Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Jui-Feng
Jui-Feng Huang, Hsinchu City TW
| 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 |
Jui-Feng Huang, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20080315800 | Illumination brightness and color control system and method therefor - An illumination brightness and color control system and method therefor are provided. A broadband light source monitor senses and samples a point light source for a luminous intensity signal value. Then, a corrected current value is computed based on a difference between the luminous intensity signal value and a target brightness/color value, and a driving current generated by a light source driver to drive the point light source is adjusted according to the corrected current value. | 12-25-2008 |
| 20090015172 | LIGHT SOURCE APPARATUS AND DRIVING APPARATUS THEREOF - A light source driving apparatus to drive at least one light source module includes a switch unit for coupling in series with an AC power source and the light source module; a clock synchronization unit for coupling to the AC power source and to provide a clock synchronization signal in accordance with an AC voltage of the AC power source; a control unit coupled to receive the clock synchronization signal and to provide to the switch unit an adjusting signal according to a timing of the clock synchronization signal; and a feedback unit coupled to the control unit and to detect a load state of the light source module, the feedback unit configured to provide to the control unit a feedback signal having a value representative of the detected load state of the light source module. The control unit is configured to modulate a pulse width of the adjusting signal according to the feedback signal and a preset brightness value of the light source module, the switch unit responsive to the adjusting signal to open and close to apply the AC voltage to the light source module in accordance with the modulated pulse width. | 01-15-2009 |
Jui-Feng Ko, Miao-Li County TW
| Patent application number | Description | Published |
|---|---|---|
| 20110057915 | DRIVING METHOD OF LIQUID CRYSTAL DISPLAY - A liquid crystal display comprising a display region, a control unit, a plurality of source drivers located along a first direction, and a plurality of gate drivers located along a second direction orthogonal to the first direction. A driving method of the liquid crystal display comprises dividing the display region into a plurality of screen regions with each screen region is in correspondence with one source driver or one gate driver; according to the display characteristics of the screen regions. The control unit generates a plurality of regulated signals for changing the output voltage value of the corresponding driver or changing the operating time of the corresponding driver. The regulated signal are sent to the corresponding driver. | 03-10-2011 |
| 20110069046 | PIXEL ARRAY AND DRIVING METHOD THEREOF AND DISPLAY PANEL EMPLOYING THE PIXEL ARRAY - A pixel array includes pixels, scan lines, data lines, and a source driving circuit. Herein, P(2m,n) is expressed as the pixel on a 2m | 03-24-2011 |
Jui-Feng Ko, Miao-Li TW
| Patent application number | Description | Published |
|---|---|---|
| 20090153597 | Flat panel display and method for detecting resolution of image signal thereof - A flat panel display includes a data interface, a scaler control circuit, and a pulse generator configured to provide an external pulse signal to the scaler control circuit. The data interface is configured to receive an image signal including a vertical synchronization pulse signal and a horizontal synchronization pulse signal. The scaler control circuit is configured to determine a vertical resolution of the image signal by counting a number of pulses of the external pulse signal respectively between two adjacent vertical synchronization pulses and between two adjacent horizontal synchronization pulses. A method for detecting a resolution of an image signal received by the flat panel display is also provided. | 06-18-2009 |
Jui-Feng Liu, Chu-Pei City TW
| 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 |