JP2006184873A5 - - Google Patents

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JP2006184873A5
JP2006184873A5 JP2005332454A JP2005332454A JP2006184873A5 JP 2006184873 A5 JP2006184873 A5 JP 2006184873A5 JP 2005332454 A JP2005332454 A JP 2005332454A JP 2005332454 A JP2005332454 A JP 2005332454A JP 2006184873 A5 JP2006184873 A5 JP 2006184873A5
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electrode
monitor element
thin film
film transistor
light
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JP2005332454A
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JP5025123B2 (en
JP2006184873A (en
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発光素子及び当該発光素子を駆動する第１の薄膜トランジスタを有する画素がマトリクス状に複数設けられた画素部と、
第１の電極、前記第１の電極上に形成された電界発光層、及び前記電界発光層上に形成された第２の電極を有するモニター素子と、
前記モニター素子を駆動する第２の薄膜トランジスタと、
前記モニター素子に一定電流を流す定電流源と、
アンプと、を有し、
前記定電流源は、前記第２の薄膜トランジスタのソース及びドレインの一方、並びに前記アンプの入力に電気的に接続され、
前記第２の薄膜トランジスタのソース及びドレインの他方は、前記モニター素子の一方の電極に電気的に接続され、
前記アンプの出力に、前記第１の薄膜トランジスタを介して前記発光素子の一方の電極が電気的に接続され、
前記モニター素子と、前記第２の薄膜トランジスタとは互いに重ならないように設けられ、
前記モニター素子の第１の電極と重なるように第１の遮光膜が設けられ、
前記モニター素子の第１の電極の端部に重なるように第２の遮光膜が設けられていることを特徴とする表示装置。 A pixel portion in which a plurality of pixels each having a light emitting element and a first thin film transistor for driving the light emitting element are provided in a matrix;
A monitor element having a first electrode, an electroluminescent layer formed on the first electrode, and a second electrode formed on the electroluminescent layer;
A second thin film transistor for driving the monitor element;
A constant current source for supplying a constant current to the monitor element;
An amplifier, and
The constant current source is electrically connected to one of a source and a drain of the second thin film transistor and an input of the amplifier,
The other of the source and the drain of the second thin film transistor is electrically connected to one electrode of the monitor element,
One electrode of the light emitting element is electrically connected to the output of the amplifier via the first thin film transistor,
The monitor element and the second thin film transistor are provided so as not to overlap each other.
A first light-shielding film is provided so as to overlap the first electrode of the monitor element;
Viewing device characterized in that the second light-shielding film is provided so as to overlap the end portion of the first electrode of the monitoring element. 発光素子及び当該発光素子を駆動する第１の薄膜トランジスタを有する画素がマトリクス状に複数設けられた画素部と、
第１の電極、前記第１の電極上に形成された電界発光層、及び前記電界発光層上に形成された第２の電極を有するモニター素子と、前記モニター素子を駆動する第２の薄膜トランジスタとを含むモニター素子部と、
前記モニター素子に一定電流を流す定電流源と、
アンプと、を有し、
前記定電流源は、前記第２の薄膜トランジスタのソース及びドレインの一方、並びに前記アンプの入力に電気的に接続され、
前記第２の薄膜トランジスタのソース及びドレインの他方は、前記モニター素子の一方の電極に電気的に接続され、
前記アンプの出力に、前記第１の薄膜トランジスタを介して前記発光素子の一方の電極が電気的に接続され、
前記モニター素子部には、
ゲート信号線と同じ材料で形成された第１の遮光膜と、
前記第１の遮光膜上に形成された層間絶縁膜と、
ソース信号線と同じ材料で形成され、前記層間絶縁膜上に形成された第２の遮光膜と、
前記層間絶縁膜及び前記第２の遮光膜上に形成された前記モニター素子とが設けられ、
前記モニター素子と、前記第２の薄膜トランジスタとは前記ゲート信号線を介して互いに異なる領域に設けられ、
前記層間絶縁膜を介して前記モニター素子の第１の電極と重なるように第１の遮光膜が設けられ、
前記モニター素子の第１の電極の端部に重なるように第２の遮光膜が設けられていることを特徴とする表示装置。 A pixel portion in which a plurality of pixels each having a light emitting element and a first thin film transistor for driving the light emitting element are provided in a matrix;
A monitor element having a first electrode, an electroluminescent layer formed on the first electrode, and a second electrode formed on the electroluminescent layer; a second thin film transistor for driving the monitor element; Including a monitor element unit,
A constant current source for supplying a constant current to the monitor element;
An amplifier, and
