TWM455208U - External type thin optical touch panel - Google Patents

Description

External thin optical touch screen

This creation relates to an external thin optical touch screen, in particular to a thin optical optical display that can be attached to a general display screen with a touch function.

According to the popularization of computers and the continuous improvement of technology in the industry, the display of the computer has changed from the traditional screen to the LCD screen. However, the industry has been developing in the direction of convenient operation, and the touch screen has been developed. It is necessary to control the mouse on the screen to perform click and execution operations through the mouse, but the touch screen can directly touch the screen without using the mouse, and the effect of controlling the mouse can be achieved. This method not only reduces the space occupied by the computer, but also allows the computer to be placed in an unrestricted position. Moreover, due to the simplified operation mode, the elderly and children who are unable to perform detailed operations or are not accustomed to using the mouse can quickly get started. And use the intuitive way to control the computer.

However, since the touch screen is resistive or capacitive, it needs to use many components such as a touch panel and a touch chip, and the price of the above components is very high, and today's computers have already been equipped with a screen. In the condition that the original screen is not damaged, the screen is directly replaced into a touch screen, and the cost is not only very high, but also wastes resources and lacks environmental protection. Therefore, how to solve the problem and lack of the touch screen is For those who are engaged in this industry, they are interested in researching the direction of improvement.

In view of this, the present invention is to provide a thin optical optical touch screen that can be attached to a general display screen with a touch function as its main purpose.

In order to achieve the above, the thin optical optical touch screen of the present invention includes at least: a flexible touch panel, a signal processing unit and a temporary fixing component, and the flexible touch panel is provided with a first flexible light transmission. a film, wherein at least one surface of the first flexible transparent film is provided with a plurality of first sensing series and a first line, the temporary fixing component is connected with the flexible touch panel, and the flexible touch panel is temporarily fixed The display unit is connected to the flexible touch panel, and the flexible touch panel receives the touch signal and converts it into a touch coordinate, and transmits the touch coordinate to the touch line through a transmission line. A host.

By using the above structural features, the thin optical optical touch screen of the present invention can be easily mounted on any display screen, so that the display screen has the function of touch input, and the external thin optical touch screen has a simple structure and installation. Easy to disassemble, easy to carry, and does not damage the display screen.

To achieve the above objective, the upper surface of the first flexible transparent film is provided with a plurality of first sensing series and a first line.

For the above purpose, the flexible touch panel is further provided with a second flexible transparent film, and the second flexible transparent film is disposed on the lower surface of the first flexible transparent film. a plurality of second sensing series and a second line are disposed on the second flexible transparent film, the second circuit is connected to each of the second sensing series, and the second circuit is located in each second sensing Around the list.

To achieve the above object, the first flexible transparent film and the second flexible transparent film are adhered to each other by using an optical adhesive.

In order to achieve the above object, the upper surface of the first flexible transparent film is provided The first sensing series and the first line, and the lower surface thereof is provided with a second sensing series and a second line.

To achieve the above object, a protective layer is further disposed on the first flexible transparent film.

To achieve the above object, a shielding layer is formed under the protective layer with respect to the wiring.

To achieve the above object, the first flexible transparent film and the protective layer are adhered to each other by using an optical adhesive.

To achieve the above objective, the thickness of the flexible touch panel is less than 0.5 mm.

For the above purpose, the signal processing unit may be disposed at the flexible touch panel; or the signal processing unit may be disposed at the host.

To achieve the above purpose, the transmission line has one of a USB connector, a mini USB connector, an RS-232 connector, or a PS/2 connector.

For the above purpose, the temporary fixing member is a devil felt structure or a repeated adhesive structure, and the repeated adhesive structure may be a double-sided adhesive.

The characteristics of this creation can be clearly understood by referring to the detailed description of the drawings and the examples.

The first figure is an exploded view of the structure of the external thin optical touch screen of the present invention, and the second figure is a cross-sectional view of the first embodiment of the present flexible touch panel. The control panel includes at least: a flexible touch panel 10, a signal processing unit 20, and a temporary fixing component 30. The flexible touch panel 10 is provided with a first flexible transparent film 11, and the upper surface of the first flexible transparent film 11 is provided with a plurality of first sensing series 12, and The first line 13 connected to the series 12 is sensed, and the first line 13 is located around the outside of the first sensing series 12.

