Display panel and drive device
A driving device and driving signal technology, applied in static indicators, instruments, etc., can solve the problems of increased power consumption of gate drive integrated circuits, large parasitic capacitance, and the area of display panel occupied by gate drive integrated circuits.
Active Publication Date: 2016-06-29
INNOLUX CORP +1
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Problems solved by technology
exist figure 1 In the driving unit 1 of the present invention, since the transistors Mb, Mc, and MQ are A-SiTFTs, in order to achieve a better circuit driving capability, the size of these transistors needs to be increased, so that the gate driving integrated circuit takes up more space on the display panel. large area
In addition, the parasitic capacitance of the transistors Mb, Mc, and MQ is large, resulting in increased power consumption of the gate drive IC
Method used
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[0040] In order to make the above objects, features and advantages of the present invention more comprehensible, a preferred embodiment will be described in detail below together with the accompanying drawings.
[0041] figure 2 is a display panel according to an embodiment of the present invention. refer to figure 2 The display panel 2 includes driving devices 21 and 22, source lines SL1˜SLm, and gate lines GL1˜GLn, wherein m and n are each a positive integer. The source lines SL1-SLm are sequentially arranged in the direction DIR30, and the gate lines GL1-GLn are sequentially arranged in the direction DIR31, so the gate lines GL1-GLn are interlaced to form the display array 20. The driving device 22 is used to control SL1-SLm. The driving device 21 is disposed on one side of the display array 20 and includes driving units RU1˜RUk, where k is a positive integer. The driving units RU1˜RUk output driving signals D1˜Dn to the gate lines GL1˜GLn respectively to drive the ga...
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The invention discloses a driving device. A plurality of driving units of the driving device generate a plurality of sequentially enabled driving signals according to a plurality of clock signals. Each driving unit generates at least two driving signals and comprises a driving circuit, a first output circuit, a second output circuit and a holding circuit. Each control circuit generates a first control signal and a second control signal. Each first output circuit generates a first driving signal and enables the same according to the first control signal, the first clock signal and the second clock signal. Each second output circuit generates a second driving signal and enables the same according to the first control signal, the third clock signal and the fourth clock signal. The first driving signal and the second driving signal are sequentially enabled.
Description
technical field [0001] The present invention relates to a driving device, in particular to a driving device arranged on a display panel. Each level of driving units in the driving device can output multi-level driving signals to a display array. Background technique [0002] In a liquid crystal display, there is usually a gate driver to drive the display panel to display images. In the conventional technology, one or more gate driving integrated circuits are mostly used to drive the display panel. With the reduction of the manufacturing cost of the display and the requirement of shortening the production cycle, an amorphous silicon (A-Si) integrated gate driver (ASG) has been developed. The ASG technology uses an amorphous silicon process to implement an array process to integrate the gate driver on the display panel, so the ASG technology is also called GOP (gated driver on panel). [0003] Compared with the Poly-Si thin film transistor (thinfilm transistor, TFT) of the c...
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IPC IPC(8): G09G3/20
Inventor 黄筑琳江建学
Owner INNOLUX CORP