Patent application number | Description | Published |
20100259487 | INPUT DETECTION SYSTEMS AND METHODS FOR DISPLAY PANELS WITH EMBEDDED PHOTO SENSORS - A method of for identifying multiple optical inputs to a display area with embedded photo sensors includes providing a display area with embedded photo sensors configured to display visual information; receiving a first and a second input optically transmitted to a first and a second location on the display area, respectively; processing the first and second inputs to identify at least one of (1) the location of the first and second inputs relative to the display area; and (2) a timing of the first and second inputs; and determining whether the first and second inputs originated from a single source or multiple sources based on at least their (1) wavelengths; (2) flash or pulse frequencies; (3) durations; (4) timings; (5) intensities; (6) modulation schemes; (7) projected input patterns; and (8) at least one estimated trace of the inputs; and providing first and second input information containing at least (1) their locations and (2) their timings. | 10-14-2010 |
20110018834 | Touch System and Recognition Method - A touch system including a touch panel and a readout circuit is disclosed. The touch panel is integrated with a plurality of photosensitive elements within pixel elements, and capable of displaying at least touch position by at least an optical inputting. The touch panel provides a signal data when the touch panel is touched. The readout circuit is configured to receive the signal data and includes a transformation unit and a processing unit. The transformation unit generates a signal value based on the signal data and a transformation parameter. The processing unit executes a specific action when the signal value is less than a preset value. | 01-27-2011 |
20110018840 | TOUCH SCREEN SYSTEM - A touch screen system includes an in-cell type optical touch device for displaying images and receiving a light signal, an out-cell type touch device for sensing a finger or a non-optical stylus, a first functional unit connected with the in-cell type optical touch device, a second functional unit connected with the out-cell type touch panel and a third functional unit connected with the first functional unit and the second functional unit. The out-cell type touch device is disposed on the in-cell type optical touch device. The first functional unit converts an analog sensing signal received by the in-cell type optical touch device into a first electrical signal. An object-sensing signal generated from the out-cell type touch panel is processed by the second functional unit to generate a second electrical signal. The third functional unit analyzes the first electrical signal and the second electrical signal and generates valid output signals. | 01-27-2011 |
20110069038 | INTERACTIVE DISPLAY PANEL - An interactive display panel includes scan lines, first data lines, sub-pixels, photo-sensors and second data lines. The scan lines and the first data lines are intersected to define sub-pixel regions. Each of the sub-pixels is located in one of the sub-pixel regions and has a display region, and each of the sub-pixels is electrically connected with one of the scan lines and one of the first data lines respectively. The photo-sensors are located outside the display regions of the sub-pixels. The scan lines and the second data lines are intersected and electrically connected with the photo-sensors. | 03-24-2011 |
20110090194 | PIXEL ARRAY AND DISPLAY PANEL HAVING THE SAME - A pixel array including a plurality of pixel structures is provided. At least one of the pixel structures has a scan line, a data line, an active device, a pixel electrode, a readout line, an electro-magnetic interference (EMI) shielding layer and a sensing device. The scan line and the data line are disposed on a substrate. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The readout line is disposed above or below a data line. The EMI shielding layer covers the data line, and is between the readout line and the data line. The sensing device is electrically connected to the scan line and the readout line. | 04-21-2011 |
20110096026 | PIXEL ARRAY AND DISPLAY PANEL HAVING THE SAME - A pixel array having a plurality of pixel structures is provided. At least one of the pixel structures includes a scan line, a data line, an active device, a pixel electrode, a capacitor electrode line, a readout line and a sensing device. The scan line and the data line are disposed on a substrate. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The capacitor electrode line electrically couples with the pixel electrode. The readout line is disposed parallel to the data line. The sensing device is electrically connected to the scan line and the readout line, and the sensing device is connected to an adjacent capacitor electrode line. | 04-28-2011 |
20110153284 | Liquid Crystal Device with Embedded Element and Method for Designing Thereof - A design method for integrating an embedded device into a liquid crystal panel is disclosed, including providing an adjustable backlight spectrum range, and determining an area ratio of sub pixels occupied by an embedded element and a readout line in a touch panel according to the adjustable backlight spectrum range. | 06-23-2011 |
20110169775 | STYLUS AND TOUCH INPUT SYSTEM - A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module. | 07-14-2011 |
20120162126 | TOUCH-SENSING DISPLAY DEVICE - A touch-sensing display device including a touch-sensing panel and a touch-sensing light source therearound is provided. The touch-sensing panel has a display surface and includes a pixel array including pixel structures and a display medium disposed on the pixel array. One pixel structure includes a scan line, a data line intersected with the scan line, an active element electrically connected to the scan line and the data line, a pixel electrode electrically connected to the active element, a capacitor electrode line electrically coupled with the pixel electrode, a readout line parallel to the data line, and a sensing element electrically connected to the scan line and the readout line and having a sensing surface facing the display surface. The touch-sensing light source provides a touch-sensing light to form a uniformed light field at the display surface. And at least one filter layer is provided above the sensing element. | 06-28-2012 |
20120268425 | SENSING APPARATUS AND SENSING METHOD FOR SENSING TOUCH POSITION ON DISPLAY PANEL - A sensing apparatus includes a sensing cell and a processing circuit. The sensing cell is disposed inside a display panel, and includes a first type sensing device and a second type sensing device. The first type sensing device is arranged to generate a first type sensing signal when the sensing cell receives an input event. The second type sensing device is adjacent to the first type sensing device, and arranged to generate a second type sensing signal when the sensing cell receives the input event, wherein a sensing ability of the first type sensing device to detect the input event is different from a sensing ability of the second type sensing device to detect the input event. The processing circuit is arranged to output a sensing output signal corresponding to the sensing cell according to a difference between the first type sensing signal and the second type sensing signal. | 10-25-2012 |
