TWI471584B - Remote sensing module - Google Patents

Description

Remote sensing module

The invention relates to a remote sensing module, in particular to a remote sensing module which is disposed on a thinned flat display and can be used for remote control or energy saving sensing functions, and the module is structured by The design can avoid or reduce the interference of the optical signal emitted by the infrared emitter on its sensor to enhance the light sensing effect.

Generally, a video display device of a television set usually performs operations on a corresponding function of the device by using a remote controller. In addition to the corresponding physical buttons for related functions, you can also display an electronic menu or screen display settings on the screen to display more functions. In addition, with the development of MEMS and semiconductor technology, a remote control that senses motion is developed. The integrated remote control technology is provided with a sensing component capable of sensing motion on three mutually perpendicular coordinate axes in the remote controller, such as a geomagnetic instrument, an accelerometer or a gyroscope or the like, or a combination thereof, by sensing the user's hand. The remote control swings in the air to operate the corresponding function of the video display device.

On the other hand, with the increasing diversification of energy-saving sensors, including space lighting, security photography or bathing equipment, most of them use infrared (IR) sensing technology to form the operation of their sensors. Such energy-saving sensors can also be provided on the audio-visual display device, so that they can be operated The function of turning on or off the power when sensing the dynamics of the viewer or leaving the seat, or performing display adjustment of the image by sensing the change of the intensity of the ambient light. Therefore, in addition to the remote control function provided by the general TV set, combined with the setting of the energy-saving sensor, the energy-saving purpose under the automatic operation can be achieved. As far as the current technology is concerned, the transmitting and receiving systems of the remote control or sensing signals can be carried out in the form of wireless transmission of infrared rays.

Please refer to the first figure, which is a perspective view of one of the remote sensing module 100 that can be applied to the remote control function or the energy-saving sensing function in the prior art. As shown in the figure, the module 100 is provided with a sensor 11 and two emitters 121 and 122 on a circuit board 101, and is designed to position the sensor 11 between the two transmitters 121 and 122. . The emitters 121, 122 are respectively configured to emit corresponding infrared light signals to sense the motion of the object in front (as indicated by the arrow direction), and the sensor 11 can sense the environment of the location. In addition to the light intensity, at the same time, it can sense and receive the corresponding light signal reflected from the object in front.

Please refer to the second figures (a) to (c) at the same time; wherein the second figure (a) is an exploded view of the remote sensing module 100; the second figure (b) is after the module 100 is assembled. The top view (c) is a side view of the module 100 after assembly. As shown in the second diagram (a), the module 100 is composed of the sensing plate 10, a holding structure 20 and two optical elements 31, 32. The sensing plate 10 is composed of a circuit board 101, a sensor 11 and two emitters 121, 122; and the holding structure 20 is provided with corresponding openings 21, 22, 23 for the sense of assembly. The detector 11 and the two emitters 121, 122 can be respectively exposed outwardly. One of the optical elements 31 includes a lens configuration for concentrating the sensor 11. And on the order In the prior art, the module 100 is disposed on a front frame 40 of a television or a display, that is, the assembly module 100 is placed in an assembly opening 401 of the front frame 40 and located therein. Sensing under the screen and facing forward (as indicated by the dashed line in Figure (b)).

As described above, the components of the module can be stacked and stacked with each other as shown in the second figures (b) and (c); that is, the sensing plate 10 is assembled to one side of the holding structure 20. Having a housing 201 and assembling the optical component 31 to the other side of the holding structure 20 corresponding to the sensor 11, and then accommodating another optical device in front of the components for completing the stacking The component 32 constitutes the remote control module 100 as a whole. Then, the whole remote sensing module 100 is assembled in the assembly opening 401 of the front frame 40 to complete the production of the product.

However, in order to meet the goal of increasingly thinning the product development of flat-panel televisions or flat-panel displays, any component or structure designed in the device, such as the front frame or the remote sensing module assembled therein, is performed. The corresponding reduction in size is a key point in R&D. Therefore, in the conventional design of the remote sensing module described above, the stacking and stacking manner on the side thereof may still result in a larger thickness of the side surface due to a larger number of components or a more complicated assembly, and thus a need for more The thick front frame elements are accommodated and will inevitably increase the thickness of the display.

In addition, for the purpose of sensing operation, the optical element or its lens structure is necessary for the purpose of filtering and concentrating the optical signal; however, if the components in the module are between When there is still a gap in the nesting stack or there is no suitable blocking structure, the interference of the sensor may be disturbed due to the scattering or diffusion of the emitted light signal, so that the module The sensing operation has an error or an abnormality.

It is an object of the present invention to provide a remote sensing module. The remote sensing module is disposed on a thinned flat display and can be used for remote control or energy saving sensing functions. Secondly, the remote sensing module can avoid or reduce the interference of the optical signal emitted by the infrared emitter on the sensor by the structural design to enhance the light sensing effect.

