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Method for prolonging service life of organic light emitting device and display device

A technology of electroluminescence and display, applied in the direction of electric solid state devices, static indicators, instruments, etc., to achieve the effect of prolonging the life of OLED, reducing the impact of damage, and delaying the decline of OLED

Active Publication Date: 2016-12-07
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and a display device for prolonging the life of an organic electroluminescent display, so as to solve the problem in the prior art that the decline of OLED cannot be delayed under the premise of ensuring that the image quality is not greatly affected

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  • Method for prolonging service life of organic light emitting device and display device
  • Method for prolonging service life of organic light emitting device and display device
  • Method for prolonging service life of organic light emitting device and display device

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] Embodiments of the present invention provide a method and a display device for prolonging the service life of an organic electroluminescent display, which can prolong the service life of the organic electroluminescent display. In specific implementation, the display devices described in the embodiments of the present invention may include, but are not limited to: display devices such as liquid crystal displays, mobile phones, and tablet computers.

[00...

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Abstract

The invention discloses a method for prolonging the service life of an organic light emitting device. The method includes the steps of dividing a display screen into a plurality of sub-regions, calculating a service life influencing factor of each sub-region, calculating the luminance ratio coefficient of each sub-region according to image features and the service life influencing factor of the sub-region, calculating the actual display luminance of the display screen according to the luminance ratio coefficient, and outputting images according to the actual display luminance. The invention further provides a display device. With the service life influencing factors and the image features as considering factors, the luminance ratio coefficients are calculated and luminance processing is conducted, the damage influences on the whole image quality are reduced, high and low gray level mixed sub-regions select to increase or decrease the processing strength according to the simplicity and complexity degree of the images and the positions where the sub-regions are located, the image luminance is adjusted on the premise of ensuring the image quality influences, the recession of the OLED is delayed, and the service life of the OLED is prolonged.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a method for prolonging the service life of an organic electroluminescent display and a display device. Background technique [0002] Organic Light Emitting Diode (OLED) has the advantages of high contrast ratio, low power consumption, short response time, wide viewing angle and flexibility, etc., which has attracted a lot of attention. However, there are serious problems of brightness degradation and lifespan decay in OLED displays. The decay speed of OLED is positively correlated with the display brightness, that is, the decay is fast when the brightness is high, and the decay is slow when the brightness is low. The main method to delay the decline of OLED is to reduce the display brightness of the high gray level area in the image. [0003] In the prior art, one way to delay the decline of OLED is to set a maximum brightness value, and display the gray levels higher than the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3208H01L27/32
CPCG09G3/3208H10K59/00
Inventor 张小宁樊瑞屠震涛黄泰钧付舰航
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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