公开(公告)号：US09275572B2

公开(公告)日：2016-03-01

申请号：US13467462

申请日：2012-05-09

申请人： Yosuke Izawa ,  Toshiyuki Kato ,  Kouhei Ebisuno ,  Shinya Ono ,  Tetsurou Nakamura

发明人： Yosuke Izawa ,  Toshiyuki Kato ,  Kouhei Ebisuno ,  Shinya Ono ,  Tetsurou Nakamura

IPC分类号： G09G3/30 ,  G09G5/00 ,  G09G3/32

CPC分类号： G09G3/3208 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2330/02 ,  G09G2330/021 ,  G09G2360/16

摘要： Display device includes: a power supplying unit which outputs at least a high-side or low-side output potential; an organic EL display unit which includes pixels and receives power supply from the power supplying unit; two or more detecting lines for transmitting a high-side or low-side applied potential applied to two or more pixels; a relay unit which outputs the high-side or low-side applied potentials transmitted by the detecting lines, to output lines fewer in number than the detecting lines; and a regulating unit which regulates at least the high-side or low-side output potential to be outputted by the power supplying unit, such that any one of potential difference between a reference potential and the high-side applied potential from the relay unit, potential difference between the reference potential and the low-side applied potential, and potential difference between the high-side applied potential and the low-side applied potential reaches a predetermined potential difference.

摘要翻译： 显示装置包括：至少输出高侧或低侧输出电位的供电单元; 有机EL显示单元，其包括像素并从所述供电单元接收电力供应; 用于发送施加到两个或更多像素的高侧或低侧施加电位的两条或更多条检测线; 将由检测线发送的高侧或低侧施加电位输出到比检测线少的输出线的中继单元; 以及调节单元，其至少调节由所述供电单元输出的所述高侧或低侧输出电位，使得来自所述中继单元的参考电位和所述高侧施加电位之间的电位差中的任一个， 参考电位和低侧施加电位之间的电位差以及高侧施加电位和低侧施加电位之间的电位差达到预定电位差。

公开(公告)号：US08749457B2

公开(公告)日：2014-06-10

申请号：US13403489

申请日：2012-02-23

申请人： Yasuo Segawa ,  Tetsurou Nakamura ,  Shinya Ono

发明人： Yasuo Segawa ,  Tetsurou Nakamura ,  Shinya Ono

IPC分类号： G09G3/32

CPC分类号： G09G3/006 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/0673 ,  G09G2360/145 ,  G09G2360/16

摘要： A method of manufacturing an organic electroluminescence display includes preparing a substrate including pixels. The pixels each include a drive transistor and a capacitor. The capacitor of a subject pixel is caused to hold a voltage which corresponds to a threshold voltage of the drive transistor, and the voltage is read. A first signal voltage is obtained by adding a first correction parameter of the subject pixel to a second signal voltage corresponding to a single gradation level belonging to an intermediate gradation region or a high gradation region of representative voltage-luminance characteristics. The first signal voltage is applied to the driver of the subject pixel, and a luminance emitted by the subject pixel is measured. A second correction parameter with which the luminance emitted by the subject pixel becomes a standard luminance is calculated.

摘要翻译： 制造有机电致发光显示器的方法包括制备包括像素的衬底。 像素各自包括驱动晶体管和电容器。 使被摄体像素的电容器保持与驱动晶体管的阈值电压对应的电压，并读取电压。 通过将对象像素的第一校正参数与对应于属于代表性电压 - 亮度特性的中间灰度区域或高灰度区域的单个灰度级相对应的第二信号电压来获得第一信号电压。 将第一信号电压施加到被摄体像素的驱动器，并且测量由被摄体像素发射的亮度。 计算由被摄体像素发出的亮度成为标准亮度的第二校正参数。

公开(公告)号：US08830148B2

公开(公告)日：2014-09-09

申请号：US13403375

申请日：2012-02-23

申请人： Yasuo Segawa ,  Tetsurou Nakamura ,  Shinya Ono

发明人： Yasuo Segawa ,  Tetsurou Nakamura ,  Shinya Ono

IPC分类号： G09G3/32 ,  H01L27/32

CPC分类号： H01L27/3276 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/043 ,  G09G2360/147 ,  H01L27/3265

