公开(公告)号：US20170132974A1

公开(公告)日：2017-05-11

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

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0861 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2320/0673

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：US20160104427A1

公开(公告)日：2016-04-14

申请号：US14876840

申请日：2015-10-07

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA ,  Yoshihiro NONAKA ,  Kenichi TAKATORI

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262

Abstract: To provide a pixel circuit and the like capable of preventing contrast deterioration caused by leaked light emission at the time of reset actions. 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 current detour transistor which makes the electric current supplied from the driving transistor detour to a reference voltage power supply line without going through the light emitting element.

Abstract translation: 提供能够防止在复位动作时由泄漏的发光引起的对比度劣化的像素电路等。 像素电路包括：发光元件; 驱动晶体管，其根据施加的电压向所述发光元件供给电流; 电容器部分，其保持包含所述驱动晶体管的阈值电压和数据电压的电压，并将所述电压施加到所述驱动晶体管; 以及使电容器部分保持包含阈值电压和数据电压的电压的开关部分。 开关部分包括当前的绕行晶体管，其使得从驱动晶体管绕路提供的电流到基准电压电源线而不通过发光元件。

公开(公告)号：US20210225247A1

公开(公告)日：2021-07-22

申请号：US17301517

申请日：2021-04-06

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA ,  Kenichi TAKATORI

IPC: G09G3/20 ,  G09G3/3233 ,  G09G3/3266

Abstract: A display device includes pixels having different arrangements of subpixels and reducing a color edge. The display device includes a display unit where a plurality of first pixels including subpixels of three colors and second pixels including subpixels of the three colors are alternately arrayed in row and column directions, an arrangement of the subpixels in the first pixel and an arrangement of the subpixels in the second pixel differing from each other, and a luminance allocation unit allocating luminance of a subpixel of a first color among the three colors in the first pixel to a subpixel of the first color in the second pixel adjacent to the first pixel with a predetermined ratio and allocating luminance of the subpixel of the first color in the second pixel to the subpixel of the first color in the first pixel adjacent to the second pixel with a predetermined ratio.

公开(公告)号：US20170061849A1

公开(公告)日：2017-03-02

申请号：US15255377

申请日：2016-09-02

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA ,  Kenichi TAKATORI

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2003 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2310/0283

Abstract: A display device includes pixels having different arrangements of subpixels and reducing a color edge. The display device includes a display unit where a plurality of first pixels including subpixels of three colors and second pixels including subpixels of the three colors are alternately arrayed in row and column directions, an arrangement of the subpixels in the first pixel and an arrangement of the subpixels in the second pixel differing from each other, and a luminance allocation unit allocating luminance of a subpixel of a first color among the three colors in the first pixel to a subpixel of the first color in the second pixel adjacent to the first pixel with a predetermined ratio and allocating luminance of the subpixel of the first color in the second pixel to the subpixel of the first color in the first pixel adjacent to the second pixel with a predetermined ratio.

Abstract translation: 显示装置包括具有不同排列的子像素并减少颜色边缘的像素。 显示装置包括显示单元，其中包括三个子像素的多个第一像素和包括三种颜色的子像素的第二像素在行和列方向上交替排列，第一像素中的子像素的排列和 第二像素中的子像素彼此不同，并且亮度分配单元将第一像素中的三种颜色中的第一颜色的子像素的亮度分配给与第一像素相邻的第二像素中的第一颜色的子像素， 在第二像素中的第一颜色的子像素的亮度以与第二像素相邻的第一像素中的第一颜色的子像素以预定比率分配。

公开(公告)号：US20160247441A1

公开(公告)日：2016-08-25

申请号：US15047771

申请日：2016-02-19

Applicant: NLT TECHNOLOGIES, LTD.

Inventor： Yojiro MATSUEDA ,  Keita HAMADA

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2003 ,  G09G3/2044 ,  G09G3/2059 ,  G09G3/3233 ,  G09G2300/0443 ,  G09G2320/0242 ,  G09G2320/045 ,  G09G2320/0666 ,  G09G2320/103 ,  G09G2340/0457

Abstract: An electro optical device has a pixel array constituted by pixels arranged in matrix, each pixel including four subpixels, the four subpixels including RGB subpixels and a subpixel of a similar color to a specific color among RGB, and the four subpixels being arranged in two rows and two columns. In each pixel, a first subpixel having the highest emission luminance and a second subpixel having the second highest emission luminance among subpixels needed for white display are arranged on one diagonal line of the pixel, and the other subpixels are arranged on the other diagonal line. The electro optical device has a control unit that executes switching between a first driving condition and a second driving condition in accordance with a color of a pixel to be displayed, the first driving condition in which both the subpixel of the specific color and the subpixel of the similar color are driven to emit light with the first luminance ratio, and the second driving condition in which both the subpixels of the specific color and the similar color are driven to emit light with the second luminance ratio.

