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    • 1. 发明申请
    • METHODS FOR COMPENSATING COLORS BASED ON LUMINANCE ADJUSTMENT PARAMETERS AND THE RELATED DISPLAY DEVICES
    • US20220358870A1
    • 2022-11-10
    • US17733452
    • 2022-04-29
    • DYNASCAN TECHNOLOGY CORP.
    • Tsun-I WANGChing-Chun WUChia-Liang YANG
    • G09G3/20
    • Disclosed are methods for compensating colors based on luminance adjustment parameters and the related display devices. The present disclosure provides an electronic device. The electronic device comprises: a display comprising an array of pixels and a control circuit electrically connected to the display. Pixels in the array comprise a plurality of first sub-pixels defining a first color area in a chromaticity plane, a plurality of second sub-pixels defining a second color area in the chromaticity plane and a plurality of third sub-pixels defining a third color area in the chromaticity plane. The plurality of first sub-pixels is associated with a first primary color, the plurality of second sub-pixels is associated with a second primary color, and the plurality of third sub-pixels is associated with a third primary color. The control circuit is configured to receive an input image signal and generate a control signal to the display for driving each pixel of the display to output light in a virtual color gamut. The virtual color gamut of the display includes a first virtual color gamut including a first chromaticity coordinate point of the first primary color, a second virtual color gamut including a second chromaticity coordinate point of the second primary color, a third virtual color gamut including a third chromaticity coordinate point of the third primary color, and a fourth virtual color gamut. The fourth virtual color gamut is among the first, second and third color areas on the chromaticity plane and does not overlap any of the first, second or third color areas.
    • 6. 发明申请
    • DISPLAY DEVICE INCORPORATING BACKLIGHT PLATE COMPOSED OF EDGE-LIT LIGHT GUIDES AND METHOD OF UNIFYING LIGHT EMISSION FROM SAME
    • 包含边缘光指导的组合背光板的显示装置和从其同步发光的方法
    • US20110157242A1
    • 2011-06-30
    • US12844824
    • 2010-07-27
    • Tsung-I Wang
    • Tsung-I Wang
    • G09G5/10
    • G09G3/3426G09G2320/0646G09G2320/0666G09G2360/145G09G2360/16
    • The invention relates to a display device incorporating a backlight plate composed of edge-lit light guides and a method of unifying the light emission from the display device. The display device has a backlight plate composed of light guides adjacent to one another for guiding light from light sources, a liquid crystal panel disposed at a light exit side of the backlight plate and including cells with adjustable transmissivities, a memory device that stores data regarding light emission intensity distributions of the light guides, and a control device for computing compensation data and controlling the transmissivities of the cells. The light emission of the backlight is unified using the local-area dimming control technique by computing the light emission intensity distributions of the light guides and by obtaining the adjusted image signals for adjusting the transmissivities of the cells.
    • 本发明涉及一种结合由边缘照明光导构成的背光板的显示装置和统一显示装置的发光的方法。 显示装置具有由彼此相邻的导光板构成的背光板,用于引导来自光源的光,液晶面板,配置在背光板的光出射侧,并且具有可调节的透射率的单元;存储装置, 光导的发光强度分布,以及用于计算补偿数据并控制单元的透射率的控制装置。 使用局部调光控制技术,通过计算光导的发光强度分布,并通过获得用于调节单元的透射率的调整图像信号来统一背光的发光。
    • 8. 发明授权
    • LED control circuit with self-adaptive regulation
    • LED控制电路具有自适应调节功能
    • US09445470B2
    • 2016-09-13
    • US14316571
    • 2014-06-26
    • DynaScan Technology Corp.
    • Tsun-I WangChing-Chun WuChia-Liang Yang
    • H05B37/00H05B33/08
    • H05B33/0827H05B33/0815H05B33/083H05B33/0845
    • An LED control circuit comprises a driver, a counter, and a controller and is configured to control a plurality of light-emitting units, each of which comprises at least one LED and a switch. The driver receives an alternating-current signal to output a driving signal whereby the light-emitting units are enabled. The counter begins a count from a start number when a voltage value of the driving signal equals a base value. When the count reaches a predetermined number, the controller controls the switch of at least one of the light-emitting units, causing the LED of the light-emitting unit to receive the driving signal. When the LED of the light-emitting unit receives the driving signal, the controller detects whether the light-emitting unit is enabled and adjusts the predetermined number accordingly.
    • LED控制电路包括驱动器,计数器和控制器,并且被配置为控制多个发光单元,每个发光单元包括至少一个LED和开关。 驱动器接收交流信号以输出驱动信号,从而使得发光单元被使能。 当驱动信号的电压值等于基值时,计数器从起始号开始计数。 当计数达到预定数量时,控制器控制至少一个发光单元的开关,使得发光单元的LED接收驱动信号。 当发光单元的LED接收到驱动信号时,控制器检测发光单元是否被使能并且相应地调整预定数量。