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1. 发明申请

WO2012172360A3 TOUCH-SENSITIVE DISPLAY DEVICES 审中-公开
标题翻译：触摸式显示设备
公开(公告)号：WO2012172360A3
公开(公告)日：2013-03-07
申请号：PCT/GB2012051379
申请日：2012-06-15
申请人： LIGHT BLUE OPTICS LTD , MCCAUGHAN GARETH JOHN , ROUTLEY PAUL RICHARD
发明人： MCCAUGHAN GARETH JOHN , ROUTLEY PAUL RICHARD
IPC分类号： G06F3/042 , G06F3/03 , H04N5/235 , H04N5/353
CPC分类号： G06F3/0426 , G03H1/2294 , H04N5/2357
摘要： A touch sensitive device, the device comprising: a touch sensor light source to project a plane of light above a surface; a camera directed to capture a touch sense image from a region including at least a portion of said plane of light, said touch sense image comprising light scattered from said plane of light by an object approaching or touching said surface; and a signal processor coupled to said camera, to process a said touch sense image from said camera to identify a lateral location of said object; wherein said signal processor is further configured to: detect when an oscillatory component of ambient light captured by said camera has a frequency different to an integral multiple of a frame rate of said camera; and adjust said frame rate of said camera responsive to said detection to an adjusted frame rate, such that said oscillatory component of said ambient light captured by said camera has a frequency within 10% of an integral multiple of said adjusted frame rate.
摘要翻译：一种触敏装置，该装置包括：触摸传感器光源，用于投影表面上方的平面; 所述触摸感测图像包括从包括所述光平面的至少一部分的区域捕捉触摸感测图像，所述触摸感测图像包括通过靠近或接触所述表面的物体从所述光平面散射的光; 以及耦合到所述相机的信号处理器，用于处理来自所述相机的所述触摸感测图像以识别所述对象的横向位置; 其中所述信号处理器还被配置为：检测由所述相机捕获的环境光的振荡分量何时具有与所述相机的帧速率的整数倍不同的频率; 并且响应于所述检测将所述相机的所述帧速率调整到调整的帧速率，使得由所述相机捕获的所述环境光的所述振荡分量具有在所述调整帧速率的整数倍的10％以内的频率。

2. 发明申请

WO2005104075A2 DISPLAYS, DRIVERS AND RELATED METHODS 审中-公开
标题翻译：显示与光耦合光传感器
公开(公告)号：WO2005104075A2
公开(公告)日：2005-11-03
申请号：PCT/GB2005/001397
申请日：2005-04-11
申请人： CAMBRIDGE DISPLAY TECHNOLOGY LIMITED , ROUTLEY, Paul
发明人： ROUTLEY, Paul
IPC分类号： G09G3/32
CPC分类号： G09G3/3208 , G09G2320/0233 , G09G2320/0285 , G09G2320/029 , G09G2320/043 , G09G2320/0626 , G09G2370/042
摘要： This invention generally relates to electronic displays, in particular organic light emitting diode (OLED) -based displays, and to techniques for compensating for variations in display element brightness such as those caused by ageing. A method of compensating for variations in brightness of an OLED display element of a passive OLED display device, the display device having a plurality of said OLED display elements mounted on a substrate, the method comprising: driving a said display element to emit light; detecting a brightness said emitted light after waveguiding by said substrate; and compensating for a variation in said display element brightness responsive to said detecting.
摘要翻译：本发明一般涉及电子显示器，特别是有机发光二极管（OLED）的显示器，以及用于补偿显示元件亮度的变化的技术，例如由老化造成的亮度的变化。一种补偿无源OLED显示装置的OLED显示元件的亮度变化的方法，所述显示装置具有安装在基板上的多个所述OLED显示元件，所述方法包括：驱动所述显示元件发光; 在由所述基板波导后检测所述发光的亮度; 以及响应于所述检测补偿所述显示元件亮度的变化。