The constant current source is electrically connected to one of a source and a drain of the second thin film transistor and an input of the amplifier,
The other of the source and the drain of the second thin film transistor is electrically connected to one electrode of the monitor element,
One electrode of the light emitting element is electrically connected to the output of the amplifier via the first thin film transistor,
In the monitor element section,
A first light-shielding film formed of the same material as the gate signal line;
An interlayer insulating film formed on the first light shielding film;
A second light-shielding film formed of the same material as the source signal line and formed on the interlayer insulating film;
And the monitor element formed on the interlayer insulating film and the second light shielding film,
The monitor element and the second thin film transistor are provided in different regions through the gate signal line,
A first light-shielding film is provided so as to overlap the first electrode of the monitor element via the interlayer insulating film;
Viewing device characterized in that the second light-shielding film is provided so as to overlap the end portion of the first electrode of the monitoring element. 発光素子及び当該発光素子を駆動する第１の薄膜トランジスタを有する画素がマトリクス状に複数設けられた画素部と、A pixel portion in which a plurality of pixels each having a light emitting element and a first thin film transistor for driving the light emitting element are provided in a matrix;
第１の電極、前記第１の電極上に形成された電界発光層、及び前記電界発光層上に形成された第２の電極を有するモニター素子と、前記モニター素子を駆動する第２の薄膜トランジスタとを含むモニター素子部と、A monitor element having a first electrode, an electroluminescent layer formed on the first electrode, and a second electrode formed on the electroluminescent layer; a second thin film transistor for driving the monitor element; Including a monitor element unit,
前記モニター素子に一定電流を流す定電流源と、A constant current source for supplying a constant current to the monitor element;
アンプと、を有し、An amplifier, and
前記定電流源は、前記第２の薄膜トランジスタのソース及びドレインの一方、並びに前記アンプの入力に電気的に接続され、The constant current source is electrically connected to one of a source and a drain of the second thin film transistor and an input of the amplifier,
前記第２の薄膜トランジスタのソース及びドレインの他方は、前記モニター素子の一方の電極に電気的に接続され、The other of the source and the drain of the second thin film transistor is electrically connected to one electrode of the monitor element,
前記アンプの出力に、前記第１の薄膜トランジスタを介して前記発光素子の一方の電極が電気的に接続され、One electrode of the light emitting element is electrically connected to the output of the amplifier via the first thin film transistor,
前記モニター素子部には、In the monitor element section,
ゲート信号線と同じ材料で形成された第１の遮光膜と、A first light-shielding film formed of the same material as the gate signal line;
前記第１の遮光膜上に形成された第１の層間絶縁膜と、A first interlayer insulating film formed on the first light shielding film;
ソース信号線と同じ材料で形成され、前記第１の層間絶縁膜上に形成された第２の遮光膜と、A second light-shielding film formed of the same material as the source signal line and formed on the first interlayer insulating film;
前記第１の層間絶縁膜及び前記第２の遮光膜上に形成された第２の層間絶縁膜と、A second interlayer insulating film formed on the first interlayer insulating film and the second light shielding film;
前記第２の層間絶縁膜上に形成された前記モニター素子とが設けられ、And the monitoring element formed on the second interlayer insulating film,
前記モニター素子と、前記第２の薄膜トランジスタとは前記ゲート信号線を介して互いに異なる領域に設けられ、The monitor element and the second thin film transistor are provided in different regions through the gate signal line,
前記第１の層間絶縁膜及び前記第２の層間絶縁膜を介して前記モニター素子の第１の電極と重なるように第１の遮光膜が設けられ、A first light-shielding film is provided so as to overlap the first electrode of the monitor element via the first interlayer insulating film and the second interlayer insulating film;
