Patent application number | Description | Published |
20080238817 | DISPLAY DEVICE - In a display device, pixel electrodes I, II and III corresponding to color filters R, G and B are coupled to TFTs which are turned on in accordance with signals on gate lines G, and the drain (source) of the TFT coupled to the pixel electrode II is connected with the source (drain) of the TFT coupled to the pixel electrode III. A signal voltage is written in the pixel electrode I when the gate line G | 10-02-2008 |
20080291339 | DISPLAY DEVICE - A data driver circuit is divided into a low potential region, an intermediate potential region, and a high potential region, and relative withstand voltages in the respective regions are set equal to each other. Both of the transmission of a power source voltage to the high potential region from the low potential region and the transmission of video signals are performed via the intermediate potential region. Due to such a constitution, the withstand voltages in the respective regions can be suppressed to low values. | 11-27-2008 |
20090021670 | Display Device - A TFT element for ambient light detection and a TFT element for temperature detection are connected in series. In a first period, a first switch element is off, and a second switch element is at a hi side, so that a threshold voltage of the TFT element for temperature detection is detected. In a second period, a first switch element is on, and a second switch element is at a low side, so that temperature is detected. In a third period, a first switch element is on, and a second switch element is at a hi side, so that ambient light is detected. An input voltage and a control voltage to each of the TFT elements are set by a voltage controller provided in a drive circuit based on the threshold voltage. | 01-22-2009 |
20090046046 | Display device - An image processing unit ( | 02-19-2009 |
20090085857 | LIQUID CRYSTAL DISPLAY CONTROLLER - The present invention provides a liquid crystal display controller device and method which provides for a full and/or partial display with good display quality and/or low power consumption based on the scanning period for an active scan line being dependent upon a number of reference clock pulses. Some embodiments of the present invention include one or more of the following features: keeping the frequency substantially constant for different numbers of active scan lines, allowing change of the frequency due to characteristics of the LCD, displaying gradation with near linear effective voltage characteristics, displaying graduation data with lower power, or displaying a partial or full screen in a mobile device, for example, a cell phone. | 04-02-2009 |
20090102809 | Coordinate Detecting Device and Operation Method Using a Touch Panel - In a touch panel capable of detecting the coordinates of two pressed-down points individually at the same time, the coordinates detected while one point is pressed are stored and, if a second point is subsequently pressed, the stored coordinates of a first point are used to identify the coordinates closer to the stored coordinates as the first point and the coordinates of another detected point as the second point, thereby identifying an order in which the two points are pressed. Thereafter, what mouse operation has been executed at the coordinates of the first point is detected based on a positional relation between the coordinates of the first point and the coordinates of the second point, and a result of the detection is output to an application operable through a graphical user interface. | 04-23-2009 |
20090115742 | ON-SCREEN INPUT IMAGE DISPLAY SYSTEM - A detection resolution is improved in a display device that employs an electrostatic capacity coupling type touch panel provided with a transparent conductive film serving as a detection film. A plurality of electrode terminals ( | 05-07-2009 |
20090146938 | Display device - In RGB time division drives, there is capacitor coupling due to the effects of fluctuation in the drain lines, and thus, the image quality deteriorates (lateral smearing), so that the display brightness becomes different from the desired display brightness due to delay in the convergence of the fluctuation of the common potential, and thus, it is a goal to prevent the image quality from deteriorating (lateral smearing). | 06-11-2009 |
20090213090 | Display Panel - A display panel is provided having a capacitive touch panel over a display region, wherein the capacitive touch panel comprises a plurality of X electrodes and a plurality of Y electrodes formed with an insulating layer there between and in a manner to cross each other, each of the X electrodes and the Y electrodes is formed such that a pad portion and a narrow line portion are alternately placed in a direction of extension, and when viewed from top, the pad portion of the X electrode and the pad portion of the Y electrode are placed to not overlap each other and a dummy electrode which is in a floating relationship with the X electrode and the Y electrode is formed between the pad portion of the X electrode and the pad portion of the Y electrode. | 08-27-2009 |
20090256821 | DISPLAY DEVICE - The electrostatic capacity coupling type touch panel includes X electrodes (XP) and Y electrodes (YP) which intersect each other via a first insulating layer, and a plurality of Z electrodes in floating states to each other via a second insulating layer. For the second insulating layer, a material which changes in thickness by pressing of touch is used. The Z electrode is disposed so as to overlap both an X electrode and a Y electrode which are adjacent to each other. In a pad part of the X electrode, an area is larger toward the center of the X electrode and an area is smaller toward the center of the adjacent X electrode. Therefore, the nonconductive input means can be used, and highly accurate position detection is realized with a small number of electrodes even when a touch area is small. | 10-15-2009 |
