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    Display device and electronic device
    21.
    发明授权
    Display device and electronic device 有权
    显示设备和电子设备

    公开(公告)号：US07482629B2

    公开(公告)日：2009-01-27

    申请号：US11123209

    申请日：2005-05-06

    申请人： Masahiko Hayakawa ,  Yu Yamazaki ,  Yukari Ando ,  Keisuke Miyagawa ,  Jun Koyama ,  Mitsuaki Osame ,  Aya Anzai ,  Shunpei Yamazaki ,  Satoshi Seo ,  Hiroko Abe

    发明人： Masahiko Hayakawa ,  Yu Yamazaki ,  Yukari Ando ,  Keisuke Miyagawa ,  Jun Koyama ,  Mitsuaki Osame ,  Aya Anzai ,  Shunpei Yamazaki ,  Satoshi Seo ,  Hiroko Abe

    IPC分类号： H01L29/04

    CPC分类号： G09G3/3233 ,  G09G3/006 ,  G09G2300/08 ,  G09G2300/0842 ,  G09G2310/0256 ,  G09G2310/0275 ,  G09G2310/061 ,  G09G2320/029 ,  G09G2320/041 ,  G09G2320/043 ,  G09G2330/02 ,  G09G2330/12 ,  H01L27/3244 ,  H01L2251/5323

    摘要： A display device where the influence of variations in current of the light emitting element due to changes in ambient temperature and changes with time can be suppressed. The display device of the invention has a light emitting element, a driving transistor connected in series to the light emitting element, a monitoring light emitting element, a limiter transistor connected in series to the monitoring light emitting element, a constant current source for supplying a constant current to the monitoring light emitting element, and a circuit for outputting a potential equal to an inputted potential. A first electrode of the light emitting element is connected to an output terminal of the circuit through the driving transistor, and a first electrode of the monitoring light emitting element is connected to an input terminal of the circuit through the limiter transistor. The channel length L1 and the channel width W1 of the driving transistor, and the channel length L2 and the channel width W2 of the limiter transistor satisfy L1/W1: L2/W2=1:2 to 1:10.

    摘要翻译： 可以抑制由于环境温度的变化而随着时间的变化而影响发光元件的电流的变化的显示装置。 本发明的显示装置具有发光元件，与发光元件串联连接的驱动晶体管，监视发光元件，与监视发光元件串联连接的限幅晶体管，用于供给 到监视发光元件的恒定电流，以及用于输出等于输入电位的电位的电路。 发光元件的第一电极通过驱动晶体管连接到电路的输出端，并且监控发光元件的第一电极通过限幅晶体管连接到电路的输入端。 驱动晶体管的沟道长度L1和沟道宽度W1以及限制晶体管的沟道长度L2和沟道宽度W2满足L1 / W1：L2 / W2 = 1:2至1:10。

    Method for manufacturing display device
    26.
    发明授权
    Method for manufacturing display device 有权
    显示装置制造方法

    公开(公告)号：US07687404B2

    公开(公告)日：2010-03-30

    申请号：US11121073

    申请日：2005-05-04

    申请人： Shunpei Yamazaki ,  Hideto Ohnuma ,  Mitsuaki Osame ,  Aya Anzai ,  Hiromichi Godo ,  Tomoya Futamura

    发明人： Shunpei Yamazaki ,  Hideto Ohnuma ,  Mitsuaki Osame ,  Aya Anzai ,  Hiromichi Godo ,  Tomoya Futamura

    IPC分类号： H01L21/302

    CPC分类号： H01L51/5262 ,  H01L27/1248 ,  H01L27/3244 ,  H01L27/3248 ,  H01L27/3258

    摘要： In a method for manufacturing a display device having a light emitting element, a first base insulating film, a second base insulating film, a semiconductor layer, and a gate insulating film are formed in this order over a substrate. A gate electrode is formed over the gate insulating film to overlap with at least a part of the semiconductor layer, and a portion to be a pixel portion of the gate insulating film and the second base insulating film is doped with at least one conductive type impurities. An opening portion is formed by selectively etching the gate insulating film and second base insulating film that are each doped with impurities. The first base insulating film is exposed in a bottom face of the opening portion. Subsequently, an insulating film is formed to cover the opening portion, the gate insulating film, and the gate electrode, and a light emitting element is formed over the insulating film to overlap with at least a part of the opening portion.

