JP2002278478A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2002278478A5 JP2002278478A5 JP2001382530A JP2001382530A JP2002278478A5 JP 2002278478 A5 JP2002278478 A5 JP 2002278478A5 JP 2001382530 A JP2001382530 A JP 2001382530A JP 2001382530 A JP2001382530 A JP 2001382530A JP 2002278478 A5 JP2002278478 A5 JP 2002278478A5
- Authority
- JP
- Japan
- Prior art keywords
- tft
- light emitting
- pixels
- signal line
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Claims (16)
前記複数の画素はそれぞれ複数の副画素を有しており、
前記複数の副画素は発光素子をそれぞれ有しており、
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。A light emitting device having a plurality of pixels,
Each of the plurality of pixels has a plurality of sub-pixels;
The plurality of subpixels each have a light emitting element,
The plurality of sub-pixels have the same effective light emitting area.
前記複数の画素はそれぞれ複数の副画素を有しており、
前記複数の副画素は発光素子及びＴＦＴをそれぞれ有しており、
前記発光素子に流れる電流は、前記ＴＦＴによって制御されており、
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。A light emitting device having a plurality of pixels,
Each of the plurality of pixels has a plurality of sub-pixels;
The plurality of subpixels each have a light emitting element and a TFT,
The current flowing through the light emitting element is controlled by the TFT,
The plurality of subpixels have the same effective light emitting area.
前記複数の画素はそれぞれ複数の副画素を有しており、 Each of the plurality of pixels has a plurality of sub-pixels;
前記複数の副画素は発光素子、第１のＴＦＴ、第２のＴＦＴ及び第３のＴＦＴをそれぞれ有しており、 The plurality of sub-pixels each have a light emitting element, a first TFT, a second TFT, and a third TFT,
前記発光素子に流れる電流は、前記第２のＴＦＴによって制御されており、The current flowing through the light emitting element is controlled by the second TFT,
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。The plurality of sub-pixels have the same effective light emitting area.
前記複数の副画素のそれぞれにおいて前記発光素子が発光状態である期間の長さが、デジタルビデオ信号によって制御されることで、前記複数の画素のそれぞれにおいて表示される階調が制御されていることを特徴とする発光装置の駆動方法。The gray level displayed in each of the plurality of pixels is controlled by controlling the length of the period in which the light emitting element is in a light emitting state in each of the plurality of subpixels by a digital video signal. A method for driving a light emitting device.
前記複数の副画素において、１フレーム期間中に複数のサブフレーム期間が出現し、In the plurality of subpixels, a plurality of subframe periods appear in one frame period,
前記複数のサブフレーム期間のそれぞれにおいて、デジタルビデオ信号の各ビットによって、前記複数の副画素の前記発光素子が発光状態になるか非発光状態になるかが選択され、In each of the plurality of subframe periods, each bit of the digital video signal selects whether the light emitting elements of the plurality of subpixels are in a light emitting state or a non-light emitting state,
前記複数の副画素のそれぞれにおいて前記発光素子が発光状態にあるサブフレーム期間の長さの総和が長くなればなるほど、前記複数の画素のそれぞれにおいて表示される階調数が高くなることを特徴とする発光装置の駆動方法。The number of gradations displayed in each of the plurality of pixels is increased as the total length of subframe periods in which the light emitting elements are in a light emitting state in each of the plurality of subpixels is increased. Driving method of the light emitting device.
前記複数の副画素の全てにおいて、同じ期間に前記第１のＴＦＴがオンになり、
前記第１のＴＦＴがオンのときにデジタルビデオ信号の電位が前記第２のＴＦＴのゲート電極に与えられ、
前記デジタルビデオ信号の電位によって前記第２のＴＦＴのスイッチングが制御されることで、前記発光素子が発光状態になるか非発光状態になるかが選択され、
前記第３のＴＦＴがオンのときに前記発光素子は非発光状態になり、
前記複数の副画素のそれぞれにおいて前記発光素子が発光状態である期間の長さが、前記デジタルビデオ信号によって制御されることで、前記複数の画素のそれぞれにおいて表示される階調が制御されることを特徴とする発光装置の駆動方法。 A driving method of a light emitting device according to claim 4,
In all of the plurality of sub-pixels, the first TFT is turned on in the same period,
When the first TFT is on, the potential of the digital video signal is applied to the gate electrode of the second TFT,
By controlling the switching of the second TFT according to the potential of the digital video signal, it is selected whether the light emitting element is in a light emitting state or a non-light emitting state,
When the third TFT is on, the light emitting element is in a non-light emitting state,
The gray level displayed in each of the plurality of pixels is controlled by controlling the length of the period in which the light emitting element is in a light emitting state in each of the plurality of subpixels by the digital video signal. A method for driving a light emitting device.