3. 发明申请

WO2003107313A3 DATA DRIVER CIRCUIT FOR OLED DISPLAY 审中-公开
公开(公告)号：WO2003107313A3
公开(公告)日：2003-12-24
申请号：PCT/GB2003/002529
申请日：2003-06-11
申请人： CAMBRIDGE DISPLAY TECHNOLOGY LIMITED , ROUTLEY, Paul, Richard , SMITH, Euan, Christopher
发明人： ROUTLEY, Paul, Richard , SMITH, Euan, Christopher
IPC分类号： G09G3/32
摘要： This invention generally relates to display driver circuits for electro-optic displays, and more particularly relates to circuits and methods for driving active matrix organic light emitting diode displays with greater efficiency. A display driver (800) for an electroluminescent display (802), comprises a plurality of electroluminescent display elements each associated with a display element driver circuit (820), each said display element driver circuit including a drive transistor having a control connection for driving the associated display element in accordance with a voltage on the control connection. The display driver comprises at least one display element brightness controller (846) to provide an output to drive a said control connection to control the electroluminescent output from a said display element. A voltage sensor (854, 858) senses the voltage on a said control connection; and a power controller (860) for controls an adjustable power supply for providing an adjustable voltage to said electroluminescent display to power said drive transistors for driving said display elements. The power controller is configured to provide a control signal to adjust said power supply voltage in response to said sensed voltage.

4. 发明申请

WO2003038798A2 DISPLAY DRIVER CIRCUITS 审中-公开
标题翻译：显示驱动器电路
公开(公告)号：WO2003038798A2
公开(公告)日：2003-05-08
申请号：PCT/GB2002/004781
申请日：2002-10-23
申请人： CAMBRIDGE DISPLAY TECHNOLOGY LIMITED , SMITH, Euan, Christopher , ROUTLEY, Paul, Richard
发明人： SMITH, Euan, Christopher , ROUTLEY, Paul, Richard
IPC分类号： G09G3/32
CPC分类号： G09G3/3233 , G09G2300/0417 , G09G2300/0819 , G09G2300/0842 , G09G2300/088 , G09G2310/0262 , G09G2320/045 , G09G2360/148 , H01L27/3234 , H01L27/3269
摘要： Display driver circuitry for electro-optic displays, in particular active matrix displays using organic light emitting diodes. The circuitry comprises a driver to drive an electro-optic element in accordance with a drive voltage, a photosensitive device optically coupled to the electro-optic display element to pass a current dependent upon illumination reaching the photosensitive device, a first control device coupled between the photosensitive device and a data line and responsive to a first control signal on a first control line to couple the photosensitive device to the data line; and a second control device coupled between the photosensitive device and the driver and responsive to a second control signal on a second control line to couple the photosensitive device to the driver. The circuit can be operated in a number of different modes and provides flexible control of an electro-display element such as an organic LED pixel.
摘要翻译：显示器用于电光显示器的驱动电路，特别是使用有机发光二极管的有源矩阵显示器。该电路包括根据驱动电压驱动电光元件的驱动器，光耦合到电光显示元件以传递取决于到达光敏器件的照明的电流的光敏器件，耦合在电光元件之间的第一控制装置光敏器件和数据线，并响应第一控制线上的第一控制信号以将光敏器件耦合到数据线; 以及第二控制装置，其耦合在所述光敏装置与所述驱动器之间并响应于第二控制线上的第二控制信号以将所述光敏装置耦合到所述驱动器。该电路可以以多种不同的模式操作，并提供诸如有机LED像素之类的电子显示元件的灵活控制。

5. 发明申请

WO2012172364A3 TOUCH-SENSITIVE DISPLAY DEVICES 审中-公开
公开(公告)号：WO2012172364A3
公开(公告)日：2012-12-20
申请号：PCT/GB2012/051384
申请日：2012-06-15
申请人： LIGHT BLUE OPTICS LTD , MCCAUGHAN, Gareth John , ROUTLEY, Paul Richard , ANDREW, John , SMITH, Euan Christopher , CABLE, Adrian James
发明人： MCCAUGHAN, Gareth John , ROUTLEY, Paul Richard , ANDREW, John , SMITH, Euan Christopher , CABLE, Adrian James
IPC分类号： G06F3/042 , G06T7/00 , G06F3/03
摘要： A touch sensitive device, the device comprising: a touch sensor light source to project a plane of light above a surface; a camera directed to capture a touch sense image from a region including at least a portion of said plane of light, said touch sense image comprising light scattered from said plane of light by a plurality of said objects simultaneously approaching or touching said surface; a signal processor coupled to said camera, to process a said touch sense image from said camera to identify a lateral location of each of said objects; and an output object position output, to provide output object positions for said plurality of objects; and wherein said signal processor is further configured to: input a succession of said touch sense images; process each said touch sense image to identify a plurality of candidate object touch positions; and filter said candidate object touch positions from said successive touch sense images to link said candidate object touch positions to previously identified output object positions for said plurality of objects; and update said previously identified output object positions using said linked candidate object touch positions.

