Display apparatus and driving method thereof

A technology of a display device and a driving method, which is applied in the field of liquid crystals, and can solve the problems of reducing luminous brightness, increasing the threshold current of a display panel, and accelerating the aging speed of a display panel, so as to achieve the effects of reducing luminous time and slowing down the aging speed

Active Publication Date: 2015-08-19
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology

[0003] However, as the use time increases, holes and electrons will accumulate at the interface between the transport layer and the light-emitting layer, forming a built-in electric field inside the display panel, increasing the threshold current flowing through the display panel, and reducing its luminous brightness. Speed ​​up display panel aging

Method used

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  • Display apparatus and driving method thereof
  • Display apparatus and driving method thereof
  • Display apparatus and driving method thereof

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Embodiment Construction

[0024] The invention discloses a display device, preferably, the display device is preferably an OLED display device. Certainly, the present invention does not limit the display device to be an OLED display device, and in other embodiments, the display device may also be other types of display devices.

[0025] Such as figure 2 as shown, figure 2 It is a structural schematic diagram of the display device of the present invention. The display device includes a format converter 11 , a scan driver 12 , a data driver 13 and a display panel 14 .

[0026] The format converter 11 is used to obtain each original data frame, and perform format conversion on the original data frame, so as to convert it into a converted data frame in a different format. In this embodiment, the format converter 11 is arranged in the TCON (timing controller), and when the timing controller provides necessary timing control signals for the scan driver 12 and the data driver 13 in the display panel 14, ...

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Abstract

The invention discloses a display apparatus. The display apparatus comprises a format converter and a display panel, wherein the format converter is used for obtaining each original data frame and performing format conversion on the original data frames for converting into conversion data frames in different formats; and when each conversion data frame converted through the format converter is obtained, a part of the pixel units of the display panel emit light, and the other part of the pixel units of the display panel do not emit light. The invention also discloses a driving method of a display apparatus. Through such a mode, the luminescence time of the pixel units of the display panel can be reduced, and the aging speed of the display panel is effectively alleviated.

Description

technical field [0001] The invention relates to the technical field of liquid crystals, in particular to a display device and a driving method thereof. Background technique [0002] With the development of technology, display devices have become popular in people's lives. Currently, the more trendy display devices are OLED (Organic Light-Emitting Diode, organic-electric laser display) display devices, and the display panels of OLED display devices are all driven by DC. , holes and electrons respectively enter the light-emitting layer from the positive and negative electrodes of the display panel, combine in the light-emitting layer and perform radiative emission. Such as figure 1 as shown, figure 1 It is a schematic structural diagram of a sub-pixel of an OLED display device in the prior art. In the structure of a sub-pixel of an existing OLED display device, when the signal line a of the sub-pixel is turned on, the data line b charges the capacitor C. The voltage value o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/2025G09G3/3225G09G2320/045G09G3/3233G09G3/3266G09G3/3275G09G2300/0439G09G2310/0272G09G2320/043
Inventor 付舰航黄泰钧
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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