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    • 5. 发明授权
    • Organic electroluminescence display
    • 有机电致发光显示
    • US08477086B2
    • 2013-07-02
    • US12068524
    • 2008-02-07
    • Mitsuhide MiyamotoTohru KohnoMasato IshiiNaruhiko KasaiHajime Akimoto
    • Mitsuhide MiyamotoTohru KohnoMasato IshiiNaruhiko KasaiHajime Akimoto
    • G09G3/30
    • G09G3/3233G09G2300/0809G09G2320/045G09G2320/046G09G2320/0673
    • In an organic EL display, correction is made for a difference in screen luminance between the case of measuring characteristics of OLED elements, and the case of not measuring the characteristics of the OLED elements. A data line for feeding image data items, and a detection line for measuring the characteristics of the OLED elements are connected to respective pixels. Detection of the characteristics of the OLED elements is executed by utilizing a specified period of a frame period. Because an image-displaying period is limited in a frame where measurement of the characteristics of the OLED element 11 is executed, the luminance undergoes deterioration. In order to prevent the deterioration of the luminance, an analog-to-digital converter ADC causes γ characteristic of the OLED elements in the frame where measurement of the characteristics of 11 is executed to be varied by the agency of a signal from a timing controller Tcon to the analog-to-digital converter ADC, thereby increasing luminance intensity of light emission of the OLED elements.
    • 在有机EL显示器中,对于OLED元件的测量特性的情况和不测量OLED元件的特性的情况之间的屏幕亮度差进行校正。 用于馈送图像数据的数据线和用于测量OLED元件的特性的检测线连接到各个像素。 通过利用帧周期的指定周期来执行OLED元件的特性的检测。 由于在执行OLED元件11的特性的测量的框架中限制图像显示周期,因此亮度劣化。 为了防止亮度的劣化,模数转换器ADC引起在执行11的特性测量的OLED元件的伽马特性通过来自定时控制器的信号的代理来改变 Tcon到模数转换器ADC,从而增加OLED元件的发光亮度强度。
    • 8. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20120293572A1
    • 2012-11-22
    • US13470436
    • 2012-05-14
    • Hajime AKIMOTOKenta Kajiyama
    • Hajime AKIMOTOKenta Kajiyama
    • G09G3/36G09G5/10
    • G09G3/3413G09G3/2022G09G3/3433G09G3/346G09G3/36G09G2310/0235G09G2320/0247G09G2320/10
    • A display device includes: a light emission control part which allows a light source to emit the light having one of the plural different main wavelengths in each of plural sub frames; a display panel which controls the transmission of light in each pixel; and a display control part which controls the display panel corresponding to a gray level value with respect to the each pixel, wherein the light emitting control part performs the light emission of light having a first main wavelength in a first sub frame in accordance with a light emission amount weighted based on a time for calculation including a first interval which is a interval between the first sub frame where the first main wavelength is emitted and a second sub frame where the first main wavelength is emitted after the first sub frame.
    • 一种显示装置,包括:发光控制部,其允许光源在多个子帧中的每一个中发射具有多个不同主波长中的一个的光; 控制每个像素中的光的透射的显示面板; 以及显示控制部,其相对于每个像素控制与灰度级相对应的显示面板,其中,所述发光控制部根据光在第一子帧中进行具有第一主波长的光的发光 基于包括作为第一主波长的第一子帧与第一子帧发出第一主波长的第二子帧之间的间隔的第一间隔的计算时间加权的发射量。
    • 10. 发明授权
    • Display device
    • 显示设备
    • US08264481B2
    • 2012-09-11
    • US12216670
    • 2008-07-09
    • Tohru KohnoMitsuhide MiyamotoHajime AkimotoNaruhiko KasaiMasato Ishii
    • Tohru KohnoMitsuhide MiyamotoHajime AkimotoNaruhiko KasaiMasato Ishii
    • G09G5/10
    • G09G3/3233G09G3/3275G09G2300/0861G09G2320/0295G09G2320/041
    • To implement brightness change of pixels due to variations in environmental temperatures with low electric power, the display device includes a display part having a display area arrayed with plural pixels, a display scanning circuit and a signal driving circuit for driving the plural pixels, and a power circuit that supplies a current for illuminating each of the plural pixels with brightness corresponding to a display signal from the signal driving circuit; and a detection unit that includes: a monitor element for driving a constant current that detects environmental temperatures; and plural constant current sources, detects a voltage value relating to the luminous intensity of the pixels by the monitor element to generate a signal to control an output voltage of the power circuit, and changes over a constant current source of the monitor element according to a voltage value detected in the detection unit.
    • 为了实现由于低功率环境温度变化引起的像素的亮度变化,显示装置包括具有排列有多个像素的显示区域的显示部分,显示扫描电路和用于驱动多个像素的信号驱动电路,以及 电源电路,其提供用于对与所述信号驱动电路的显示信号相对应的亮度照亮所述多个像素中的每一个的电流; 以及检测单元,其包括:用于驱动检测环境温度的恒定电流的监视元件; 并且多个恒定电流源通过监视元件检测与像素的发光强度有关的电压值,以产生用于控制电源电路的输出电压的信号,并且根据监视元件的监视元件的恒定电流源进行切换 在检测单元中检测到电压值。