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A kind of infrared touch screen and display device

An infrared touch screen, infrared light technology, applied in the direction of instrument, electrical digital data processing, data processing input/output process, etc., can solve the problems of infrared touch screen interference, reducing the touch performance of the infrared touch screen, and the intensity of beam splitting light. , to reduce power consumption, improve touch display performance, and reduce the number of

Active Publication Date: 2017-07-25
HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The number of infrared emitting tubes in the above-mentioned infrared touch screen is reduced from the usual multiple to two. Although the cost is saved, the infrared rays emitted by each infrared emitting tube are split multiple times through the coated lens, and the splitting of a beam of light The more, the weaker the light intensity of the split beam, which can easily cause the touch of the infrared touch screen to be interfered by the external ambient light, so that the touch performance of the infrared touch screen will be greatly reduced

Method used

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  • A kind of infrared touch screen and display device
  • A kind of infrared touch screen and display device
  • A kind of infrared touch screen and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment provides an infrared touch screen, such as figure 2 As shown, the infrared touch screen is quadrangular, and a plurality of light sources 11 are arranged on the first side 1 of the infrared touch screen, and a plurality of first detection units 21 are arranged on the second side 2 opposite to the first side 1, and the opposite sides of the infrared touch screen A plurality of second detection units 31 are respectively arranged on the third side 3 and the fourth side 4, and both the first detection unit 21 and the second detection unit 31 can partially receive and partially reflect the infrared rays emitted by the light source 11, so that The infrared rays emitted by the light source 11 can form a staggered and reticular optical path.

[0046] In the infrared touch screen in this embodiment, the number of light sources 11 is greatly reduced, thereby reducing the power consumption of the touch screen; In the infrared touch screen currently disclosed in t...

Embodiment 2

[0063] This embodiment provides an infrared touch screen, which is different from Embodiment 1, such as Figure 10 As shown, the infrared touch screen is a square, the light sources 11 are evenly distributed on the first side 1, the first detection units 21 are evenly distributed on the second side 2, and the second detection units 31 are evenly distributed on the third side 3 and the fourth side 4 Above; the number of first detection units 21 is equal to the number of second detection units 31 on the third side 3 .

[0064] Correspondingly, the second detection unit 31 on the third side 3 is symmetrical to the second detection unit 31 on the fourth side 4; as Figure 11 As shown, the transflective surface 5 of the first beam splitter 211 faces the transflective surface 5 of the second beam splitter 311 on the third side 3 .

[0065] Other structures of the infrared touch screen in this embodiment are the same as those in Embodiment 1, and will not be repeated here.

[0066] A...

Embodiment 3

[0069] This embodiment provides an infrared touch screen. The difference from Embodiment 1-2 is that the shape of the infrared touch screen is any other quadrangular shape except rectangle and square, as long as the first beam splitter and the second beam splitter are adjusted accordingly. The included angle between the transflective surface and the reflective surface of the beam device can finally ensure that the infrared light emitted by the light source forms a staggered and meshed optical path, which can realize the touch function of the infrared touch screen.

[0070] Beneficial effects of embodiment 1-3: the infrared touch screen provided in embodiment 1-3, by setting a plurality of light sources on the first side of the quadrangular infrared touch screen, setting a plurality of first detection units on the second side, and setting a plurality of first detection units on the third side A plurality of second detection units are arranged on the side and the fourth side; thr...

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Abstract

An infrared touch screen in of a quadrilateral shape is disclosed. The infrared touch screen is provided with a plurality of light sources (11) at its first side (1) and provided with a plurality of first detecting units (21) at its second side (2) opposite to the first side (1), and is provided with a plurality of second detecting units (31) respectively at its third side (3) and its fourth side (4) which are opposite to each other, and the first detecting units (21) and the second detecting unit (31) are all configured to partly receive and partly reflect the infrared light emitted by the light sources, so that the infrared light emitted by the light sources (11) can form criss-crossing light paths. The infrared touch screen achieves lowered power consumption and improved touch performance.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to an infrared touch screen and a display device. Background technique [0002] With the increasing number of multimedia information query devices, people are talking about touch screens more and more, because touch screens are not only suitable for the national conditions of China's multimedia information query, but also have many advantages such as durable, fast response, space-saving and easy to communicate. With this technology, the user can operate the host computer by lightly touching the icons or text on the computer display screen with his fingers, thus making the human-computer interaction more straightforward. This technology greatly facilitates those who do not understand computer operation. user. [0003] According to the working principle of the touch screen and the medium for transmitting information, the touch screen is divided into four types, which are res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/042
CPCG06F3/0421G06F3/0412
Inventor 王欢辛武根涂志中尹傛俊
Owner HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD