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Infrared touch screen and encapsulation method of filter strip

A technology of infrared touch screen and packaging method, which is applied in the input/output process of data processing, instruments, electrical digital data processing, etc.

Inactive Publication Date: 2012-05-23
BEIJING UNITOP NEW TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide an infrared touch screen and a packaging method for its filter strip, which can solve the problems existing in the packaging method of the existing touch screen filter strip, and make the filter strip tightly packaged and have good airtightness

Method used

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  • Infrared touch screen and encapsulation method of filter strip
  • Infrared touch screen and encapsulation method of filter strip
  • Infrared touch screen and encapsulation method of filter strip

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that the details in the drawings are not drawn to scale. On the contrary, various details are arbitrarily expanded or reduced for clarity.

[0032] Such as figure 1 As shown, it is a schematic diagram of a longitudinal section of the first embodiment of an infrared touch screen according to the present invention. An infrared touch screen includes a frame 101, a touch detection area 102, an infrared emitting tube 103, an infrared receiving tube 1...

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Abstract

The embodiment of the invention discloses an infrared touch screen and encapsulation method of filter strip; the infrared touch screen comprises a side frame, a touch detection area, an infrared transmission tube, an infrared receiving tube and a filter strip; the side frame consists of an upper cover, a lower cover and an external side cover. A slot is arranged on at least one surface of the lower surface of the upper cover of the side frame and the upper surface of the filter strip, and / or a slot is arranged on at least one surface of the upper surface of the lower cover of the side frame and the lower surface of the filter strip; the sealing materials are filled in the slot. The sealing materials are filled in the whole slot via the irrigation manner and are permeated to the gap on two sides of the slot between the upper and lower covers of the side frame and the upper and lower surfaces of the filter strip; and a dish-shaped or approximately dish-shaped sealing structure is formed in the slot and the gap by the sealing materials. The infrared touch screen and encapsulation method of filter strip has good sealing performance; the filter strip is not easy to be dropped, so that it is applicable to the batch production.

Description

technical field [0001] The invention relates to the field of touch screens, in particular to the field of a packaging method for a filter strip used in an infrared touch screen. Background technique [0002] Infrared touch screen technology is already a well-known technology, which has the advantages of large size, multi-touch, high light transmittance, etc., and is widely used. An important feature of the infrared touch screen is that it must have an infrared light-transmitting frame to ensure that the light received by the infrared receiving unit is infrared light, thereby reducing the interference of ambient light. In the infrared touch screen technology, two methods are often used to set the light-transmitting frame: 1. The frame of the infrared touch screen is made of optical materials that can transmit infrared light and block visible light; 2. The frame is made of opaque material, which is packaged on the frame of the infrared touch screen Infrared filter strips. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/042
Inventor 邹镇中叶新林刘建军刘新斌
Owner BEIJING UNITOP NEW TECH CO LTD
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