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    • 2. 发明申请
    • ACTIVE MATRIX DISPLAY DEVICES
    • 主动矩阵显示设备
    • WO2007020576A1
    • 2007-02-22
    • PCT/IB2006/052769
    • 2006-08-10
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.DEANE, Steven, C.FRENCH, Ian, D.KNAPP, Alan, G.COLLINS, PaulFISH, David, A.
    • DEANE, Steven, C.FRENCH, Ian, D.KNAPP, Alan, G.COLLINS, PaulFISH, David, A.
    • G09G3/34G09G3/38
    • G09G3/344G09G3/20G09G3/38G09G2300/0809G09G2300/0819G09G2300/0842G09G2300/088G09G2310/0251G09G2310/061G09G2320/0252G09G2320/029G09G2330/021G09G2360/148
    • A display device comprises an array of rows and columns of pixels disposed over a common substrate. Each pixel comprises a display pixel element having a stable drive state in which the optical characteristics remain substantially constant and a drive circuit for controlling the voltage applied to the display pixel element. An optical sensor arrangement of each pixel (PR1, R2) detects an optical signal dependent on the setting of the display pixel element, and the drive circuit comprises an optical feedback control system which is arranged to drive the display pixel element to the stable display state in response to an applied input pixel voltage and an output of the optical sensor arrangement, the optical characteristics being varied before the drive of the display pixel element reaches the stable state and being held substantially constant once the stable state has been reached. This approach removes the need to apply complicated voltage control schemes to the display element. Instead, a desired brightness is loaded into the pixel (as a voltage level), and optical feedback within the pixel is used to achieve the desired brightness level.
    • 显示装置包括布置在公共基板上的行和列列阵列。 每个像素包括具有稳定驱动状态的显示像素元件,其中光学特性保持基本上恒定,以及用于控制施加到显示像素元件的电压的驱动电路。 每个像素(PR1,R2)的光学传感器装置根据显示像素元件的设置检测光学信号,并且驱动电路包括光学反馈控制系统,其被布置为将显示像素元件驱动到稳定的显示状态 响应于所施加的输入像素电压和光学传感器装置的输出,光学特性在显示像素元件的驱动达到稳定状态之前变化,并且一旦达到稳定状态就保持基本上不变。 该方法消除了对显示元件应用复杂的电压控制方案的需要。 相反,将期望的亮度加载到像素中(作为电压电平),并且使用像素内的光学反馈来实现期望的亮度水平。
    • 6. 发明申请
    • ACTIVE MATRIX ARRAY DEVICE
    • 主动矩阵阵列
    • WO2007069101A1
    • 2007-06-21
    • PCT/IB2006/054207
    • 2006-11-13
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.CASSIDY, MichealDEANE, Steven, C.
    • CASSIDY, MichealDEANE, Steven, C.
    • G09G3/36
    • G09G3/3688G09G3/3696G09G2300/0408G09G2310/027G09G2310/0297G09G2320/041G09G2320/043
    • An active matrix array device includes integrated driver circuitry which comprises a multiplexer circuit (2). The multiplexer circuit comprises an array of multiplexer elements (50), each comprising a multiplexer transistor (30), between a multiplexer input (Vdata) and a multiplexer output (32), and a threshold voltage storage capacitor arrangement (44) for storing a threshold voltage of the multiplexer transistor (30). The threshold storage capacitor arrangement comprises a capacitor in series between a control input (Vselect) for receiving a control signal for controlling the multiplexer transistor (30) and the gate of the multiplexer transistor (30). A switch arrangement (40,42) is used to sampling and store the threshold voltage of the multiplexer transistor on the threshold voltage storage capacitor arrangement.
    • 有源矩阵阵列器件包括集成驱动器电路,其包括多路复用器电路(2)。 多路复用器电路包括多路复用器元件阵列(50),每个多路复用器元件(50)包括多路复用器输入(Vdata)和多路复用器输出(32)之间的多路复用器晶体管(30),以及阈值电压存储电容器配置(44) 多路晶体管(30)的阈值电压。 阈值存储电容器布置包括串联在用于接收用于控制多路复用器晶体管(30)的控制信号和多路晶体管(30)的栅极的控制输入(Vselect)之间的电容器。 开关装置(40,42)用于对阈值电压存储电容器装置上的多路晶体管的阈值电压进行采样和存储。
    • 9. 发明申请
    • ACTIVE MATRIX PIXEL DRIVE CIRCUIT FOR OLED DISPLAY
    • 有源矩阵像素驱动电路用于OLED显示
    • WO2004109640A1
    • 2004-12-16
    • PCT/IB2004/001863
    • 2004-05-28
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FISH, David, A.DEANE, Steven, C.HECTOR, Jason, R.FRENCH, Ian, D.
