Innolux Corporation

Chimei Innolux Corporation

Chimel Innolux Corporation

Po-Sheng Shih

Po-Yang Chen

Chien-Yung Cheng

Hsuan-Lin Pan

Jia-Shyong Cheng

Chih-Han Chao

Tai-Shun Liao

Po-Shan Huang

Shing-Shiang Chang

An exemplary display device providing touch function includes scanning lines and data lines thereby defining lots of sub-pixel units. Each sub-pixel unit includes a pixel electrode, a storage capacitor, a compensation capacitor connected between the pixel electrode and a corresponding scanning line. In each pixel unit defined by n number adjacent sub-pixel units, both of a ratio of capacitance values between the storage capacitors formed in the corresponding sub-pixel units and a ratio of capacitance values between the corresponding compensation capacitors are respectively substantially equal to a ratio of areas between the corresponding pixel electrodes.

Display device including compensation capacitors with different capacitance values

A touch panel including a first insulation substrate, a first conductive film, a first insulation film, first conductive wires, a second insulation substrate, a second conductive film, and second conductive wires is provided. The first conductive film is disposed on the first insulation substrate and the first insulation layer covers a portion of a periphery of the first conductive film so that the first conductive film has an exposed region. The first conductive wires are disposed on the periphery of the first conductive film and each of the first conductive wires includes an electrode segment and an extending segment. The electrode segment is electrically connected with the first conductive film and the extending segment is electrically isolated from the first conductive film. The second conductive film is disposed on the second insulation substrate. The second conductive wires are disposed on the periphery of the second conductive film.

Touch panel having a insulation layer

An apparatus and a method for controlling a touch panel are disclosed herein, the apparatus includes an object detection module and an adjusting device. The object detection module can detect a position of at least one object contacting the touch panel. A position analyzer recognizes position of the object and the adjusting device can set the touch panel to a predetermined position according to the result recognized by the position analyzer.

Multi-touch detection method for touch panel

A method and a driving apparatus for identifying a sensing value of a touch panel are provided. The method includes sensing a plurality of electrodes of the touch panel to obtain raw data and baseline data of each electrode, wherein an electrode Sdenotes an ielectrode of the electrodes in the touch panel. A sensing value of the electrode Sis calculated in accordance with the raw data and the baseline data of the electrode S. When sensing values of all electrodes Sare smaller than a threshold value, the baseline data of the electrode Sis updated in accordance with the raw data of the electrode S. When a sensing value of any one electrode Sof the electrodes is larger than the threshold value, the baseline data of the electrodes is suspended from being updated.

Method and driving apparatus for identifying sensing value of touch panel

An exemplary embodiment of touch display device includes a touch panel and a signal processing circuit. The touch panel includes a plurality of touch sensing units, and each touch sensing unit includes a touch sensing element and a coupling sensing element. The signal processing circuit is electrically connected to the touch sensing element and the coupling sensing element. The touch sensing element provides a touch signal to the signal processing circuit, the coupling sensing element provides a coupling signal to the signal processing circuit, and the signal processing circuit processes the touch signal according to the coupling signal to filter an interference signal of the touch signal. A touch display device using the touch panel is also described.

Touch panel and touch display device using the same

A touch apparatus includes a touch panel, voltage storage elements, a voltage supply unit, and a processing unit. The touch panel has electrodes respectively coupled to the voltage storage elements. When the voltage supply unit does not provide the voltage to the voltage storage element, the voltage storage element achieves a voltage balance within an energy storage time and stores a voltage of the corresponding electrode. The energy storage times of a part of the voltage storage elements at least partially overlap. The energy storage times of two the voltage storage elements respectively coupled to two adjacent electrodes do not overlap with each other. The processing unit is coupled to the electrodes and the voltage storage elements and adopts voltages stored in the voltage storage elements when the voltage balance is achieved.

Touch apparatus and driving method

A touch panel and a differential detection method thereof are disclosed. A controller provides a driving signal to the i-th scan electrode. During providing the driving signal to the i-th scan electrode, the controller senses the feature difference value between two neighboring sensing electrodes within the plural sensing electrodes, and senses the feature difference value &#x394;Ci between the k-th sensing electrode within the sensing electrodes and a reference feature value, in which the feature difference values between the j-th sensing electrode and the (j+1)-th sensing electrode is represented by &#x394;C(i,j). The controller set the feature value of a base sensing point within a plurality of sensing points of the touch panel as a base feature value, and use the base feature value, the feature difference values &#x394;Ci and the feature difference values &#x394;C(i,j) to calculate the feature values of the sensing points.

