CN109871063A

CN109871063A - Track touch-control sensing module

Info

Publication number: CN109871063A
Application number: CN201711248684.7A
Authority: CN
Inventors: 叶明辉
Original assignee: Primax Electronics Ltd
Current assignee: Primax Electronics Ltd
Priority date: 2017-12-01
Filing date: 2017-12-01
Publication date: 2019-06-11
Anticipated expiration: 2037-12-01
Also published as: CN109871063B

Abstract

The present invention provides a kind of track touch-control sensing module, including a Contact plate, a light guide plate, a light-emitting component, a track touch sensor and a light guide；Light guide plate is installed on the downside of Contact plate；Track touch sensor is installed on the downside of light guide plate；Light-emitting component is installed below the track touch sensor and is electrically connected track touch sensor；Light guide is enclosed set on the outside of light guide plate, track touch sensor and light-emitting component；Reach the function of having both track panel and keyboard whereby.

Description

Track touch-control sensing module

Technical field

The present invention is about a kind of track touch-control sensing module.

Background technique

Track touch-control module is usually mounted in laptop, to use as built-in mouse, when user's Portable pen When remembering that this computer is gone out, when such as forgetting to carry external access of mouse, it can be contacted using finger on the Contact plate of track touch-control module Sliding, and reach mobile notebook computer screen middle reaches target effect.

Existing track touch-control module mainly includes a Contact plate, a track touch sensor and a circuit board；Touching Plate the cover is fixed on track touch sensor, and track touch sensor is electrically connected circuit board, and circuit board is electrically connected pen Remember this computer；When finger is touched and slided in Contact plate, track touch sensor can be by finger in the moving rail on Contact plate Mark is converted into a displacement signal, then to pass to laptop.

Existing track touch-control module is only capable of using when the built-in mouse of touching moving cursor in laptop, and operate Sensitivity and ease of use are bad, are only capable of as interim alternative solution, therefore track touch-control module is in laptop It is not high using degree, but must tie up the keypad space of laptop；Furthermore laptop does not have independent number Word keyboard, digital keys and other letters or symbol keys share, therefore to integrate the side of track touch-control module and numeric keypad To being improved.

Summary of the invention

The main object of the present invention is providing a kind of track touch-control sensing module.

In a preferred embodiment, the present invention provides a kind of track touch-control sensing module, including a Contact plate, a leaded light Plate, at least a light-emitting component, a track touch sensor and a light guide；The light guide plate is installed on the downside of the Contact plate Face；The track touch sensor is installed on the downside of the light guide plate；The light-emitting component is installed on the track touch-control sensing member Below part and it is electrically connected the track touch sensor；The light guide is enclosed set on the light guide plate, the track touch sensor And the outside of the light-emitting component；The light source that wherein light-emitting component is issued sequentially is provided by the light guide and the light guide plate Give the Contact plate；The track touch-control sensing module is set to have both the function of track panel and keyboard whereby.

Preferably also includes a circuit board, which is installed on the lower section of the track touch sensor, the circuit Plate and the track touch sensor and light-emitting component is electrically connected, which passes through the circuit board and the track Touch sensor is electrically connected, which is located between the Contact plate and the circuit board.

Preferably, the light guide include a bottom plate and an enclosure wall, which is installed on the track touch sensor Lower section and intermediate position offers an opening, which upwardly extends from the outer ledge of the bottom plate, the Contact plate, the bottom An accommodating space is formed between plate and the enclosure wall, which is connected to the opening, the light guide plate and the track touch-control sensing Element is installed in the accommodating space, which corresponds to the bottom plate and be disposed in the opening.

Preferably, the enclosure wall enclose the outside set on the light guide plate and the track touch sensor, which should Opening, and the bottom plate is located between the circuit board and the track touch sensor.

The cross sectional shape of preferably, the bottom plate and the enclosure wall is in " L " shape.

Preferably, the light-emitting component and the bottom plate are parallel be arranged.

