-
公开(公告)号：US12014697B2
公开(公告)日：2024-06-18
申请号：US18235041
申请日：2023-08-17
申请人： Japan Display Inc.
发明人： Tadayoshi Katsuta
IPC分类号： G09G3/36
CPC分类号： G09G3/3655 , G09G2300/0426 , G09G2320/046 , G09G2330/021
摘要： According to an aspect, a display device includes a pixel, a scanning line, a signal line, and a drive circuit. The drive circuit includes a gate driver, a signal line selection circuit, and a display control circuit. Holding capacitance is provided between a pixel electrode and a common electrode supplied with a common potential lower than a GND potential in a display operation. The display control circuit is configured to, at first time in a power-off sequence, supply a first power supply voltage signal to the scanning line, supply the common potential to the common electrode, and supply the GND potential to the signal line. The display control circuit is configured to supply the GND potential to the scanning line at second time after the first time. The display control circuit is configured to supply the GND potential to the common electrode at third time after the second time.
-
公开(公告)号：US11961323B2
公开(公告)日：2024-04-16
申请号：US17880960
申请日：2022-08-04
申请人： Japan Display Inc.
发明人： Tadayoshi Katsuta
IPC分类号： G06V40/13 , G09G3/3225 , G09G3/3266 , H01L27/146 , G06V40/145
CPC分类号： G06V40/1318 , G09G3/3225 , G09G3/3266 , H01L27/14603 , G06V40/145 , G09G2310/0286 , H01L27/14643
摘要： A detection device includes a plurality of detection elements arranged in a matrix having a row-column configuration in a detection area, a plurality of scan lines each coupled to the detection elements arranged in a first direction, a drive circuit configured to drive the scan lines, a plurality of output signal lines each coupled to the detection elements arranged in a second direction different from the first direction, and a detection circuit configured to be supplied with detection signals from the detection elements through the output signal lines.
-
公开(公告)号：US11658188B2
公开(公告)日：2023-05-23
申请号：US17728278
申请日：2022-04-25
申请人： Japan Display Inc.
发明人： Tadayoshi Katsuta
IPC分类号： H01L27/12 , G02F1/1362 , H01L29/786
CPC分类号： H01L27/124 , G02F1/136286 , G02F2201/121 , G02F2201/123 , H01L29/78624 , H01L29/78645 , H01L29/78696
摘要： According to an aspect, an array substrate includes a first scan line, a second scan line, and a signal line. A semiconductor film has a coupling portion coupling one end of a first linear portion to one end of a second linear portion. Another end of the first linear portion of the semiconductor film and another end of the second linear portion of the semiconductor film are coupled to the signal line. In a plan view, the semiconductor film is disposed between the first scan line and the second scan line, the first linear portion intersects two first gate electrodes, and the second linear portion intersects two second gate electrodes.
-
公开(公告)号：US11342360B2
公开(公告)日：2022-05-24
申请号：US16928185
申请日：2020-07-14
申请人： Japan Display Inc.
发明人： Tadayoshi Katsuta
IPC分类号： H01L27/12 , G02F1/1362 , H01L29/786
摘要： According to an aspect, an array substrate includes a first scan line, a second scan line, and a signal line. A semiconductor film has a coupling portion coupling one end of a first linear portion to one end of a second linear portion. Another end of the first linear portion of the semiconductor film and another end of the second linear portion of the semiconductor film are coupled to the signal line. In a plan view, the semiconductor film is disposed between the first scan line and the second scan line, the first linear portion intersects two first gate electrodes, and the second linear portion intersects two second gate electrodes.
-
公开(公告)号：US10817100B2
公开(公告)日：2020-10-27
申请号：US16563247
申请日：2019-09-06
申请人： Japan Display Inc.
IPC分类号： G06F3/041 , G06F3/044 , G02F1/1333 , G02F1/1343 , G02F1/1335 , G02F1/1362 , G02F1/1368
摘要： A detection device includes a substrate, first electrodes, second electrodes, and a conductor. The substrate has a first surface and a second surface opposite to the first surface. The first electrodes are provided in a display area of the substrate and detect the position of an object being in contact with or in proximity to the first surface side of the substrate or pressure of the object being in contact with the first surface side. The second electrodes are provided along at least one side of the outer periphery of the display area. The conductor is provided on the second surface side of the substrate apart from the substrate and generates an electrostatic capacitor between the conductor and the second electrodes.
