특징으로 하는 발광장치.
- 제 3항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 4항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 6항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 8항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 9항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 12항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 13항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 14항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 15항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 제 16항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치.
- 발광소자가 각각 구비된 복수의 화소를 갖는 발광장치에 있어서,상기 각각의 화소는 공급된 전류를 전압으로 변환하는 제 1 및 제 2 수단을 갖고,제 2 수단은, 변환된 전압에 따른 크기의 전류를 발광소자에 공급하는 것을특징으로 하는 발광장치.
- 발광소자가 각각 구비된 복수의 화소와, 비디오 신호에 의해 정해진 크기의 전류를 화소들에 공급하는 전류공급수단을 갖는 발광장치에 있어서,상기 각각의 화소는 공급된 전류를 전압으로 변환하는 제 1 및 제 2 수단을 갖고,제 2 수단은, 변환된 전압에 따른 크기의 전류를 발광소자에 공급하는 것을 특징으로 하는 발광장치.
- 청구항 1에 기재된 발광장치를 구비한 전자장치.
- 청구항 2에 기재된 발광장치를 구비한 전자장치.
- 청구항 3에 기재된 발광장치를 구비한 전자장치.
- 청구항 4에 기재된 발광장치를 구비한 전자장치.
- 청구항 6에 기재된 발광장치를 구비한 전자장치.
- 청구항 8에 기재된 발광장치를 구비한 전자장치.
- 청구항 9에 기재된 발광장치를 구비한 전자장치.
- 청구항 12에 기재된 발광장치를 구비한 전자장치.
- 청구항 13에 기재된 발광장치를 구비한 전자장치.
- 청구항 14에 기재된 발광장치를 구비한 전자장치.
- 청구항 15에 기재된 발광장치를 구비한 전자장치.
- 청구항 16에 기재된 발광장치를 구비한 전자장치.
- 발광소자가 각각 구비된 복수의 화소를 갖는 발광장치의 구동방법에 있어서,제 1 기간에 있어서, 비디오 신호에 의해 정해진 전류가 화소에 공급되고, 복수의 화소 각각의 제 1 수단이 공급된 전류를 전압으로 변환하며,제 2 기간에 있어서, 복수의 화소 각각의 제 1 수단이 변환된 전압에 따른 크기의 제 1 전류를 발광소자에 공급하고, 복수의 화소 각각의 제 2 수단이 변환된 전압에 따른 크기의 제 2 전류를 발광소자에 공급하는 것을 특징으로 하는 발광장치의 구동방법.
- 발광소자가 각각 구비된 복수의 화소를 갖는 발광장치의 구동방법에 있어서,제 1 기간에 있어서, 비디오 신호에 의해 정해진 전류가 화소에 공급되고, 복수의 화소 각각의 제 1 수단이 공급된 전류를 전압으로 변환하여, 변환된 전압에 따른 크기의 제 1 전류를 발광소자에 공급하며,제 2 기간에 있어서, 복수의 화소 각각의 제 1 수단이 변환된 전압에 따른 크기의 제 3 전류를 발광소자에 공급하고, 복수의 화소 각각의 제 2 수단이 변환된 전압에 따른 크기의 제 2 전류를 발광소자에 공급하는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 및 제 2 트랜지스터의 소스에 일정한 전압이 인가되며,제 1 기간에 있어서, 제 1 트랜지스터의 게이트는 제 1 트랜지스터의 드레인과 접속되고, 제 2 트랜지스터의 드레인이 발광소자의 화소전극에 접속되며,제 2 기간에 있어서, 제 1 및 제 2 트랜지스터의 드레인이 발광소자의 화소전극에 접속되고, 제 1 트랜지스터의 게이트가 제 1 트랜지스터의 드레인으로부터 분리되어 있는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 트랜지스터의 소스와 제 2 트랜지스터의 소스가 서로 접속되며, 제 1 트랜지스터의 드레인에 일정한 전압이 인가되고,제 1 기간에 있어서, 제 2 트랜지스터의 드레인이 플로팅 상태로 설정되고, 제 1 트랜지스터의 게이트가 제 1 트랜지스터의 드레인에 접속되며,제 2 기간에 있어서, 제 2 트랜지스터의 드레인이 일정한 전압이 인가되고, 제 1 트랜지스터의 게이트가 제 1 트랜지스터의 드레인으로부터 분리되며, 제 1 및 제 2 트랜지스터의 소스가 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 트랜지스터의 드레인과 제 2 트랜지스터의 드레인이 서로 접속되며, 제 1 및 제 2 트랜지스터의 드레인에 일정한 전압이 인가되고,제 1 기간에 있어서, 제 1 및 제 2 트랜지스터의 게이트가 제 1 및 제 2 트랜지스터의 드레인에 접속되며,제 2 기간에 있어서, 제 1 및 제 2 트랜지스터의 소스가 발광소자의 화소전극에 접속되어 있는 것을 특징으로 하는 발광장치의 구동방법.