前記複数の画素はそれぞれ複数の副画素を有しており、
前記複数の副画素は発光素子、第１のＴＦＴ、第２のＴＦＴ、第３のＴＦＴ、ソース信号線、書き込み用ゲート信号線、消去用ゲート信号線及び電源供給線をそれぞれ有しており、
前記第１のＴＦＴのゲート電極は前記書き込み用ゲート信号線に接続されており、
前記第１のＴＦＴのソース領域とドレイン領域は、一方は前記ソース信号線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記第２のＴＦＴのソース領域は前記電源供給線に、ドレイン領域は前記発光素子が有する画素電極に接続されており、
前記第３のＴＦＴのゲート電極は前記消去用ゲート信号線に接続されており、
前記第３のＴＦＴのソース領域とドレイン領域は、一方は前記電源供給線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。A light emitting device having a plurality of pixels,
Each of the plurality of pixels has a plurality of sub-pixels;
The plurality of subpixels each include a light emitting element, a first TFT, a second TFT, a third TFT, a source signal line, a writing gate signal line, an erasing gate signal line, and a power supply line.
A gate electrode of the first TFT is connected to the write gate signal line;
One of the source region and the drain region of the first TFT is connected to the source signal line, and the other is connected to the gate electrode of the second TFT.
A source region of the second TFT is connected to the power supply line, and a drain region is connected to a pixel electrode of the light emitting element;
A gate electrode of the third TFT is connected to the erasing gate signal line;
One of the source region and the drain region of the third TFT is connected to the power supply line, and the other is connected to the gate electrode of the second TFT.
The plurality of sub-pixels have the same effective light emitting area.
前記複数の画素はそれぞれ複数の副画素を有しており、
前記複数の副画素は発光素子、第１のＴＦＴ、第２のＴＦＴ、第３のＴＦＴ、ソース信号線、消去用ゲート信号線及び電源供給線をそれぞれ有しており、
前記複数の副画素は、同一画素内において書き込み用ゲート信号線を共有しており、
前記第１のＴＦＴのゲート電極は前記書き込み用ゲート信号線に接続されており、
前記第１のＴＦＴのソース領域とドレイン領域は、一方は前記ソース信号線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記第２のＴＦＴのソース領域は前記電源供給線に、ドレイン領域は前記発光素子が有する画素電極に接続されており、
前記第３のＴＦＴのゲート電極は前記消去用ゲート信号線に接続されており、
前記第３のＴＦＴのソース領域とドレイン領域は、一方は前記電源供給線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。A light emitting device having a plurality of pixels,
Each of the plurality of pixels has a plurality of sub-pixels;
The plurality of subpixels each include a light emitting element, a first TFT, a second TFT, a third TFT, a source signal line, an erasing gate signal line, and a power supply line.
The plurality of subpixels share a write gate signal line in the same pixel,
A gate electrode of the first TFT is connected to the write gate signal line;
One of the source region and the drain region of the first TFT is connected to the source signal line, and the other is connected to the gate electrode of the second TFT.
A source region of the second TFT is connected to the power supply line, and a drain region is connected to a pixel electrode of the light emitting element;
A gate electrode of the third TFT is connected to the erasing gate signal line;
One of the source region and the drain region of the third TFT is connected to the power supply line, and the other is connected to the gate electrode of the second TFT.
The plurality of sub-pixels have the same effective light emitting area.
前記複数の画素はそれぞれ複数の副画素を有しており、
前記複数の副画素は発光素子、第１のＴＦＴ、第２のＴＦＴ、第３のＴＦＴ、ソース信号線、書き込み用ゲート信号線及び消去用ゲート信号線をそれぞれ有しており、
前記複数の副画素は同一画素内において電源供給線を共有しており、
前記第１のＴＦＴのゲート電極は前記書き込み用ゲート信号線に接続されており、
前記第１のＴＦＴのソース領域とドレイン領域は、一方は前記ソース信号線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記第２のＴＦＴのソース領域は前記電源供給線に、ドレイン領域は前記発光素子が有する画素電極に接続されており、
前記第３のＴＦＴのゲート電極は前記消去用ゲート信号線に接続されており、
前記第３のＴＦＴのソース領域とドレイン領域は、一方は前記電源供給線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。A light emitting device having a plurality of pixels,
Each of the plurality of pixels has a plurality of sub-pixels;
The plurality of sub-pixels each have a light emitting element, a first TFT, a second TFT, a third TFT, a source signal line, a writing gate signal line, and an erasing gate signal line.
