TWM593001U - Touch pad device - Google Patents

Abstract

This case discloses a touch panel device, which includes a touch circuit board, a light-emitting element, a transparent adhesive layer, and an appearance cover. The touch circuit board has a first surface and a second surface, and a perforation is provided on the touch circuit board. The light emitting element is disposed on the second surface of the touch circuit board and the light emitting element emits light upward from the through hole. The transparent adhesive layer is located on the first surface of the touch circuit board, the appearance cover is located on the transparent adhesive layer, and the appearance cover has a symbol pattern.

Description

Touchpad device

This case relates to a touchpad device with light-emitting function.

With the development of thin and light notebook computers, the overall space available for customization is relatively reduced, so it is an obvious trend to provide input interfaces for multiple applications. Taking a common touch panel as an example, in order to enable the function of inputting symbols on the touch panel, the user must first perform the two recognition behaviors of the startup state and the symbol input area before the symbols can be correctly input on the touch panel. The confirmation of the startup state and the recognition of the symbol input area require the cooperation of the system software and the hardware to increase the input function of computer symbols in the designated area on the touch panel.

This case provides a touch panel device, which includes a touch circuit board, a light emitting element, a transparent adhesive layer, and an appearance cover. The touch circuit board has a first surface and a second surface, and a perforation is provided on the touch circuit board. The light emitting element is disposed on the second surface of the touch circuit board and the light emitting element emits light upward from the through hole. The transparent adhesive layer is located on the first surface of the touch circuit board, the appearance cover is located on the transparent adhesive layer, and the appearance cover has a symbol pattern.

In summary, the touch panel device of this case is to simplify the related materials used in the structural design while preserving the software function, and reduce the assembly process, shorten the working hours and shorten the luminous effect performance between different machines Differences, and the use of computer symbol patterns that can be directly visually recognized to facilitate the user's recognition of the startup state and symbol input area.

FIG. 1 is a schematic diagram of an electronic device with a touch panel device according to an embodiment of the present case. Please refer to FIG. 1. An electronic device 10 includes a touch panel device 20. In an embodiment, the electronic device 10 is A notebook computer, in addition to providing the function of a general mouse operation interface, the touch panel device 20 can also be used as an input interface for computer functions.

Please also refer to FIG. 1, FIG. 2 and FIG. 3. A touch panel device 20 includes a touch circuit board 22, a light emitting element 24, a transparent adhesive layer 26 and an appearance cover 28. The touch circuit board 22 has a first surface 221 and a second surface 222, and the first surface 221 is a touch sensing surface, and a through hole 223 is provided on the touch circuit board 22. The light emitting element 24 is disposed on the second surface 222 of the touch circuit board 22 and corresponds to the through hole 223, so that the light emitting surface of the light emitting element 24 faces the through hole 223 and directly emits light upward from the through hole 223. In one embodiment, the light emitting element 24 is It is a light-emitting diode (LED) that emits light upward. The transparent adhesive layer 26 is located on the first surface 221 of the touch circuit board 22, the appearance cover 28 is located on the transparent adhesive layer 26, and the appearance cover 28 has a symbol pattern 30, which includes a computer symbol pattern 301 and A switch icon 302.

In one embodiment, the transparent adhesive layer 26 is a transparent adhesive. Since the transparent adhesive layer 26 is located between the exterior cover 28 and the touch circuit board 22 and above the light emitting element 24, the transparent adhesive layer 26 may have To disperse the soft light effect of the light source, the light from the light-emitting element 24 will first pass through the transparent adhesive layer 26 before exiting from the perforation 223, so the light source can be dispersed to avoid glare of the user.

