Patent application number | Description | Published |
20080198626 | Backlight module - A backlight module has a light guide plate and a plurality of light sources. The light guide plate includes a light exit surface, a plurality of light entrance surfaces round the light exit surface, and a plurality of light guide portions disposed on the bottom surface opposite to the light exit surface. The light guide portions corresponding to the same imaginary circle center constitute a concentric arc-shaped light guide portion set. The imaginary circle center of each light guide portion set is located at the outer side of the light entrance surfaces. Light rays projected to one of the light entrance surfaces from the imaginary circle center of each light guide portion set are guided to a light exit surface by the light guide portion set. The wavelength of the light ray projected by each light source is not equal to that of the light projected by another light source. | 08-21-2008 |
20080297467 | METHOD FOR BACKLIGHT MODULATION AND IMAGE PROCESSING - A method for backlight modulation and image processing is disclosed to control the backlight to modulate the brightness with different image data inputs and re-process the original image data. In the part of the backlight control, the method comprises acquiring a reference value, APL (average picture level), based on histogram analysis and the judgment process of backlight modulation by an algorithm. In the part of the image processing, the method comprises extracting a value correlating to the brightness from RGB data value with the transformation rule between different color spaces and re-mapping the value and outputting another image data value. | 12-04-2008 |
20090116740 | IMAGE PROCESSING METHOD - An image processing method for individually processing an image of each pixel unit is provided. A red-green-blue color space signal to be input to a pixel unit is transformed into a first brightness signal. The red-green-blue color space signal includes a first red signal, a first green signal and a first blue signal. The first brightness signal is transformed into a second brightness signal to obtain a contrast factor, wherein the contrast factor is a ratio of the second brightness signal and the first brightness signal. The first red signal, the first green signal and the first blue signal are multiplied by the contrast factor to obtain a second red signal, a second green signal and a second blue signal. The second red signal, the second green signal and the second blue signal are performed by color enhancement to obtain a high contrast and colorful image. | 05-07-2009 |
20090160817 | TRANSPARENT CAPACITIVE TOUCH PANEL AND MANUFACTURING METHOD THEREOF - A transparent capacitive touch panel comprising a transparent substrate, a transparent cover lens and a transparent adhesive layer is provided, wherein a first transparent electrode layer and a second transparent electrode layer are disposed on the transparent cover lens and the transparent substrate respectively. The transparent adhesive layer is used to bind the first transparent electrode layer and second transparent electrode layer in order to combine the transparent cover lens and the transparent substrate disposed in parallel. Thereby, the manufacturing process of the transparent capacitive touch panel is simplified, and the manufacturing cost of the same is lowered. | 06-25-2009 |
20090160871 | IMAGE PROCESSING METHOD, IMAGE DATA CONVERSION METHOD AND DEVICE THEREOF - An image data conversion method is provided. The method comprises the following steps of (a) receiving an original image data having three basic-color sub-pixel data and (b) calculating at least one color-enhancing sub-pixel data according to any two basic-color sub-pixel data so as to convert the original image data into an image data having at least three basic-color sub-pixel data and one color-enhancing sub-pixel data. The calculation of the color-enhancing sub-pixel data is represented as: | 06-25-2009 |
20090180707 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus and an image processing method. The image processing apparatus includes a first convolution unit, a weight generator, a second convolution unit, an arithmetic unit and an outputting unit. The first convolution unit performs a convolution to output edge strength according to an original image signal and a high pass filter mask. The weight generator chooses a weight coefficient according to the edge strength. The second convolution unit performs a convolution to output an unsharp image signal according to the original image signal and a low pass filter mask. The arithmetic unit outputs a first sharpening signal according to the original image signal, the unsharp image signal and the weight coefficient. The outputting unit outputs a processed image signal according to the original image signal and the first sharpening signal. | 07-16-2009 |
20090207194 | DRIVING METHOD - A driving method adapted to driving an optical touch panel is provided. The optical touch panel is disposed on a backlight module and has a plurality of touch sensing elements. The touch sensing elements have a light-shading sensing mode and a light-reflecting sensing mode. The driving method includes sensing an intensity of an ambient light. When the intensity of the ambient light is greater than a reference, the touch sensing elements operate in the light-shading sensing mode. Alternately, when the intensity of the ambient light is smaller than the reference, the touch sensing elements operate in the light-reflecting sensing mode. The abovementioned driving method is help for the optical touch panel to accurately sensing in various conditions of different ambient lights such that the usage of the optical touch panel is more convenient. | 08-20-2009 |
20090211891 | TOUCH PANEL AND DRIVING METHOD OF TOUCH PANEL - A touch panel including a first substrate, a second substrate, a first conductive layer, a second conductive layer, a third conductive layer, and a number of spacers is provided. The first substrate has an upper surface and a bottom surface opposite to the upper surface. The second substrate is parallel to the first substrate. The first conductive layer is disposed on the upper surface of the first substrate, while the second conductive layer is disposed on the bottom surface of the first substrate. The third conductive layer is disposed on the second substrate and interposed between the second substrate and the second conductive layer. The spacers are interposed between the second conductive layer and the third conductive layer. The touch panel has functions of multi-touch, contact-touch and non-contact touch, and the touch panel can be operated by conductive objects or dielectric objects. | 08-27-2009 |
