公开(公告)号：US09891748B2

公开(公告)日：2018-02-13

申请号：US15059450

申请日：2016-03-03

Applicant: Japan Display Inc.

Inventor： Takashi Nakamura ,  Masahiro Tada ,  Takanori Tsunashima ,  Hirotaka Hayashi ,  Kazuhide Mochizuki

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044

Abstract: According to one embodiment, a display device includes plural display pixels arranged in a matrix, plural gate lines, plural source lines and a control circuit which controls by applying intermittent driving and a column-inversion drive scheme, an operation in which drive signals are supplied to the gate lines and the source lines, and an image signal is supplied to the display pixels and held thereby, wherein the display pixels each include a liquid crystal in which alignment of liquid crystal molecules is changed by a voltage between pixel electrodes and a common electrode, and the control circuit applies in a signal stop period in the intermittent driving, a voltage corresponding to a gradation higher than or equal to white gradation to the source lines in a case where a display mode of the liquid crystal is a normally-black mode.

公开(公告)号：US09858871B2

公开(公告)日：2018-01-02

申请号：US14635389

申请日：2015-03-02

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima ,  Hirotaka Hayashi

IPC: G09G5/02 ,  G09G3/36

CPC classification number: G09G3/3607 ,  G09G3/3611 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0456 ,  G09G2300/0852 ,  G09G2310/08

Abstract: According to one embodiment, a display device includes a unit pixel including a first pixel, a second pixel neighboring to the first pixel in a column direction, a third pixel neighboring to the first pixel in a row direction, and a fourth pixel neighboring to the second pixel in the row direction, a scanning line extending in the row direction and electrically connected to the first to fourth pixels, and first to fourth signal lines extending in the column direction and provided at intervals therebetween in the row direction, and the first to fourth signal lines are electrically connected to the first to fourth pixels, and video signal potentials for inverted drive applied to the first and second signal lines are inverted in polarity with respect to each other, and those to the third and fourth signal lines are inverted in polarity with respect to each other.

公开(公告)号：US09331078B2

公开(公告)日：2016-05-03

申请号：US14738017

申请日：2015-06-12

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima

IPC: H01L27/12 ,  H01L27/092

CPC classification number: H01L27/092 ,  H01L27/1214 ,  H01L27/1222 ,  H01L27/124

Abstract: According to one embodiment, provided is a thin film transistor device with further improved area efficiency. First contact regions of a first semiconductor layer portion are formed with the first channel region therebetween in a predetermined direction and doped with an N-type impurity, one of the first contact regions electrically connected with a shared electrode, while the other electrically connected with a first electrode. Second contact regions of a second semiconductor layer portion are formed with the second channel region therebetween in the predetermined direction and doped with a P-type impurity, one of the second contact regions electrically connected with the shared electrode, while the other electrically connected with a second electrode. The first and second contact regions are partially disposed alternately and adjacently in a direction intersecting with the predetermined direction.

Abstract translation: 根据一个实施例，提供了一种具有进一步提高的面积效率的薄膜晶体管器件。 第一半导体层部分的第一接触区域沿着预定方向形成有第一沟道区域，并且掺杂有N型杂质，其中一个第一接触区域与共用电极电连接，而另一个与 第一电极。 第二半导体层部分的第二接触区域在其预定方向上形成有第二沟道区域，并且掺杂有P型杂质，其中一个第二接触区域与共用电极电连接，而另一个电连接到 第二电极。 第一和第二接触区域在与预定方向相交的方向上交替地和相邻地部分地设置。

公开(公告)号：US09285911B2

公开(公告)日：2016-03-15

申请号：US14152143

申请日：2014-01-10

Applicant: Japan Display Inc.

Inventor： Keiichi Saito ,  Hideyuki Takahashi ,  Takashi Nakamura ,  Satoru Tomita ,  Masahiro Tada ,  Hirotaka Hayashi ,  Takashi Okada ,  Yoshiro Aoki ,  Takanori Tsunashima

IPC: G06F3/045 ,  G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.

公开(公告)号：US20140333852A1

公开(公告)日：2014-11-13

申请号：US14257091

申请日：2014-04-21

Applicant: Japan Display Inc.

Inventor： Miyuki ISHIKAWA ,  Masahiro Tada ,  Takashi Nakamura ,  Yutaka Umeda ,  Hirotaka Hayashi ,  Yoshiro Aoki ,  Takanori Tsunashima

IPC: G06F3/044 ,  G02F1/1343 ,  G02F1/1333

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/0412

Abstract: According to one embodiment, a display device includes a display panel having a counter substrate, an array substrate and a liquid crystal layer held therebetween, a counter electrode provided on the counter substrate, a pixel electrode arranged on the array substrate in a matrix, a sensor circuit arranged between rows of the plurality of pixel electrodes and configured to read out intensity of capacitive coupling between the sensor circuit and a dielectric, and a counter electrode drive circuit configured to pulsatively drive a common voltage added to the counter electrode during a period of driving the sensor circuit, wherein the sensor circuit comprises a detection electrode configured to form capacitance between the sensor circuit and the dielectric and to form capacitance between the sensor circuit and the counter electrode, and wherein the counter electrode comprises an aperture including at least a portion opposed to the detection electrode.

Abstract translation: 根据一个实施例，显示装置包括显示面板，其具有对置基板，阵列基板和夹在其间的液晶层，设置在相对基板上的对置电极，以矩阵形式布置在阵列基板上的像素电极， 传感器电路，其布置在所述多个像素电极的行之间并且被配置为读出所述传感器电路和电介质之间的电容耦合的强度;以及对电极驱动电路，被配置为在一段时间期间脉动地驱动添加到所述对电极的公共电压 驱动所述传感器电路，其中所述传感器电路包括被配置为在所述传感器电路和所述电介质之间形成电容并且在所述传感器电路和所述对电极之间形成电容的检测电极，并且其中所述对电极包括孔，所述孔包括至少一部分 与检测电极相对。