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    • 3. 发明授权
    • Active matrix liquid crystal display
    • 有源矩阵液晶显示
    • US07205728B2
    • 2007-04-17
    • US11051528
    • 2005-02-04
    • Christopher James Brown
    • Christopher James Brown
    • G05F1/00G09G3/10
    • G09G3/3696G02F2001/13324G09G3/3648G09G2300/0408G09G2330/02H02M3/073Y02E10/56
    • An active matrix liquid crystal display (1) comprises a display substrate (2) on which are formed a pixel matrix (3) and source and gate line drivers (4, 5) formed with polysilicon thin film transistors. A DC-DC converter (9) is also formed on the substrate (2) and converts an incoming supply voltage to a higher voltage needed to operate the transistors and the pixels formed on the substrate (2). The converter (9) comprises a voltage-boosting circuit (11) which is powered, at least during a start-up phase of operation of the display (1) by a photovoltaic cell (10) illuminated by a backlight (8) of the display (1). The cell (10) supplies sufficient power to the converter (9) so that it can convert the incoming supply voltage to the higher supply voltage required by the circuitry on the substrate (2). The output voltage of the circuit (11) may subsequently be used to power the circuit itself so that the backlight (8) may be switched off if it is not required for display purposes following the start-up operation.
    • 有源矩阵液晶显示器(1)包括形成有像素矩阵(3)的显示基板(2)和形成有多晶硅薄膜晶体管的源极和栅极线驱动器(4,5)。 在基板(2)上还形成DC-DC转换器(9),并将输入的电源电压转换为操作晶体管和形成在基板(2)上的像素所需的较高电压。 转换器(9)包括升压电路(11),其至少在由所述显示器(1)的背光(8)照亮的光伏电池(10)的操作的启动阶段期间被供电, 显示(1)。 电池(10)向转换器(9)提供足够的电力,使得其可以将输入电源电压转换为衬底(2)上的电路所需的较高电源电压。 电路(11)的输出电压可以随后用于为电路本身供电,使得如果在启动操作之后不需要用于显示目的,背光(8)可以被关闭。
    • 7. 发明申请
    • COMBINED IMAGE SENSOR AND DISPLAY DEVICE
    • 组合图像传感器和显示设备
    • US20100231562A1
    • 2010-09-16
    • US12303794
    • 2007-06-11
    • Christopher James Brown
    • Christopher James Brown
    • G06F3/038G09G5/00
    • H01L27/14643G06F3/0412G06F3/042G09G3/3648G09G2360/142H01L27/14609H04N5/335
    • A combined image sensor and display device comprises an array of device elements (18), each of which comprises a display pixel (M4, C2, CLC). The display pixels have data inputs connected to column data lines (SL, 6,6′). The array includes sensor elements (10), each comprising a transistor (M1), an integrating capacitor (C1) and a photodiode (D1) connected together to an integrating node (11). The transistor (M1) is connected between column data lines (6,6′). The capacitor (C1) is connected to a control input (RS) which receives a first voltage during a sensing phase for switching off the transistor (M1) and a second voltage during a reading phase for enabling the transistor (M1).
    • 组合的图像传感器和显示装置包括装置元件阵列(18),每个装置元件包括显示像素(M4,C2,CLC)。 显示像素具有连接到列数据线(SL,6,6')的数据输入。 阵列包括传感器元件(10),每个传感器元件(10)包括与积分节点(11)连接在一起的晶体管(M1),积分电容器(C1)和光电二极管(D1)。 晶体管(M1)连接在列数据线(6,6')之间。 电容器(C1)连接到控制输入端(RS),该控制输入端(RS)在用于关断晶体管(M1)的感测阶段期间接收第一电压,并且在读取阶段期间接收第二电压以使晶体管(M1)有效。