公开(公告)号：US20150154933A1

公开(公告)日：2015-06-04

申请号：US14324024

申请日：2014-07-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong-Kon Bae ,  Soo-Hyung Kim ,  Yong-Man Lee ,  Sung-Dae Cho ,  Seok-Jin Han

IPC: G09G5/00 ,  G09G5/02 ,  G06T5/00

CPC classification number: G09G5/00 ,  G09G3/2003 ,  G09G3/3208 ,  G09G3/3611 ,  G09G5/02 ,  G09G2330/08 ,  G09G2330/10 ,  G09G2360/147

Abstract: Provided is a method for compensating for a defective pixel of a display. The method includes identifying at least one of a plurality of pixels of a display as a defective pixel and compensating for a function of the defective pixel by using at least one pixel from a first pixel group located in a first partial region corresponding to the defective pixel and a second pixel group located in a second partial region located adjacent to the first partial region among a plurality of partial regions, each partial region comprising some adjacent pixels among the plurality of pixels.

Abstract translation: 提供了一种用于补偿显示器的缺陷像素的方法。 该方法包括将显示器的多个像素中的至少一个识别为缺陷像素，并通过使用位于与缺陷像素对应的第一部分区域中的第一像素组中的至少一个像素来补偿缺陷像素的功能 以及位于与多个部分区域中的第一部分区域相邻的第二部分区域中的第二像素组，每个部分区域包括多个像素之中的一些相邻像素。

公开(公告)号：US20150070257A1

公开(公告)日：2015-03-12

申请号：US14019923

申请日：2013-09-06

Applicant: International Business Machines Corporation

Inventor： Keith M. Campbell ,  William M. Megarity ,  Luke D. Remis ,  Gregory D. Sellman ,  Christopher L. Wood

IPC: G09G3/34 ,  G09G3/36

CPC classification number: G09G3/3406 ,  G09G3/006 ,  G09G3/3611 ,  G09G3/3648 ,  G09G2320/0285 ,  G09G2360/147

Abstract: A computer program product (CPP) for controlling a liquid crystal display (LCD) includes code for applying a test voltage to each liquid crystal element (LCE) disposed in an addressable array forming the LCD, and code for detecting an amount of light received by photosensors while applying the test voltage applied to the LCEs, wherein each photosensor is aligned behind and logically associated with one of the LCEs. The CPP further includes code for applying selected voltage levels to each LCE to display an image, and code for controlling an amount of backlight produced by backlighting elements in an addressable array while the image is displayed. Each backlighting element is aligned behind and logically associated with one LCE, and at least one backlighting element is controlled to compensate for a difference between the amount of light detected by the photosensor logically associated with at least one LCE and the other photosensors.

Abstract translation: 用于控制液晶显示器（LCD）的计算机程序产品（CPP）包括用于对设置在形成LCD的可寻址阵列中的每个液晶元件（LCE）施加测试电压的代码，以及用于检测由 同时施加施加到LCE的测试电压的光电传感器，其中每个光电传感器在后面对准并且与LCE之一逻辑关联。 CPP还包括用于对每个LCE施加选择的电压电平以显示图像的代码，以及用于在显示图像时控制由可寻址阵列中的背光元件产生的背光量的代码。 每个背光元件在一个LCE之后对准并在逻辑上相关联，并且至少一个背光元件被控制以补偿由与至少一个LCE和其它光电传感器逻辑关联的光电传感器检测到的光量之间的差异。

公开(公告)号：US08872737B2

公开(公告)日：2014-10-28

申请号：US12483049

申请日：2009-06-11

Applicant: Kyoung-Ju Shin ,  Chong-Chul Chai ,  Joon-Chul Goh

Inventor： Kyoung-Ju Shin ,  Chong-Chul Chai ,  Joon-Chul Goh

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3208 ,  G09G3/2092 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2320/0693 ,  G09G2360/147 ,  G09G2360/16

Abstract: An organic light emitting device including a display panel including a plurality of pixels respectively including a driving transistor and an organic light emitting element; a driving unit to supply a driving signal to the display panel; a signal controller to control the driving unit; a signal modification unit to modify an input image signal based on modification information to generate a modified image signal; and a modification controller to generate and provide the modification information to the signal modification unit. The signal modification unit includes a first modification unit to convert the input image signal into a first modified signal according to first modification information generated based on a characteristic deviation of the driving transistor, and a second modification unit to convert the first modified signal into a second modified signal according to second modification information generated based on a characteristic deviation of the organic light emitting element.