The plurality of subpixels share a power supply line in the same pixel,
A gate electrode of the first TFT is connected to the write gate signal line;
One of the source region and the drain region of the first TFT is connected to the source signal line, and the other is connected to the gate electrode of the second TFT.
A source region of the second TFT is connected to the power supply line, and a drain region is connected to a pixel electrode of the light emitting element;
A gate electrode of the third TFT is connected to the erasing gate signal line;
One of the source region and the drain region of the third TFT is connected to the power supply line, and the other is connected to the gate electrode of the second TFT.
The plurality of sub-pixels have the same effective light emitting area.
前記複数の画素はそれぞれ複数の副画素を有しており、
前記複数の副画素は発光素子、第１のＴＦＴ、第２のＴＦＴ、第３のＴＦＴ、ソース信号線及び消去用ゲート信号線をそれぞれ有しており、
前記複数の副画素は、同一画素内において書き込み用ゲート信号線及び電源供給線を共有しており、
前記第１のＴＦＴのゲート電極は前記書き込み用ゲート信号線に接続されており、
前記第１のＴＦＴのソース領域とドレイン領域は、一方は前記ソース信号線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記第２のＴＦＴのソース領域は前記電源供給線に、ドレイン領域は前記発光素子が有する画素電極に接続されており、
前記第３のＴＦＴのゲート電極は前記消去用ゲート信号線に接続されており、
前記第３のＴＦＴのソース領域とドレイン領域は、一方は前記電源供給線に、もう一方は前記第２のＴＦＴのゲート電極に接続されており、
前記複数の副画素は、有効発光面積が互いに等しいことを特徴とする発光装置。A light emitting device having a plurality of pixels,
Each of the plurality of pixels has a plurality of sub-pixels;
The plurality of subpixels each have a light emitting element, a first TFT, a second TFT, a third TFT, a source signal line, and an erasing gate signal line.
The plurality of sub-pixels share a writing gate signal line and a power supply line in the same pixel,
A gate electrode of the first TFT is connected to the write gate signal line;
One of the source region and the drain region of the first TFT is connected to the source signal line, and the other is connected to the gate electrode of the second TFT.
A source region of the second TFT is connected to the power supply line, and a drain region is connected to a pixel electrode of the light emitting element;
A gate electrode of the third TFT is connected to the erasing gate signal line;
One of the source region and the drain region of the third TFT is connected to the power supply line, and the other is connected to the gate electrode of the second TFT.
The plurality of sub-pixels have the same effective light emitting area.
前記複数の副画素がそれぞれ有する書き込み用ゲート信号線は同じ期間に選択され、The gate signal lines for writing each of the plurality of subpixels are selected in the same period,
前記複数の副画素のそれぞれにおいて前記発光素子が発光状態である期間の長さが、前記ソース信号線に入力されるデジタルビデオ信号によって制御されることで、前記複数の画素のそれぞれにおいて表示される階調が制御されることを特徴とする発光装置の駆動方法。The length of the period in which the light emitting element is in a light emitting state in each of the plurality of sub-pixels is controlled by a digital video signal input to the source signal line, so that the display is performed in each of the plurality of pixels. A driving method of a light-emitting device, wherein gradation is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001382530A JP4323124B2 (en) | 2000-12-21 | 2001-12-17 | LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-388990 | 2000-12-21 | ||
| JP2000388990 | 2000-12-21 | ||
| JP2001382530A JP4323124B2 (en) | 2000-12-21 | 2001-12-17 | LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002278478A JP2002278478A (en) | 2002-09-27 |
| JP2002278478A5 true JP2002278478A5 (en) | 2005-07-28 |
| JP4323124B2 JP4323124B2 (en) | 2009-09-02 |
Family
ID=26606288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001382530A Expired - Fee Related JP4323124B2 (en) | 2000-12-21 | 2001-12-17 | LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4323124B2 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4822590B2 (en) * | 2001-02-08 | 2011-11-24 | 三洋電機株式会社 | Organic EL circuit |
| CN1432984A (en) | 2002-01-18 | 2003-07-30 | 株式会社半导体能源研究所 | Light emitting device |
