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1. 发明授权

US06894436B2 Drive method of light-emitting display panel and organic EL display device 失效
标题翻译：发光显示面板和有机EL显示装置的驱动方法
公开(公告)号：US06894436B2
公开(公告)日：2005-05-17
申请号：US10252690
申请日：2002-09-24
申请人： Masato Togashi , Daisuke Fujita , Koji Henmi , Naoki Yazawa , Gen Suzuki , Keisuke Moriya
发明人： Masato Togashi , Daisuke Fujita , Koji Henmi , Naoki Yazawa , Gen Suzuki , Keisuke Moriya
IPC分类号： H01L51/50 , G09G3/20 , G09G3/30 , G09G3/32 , G09G3/10 , G09G3/34
CPC分类号： G09G3/3216 , G09G3/3266 , G09G2310/0251 , G09G2310/0256 , G09G2320/0209 , G09G2320/0606 , G09G2320/0626 , G09G2330/02 , G09G2330/028
摘要： In a drive method of a light-emitting display panel capable of emitting light in low luminance, the parasitic capacitances of the light-emitting elements disposed in the light-emitting display panel are precharged making use of a reverse bias voltage before they are lit. In this case, a reverse bias voltage created by a reverse bias voltage creation circuit or a peak current being precharged is controlled by selectively grounding control terminals based on dimmer control. In particular, when the light-emitting elements are emitted in low luminance, the reverse bias voltage is output in a low level, thereby the light-emitting elements are prevented from being precharged with an excessive voltage. The above arrangement can realize light emission control in low luminance.
摘要翻译：在能够以低亮度发光的发光显示面板的驱动方式中，配置在发光显示面板中的发光元件的寄生电容在点亮之前利用反向偏置电压进行预充电。在这种情况下，通过基于调光器控制选择性地接地控制端子来控制由反向偏置电压产生电路产生的反向偏置电压或预充电的峰值电流。特别地，当以低亮度发射发光元件时，将反向偏压输出为低电平，从而防止发光元件被过电压预充电。上述配置可以实现低亮度的发光控制。

2. 发明申请

US20050206325A1 Drive device and drive method of light emitting elements 失效
标题翻译：发光元件的驱动装置和驱动方法
公开(公告)号：US20050206325A1
公开(公告)日：2005-09-22
申请号：US11080970
申请日：2005-03-16
申请人： Shingo Wakou , Masato Togashi , Naoki Yazawa
发明人： Shingo Wakou , Masato Togashi , Naoki Yazawa
IPC分类号： H01L51/50 , G09G3/04 , G09G3/12 , H05B33/08 , H05B33/14 , H05B37/02 , H05B39/04
CPC分类号： H05B33/08 , Y02B20/32
摘要： The anode sides of respective EL elements E1-E4 constituting icons are connected to a first potential V1, the cathode sides of the EL elements E1-E4 are connected to current absorption sides of constant current sources I1-I4, and current output sides of the constant current sources are connected to a second potential V2 whose potential is lower than that of the first potential via light emission control switches S11-S14. Current regulating resistors R101-R104 are connected in parallel corresponding to the respective EL elements E1-E4, and therefore by appropriately selecting the resistance values of the current regulating resistors R101-R104, light emission intensities of the respective EL elements E1-E4 constituting icons can be regulated appropriately. During an all extinction period during which the respective EL elements E1-E4 are all extinguished, an analog switch S201 is turned off, and an analog switch S202 is turned on. Thus, the anode sides of all EL elements E1-E4 become ground potential, and a reverse bias voltage is applied to all EL elements E1-E4. By periodic applying of this reverse bias voltage, the light emission lifetimes of the EL elements E1-E4 can be prolonged.
摘要翻译：构成图标的各个EL元件E 1 -E 4的阳极侧连接到第一电位V 1，EL元件E 1 -E 4的阴极侧连接到恒流源I 1 -I 4的电流吸收侧，并且恒定电流源的电流输出侧通过发光控制开关S 11 -S 14连接到电位低于第一电位的第二电位V 2。电流调节电阻器R 101 -R 104与各个EL元件E 1 -E 4并联连接，因此通过适当选择电流调节电阻器R 101 -R 104的电阻值，各EL的发光强度可以适当地调整构成图标的元件E 1 -E 4。在各个EL元件E 1 -E 4全部熄灭的全部消光期间，模拟开关S 201断开，模拟开关S 202接通。因此，所有EL元件E 1 -E 4的阳极侧成为接地电位，并且向所有EL元件E 1 -E 4施加反向偏置电压。通过周期性地施加该反向偏置电压，可以延长EL元件E 1 -E 4的发光寿命。

