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41. 发明授权

US07122969B2 Element substrate and light emitting device 有权
标题翻译：元件基板和发光器件
公开(公告)号：US07122969B2
公开(公告)日：2006-10-17
申请号：US10866081
申请日：2004-06-14
申请人： Ryota Fukumoto , Aya Anazai , Yu Yamazaki , Mitsuaki Osame
发明人： Ryota Fukumoto , Aya Anazai , Yu Yamazaki , Mitsuaki Osame
IPC分类号： G09G3/10
CPC分类号： G09G5/006 , G09G3/2022 , G09G3/3233 , G09G3/3275 , G09G2300/04 , G09G2300/0426 , G09G2300/0439 , G09G2300/0465 , G09G2300/08 , G09G2300/0842 , G09G2300/0861 , G09G2310/061 , G09G2320/043 , H01L27/12 , H01L27/3244 , H01L27/3276
摘要： No need of lowering off-current of a switching transistor, fewer luminance variations of a light emitting element between pixels due to characteristic variations of a driving transistor, and less risk of steps due to increase in the number of wirings. A video signal for light emission or non-emission of a pixel is input to a gate of a current controlling transistor operated in a linear region, which is connected in series with the driving transistor, through a switching transistor. Since a voltage Vds between a source and a drain of the current controlling transistor is small, small changes in a voltage Vgs between a gate and a source thereof do not affect a current flowing in a load. The current flowing in the light emitting element is determined by the driving transistor operated in a saturation region, and a fixed potential is input to the gate thereof during light emission.
摘要翻译：不需要降低开关晶体管的截止电流，由于驱动晶体管的特性变化，像素之间的发光元件的亮度变化较少，并且由于布线数量的增加而导致的步骤风险降低。用于发光或不发射像素的视频信号通过开关晶体管输入到与驱动晶体管串联连接的线性区域中工作的电流控制晶体管的栅极。由于电流控制晶体管的源极和漏极之间的电压Vds小，栅极和源极之间的电压Vgs的小的变化不影响在负载中流动的电流。在发光元件中流动的电流由在饱和区域中工作的驱动晶体管确定，并且在发光期间将固定电位输入到其栅极。

42. 发明申请

US20120032199A1 Element Substrate and Light-Emitting Device 有权
标题翻译：元件基板和发光装置
公开(公告)号：US20120032199A1
公开(公告)日：2012-02-09
申请号：US13243034
申请日：2011-09-23
申请人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
发明人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
IPC分类号： H01L33/08
CPC分类号： H01L27/3262 , G09G3/2022 , G09G3/3233 , G09G3/3291 , G09G2300/0426 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2320/0219 , G09G2320/0233 , H01L27/12 , H01L27/1214 , H01L27/1222 , H01L27/124 , H01L27/1251 , H01L27/1255 , H01L27/3244 , H01L27/3246 , H01L27/3248 , H01L27/3276 , H01L29/78675 , H01L51/52 , H01L2251/5323 , H04M1/0266
摘要： A potential of a gate of a driving transistor is fixed, and the driving transistor is operated in a saturation region, so that a current is supplied thereto anytime. A current control transistor operating in a linear region is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor.
摘要翻译：驱动晶体管的栅极的电位固定，并且驱动晶体管在饱和区域中工作，从而随时提供电流。在线性区域中工作的电流控制晶体管与驱动晶体管串联布置，并且用于传输像素的发射或非发射信号的视频信号通过开关晶体管输入到电流控制晶体管的栅极。

