Patent application number | Description | Published |
20120299896 | PIXEL STRUCTURE AND DISPLAY SYSTEM UTILIZING THE SAME - A pixel structure including a first switching transistor, a setting unit, a capacitor, a driving transistor, a second switching transistor and a luminous element is disclosed. The capacitor is coupled between a first and a second node. The first switching transistor transmits a data signal to the first node according to a scan signal. The driving transistor includes a threshold voltage and a gate coupled to the second node. The second switching transistor includes a gate receiving an emitting signal. The luminous element is coupled to the driving transistor and the second switching transistor in series between a first operation voltage and a second operation voltage. The setting unit controls the voltage levels of the first and the second nodes to compensate the threshold voltage of the driving transistor. | 11-29-2012 |
20130016135 | DISPLAY SYSTEM AND CONTROL METHOD THEREOFAANM WANG; Shou-ChengAACI Miao-Li CountyAACO TWAAGP WANG; Shou-Cheng Miao-Li County TWAANM CHEN; Tse-YuanAACI Miao-Li CountyAACO TWAAGP CHEN; Tse-Yuan Miao-Li County TWAANM TSENG; Chih-ChiangAACI Miao-Li CountyAACO TWAAGP TSENG; Chih-Chiang Miao-Li County TWAANM PENG; Du-ZenAACI Miao-Li CountyAACO TWAAGP PENG; Du-Zen Miao-Li County TW - A display system including a driving circuit and a display panel is disclosed. The display panel displays an image according to the data signals and the scan signals and includes a first driving unit, a second driving unit, a first luminous element, a second luminous element and a third luminous element. The first driving unit includes a first driving transistor to generate a first driving current. The second driving unit includes a second driving transistor to generate a second driving current. The first luminous element is lighted according to the first driving current when a first emitting signal is activated. The second luminous element is lighted according to the first driving current when a second emitting signal is activated. The third luminous element is lighted according to the second driving current when the first emitting signal is activated. | 01-17-2013 |
20130027380 | DISPLAY SYSTEM - A display system including at least one pixel is disclosed. The pixel includes a switching unit and a controlling unit. The switching unit controls a level of a first node. The controlling unit controls a level of a second node. During a first period, the level of the first node equals to a first reference level and the level of the second node equals to a second reference level. During a second period, the level of the first node equals to a third reference level and the voltage difference between the first and the second nodes equals to a threshold voltage of a driving unit. During a third period, the level of the first node equals to a data signal. During a fourth period, the driving unit lights a luminescence unit according to the voltage difference between the first and the second nodes. | 01-31-2013 |
20130249885 | DISPLAY DEVICES, SENSING CIRCUITS AND METHODS FOR SENSING AND COMPENSATING FOR THRESHOLD VOLTAGE SHIFT OF TRANSISTOR - A display device includes a pixel array and a sensing circuit. The pixel array includes multiple active display pixels and at least one dummy display pixel. The active display pixels and the dummy display pixel respectively include a transistor. The sensing circuit is coupled to the transistor of the dummy display pixel for sensing a voltage at the transistor and generates a trigger signal according to the sensed voltage, where a voltage generating device in the display system generates or adjusts a first control voltage according to the trigger signal and the transistors of the active display pixels and the dummy display pixel are turned off in response to the first control voltage. | 09-26-2013 |
20130335680 | ORGANIC LIGHT-EMITTING DEVICE AND IMAGE DISPLAY SYSTEM EMPLOYING THE SAME - An organic light-emitting device and an image display system employing the same are provided. The organic light-emitting device includes: a first substrate; an organic light-emitting pixel structure disposed on a top surface of the first substrate; a second substrate having a bottom surface opposite to the top surface. of the first substrate; and an optical functional layer disposed over the organic light-emitting pixel structure. | 12-19-2013 |
20150048353 | ORGANIC LIGHT-EMITTING DEVICE AND IMAGE DISPLAY SYSTEM EMPLOYING THE SAME - An organic light-emitting device and an image display system employing the same are provided. The organic light-emitting device includes: a first substrate; an organic light-emitting pixel structure disposed on a top surface of the first substrate; a second substrate having a bottom surface opposite to the top surface of the first substrate; and an optical functional layer disposed over the organic light-emitting pixel structure. | 02-19-2015 |