Abstract translation: 一种有机发光器件，包括：显示面板，包括分别包括驱动晶体管和有机发光元件的多个像素; 驱动单元，用于向显示面板提供驱动信号; 控制驱动单元的信号控制器; 信号修改单元，用于基于修改信息修改输入图像信号，以生成修改后的图像信号; 以及修改控制器，用于生成并向信号修改单元提供修改信息。 信号修正单元包括：第一修改单元，用于根据基于驱动晶体管的特性偏差产生的第一修改信息将输入图像信号转换为第一修改信号;以及第二修改单元，用于将第一修改信号转换为第二修改信号 根据基于有机发光元件的特性偏差产生的第二修改信息，修改信号。

公开(公告)号：US08866407B2

公开(公告)日：2014-10-21

申请号：US13213395

申请日：2011-08-19

Applicant: Kei Takahashi

Inventor： Kei Takahashi

IPC: H05B39/04 ,  H05B37/00 ,  G09G3/20 ,  G09G3/34 ,  H01L51/50 ,  H05B37/02

CPC classification number: G09G3/20 ,  G09G3/3225 ,  G09G3/34 ,  G09G2320/041 ,  G09G2320/043 ,  G09G2330/00 ,  G09G2360/147 ,  H01L51/50 ,  H05B37/02 ,  Y02B20/42

Abstract: A lighting device whose power conversion efficiency is improved by suppression of fluctuation in luminance of a light-emitting element and deterioration of the light-emitting element due to a change in temperature and a change over time and whose power consumption is reduced is provided. The disclosed invention is a lighting device that has a function of correcting a change in temperature and a change over time and includes at least one switching regulator in a driver portion. Constant current drive is performed on light-emitting elements and monitor light-emitting elements are used, so that highly-efficient output voltage which is corrected to have an optimal level is applied to the light-emitting elements and stable drive is performed for a long time. Power conversion efficiency is improved by a switching regulator, so that the total power consumption of the lighting device is reduced.

Abstract translation: 提供了通过抑制发光元件的亮度波动并且由于温度变化和随时间的变化以及其功耗降低而导致的发光元件的劣化而提高了功率转换效率的照明装置。 所公开的发明是具有校正温度变化和随时间变化的功能的照明装置，并且在驱动器部分中包括至少一个开关调节器。 在发光元件上进行恒流驱动，并且使用监视器发光元件，从而将被校正为具有最佳电平的高效输出电压施加到发光元件，并且执行稳定的驱动 时间。 通过开关调节器改善电力转换效率，从而降低照明装置的总功耗。

公开(公告)号：US20140232758A1

公开(公告)日：2014-08-21

申请号：US14182530

申请日：2014-02-18

Applicant: Sony Corporation

Inventor： Junichi Yamashita ,  Katsuhide Uchino

IPC: G09G3/30

CPC classification number: G09G3/30 ,  G09G3/3233 ,  G09G2320/045 ,  G09G2320/046 ,  G09G2360/145 ,  G09G2360/147

Abstract: A display device includes: a screen unit; a drive unit; a signal processing unit; and a selector, wherein the screen unit includes rows of scanning lines, columns of signal lines, matrix-state pixel circuits and a light sensor, the drive unit includes a scanner supplying a control signal to the scanning lines and a driver supplying a video signal to the signal lines, the screen unit is sectioned into plural regions each having plural pixel circuits, the pixel circuit emits light in accordance with the video signal, the light sensor is arranged with respect to each region and outputs a luminance signal in accordance with the light emission, the selector supplies plural luminance signals to the signal processing unit by switching the signals, and the signal processing unit corrects the video signal in accordance with the luminance signals and supplies the video signal to the driver.

Abstract translation: 显示装置包括：屏幕单元; 驱动单元; 信号处理单元; 以及选择器，其中所述屏幕单元包括行扫描线，信号线列，矩阵状态像素电路和光传感器，所述驱动单元包括向扫描线提供控制信号的扫描器和提供视频信号的驱动器 对于信号线，将屏幕单元分割成具有多个像素电路的多个区域，像素电路根据视频信号发光，对于每个区域布置光传感器，并根据该信号输出亮度信号 通过切换信号，选择器向信号处理单元提供多个亮度信号，并且信号处理单元根据亮度信号校正视频信号并将视频信号提供给驱动器。

