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A data restoration method and device for a display panel

A technology for displaying data and display panels, used in static indicators, instruments, etc., to solve problems such as inaccurate compensation

Active Publication Date: 2020-10-23
华兴源创(成都)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When such data is directly used to compensate the bending area, the problem of inaccurate compensation will occur

Method used

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  • A data restoration method and device for a display panel
  • A data restoration method and device for a display panel
  • A data restoration method and device for a display panel

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0040] figure 1 It is a flow chart of a data restoration method for a display panel provided by an embodiment of the present invention. Such as figure 1 As shown, the display panel includes a plane area and a bending area, and the method includes:

[0041] S110. Obtain the display data of the plane area and the display data of the bending area.

[0042] Specifically, the display data may be the actual luminance of the display panel. The display brightness data of the display panel can be obtained by taking pho...

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Abstract

The invention discloses a data restoration method and device for a display panel. The display panel comprises a plane area and a bending area. The method comprises the steps: acquiring display data ofthe plane area and display data of the bending area; calculating a target display data reference value according to the display data of partial columns of the plane area; and obtaining a restorationcoefficient of the bending area according to the target display data reference value, and restoring the display data of the bending area, so that the display data reference value of the bending area is the same as the target display data reference value. Therefore, the display data of the bending area is not influenced by the bending effect. Compensation reference of the display data of the bending area is the same as that of the display data of the plane area; on the basis, the display data of the bending area and the plane area are compensated, so that the Demura compensation of the bendingarea is prevented from being influenced by the bending effect, the accuracy of the Demura compensation of the bending area is improved, and the display uniformity of the display panel is further improved.

Description

technical field [0001] Embodiments of the present invention relate to the field of display technology, and in particular, to a data restoration method and device for a display panel. Background technique [0002] Organic Light-Emitting Diode (OLED) display panels contain a large number of light-emitting diode units. In the manufacturing process of conventional OLED display panels, due to impure materials and production processes, the electrical parameters of different light-emitting diode units are not uniform. Sex, which in turn will lead to non-uniformity in the brightness of the OLED display panel when it is displayed. The industry calls this non-uniformity mura. Usually, an external compensation method (Demura) is used to solve the problem of uneven panel display. [0003] Demura compensation mainly includes two steps of data acquisition and compensation data generation. For a curved OLED display panel, when data is collected, the collected luminance gradually becomes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3208
CPCG09G3/3208G09G2320/0233
Inventor 曾超姚宪李刚
Owner 华兴源创(成都)科技有限公司