As mentioned above, the appearance cover 28 further includes a transparent cover 32 and an ink stack 34. The ink stack 34 is formed on the lower surface of the transparent cover 32 so that the ink stack 34 is located on the transparent cover 32 and the transparent adhesive layer Between 26. When the computer function is activated, the light-emitting element 24 emits light and emits light upward, and the light passes through the perforation 223 of the touch circuit board 22, and sequentially passes through the transparent adhesive layer 26, the ink stack 34, and the transparent cover 32 to be transparent The surface of the cover plate 32 is illuminated, as shown in FIG. 4, and the input function for the user to recognize the computer symbol has been activated.

Please refer to FIGS. 1 and 5 at the same time. In one embodiment, the touch panel device 20 includes a touch circuit board 22, a holder 36, a light emitting element 24, a transparent adhesive layer 26 and a Appearance cover 28 including transparent cover 32 and ink stack 34. The touch circuit board 22 has a first surface 221 and a second surface 222, and a through hole 223 is provided on the touch circuit board 22. The base 36 and the light emitting element 24 are located on the second surface 222 of the touch circuit board 22. The base 36 has an opening 361. The opening 361 can accommodate the light emitting element 24 and a side wall of the opening 361 has a reflection The surface 362 corresponds to the light-emitting surface of the light-emitting element 24, so that the light generated by the light-emitting element 24 is reflected and guided to the through hole 223 through the reflection surface 362 and emits light upward. In one embodiment, the light-emitting element 24 is a side-emitting light-emitting diode. The exterior cover 28 also has a symbol pattern 30 and is mounted on the first surface 222 of the touch circuit board 22 using the transparent adhesive layer 26 so that the transparent adhesive layer 26 is located between the exterior cover 28 and the touch circuit board 22. In this embodiment, since the mounting position of the light-emitting element 24 is changed and the side-emitting light-emitting element 24 is used, it is necessary to cooperate with the reflective surface 362 of the base 36 to achieve the purpose of upward light emission, but the case is not limited to this, in other implementations For example, the light-emitting element 24 used in this case may also have other installation positions, but it cannot be limited to this.

Regardless of the touch panel device 20 shown in FIG. 2 or FIG. 5, the ink stack 34 used in the touch panel device 20 has different structural changes, and are described in detail as follows.

Please refer to FIGS. 1 and 6. In one embodiment, the ink stack 34 on the lower surface of the transparent cover 32 further includes a color-developing ink layer 38 and a symbol printing layer 40 sequentially stacked from bottom to top. , And the symbol printing layer 40 includes a symbol pattern 30. Specifically, the symbol printing layer 40 is printed on the lower surface of the transparent cover 32 first, and then the color developing ink layer 38 is printed on the lower surface of the symbol printing layer 40, and the color developing ink layer 38 has a first yield area 381 corresponds to the through hole 223, so that the light of the light emitting element 24 can pass through the first yield area 381. When the light emitting element 24 emits light and emits light upward, the light will pass through the perforation 223 of the touch circuit board 22 and sequentially pass through the transparent adhesive layer 26, the first yield area 381 of the color ink layer 38, the symbol printing layer 40 and The transparent cover 32 has a dot-like glow on the surface of the transparent cover 32.

In one embodiment, the ink color of the symbol printing layer 40 is different from the ink color of the color developing ink layer 38, so that the computer symbol pattern 301 and the switch icon 302 can be presented from the transparent cover 32 and can be directly recognized with eyes.

Please refer to FIG. 1 and FIG. 7, the ink stack 34 on the lower surface of the transparent cover 32 further includes an opaque ink layer 42, a color-developing ink layer 38 and symbol patterns sequentially stacked from bottom to top A symbol printing layer 40 of 30, that is, the symbol printing layer 40 is located on the lower surface of the transparent cover 32, the color ink layer 38 is located on the lower surface of the symbol printing layer 40, and the opaque ink layer 42 is located on the color ink layer 38, and the color ink layer 38 has a first concession area 381 corresponding to the perforation 223, and the opaque ink layer 42 has a second concession area 421 corresponding to the perforation 223, so that the light of the light emitting element 24 can pass through The second yield area 421 and the first yield area 381. When the light-emitting element 24 emits light and emits light upward, the light will pass through the perforation 223 of the touch circuit board 22, and sequentially pass through the transparent adhesive layer 26, the second yield area 421 of the opaque ink layer 42, and the color ink layer The first yielding area 381 of 38, the symbol printing layer 40 and the transparent cover plate 32 appear dot-like and shiny on the surface of the transparent cover plate 32.