- 제 45항에 있어서,제 1 기간에 있어서 제 1 트랜지스터의 드레인 전류의 크기를 제어하여, 제 2 기간에 있어서 발광소자의 휘도를 제어하는 것을 특징으로 하는 발광장치의 구동방법.
- 제 46항에 있어서,제 1 기간에 있어서 제 1 트랜지스터의 드레인 전류의 크기를 제어하여, 제 2 기간에 있어서 발광소자의 휘도를 제어하는 것을 특징으로 하는 발광장치의 구동방법.
- 제 47항에 있어서,제 1 기간에 있어서 제 1 트랜지스터의 드레인 전류의 크기를 제어하여, 제 2 기간에 있어서 발광소자의 휘도를 제어하는 것을 특징으로 하는 발광장치의 구동방법.
- 제 45항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치의 구동방법.
- 제 46항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치의 구동방법.
- 제 47항에 있어서,제 1 트랜지스터와 제 2 트랜지스터는 동일한 극성을 갖는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 트랜지스터의 소스와 제 2 트랜지스터의 소스가 서로 접속되며,제 1 기간에 있어서, 제 1 트랜지스터의 게이트 및 드레인에 일정한 전압이 인가되고, 제 2 트랜지스터의 드레인은 플로팅 상태로 설정되며, 제 1 트랜지스터의 드레인 전류는 정전류원에 의해 제어되고,제 2 기간에 있어서, 제 1 트랜지스터의 게이트는 제 1 트랜지스터의 드레인으로부터 분리되고, 제 1 및 제 2 트랜지스터의 드레인에 일정한 전압이 인가되며, 제 1 트랜지스터의 드레인 전류와 제 2 트랜지스터의 드레인 전류는 모두 발광소자로 흐르는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 트랜지스터의 드레인과 제 2 트랜지스터의 드레인이 서로 접속되며,제 1 기간에 있어서, 제 1 트랜지스터 및 제 2 트랜지스터의 게이트와 제 1 및 제 2 트랜지스터의 드레인에 일정한 전압이 인가되고, 제 1 트랜지스터의 드레인 전류는 정전류원에 의해 제어되며,제 2 기간에 있어서, 제 1 트랜지스터의 게이트는 제 1 트랜지스터의 드레인으로부터 분리되고, 제 2 트랜지스터의 게이트는 제 2 트랜지스터의 드레인으로부터 분리되며, 제 1 및 제 2 트랜지스터의 드레인에 일정한 전압이 인가되고, 제 1 트랜지스터의 드레인 전류와 제 2 트랜지스터의 드레인 전류는 모두 발광소자로 흐르는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 트랜지스터 및 제 2 트랜지스터의 소스에 일정한 전압이 인가되며,제 1 기간에 있어서, 제 1 트랜지스터의 게이트가 제 1 트랜지스터의 드레인에 접속되고, 제 2 트랜지스터의 드레인이 발광소자의 화소전극에 접속되며, 제 1 트랜지스터의 드레인 전류가 정전류원에 의해 제어되고,제 2 기간에 있어서, 제 1 및 제 2 트랜지스터의 게이트는 발광소자의 제 3 트랜지스터의 게이트에 접속되고, 제 1 및 제 3 트랜지스터는 동일한 크기의 드레인 전류를 가지며, 제 2 트랜지스터의 드레인 전류와 제 3 트랜지스터의 드레인 전류는 모두 발광소자로 흐르는 것을 특징으로 하는 발광장치의 구동방법.
- 제 1 기간 및 제 2 기간을 지닌 1 프레임 기간을 갖는 발광장치의 구동방법에 있어서,제 1 및 제 2 기간에 있어서, 발광장치의 제 1 트랜지스터 및 제 2 트랜지스터의 게이트가 서로 접속되고, 제 1 트랜지스터의 소스 및 제 2 트랜지스터의 소스는 모두 발광소자의 화소전극에 접속되며,제 1 기간에 있어서, 제 1 트랜지스터의 게이트가 제 1 트랜지스터의 드레인에 접속되고, 제 2 트랜지스터의 드레인에 일정한 전압이 인가되며, 제 1 트랜지스터의 드레인 전류가 정전류원에 의해 제어되고,제 2 기간에 있어서, 제 1 및 제 2 트랜지스터의 게이트는 발광장치의 제 3 트랜지스터의 게이트에 접속되고, 제 1 트랜지스터의 드레인은 제 3 트랜지스터의 소스에 접속되며, 제 3 트랜지스터의 드레인과 제 2 트랜지스터의 드레인에는 일정한 전압이 인가되고, 제 2 트랜지스터의 드레인 전류와 제 3 트랜지스터의 드레인 전류는 모두 발광소자로 흐르는 것을 특징으로 하는 발광장치의 구동방법.
