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Electronic system with display panel

An electronic system, voltage technology, applied in the direction of static indicators, instruments, etc., can solve the problems of long power line length and different power line voltage.

Active Publication Date: 2015-12-09
INNOLUX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the display panel of the self-luminous display is larger, the length of the internal power line is also longer.
Since the power line has an equivalent impedance, the voltage at both ends of the power line is different

Method used

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  • Electronic system with display panel
  • Electronic system with display panel

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Experimental program
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Embodiment Construction

[0025] Figure 1A It is a schematic diagram of the electronic system of the present invention. As shown in the figure, the electronic system 100 includes a voltage conversion device 110 and a display panel 120 . The voltage conversion device 110 converts the input voltage V IN , converted to the output voltage V OUT . The display panel 120 receives the output voltage V OUT , and render the image. In this example, the output voltage V OUT is the direct current (DC) voltage.

[0026] The invention does not limit the input voltage V IN kind of. In other possible embodiments, the input voltage V IN For alternating current (AC) voltage or direct current voltage. In addition, the electronic system 100 can be a personal digital assistant (PDA), a cellular phone, a digital camera, a television, a global positioning system (GPS), a vehicle display, an aviation display, a digital photoframe, a notebook computer or It's a desktop computer.

[0027] The display panel 120 includ...

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PUM

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Abstract

The invention discloses an electronic system which at least comprises a display panel. The display panel is provided with a power line, a reference line, a first pixel unit, a second pixel unit, a processing unit and a voltage generation unit. The power line is provided with a first node and a second node. The reference line is provided with a third node and a fourth node. The first pixel unit comprises a first drive transistor and a first capacitor. The first drive transistor is coupled with the first node. The first capacitor is coupled between the grid electrode of the first drive transistor and the third node. The second pixel unit comprises a second drive transistor and a second capacitor. The second drive transistor is coupled with the second node. The second capacitor is coupled between the grid electrode of the second drive transistor and the fourth node. The processing unit captures the voltage of one of the first and second nodes, and generates a control signal according to the obtained capturing results. The voltage generation unit provides a first reference voltage or a second reference voltage for the reference line according to the control signal.

Description

technical field [0001] The invention relates to an electronic system, especially an electronic system with a display panel. Background technique [0002] In general, flat panel displays can be classified into non-self-luminous displays and self-luminous displays. A liquid crystal display (liquid crystal display; LCD) is a kind of non-self-luminous display. The self-luminous display includes a plasma display panel (PDP), a field emission display (FED), an electroluminescent (EL) display and an organic light emitting diode display (OLED). [0003] Since the self-luminous display has the advantages of thin volume, light weight, high luminous efficiency and low driving voltage, it is often used. However, when the display panel of the self-luminous display is larger, the length of the internal power line is also longer. Since the power line has an equivalent impedance, the voltages at both ends of the power line are different. Contents of the invention [0004] The inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20
Inventor 刘炳麟
Owner INNOLUX CORP