公开(公告)号：US10013916B2

公开(公告)日：2018-07-03

申请号：US14752218

申请日：2015-06-26

Applicant: NLT TECHNOLOGIES, LTD.

Inventor： Yoshihiro Nonaka ,  Yojiro Matsueda ,  Kenichi Takatori

IPC: G09G3/38 ,  G09G3/32 ,  G09G3/325 ,  G09G3/3233

CPC classification number: G09G3/325 ,  G09G3/3233 ,  G09G2300/08 ,  G09G2300/0842 ,  G09G2300/0895 ,  G09G2320/0238 ,  G09G2320/0257 ,  G09G2320/045

Abstract: To prevent image retention, the pixel circuit includes: a light emitting element; a driving transistor which supplies an electric current according to an applied voltage to the light emitting element; a capacitor part which holds the voltage containing a threshold voltage and a data voltage of the driving transistor; and a switch part which has the voltage containing the threshold voltage and the data voltage held to the capacitor part and applies the voltage to the driving transistor. Further, the switch part has a function which applies a constant voltage to the driving transistor before having the voltage containing the threshold voltage and the data voltage held to the capacitor part.

公开(公告)号：US09905312B2

公开(公告)日：2018-02-27

申请号：US14954160

申请日：2015-11-30

Applicant: NLT Technologies, Ltd.

Inventor： Yoshihiro Nonaka

IPC: G11C19/00 ,  G11C19/28 ,  G09G3/3266 ,  G09G3/36

CPC classification number: G11C19/28 ,  G09G3/3266 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/0209

Abstract: Provided is a shift register circuit including a single conductive transistor which performs overlap scanning without increasing the number of clock signals and reduces power consumption by avoiding an ineffective through current, a gate driver, and a display apparatus. The shift register circuit includes: a shift register unit having a first output transistor which connects an output terminal and a first power supply; and a first gate control circuit of which an output terminal is connected to a gate terminal of the first output transistor, wherein the first gate control circuit includes a timing generation unit and a buffer unit, the buffer unit is a bootstrap circuit, and an output of the timing generation unit to which an input signal is inputted is used as an input of the buffer unit and an output of the buffer unit is used as an output of the first gate control circuit.

公开(公告)号：US10388215B2

公开(公告)日：2019-08-20

申请号：US15350476

申请日：2016-11-14

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro Matsueda ,  Yoshihiro Nonaka ,  Kenichi Takatori

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: Provided is an OLED display device preventing an occurrence of a crosstalk using a simple structure.A display device includes: a display unit that includes a plurality of pixel circuits each including an organic light emitting element; a control unit that applies electric potential to the pixel circuits for a first period, and that controls emission luminance of the organic light emitting elements for a second period after the first period; and an application unit that applies a voltage of less than or equal to a threshold voltage of the organic light emitting element before a start of the second period in which the organic light emitting element has internal capacitance to maintain an electric potential difference between the anode electrode and the cathode electrode for a vertical scanning period in which a displayed image to be refreshed when the control unit controls the organic light emitting element not to emit light.

公开(公告)号：US10109696B2

公开(公告)日：2018-10-23

申请号：US15392025

申请日：2016-12-28

Applicant: NLT Technologies, Ltd.

Inventor： Buxiang Zhang ,  Yoshihiro Nonaka

IPC: H01L27/32 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/12 ,  G09G3/3233

Abstract: A display apparatus includes: a light emitting device in which a first electrode, a light emitting layer, and a second electrode are laminated; a pixel circuit, which is arranged on a lower side of the light emitting device, having a drive transistor including a source electrode connected to the first electrode and controlling a current supplied to the light emitting device; a first metal plate and a second metal plate arranged to face the light emitting layer across the first electrode; and a first insulating layer arranged between the first electrode and both the first metal plate and the second metal plate. The first metal plate is connected to a gate electrode of the drive transistor, the second metal plate is connected to a first voltage line, and the first metal plate and the second metal plate are arranged on the same plane face.

公开(公告)号：US09978309B2

公开(公告)日：2018-05-22

申请号：US14752218

申请日：2015-06-26

Applicant: NLT TECHNOLOGIES, LTD.

Inventor： Yoshihiro Nonaka ,  Yojiro Matsueda ,  Kenichi Takatori

IPC: G09G3/38 ,  G09G3/32 ,  G09G3/325 ,  G09G3/3233

Abstract: To prevent image retention, the pixel circuit includes: a light emitting element; a driving transistor which supplies an electric current according to an applied voltage to the light emitting element; a capacitor part which holds the voltage containing a threshold voltage and a data voltage of the driving transistor; and a switch part which has the voltage containing the threshold voltage and the data voltage held to the capacitor part and applies the voltage to the driving transistor. Further, the switch part has a function which applies a constant voltage to the driving transistor before having the voltage containing the threshold voltage and the data voltage held to the capacitor part.

公开(公告)号：US09904464B2

公开(公告)日：2018-02-27

申请号：US14579711

申请日：2014-12-22

Applicant: NLT Technologies, Ltd.

Inventor： Jiro Yanase ,  Yoshihiro Nonaka

IPC: G06F3/0488 ,  G06F3/044 ,  G06F3/041

CPC classification number: G06F3/04883 ,  G06F3/0416 ,  G06F3/044

Abstract: A touch sensor device includes: an impedance surface where plural sets of reference coordinates are set at plural locations; plural detection electrodes arranged on the impedance surface; a detection circuit configured to detect electric currents passing the detection electrodes; a storage section storing reference standardized values and reference normalized values; a position coordinate calculation section configured to obtain standardized values calculated by standardizing the electric currents detected in each detection period and to map the standardized values onto position coordinates; a first normalized value calculation section configured to map the position coordinates onto first normalized values; a second normalized value calculation section configured to calculate second normalized values by normalizing the electric currents in each detection period; and a touch gesture detection section configured to detect a motion of pointers on the basis of a time variation of the first normalized values and the second normalized values.