43. 发明授权

US08026877B2 Element substrate and light-emitting device 有权
标题翻译：元件衬底和发光器件
公开(公告)号：US08026877B2
公开(公告)日：2011-09-27
申请号：US10807545
申请日：2004-03-24
申请人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
发明人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
IPC分类号： G09G3/32
CPC分类号： H01L27/3262 , G09G3/2022 , G09G3/3233 , G09G3/3291 , G09G2300/0426 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2320/0219 , G09G2320/0233 , H01L27/12 , H01L27/1214 , H01L27/1222 , H01L27/124 , H01L27/1251 , H01L27/1255 , H01L27/3244 , H01L27/3246 , H01L27/3248 , H01L27/3276 , H01L29/78675 , H01L51/52 , H01L2251/5323 , H04M1/0266
摘要： A potential of a gate of a driving transistor is fixed, and the driving transistor is operated in a saturation region, so that a current is supplied thereto anytime. A current control transistor operating in a linear region is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor.
摘要翻译：驱动晶体管的栅极的电位固定，并且驱动晶体管在饱和区域中工作，从而随时提供电流。在线性区域中工作的电流控制晶体管与驱动晶体管串联布置，并且用于传输像素的发射或非发射信号的视频信号通过开关晶体管输入到电流控制晶体管的栅极。

44. 发明授权

US07471271B2 Display device and driving method of the same 有权
标题翻译：显示装置及其驱动方法相同
公开(公告)号：US07471271B2
公开(公告)日：2008-12-30
申请号：US10860681
申请日：2004-06-04
申请人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
发明人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
IPC分类号： G09G3/30 , G09G3/32 , G09G3/10
CPC分类号： G09G3/3291 , G09G3/2022 , G09G3/3266 , G09G2300/043 , G09G2300/0823 , G09G2310/0254 , G09G2320/043
摘要： The present invention provides a circuit configuration for applying a reverse voltage (or a reverse bias) for enhancing the reliability by controlling the degradation of the light emitting element in a display device having a pixel circuit, and a method thereof. A reverse voltage is applied to a pixel circuit having at least a switching transistor connected to a signal line, a driving transistor connected to a light emitting element, and a current controlling transistor connected to the driving transistor in series. A reverse voltage applying circuit includes an analog switch or a clocked inverter, and a reverse voltage applying transistor which is turned ON when a reverse voltage is applied.
摘要翻译：本发明提供一种用于通过控制具有像素电路的显示装置中的发光元件的劣化来提供反向电压（或反向偏置）以提高可靠性的电路配置及其方法。反向电压被施加到具有至少连接到信号线的开关晶体管的像素电路，连接到发光元件的驱动晶体管和串联连接到驱动晶体管的电流控制晶体管。反向电压施加电路包括模拟开关或时钟反相器，以及当施加反向电压时接通的反向电压施加晶体管。

45. 发明申请

US20070241992A1 Element Substrate and Light Emitting Device 有权
标题翻译：元件基板和发光装置
公开(公告)号：US20070241992A1
公开(公告)日：2007-10-18
申请号：US11549946
申请日：2006-10-16
申请人： Ryota Fukumoto , Aya Anazai , Yu Yamazaki , Mitsuaki Osame
发明人： Ryota Fukumoto , Aya Anazai , Yu Yamazaki , Mitsuaki Osame
IPC分类号： G09G3/22
CPC分类号： G09G5/006 , G09G3/2022 , G09G3/3233 , G09G3/3275 , G09G2300/04 , G09G2300/0426 , G09G2300/0439 , G09G2300/0465 , G09G2300/08 , G09G2300/0842 , G09G2300/0861 , G09G2310/061 , G09G2320/043 , H01L27/12 , H01L27/3244 , H01L27/3276
摘要： No need of lowering off-current of a switching transistor, fewer luminance variations of a light emitting element between pixels due to characteristic variations of a driving transistor, and less risk of steps due to increase in the number of wirings. A video signal for light emission or non-emission of a pixel is input to a gate of a current controlling transistor operated in a linear region, which is connected in series with the driving transistor, through a switching transistor. Since a voltage Vds between a source and a drain of the current controlling transistor is small, small changes in a voltage Vgs between a gate and a source thereof do not affect a current flowing in a load. The current flowing in the light emitting element is determined by the driving transistor operated in a saturation region, and a fixed potential is input to the gate thereof during light emission.
摘要翻译：不需要降低开关晶体管的截止电流，由于驱动晶体管的特性变化，像素之间的发光元件的亮度变化较少，并且由于布线数量的增加而导致的步骤风险降低。用于发光或不发射像素的视频信号通过开关晶体管输入到与驱动晶体管串联连接的线性区域中工作的电流控制晶体管的栅极。由于电流控制晶体管的源极和漏极之间的电压Vds小，栅极和源极之间的电压Vgs的小的变化不影响在负载中流动的电流。在发光元件中流动的电流由在饱和区域中工作的驱动晶体管确定，并且在发光期间将固定电位输入到其栅极。