6. 发明申请

WO2012172360A2 TOUCH-SENSITIVE DISPLAY DEVICES 审中-公开
标题翻译：触摸式显示设备
公开(公告)号：WO2012172360A2
公开(公告)日：2012-12-20
申请号：PCT/GB2012/051379
申请日：2012-06-15
申请人： LIGHT BLUE OPTICS LTD , McCAUGHAN, Gareth John , ROUTLEY, Paul Richard
发明人： McCAUGHAN, Gareth John , ROUTLEY, Paul Richard
IPC分类号： G06F3/042 , H04N5/353 , H04N5/235 , G06F3/03
CPC分类号： G06F3/0426 , G03H1/2294 , H04N5/2357
摘要： A touch sensitive device, the device comprising: a touch sensor light source to project a plane of light above a surface; a camera directed to capture a touch sense image from a region including at least a portion of said plane of light, said touch sense image comprising light scattered from said plane of light by an object approaching or touching said surface; and a signal processor coupled to said camera, to process a said touch sense image from said camera to identify a lateral location of said object; wherein said signal processor is further configured to: detect when an oscillatory component of ambient light captured by said camera has a frequency different to an integral multiple of a frame rate of said camera; and adjust said frame rate of said camera responsive to said detection to an adjusted frame rate, such that said oscillatory component of said ambient light captured by said camera has a frequency within 10% of an integral multiple of said adjusted frame rate.
摘要翻译：一种触敏装置，该装置包括：触摸传感器光源，用于投影表面上方的平面; 所述触摸感测图像包括从包括所述光平面的至少一部分的区域捕捉触摸感测图像，所述触摸感测图像包括通过靠近或接触所述表面的物体从所述光平面散射的光; 以及耦合到所述相机的信号处理器，用于处理来自所述相机的所述触摸感测图像以识别所述对象的横向位置; 其中所述信号处理器还被配置为：检测由所述相机捕获的环境光的振荡分量何时具有与所述相机的帧速率的整数倍不同的频率; 并且响应于所述检测将所述相机的所述帧速率调整到调整的帧速率，使得由所述相机捕获的所述环境光的所述振荡分量具有在所述调整帧速率的整数倍的10％以内的频率。

7. 发明申请

WO2010073024A1 TOUCH SENSITIVE HOLOGRAPHIC DISPLAYS 审中-公开
标题翻译：触摸敏感的全息显示器
公开(公告)号：WO2010073024A1
公开(公告)日：2010-07-01
申请号：PCT/GB2009/051638
申请日：2009-12-03
申请人： LIGHT BLUE OPTICS LTD , LAWRENCE, Nicholas , ROUTLEY, Paul Richard , CABLE, Adrian James
发明人： LAWRENCE, Nicholas , ROUTLEY, Paul Richard , CABLE, Adrian James
IPC分类号： G03H1/22 , G06F3/041
CPC分类号： G06F3/042 , G03H1/0005 , G03H1/2205 , G03H1/2294 , G03H2001/0061 , G03H2001/2213 , G03H2001/2215 , G03H2001/2221 , G03H2001/2271 , G03H2210/22 , G03H2210/441 , G06F1/3231 , G06F3/0425 , G06F3/0426 , G06Q50/12 , Y02D10/173
摘要： We describe a touch sensitive holographic image display device (900) for holographically projecting a touch sensitive image at an acute angle onto a surface on which the device is placed. The device includes holographic image projection optics (902) comprising at least one coherent light source illuminating a spatial light modulator (SLM), output optics to project a hologram onto an acute angle surface, and a remote touch sensing system to remotely detect a touch of a location within or adjacent to the holographically displayed image (906). A control system is configured to provide data defining an image for display, to receive detected touch data, and to control the device responsive to remote detection of a touch of a the displayed image.
摘要翻译：我们描述了用于将锐角的触敏图像全息地投影到放置该装置的表面上的触敏全息图像显示装置（900）。该装置包括全息图像投影光学器件（902），其包括照射空间光调制器（SLM）的至少一个相干光源，将全息图投影到锐角表面上的输出光学器件，以及远程检测触摸在全息显示图像内或邻近的位置（906）。控制系统被配置为提供定义用于显示的图像的数据，以接收检测到的触摸数据，并且响应于对显示的图像的触摸的远程检测来控制该设备。