20090284461 | METHOD FOR DISPLAYING IMAGE - An image display method for a display apparatus is provided. The display apparatus has a light source module for providing a light source. An original image including a plurality of original pixels is provided, wherein each original pixel is represented by a plurality of first gray levels. A histogram is established according to the first gray levels. An adjustment factor is established according to the histogram, and the brightness of the light source is adjusted according to the adjustment factor. A brightness factor is established, and the original pixels are transformed into a plurality of output pixels according to the brightness factor such that the display apparatus displays an output image according to the output pixels. Each of the output pixels is represented by a plurality of second gray levels, and each of the second gray levels is the product of the first gray level and the corresponding brightness factor. | 11-19-2009 |
20100002010 | COLOR CORRECTION METHOD AND COLOR CORRECTING INTEGRATED CHIP - A color correction method is provided. Grey values of three primary colors of an image data are transformed into initial characteristic values in a color space. Three sets of characteristic values of a to-be-corrected apparatus when the apparatus displays the primary colors respectively are measured. The characteristic values of the image data are transformed into a set of adjusted brightness values of the primary colors according to the characteristic values and a color space transformation equation. Gamma curves of the apparatus when displaying the primary colors are measured and modified to generate new grey-value vs. brightness relationships for the primary colors, so as to obtain adjusted grey values of the primary colors corresponding to the adjusted brightness values. | 01-07-2010 |
20100141595 | TOUCH DISPLAY PANEL - A touch display panel including scan lines, data lines, pixel units electrically connecting the scan lines and the data lines, at least a sensing-signal line locating between the pixel units, and at least a touch-sensing device is provided. Each touch-sensing element includes a set of sensing pads and a signal transmission element. The set of the sensing pads includes a first pad and a second pad separated from each other. The first pad and the second pad are respectively electrically connected to the scan line and the sensing-signal line. The signal transmission element is located above the set of the sensing pads. When a position where the touch-sensing element is disposed is pressed, the signal transmission element directly contacts the first pad and the second pad. When the position where the touch-sensing element is disposed is unpressed, the first pad and the second pad are electrically insulated. | 06-10-2010 |
20100182278 | RESISTIVE TOUCH CONTROL DEVICE AND DRIVING METHOD AND DRIVING CONTROLLER THEREOF - A resistive touch control device and driving methods and a driving controller thereof are provided to switch operation modes of a touch panel. Depending on the user's requirement, the touch panel can be operated in multi-touch mode or only in an analog mode with high resolution. In other words, the touch control device can be operated in a digital mode, the analog mode, or a hybrid mode including both of the digital and the analog modes. | 07-22-2010 |
20100195188 | ELECTROPHORETIC DISPLAY PANEL AND ELECTROPHORETIC DISPLAY APPARATUS - An electrophoretic display panel includes a transparent substrate, a first electrode, a transparent wall, a plurality of display media, and a plurality of reflective elements. The first electrode is disposed on the transparent substrate. The transparent wall is disposed on the first electrode to define a plurality of micro-cell structures on the first electrode. Each of the micro-cell structures is respectively filled with the display media, and each of the display media has a plurality of colored particles. Each of the reflective elements is disposed on a projection direction of the transparent wall on the transparent substrate. An electrophoretic display apparatus is also provided. The electrophoretic display panel and the electrophoretic display apparatus can be used on condition of various illuminations and have advantages of maintaining display brightness and ensuring low power consumption. | 08-05-2010 |
20100225629 | PHOTO SENSING MODULE HAVING PROTECTION FUNCTION AND DISPLAY DEVICE - A photo sensing module is provided on a first substrate and includes a photo sensing device and a protection wiring. A gap exists between the photo sensing module and an external circuit, and the photo sensing device is provided on the first substrate. The protection wiring is electrically-conductive and located between the external circuit and at least a portion of the photo sensing device. | 09-09-2010 |
20100265263 | IMAGE DISPLAY METHOD - An image display method including following steps is provided. A backlight of a display panel is adaptively adjusted according to a backlight adjustment factor related to the intensity value of an external light and the brightness of an original image. Brightness factors of the original image are corrected according to the adjustment of the backlight, and the original image is reset by using the corrected brightness factors and original color factors. Thereby, the problem of image distortion caused by backlight adjustment can be reduced. | 10-21-2010 |