    • FISH, David, A.DEANE, Steven, C.HECTOR, Jason, R.FRENCH, Ian, D.
    • G09G3/32
    • G09G3/3233G09G2300/0819G09G2300/0852G09G2300/0876G09G2310/0251G09G2320/029G09G2320/043H01L27/3265
    • A display device has a plurality of pixels, each pixel having a current-driven display element (2) coupled between a first conductive layer (28) and a second conductive layer (27), the second conductive layer (27) being coupled to a current supply (26) via a switchable device (12) having a thin film component (122) on a first area of a substrate (120). Each pixel further has a first capacitive device having a first capacitor plate (132) on a second area of the substrate (120), the first capacitor plate (120) being conductively coupled to the thin film component, a second capacitor plate (133) and a first insulating layer (130) between the first capacitor plate (132) and the second capacitor plate (133). Stacked on top of the first capacitive device is a second capacitive device sharing the second capacitor plate (133) with the first capacitive device, the second capacitive device further comprising a third capacitor plate comprising at least a part of the second conductive layer (27), and a second insulating layer (140) between the second capacitor plate and the third capacitor plate. This arrangement benefits from larger capacitances for the first capacitive device and the second capacitive device, making them more robust against the influences of parasitic capacitances.
    • 显示装置具有多个像素,每个像素具有耦合在第一导电层(28)和第二导电层(27)之间的电流驱动显示元件(2),所述第二导电层(27)耦合到 通过在基板(120)的第一区域上具有薄膜部件(122)的可切换装置(12)提供电流供应(26)。 每个像素还具有第一电容器件,其具有在衬底(120)的第二区域上的第一电容器板(132),第一电容器板(120)导电耦合到薄膜部件,第二电容器板(133) 以及在第一电容器板(132)和第二电容器板(133)之间的第一绝缘层(130)。 堆叠在第一电容性器件的顶部的是第二电容器件,其与第一电容器件共享第二电容器板(133),第二电容器件还包括第三电容器板,该第三电容器板包括第二导电层(27)的至少一部分, ,以及在第二电容器板和第三电容器板之间的第二绝缘层(140)。 这种安排受益于第一电容性器件和第二电容器件的较大电容,使得它们相对于寄生电容的影响更坚固。
    • 10. 发明申请
    • ACTIVE MATRIX DISPLAY DEVICES
    • 主动矩阵显示设备
    • WO2004051355A1
    • 2004-06-17
    • PCT/IB2003/005270
    • 2003-11-19
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HECTOR, Jason, R.DEANE, Steven, C.
    • HECTOR, Jason, R.DEANE, Steven, C.
    • G02F1/1345
    • G02F1/13452G02F1/1345G02F1/13454G02F1/136213G02F2201/121
    • In an active matrix display device, particularly an AMLCD, having an array of display pixels (8) and comprising pixel electrodes (16), associated switches (22), and address lines (18, 20) carried on a first substrate (10), a common electrode (26) carried on a second substrate (12), a drive circuit (40, 80) carried on the first substrate (10) including at least one conductor line (96) providing a drive voltage for the common electrode (26) and to which the common electrode (26) is connected (92), the common electrode (26) on the second substrate is utilised to provide also electrical connection between the one conductor line (96) and at least one other circuit element (37) carried on the first substrate (10). The use of the common electrode in this way assists in avoiding problems due to resistances of connections formed on the first substrate. The connection to a storage capacitor line (37, 36) may benefit especially. The common electrode (26) may be connected to the circuit elements on the first substrate via contact material (92, 100) extending across the gap between the two substrates.
    • 在具有显示像素阵列(8)并包括在第一基板(10)上承载的像素电极(16),关联开关(22)和地址线(18,20)的有源矩阵显示装置,特别是AMLCD中, ,承载在第二基板(12)上的公共电极(26),承载在第一基板(10)上的驱动电路(40,80),包括提供用于公共电极的驱动电压的至少一个导线(96) 26)并且所述公共电极(26)连接到所述公共电极(92)上时,所述第二基板上的所述公共电极(26)还用于在所述一个导体线(96)和至少一个其它电路元件 37)承载在第一基板(10)上。 以这种方式使用公共电极有助于避免由于在第一基板上形成的连接的电阻而引起的问题。 与存储电容器线(37,36)的连接可能受益匪浅。 公共电极(26)可以通过延伸穿过两个基板之间的间隙的接触材料(92,100)连接到第一基板上的电路元件。