前記第２の層間絶縁膜を介して前記モニター素子の第１の電極の端部に重なるように第２の遮光膜が設けられていることを特徴とする表示装置。A display device, wherein a second light-shielding film is provided so as to overlap with an end portion of the first electrode of the monitor element through the second interlayer insulating film. 請求項１乃至３のいずれか一において、前記第２の遮光膜は環状であることを特徴とする表示装置。 In any one of claims 1 to 3, the display device you and said second light-shielding film is annular. 請求項１乃至４のいずれか一において、前記表示装置は、下面射出型または両面射出型であることを特徴とする表示装置。 In any one of claims 1 to 4, wherein the display device, the display device you being a bottom emission type or dual emission type. 請求項１乃至５のいずれか一において、前記アンプはボルテージフォロワであることを特徴とする表示装置。 In any one of claims 1 to 5, the display device you wherein the amplifier is a voltage follower. 請求項１乃至６のいずれか一において、前記画素部は赤を発光する複数の画素、緑を発光する複数の画素、及び青を発光する複数の画素を有し、前記モニター素子及び前記モニター素子を駆動する薄膜トランジスタは、各発光色毎にそれぞれ設けられていることを特徴とする表示装置。 7. The monitor element and the monitor element according to claim 1, wherein the pixel portion includes a plurality of pixels that emit red, a plurality of pixels that emit green, and a plurality of pixels that emit blue. driving a thin film transistor, the display device you characterized in that provided respectively for each emission color. 請求項１乃至７のいずれか一において、前記モニター素子及び前記発光素子はＥＬ素子であることを特徴とする表示装置。 In any one of claims 1 to 7, the display device you wherein monitoring element and the light emitting element is an EL element. 請求項１乃至８のいずれか一に記載の表示装置が組み込まれた電子機器。 An electronic device in which the display device according to any one of claims 1 to 8 is incorporated. 請求項９において、前記電子機器は、テレビジョン装置、カメラ、ゴーグル型ディスプレイ、ナビゲーションシステム、音響再生装置、コンピュータ、ゲーム機器、携帯情報端末、モバイルコンピュータ、携帯電話機、携帯型のゲーム機、電子書籍、または記録媒体を備えた画像再生装置であることを特徴とする電子機器。10. The electronic device according to claim 9, wherein the electronic device is a television device, a camera, a goggle type display, a navigation system, a sound reproduction device, a computer, a game device, a portable information terminal, a mobile computer, a mobile phone, a portable game machine, or an electronic book. An electronic apparatus characterized by being an image reproducing device provided with a recording medium.
JP2005332454A 2004-12-03 2005-11-17 Display device and electronic device Expired - Fee Related JP5025123B2 (en)

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JP2004351926 2004-12-03
JP2004351926 2004-12-03
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JP2006184873A5 true JP2006184873A5 (en) 2008-10-02
JP5025123B2 JP5025123B2 (en) 2012-09-12

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KR101391244B1 (en) * 2010-12-20 2014-05-02 삼성디스플레이 주식회사 Organic light emitting diode display
JP6563194B2 (en) * 2012-11-05 2019-08-21 ソニーセミコンダクタソリューションズ株式会社 Optical device manufacturing method
KR102070951B1 (en) * 2013-05-23 2020-01-30 삼성디스플레이 주식회사 Organic light emitting display device and method of fabricating the same
KR102538503B1 (en) * 2016-05-02 2023-05-30 엘지디스플레이 주식회사 Flexible organic light emitting diode display device

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JPH05190285A (en) * 1992-01-10 1993-07-30 Fuji Electric Co Ltd Electroluminescence display panel
JP3392672B2 (en) * 1996-11-29 2003-03-31 三洋電機株式会社 Display device
JP2001223074A (en) * 2000-02-07 2001-08-17 Futaba Corp Organic electroluminescent element and driving method of the same
JP3696116B2 (en) * 2000-04-18 2005-09-14 株式会社半導体エネルギー研究所 Light emitting device
JP2002083689A (en) * 2000-06-29 2002-03-22 Semiconductor Energy Lab Co Ltd Luminescence device
JP2003043998A (en) * 2001-07-30 2003-02-14 Pioneer Electronic Corp Display device
JP4651922B2 (en) * 2002-08-09 2011-03-16 株式会社半導体エネルギー研究所 EL display device
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