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1. 发明授权

US10191588B2 Coordinate input device and display device with the same 有权
公开(公告)号：US10191588B2
公开(公告)日：2019-01-29
申请号：US15188229
申请日：2016-06-21
申请人： Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
发明人： Norio Mamba , Koji Nagata , Koji Hayakawa , Kouichi Anno , Toshiyuki Kumagai , Tsutomu Furuhashi , Hisayoshi Kajiwara
IPC分类号： G06F3/041 , G06F3/044
摘要： A capacitance detection device of a capacitance system includes: a capacitance sensor electrode for detecting a capacitance; a power source for supplying charges to be charged in the capacitance sensor electrode; an electric charge storage capacitor in which an amount of charges to be charged therein changes according to the electric charges charged in the capacitance sensor electrode; and a switch for changing a reference potential of the electric charge storage capacitor. The reference potential of the electric charge storage capacitor is changed in a period of measuring the capacitance.

2. 发明申请

US20140232684A1 Coordinate Input Device and Display Device Including the Same 审中-公开
标题翻译：坐标输入设备和包括它的显示设备
公开(公告)号：US20140232684A1
公开(公告)日：2014-08-21
申请号：US14261070
申请日：2014-04-24
申请人： Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
发明人： Norio Mamba , Koji Nagata , Koji Hayakawa
IPC分类号： G06F3/044
CPC分类号： G06F3/0418 , G06F3/044 , G06F3/047
摘要： A coordinate input device includes: a coordinate input unit having a plurality of first detection electrodes and a plurality of second detection electrodes; an electrode drive circuit that applies a drive signal to one or more of the detection electrodes; a detection circuit that detects a signal of the first and/or second detection electrode; a selection circuit for selecting one or more of the detection electrodes to which the drive signal is not applied from among the detection electrodes which are disposed in parallel to the detection electrodes to which the drive signal is applied, as a reference electrode; a detection circuit for detecting a signal of the selected reference electrode; an input coordinate computing circuit for correcting a detection result of the detection circuit on the basis of the detected capacitance of the reference electrode and for calculating an input coordinate from the corrected detection result.
摘要翻译：坐标输入装置包括：坐标输入单元，具有多个第一检测电极和多个第二检测电极; 电极驱动电路，其向一个或多个检测电极施加驱动信号; 检测电路，检测第一和/或第二检测电极的信号; 选择电路，用于从与施加驱动信号的检测电极平行设置的检测电极中选择一个或多个不施加驱动信号的检测电极作为参考电极; 用于检测所选择的参考电极的信号的检测电路; 输入坐标计算电路，用于根据检测到的参考电极的电容校正检测电路的检测结果，并根据校正的检测结果计算输入坐标。

3. 发明授权

US09262027B2 Coordinate input device and display device including the same 有权
标题翻译：坐标输入装置和包括它的显示装置
公开(公告)号：US09262027B2
公开(公告)日：2016-02-16
申请号：US14261070
申请日：2014-04-24
申请人： Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
发明人： Norio Mamba , Koji Nagata , Koji Hayakawa
IPC分类号： G09G5/00 , G06F3/044 , G06F3/041
CPC分类号： G06F3/0418 , G06F3/044 , G06F3/047
摘要： A coordinate input device includes: a coordinate input unit having a plurality of first detection electrodes and a plurality of second detection electrodes; an electrode drive circuit that applies a drive signal to one or more of the detection electrodes; a detection circuit that detects a signal of the first and/or second detection electrode; a selection circuit for selecting one or more of the detection electrodes to which the drive signal is not applied from among the detection electrodes which are disposed in parallel to the detection electrodes to which the drive signal is applied, as a reference electrode; a detection circuit for detecting a signal of the selected reference electrode; an input coordinate computing circuit for correcting a detection result of the detection circuit on the basis of the detected capacitance of the reference electrode and for calculating an input coordinate from the corrected detection result.
摘要翻译：坐标输入装置包括：坐标输入单元，具有多个第一检测电极和多个第二检测电极; 电极驱动电路，其向一个或多个检测电极施加驱动信号; 检测电路，检测第一和/或第二检测电极的信号; 选择电路，用于从与施加驱动信号的检测电极平行设置的检测电极中选择一个或多个不施加驱动信号的检测电极作为参考电极; 用于检测所选择的参考电极的信号的检测电路; 输入坐标计算电路，用于根据检测到的参考电极的电容校正检测电路的检测结果，并根据校正的检测结果计算输入坐标。