20100277453 | METHOD OF DRIVING ELECTRONIC PAPER - A method of driving an electronic paper solving an image sticking problem is provided. First, a frame writing process is executed, wherein a turn-on voltage is supplied to scan lines to enable transistors, and a frame data voltage is supplied to display units through data lines to write a frame. Then, a frame holding process is executed, wherein a turn-off voltage and an auxiliary data voltage are respectively supplied to the scan lines and the data lines to disable the transistors, and a first common voltage is provided by a common electrode layer. During the frame holding process, the first common voltage and the frame data voltage are applied to hold the frame, the turn-off voltage, the auxiliary data voltage, and the first common voltage are fixed voltages, and the auxiliary data voltage is substantially equal to the first common voltage and greater than the turn-off voltage. | 11-04-2010 |
20100302180 | TOUCH APPARATUS AND TOUCH SENSING METHOD - A touch apparatus including a touch panel and a touch sensing circuit is provided. The touch panel includes a first transparent substrate, a plurality of first conductive patterns, a second transparent substrate, a plurality of second conductive patterns and a plurality of spacers. The touch sensing circuit includes a first demultiplexer, a second demultiplexer, a first multiplexer, a second multiplexer, a third multiplexer, a fourth multiplexer, a fifth multiplexer, a sixth multiplexer and an analog/digital converter (ADC). The fifth multiplexer and the sixth multiplexer are used for modulating a signal receiving range of the ADC and thus the touch sensing circuit is easily judge a correctness of a sensing signal. | 12-02-2010 |
20100321214 | TOUCH SENSING METHOD FOR RESISTIVE TYPE TOUCH APPARATUS - A touch sensing method for a resistive type touch apparatus includes a touch panel and a driving circuit. In the touch sensing method, a single-touch mode or a multi-touch mode can be selected. In addition, the touch sensing method includes an analog driving method and a digital driving method to equip the resistive type touch apparatus with at least two sorts of resolutions. | 12-23-2010 |
20110141034 | TOUCH PANEL - A touch panel having a transparent region and a peripheral region surrounding the transparent region is provided. The touch panel includes a transparent cover, a touch device, a light-shielding layer, a layer of conductive lines, and a touch chip. The transparent cover has a touch surface and a device mounting surface opposite thereto. The touch device is disposed on the device mounting surface and at least located at the transparent region. The light-shielding layer is disposed on the transparent cover and located inside the peripheral region. The layer of conductive lines is disposed on the device mounting surface, located inside the peripheral region, and electrically connected to the touch device. The touch chip is disposed on the layer of conductive lines through a chip-on-glass process. | 06-16-2011 |
20110157043 | ACTIVE DEVICE ARRAY SUBSTRATE AND TOUCH DISPLAY PANEL - An active device array substrate including an active device array and a plurality of touch sensing electrodes is provided. The active device array is disposed on a substrate. The touch sensing electrodes are disposed on the substrate, and the active device array and the touch sensing electrodes are insulated with each other so as to form a sensing capacitance between the active device array and the touch sensing electrodes. | 06-30-2011 |
20110175846 | TOUCH DISPLAY PANEL - A touch display panel including a cover plate, a plurality of touch sensing electrodes and a display panel is provided. The touch sensing electrodes are disposed on a surface of the cover plate. The display panel is adhered to the cover plate via an adhesion layer, and includes a substrate, a plurality of scan lines, an opposite substrate parallel to the substrate and a display medium layer disposed between the substrate and the opposite substrate. The touch sensing electrodes are disposed between the cover plate and the substrate. The scan lines are disposed on a surface of the substrate, wherein the scan lines and the touch sensing electrodes are disposed at different sides of the substrate and a sensing capacitance is formed between the touch sensing electrodes and the scan lines. | 07-21-2011 |
20110248952 | TOUCH DISPLAY APPARTUS - A touch display apparatus including a display module, a circuit board, and an insulation elastic element is provided. The display module has a display surface, and the display module includes a metal frame, wherein at least of a portion of the metal frame is opposite to the display surface. The circuit board is disposed at a side of the display module away from the display surface. The circuit board has a plurality of capacitance sensing element disposed corresponding to a plurality of corners of the display module. The insulation elastic element is disposed between the circuit board and the display module. The capacitance sensing elements are separated from the metal frame at a changeable distance and a sensed capacitance formed between the capacitance sensing elements and the metal frame is changed with the changeable distance. | 10-13-2011 |
20120325640 | CAPACITIVE TOUCH PANEL - A transparent capacitive touch panel comprising a transparent substrate, a transparent cover lens and a transparent adhesive layer is provided, wherein a first transparent electrode layer and a second transparent electrode layer are disposed on the transparent cover lens and the transparent substrate respectively. The transparent adhesive layer is used to bind the first transparent electrode layer and second transparent electrode layer in order to combine the transparent cover lens and the transparent substrate disposed in parallel. Thereby, the manufacturing process of the transparent capacitive touch panel is simplified, and the manufacturing cost of the same is lowered. | 12-27-2012 |
20130001059 | CAPACITIVE TOUCH PANEL - A transparent capacitive touch panel comprising a transparent substrate, a transparent cover lens and a transparent adhesive layer is provided, wherein a first transparent electrode layer and a second transparent electrode layer are disposed on the transparent cover lens and the transparent substrate respectively. The transparent adhesive layer is used to bind the first transparent electrode layer and second transparent electrode layer in order to combine the transparent cover lens and the transparent substrate disposed in parallel. Thereby, the manufacturing process of the transparent capacitive touch panel is simplified, and the manufacturing cost of the same is lowered. | 01-03-2013 |