TWI639108B - Track touch sensing module - Google Patents

Abstract

The invention provides a track touch sensing module, comprising a touch panel, a light guide plate, a light emitting component, a track touch sensing component and a light guiding member; the light guiding plate is mounted on the lower side of the touch panel; The track touch sensing component is mounted on the lower side of the light guide plate; the light emitting component is mounted under the track touch sensing component and electrically connected to the track touch sensing component; the light guide is disposed around the light guide plate and the track touch sense Measuring the outside of the component and the light-emitting component; thereby achieving the function of combining the track panel and the keyboard.

Description

Track touch sensing module

The invention relates to a track touch sensing module.

The track touch module is usually installed in a notebook computer to be used as a built-in mouse. When the user carries the notebook computer, if the user forgets to carry the external mouse, the finger can be used for the track touch module. Touch the slide on the touchpad to achieve the effect of moving the cursor on the notebook screen.

The conventional track touch module mainly includes a touch panel, a track touch sensing component and a circuit board; the touch panel cover is fixed on the track touch sensing component, and the track touch sensing component is electrically connected. The circuit board and the circuit board are electrically connected to the notebook computer; when the finger touches and slides on the touch panel, the track touch sensing component converts the movement track of the finger on the touch panel into a displacement signal, and then passes the note to the note. Computer.

The conventional track touch module can only be used as a built-in mouse for moving the cursor in the notebook computer, and the sensitivity and ease of use of the operation are not good, and can only be used as a temporary alternative, so the track touch module The use of the notebook computer is not high, but it must occupy the keyboard space of the notebook computer; in addition, the notebook computer does not have a separate numeric keypad, and the digital key system is shared with other letters or symbol keys, so The direction of the integrated track touch module and the numeric keypad is improved.

The main object of the present invention is to provide a track touch sensing module.

In a preferred embodiment, the present invention provides a track touch sensing module, including a touch panel, a light guide panel, at least one light emitting component, a track touch sensing component, and a light guide; The light board is mounted on the lower side of the touch panel; the track touch sensing component is mounted on the lower side of the light guide plate; the light emitting component is mounted under the track touch sensing component and electrically connected to the track touch sensing The light guide is disposed around the light guide plate, the track touch sensing component and the light emitting component; wherein the light source emitted by the light emitting component is sequentially supplied to the light guide and the light guide plate Touching the board; thereby making the track touch sensing module have the functions of the track panel and the keyboard.

Preferably, the circuit board further includes a circuit board, the circuit board is mounted under the track touch sensing component, and the circuit board is electrically connected to the track touch sensing component and the light emitting component respectively. The circuit board is electrically connected to the track touch sensing component, the light guiding component is located between the touch panel and the circuit board; the light guiding component comprises a bottom plate and a surrounding wall, and the bottom plate is mounted on the track touch An opening is formed in the lower portion of the sensing element, and the opening portion extends upwardly from the outer edge of the bottom plate. An accommodating space is formed between the touch panel, the bottom plate and the surrounding wall, and the receiving space communicates with the opening. The light guide plate and the track touch sensing component are mounted in the accommodating space, and the light emitting component is disposed on the opening corresponding to the bottom plate; preferably, the surrounding wall is disposed around the light guide plate and the track touch An external portion of the sensing component, the circuit board covers the opening, and the bottom plate is sandwiched between the circuit board and the track touch sensing component; preferably, the cross-sectional shape of the bottom plate and the surrounding wall is L" shape; preferred The light-emitting element and the bottom plate are arranged in parallel.

Preferably, the method further includes a light source guiding component and the at least one light emitting unit, the light source guiding component is disposed outside the touch panel and the light guiding member, and the light emitting unit corresponds to the light source guiding component mounted on the circuit A light source emitted from the light emitting unit is transmitted through the light source guiding member; preferably, the light source guiding member includes an annular plate and a vertical wall, and the annular plate is electrically connected to the circuit board. Middle part The position has an opening, the vertical wall extends upward from an outer edge of the annular plate, and the vertical wall and the annular plate first form an installation space, the installation space is connected to the opening, the touch panel, The light guide plate, the track touch sensing component, the light guide, the light emitting component and the circuit board are respectively mounted in the installation space, and the light emitting unit is disposed on the opening corresponding to the annular plate; preferably An end portion of the vertical wall adjacent to the touch panel is a light-transmitting portion, and the light-transmitting portion is disposed outside the touch panel, so that a light source emitted by the light-emitting unit is transparently emitted from the light-transmitting portion; preferably The vertical wall is disposed around the touch panel, the light guide member and the circuit board, the circuit board covers the opening, and the circuit board is sandwiched between the bottom plate and the annular plate; Preferably, the cross-sectional shape of the annular plate and the vertical wall is in an "L" shape; preferably, the light-emitting unit and the annular plate are arranged in parallel; thereby achieving the effect of saving the lateral arrangement space. .