The signal processing unit 20 is connected to the flexible touch panel 10 . In the embodiment shown in the figure, the signal processing unit 20 can be disposed at the flexible touch panel 10 to receive the flexible touch panel 10 . A touch signal is generated and converted into a touch coordinate, and the touch coordinate is transmitted to a host 50 through a transmission line 40. The transmission line 40 can be fixed on the flexible touch panel 10 or be separated. The component can be a transmission line of at least one connector specification such as a USB connector, a mini USB connector, an RS-232 connector or a PS/2 connector, and the touch coordinates can be conveniently transmitted to the host 50 through common connector specifications. Of course, the signal processing unit can also be combined with the host.

The temporary fixing component 30 is connected to the flexible touch panel 10 and temporarily fixes the flexible touch panel 10 to a display screen 60. The temporary fixing component 30 can be a devil felt structure or a repeated adhesive structure (for example, a double Face glue).

When the whole is used, the external thin optical touch screen is mounted on the display screen 60 by the temporary fixing component 30. Since the flexible touch panel 10 of the present invention has a larger display area than the general display screen 60, It can be applied to display screens 60 of various sizes and specifications. The thin optical optical touch screen of the present invention can be defined by a calibration software installed in the host 60 first. After the definition of the scope of use and the correction are completed, the user can use the function of touch input through a thin optical touch screen such as an external type.

Therefore, when the user touches the flexible touch panel 10, the touch message is generated. number. The touch signal is received by the signal processing unit 20 and converts the touch signal into a touch coordinate. The touch coordinates at this time are touch coordinates generated based on the size of the flexible touch panel 10 . Next, the signal processing unit 20 transmits the touch coordinates to the host 50 through the transmission line 40. The host 50 receives the touch coordinates and calculates the touch coordinates according to the actual usage range previously defined. And according to the touch coordinate, the touch track is converted into a touch track, and the touch track at this time is a coordinate generated according to the size of the display screen 60. Finally, the host 50 outputs the touch track to the display screen 60 and displays the touch track on the display screen 60. Therefore, when the user touches the flexible touch panel 10, a corresponding display track can be generated at the same position of the display screen 60 at the same time, and the display track overlaps with the touch position of the user.

It is worth mentioning that the flexible touch panel of the present invention has a thin thickness (the thickness of which can be less than 0.5 mm) and is flexible, and has the advantages of simple structure, simple installation and disassembly, portability, and display screen display. The sticker is better and does not affect the display screen when it is fixed by the temporary fixing component.

Furthermore, as shown in the second embodiment of the third figure, the first flexible series 11 and the first line 13 are provided on the upper surface of the first flexible transparent film 11, and the second surface is provided on the lower surface. The sensing line 14 and the second line 15 are provided. As shown in the third embodiment of the fourth figure, the flexible touch panel 10 is further provided with a second flexible transparent film 16 for flexible transmission. The film 16 is adhered to the lower surface of the first flexible transparent film 11 by an optical adhesive 17, and the second flexible light-transmissive film 14 is provided with a plurality of second sensing series 14 and a second line. 15. The second line 15 is connected to each of the second sensing series 14 , and the second line 15 is located around the second sensing series 14 .

In addition, in each of the above embodiments, the first flexible transparent film 11 is advanced. A protective layer 18 is provided in one step. As shown in the fourth embodiment of the fifth figure, a shielding layer 181 is formed under the protective layer 18 with respect to the first line 13 for shielding the first line 13 and being first flexible. The optically transparent film 11 and the protective layer 18 are adhered to each other by an optical adhesive 15, and the protective layer 18 achieves the protective effect.

In summary, the present invention provides a better and feasible external thin-type optical touch screen, and submits a new patent application according to law; the technical content and technical features of the present invention have been disclosed above, but those skilled in the art still It is possible to make various substitutions and modifications based on the disclosure of this creation without departing from the spirit of the creation of the case. Therefore, the scope of the present invention is not limited to the embodiments disclosed, but includes various alternatives and modifications that do not depart from the present invention and are covered by the following claims.

