公开(公告)号：US09208721B2

公开(公告)日：2015-12-08

申请号：US13621351

申请日：2012-09-17

Applicant: JOLED INC.

Inventor： Rie Odawara ,  Yasuo Segawa

IPC: H05B33/10 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2360/145 ,  G09G2360/147

Abstract: A method of fabricating an organic EL display apparatus includes: obtaining a representative current (I)-voltage (V) characteristic of a display panel including pixels each having an organic EL device and a driving transistor; dividing the display panel into a plurality of divided regions, and calculating a light-emitting efficiency and a light-emission starting current value for each of the divided regions calculated by a luminance (L)-I characteristic of the divided region; measuring luminance of light emitted from each of the pixels and calculating an L-V characteristic of each of the pixels; calculating an I-V characteristic of each pixel by dividing each luminance value of the L-V characteristic calculated for the pixel by light-emitting efficiency, and by adding a light-emission starting current value; and calculating a correction parameter for each pixel such that the I-V characteristic of each pixel is corrected to the representative I-V characteristic.

Abstract translation: 一种制造有机EL显示装置的方法包括：获得包括各自具有有机EL器件和驱动晶体管的像素的显示面板的代表性电流（I） - 电压（V）特性; 将所述显示面板分割为多个分割区域，并且计算由所述分割区域的亮度（L）-I特性计算的每个所述分割区域的发光效率和发光开始电流值; 测量从每个像素发射的光的亮度，并计算每个像素的L-V特性; 通过将针对像素计算的L-V特性的每个亮度值除以发光效率，并通过加上发光起始电流值来计算每个像素的I-V特性; 并计算每个像素的校正参数，使得每个像素的I-V特性被校正为代表性的I-V特性。

公开(公告)号：US09322707B2

公开(公告)日：2016-04-26

申请号：US13688352

申请日：2012-11-29

Applicant: JOLED INC.

Inventor： Yasunori Negoro ,  Yasuo Segawa

IPC: G01J1/04 ,  G01J1/42 ,  H01J9/42 ,  H01J11/00 ,  G01M11/02 ,  G02F1/13

CPC classification number: G01J1/42 ,  G01J1/04 ,  G01J1/0411 ,  G01J1/4228 ,  G01M11/02 ,  G02F1/1309 ,  H01J9/42 ,  H01J11/00

Abstract: Disclosed is a method for measuring luminance of each of entire pixels two-dimensionally arranged in a light-emitting display panel at regular intervals, using an image sensor in which light receiving elements are two-dimensionally arranged at regular intervals, the method including: providing an optical lens between the light-emitting display panel and the image sensor, and adjusting distances between the light-emitting display panel, the image sensor, and the optical lens by setting intervals of images of the entire pixels to be N times as large as intervals of the light receiving pixels, where N is a natural number, the images being to be formed on a light receiving surface of the image sensor through the optical lens; displaying, on the light-emitting display panel, a display pattern in which predetermined pixels from among the entire pixels produce a luminescence; and measuring the luminance of the predetermined pixels, using the light receiving elements.

Abstract translation: 本发明公开了一种使用以规则间隔二维排列光接收元件的图像传感器，以规则的间隔测量二维排列在发光显示面板中的整个像素的亮度的方法，所述方法包括：提供 在发光显示面板和图像传感器之间的光学透镜，并且通过将整个像素的图像的间隔设置为N倍的N倍，来调整发光显示面板，图像传感器和光学透镜之间的距离 其中N是自然数的光接收像素的间隔，图像将通过光学透镜形成在图像传感器的光接收表面上; 在发光显示面板上显示其中整个像素中的预定像素产生发光的显示图案; 并使用光接收元件测量预定像素的亮度。

公开(公告)号：US09202412B2

公开(公告)日：2015-12-01

申请号：US13621397

申请日：2012-09-17

Applicant: JOLED INC.

Inventor： Rie Odawara ,  Yasuo Segawa

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2360/145 ,  G09G2360/147

Abstract: A method of fabricating an organic EL display apparatus includes: obtaining a representative current (I)-voltage (V) characteristic of a display panel including pixels each having an organic EL device and a driving transistor; dividing the display panel into a plurality of divided regions, and calculating a light-emitting efficiency and an offset luminance value for each of the divided regions calculated by an I-luminance (L) characteristic of the divided region; measuring luminance of light emitted from each of the pixels and calculating an L-V characteristic of each of the pixels; calculating an L-V characteristic of each divided region by dividing each current value of the representative I-V characteristic by light-emitting efficiency, and by adding an offset luminance value; and calculating a correction parameter for each pixel such that the L-V characteristic of each pixel is corrected to the L-V characteristic of the divided region including the pixel.

Abstract translation: 一种制造有机EL显示装置的方法包括：获得包括各自具有有机EL器件和驱动晶体管的像素的显示面板的代表性电流（I） - 电压（V）特性; 将所述显示面板划分为多个分割区域，并且计算由所述分割区域的I亮度（L）特性计算的每个所述分割区域的发光效率和偏移亮度值; 测量从每个像素发射的光的亮度，并计算每个像素的L-V特性; 通过将代表性的I-V特性的每个电流值除以发光效率，并通过加上偏移亮度值来计算每个划分区域的L-V特性; 并且计算每个像素的校正参数，使得每个像素的L-V特性被校正为包括像素的分割区域的L-V特性。

公开(公告)号：US09105231B2

公开(公告)日：2015-08-11

申请号：US13768334

申请日：2013-02-15

Applicant: JOLED INC.

Inventor： Kouhei Ebisuno ,  Toshiyuki Kato ,  Yasuo Segawa ,  Shinya Ono ,  Yosuke Izawa ,  Takashi Osako

IPC: G06F3/038 ,  G09G5/00 ,  G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/064 ,  G09G2330/021 ,  G09G2330/12

Abstract: A display device includes: a power supplying unit which outputs at least one of a high-side output potential and a low-side output potential; a display unit in which pixels are arranged in a matrix and which receives power supply from the power supplying unit; a monitor wire arranged along a column direction of the pixels in the matrix, which has one end connected to at least one pixel inside the display unit, and is for transmitting the high-side potential to be applied to the pixel; and a voltage regulating unit connected to the other end of the monitor wire, which regulates at least one of the high-side output potential and the low-side output potential to be outputted by the power supplying unit, to set a potential difference between the high-side potential and the low-side potential to a predetermined potential difference.

Abstract translation: 显示装置包括：输出高侧输出电位和低侧输出电位中的至少一个的供电单元; 像素以矩阵形式布置并从电力供给单元接收电力的显示单元; 沿着矩阵中的像素的列方向布置的监视器线，其一端连接到显示单元内的至少一个像素，并且用于发送要施加到像素的高侧电位; 以及电压调节单元，其连接到所述监视器线的另一端，其调节要由所述供电单元输出的所述高侧输出电位和所述低侧输出电位中的至少一个，以设定所述电源 高侧电位和低侧电位达到预定电位差。