8. 发明申请

WO2004097785A1 PWM DRIVER FOR A PASSIVE MATRIX DISPLAY AND CORRESPONDING METHOD 审中-公开
标题翻译：用于被动矩阵显示和相应方法的PWM驱动器
公开(公告)号：WO2004097785A1
公开(公告)日：2004-11-11
申请号：PCT/GB2004/001371
申请日：2004-03-30
申请人： CAMBRIDGE DISPLAY TECHNOLOGY LIMITED , ROUTLEY, Paul, Richard , SMITH, Euan, Christopher
发明人： ROUTLEY, Paul, Richard , SMITH, Euan, Christopher
IPC分类号： G09G3/36
CPC分类号： G09G3/3216 , G09G3/2014 , G09G3/3275 , G09G2300/06 , G09G2310/027 , G09G2330/021
摘要： This invention generally relates to apparatus and methods for driving passive, electro-optic displays with greater efficiency. The invention is particularly suitable for driving passive matrix organic light emitting diode displays. A driver (750) for a passive electro-optic display is described. The display has a plurality of display elements addressed by a common first electrode and a plurality of second electrodes, the display driver being configured to successively select each of said second electrodes in turn and to provide a variable pulse length drive to said first electrode during a period when a said second electrode is selected to provide a corresponding variable brightness level from each of said display elements. The driver comprises a data input (610) to receive drive level data for each of said display elements; an electrode selection input (611) to receive a second electrode selection signal for determining said period when a said second electrodes is selected to address a corresponding display element; a drive output (720) for driving said first electrode with a pulse having a length determined by said drive level data; and a pulse generator (752, 702, 704, 706, 708) coupled to said data input, to said electrode selection input and to said drive output, said pulse generator being configured to generate a pulsed drive signal for said drive output responsive to said drive level data and to said second electrode selection signal, said pulsed drive signal having on states, and off states and transitions therebetween; and wherein said pulsed drive signal for driving successively selected second electrodes remains in one of a said on state and a said off state during selection of a successive second electrode and has a transition during said period when a said second electrode is selected.
摘要翻译：本发明总体上涉及用于以更高效率驱动无源光电显示器的装置和方法。本发明特别适用于驱动无源矩阵有机发光二极管显示器。描述了用于无源电光显示器的驱动器（750）。所述显示器具有由共同的第一电极和多个第二电极寻址的多个显示元件，所述显示驱动器被配置成依次连续地选择所述第二电极中的每一个，并且在所述第一电极期间向所述第一电极提供可变的脉冲长度驱动选择所述第二电极以从每个所述显示元件提供相应的可变亮度水平的期间。驱动器包括用于接收每个所述显示元件的驱动电平数据的数据输入（610）电极选择输入（611），用于接收第二电极选择信号，用于在选择所述第二电极以寻址对应的显示元件时确定所述周期; 驱动输出（720），用于用具有由所述驱动电平数据确定的长度的脉冲驱动所述第一电极; 以及耦合到所述数据输入的脉冲发生器（752,702,704,706,708）到所述电极选择输入和所述驱动输出，所述脉冲发生器被配置为响应于所述驱动输出而产生用于所述驱动输出的脉冲驱动信号驱动电平数据和所述第二电极选择信号，所述脉冲驱动信号具有导通状态，以及它们之间的截止状态和转换; 并且其中用于驱动连续选择的第二电极的所述脉冲驱动信号在选择连续的第二电极期间保持在所述导通状态和所述断开状态中的一种状态，并且在选择所述第二电极的所述时段期间具有转变。