| JP2004077567A (en) | 2002-08-09 | 2004-03-11 | Semiconductor Energy Lab Co Ltd | Display device and driving method therefor |
| JP4172250B2 (en) * | 2002-11-01 | 2008-10-29 | セイコーエプソン株式会社 | Electro-optical device, driving method of electro-optical device, and electronic apparatus |
| US7271784B2 (en) | 2002-12-18 | 2007-09-18 | Semiconductor Energy Laboratory Co., Ltd. | Display device and driving method thereof |
| US6771028B1 (en) * | 2003-04-30 | 2004-08-03 | Eastman Kodak Company | Drive circuitry for four-color organic light-emitting device |
| JP2005234486A (en) * | 2004-02-23 | 2005-09-02 | Tohoku Pioneer Corp | Device and method for driving light self-emissive display panel |
| JP4854182B2 (en) | 2004-04-16 | 2012-01-18 | 三洋電機株式会社 | Display device |
| JP2007041560A (en) * | 2005-07-04 | 2007-02-15 | Semiconductor Energy Lab Co Ltd | Display device and driving method of the same |
| US20070001954A1 (en) | 2005-07-04 | 2007-01-04 | Semiconductor Energy Laboratory Co., Ltd. | Display device and driving method of display device |
| US7898623B2 (en) * | 2005-07-04 | 2011-03-01 | Semiconductor Energy Laboratory Co., Ltd. | Display device, electronic device and method of driving display device |
| US7863612B2 (en) | 2006-07-21 | 2011-01-04 | Semiconductor Energy Laboratory Co., Ltd. | Display device and semiconductor device |
| JP4968857B2 (en) * | 2006-08-07 | 2012-07-04 | パイオニア株式会社 | Pixel driving apparatus and pixel driving method |
| KR101627724B1 (en) * | 2007-12-03 | 2016-06-07 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Display device |
| JP2010122493A (en) * | 2008-11-20 | 2010-06-03 | Eastman Kodak Co | Display device |
| JP5686122B2 (en) * | 2012-08-24 | 2015-03-18 | セイコーエプソン株式会社 | Electro-optical device and electronic apparatus |
| KR102641867B1 (en) * | 2018-11-23 | 2024-03-04 | 삼성디스플레이 주식회사 | Display device and driving method of the same |
| US10643529B1 (en) * | 2018-12-18 | 2020-05-05 | Himax Technologies Limited | Method for compensation brightness non-uniformity of a display panel, and associated display device |
| JP2021071593A (en) | 2019-10-30 | 2021-05-06 | キヤノン株式会社 | Display device, information display device, and electronic device |
-
2001
- 2001-12-17 JP JP2001382530A patent/JP4323124B2/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002278478A5 (en) | ||
| JP4822590B2 (en) | Organic EL circuit | |
| US7042426B2 (en) | Image display apparatus and drive method | |
| JP4160032B2 (en) | Display device and driving method thereof | |
| TWI283387B (en) | Standard voltage generation circuit, display driving circuit, display apparatus, and generation method of standard voltage | |
| JP2003255895A5 (en) | ||
| JP3938050B2 (en) | Driving circuit for active matrix light emitting device | |
| EP1103946A3 (en) | Gradation control for an active matrix EL display | |
| TW200515346A (en) | Display apparatus with active matrix display panel and method for driving same | |
| JP2005031643A (en) | Light emitting device and display device | |
| JP2012053447A (en) | Display device and method for driving the same | |
| JP2004070057A (en) | Device and method for driving light emitting display panel | |
| JP3863418B2 (en) | EL display device | |
| JP2009258301A (en) | Display device | |
| TW200606794A (en) | Drive device and drive method of self light emitting display panel and electronic equipment equipped with the drive device | |
| JP2010276783A (en) | Active matrix type display | |
| JP2005107063A (en) | Device and method for driving self-luminous display panel | |
| JP2010039136A (en) | Liquid crystal display | |
| JP4595300B2 (en) | Electro-optical device and electronic apparatus | |
| JP4773777B2 (en) | Active matrix display device | |
| JP2006350310A (en) | Display device and electronic equipment | |
| JP2007086762A5 (en) | ||
| TW200518001A (en) | Electroluminescent display devices | |
| JP4926469B2 (en) | Display device | |
| JP2002221937A5 (en) |