3. 发明授权

US07274151B2 Drive device and drive method of light emitting elements 失效
标题翻译：发光元件的驱动装置和驱动方法
公开(公告)号：US07274151B2
公开(公告)日：2007-09-25
申请号：US11080970
申请日：2005-03-16
申请人： Shingo Wakou , Masato Togashi , Naoki Yazawa
发明人： Shingo Wakou , Masato Togashi , Naoki Yazawa
IPC分类号： G09G3/10
CPC分类号： H05B33/08 , Y02B20/32
摘要： The anode sides of respective EL elements E1-E4 constituting icons are connected to a first potential V1, the cathode sides of the EL elements E1-E4 are connected to current absorption sides of constant current sources I1-I4, and current output sides of the constant current sources are connected to a second potential V2 whose potential is lower than that of the first potential via light emission control switches S11-S14. Current regulating resistors R101-R104 are connected in parallel corresponding to the respective EL elements E1-E4, and therefore by appropriately selecting the resistance values of the current regulating resistors R101-R104, light emission intensities of the respective EL elements E1-E4 constituting icons can be regulated appropriately. During an all extinction period during which the respective EL elements E1-E4 are all extinguished, an analog switch S201 is turned off, and an analog switch S202 is turned on. Thus, the anode sides of all EL elements E1-E4 become ground potential, and a reverse bias voltage is applied to all EL elements E1-E4. By periodic applying of this reverse bias voltage, the light emission lifetimes of the EL elements E1-E4 can be prolonged.
摘要翻译：构成图标的各个EL元件E 1 -E 4的阳极侧连接到第一电位V 1，EL元件E 1 -E 4的阴极侧连接到恒流源I 1 -I 4的电流吸收侧，并且恒定电流源的电流输出侧通过发光控制开关S 11 -S 14连接到电位低于第一电位的第二电位V 2。电流调节电阻器R 101 -R 104与各个EL元件E 1 -E 4并联连接，因此通过适当选择电流调节电阻器R 101 -R 104的电阻值，各EL的发光强度可以适当地调整构成图标的元件E 1 -E 4。在各个EL元件E 1 -E 4全部熄灭的全部消光期间，模拟开关S 201断开，模拟开关S 202接通。因此，所有EL元件E 1 -E 4的阳极侧成为接地电位，并且向所有EL元件E 1 -E 4施加反向偏置电压。通过周期性地施加该反向偏置电压，可以延长EL元件E 1 -E 4的发光寿命。

4. 发明授权

US07109426B2 Printed board and electronic apparatus 失效
标题翻译：印刷电路板和电子设备
公开(公告)号：US07109426B2
公开(公告)日：2006-09-19
申请号：US10878058
申请日：2004-06-29
申请人： Masato Togashi
发明人： Masato Togashi
IPC分类号： H01R13/46 , H05K5/00
CPC分类号： H05K3/28 , H01L27/32 , H05K3/0094 , H05K2201/0195
摘要： A printed board includes an electrically insulating board, a conductor layer made of an electrically conducting pattern, and at least one of a resist layer and an ink layer, each made of an electrically insulating solid pattern. The electrically insulating board has one surface on which electronic parts will be mounted, and the other surface on which the conductor layer is formed and covered with at least one of the resist layer and the ink layer. An organic EL display device includes the printed board, and a housing having a planar structure. The surface on which the conductor layer of the printed board is covered with at least one of the resist layer and the ink layer, each made of the electronically insulating solid pattern is arranged so as to face a planar portion of the housing having the planar structure.
摘要翻译：印刷电路板包括电绝缘板，由导电图案制成的导体层，以及由电绝缘固体图形构成的抗蚀剂层和油墨层中的至少一个。电绝缘板具有一个表面，电子部件将安装在该表面上，另一个表面上形成有导体层，并且覆盖有抗蚀剂层和油墨层中的至少一个。有机EL显示装置包括印刷电路板和具有平面结构的壳体。印刷电路板的导体层被至少一层抗电层和油墨层覆盖的表面均由电绝缘性固体图形构成，以面对具有平面结构的壳体的平面部分。

