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    • 3. 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。
    • 5. 发明申请
    • INTERLEAVED ELECTRODES IN A PASSIVE MATRIX DISPLAY
    • 被动矩阵显示器中的独立电极
    • WO2006072862A1
    • 2006-07-13
    • PCT/IB2005/054391
    • 2005-12-23
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JOHNSON, Mark, T.HASKAL, Eliav, I.KNAPP, Alan, G.
    • JOHNSON, Mark, T.HASKAL, Eliav, I.KNAPP, Alan, G.
    • G02F1/167G02F1/1343
    • G02F1/167G02F1/133345G02F1/134363G02F2201/124
    • A passive matrix in-plane switching bi-stable display (1) has first and second electrodes (20, 30), and pixels (10) associated with intersections of the first electrodes (20) and the second electrodes (30). The display (1) comprises on a same substrate both the first electrodes (20) and, per pixel (10), a first group of electrodes (Gl) interleaving with a second group of electrodes (G2). The electrodes of the first and second group (Gl, G2) extend in a same first direction, and are displaced with respect to each other in the first direction to obtain in the first direction a first area (Al) where only electrodes of said first group (Gl) are present, a second area (A2) where only electrodes of said second group (G2) are present, and a third area (A3) in-between the first and the second area (Al, A2) where both electrodes of said first and second group (Gl, G2) are present. Insulating areas (40) are present at least at crossing positions where the second electrodes (30) have to cross the first electrodes (20). The second electrodes (30) extend in a second direction and are positioned for crossing the first electrodes (20) at the crossing positions and for contacting the second group of electrodes (G2) in the second area (A2). Sub-electrodes (Sl) per pixel (10) are arranged in the second direction to interconnect the first group of electrodes (Gl) in the first area and to connect said first group (Gl) to an associated one of the first electrodes (20).
    • 无源矩阵平面内切换双稳态显示器(1)具有第一和第二电极(20,30)以及与第一电极(20)和第二电极(30)的交叉点相关联的像素(10)。 显示器(1)在相同的衬底上包括第一电极(20)和每像素(10)的与第二组电极(G2)交错的第一组电极(G1)。 第一组和第二组(G1,G2)的电极沿相同的第一方向延伸,并且在第一方向上相对于彼此移位,以在第一方向上获得第一区域(A1),其中仅第一组 存在组(G1),仅存在所述第二组(G2)的电极的第二区域(A2)和位于第一和第二区域(A1,A2)之间的第三区域(A3),其中两个电极 的所述第一组和第二组(G1,G2)。 绝缘区域(40)至少存在于第二电极(30)必须与第一电极(20)交叉的交叉位置处。 第二电极(30)在第二方向上延伸并且被定位成在交叉位置处与第一电极(20)交叉并且用于接触第二区域(A2)中的第二组电极(G2)。 每个像素(10)的子电极(S1)沿第二方向布置以互连第一区域中的第一组电极(G1),并且将所述第一组(G1)连接到第一电极(20)中的相关联的一个 )。
    • 9. 发明申请
    • METHOD AND DEVICE FOR DRIVING AN ACTIVE MATRIX DISPLAY PANEL
    • 用于驱动有源矩阵显示面板的方法和装置
    • WO2004097781A1
    • 2004-11-11
    • PCT/IB2004/001227
    • 2004-04-15
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.SEMPEL, AdrianusHEKSTRA, Gerben, J.FISH, David, A.KNAPP, Alan, G.GIRALDO, AndreaJOHNSON, Mark, T.
    • SEMPEL, AdrianusHEKSTRA, Gerben, J.FISH, David, A.KNAPP, Alan, G.GIRALDO, AndreaJOHNSON, Mark, T.
    • G09G3/32
    • G09G3/3241G09G3/2011G09G3/2022G09G3/2077G09G3/22G09G2300/08G09G2300/0809G09G2300/0814G09G2300/0828G09G2300/0852G09G2310/0251G09G2320/0223G09G2320/0233
    • An active matrix display panel comprises a substrate, an array of pixel circuits being arranged in a matrix of at least one column and a plurality of rows on the substrate, each pixel circuit comprising a light-emitting element, capable of emitting light of an intensity determined by the value of a current passed through it, and at least one column line, each column line arranged to conduct a reference current, provided by a current driving circuit, when connected to the panel. The pixel circuits in a column are divided into a plurality of groups of at least one pixel circuit. The active matrix display panel comprises at least one current mirror circuit associated with a first group, comprising a first current mirror, arranged to mirror a reference current flowing through a column line to a first current mirror output. Each pixel circuit in the first group comprises at least a first current-memory stage, having an output terminal connected to the light-emitting element, wherein the first current-memory stage is capable of drawing a current determined at least partly by the current mirrored to the first current mirror output through the output terminal. Each current mirror circuit comprises at least one additional current mirror, arranged to mirror a reference current flowing through an associated column line to an additional current mirror output, wherein each additional current mirror output is connected in parallel to the first current mirror output.
    • 有源矩阵显示面板包括基板,像素电路阵列以基板上的至少一列和多行的矩阵排列,每个像素电路包括发光元件,其能够发射强度的光 由通过它的电流的值确定,以及至少一列列线,当连接到面板时,每列列线被布置成传导由电流驱动电路提供的参考电流。 列中的像素电路被分成多个至少一个像素电路组。 有源矩阵显示面板包括与第一组相关联的至少一个电流镜电路,包括第一电流镜,被布置成将流经列线的参考电流镜像到第一电流镜输出。 第一组中的每个像素电路包括至少第一电流存储器级,其具有连接到发光元件的输出端子,其中第一电流存储器级能够绘制至少部分由电流镜像确定的电流 通过输出端子到第一个电流镜像输出。 每个电流镜电路包括至少一个额外的电流镜,其布置成将流过相关联的列线的参考电流镜像到附加电流镜输出,其中每个附加电流镜输出与第一电流镜输出并联连接。