Please refer to FIGS. 1 and 8, the ink stack 34 on the lower surface of the transparent cover 32 further includes an opaque ink layer 42, a semi-permeable ink layer 44 and a symbol pattern 30 sequentially stacked from bottom to top A symbol printing layer 40, that is, the symbol printing layer 40 is printed on the transparent cover 32 first, then the semi-permeable ink layer 44 is printed on the symbol printing layer 40, and finally the opaque ink layer 42 is printed on the semi-transparent On the surface of the ink-permeable layer 44, and the opaque ink layer 42 has a second yield area 421 corresponding to the through hole 223, so that the light of the light-emitting element 24 can pass through the second yield area 421. When the light-emitting element 24 emits light and emits light upward, the light will pass through the perforation 223 of the touch circuit board 22 and sequentially pass through the transparent adhesive layer 26, the second concession area 421 of the opaque ink layer 42, and the semi-transparent ink layer 44. The symbol printing layer 40 and the transparent cover plate 32 appear dot-like and shiny on the surface of the transparent cover plate 32.

As shown in FIGS. 1 to 8, the computer symbol pattern 301 and the switch icon 302 of the exterior cover 28 correspond to the designated areas of the touch sensing surface of the first surface 221 of the touch circuit board 22 respectively. The touch function is generated to activate or execute the input function of computer symbols. In one embodiment, the switch icon 302 that activates the input function of the computer symbol is located in the upper right corner of the touchpad device 20, but the case is not limited to this. In other embodiments, the switch icon 302 can also be set to touch Other corners or edges of the board device 20 should not be limited to this.

According to the above, when the touch behavior of the select switch icon 302 is generated, the touch circuit board 22 on the touch panel device 20 activates the input function of computer symbols in response to the touch behavior, and the light-emitting element 24 as the indicator light Is lit, the light of the light-emitting element 24 will light up from the unprinted first yield area 381 and/or the second yield area 421 to provide the user with confirmation that the input function of the computer symbol has been activated, the touchpad device 20. The originally provided mouse operation interface function is converted into a computer function input interface, and then the computer symbol pattern 301 can be directly recognized, so that the recognition status of the startup state and the symbol input area can be achieved at the same time, so that the user can directly touch The control panel device 20 inputs digital symbols and performs calculation functions. Of course, the function of inputting digital symbols and performing calculations on the touch panel device 20 is coordinated with the software function of the system in the electronic device 10, and the input digital symbols and calculation results are displayed on the screen of the electronic device 10. When the user clicks the switch icon 302 again, the touch circuit board 22 on the touch panel device 20 turns off the input function of the computer symbol in response to the touch behavior, and the light-emitting element 24 as the indicator light It will be extinguished to provide the user with a confirmation that the input function of the computer symbol has been turned off, and the touch panel device 20 is again converted from the input interface of the originally provided computer function to the mouse operation interface function.

In the touch panel device, since only one light-emitting element needs to be used, the number of light-emitting elements can be reduced to reduce heat accumulation during light emission and prevent the user from feeling that the machine of the electronic device is overheated. The removal of the use of light-guiding components in this case can reduce the factory assembly process and avoid individual differences in the factory due to insufficient assembly accuracy. In addition, the symbol pattern is directly printed in this case, so that the user can easily recognize the start-up state and the symbol input area to facilitate the user's operation.

In summary, the touchpad device in this case simplifies the related materials used in the design of the touchpad structure while preserving software functions, and reduces the assembly process, shortens man-hours and shortens the time between different machines The luminous effect is different, and the computer symbol patterns that can be directly recognized by eyes are used to facilitate the user to recognize the starting state and the symbol input area.