20120275133 | LASER POINTER - A laser pointer suitable for a touch display panel is provided. The laser pointer includes a main body, a laser diode and a wave plate. The main body has a containing space. The laser diode is disposed in the containing space and has a light emitting end. The wave plate is disposed on the light emitting end, wherein the laser diode is suitable for emitting a laser beam having linear polarization from the light emitting end, and the wave plate is suitable for transforming the laser beam having linear polarization into a laser beam having circular polarization, such that the laser beam is suitable for being an input signal for the touch display panel. | 11-01-2012 |
20130027350 | STYLUS AND TOUCH INPUT SYSTEM - A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module. | 01-31-2013 |
20130027358 | STYLUS AND TOUCH INPUT SYSTEM - A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module. | 01-31-2013 |
20130100087 | STYLUS AND TOUCH INPUT SYSTEM - A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module. | 04-25-2013 |
20130106802 | STYLUS AND TOUCH INPUT SYSTEM | 05-02-2013 |
20130188336 | STYLUS AND TOUCH INPUT SYSTEM - A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module. | 07-25-2013 |
20130201085 | PIXEL STRUCTURE OF ORGANIC ELECTROLUMINESCENCE DEVICE - A pixel structure of an organic electroluminescence device includes a scan line, and a data line, a bias line and a readout line on a substrate, a first switch device, a capacitor, a driving device, an organic light emitting device, a second switch device and a photo sensor device. The first switch device is electrically connected to the scan line and the data line. The capacitor is electrically connected to the first switch device and the bias line. The driving device is electrically connected to the first switch device, the capacitor and the bias line. The organic light emitting device is electrically connected to the driving device. The second switch device is electrically connected to the scan line and the readout line. The photo sensor device is electrically connected to the second switch device and the bias line. | 08-08-2013 |
20130329395 | FRAME STRUCTURE AND ASSEMBLING METHOD THEREOF - A frame structure applicable to a touch device is disclosed. The frame structure includes a housing carrying a backlight unit; a first frame disposed on the backlight unit and having first and second abutting surfaces that are perpendicular to each other; a panel disposed on the first frame; a polarizer attached to the panel; a second frame disposed outside the housing and the first frame and abutting against the second abutting surface of the first frame; and a cover plate attached to the first abutting surface of the first frame and bonded to the second frame through an adhesive layer, thereby reducing the gap between the cover plate and the panel, enhancing the strength of the cover plate, causing a touch experience to be more sensitive and precise, reducing the use of adhesive and increasing the product yield. | 12-12-2013 |
20140061651 | ELECTROPHORETIC DISPLAY DEVICE WITH PHOTO DETECTING INPUT - An electrophoretic display device includes a photosensitive transistor in a thin-film-transistor layer that may be used to receive an optical signal as input control signal. The thin-film-transistor layer also includes an electrical switch element for driving an electrophoretic layer to display content. A switching transistor may also be included in the thin-film-transistor layer for selectively turning on the photosensitive transistor. By incorporating the photosensitive transistor and the switching transistor into the existing thin-film-transistor layer of an active matrix electrophoretic display device, optical sensing touch control is made applicable in the electrophoretic display device without compromising its advantageous light, flexible, thin features. | 03-06-2014 |
20140139489 | DISPLAY DRIVING CIRCUIT WITH PHOTO DETECTING INPUT - A display driving circuit with photo detecting input includes pixel regions, pixel electrodes, gate lines, data lines, at least one photo detecting unit, at least one readout line and at least one isolation electrode. The pixel regions are aligned in a matrix configuration. The pixel electrodes are disposed in the pixel region respectively. Each of the gate lines extends along a first direction and the gate lines are disposed parallel to one another. Each of the data lines extends along a second direction and the data lines are disposed parallel to one another. The gate lines cross the data lines. The photo detecting unit is at least partially disposed in one of the pixel region and electrically connected to the readout line. The readout line is disposed between two adjacent data lines. The isolation electrode is disposed between the readout line and one of the data lines. | 05-22-2014 |
20140139490 | DISPLAY DRIVING CIRCUIT WITH PHOTO DETECTING INPUT - A display driving circuit with photo detecting input includes pixel regions, pixel electrodes, gate lines, data lines, at least one photo detecting unit and at least one readout line. The gate lines cross the data lines. The data lines include a first data line and a second data line disposed adjacently to each other. There is no data line disposed between the first data line and the second data line. The photo detecting unit is electrically connected to one of the gate lines. The readout line is electrically connected to the photo detecting unit and disposed between the first data line and the second data line. A first spacing between first data line and the readout line is wider than or equal to a second spacing between the second data line and the readout line, and the first spacing is smaller than or equal to triple the second spacing. | 05-22-2014 |
20150234534 | TOUCH SCREEN SYSTEM - A touch screen system includes an in-cell type optical touch device for displaying images and receiving a light signal, an out-cell type touch device for sensing a finger or a non-optical stylus, a first functional unit connected with the in-cell type optical touch device, a second functional unit connected with the out-cell type touch panel and a third functional unit connected with the first functional unit and the second functional unit. The out-cell type touch device is disposed on the in-cell type optical touch device. The first functional unit converts an analog sensing signal received by the in-cell type optical touch device into a first electrical signal. An object-sensing signal generated from the out-cell type touch panel is processed by the second functional unit to generate a second electrical signal. The third functional unit analyzes the first electrical signal and the second electrical signal and generates valid output signals. | 08-20-2015 |