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Display device and screen positioning method

A technology for display equipment and display screens, which is applied to instruments, electrical digital data processing, and input/output processes of data processing. The effect of reducing production costs and production complexity

Active Publication Date: 2019-04-09
深圳闳宸科技有限公司
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  • Claims
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Problems solved by technology

[0004] There are certain defects in the above-mentioned several methods: in the first way, its production cost is proportional to the size of the required operation interface, and in the case of a large operation interface, the cost is very high; in addition, the capacitive touch screen is based on the current of the human body. It is realized by sensing, and it is generally designed for the user's finger, which is difficult to operate through other media (such as a touch pen, etc.), and the effect is poor when it comes to smooth input of handwritten information
The second way, on the one hand, the radiation is larger, on the other hand, when the required operation interface is larger, the production cost is higher
The third way, relying on the shielding of infrared rays to achieve positioning, determines that its positioning accuracy is very limited in principle, and it is difficult to meet user needs

Method used

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Embodiment Construction

[0043] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0044] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art w...

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Abstract

The embodiment of the invention provides a display device and a screen positioning method. The display device comprises a display screen; a dot matrix layer arranged on the surface of the display screen and comprising a plurality of code points, wherein a designated area of the dot matrix layer is used for reflecting light waves with preset frequency emitted to the designated area, and the light waves emitted by the display screen do not comprise the light waves with the preset frequency; and a the processing unit which is used for acquiring a target dot matrix image generated according to thelight waves with the preset frequency reflected by the designated area and determining the position of the designated area on the surface of the display screen according to the target dot matrix image. Through the design, on one hand, the production cost and the production complexity are reduced, and on the other hand, the positioning accuracy of the display screen is improved.

Description

technical field [0001] The present application relates to the technical field of screen positioning, and in particular, to a display device and a screen positioning method. Background technique [0002] Currently, a touch device can be used to operate the display screen, and the operating position of the touch device needs to be positioned during the operation. In related technologies, there are usually the following implementation methods: [0003] First, use traditional resistive and capacitive touch screens to realize; second, use electromagnetic induction touch technology to realize; third, install infrared emitting and receiving tubes around the operation interface to form crossed infrared rays on the operation interface Matrix, when information is input, if the finger or other medium blocks the infrared rays, that is, the light path is blocked, then the operating position of the finger or other medium on the display screen can be determined according to the detected l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/042
CPCG06F3/0421
Inventor 万强张乐胡楚煊万群
Owner 深圳闳宸科技有限公司
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