5. 发明申请

US20060170632A1 Drive method and device for light-emitting display panel 审中-公开
标题翻译：发光显示面板的驱动方法和装置
公开(公告)号：US20060170632A1
公开(公告)日：2006-08-03
申请号：US11342608
申请日：2006-01-31
申请人： Masato Togashi , Toshihiko Aoki
发明人： Masato Togashi , Toshihiko Aoki
IPC分类号： G09G3/32
CPC分类号： G09G3/3216 , G09G3/3266 , G09G3/3275 , G09G2310/027 , G09G2320/0209 , G09G2320/0285 , G09G2320/0606 , G09G2320/0626 , G09G2330/028 , G09G2360/144
摘要： There is provided a drive method and device for a light-emitting display panel which can reduce shadowing caused by an ON rate of light-emitting elements and a condition of dimmer setting to a level at which a problem is not posed. An analog video signal is supplied to a drive control circuit and an A/D converting circuit, and the analog video signal is converted into image data corresponding to each pixel in the A/D converting circuit. The image data is written in an image memory. The image data is read from the image memory every scanning operation, and the drive control circuit acquires a rate (ON rate of light-emitting elements in each scanning operation) of EL elements to be controlled to emit light. Non-scanning selecting voltage data is read from a look-up table on the basis of the ON rate and the dimmer setting data so that a non-scanning selecting voltage data in the non-scanning voltage setting unit is determined. The value of a current which transiently flows from a non-scanning selecting voltage source (reverse bias voltage source VM) at the beginning of light emission of the light-emitting elements by a decrease in ON rate to charge the light-emitting elements to be turned on to emit light is appropriately controlled, and shadowing is suppressed from occurring.
摘要翻译：提供了一种用于发光显示面板的驱动方法和装置，其可以减少由发光元件的导通率引起的阴影和将调光器设置的条件设置到不会出现问题的水平。将模拟视频信号提供给驱动控制电路和A / D转换电路，并且将模拟视频信号转换成与A / D转换电路中的每个像素对应的图像数据。图像数据被写入图像存储器中。每次扫描操作都从图像存储器读取图像数据，并且驱动控制电路获取要控制的发光的EL元件的速率（每个扫描操作中的发光元件的导通率）。基于ON速率和调光器设置数据从查找表中读取非扫描选择电压数据，从而确定非扫描电压设置单元中的非扫描选择电压数据。在发光元件的发光开始时，从非扫描选择电压源（反向偏置电压源VM）瞬时流过的电流的值通过导通率的降低而使发光元件充电为适当地控制开启发光，防止阴影发生。

6. 发明申请

US20060170631A1 Drive device and drive method of a light emitting display panel 审中-公开
标题翻译：发光显示面板的驱动装置和驱动方法
公开(公告)号：US20060170631A1
公开(公告)日：2006-08-03
申请号：US11339616
申请日：2006-01-26
申请人： Masato Togashi , Toshihiko Aoki
发明人： Masato Togashi , Toshihiko Aoki
IPC分类号： G09G3/32
CPC分类号： G09G3/3216 , G09G3/3266 , G09G3/3275 , G09G2310/0251 , G09G2310/061 , G09G2320/0209 , G09G2320/0285 , G09G2320/0606 , G09G2320/0626 , G09G2360/144
摘要： Provided is a drive device and a drive method of a light emitting display panel in which shadowing generated due to the lighting ratio of light emitting elements and a dimmer setting condition can be reduced to a level at which there is no problem for practical use. An analog video signal is supplied to a drive control circuit 11 and an A/D conversion circuit 12 and is converted into image data which corresponds to each pixel in the A/D conversion circuit 12 to be written in an image memory 13. The image data is read out of the image memory 13 for each scan, and the drive control circuit 11 obtains a rate of EL elements which are to be controlled to emit light (lighting ratio of light emitting elements for each scan). Based on the lighting ratio and dimmer setting data, precharge control data is read out of a look up table 14, and a precharge voltage VAM based on the precharge control data is supplied to a data driver 2. Thus, the precharge amount in the parasitic capacitances of the light emitting elements is changed, and as a result, the occurrence rate of shadowing can be restrained.
摘要翻译：提供了一种发光显示面板的驱动装置和驱动方法，其中由于发光元件的点亮率和调光器设置条件而产生的阴影可以降低到实际使用没有问题的水平。将模拟视频信号提供给驱动控制电路11和A / D转换电路12，并将其转换为与A / D转换电路12中的每个像素对应的图像数据，以写入图像存储器13。对于每次扫描，图像数据被从图像存储器13中读出，并且驱动控制电路11获得被控制发光的EL元件的速率（每个扫描的发光元件的发光比）。基于照明比和调光器设定数据，从查找表14读出预充电控制数据，并且将基于预充电控制数据的预充电电压VAM提供给数据驱动器2。因此，发光元件的寄生电容的预充电量发生变化，能够抑制阴影的发生。

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