20100007628 | Screen Input-Type Image Display System - A touch sensor ( | 01-14-2010 |
20100020032 | Display Device - A display device having an electrostatic capacity touch panel includes: X electrodes XP and Y electrodes YP which intersect each other via a first insulating layer; and a plurality of Z electrodes disposed in a floating state via a second insulating layer. For the second insulating layer, a material such as an elastic insulating material which changes in thickness by pressing of touch is used. The Z electrode is disposed so as to overlap both one of the X electrodes and one of the Y electrodes. A pad part of the X electrode has a largest area in the vicinity of a thin line part of the X electrode, and a smallest area in the vicinity of the thin line part of the adjacent X electrode. An area of the pad part is reduced as the pad part departs from the thin line part of the X electrode. | 01-28-2010 |
20100085322 | COORDINATE INPUT DEVICE AND DISPLAY DEVICE WITH THE SAME - A capacitance detection device of a capacitance system includes: a capacitance sensor electrode for detecting a capacitance; a power source for supplying charges to be charged in the capacitance sensor electrode; an electric charge storage capacitor in which an amount of charges to be charged therein changes according to the electric charges charged in the capacitance sensor electrode; and a switch for changing a reference potential of the electric charge storage capacitor. The reference potential of the electric charge storage capacitor is changed in a period of measuring the capacitance. | 04-08-2010 |
20100134440 | DISPLAY DEVICE - The display device is provided with X electrodes XP and Y electrodes YP which cross with a first insulating layer in between and a number of Z electrodes which are electrically floating from each other with a second insulating layer in between. The Z electrodes are arranged so that each Z electrode overlaps both an adjacent X electrode and Y electrode. The pad portion of a first X electrode has such a form that the area is maximum in the vicinity of the fine wire portion of the first X electrode and the area is minimum in the vicinity of the fine wire portion of an adjacent second X electrode, and the area of the pad portion is smaller towards the direction in which the distance increases away from the vicinity of the fine wire portion of the first X electrode. A pulse signal is sequentially applied to one set of X electrodes or Y electrodes. | 06-03-2010 |
20120154334 | Liquid Crystal Display Device With Touch Screen - A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal material sandwiched between the first and second substrate. The second substrate has a touch screen electrode directly on a front-side surface of the second substrate. The first substrate has a wiring line for supplying a position detection voltage. A conductive tape electrically connects between the touch screen electrode and a driver circuit. A polarization plate is disposed above the touch screen electrode. | 06-21-2012 |
20120154465 | Liquid Crystal Display Controller - The present invention provides a liquid crystal display controller device and method which provides for a full and/or partial display with good display quality and/or low power consumption based on the scanning period for an active scan line being dependent upon a number of reference clock pulses. Some embodiments of the present invention include one or more of the following features: keeping the frequency substantially constant for different numbers of active scan lines, allowing change of the frequency due to characteristics of the LCD, displaying gradation with near linear effective voltage characteristics, displaying graduation data with lower power, or displaying a partial or full screen in a mobile device, for example, a cell phone. | 06-21-2012 |
20130207959 | Liquid Crystal Display Controller - The present invention provides a liquid crystal display controller device and method which provides for a full and/or partial display with good display quality and/or low power consumption based on the scanning period for an active scan line being dependent upon a number of reference clock pulses. Some embodiments of the present invention include one or more of the following features: keeping the frequency substantially constant for different numbers of active scan lines, allowing change of the frequency due to characteristics of the LCD, displaying gradation with near linear effective voltage characteristics, displaying graduation data with lower power, or displaying a partial or full screen in a mobile device, for example, a cell phone. | 08-15-2013 |
20130278564 | DISPLAY DEVICE - A display device includes a display panel and a touch panel built in the display panel. The touch panel includes a sensitivity correcting unit configured to correct the sensitivity of the touch panel. The sensitivity correcting unit includes a difference acquiring unit configured to acquire a signal difference (S1−S2) between a detection signal S1 acquired by detection electrodes when a driving signal V1 is input to scanning electrodes from a driving-signal supplying unit and a detection signal S2 (S1>S2) acquired by the detection electrodes when a driving signal V2 (V1>V2) different from the driving signal V1 is input to the scanning electrodes from the driving-signal supplying unit and a parameter changing unit configured to change parameters of at least one of the driving-signal supplying unit and a detecting unit when the signal difference (S1−S2) is equal to or smaller than a predetermined threshold. | 10-24-2013 |
20130285890 | DISPLAY DEVICE - An image processing unit ( | 10-31-2013 |