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Anti-spy image compensation method

A compensation method and image technology, applied to instruments, static indicators, etc., can solve problems that affect reading or work smoothness, image interference, etc.

Inactive Publication Date: 2016-05-25
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the principle of the anti-peep mechanism is to cause image changes when viewed from the side, the user will be more or less disturbed by the anti-peep mechanism when not looking directly at the display device 10, and see various anti-peep features on the screen. The special images caused by the peeping mechanism, such as mosaic grids, etc., will affect the smoothness of reading or work
As shown in the figure, in the display areas C1 and C2 where the viewing angle is greater than 10°, the user may start to feel various image interferences caused by the anti-peeping mechanism

Method used

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Embodiment Construction

[0032] For the sake of understanding, the optical properties of the liquid crystal display panel will be explained later, but those in the technical field should know that the same technology can be applied to any material with light guiding properties.

[0033] Please refer to figure 2 , which is a schematic diagram of the distribution ratio of liquid crystals in each region of a sub-pixel of a display device specifically used when implementing the anti-peeping image compensation method of the present invention. As shown in the figure, the sub-pixel 20 includes a first area 210 and a second area 220, the first area 210 includes a main area 212 and a sub-area 214, and the second area 220 includes a main area 222 and a sub-area 224 . The solid arrows represent the tilting direction of the liquid crystal, and the hollow arrows K1 and K2 represent the vertically downward and vertically upward viewing angle directions, respectively. Among them, the vectors of K1 and K2 are desi...

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Abstract

The invention discloses a privacy-preventing image compensation method, which makes a display device operate in a narrow viewing angle mode, and uses the relative position between the display position of the subsequent data to be displayed and a specific target as the division basis to determine the subsequent data to be displayed Where is it located in the display device, and then according to the result of the judgment, it is determined in what way to adjust and display the data to be displayed subsequently.

Description

technical field [0001] The present invention relates to a privacy-prevention image compensation method, and in particular relates to a privacy-prevention image compensation method that reduces the effect of the privacy-prevention image on normal users at the outer viewing angle. Background technique [0002] Generally speaking, in order to provide images to multiple viewers, a display device usually has a display effect with a wide viewing angle, but at certain times or occasions, such as when reading confidential information or entering a password, the display effect with a wide viewing angle is easy Make the confidential information be peeped by others and cause the leakage of the confidential information. Therefore, in order to meet the two different needs of providing multiple viewers and handling confidential information in public places, display devices with adjustable viewing angles that can switch between wide viewing angle mode and narrow viewing angle mode have gra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G09G3/20
CPCG09G3/3607G09G2300/0443G09G2320/028G09G2320/068G09G2358/00
Inventor 叶昭纬杨智翔廖乾煌徐文浩
Owner AU OPTRONICS CORP
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