公开(公告)号：US09508285B2

公开(公告)日：2016-11-29

申请号：US14748657

申请日：2015-06-24

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro Matsueda ,  Kenichi Takatori ,  Yoshihiro Nonaka

IPC: G09G3/30 ,  G09G3/32 ,  H01L27/32

CPC classification number: G09G3/3208 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2320/043 ,  H01L27/32 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/3244 ,  H01L27/326 ,  H01L27/3262 ,  H01L2227/323

Abstract: In a pixel array in which rectangular pixels, each enclosing a subpixel of the first color (SP1) which has the highest luminosity factor, a subpixel of the second color (SP2) and a subpixel of the third color (SP3) which has the lowest luminosity factor, are two-dimensionally arranged, SP2 includes first and second portions respectively near two corners adjacent to each other in the first direction of the pixel, SP3 includes first and second portions near other two corners adjacent each other in the first direction of the rectangular pixel, and SP1 is located at a middle part including a center of gravity of the rectangular pixel. SP3 has a larger area than each of SP1 and SP2. In the second direction orthogonal to the first direction, SP2 and SP3 are widest near a pixel boundary in the first direction, SP1 is widest near the center of gravity in the pixel.

Abstract translation: 在像素阵列中，每个包含具有最高亮度因子的第一颜色（SP1）的子像素的矩形像素，具有第二颜色（SP2）的子像素和第三颜色（SP3）的子像素 亮度因子是二维排列的，SP2分别包括在像素的第一方向上彼此相邻的两个角附近的第一和第二部分，SP3包括第一和第二部分附近的彼此相邻的第二和第二部分 矩形像素，并且SP1位于包括矩形像素的重心的中间部分。 SP3的面积大于SP1和SP2。 在与第一方向正交的第二方向上，SP2和SP3在第一方向上的像素边界附近最宽，SP1在像素中的重心附近最宽。

公开(公告)号：US08711317B2

公开(公告)日：2014-04-29

申请号：US13866402

申请日：2013-04-19

Applicant: NLT Technologies, Ltd.

Inventor： Yoshihiro Nonaka

IPC: G02F1/1343

CPC classification number: G02F1/133514 ,  G02F1/1368 ,  G02F2001/133388 ,  G02F2201/52 ,  G02F2201/56 ,  G09G3/20 ,  G09G2300/0426

Abstract: Provided is a color filter substrate including: an end portion unit pixel including a plurality of kinds of end portion sub-pixels which correspond to a plurality of kinds of primary colors respectively in a one-to-one relationship; and an inner unit pixel including a plurality of kinds of inner sub-pixels which correspond to the plurality of kinds of primary colors respectively in a one-to-one relationship, wherein a relative area proportion of the end portion sub-pixels is set equal to that of the inner sub-pixels; and wherein the plurality of kinds of the end portion sub-pixels is arrayed in accordance with a position or a shape on an outer edge of the display region, an array direction of the plurality of kinds of the end portion sub-pixels and an array direction of the plurality of kinds of the inner sub-pixels configured to intersect each other.

Abstract translation: 提供一种滤色器基板，包括：分别具有与多种基色对应的多种端部子像素的端部单位像素，一对一关系; 以及包括分别对应于所述多种原色的多种内部子像素的内部单位像素，所述内部子像素分成一对一关系，其中所述端部子像素的相对面积比例被设置为相等 到内部子像素的像素; 并且其中根据所述显示区域的外边缘上的位置或形状排列所述多个所述端部子像素，所述多个所述端部子像素的阵列方向和阵列 构成为彼此相交的多个内部子像素的方向。

公开(公告)号：US10438532B2

公开(公告)日：2019-10-08

申请号：US15389673

申请日：2016-12-23

Applicant: NLT TECHNOLOGIES, LTD.

Inventor： Jiro Yanase ,  Yojiro Matsueda ,  Yoshihiro Nonaka

IPC: G09G3/32 ,  G09G3/3233

Abstract: An object is to provide a display device of an organic light emitting type suppressing luminance unevenness. The display device includes: a pixel including an organic light emitting element and a pixel circuit that controls a current supplied to the organic light emitting element; a first wiring 41 and a second wiring 42 supplying a first signal used for controlling the pixel circuit to the pixel circuit; and a third wiring 43 suppling a second signal used for controlling the pixel circuit to the pixel circuit. The first wiring 41 to the third wiring 43 are arranged inside an area in which the pixel circuit is arranged in a first direction, and the third wiring 43 is arranged between the first wiring 41 and the second wiring 42.

公开(公告)号：US10360840B2

公开(公告)日：2019-07-23

申请号：US14860998

申请日：2015-09-22

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro Matsueda ,  Yoshihiro Nonaka ,  Kenichi Takatori

IPC: G09G3/20 ,  G09G3/3233 ,  G09G3/3291

Abstract: To achieve a pixel circuit and the like capable of improving the accuracy for detecting the threshold voltage. The pixel circuit includes: a light emitting element; a driving transistor which supplies an electric current to the light emitting element according to an applied voltage; a capacitor part which holds a voltage containing a threshold voltage and a data voltage of the driving transistor and applies the voltage to the driving transistor; and a switch part which makes the capacitor part hold the voltage containing the threshold voltage and the data voltage. The switch part includes a reference voltage transistor which inputs a reference voltage from a reference voltage power supply line and a data voltage transistor which inputs a data voltage from a data line.