摘要： An organic electroluminescence display device includes a display panel including pixels. The pixels each include a light-emitter, driver and capacitor. A storage is configured to store a correction parameter for each of the pixels for correcting, in accordance with characteristics of each of the pixels, an image signal input from an external source. A controller is configured to, for each pixel of the pixels, obtain a corrected signal voltage by reading the correction parameter corresponding to the pixel from the storage and multiplying the image signal corresponding to the pixel by the correction parameter corresponding to the pixel. The storage is configured to store a gain and not an offset as the correction parameter.

摘要翻译： 有机电致发光显示装置包括具有像素的显示面板。 像素各自包括发光器，驱动器和电容器。 存储器被配置为存储用于每个像素的校正参数，以根据每个像素的特性来校正从外部源输入的图像信号。 控制器被配置为，对于像素的每个像素，通过从存储器读取与像素相对应的校正参数来获得校正的信号电压，并将与像素相对应的图像信号乘以与像素对应的校正参数。 存储器被配置为存储增益而不是偏移量作为校正参数。

公开(公告)号：US20090316230A1

公开(公告)日：2009-12-24

申请号：US11915867

申请日：2006-05-25

申请人： Tetsurou Nakamura ,  Yuuji Toyomura

发明人： Tetsurou Nakamura ,  Yuuji Toyomura

IPC分类号： H04N1/04

CPC分类号： B41J2/45

摘要： An exposure apparatus for an image forming apparatus is provided, the exposure apparatus being downsized by reducing the substrate on which a row of light emitting elements are provided in size in the sub-scanning direction. The exposure apparatus comprises a glass substrate, a row of light emitting elements constituted by multiple organic EL elements on the glass substrate, and a drive control unit for receiving from outside the glass substrate control signals for driving the organic EL elements and controlling the drive of the light emitting elements based on the control signals, wherein the drive control unit is at least partly placed on the extended line of the row of light emitting elements.

摘要翻译： 提供了一种用于图像形成装置的曝光装置，通过在副扫描方向上减小设置有一排发光元件的基板来减小曝光装置的尺寸。 曝光装置包括玻璃基板，由玻璃基板上的多个有机EL元件构成的一排发光元件，以及用于从玻璃基板的外部接收用于驱动有机EL元件的控制信号并控制驱动的驱动控制单元 基于控制信号的发光元件，其中驱动控制单元至少部分地放置在该行发光元件的延伸线上。

公开(公告)号：US20090251675A1

公开(公告)日：2009-10-08

申请号：US11996197

申请日：2006-07-13

申请人： Kenichi Masumoto ,  Tetsurou Nakamura ,  Kei Sakanoue

发明人： Kenichi Masumoto ,  Tetsurou Nakamura ,  Kei Sakanoue

IPC分类号： G03B27/72

CPC分类号： B41J2/45 ,  H01L27/326 ,  H01L27/3262 ,  H04N1/40031

摘要： In an exposure device having tiny light emitting elements aligned, a space required for drive circuits and wires is secured without affecting the size or alignment of the light emitting elements for arrangement and wiring of the drive circuits. In this exposure device, the drive circuits are separately arranged outside the column formed by the multiple organic EL elements, and, the length of the region occupied by the circuit exceeds one pitch in the alignment of the organic EL elements, and, the multiple drive circuits are arranged along the column.