Preferably, a transparent adhesive layer is coated between the light guide plate and the touch panel, and an adhesive layer is coated between the light guide plate and the track touch sensing component; preferably, the transparent adhesive layer is added There is an adhesive for the light-amplifying material which is an adhesive to which a reflective material is added.

100‧‧‧Track Touch Sensing Module

10‧‧‧Touch panel

11‧‧‧Transparent logo

20‧‧‧Light guide

30‧‧‧Track touch sensing components

40‧‧‧Lighting elements

50‧‧‧ boards

60‧‧‧Light guides

61‧‧‧floor

611‧‧‧ openings

62‧‧‧Wall

63‧‧‧ accommodating space

70‧‧‧Light source guiding element

71‧‧‧ring plate

711‧‧‧ wearing a mouth

72‧‧‧Building wall

721‧‧‧Transmission Department

73‧‧‧Installation space

80‧‧‧Lighting unit

91‧‧‧Transparent adhesive layer

92‧‧‧Next layer

B‧‧‧Host

S1‧‧‧ light source

S2‧‧‧ light source

1 is a schematic diagram 1 of a track touch sensing module of the present invention.

2 is a schematic diagram 2 of the track touch sensing module of the present invention.

FIG. 3 is a view showing a state of use of the track touch sensing module of the present invention.

FIG. 4 is a diagram 2 showing a state of use of the track touch sensing module of the present invention.

FIG. 5 is a view showing a state of use of the track touch sensing module of the present invention.

Please refer to FIG. 1 and FIG. 2 , which are schematic diagrams 1 and 2 of the track touch sensing module of the present invention; the track touch sensing module 100 is electrically connected to a host B, and the host B can be a notebook computer or a table. Using a computer host or an electronic game device, etc., but not limited thereto; the track touch sensing module 100 includes a touch panel 10 and a light guide plate 20. A track touch sensing component 30, at least one light emitting component 40, a circuit board 50, a light guiding component 60, a light source guiding component 70, and at least one light emitting unit 80.

The touch panel 10 is provided with a light-transmissive mark 11 (as shown in FIG. 4), and the light-transmitting mark 11 (as shown in FIG. 4) may be a numeric keypad icon, an alphabetic keyboard icon or other button icons, etc., but not limited thereto. The light guide plate 20 is made of a light-transmitting material, the light guide plate 20 is mounted on the lower side of the touch panel 10; the track touch sensing element 30 is mounted on the lower side of the light guide plate 20; the light-emitting element 40 is mounted on the track The circuit board 50 is mounted under the track touch sensing component 30, and the circuit board 50 is electrically connected to the track touch sensing component 30, the light emitting component 40, and the host B, respectively, so that the light emitting component 40 The circuit board 50 is electrically connected to the track touch sensing component 30. The light emitting component 40 can be a single color light emitting diode, a full color light emitting diode, a single color LED light or a full color LED light.

The light guiding member 60 is located between the touch panel 10 and the circuit board 50. The light guiding member 60 includes a bottom plate 61 and a surrounding wall 62. The surrounding wall 62 extends upward from the outer edge of the bottom plate 61. The touch panel 10 covers the corresponding wall 62. An accommodating space 63 is formed between the touch panel 10, the bottom plate 61 and the wall 62, and the light guide plate 20 and the track touch sensing component 30 are mounted in the accommodating space 63. The wall 62 of the light guide member 60 is disposed outside the light guide plate 20 and the track touch sensing component 30, and the bottom plate 61 is mounted under the track touch sensing component 30 and has an opening 611 in the middle portion. The opening 611 is connected. The accommodating space 63, the circuit board 50 covers the opening 611 and is connected to the bottom plate 61, so that the bottom plate 61 is interposed between the circuit board 50 and the track touch sensing element 30, and the light-emitting element 40 is disposed in the opening 611 corresponding to the bottom plate 61. The light emitting element 40 is disposed between the track touch sensing element 30, the bottom plate 61, and the circuit board 50, and the light emitting element 40 and the bottom plate 61 are disposed in parallel. The light source S1 emitted by the light emitting element 40 can be from the inner wall surface of the bottom plate 61. Passing into the bottom plate 61, and the rear light source S1 sequentially passes through the bottom of the light guide 60 61, the wall 60 of the light guide member 62 and the light guide plate 20 is provided to the touch panel 10; 61 floor-based cross-sectional shape and the walls 62 form a "L" shape.