    摘要翻译： 在具有发光元件的显示装置的制造方法中，在衬底上依次形成第一基底绝缘膜，第二基底绝缘膜，半导体层和栅极绝缘膜。 栅极电极形成在栅极绝缘膜上方以与半导体层的至少一部分重叠，栅极绝缘膜和第二基底绝缘膜的像素部分的一部分被掺杂有至少一种导电类型的杂质 。 通过选择性地蚀刻各自掺杂有杂质的栅极绝缘膜和第二基底绝缘膜来形成开口部。 第一基底绝缘膜在开口部的底面露出。 随后，形成绝缘膜以覆盖开口部分，栅极绝缘膜和栅电极，并且在绝缘膜上形成发光元件以与开口部分的至少一部分重叠。

    Light Emitting Device and Drive Method Thereof
    27.
    发明申请
    Light Emitting Device and Drive Method Thereof 有权
    发光装置及其驱动方法

    公开(公告)号：US20080036709A1

    公开(公告)日：2008-02-14

    申请号：US11861494

    申请日：2007-09-26

    申请人： Aya Anzai ,  Mitsuaki Osame ,  Yoshifumi Tanada ,  Keisuke Miyagawa ,  Satoshi Seo ,  Shunpei Yamazaki

    发明人： Aya Anzai ,  Mitsuaki Osame ,  Yoshifumi Tanada ,  Keisuke Miyagawa ,  Satoshi Seo ,  Shunpei Yamazaki

    IPC分类号： G09G3/30

    CPC分类号： G09G3/3266 ,  G09G3/2022 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/3655 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0847 ,  G09G2300/0866 ,  G09G2310/0251 ,  G09G2310/0256 ,  G09G2310/0262 ,  G09G2310/027 ,  G09G2310/0278 ,  G09G2320/043 ,  G09G2330/021 ,  H01L27/3244

    摘要： The reliability of an EL element is enhanced while the increase of the electric power consumption is suppressed. It becomes possible that in a SES drive, the reverse bias is applied to the EL element driven at a constant electric current. Moreover, the application of the reverse bias is performed by varying only the counter electrode, and thus withstand voltage of TFT and the increase of the electric power consumption due to the increase of voltage of the gate signal line drive circuit, which becomes a problem when changing greatly the electric current supplying line, can be suppressed. Furthermore, the reduction of the electric power consumption can also be achieved while the enhancement of the reliability is secured by making the reverse bias smaller than the forward bias. Moreover, the increase of the number of electric sources can be also suppressed by making the potential be in common with the potential of the electric source of the source signal line drive circuit or the gate signal line drive circuit, at the time when the reverse bias is applied.

    摘要翻译： 在抑制电力消耗的增加的同时，增强了EL元件的可靠性。 可能的是，在SES驱动中，反向偏压被施加到以恒定电流驱动的EL元件。 此外，通过仅改变对置电极，因此耐受TFT的电压和由于栅极信号线驱动电路的电压的增加而导致的电力消耗的增加来执行反向偏置的应用，这成为问题 可以大大改变电流供应线路，可以抑制。 此外，还可以通过使反向偏压小于正向偏压来确保提高可靠性，同时可以实现功耗的降低。 此外，通过使电位与源极信号线驱动电路或栅极信号线驱动电路的电位的电位相同，也可以抑制电源数量的增加，反向偏置 被申请;被应用。

    Display device having a double sided display panel
    28.
    发明授权
    Display device having a double sided display panel 有权
    具有双面显示面板的显示装置

    公开(公告)号：US07221092B2

    公开(公告)日：2007-05-22

    申请号：US10741599

    申请日：2003-12-22

    申请人： Aya Anzai ,  Mitsuaki Osame ,  Shunpei Yamazaki

    发明人： Aya Anzai ,  Mitsuaki Osame ,  Shunpei Yamazaki

    IPC分类号： H05B33/26

    CPC分类号： H01L27/156 ,  G06F1/32 ,  G06F1/3203 ,  G06F1/3265 ,  G09G3/30 ,  G09G3/3208 ,  G09G2300/0439 ,  G09G2320/043 ,  H01L27/322 ,  H01L27/3267 ,  H04M2250/16 ,  H04W52/027 ,  Y02D10/153

    摘要： The invention provides a portable information terminal, such as a notebook PC, including light-emitting elements entirely having longer lives (a double-sided display panel having longer lives) and allowing lower power consumption with a double-sided display panel having a first screen on one surface of a substrate in the portable information terminal, such as a notebook PC, and a second screen on the other surface of the substrate on the opposite side of the first screen. In this case, light emission intensities and aperture ratios of the first and second screens may be differentiated for different applications of the first and second screens. One of the first screen and second screen may implement multi-color display, and the other may implement monochrome display. The double-sided display panel may be used in a lid of a portable information terminal, such as a notebook PC, and a touch-panel function may be provided thereto. Thus, a portable terminal such as PC can be manipulated easily even with the lid closed. Therefore, the portable terminal can be used easily even on the move.