Preferably, further includes a light source guide element and an at least luminescence unit, which encloses set on the touching The outside of striking plate and the light guide, the luminescence unit correspond to the light source guide element and are installed on the lower section of the circuit board and electrically connect The circuit board is connect, the light source which is issued is appeared by the light source guide element.

Preferably, the light source guide element include an annular plate and a wall, and position has one to wear among the annular plate Mouthful, which upwardly extends from the outer ledge of the annular plate, and the wall and the annular plate are initially formed an installation space, The installation space is connected to this and wears mouth, the Contact plate, the light guide plate, the track touch sensor, the light guide, the light-emitting component And the circuit board is respectively arranged in the installation space, which, which corresponds to the annular plate and be disposed in this, wears mouth.

Preferably, the wall are a transmittance section adjacent to the one end of the Contact plate, which encloses outside the Contact plate Portion, the light source for enabling the luminescence unit be issued are appeared by the transmittance section.

Preferably, the wall are enclosed set on the outside of the Contact plate, the light guide and the circuit board, the circuit board the cover this wear Mouthful, and the circuit board is located between the bottom plate and the annular plate.

The cross sectional shape of preferably, the annular plate and the wall is in " L " shape.

Preferably, the luminescence unit and the annular plate are parallel be arranged；Achieve the effect that save landscape configuration space whereby.

Preferably is coated with a transparent adhesion coating between the light guide plate and Contact plate, the light guide plate and the track touch-control sense It surveys between element and is coated with a following layer.

Preferably, the transparent adhesion coating are the solid for expanding luminescent material added with one, which is anti-added with one Penetrate a solid of material.

Touch-control sensing module in track provided by the invention passes through light guide plate, light guide, light source guide element, light-emitting component And the setting of luminescence unit, so that track touch-control sensing module 100 is had both the function of track panel and keyboard.

Detailed description of the invention

Fig. 1 is the schematic diagram 1 of touch-control sensing module in track of the present invention.

Fig. 2 is the schematic diagram 2 of touch-control sensing module in track of the present invention.

Fig. 3 is use state Fig. 1 of touch-control sensing module in track of the present invention.

Fig. 4 is use state Fig. 2 of touch-control sensing module in track of the present invention.

Fig. 5 is use state Fig. 3 of touch-control sensing module in track of the present invention.

Description of symbols:

Track touch-control sensing module

10 Contact plates

11 light transmissions mark

20 light guide plates

30 track touch sensors

40 light-emitting components

50 circuit boards

60 light guides

61 bottom plates 611 opening

62 enclosure wall, 63 accommodating space

70 light source guide elements

71 annular plates 711 wear mouth

72 wall, 721 transmittance section

73 installation spaces

80 luminescence units

91 transparent adhesion coating, 92 following layer

B host

S1 light source S2 light source

Specific embodiment

Fig. 1 and Fig. 2 is please referred to, is the schematic diagram 1 and schematic diagram 2 of touch-control sensing module in track of the present invention；Track touch-control Sensing module 100 is electrically connected a host B, and host B can be laptop, table host computer or electronic game station ... Deng, but it is not subject to the limits；Track touch-control sensing module 100 includes a Contact plate 10, a light guide plate 20, a track touch-control sensing member Part 30, at least a light-emitting component 40, a circuit board 50, a light guide 60, a light source guide element 70 and an at least luminescence unit 80。

Contact plate 10 is equipped with a light transmission and identifies 11 (such as Fig. 4), and light transmission identifies 11 (such as Fig. 4) can be shown in numeric keypad, word Female keyboard diagram or other keys diagram ... etc., but it is not subject to the limits；Light guide plate 20 is element made by light-transmitting materials, light guide plate 20 are installed on the downside of Contact plate 10；Track touch sensor 30 is installed on the downside of light guide plate 20；Light-emitting component 40 It is installed on 30 lower section of track touch sensor；Circuit board 60 is installed on the lower section of track touch sensor 30, circuit board 50 And track touch sensor 30, light-emitting component 40 and host B is electrically connected, so that light-emitting component 40 is passed through circuit board 50 It is electrically connected with track touch sensor 30；Light-emitting component 40 can be single color a light emitting diode, full-color light-emitting diode, list Color LED light or full-color LED lamp.