Touch panel and differential detection method for same

A capacitive touch panel includes a first conductive film with anisotropic impedance, a second conductive film with conductive structures, and an insulating layer disposed between the first conductive film and the second conductive film. The conducting direction of the conductive structures is perpendicular to the direction of least impedance of the first conductive film.

Capacitive touch panel

The present disclosure is directed to a touch panel and a method of locating a touch point. An insulating layer is disposed between a first insulating substrate and a second insulating substrate. A first conductive film with anisotropic impedance is disposed between the first insulating substrate and the insulating layer, and a second conductive film with anisotropic impedance is disposed between the insulating layer and the second insulating substrate. Multiple first pads are disposed on a peripheral region of the first conductive film along a first direction, and multiple second pads are disposed on a peripheral region of the second conductive film along a second direction. The first conductive film has least impedance along the second direction, and the second conductive film has least impedance along the first direction.

Touch panel and a method of locating a touch point of the same

A positioning method and a driving apparatus of a touch panel are provided. The touch panel includes a conductive layer with anisotropic conductivity, a plurality of first electrodes and a plurality of second electrodes. The first electrodes and the second electrodes are respectively disposed on a first side and a second side of the conductive layer. The first electrodes and the second electrodes are sensed to obtain a plurality of sensing values. A first relative extreme portion at least having a relative extreme is defined among the first electrodes. A second relative extreme portion at least having a relative extreme is defined among the second electrodes. A ratio of sensing values is calculated according to the first relative extreme portion and the second relative extreme portion. A position of a touch point on the touch panel in a first axial direction is calculated with the ratio of sensing values.

Positioning method and driving apparatus of touch panel

A multi-touch detecting method is adapted for detecting touched points on a touch panel that includes first and second conductive films. The first conductive film exhibits electric anisotropy, and has a lower resistivity in a first direction. The multi-touch detecting method includes: applying a first voltage to the first conductive film; applying a second voltage greater than the first voltage to the second conductive film; measuring sequentially voltages at different measuring points of the first conductive film; obtaining a first local maximum voltage, a second local maximum voltage and a local minimum voltage from the measured voltages; determining a first location of the touched points based on a location of the measuring point corresponding to the first local maximum voltage; and determining a second location of the touched points based on a location of the measuring point corresponding to the second local maximum voltage.

Multi-touch detecting method for detecting locations of touched points on a touch panel

A method for detecting a touched position on a touch device including a first conductive layer and sensing electrodes disposed on one side of the first conductive layer and separated from each other is disclosed. The method includes providing a first voltage to the first conductive layer; receiving a touch signal in response to a touched position of the touch device to change the first voltage at an area of the first conductive layer; measuring the sensing electrodes detecting the variation of the first voltage to obtain voltage signals; obtaining a first sensing position according to the voltage signals and a position computing mode; obtaining a second sensing position according to the first sensing position and a correction mode. The area corresponds to the touched position, the second sensing position is equal to the touched position, and the correction mode has a first curve relation.

Method for detecting a touched position on a touch device

A multi-touch detecting method is adapted for detecting locations of touched points on a touch panel including first and second conductive films, and includes following steps. First measuring points of the first conductive film distributed along X-axis of a Cartesian plane are scanned, and x-components are determined accordingly. Second measuring points of the second conductive film distributed along Y-axis of the Cartesian plane are scanned, and y-components are determined accordingly. A first voltage is applied to the first conductive film, and A second voltage is applied to at least one of the second measuring points with the location on the Y-axis adjacent to or overlapping one of the y-components. Voltages at the first measuring points with the locations on the X-axis adjacent to or overlapping the x-components are measured sequentially and one of the y-components and one of the x-components are outputted.

Touch panel and multi-touch detecting method thereof

A touch device includes a first conductive film, a plurality of first electrodes, a first auxiliary electrode, a plurality of second electrodes, a second auxiliary electrode, and a second conductive film. The first conductive film has a first side, a second side, a first area, and a second area. The first electrodes are disposed at the portion of the first side located at a side of the first area. The first auxiliary electrode is disposed at the portion of the first side located at a side of the second area. The second electrodes are disposed at the portion of the second side located at another side of the second area. The second auxiliary electrode is disposed at the portion of the second side located at another side of the first area. The second conductive film is disposed beside the first conductive film.

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Miao-Li County, Taiwan

Po-Sheng Shih