9. 发明申请

WO2006067520A3 DIGITAL SIGNAL PROCESSING METHODS AND APPARATUS 审中-公开
标题翻译：数字信号处理方法和装置
公开(公告)号：WO2006067520A3
公开(公告)日：2008-04-10
申请号：PCT/GB2005050219
申请日：2005-11-30
申请人： CAMBRIDGE DISPLAY TECH , SMITH EUAN CHRISTOPHER , ROUTLEY PAUL RICHARD , FODEN CLARE
发明人： SMITH EUAN CHRISTOPHER , ROUTLEY PAUL RICHARD , FODEN CLARE
IPC分类号： G06F17/16 , G09G3/32
CPC分类号： G09G3/3216 , G06F17/16 , G09G2310/0208 , G09G2320/043
摘要： This invention relates to a method of digitally processing data in a data array defining a target matrix (X) using non-negative matrix factorisation to determine a pair of matrices (F, G), a first matrix of said pair determining a set of features for representing said data, a second matrix of said pair determining weights of said features, such that a product of said first and second matrices approximates said target matrix, the method comprising: inputting said target matrix data (X); selecting a row of said one of said first and second matrices and a column of the other of said first and second matrices; determining a target contribution (R) of said selected row and column to said target matrix; determining, subject to a non- negativity constraint, updated values for said selected row and column from said target contribution; and repeating said selecting and determining for the other rows and columns of said first and second matrices until all said rows and columns have been updated. The invention is applicable to multi-line addressing (MLA) techniques for displays such as passive-matrix OLED displays.
摘要翻译：本发明涉及一种使用非负矩阵分解来定义目标矩阵（X）的数据阵列中数据处理数据以确定一对矩阵（F，G）的方法，所述对的第一矩阵确定一组特征用于表示所述数据，所述对的第二矩阵确定所述特征的权重，使得所述第一和第二矩阵的乘积近似于所述目标矩阵，所述方法包括：输入所述目标矩阵数据（X）; 选择所述第一和第二矩阵中的所述一个的行和所述第一和第二矩阵中的另一个的列; 确定所述选择的行和列的目标贡献（R）到所述目标矩阵; 根据非消极性约束确定来自所述目标贡献的所述所选行和列的更新值; 并重复所述选择和确定所述第一和第二矩阵的其他行和列，直到所有所述行和列都被更新。本发明适用于诸如无源矩阵OLED显示器的显示器的多线寻址（MLA）技术。

10. 发明申请

WO2006133084A2 METHODS AND SYSTEMS FOR GUARDING A CHARGE TRANSFER CAPACITANCE SENSOR FOR PROXIMITY DETECTION 审中-公开
标题翻译：用于保护用于接近检测的电荷传输电容传感器的方法和系统
公开(公告)号：WO2006133084A2
公开(公告)日：2006-12-14
申请号：PCT/US2006/021727
申请日：2006-06-03
申请人： SYNAPTICS INCORPORATED , HARGREAVES, Kirk , ELY, David , ROUTLEY, Paul , DOIG, Alastair , HAINES, Julian , REYNOLDS, Joseph, Kurth
发明人： HARGREAVES, Kirk , ELY, David , ROUTLEY, Paul , DOIG, Alastair , HAINES, Julian , REYNOLDS, Joseph, Kurth
IPC分类号： H03K17/955
CPC分类号： G01D5/24 , G01R27/2605 , H03K17/955 , H03K17/962 , H03K17/965 , H03K2017/9602 , H03K2217/96058 , H03K2217/960725 , H03K2217/960775
摘要： Methods, systems and devices are described for determining a measurable capacitance for proximity detection in a sensor having a plurality of sensing electrodes and at least one guarding electrode. A charge transfer process is executed for at least two executions. The charge transfer process includes applying a pre-determined voltage to at least one of the plurality of sensing electrodes using a first switch, applying a first guard voltage to the at least one guarding electrode using a second switch, sharing charge between the at least one of the plurality of sensing electrodes and a filter capacitance, and applying a second guard voltage different from the first guard voltage to the at least one guarding electrode. A voltage is measured on the filter capacitance for a number of measurements equal to at least one to produce at least one result to determine the measurable capacitance for proximity detection.
摘要翻译：描述了用于确定具有多个感测电极和至少一个保护电极的传感器中的接近检测的可测量电容的方法，系统和装置。对至少两次执行执行电荷转移处理。电荷转移过程包括使用第一开关向多个感测电极中的至少一个施加预定电压，使用第二开关向至少一个保护电极施加第一保护电压，在至少一个保护电极之间共享电荷的多个感测电极和滤波电容，并且将不同于第一保护电压的第二保护电压施加到至少一个保护电极。在滤波电容上测量等于至少一个的测量值以产生至少一个结果以确定接近检测的可测量电容。

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