For light guide 60 between Contact plate 10 and circuit board 50, light guide 60 includes a bottom plate 61 and an enclosure wall 62, The outer ledge of enclosure wall 62 from bottom plate 61 upwardly extend and, corresponding 62 the cover of enclosure wall of Contact plate 10 is in enclosure wall 62 far from bottom plate 61 One end makes to be formed with an accommodating space 63, light guide plate 20 and track touch-control sensing between Contact plate 10, bottom plate 61 and enclosure wall 62 Element 30 is installed in accommodating space 63, and the enclosure wall 62 of light guide 60 is enabled to enclose set on light guide plate 20 and track touch sensor 30 Outside, and bottom plate 61 is installed on the lower section of track touch sensor 30 and intermediate position offers an opening 611, is open 611 connection accommodating spaces 63,50 cap opening 611 of circuit board and connecting bottom board 61, make bottom plate 61 be located in circuit board 50 and rail Between mark touch sensor 30, the corresponding bottom plate 61 of light-emitting component 40 is disposed in opening 611, and light-emitting component 40 is enabled to be located at track Between touch sensor 30, bottom plate 61 and circuit board 50, and light-emitting component 40 is parallel arranging, light-emitting component 40 with bottom plate 61 The light source S1 issued can be passed in bottom plate 61 from the inner wall of bottom plate 61, and then light source S1 sequentially passes through the bottom plate of light guide 60 61, the enclosure wall 62 of light guide 60 and light guide plate 20 and be supplied to Contact plate 10；The cross sectional shape of bottom plate 61 and enclosure wall 62 is in one " L " Shape.

Light source guide element 70 includes an annular plate 71 and a wall 72, and the intermediate position of annular plate 71 has one to wear mouth 711, the outer ledge of wall 72 from annular plate 71 upwardly extends, and wall 72 and annular plate 71 are initially formed an installation space 73, it wears mouth 711 and is connected to installation space 73, Contact plate 10, light guide plate 20, track touch sensor 30, light guide 60, shine member Part 40 and circuit board 50 are respectively arranged in installation space 73, enclose wall 72 set on Contact plate 10, light guide 20 and circuit board 50 outside, 50 the cover of circuit board wear mouth 711 and connection annular plate 71, and circuit board 50 be located in bottom plate 61 and annular plate 71 it Between；80 corresponding light source guide elements 70 of luminescence unit are installed on the lower section of circuit board 50 and are electrically connected circuit board 50, shine The corresponding annular plate 71 of unit 80, which is disposed in, wears mouth 711, and luminescence unit 80 is parallel be arranged with annular plate 71；Light source guide element 70 Wall 72 adjacent to one end of Contact plate 10 be a transmittance section 721, the light source S2 that luminescence unit 80 is issued is via annular plate 71 Inner wall be passed to annular plate 71 in, then light source S2 is sequentially by the guidance of annular plate 71 and wall 72 by transmittance section 721 It appears；The cross sectional shape of annular plate 71 and wall 72 is in " L " shape；Luminescence unit 80 is single color light emitting diode, full-color light-emitting Diode, single color LED light or full-color LED lamp.

It referring to figure 3. and Fig. 4, is use state Fig. 1 and use state Fig. 2 of touch-control sensing module in track of the present invention, When being intended to the track touch function using track touch-control sensing module 100, track touch sensor 30 can be cut by host B It changes track control mode touch mode into, user is enabled to be able to use finger in 10 Frictional Slipping of Contact plate, when track touch sensor 30 Finger is sensed in the motion track on Contact plate 10, motion track can be then converted into a trajectory signal by touch sensor 30 Pass to host B；In addition, host B can drive luminous when track touch sensor 30 is switched to track control mode touch mode Unit 80 shines, and the light source S2 that luminescence unit 80 is issued is sequentially by the guiding of bottom plate 71 and wall 72 by the saturating of wall 72 Light portion 721 appears, and forms a Luminous ring in the exterior circumferential of Contact plate 10, in order to which user recognizes track touch-control sensing mould Block 100 has the effect of for track control mode touch mode and also decoration at present, furthermore touch-control sensing module in track is used at dark When 100, user's luminous ray can also be provided by the light source S2 appeared through transmittance section 721, enable user at dark Track touch-control sensing module 100 can smoothly be used.

