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Display compensation method and device and display device

A compensation method and technology for compensating parameters, applied in static indicators, instruments, etc., can solve problems such as affecting the display effect of low gray scale, and achieve the effect of improving the display effect, ensuring the uniformity of brightness, and overcoming the influence.

Active Publication Date: 2021-03-30
BEIJING ESWIN COMPUTING TECH CO LTD
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  • Abstract
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Problems solved by technology

[0004] In view of this, the present invention provides a display compensation method, device and display device, which are used to solve the problem of affecting the low-gray-scale display effect during high-gray-scale brightness compensation in the existing optical compensation method

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  • Display compensation method and device and display device
  • Display compensation method and device and display device

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Embodiment Construction

[0053] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0054]Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words suc...

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Abstract

The invention provides a display compensation method and device and a display device. The display compensation method comprises the steps of: obtaining driving current of a display panel; determininga compensation weight according to the driving current, and determining a target gray-scale compensation parameter according to the compensation weight, the target gray-scale compensation parameter comprising a high gray-scale compensation parameter and a low gray-scale compensation parameter; and performing display compensation on the display panel according to the target gray scale compensationparameter. Therefore, the brightness uniformity of the high gray scale compensation is ensured while the low gray scale compensation is not influenced, the influence of the voltage drop phenomenon onthe display effect is overcome, and the display effect is improved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a display compensation method, device and display device. Background technique [0002] Organic Light Emitting Diode (OLED) display panels have many advantages such as high contrast ratio, ultra-thin, flexible, etc., and have been applied more and more. When the OLED display panel emits light by driving a current provided by a thin film transistor (TFT), the brightness of the OLED panel can be adjusted. Due to the limitations of the manufacturing process, there are different threshold voltages (Vth) and mobility among the driving TFTs used in OLED display panels in different pixel areas, resulting in poor image quality in the form of smudges (MURA). In addition, because the OLED display panel is affected by the signal transmission line voltage drop (IR-Drop), the brightness of the display panel area close to the power supply or driver chip (IC) in the display panel is b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3208
CPCG09G3/3208G09G2320/0276
Inventor 卞胜赞金炯来
Owner BEIJING ESWIN COMPUTING TECH CO LTD
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