The light source guiding member 70 includes an annular plate 71 and a vertical wall 72. The intermediate portion of the annular plate 71 has a through opening 711, and the vertical wall 72 is from the outer side of the annular plate 71. The edge wall extends upwardly, and the vertical wall 72 and the annular plate 71 form an installation space 73. The opening 711 communicates with the installation space 73. The touch panel 10, the light guide plate 20, the track touch sensing component 30, and the light guide member 60, the light-emitting element 40 and the circuit board 50 are respectively mounted in the installation space 73, so that the vertical wall 72 is disposed around the touch panel 10, the light guide 20 and the circuit board 50, and the circuit board 50 covers the opening 711 and is connected. The annular plate 71 is disposed between the bottom plate 61 and the annular plate 71. The light-emitting unit 80 is mounted on the lower side of the circuit board 50 corresponding to the light source guiding component 70 and electrically connected to the circuit board 50. The light-emitting unit 80 The corresponding annular plate 71 is disposed in the through hole 711, and the light emitting unit 80 and the annular plate 71 are arranged in parallel; the end of the vertical wall 72 of the light source guiding member 70 adjacent to the touch panel 10 is a light transmitting portion 721 ( As shown in FIG. 3), the light source S2 emitted from the light-emitting unit 80 is introduced into the annular plate 71 via the inner wall surface of the annular plate 71, and the rear light source S2 is sequentially guided by the annular plate 71 and the vertical wall 72 to be transmitted by the light-transmitting portion. 721 is transparent; the cross-sectional shape of the annular plate 71 and the vertical wall 72 is in an "L" shape; the light-emitting unit 80 is a single-color light-emitting diode, full-color light Pole, single-color full-color LED lamps or LED lamps.

Please refer to FIG. 3 and FIG. 4 , which are used in FIG. 1 and the state of use FIG. 2 of the track touch sensing module of the present invention. When the track touch function of the track touch sensing module 100 is to be used, The track touch sensing component 30 is switched to the track touch mode by the host B, so that the user can use the finger to frictionally slide on the touch panel 10, and when the track touch sensing component 30 senses the finger on the touchpad 10 The movement sensing track 30 converts the movement track into a track signal and transmits it to the host B. In addition, when the track touch sensing element 30 is switched to the track touch mode, the host B drives the light unit. 80, the light source S2 emitted by the light-emitting unit 80 is sequentially transmitted through the transparent portion 721 of the vertical wall 72 through the guiding of the bottom plate 71 and the vertical wall 72, and an light-emitting ring is formed around the outside of the touch panel 10. In order to facilitate the user to recognize the track, the touch sensing module 100 is currently in the track touch mode and has a decorative effect. When the track touch sensing module 100 is used in the dark, the light can also be transmitted through the light. The light source S2 exposed by the portion 721 provides visible light to the user, so that It may also be used in a dark place smoothly by using the trajectory of the touch sensing module 100.

Furthermore, when the touch keyboard of the track touch sensing module 100 is to be used, When the function is performed, the host touches the touch sensing component 30 to the touch keyboard mode. At this time, the host B drives the light emitting device 40 to emit light, and the light source S1 of the light emitting device 40 sequentially passes through the bottom plate 61 and the fence 62. Guided and transmitted to the light guide plate 20, the light source S1 emitted from the light-emitting element 40 is emitted from the upper side of the light guide plate 20 to be supplied to the touch panel 10 by the guiding of the light guide plate 20, and finally the light source emitted from the light-emitting element 40 The light-transmitting mark 11 of the touch panel 10 is formed by the S1, so that the touch panel 10 forms a keyboard icon or a button icon, and the track touch sensing component 30 senses that the user's finger touch is formed on the touch panel 10 . When the keyboard icon or the button icon is displayed, the track touch sensing component 30 converts the position information touched by the finger into a position signal and transmits it to the host B, thereby passing the light guide 60, the light source guiding component 70, and the light emitting component. 40 and the setting of the light-emitting unit 80, the track touch sensing module 100 can be used as a keyboard or other buttons in addition to being used as a track panel; in addition, when the track touch sensing module 100 is used in the dark, The light source S1 that can be seen through the light-transmitting mark 11 The visible light is provided to the user, so that the user can smoothly use the track touch sensing module 100 in the dark.

In addition, since the touch panel 10, the light guide panel 20, the track touch sensing component 30, the light emitting component 40, the circuit board 50, the light guide 60, the light source guiding component 70, and the light emitting unit 80 are vertically disposed, Save the effect of horizontal configuration space.

