Patent application number | Description | Published |
20090015174 | LIGHT SOURCE APPARATUS AND DRIVING APPARATUS THEREOF - A light source apparatus and a driving apparatus thereof are provided. The driving apparatus includes a first node, a second node, a clock synchronization unit, a control unit, a switch unit, and a feedback unit. The driving apparatus receives an AC voltage through the first and the second nodes. The clock synchronization unit converts the AC voltage into a clock synchronization signal. The control unit converts a preset brightness value into a driving current, outputs an adjusting signal according to a timing of the clock synchronization signal, and modulates a pulse width of the adjusting signal according a feedback signal. The switch unit determines whether or not the AC voltage is provided to the light source module according to a control of the adjusting signal. The feedback unit detects a load state of the light source module, and outputs the feedback signal to the control unit according a detection result. | 01-15-2009 |
20090189842 | BACKLIGHT CONTROL APPARATUS - A backlight control apparatus for controlling a backlight device for a liquid crystal display (LCD), the backlight device including a plurality of light-emitting components, the backlight control apparatus including: a synchronization unit to provide a synchronization signal; an image processing module to receive a video image signal representing a video image, the image processing module being configured to divide the video image into a plurality of block areas and generate a plurality of pulse-width modulation (PWM) data signals each corresponding to one of the plurality of block areas; a control module coupled to the synchronization unit and the image processing module, the control module being configured to generate a plurality of PWM signals based on the plurality of PWM data signals and the synchronization signal; and a driving module coupled to the control module, the driving module being configured to drive the backlight device based on the plurality of PWM signals. | 07-30-2009 |
20100020062 | STEREO DISPLAY AND DISPLAY - A stereo display including a display panel unit, a shutter glasses unit, and a backlight unit is provided. The display panel unit sequentially displays a right eye image and a left eye image according to a right eye synchronizing vertical signal and a left eye synchronizing vertical signal. The shutter glasses unit has a right eye glass and a left eye glass, wherein the right eye glass is synchronously opened according to the right eye synchronizing vertical signal, and the left eye glass is synchronously opened according to the left eye synchronizing vertical signal. The backlight unit provides a light source to the display panel unit, wherein the backlight unit is synchronously turned on and off according to the right eye synchronizing vertical signal, and the backlight unit is also synchronously turned on and off according to the left eye synchronizing vertical signal. | 01-28-2010 |
20100165084 | STEREOSCOPIC DISPLAY APPARATUS AND DISPLAY METHOD - A stereoscopic display apparatus and a display method are provided. The stereoscopic display apparatus includes a display panel, a dynamic-backlight module, a tracking panel, an optical lens array. The display has an updated region and a non-updated region during a frame period the display panel displays according a first synchro-signal. The dynamic-backlight module has a plurality of light-emitting regions and the light-emitting regions are turned-on according to a second synchro-signal. The first synchro-signal and the second synchro-signal are synchronal. During the frame period, parts of the light-emitting regions corresponding to the updated region are synchronally turned-on and parts of the light-emitting regions corresponding to the non-updated region are synchronally turned-off. A light provided by at least the part of the light-emitting regions turned-on passes through one silt set and the display panel such that one of the single-eye images is only displayed by the non-updated region. | 07-01-2010 |
20120218225 | OPTICAL SCANNING TYPE TOUCH APPARATUS AND OPERATION METHOD THEREOF - An optical scanning-type touch apparatus and an operation method thereof are provided. The optical scanning-type touch apparatus includes a touch area, a light scanning module, an imaging module and a calculating unit. The light scanning module is disposed at one corner of the touch area to emit a scanning light for scanning the touch area. The imaging module is disposed at another corner of the touch area adjacent the light scanning module to obtain a first angle between the scattering light and a edge of the touch area, wherein the edge of the touch area is between the light scanning module and the imaging module. The calculating unit receives the first angle, a second angle and a distance between the light scanning module and the imaging module to calculate a position of the object on the touch area. | 08-30-2012 |
20130105945 | MULTI-JUNCTION PHOTODIODE IN APPLICATION OF MOLECULAR DETECTION AND DISCRIMINATION, AND METHOD FOR FABRICATING THE SAME | 05-02-2013 |
20130119877 | LIGHT SOURCE APPARATUS AND DRIVING APPARATUS THEREOF - A light source driving apparatus including a voltage converting unit, a switching unit, a feedback unit and a control unit is provided. The voltage converting unit provides a driving current to drive a light source module. The switching unit is controlled to be conducted or not by a switch signal. The feedback unit detects a load status of the light source module, and provides a feedback signal accordingly. The control unit modulates pulse widths of the switch signal according to the feedback signal, a signal upper limitation, and a signal lower limitation, so as to control the switching unit to be conducted. The voltage converting unit includes an energy storage element. When the switching unit is conducted, the energy storage element stores a part of energy provided by the input power source. When the switching unit is not conducted, the energy storage element provides the driving current. | 05-16-2013 |
Patent application number | Description | Published |
20090198922 | FILE-COPYING APPARATUS OF PORTABLE STORAGE MEDIA - The present invention provides a portable file-copying apparatus which includes a first connecting unit, a second connecting unit, and a control unit. The first connecting unit can receive a first portable storage media which includes an original file. The second connecting unit can receive a second portable storage media. Furthermore, the control unit is connected to the first connecting unit, the second connecting unit, and a memory. The control unit is applied for storing the original file in the memory, and copying the file to the second portable storage media in accordance with a control signal. | 08-06-2009 |
20110219176 | FILE-COPYING APPARATUS OF PORTABLE STORAGE MEDIA - The present invention provides a portable file-copying apparatus which includes a first connecting unit, a second connecting unit, and a control unit. The first connecting unit can receive a first portable storage media which includes an original file. The second connecting unit can receive a second portable storage media. Furthermore, the control unit is connected to the first connecting unit, the second connecting unit, and a memory. The control unit is applied for storing the original file in the memory, and copying the file to the second portable storage media in accordance with a control signal. | 09-08-2011 |