摘要翻译： 在具有微小发光元件对准的曝光装置中，确保驱动电路和电线所需的空间，而不影响用于驱动电路的布置和布线的发光元件的尺寸或对准。 在该曝光装置中，驱动电路分别配置在由多个有机EL元件形成的列的外侧，并且在有机EL元件的排列中，由电路占据的区域的长度超过一个间距，并且多个驱动 电路沿着列排列。

公开(公告)号：US08456389B2

公开(公告)日：2013-06-04

申请号：US12762699

申请日：2010-04-19

申请人： Kenichi Masumoto ,  Tetsurou Nakamura

发明人： Kenichi Masumoto ,  Tetsurou Nakamura

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2310/0256 ,  G09G2310/0262 ,  G09G2330/021 ,  G09G2330/04 ,  G09G2360/16 ,  H05B33/0896

摘要： A display device includes a luminescence element. A power line provides the luminescence element with an electric current. A capacitor accumulates a driving voltage corresponding to a data voltage. A driver flows the electric current according to the driving voltage accumulated in the capacitor through the luminescence element via the power line. A controller is configured to set a reverse bias voltage and an application time period according to an amount of luminescence produced by the luminescence element, and to determine luminance levels in luminescence periods. The controller sets the reverse bias voltage and the application time period according to a peak luminance of the luminance levels when a difference between the peak luminance and an average luminance of the luminance levels exceeds a predetermined threshold, and applies the reverse bias voltage for the application time period within an OFF period of the data voltage for removing an electric charge accumulated in the luminescence element. The OFF period is within one of the luminescence periods.

摘要翻译： 显示装置包括发光元件。 电力线为发光元件提供电流。 电容器累积对应于数据电压的驱动电压。 驱动器通过电源线通过发光元件根据累积在电容器中的驱动电压来流动电流。 控制器被配置为根据由发光元件产生的发光量设置反向偏置电压和施加时间周期，并且确定发光周期中的亮度水平。 控制器根据峰值亮度和亮度等级的平均亮度之间的差异超过预定阈值时的亮度等级的峰值亮度来设定反向偏置电压和施加时间周期，并对该应用施加反向偏置电压 用于去除累积在发光元件中的电荷的数据电压的OFF周期内的时间段。 OFF周期在发光周期之一内。

公开(公告)号：US08089477B2

公开(公告)日：2012-01-03

申请号：US12797150

申请日：2010-06-09

申请人： Hiroshi Shirouzu ,  Tetsurou Nakamura

发明人： Hiroshi Shirouzu ,  Tetsurou Nakamura

IPC分类号： G06F3/038 ,  G09G5/00

CPC分类号： G09G3/3291 ,  G09G3/3233 ,  G09G2310/0248

摘要： A display device is provided which includes a luminescence element, a data line, and a switch connected between an electrode of the luminescence element and the data line. A voltage generation circuit supplies a pre-charge voltage to the data line. A current generation circuit supplies an inspection current to the electrode of the luminescence element plural times through the data line and the switch. A voltage detection circuit detects, the plural times, voltage values of the electrode supplied with the inspection current. When a difference between the voltage values is at least a predetermined value, the voltage generation circuit supplies the data line with an updated voltage that is higher than the pre-charge voltage.

摘要翻译： 提供一种显示装置，其包括发光元件，数据线以及连接在发光元件的电极与数据线之间的开关。 电压产生电路向数据线提供预充电电压。 电流产生电路通过数据线和开关多次向发光元件的电极提供检查电流。 电压检测电路检测提供有检查电流的电极的多次电压值。 当电压值之间的差值至少为预定值时，电压产生电路以高于预充电电压的更新电压来提供数据线。

公开(公告)号：US07504616B2

公开(公告)日：2009-03-17

申请号：US11697555

申请日：2007-04-06

申请人： Tetsurou Nakamura ,  Hiroshi Shirouzu ,  Takafumi Hamano ,  Shinya Yamamoto

发明人： Tetsurou Nakamura ,  Hiroshi Shirouzu ,  Takafumi Hamano ,  Shinya Yamamoto

IPC分类号： H01L27/15 ,  H04N1/031

CPC分类号： B41J2/45 ,  H01L27/3269

摘要： To provide an exposure device and an image forming apparatus using the same, in which the exposure device can detect light intensity with improved reliability and thereby controls the light intensity with high precision, the exposure device includes an EL (electro-luminescence) element having a first electrode (an anode), a second electrode (a cathode), and a light emitting layer disposed between the first and second electrodes, thereby forming a light emitting unit, and a light detecting element detecting light emitted from the EL element, in which the EL element and the light detecting element are stacked onto each other. The light detecting element is provided at an inner side of a principal surface of the electrode (the anode) which is disposed closer to the light detecting element than the other electrode. A light emitting area of the EL element is provided at an inner side of a principal surface of the light detecting element.

