Method for realizing private protection of information displayed on screen
A privacy protection and screen display technology, applied in digital data protection, internal/peripheral computer component protection, static indicators, etc., can solve problems such as movement restrictions, inconvenient operation, and screen protective film limitations
Inactive Publication Date: 2016-03-30
邓磊 +2
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Problems solved by technology
On the one hand, when the other person and the user's line of sight are at the same angle, the other person can still read the content on the screen clearly, and the said other person and the user's line of sight are at the same angle. It is very easy to happen on occasions such as walking by; on the other hand, the user can only read the content displayed on the display screen in a narrow angle, which greatly restricts its movement; in addition, the film needs to be attached to the screen, and the operation It is inconvenient and easy to damage the screen due to improper operation during bonding; moreover, once the film is bonded, it is inconvenient to remove, and it is impossible to conveniently switch between the privacy display mode and the normal mode
Combined with the above-mentioned several obvious defects, the application of this screen protective film is greatly limited
Method used
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[0029] The screen display information privacy protection method proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The examples of the present invention are given below for illustration only, and are not intended to limit the scope of the present invention.
[0030] Please also refer to the attached figure 2 In the embodiment of the present invention, the LCD display screen 1 of a desktop computer is used as a test screen, and red among the three color channels of red, green and blue is used as an abnormal output color channel, and the remaining green and blue are used as normal output color channels. The display control module running in the host computer 2 controls the refresh content of the screen each time through the API (application programming interface) provided by the operating system, and reads each image of the entire screen that is about to be refreshed and displayed, ...
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The invention relates to the field of screen privacy protection, in particular to a method for realizing private protection of information displayed on a screen based on display color channel separation. The method is implemented through a display control module and an optical filter device, wherein the display control module runs at a screen control equipment end, and is used for controlling image color channels, abnormally outputting one or more color channels of an image to be displayed and outputting the remaining color channels normally or in an equal-proportion reduced way; the optical filter device is used on a user side, and can be used for filtering light rays which are emitted by the abnormal output color channels and keep light rays which are emitted by the normal output color channels. The method for realizing primary protection of information displayed on the screen has the characteristics of no need of modifying display hardware, all perspective privacy protection, convenience in use, and convenience in switching between a normal mode and a privacy protection mode.
Description
technical field [0001] The invention relates to the field of screen privacy protection, in particular to a method for realizing privacy protection of screen display information based on display color channel separation. Background technique [0002] With the rapid development of social economy, people increasingly obtain information through electronic devices, such as computers, mobile phones, and televisions. The information of these electronic devices is mainly displayed to users through the display screen, which leads to the problem of screen information privacy protection, that is, when people use electronic devices such as computers and mobile phones, they do not want the information about personal privacy displayed on the display screen to be disclosed. It can be seen by others around, especially in public places such as buses, subway stations, bank ATMs, and Internet cafes. The reason is that on the one hand, everyone has a psychological need for privacy protection, ...
Claims
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IPC IPC(8): G06F21/84G06F21/60G09G3/20
CPCG06F21/84G06F21/60G09G3/2003
Inventor 邓磊刘佳鹏刘昊
Owner 邓磊