4. 发明申请

US20160117054A1 COORDINATE INPUT DEVICE AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开
标题翻译：协调输入装置和显示装置，包括它们
公开(公告)号：US20160117054A1
公开(公告)日：2016-04-28
申请号：US14989874
申请日：2016-01-07
申请人： Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
发明人： Norio Mamba , Koji Nagata , Koji Hayakawa
IPC分类号： G06F3/041 , G06F3/047 , G06F3/044
CPC分类号： G06F3/0418 , G06F3/044 , G06F3/047
摘要： A coordinate input device includes: a coordinate input unit having a plurality of first detection electrodes and a plurality of second detection electrodes; an electrode drive circuit that applies a drive signal to one or more of the detection electrodes; a detection circuit that detects a signal of the first and/or second detection electrode; a selection circuit for selecting one or more of the detection electrodes to which the drive signal is not applied from among the detection electrodes which are disposed in parallel to the detection electrodes to which the drive signal is applied, as a reference electrode; a detection circuit for detecting a signal of the selected reference electrode; an input coordinate computing circuit for correcting a detection result of the detection circuit on the basis of the detected capacitance of the reference electrode and for calculating an input coordinate from the corrected detection result.
摘要翻译：坐标输入装置包括：坐标输入单元，具有多个第一检测电极和多个第二检测电极; 电极驱动电路，其向一个或多个检测电极施加驱动信号; 检测电路，检测第一和/或第二检测电极的信号; 选择电路，用于从与施加驱动信号的检测电极平行设置的检测电极中选择一个或多个不施加驱动信号的检测电极作为参考电极; 用于检测所选择的参考电极的信号的检测电路; 输入坐标计算电路，用于根据检测到的参考电极的电容校正检测电路的检测结果，并根据校正的检测结果计算输入坐标。

5. 发明授权

US09495039B2 Coordinate input device and display device including the same 有权
公开(公告)号：US09495039B2
公开(公告)日：2016-11-15
申请号：US14989874
申请日：2016-01-07
申请人： Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
发明人： Norio Mamba , Koji Nagata , Koji Hayakawa
IPC分类号： G09G5/00 , G06F3/041 , G06F3/044 , G06F3/047
CPC分类号： G06F3/0418 , G06F3/044 , G06F3/047
摘要： A coordinate input device includes: a coordinate input unit having a plurality of first detection electrodes and a plurality of second detection electrodes; an electrode drive circuit that applies a drive signal to one or more of the detection electrodes; a detection circuit that detects a signal of the first and/or second detection electrode; a selection circuit for selecting one or more of the detection electrodes to which the drive signal is not applied from among the detection electrodes which are disposed in parallel to the detection electrodes to which the drive signal is applied, as a reference electrode; a detection circuit for detecting a signal of the selected reference electrode; an input coordinate computing circuit for correcting a detection result of the detection circuit on the basis of the detected capacitance of the reference electrode and for calculating an input coordinate from the corrected detection result.

6. 发明申请

US20160313862A1 COORDINATE INPUT DEVICE AND DISPLAY DEVICE WITH THE SAME 审中-公开
标题翻译：协调输入装置和显示装置
公开(公告)号：US20160313862A1
公开(公告)日：2016-10-27
申请号：US15188229
申请日：2016-06-21
申请人： Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
发明人： Norio MAMBA , Koji Nagata , Koji Hayakawa , Kouichi Anno , Toshiyuki Kumagai , Tsutomu Furuhashi , Hisayoshi Kajiwara
IPC分类号： G06F3/041 , G06F1/32 , G06F3/044
CPC分类号： G06F3/0418 , G06F1/3262 , G06F3/0412 , G06F3/044
摘要： A capacitance detection device of a capacitance system includes: a capacitance sensor electrode for detecting capacitance; a power source for supplying charges to be charged in the capacitance sensor electrode; an electric charge storage capacitor in which an amount of charges to be charged therein changes according to the electric charges charged in the capacitance sensor electrode; and a switch for changing a reference potential of the electric charge storage capacitor. The reference potential of the electric charge storage capacitor is changed in a period of measuring the capacitance.
摘要翻译：电容系统的电容检测装置包括：用于检测电容的电容传感器电极; 用于提供要在电容传感器电极中充电的电荷的电源; 电荷存储电容器，其中要充电的电荷量根据在电容传感器电极中充电的电荷而改变; 以及用于改变电荷存储电容器的参考电位的开关。电容存储电容器的参考电位在测量电容的时段内改变。

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