Furthermore when being intended to the touch control keyboard function using track touch-control sensing module 100, track can be touched by host B Control sensing element 30 switches to touch control keyboard mode, and host B can drive light-emitting component 40 to shine at this time, and the light of light-emitting component 40 Source S1 sequentially passes to light guide plate 20 by the guiding of bottom plate 61 and enclosure wall 62, in the guiding for passing through light guide plate 20, makes to shine The light source S1 that element 40 issues is issued from the upper side of light guide plate 20 and is supplied to Contact plate 10, what last light-emitting component 40 issued Light source S1 is appeared from the light transmission mark 11 of Contact plate 10, to form keyboard diagram or key diagram, track touch-control in Contact plate 10 Sensing element 30 sense user's finger touching be formed in Contact plate 10 keyboard diagram or key illustrate when, track touch-control sense The location information that finger is touched can be converted into a position signal and pass to host B by survey element 30, whereby via light guide 60, light The setting of source guide element 70, light-emitting component 40 and luminescence unit 80 enables track touch-control sensing module 100 in addition to as track plane Plate also can be used as keyboard or other keys use outside；In addition, when using touch-control sensing module 100 in track at dark, User's luminous ray can be provided by the light source S1 appeared from light transmission mark 11, enable user can also be smoothly at dark Use track touch-control sensing module 100.

Additionally due to Contact plate 10, light guide plate 20, track touch sensor 30, light-emitting component 40, circuit board 50, leaded light Part 60, light source guide element 70 and luminescence unit 80 are vertical arranging, therefore can achieve the effect that save landscape configuration space.

It referring to figure 5., is use state Fig. 3 of touch-control sensing module in track of the present invention, wherein can be in light guide plate 20 and touching A transparent adhesion coating 91 is coated between striking plate 10, transparent adhesion coating 91 is the solid for expanding luminescent material added with one, solid It can be viscose glue, but not subject to the limits, so that the upper side for being fixed on light guide plate 20 that Contact plate 10 can consolidate, enables Contact plate 10 cover It is fixed on light guide plate 20；In addition, being coated with a following layer 92 between light guide plate 20 and track touch sensor 30, light guide plate is enabled 20 are fixed on track touch sensor 30, and following layer 92 is the solid added with a reflecting material；Therefore, light-emitting component When the 40 light source S1 issued are passed in light guide plate 20 via light guide 60, following layer 92 can will be in 20 downside of light guide plate The light source S1 appeared is reflected back in light guide plate 20, to improve the lumen number of the light source S1 appeared from 20 upper side of light guide plate, whereby Increase the luminous intensity of light guide plate 20；Furthermore the light source S2 that 20 upper side of light guide plate is appeared can be by transparent adhesion coating 91 Diffusion, the light source S1 appeared from 20 upper side of light guide plate can be uniformly supplied to Contact plate 10, to reach equal light Effect.

According to above description it is found that first, pass through light guide plate 20, light guide 60, light source guide element 70, light-emitting component 40 and luminescence unit 80 setting, so that track touch-control sensing module 100 is had both the function of track panel and keyboard；Second, due to Contact plate 10, light guide plate 20, track touch sensor 30, light-emitting component 40, circuit board 50, light guide 60, light source guiding member Part 70 and luminescence unit 80 are vertical arranging, therefore can achieve the effect that save landscape configuration space.

The foregoing is merely presently preferred embodiments of the present invention, the claim being not intended to limit the invention, thus it is all its It is intended to be limited solely by the claim of this case without departing from the lower equivalent change or modification completed of spirit disclosed in this invention It is interior.