10‧‧‧Flexible touch panel

11‧‧‧First flexible transparent film

12‧‧‧First sensing series

13‧‧‧First line

14‧‧‧Second sensing series

15‧‧‧second line

16‧‧‧Second flexible translucent film

17‧‧‧Optical adhesive

18‧‧‧Protective layer

181‧‧‧Shielding layer

20‧‧‧Signal Processing Unit

30‧‧‧ Temporary fixation elements

40‧‧‧ transmission line

50‧‧‧Host

60‧‧‧ display screen

The first figure is an exploded view of the structure of the external thin optical touch screen in the creation.

The second figure is a cross-sectional view of the first embodiment of the flexible touch panel of the present invention.

The third figure is a cross-sectional view of the second embodiment of the flexible touch panel of the present invention.

The fourth figure is a cross-sectional view of the third embodiment of the flexible touch panel of the present invention.

The fifth figure is a cross-sectional view of the fourth embodiment of the flexible touch panel of the present invention.

10‧‧‧Flexible touch panel

20‧‧‧Signal Processing Unit

30‧‧‧ Temporary fixation elements

40‧‧‧ transmission line

50‧‧‧Host

60‧‧‧ display screen

Claims (15)

An external thin-type optical touch screen includes at least one flexible touch panel provided with a first flexible transparent film, and at least one surface of the first flexible transparent film is provided with a plurality of surfaces a first sensing series, and a first line connected to each of the first sensing series, the first line is located around each of the first sensing series; a signal processing unit, and the flexible touch The control panel is connected to receive the touch signal generated by the flexible touch panel and converted into a touch coordinate, and the touch coordinate is transmitted to a host through a transmission line; and a temporary fixing component, and the The flexible touch panel is connected, and the flexible touch panel is temporarily fixed to a display screen. The external thin-type optical touch screen of claim 1, wherein the upper surface of the first flexible transparent film is provided with a plurality of first sensing series and a first line. The thin flexible optical touch screen of claim 2, wherein the flexible touch panel is further provided with a second flexible transparent film, and the second flexible transparent film is disposed on a lower surface of the first flexible transparent film, and a plurality of second sensing series and a second line disposed on the second flexible transparent film, the second circuit and each of the second sensing strings The columns are connected, and the second line is located around each of the second sensing series. The thin optical optical touch panel of claim 3, wherein the first flexible transparent film and the second flexible transparent film are adhered to each other by using an optical adhesive. Hanging thin optical touch as described in item 1 of the patent application scope The screen, wherein the first flexible light transmissive film has a first sensing series and a first line on the upper surface, and a second sensing series and a second line on the lower surface thereof. The external thin-type optical touch screen of any one of the first to fifth aspects of the invention, wherein the first flexible transparent film is further provided with a protective layer. The external thin-type optical touch screen of claim 6, wherein a shielding layer is formed under the protective layer with respect to the first line. The external thin-type optical touch screen of claim 6 , wherein the first flexible transparent film and the protective layer are adhered to each other by using an optical adhesive. The thin-type optical touch screen of any one of the above-mentioned claims, wherein the thickness of the flexible touch panel is less than 0.5 mm. The external thin-type optical touch screen of any one of the above-mentioned items, wherein the signal processing unit can be combined with the flexible touch panel. The external thin-type optical touch screen of any one of the items 1 to 5, wherein the signal processing unit can be disposed at the host. The thin-type optical touch screen of any one of the items 1 to 5, wherein the transmission line has a USB connector, a mini USB connector, an RS-232 connector, or a PS/2 connector. One. The external thin-type optical touch screen according to any one of the items 1 to 5, wherein the temporary fixing component is a devil felt structure. The external thin-type optical touch screen according to any one of the items 1 to 5, wherein the temporary fixing member is a repeating adhesive structure. The thin-type optical touch screen of the external hanging type described in claim 14 , wherein the repeated adhesive structure may be a double-sided adhesive.