The above-mentioned embodiments are only to illustrate the technical ideas and features of this case, and its purpose is to enable those familiar with this technology to understand the contents of this case and implement it accordingly, but cannot limit the patent scope of this case, that is, according to this case Equal changes or modifications made by the disclosed spirit should still be covered by the patent application in this case.

10: Electronic device 20: Touchpad device 22: touch circuit board 221: first surface 222: Second surface 223: Piercing 24: light emitting element 26: Transparent adhesive layer 28: Appearance cover 30: Symbol pattern 301: Computer symbol pattern 302: Switch icon 32: Transparent cover 34: ink stack 36: Dock 361: opening 362: reflective surface 38: Color ink layer 381: First concession area 40: Symbol printing layer 42: opaque ink layer 421: Second concession area 44: semi-permeable ink layer

FIG. 1 is a schematic diagram of an electronic device with a touch panel device according to an embodiment of the present case. 2 is a schematic cross-sectional structure diagram of a touch panel device according to an embodiment of the present case. 3 is an exploded view of the structure of a touch panel device according to an embodiment of the present case. FIG. 4 is a schematic diagram of the startup of the touch panel device according to an embodiment of the present case. 5 is a schematic cross-sectional structure diagram of a touch panel device according to another embodiment of the present case. 6 is a schematic structural diagram of a touch panel device according to an embodiment of the present case. 7 is a schematic structural diagram of a touch panel device according to another embodiment of the present case. 8 is a schematic structural diagram of a touch panel device according to still another embodiment of the present case.

20: Touchpad device

22: touch circuit board

221: first surface

222: Second surface

223: Piercing

24: light emitting element

26: Transparent adhesive layer

28: Appearance cover

32: Transparent cover

34: ink stack

Claims (10)

A touch panel device, including: A touch circuit board, which has a first surface and a second surface, and a perforation is provided on the touch circuit board; A light-emitting element disposed on the second surface of the touch circuit board, the light-emitting element emits light upward from the perforation; A transparent adhesive layer on the first surface of the touch circuit board; and An appearance cover plate is located on the transparent adhesive layer, and the appearance cover plate has a symbol pattern. The touch panel device according to claim 1, wherein the appearance cover further comprises: A transparent cover; and An ink stack is formed on the lower surface of the transparent cover plate so that the ink stack is located between the transparent cover plate and the transparent adhesive layer. The touch panel device according to claim 2, wherein the ink stack further comprises a color-developing ink layer and a symbol printing layer sequentially stacked from bottom to top, the color-developing ink layer has a first yield area Corresponding to the perforation, the symbol printing layer contains the symbol pattern. The touch panel device according to claim 3, wherein the ink stack further comprises an opaque ink layer located on the lower surface of the color-developing ink layer, and the opaque ink layer has a second yield area Should be perforated. The touch panel device according to claim 2, wherein the ink stack further includes an opaque ink layer, a semi-permeable ink layer, and a symbol printing layer sequentially stacked from bottom to top, the opaque ink layer A second yielding area corresponds to the perforation, and the symbol printing layer includes the symbol pattern. The touch panel device according to claim 1, wherein the symbol pattern further includes a computer symbol pattern and a switch icon. The touch panel device according to claim 1, wherein the light emitting element is mounted on the second surface of the touch circuit board and corresponds to the through hole, so that the light emitting surface of the light emitting element faces the through hole and from the through hole Light up. The touch panel device according to claim 1, further comprising a base located on the second surface of the touch circuit board, the base has an opening to accommodate the light emitting element, and the opening has a reflection Facing the light emitting surface of the light emitting element, the light generated by the light emitting element is guided to the perforation through the reflective surface and emits light upward. The touch panel device according to claim 1, wherein the light emitting element is a light emitting diode. The touch panel device according to claim 1, wherein the transparent adhesive layer is a transparent adhesive.

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