Claims

1. A track touch sensing module, comprising:

one touch pad;

a light guide plate mounted on the lower side of the touch panel;

a track touch sensing element mounted on the lower side of the light guide plate;

at least one light-emitting element mounted under the track touch sensing element and electrically connected to the track touch sensing element; and

a light guide member surrounding the light guide plate, the track touch sensing element and the light emitting element;

Wherein, the light source emitted by the light-emitting element is sequentially provided to the touch panel through the light guide member and the light guide plate.

2 . The track touch sensing module of claim 1 , further comprising a circuit board mounted below the track touch sensing element, the circuit board being electrically connected to the track touch sensing elements respectively. 3 . An element and a light-emitting element, the light-emitting element is electrically connected with the track touch sensing element through the circuit board, and the light guide is located between the touch board and the circuit board.

3 . The track touch sensing module of claim 2 , wherein the light guide comprises a bottom plate and a surrounding wall, the bottom plate is mounted below the track touch sensing element and an opening is defined in the middle portion, and the surrounding wall extends from the track touch sensing element. 4 . The outer edge of the bottom plate extends upward, and an accommodating space is formed between the touch panel, the bottom plate and the surrounding wall, the accommodating space is connected with the opening, and the light guide plate and the track touch sensing element are installed in the accommodating space. In the installation space, the light-emitting element is disposed in the opening corresponding to the bottom plate.

4 . The track touch sensing module of claim 3 , wherein the enclosure wall surrounds the light guide plate and the track touch sensing element, the circuit board covers the opening, and the bottom plate is sandwiched between the circuit. 5 . between the board and the track touch sensing element.

5 . The track touch sensing module of claim 3 , wherein the cross-sectional shape of the bottom plate and the surrounding wall is an “L” shape. 6 .

6 . The track touch sensing module of claim 3 , wherein the light-emitting element and the base plate are disposed in parallel. 7 .

7 . The track touch sensing module of claim 3 , further comprising a light source guiding element and at least one light emitting unit, the light source guiding element is disposed outside the touch panel and the light guide member, and the light emitting unit is 7. 8 . The unit is installed under the circuit board corresponding to the light source guiding element and is electrically connected to the circuit board, and the light source emitted by the light-emitting unit is transmitted through the light source guiding element.

8 . The track touch sensing module of claim 7 , wherein the light source guiding element comprises a ring-shaped plate and a vertical wall, a middle portion of the ring-shaped plate has a through hole, and the vertical wall extends from the ring-shaped plate. 9 . The outer edge extends upward, and the vertical wall and the annular plate first form an installation space, the installation space communicates with the through hole, the touch panel, the light guide plate, the track touch sensing element, the light guide The light-emitting element, the light-emitting element and the circuit board are respectively installed in the installation space, and the light-emitting unit is disposed in the through hole corresponding to the annular plate.

9 . The track touch sensing module of claim 8 , wherein an end portion of the vertical wall adjacent to the touch panel is a light-transmitting portion, and the light-transmitting portion is surrounded outside the touch panel, so that the light-emitting unit is surrounded by the touch panel. 10 . The emitted light source is transmitted through the light-transmitting portion.

10 . The track touch sensing module of claim 8 , wherein the vertical wall surrounds the touch panel, the light guide member and the outside of the circuit board, the circuit board covers the opening, and the circuit board It is sandwiched between the bottom plate and the annular plate.

11. The track touch sensing module of claim 8, wherein the cross-sectional shape of the annular plate and the vertical wall is an "L" shape.

12 . The track touch sensing module of claim 8 , wherein the light-emitting unit and the annular plate are disposed in parallel. 13 .

13 . The track touch sensing module of claim 1 , wherein a transparent adhesive layer is coated between the light guide plate and the touch pad, and an adhesive layer is coated between the light guide plate and the track touch sensing element. 14 .

14 . The track touch sensing module of claim 13 , wherein the transparent adhesive layer is an adhesive added with a light diffusing material, and the adhesive layer is an adhesive added with a reflective material. 15 .