Flat-panel display with multi-branch interfaces
A flat-panel display and multi-branch technology, applied in static indicators, cathode ray tube indicators, instruments, etc., can solve problems such as poor eye diagram of the driver chip, limitation of the timing controller, adjustment of the internal setting of the driving signal, etc.
Active Publication Date: 2014-01-29
NOVATEK MICROELECTRONICS CORP
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Problems solved by technology
[0004] In this case, since the timing controller 100 broadcasts and transmits the driving signal to all the driving chips through the multi-branch interface, it is impossible to adjust the driving signal or the internal settings of each driving chip for control according to the state of each driving chip. Therefore, the timing controller 100 More limited on the control driver chip
[0005] For example, the driver chip far away from the timing controller 100 (such as the driver chip DIC in the multi-branch interface flat panel display 10 1 ) may be unrecognizable because the eye diagram of the received driving signal is too poor. At this time, since all the driving chips are the same to the timing controller 100, individual adjustments cannot be made, resulting in the display of problematic images.
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[0016] Please refer to Figure 2A , Figure 2A It is a schematic diagram of a multi-drop interface flat panel display 20 in an embodiment of the present invention. like Figure 2A As shown, the multi-branch interface flat panel display 20 includes a timing controller 200 and a driver chip DIC 1 '~DIC 6 '. Driver chip DIC 1 '~DIC 6 'By a hardware setting with individual hardware setting value HSV 1 ~HSV 6 , the timing controller 200 transmits at least one signal (such as a picture signal, a latch data signal, a polarity control signal, a drive signal or a control signal, etc.) to the driver chip DIC through at least one multi-branch interface 1 '~DIC 6 ’, wherein, the timing controller 200 and the driver chip DIC 1 '~DIC 6 'In a specific driver chip DIC x 'According to a corresponding specific individual hardware setting value HSV x to communicate (specific driver chip DIC x ' can be any driver chip). In this case, the timing controller 200 can individually targe...
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The invention discloses a flat-panel display with multi-branch interfaces. The flat-panel display comprises a plurality of driving chips and a time schedule controller, the driving chips are set by hardware and have a plurality of individual hardware set values, and the time schedule controller is used for transmitting at least one signal to the driving chips by the aid of at least one multi-branch interface and communicated with one specific driving chip among the driving chips according to one corresponding specific individual hardware set value among the individual hardware set values.
Description
technical field [0001] The present invention relates to a multi-drop interface flat-panel display, in particular to a device that enables different driver chips to have different hardware settings through hardware settings, so that the timing controller and each driver chip can communicate with each other for adjustment. , and a multi-branch interface flat-panel display with more flexible applications. Background technique [0002] With the high resolution and multi-gray scale of liquid crystal display devices, the amount of data transmission between the timing controller and the driving chip (source driver) in the panel driving device has increased rapidly, resulting in a sharp increase in the number of lines, power consumption and electromagnetic interference And other issues. For this reason, the industry proposes a multi-drop interface to solve the above-mentioned problems such as the number of lines and power consumption. [0003] Please refer to Figure 1A to Figure ...
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IPC IPC(8): G09G5/02G09G5/04
Inventor 苏嘉伟杨舜勋李信宏方柏翔曾柏瑜林立堂
Owner NOVATEK MICROELECTRONICS CORP