Please refer to FIG. 5 , which is a state of use of the track touch sensing module of the present invention. FIG. 3 is a transparent adhesive layer 91 coated between the light guide plate 20 and the touch panel 10 , and the transparent adhesive layer 91 is added. An adhesive for the light-expanding material, the adhesive agent may be an adhesive, but not limited thereto, so that the touch panel 10 can be firmly fixed to the upper side of the light guide plate 20, and the touch panel 10 is fixed to the light guide plate 20. In addition, an adhesive layer 20 is applied between the light guide plate 20 and the track touch sensing component 30 to fix the light guide plate 20 to the track touch sensing component 30, and then the layer 92 is followed by a reflective material. Therefore, when the light source S1 emitted from the light-emitting element 40 is transmitted to the light guide plate 20 via the light guide 60, the second layer 92 can reflect the light source S1 that is reflected from the lower side of the light guide plate 20 back into the light guide plate 20 to Increasing the lumen number of the light source S1 exposed from the upper side of the light guide plate 20, thereby increasing the light-emitting intensity of the light guide plate 20; further, the light source S1 exposed through the upper side surface of the light guide plate 20 can be diffused by the transparent adhesive layer 91. Self-guided light The light source S1 that is exposed on the upper side of the board 20 can be uniformly supplied to the touch panel 10 to achieve a uniform light effect.

According to the above description, first, by the arrangement of the light guide plate 20, the light guide member 60, the light source guiding component 70, the light emitting component 40, and the light emitting unit 80, the track touch sensing module 100 has a track panel and The function of the keyboard; secondly, since the touch panel 10, the light guide plate 20, the track touch sensing component 30, the light emitting component 40, the circuit board 50, the light guiding member 60, the light source guiding component 70, and the light emitting unit 80 are vertical With the configuration, it is possible to achieve the effect of saving the lateral configuration space.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, any equivalent changes or modifications made without departing from the spirit of the present invention should be included in the present invention. Within the scope of the patent application.

Claims (14)

A track touch sensing module includes: a touch panel; a light guide plate mounted on a lower side of the touch panel; a track touch sensing component mounted on a lower side of the light guide plate; at least one light emitting The component is mounted under the track touch sensing component and electrically connected to the track touch sensing component; and a light guiding member is disposed around the light guide plate, the track touch sensing component and the light emitting component The light source emitted by the light-emitting element is sequentially supplied to the touch panel through the light guide and the light guide plate. The track touch sensing module of claim 1, further comprising a circuit board mounted on the track sensing component, wherein the circuit board is electrically connected to the track touch The sensing component and the illuminating component are electrically connected to the trajectory touch sensing component through the circuit board, and the light guiding component is located between the touchpad and the circuit board. The trajectory touch sensing module of claim 2, wherein the light guiding member comprises a bottom plate and a surrounding wall, wherein the bottom plate is mounted under the track touch sensing component and an opening is formed in the middle portion. An accommodating space is formed between the touch panel, the bottom panel and the surrounding wall, and the accommodating space communicates with the opening, and the light guide plate and the track touch sensing component are installed. In the accommodating space, the illuminating element is disposed at the opening corresponding to the bottom plate. The track touch sensing module of claim 3, wherein the wall is disposed outside the light guide plate and the track touch sensing component, the circuit board covers the opening, and the bottom plate is clamped to The circuit board and the track touch sensing component. For example, in the track touch sensing module of claim 3, the cross-sectional shape of the bottom plate and the surrounding wall is in an "L" shape. The track touch sensing module of claim 3, wherein the light emitting element and the bottom plate are arranged in parallel. The trajectory touch sensing module of claim 3, further comprising a light source guiding component and at least one light emitting unit, wherein the light source guiding component is disposed outside the touch panel and the light guiding member, The light-emitting unit is mounted below the circuit board and electrically connected to the circuit board, and the light source emitted by the light-emitting unit is transmitted through the light source guiding element. The trajectory touch sensing module of claim 7, wherein the light source guiding component comprises an annular plate and a vertical wall, and the middle portion of the annular plate has a through opening, the vertical wall is from the ring The outer edge of the plate extends upwardly, and the vertical wall and the annular plate form an installation space. The installation space communicates with the opening, the touch panel, the light guide plate, the track touch sensing component, and the The light guide, the light emitting element and the circuit board are respectively mounted in the installation space, and the light emitting unit is disposed on the opening corresponding to the annular plate. The trajectory touch sensing module of claim 8 , wherein one end of the vertical wall adjacent to the touch panel is a light transmitting portion, and the light transmitting portion is disposed outside the touch panel. The light source emitted by the light emitting unit is transmitted through the light transmitting portion. The track touch sensing module of claim 8 , wherein the vertical wall is disposed around the touch panel, the light guide, and the circuit board, the circuit board covers the through hole, and the The circuit board is sandwiched between the bottom plate and the annular plate. For example, in the track touch sensing module of claim 8, wherein the annular plate and the cross-sectional shape of the vertical wall are in an "L" shape. The track touch sensing module of claim 8 , wherein the light emitting unit and the annular plate are arranged in parallel. The trajectory touch sensing module of claim 1 , wherein a transparent adhesive layer is coated between the light guide plate and the touch panel, and the light guide plate and the track touch sensing component are coated with one step. Floor. The track touch sensing module of claim 13, wherein the transparent adhesive layer is an adhesive added with a light-expanding material, and the adhesive layer is an adhesive added with a reflective material.