公开(公告)号：US20140132778A1

公开(公告)日：2014-05-15

申请号：US14161121

申请日：2014-01-22

Applicant: RAH COLOR TECHNOLOGIES LLC

Inventor： RICHARD A. HOLUB

IPC: H04N17/02

CPC classification number: H04N9/735 ,  G01J3/02 ,  G01J3/0202 ,  G01J3/0218 ,  G01J3/0262 ,  G01J3/0264 ,  G01J3/0272 ,  G01J3/0289 ,  G01J3/0291 ,  G01J3/18 ,  G01J3/28 ,  G01J3/462 ,  G01J3/463 ,  G01J3/50 ,  G01J3/506 ,  G01J2003/2866 ,  G01J2003/466 ,  G01N21/274 ,  G03B27/547 ,  G06T7/80 ,  G06T7/90 ,  G06T2207/10024 ,  G06T2207/20072 ,  G09G3/3413 ,  G09G5/02 ,  G09G2320/0285 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2320/0693 ,  G09G2330/021 ,  G09G2360/144 ,  G09G2360/147 ,  H04N1/6033 ,  H04N1/6052 ,  H04N9/09 ,  H04N9/12 ,  H04N9/3182 ,  H04N9/3194 ,  H04N9/68 ,  H04N9/73 ,  H04N17/02 ,  H04N17/045

Abstract: Color calibration of color image rendering devices, such as large color displays, which operate by either projection or emission of images, utilize internal color measurement instrument or external color measurement modules locatable on a wall or speaker. A dual use camera is provided for a portable or laptop computer, or a cellular phone, handset, personal digital assistant or other handheld device with a digital camera, in which one of the camera or a display is movable with respect to the other to enable the camera in a first mode to capture images of the display for enabling calibration of the display, and in a second mode for capturing image other than of the display. The displays may represent rendering devices for enabling virtual proofing in a network, or may be part of stand-alone systems and apparatuses for color calibration. Improved calibration is also provided for sensing and correcting for non-uniformities of rendering devices, such as color displays, printer, presses, or other color image rendering device.

Abstract translation: 彩色图像渲染设备的颜色校准，例如通过投影或发射图像进行操作的大型彩色显示器，可利用位于墙壁或扬声器上的内部颜色测量仪器或外部颜色测量模块。 提供了一种用于便携式或膝上型计算机或具有数字照相机的便携式电话，手机，个人数字助理或其他手持设备的双用途照相机，其中照相机或显示器中的一个相对于另一个可移动以使得能够 所述相机处于第一模式以捕获所述显示器的图像，以使得能够校准所述显示器，以及用于捕获除了所述显示器之外的图像的第二模式。 显示器可以表示用于在网络中启用虚拟打样的渲染设备，或者可以是用于颜色校准的独立系统和设备的一部分。 还提供了改进的校准以用于感测和校正诸如彩色显示器，打印机，印刷机或其它彩色图像渲染装置之类的再现装置的不均匀性。

公开(公告)号：US20140118558A1

公开(公告)日：2014-05-01

申请号：US14059644

申请日：2013-10-22

Applicant: IIX INC.

Inventor： Masayoshi IMOTO ,  Hiroshi MURASE

IPC: H04N17/00

CPC classification number: H04N17/00 ,  G09G3/006 ,  G09G3/3208 ,  G09G2320/0233 ,  G09G2360/147

Abstract: Provided is an image quality adjustment apparatus that can measure display unevenness for each pixel with higher accuracy than in the conventional art. An image quality adjustment system includes an image quality adjustment apparatus that generates correction data corresponding to a display panel, a test pattern generation device that causes the display panel to display a test pattern image, and a ROM writer. The image quality adjustment apparatus measures unevenness based on images of a display state of the display panel that are captured using cameras, and generates correction data for correcting the display unevenness that occurs due to manufacturing variations of the display panel. A feature of the present invention is that the image quality adjustment apparatus includes a plurality of cameras, and an image of a single display panel is captured using the plurality of cameras to obtain unevenness data of the display panel.