    摘要翻译： 本发明提供了一种便携式信息终端，例如笔记本PC，其包括完全具有较长寿命的发光元件（具有较长寿命的双面显示面板），并且具有具有第一屏幕的双面显示面板的较低功耗 在诸如笔记本PC的便携式信息终端中的基板的一个表面上，在第一屏幕的相对侧的基板的另一个表面上的第二屏幕。 在这种情况下，可以针对第一和第二屏幕的不同应用来区分第一和第二屏幕的发光强度和开口率。 第一屏幕和第二屏幕之一可以实现多色显示，另一个可以实现单色显示。 双面显示面板可以用在诸如笔记本PC的便携式信息终端的盖中，并且可以向其提供触摸面板功能。 因此，即使盖子关闭，诸如PC的便携式终端也可以容易地被操纵。 因此，即使在移动中也可以容易地使用便携式终端。

    Display device and electronic device
    29.
    发明申请
    Display device and electronic device 有权
    显示设备和电子设备

    公开(公告)号：US20060108588A1

    公开(公告)日：2006-05-25

    申请号：US11280728

    申请日：2005-11-17

    申请人： Mitsuaki Osame ,  Aya Anzai ,  Jun Koyama ,  Yasuko Watanabe ,  Shunpei Yamazaki

    发明人： Mitsuaki Osame ,  Aya Anzai ,  Jun Koyama ,  Yasuko Watanabe ,  Shunpei Yamazaki

    IPC分类号： H01L29/04

    CPC分类号： H01L25/048 ,  H01L27/3267 ,  H01L27/3286 ,  H01L51/524 ,  H01L51/525 ,  H01L2924/0002 ,  H01L2924/00

    摘要： The invention provides a display device and an electronic device, each of which has one of a structure in which a substrate provided with a light emitting element which performs bottom light emission and a substrate provided with a light emitting element which performs top light emission are attached, and a structure in which two substrates, each of which is provided with a light emitting element which performs bottom light emission are attached. By attaching two substrates, each of which is provided with a light emitting element, displays are provided on the front and back of the display device, thus a high added value can be realized. One of the two substrates, each of which is provided with a light emitting element also functions as a sealing substrate for another substrate, thus a compact, thin, and lightweight display device can be obtained.

    摘要翻译： 本发明提供了一种显示装置和电子装置，每个显示装置和电子装置具有以下结构之一：附接有设置有执行底部发光的发光元件的基板和设置有执行顶部发光的发光元件的基板 ，并且附接有两个基板，其中每个基板设置有执行底部发光的发光元件。 通过连接两个基板，每个基板设置有发光元件，在显示装置的正面和背面设置有显示器，因此可以实现高附加值。 两个基板中的每一个设置有发光元件也用作另一基板的密封基板，因此可以获得紧凑，薄且轻的显示装置。

    Display device
    30.
    发明授权
    Display device 有权
    显示设备

    公开(公告)号：US08947325B2

    公开(公告)日：2015-02-03

    申请号：US13567119

    申请日：2012-08-06

    申请人： Aya Anzai ,  Mitsuaki Osame ,  Shunpei Yamazaki

    发明人： Aya Anzai ,  Mitsuaki Osame ,  Shunpei Yamazaki

    IPC分类号： G09G3/30 ,  H01L27/32 ,  G06F1/32 ,  H04W52/02

    CPC分类号： H01L27/156 ,  G06F1/32 ,  G06F1/3203 ,  G06F1/3265 ,  G09G3/30 ,  G09G3/3208 ,  G09G2300/0439 ,  G09G2320/043 ,  H01L27/322 ,  H01L27/3267 ,  H04M2250/16 ,  H04W52/027 ,  Y02D10/153

    摘要： A display device having a first pixel electrode and a second pixel electrode whose areas are different from each other is provided. In the display device, the first pixel electrode and the second pixel electrode are electrically connected to a first transistor and a second transistor, respectively. Gates of the first transistor and the second transistor are electrically connected to each other. A potential is supplied to the first pixel electrode and the second pixel electrode through a wiring electrically connected to the first transistor and the second transistor.

    摘要翻译： 提供具有第一像素电极和第二像素电极的显示装置，其区域彼此不同。 在显示装置中，第一像素电极和第二像素电极分别电连接到第一晶体管和第二晶体管。 第一晶体管和第二晶体管的栅极彼此电连接。 通过与第一晶体管和第二晶体管电连接的布线将电位提供给第一像素电极和第二像素电极。