摘要翻译： 为了提供一种曝光装置和使用该曝光装置的图像形成装置，其中曝光装置可以以可靠性提高的方式检测光强度，从而以高精度控制光强度，曝光装置包括具有 第一电极（阳极），第二电极（阴极）和设置在第一和第二电极之间的发光层，从而形成发光单元，以及光检测元件，其检测从EL元件发射的光，其中 EL元件和光检测元件彼此堆叠。 光检测元件设置在比另一个电极更靠近光检测元件的电极（阳极）的主表面的内侧。 EL元件的发光区域设置在光检测元件的主表面的内侧。

公开(公告)号：US08547307B2

公开(公告)日：2013-10-01

申请号：US12771514

申请日：2010-04-30

申请人： Hiroshi Shirouzu ,  Tetsurou Nakamura

发明人： Hiroshi Shirouzu ,  Tetsurou Nakamura

IPC分类号： G09G3/30

CPC分类号： G09G3/30 ,  G09G3/006 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/12

摘要： A display device includes an organic EL element and a capacitor. A driving transistor is connected to an anode of the organic EL element and passes a current to the organic EL element. The current corresponds to a voltage held in the capacitor. A first switch is between the capacitor and a data line, and the data line supplies the voltage to the capacitor. A voltage detector is connected to the data line for detecting an anode voltage applied to the organic EL element. A second switch is between the anode and the data line. A controller turns on the first switch, causes the organic EL element to emit light, and causes the voltage detector to detect the anode voltage by turning off the first switch and turning on the second switch while the organic EL element is emitting light.

摘要翻译： 显示装置包括有机EL元件和电容器。 驱动晶体管连接到有机EL元件的阳极，并将电流传递到有机EL元件。 电流对应于保持在电容器中的电压。 第一个开关在电容器和数据线之间，数据线将电压提供给电容器。 电压检测器连接到数据线，用于检测施加到有机EL元件的阳极电压。 第二个开关在阳极和数据线之间。 控制器接通第一开关，使有机EL元件发光，并且通过在有机EL元件发光的同时关闭第一开关并接通第二开关来使电压检测器检测阳极电压。

公开(公告)号：US20090003882A1

公开(公告)日：2009-01-01

申请号：US11571032

申请日：2006-04-20

申请人： Tetsurou Nakamura ,  Yuuji Toyomura

发明人： Tetsurou Nakamura ,  Yuuji Toyomura

IPC分类号： G03G15/04 ,  H01J1/63 ,  B05D5/12

CPC分类号： B41J2/45 ,  H01L27/3246 ,  H01L51/0005 ,  H01L51/56

摘要： An insulator (12), which is provided between a lower electrode (11) by patterning a substrate and a counter electrode (15), defines a light emitting area by covering on ends of the lower electrode (11). The light emitting area (13) has a shape of which edges in a first direction of the substrate are defined by at least the insulator (12) and other edges in a second direction on the substrate different from the first direction are defined by one of the lower electrode (11) and the counter electrode (15). A plurality of the light emitting elements is placed independent electrically in the second direction on the substrate, whereby a light emitting array and an exposure apparatus is formed.

摘要翻译： 通过图案化衬底在下电极（11）和对电极（15）之间设置的绝缘体（12）通过覆盖在下电极（11）的端部来限定发光区域。 发光区域（13）具有如下形状：基板的第一方向上的边缘至少由绝缘体（12）限定，并且在与第一方向不同的基板上的第二方向上的其他边缘由 下电极（11）和对置电极（15）。 多个发光元件在基板上沿第二方向独立地放置，由此形成发光阵列和曝光装置。