Abstract translation: 提供了一种图像质量调节装置，其能够比现有技术更高精度地测量每个像素的显示不均匀性。 图像质量调整系统包括产生与显示面板对应的校正数据的图像质量调整装置，使显示面板显示测试图案图像的测试图案生成装置和ROM写入器。 图像质量调整装置基于使用照相机拍摄的显示面板的显示状态的图像来测量不均匀性，并且生成用于校正由于显示面板的制造变化而发生的显示不均匀的校正数据。 本发明的特征在于，图像质量调整装置包括多个摄像机，并且使用多个摄像机捕获单个显示面板的图像，以获得显示面板的不均匀性数据。

公开(公告)号：US08687874B2

公开(公告)日：2014-04-01

申请号：US13659084

申请日：2012-10-24

Applicant: Panasonic Corporation

Inventor： Tomomi Hiraoka

IPC: G06K9/62 ,  G09G3/00 ,  H01L51/56

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G2310/0256 ,  G09G2360/147 ,  H01L51/56 ,  H01L2251/568

Abstract: A method of inspecting an organic electroluminescence (EL) display device which includes pixels each of which includes an organic electroluminescence (EL) element includes: imaging the pixels for a predetermined time with a reverse bias voltage being applied to the pixels; identifying light emitting points which produce, in the imaging, light leakage that is greater than or equal to threshold intensity, the light emitting points being located within the pixels; and determining that a pixel including one light emitting point is a defective pixel when, after plural iterations of the imaging and the identifying, the light emitting point is identified in twice or more in the plural iterations of the identifying.

Abstract translation: 一种检查有机电致发光（EL）显示装置的方法，该有机电致发光（EL）显示装置包括各自包括有机电致发光（EL））元件的像素，包括：以对像素施加的反向偏置电压对像素进行成像预定时间; 识别在成像中产生大于或等于阈值强度的光泄漏的发光点，所述发光点位于所述像素内; 并且当在所述识别的所述多次迭代中，在所述成像和所述识别的多次迭代之后，在所述发光点被识别为两次或更多次时，确定包括一个发光点的像素是缺陷像素。

公开(公告)号：US20140043218A1

公开(公告)日：2014-02-13

申请号：US14057005

申请日：2013-10-18

Applicant: Sony Corporation

Inventor： Junichi Yamashita ,  Takao Tanikame ,  Katsuhide Uchino

IPC: G09G3/30

CPC classification number: G09G3/3233 ,  G09G3/30 ,  G09G2300/0408 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2360/147

Abstract: A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning.

Abstract translation: 公开了一种显示装置。 显示装置包括：像素阵列单元和驱动像素阵列单元的驱动单元。 像素阵列单元包括第一扫描线和第二扫描线的行，信号列，布置在扫描线和信号线彼此交叉的部分处的矩阵状态的像素，以及向各个像素供电的电源线和地线 。 所述驱动单元包括：第一扫描器，通过向每个第一扫描行依次提供第一控制信号，按顺序向每一行执行对每个行的像素的行顺序扫描，第二扫描器依次向每个第二扫描行提供第二控制信号，以对应于 行顺序扫描和信号选择器，将视频信号提供给信号行的行以便对应于行顺序扫描。

公开(公告)号：US20130328755A1

公开(公告)日：2013-12-12

申请号：US13601516

申请日：2012-08-31

Applicant: Ahmad Al-Dahle ,  David A. Stronks ,  Hopil Bae

Inventor： Ahmad Al-Dahle ,  David A. Stronks ,  Hopil Bae

IPC: G09G3/36

CPC classification number: G09G3/3655 ,  G09G3/3611 ,  G09G3/3677 ,  G09G2300/0426 ,  G09G2310/067 ,  G09G2310/08 ,  G09G2320/0209 ,  G09G2320/0219 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/029 ,  G09G2320/046 ,  G09G2320/0693 ,  G09G2320/08 ,  G09G2360/147 ,  G09G2360/16

Abstract: Systems, methods, and devices are provided to calibrate an electronic display to reduce or eliminate mura artifacts. Such mura artifacts may be due to differential behavior of multiple common voltage layers (VCOMs) of the display. One method for reducing or eliminating such muras may involve setting pixels of an electronic display to a gray level and setting an operating parameter of the liquid crystal display to a starting value. An image of the pixels may be captured. Using the image, an average luminance of the pixels may be determined and the image may be amplified around the average luminance to enhance contrast of the image. When the amplified image substantially does not indicates the presence of a mura, the value of the operating parameter may be stored in the electronic display.

Abstract translation: 提供系统，方法和设备来校准电子显示器以减少或消除mura伪像。 这样的环境伪影可能是由于显示器的多个公共电压层（VCOM）的差异行为引起的。 用于减少或消除这种恶意的一种方法可能涉及将电子显示器的像素设置为灰度级并将液晶显示器的操作参数设置为起始值。 可以捕获像素的图像。 使用图像，可以确定像素的平均亮度，并且可以围绕平均亮度放大图像，以增强图像的对比度。 当放大的图像基本上不指示存在mura时，可以将操作参数的值存储在电子显示器中。