- 발광소자가 각각 구비된 복수의 화소를 갖는 발광장치의 구동방법에 있어서,제 1 기간에 있어서, 비디오 신호에 의해 정해진 전류가 복수의 화소로 공급되고, 복수의 화소 각각의 제 1 및 제 2 수단은 공급된 전류를 전압으로 변환하며,제 2 기간에 있어서, 복수의 화소 각각의 제 2 수단은 변환된 전압에 따른 크기의 전류를 발광소자에 공급하는 것을 특징으로 하는 발광장치의 구동방법.
- 복수의 화소를 갖는 소자 기판에 있어서,복수의 화소 각각은, 공급된 전류를 전압으로 변환하고 변환된 전압에 따른 크기의 제 1 전류를 발광소자에 공급하는 수단과, 변환된 전압에 따른 크기의 제 2 전류를 발광소자에 공급하는 수단을 갖는 것을 특징으로 하는 소자 기판.
- 복수의 화소와, 비디오 신호에 의해 정해진 크기의 전류를 화소들에 공급하는 수단을 갖는 소자 기판에 있어서,복수의 화소 각각은, 공급된 전류를 전압으로 변환하고 변환된 전압에 따른 크기의 제 1 전류를 발광소자에 공급하는 수단과, 변환된 전압에 따른 크기의 제 2 전류를 발광소자에 공급하는 수단을 갖는 것을 특징으로 하는 소자 기판.
- 복수의 화소를 갖는 소자 기판에 있어서,복수의 화소 각각은 공급된 전류를 전압으로 변환하는 제 1 및 제 2 수단을 갖고,제 2 수단은 변환된 전압에 따른 크기의 전류를 발광소자에 공급하는 것을 특징으로 하는 소자 기판.
- 복수의 화소와, 비디오 신호에 의해 정해진 크기의 전류를 화소들에 공급하는 수단을 갖는 소자 기판에 있어서,복수의 화소 각각은 공급된 전류를 전압으로 변환하는 제 1 및 제 2 수단을 갖고,제 2 수단은 변환된 전압에 따른 크기의 전류를 발광소자에 공급하는 것을 특징으로 하는 소자 기판.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100705852B1 (ko) * | 2004-04-27 | 2007-04-09 | 로무 가부시키가이샤 | 유기 el 구동 회로의 기준 전류 발생 회로, 유기 el구동 회로 및 유기 el 표시 장치 |
KR100741536B1 (ko) * | 2004-11-02 | 2007-07-20 | 미쓰비시덴키 가부시키가이샤 | 표시장치 및 그 제조방법 |
KR101137849B1 (ko) * | 2005-06-28 | 2012-04-20 | 엘지디스플레이 주식회사 | 발광 표시장치 |
KR101298302B1 (ko) * | 2006-09-07 | 2013-08-26 | 더 리젠츠 오브 더 유니버시티 오브 미시간 | 유기 발광다이오드 표시장치와 그의 구동방법 |
KR101458911B1 (ko) * | 2008-05-07 | 2014-11-12 | 삼성디스플레이 주식회사 | 표시 장치 |
CN112071882A (zh) * | 2020-09-16 | 2020-12-11 | 合肥京东方卓印科技有限公司 | 显示基板及其制备方法、显示装置 |
CN112071882B (zh) * | 2020-09-16 | 2023-07-28 | 合肥京东方卓印科技有限公司 | 显示基板及其制备方法、显示装置 |
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US8704736B2 (en) | 2014-04-22 |
KR100910166B1 (ko) | 2009-07-30 |
CN100371962C (zh) | 2008-02-27 |
JP2009169442A (ja) | 2009-07-30 |
US20060256046A1 (en) | 2006-11-16 |
US20090021539A1 (en) | 2009-01-22 |
US20140015738A1 (en) | 2014-01-16 |
US7411586B2 (en) | 2008-08-12 |
JP2012155327A (ja) | 2012-08-16 |
CN101257743B (zh) | 2011-05-25 |
JP5030993B2 (ja) | 2012-09-19 |
US20030062524A1 (en) | 2003-04-03 |
CN101257743A (zh) | 2008-09-03 |
US20140225884A1 (en) | 2014-08-14 |
JP5448277B2 (ja) | 2014-03-19 |
US8482491B2 (en) | 2013-07-09 |
CN1407629A (zh) | 2003-04-02 |
US7046240B2 (en) | 2006-05-16 |
TW546600B (en) | 2003-08-11 |
US8982021B2 (en) | 2015-03-17 |
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