46. 发明申请

US20050001830A1 Display device and driving method of the same 有权
标题翻译：显示装置及其驱动方法相同
公开(公告)号：US20050001830A1
公开(公告)日：2005-01-06
申请号：US10860681
申请日：2004-06-04
申请人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
发明人： Mitsuaki Osame , Aya Anzai , Yu Yamazaki , Ryota Fukumoto
IPC分类号： H01L51/50 , G09F9/30 , G09G3/14 , G09G3/20 , G09G3/30 , H01L27/32 , H01L29/786 , H04N5/66 , H05B33/14
CPC分类号： G09G3/3291 , G09G3/2022 , G09G3/3266 , G09G2300/043 , G09G2300/0823 , G09G2310/0254 , G09G2320/043
摘要： The present invention provides a circuit configuration for applying a reverse voltage (or a reverse bias) for enhancing the reliability by controlling the degradation of the light emitting element in a display device having a pixel circuit, and a method thereof. A reverse voltage is applied to a pixel circuit having at least a switching transistor connected to a signal line, a driving transistor connected to a light emitting element, and a current controlling transistor connected to the driving transistor in series. A reverse voltage applying circuit includes an analog switch or a clocked inverter, and a reverse voltage applying transistor which is turned ON when a reverse voltage is applied.
摘要翻译：本发明提供一种用于通过控制具有像素电路的显示装置中的发光元件的劣化来提供反向电压（或反向偏置）以提高可靠性的电路配置及其方法。反向电压被施加到具有至少连接到信号线的开关晶体管的像素电路，连接到发光元件的驱动晶体管和串联连接到驱动晶体管的电流控制晶体管。反向电压施加电路包括模拟开关或时钟反相器，以及当施加反向电压时接通的反向电压施加晶体管。

47. 发明授权

US08519628B2 Light-emitting device 有权
标题翻译：发光装置
公开(公告)号：US08519628B2
公开(公告)日：2013-08-27
申请号：US13279531
申请日：2011-10-24
申请人： Ryota Fukumoto , Hiroyuki Miyake , Yoshifumi Tanada , Kei Takahashi
发明人： Ryota Fukumoto , Hiroyuki Miyake , Yoshifumi Tanada , Kei Takahashi
IPC分类号： G09G3/10
CPC分类号： G09G3/3225 , G09G2300/043 , G09G2300/0866 , G09G2320/0223 , G09G2330/025
摘要： The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switch is applied to a gate of the first transistor.
摘要翻译：信号线的电位的幅度减小，防止扫描线驱动电路过载。发光装置包括发光元件; 具有第一电位的第一电源线; 具有第二电位的第二电源线; 用于控制第一电源线和发光元件之间的连接的第一晶体管; 根据视频信号控制的第二晶体管，是否输出从第二电源线施加的第二电位; 用于选择从第一电源线施加的第一电位或第二晶体管的输出的开关元件; 以及第三晶体管，用于选择由开关选择的第二晶体管的第一电位或输出是施加到第一晶体管的栅极。