-
公开(公告)号：US10782812B2
公开(公告)日：2020-09-22
申请号：US16173689
申请日：2018-10-29
申请人： Japan Display Inc.
IPC分类号： G06F3/041 , G02F1/133 , G02F1/1343 , G06F3/044 , G09G3/36 , G02F1/1333
摘要： A liquid crystal display device includes: a liquid crystal element array including liquid crystal display elements arranged in a matrix form; scan lines arranged in each row of the liquid crystal element array and configured to supply scan signals to the liquid crystal display elements arranged in a corresponding row; signal lines arranged in each column of the liquid crystal element array and configured to supply image signals to the liquid crystal display elements arranged in a corresponding column; a plurality of driving electrodes arranged in the liquid crystal element array and supplied with driving signals for detecting an external proximity object; a first voltage line of a first voltage; a second voltage line of a second voltage; and a third voltage line of a third voltage.
-
公开(公告)号：US10444895B2
公开(公告)日：2019-10-15
申请号：US15619069
申请日：2017-06-09
申请人： Japan Display Inc.
IPC分类号： G06F3/046 , G06F3/041 , G06F3/044 , G06F3/0354 , G02F1/1333
摘要： An input detection device includes a plurality of drive electrodes which are arranged in parallel to each other in plan view, and each of which has a pair of ends. At least one drive electrode among the plurality of drive electrodes is driven such that a first drive state where a first drive voltage is supplied to one end of the drive electrode and a second drive voltage different from the first drive voltage is supplied to the other end of the drive electrode and a second drive state where the second drive voltage is supplied to the one end and the first drive voltage is supplied to the other end temporally alternately occur.
-
公开(公告)号：US10437407B2
公开(公告)日：2019-10-08
申请号：US16193810
申请日：2018-11-16
申请人： Japan Display Inc.
IPC分类号： G06F3/041 , G06F3/046 , G02F1/1333 , G02F1/1343 , G06F3/0354 , G06F3/047 , G06F3/044
摘要： An input detection device is provided with a plurality of drive electrodes, a metal electrode opposed to the plurality of drive electrodes and having a predetermined wiring pattern, and a light-shielding film. In plan view, a width of the wiring pattern of the metal electrode overlapped with a portion of the light-shielding film with a large width is larger than a width of the wiring pattern of the metal electrode overlapped with portions other than the portion of the light-shielding film with the large width.
-
公开(公告)号：US10359893B2
公开(公告)日：2019-07-23
申请号：US15403897
申请日：2017-01-11
申请人： Japan Display Inc.
IPC分类号： G06F3/041 , G06F3/044 , G02F1/1333 , G09G3/36
摘要： A display device with a touch sensor includes: plural display pixel electrodes; a common electrode arranged opposite to the display pixel electrodes; a display function layer having an image display function; a display control circuit performing image display control so as to fulfill the display function of the display function layer by applying a voltage for display between the display pixel electrodes and the common electrode based on an image signal; and a touch detection electrode provided opposite to the common electrode and forming capacitance between the touch detection electrode and the common electrode, wherein a drive voltage for display applied to the common electrode by the display control circuit is used as a drive signal for the touch sensor, and a gate potential of TFT circuits included in the display pixel electrodes is increased during a period when the drive signal for the touch sensor is applied.
-
公开(公告)号：US10339884B2
公开(公告)日：2019-07-02
申请号：US16201311
申请日：2018-11-27
申请人： Japan Display Inc.
发明人： Tadayoshi Katsuta
摘要： According to an aspect, a display device includes: a display region in which a plurality of pixels are arranged in a matrix; a plurality of signal lines that extend in a second direction in the display region; a vertical drive circuit that is coupled to first ends of the scanning lines and applies a vertical scanning pulse to the first ends to select each row of the pixels in the display region; a horizontal drive circuit that performs a display operation of supplying an image signal to each of the pixels in the row selected by the vertical drive circuit through the signal lines; and a plurality of switches that are coupled to second ends of the scanning lines respectively. Each of the switches supplies the same potential as that supplied to the first ends by the vertical drive circuit to the second end corresponding thereto in an idle period.
-
-
-
-
-
-
-
-
-
搜索结果
102 条记录 (耗时 0.025 秒)