Abstract translation: 电光器件具有由矩阵排列的像素构成的像素阵列，每个像素包括四个子像素，四个子像素包括RGB子像素和与RGB中的特定颜色相似的子像素，并且四个子像素被布置成两行 和两列。 在每个像素中，在像素的一个对角线上布置具有最高发光亮度的第一子像素和具有白色显示所需的子像素中具有第二高发光亮度的第二子像素，而另一个子像素排列在另一对角线上。 电光装置具有控制单元，其根据要显示的像素的颜色执行第一驱动条件和第二驱动条件之间的切换，第一驱动条件是特定颜色的子像素和子像素的子像素 驱动类似的颜色以第一亮度比发光，并且驱动特定颜色和相似颜色的两个子像素的第二驱动条件以第二亮度比发光。

公开(公告)号：US20170236886A1

公开(公告)日：2017-08-17

申请号：US15433463

申请日：2017-02-15

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3262 ,  H01L27/1214 ,  H01L27/3258 ,  H01L27/3276 ,  H01L27/3279 ,  H01L51/5004 ,  H01L51/5246 ,  H01L2227/323

Abstract: The object is providing an organic light emitting display device achieving a narrow bezel. A display device 10 has a first substrate 11, a second substrate 12, a sealant 25 sealing between the substrates, a display unit 15 including pixel circuits, a driving circuit 20 including a transistor for driving the pixel circuits, a first wiring unit for supplying voltage to the transistor, and a second wiring unit connecting between the transistor and the first wiring unit. The driving circuit 20 is disposed outside the display unit 15, the first wiring unit is disposed between the display unit 15 and the driving circuit 20, the display unit 15 and the first wiring unit are disposed between the first substrate 12 and the second substrate 12, the melting point of a second metal constituting the second wiring unit is higher than that of a first metal constituting the first wiring unit.

公开(公告)号：US20160203748A1

公开(公告)日：2016-07-14

申请号：US14995714

申请日：2016-01-14

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA ,  Kenichi TAKATORI

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G3/2074 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2320/0666 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/3276

Abstract: In a pixel array, pixels are two-dimensionally arranged, each of the pixels including a subpixel of the first color having a highest luminosity factor, a subpixel of the second color and a subpixel of the third color having a lowest luminosity factor. A circuit element in each of subpixels of the first color to the third color in each of the pixels is arranged in a row direction. A light emitting region of a subpixel of the first color and a light emitting region of a subpixel of the second color are arranged in the first direction inclined to the row direction. A light emitting region of a subpixel of the third color is arranged in the second direction orthogonal to the first direction, with respect to the light emitting region of the subpixel of the first color and the light emitting region of the subpixel of the second color.

Abstract translation: 在像素阵列中，像素是二维排列的，每个像素包括具有最高亮度因子的第一颜色的子像素，第二颜色的子像素和具有最低亮度因子的第三颜色的子像素。 在每个像素中的第一颜色到第三颜色的每个子像素中的电路元件被排列成行方向。 第一颜色的子像素的发光区域和第二颜色的子像素的发光区域沿与行方向倾斜的第一方向排列。 第三颜色的子像素的发光区域相对于第一颜色的子像素的发光区域和第二颜色的子像素的发光区域在与第一方向正交的第二方向上排列。

公开(公告)号：US20150311265A1

公开(公告)日：2015-10-29

申请号：US14690673

申请日：2015-04-20

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA ,  Kenichi TAKATORI ,  Yoshihiro NONAKA

IPC: H01L27/32

CPC classification number: H01L27/3218 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3262 ,  H01L51/5256 ,  H01L2227/323 ,  H01L2251/5338

Abstract: There are provided a pixel array, an electro-optic device, and an electric apparatus. A pixel array includes plural pixels each having a rectangular shape and including a first-colored sub-pixel of a first color being the maximum in relative luminosity, a second-colored sub-pixel, and a third-colored sub-pixel of a third color being the minimum in relative luminosity. The third-colored sub-pixel is greater in size than each of the first-colored sub-pixel and the second-colored sub-pixel, and is arranged next to the first-colored sub-pixel and the second-colored sub-pixel. The center of gravity of the first-colored sub-pixel is located nearer to the center of gravity of the pixel than that of the second-colored sub-pixels, and/or the center of gravity of a part of the third-colored sub-pixel at the second-colored-sub-pixel side is located at a shorter distance to the center of gravity of the pixel than that of the other part of the third-colored sub-pixel.

Abstract translation: 提供了像素阵列，电光器件和电气设备。 像素阵列包括多个像素，每个像素具有矩形形状，并且包括相对亮度最大的第一颜色的第一颜色子像素，第二颜色子像素和第三颜色子像素的第三颜色子像素 颜色是相对亮度的最小值。 第三色子像素的尺寸大于第一着色子像素和第二色子像素中的每一个，并且被布置在第一着色子像素和第二着色子像素旁边 。 第一着色子像素的重心位于比第二色子像素靠近像素重心的位置，和/或第三色子像素的一部分的重心 第二色子像素侧的像素位于与第三色子像素的另一部分相比像素重心更短的距离处。

公开(公告)号：US20170316747A1

公开(公告)日：2017-11-02

申请号：US15493458

申请日：2017-04-21

Applicant: NLT Technologies, Ltd.

Inventor： Yojiro MATSUEDA

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2310/0297 ,  G09G2320/0223 ,  G09G2320/0247

Abstract: A display apparatus suppresses flicker, and includes a display part in which a first plurality of main pixels PX1 to PX4 including subpixels R1 to R4, G1 to G4 and B1 to B4 of a first to an N-th color are arrayed in a line, the “N” being an integer larger than 1; and a demultiplexer including distribution units 41-46 distributing a drive signal CKH, driving any one of a plurality of subpixels included in a subpixel group to the one of the plurality of subpixels. The subpixel group includes multiple subpixels SPX1 and SPX2 included in a second plurality of main pixels PX1 and PX3 among the first plurality of main pixels, one or more main pixels being interposed between the second plurality of main pixels, the subpixels SPX1 and SPX 2 being subpixels having the same color to which drive signals of the same polarity are input.

公开(公告)号：US20170186372A1

公开(公告)日：2017-06-29

申请号：US15389673

申请日：2016-12-23

Applicant: NLT TECHNOLOGIES, LTD.

Inventor： Jiro YANASE ,  Yojiro MATSUEDA ,  Yoshihiro NONAKA

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0233

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.