48. 发明授权

US08044598B2 Light-emitting device 有权
标题翻译：发光装置
公开(公告)号：US08044598B2
公开(公告)日：2011-10-25
申请号：US12352688
申请日：2009-01-13
申请人： Ryota Fukumoto , Hiroyuki Miyake , Yoshifumi Tanada , Kei Takahashi
发明人： Ryota Fukumoto , Hiroyuki Miyake , Yoshifumi Tanada , Kei Takahashi
IPC分类号： G09G3/10
CPC分类号： G09G3/3225 , G09G2300/043 , G09G2300/0866 , G09G2320/0223 , G09G2330/025
摘要： The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switch is applied to a gate of the first transistor.
摘要翻译：信号线的电位的幅度减小，防止扫描线驱动电路过载。发光装置包括发光元件; 具有第一电位的第一电源线; 具有第二电位的第二电源线; 用于控制第一电源线和发光元件之间的连接的第一晶体管; 根据视频信号控制的第二晶体管，是否输出从第二电源线施加的第二电位; 用于选择从第一电源线施加的第一电位或第二晶体管的输出的开关元件; 以及第三晶体管，用于选择由开关选择的第二晶体管的第一电位或输出是施加到第一晶体管的栅极。

49. 发明申请

US20090179572A1 Light-Emitting Device 有权
标题翻译：发光装置
公开(公告)号：US20090179572A1
公开(公告)日：2009-07-16
申请号：US12352688
申请日：2009-01-13
申请人： Ryota Fukumoto , Hiroyuki Miyake , Yoshifumi Tanada , Kei Takahashi
发明人： Ryota Fukumoto , Hiroyuki Miyake , Yoshifumi Tanada , Kei Takahashi
IPC分类号： G09G3/10
CPC分类号： G09G3/3225 , G09G2300/043 , G09G2300/0866 , G09G2320/0223 , G09G2330/025
摘要： The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switch is applied to a gate of the first transistor.
摘要翻译：信号线的电位的幅度减小，防止扫描线驱动电路过载。发光装置包括发光元件; 具有第一电位的第一电源线; 具有第二电位的第二电源线; 用于控制第一电源线和发光元件之间的连接的第一晶体管; 根据视频信号控制的第二晶体管，是否输出从第二电源线施加的第二电位; 用于选择从第一电源线施加的第一电位或第二晶体管的输出的开关元件; 以及第三晶体管，用于选择由开关选择的第二晶体管的第一电位或输出是施加到第一晶体管的栅极。

50. 发明授权

US08044895B2 Display device and driving method of the same 有权
标题翻译：显示装置及其驱动方法相同
公开(公告)号：US08044895B2
公开(公告)日：2011-10-25
申请号：US11222152
申请日：2005-09-08
申请人： Hiroyuki Miyake , Tomoyuki Iwabuchi , Ryota Fukumoto
发明人： Hiroyuki Miyake , Tomoyuki Iwabuchi , Ryota Fukumoto
IPC分类号： G09G3/30 , G09G3/32 , G09G3/10
CPC分类号： H01L27/156 , G09G3/3233 , G09G3/3241 , G09G2300/0842 , G09G2300/0852 , G09G2310/0256 , G09G2320/02 , G09G2320/0238 , H01L27/3244 , H01L27/3248 , H01L27/3265
摘要： A problem in that a light emitting element slightly emits light is solved by an off current of a thin film transistor connected in series to the light emitting element, thereby a display device which can perform a clear display by increasing contrast, and a driving method thereof are provided. When the thin film transistor connected in series to the light emitting element is turned off, a charge held in the capacitance of the light emitting element itself is discharged. Even when an off current is generated at the thin film transistor connected in series to the light emitting element, this off current charges this capacitance until the capacitance of the light emitting element itself holds a predetermined voltage again. Accordingly, the off current of the thin film transistor does not contribute to light emission. In this manner, a slight light emission of the light emitting element can be reduced.
摘要翻译：通过与发光元件串联连接的薄膜晶体管的截止电流来解决发光元件稍微发光的问题，从而可以通过增加对比度进行清晰显示的显示装置及其驱动方法被提供。当与发光元件串联连接的薄膜晶体管截止时，放电保持在发光元件本身的电容中的电荷。即使当在与发光元件串联连接的薄膜晶体管上产生截止电流时，该截止电流对该电容充电，直到发光元件本身的电容再次保持预定电压。因此，薄膜晶体管的截止电流对发光没有贡献。以这种方式，可以减少发光元件的轻微发光。

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