The present invention is a remote control sensing module, comprising: a holding structure having a first opening and a second opening, wherein a first side of the holding structure is formed with a receiving seat and a second side thereof Forming at least one first tab between the openings; a sensing plate is assembled in the receiving seat, the sensing plate has a circuit board and a sensor disposed thereon a first emitter, and the first emitter and the second emitter respectively correspond to the first opening and the second opening; and an optical component assembled on the second side of the holding structure, The optical element has a lens and at least one first groove, wherein the lens corresponds to the first opening, and the first groove corresponds to the first protrusion; wherein the holding structure The first opening and the second opening are respectively formed and formed around the first opening and the second opening of the second side.

According to the above concept, the module is applied to a flat display having a front frame, and the front frame has an assembly opening for providing the holding structure, the sensing plate and the optical for completing the nesting stack. The components are assembled in their entirety.

According to the above concept, the first transmitter is configured to emit a corresponding optical signal, and the sensor is configured to sense an ambient light intensity and a corresponding reflected optical signal reflected by the sensing, and wherein the The first recess is assembled corresponding to the first tab to isolate the optical signal.

The description of the embodiments of the present invention will now be made in a preferred embodiment. Please refer to the third figure (a), which is an exploded view of a remote sensing module 500 that can be applied to a remote control function or an energy-saving sensing function. As shown in the figure, the module 500 is composed of a sensing plate 50, a holding structure 60 and an optical element 70. The sensing board 50 includes a circuit board 501, a sensor 51, a first transmitter 521, and a second transmitter 522. The sensor 51 and the two transmitters 521 and 522 are disposed on the circuit board. One side of 501 (i.e., the other side of the plane presented in this figure) is designed to position the sensor 51 between the two emitters 521, 522.

As described above, the holding structure 60 shown in the third figure (a) exhibits a first side 60a thereof. The holding structure 60 is provided with a first opening 61, a second opening 62 and a third opening 63. Similar to the prior art design, the first opening 61, the second opening 62 and the third opening 63 correspond to the sensor 51, the first emitter 521 and the second emitter 522, respectively. So that the assembled components can be correspondingly exposed outwardly. Similarly, the transmitters 521, 522 are respectively configured to emit corresponding optical signals to sense the motion of the object in front, and the sensor 51 can sense the ambient light intensity at the location, and At the same time, it can sense and receive from the front. The corresponding optical signal reflected on the object. In this embodiment, the optical signal is an infrared ray.

As described above, the optical component 70 is also formed of a transmissive material, and the material can simultaneously filter the infrared light signal to achieve correct sensing effect of avoiding other noise interference. Next, in this embodiment, the optical component 70 is directly provided with a lens 71 formed in an integral manner, and the lens 71 is formed at a position corresponding to the sensor 51 and the first opening 61 for The reflected optical signal is condensed to improve the sensing efficiency of the lens.

Similarly, the remote sensing module 500 of the present invention is also applied to a flat display; as shown in the third diagram (a), the flat display has a front frame 80, and the front frame 80 has an assembly opening. 801, the optical element 70 has a protrusion 701 (ie, protrudes downward from the plane represented by the figure), and the protrusion 701 and the assembly opening 801 have a shape and a size corresponding to each other, so that the protrusion The holding structure 60 for completing the nesting stack, the sensing plate 50 and the optical element 70 are integrally assembled in the front frame 80 in a manner of being fitted to the assembly opening 801. In this embodiment, in order to complete the nesting stack, a plurality of studs 741-744 are disposed on the optical component 70, and the retaining structure 60 is on a second side thereof (60b, see third The sockets 661-664 corresponding to the protrusions 741-744 are formed on the (b)); the sockets 661-664 also have openings on the first side 60a of the holding structure 60 for providing the protrusions. The insertion of posts 741-744 enhances the assembly of the optical component 70 to the retaining structure 60.

Please refer to the third figure (b) at the same time, which is a schematic diagram of the holding structure 60 on the second side 60b thereof. As shown in the third figures (a) and (b), this embodiment The optical element 70 further has a plurality of grooves, respectively a first groove 721, 722 formed on one side of the lens 71 and a second groove 731, 732 formed on the other side of the lens 71. Next, the second side 60b of the holding structure 60 has a plurality of tabs; the tabs are formed into a relatively convex sheet-like structure, respectively formed in the first opening 61 and the second First tabs 641, 642 between the openings 62 and second tabs 651, 652 formed between the first opening 61 and the third opening 63. The lens 71, the protrusions 743 and 744, the first grooves 721 and 722, and the second grooves 731 and 732 are formed on the inner side of the protrusion 701.

In addition, the first side 60a of the holding structure 60 is formed with a receiving seat 601 for providing assembly of the sensing plate 50. The holding structure 60 further has a first flange 610, a second flange 620 and a third flange 630. In this embodiment, the flange is a ring-shaped structure that exhibits a relatively convex shape. Corresponding to and formed around the first opening 61, the second opening 62 and the third opening 63 of the second side 60b.

Please refer to the third figure (c) and (d) at the same time; wherein the third figure (c) is the side view of the module 500 after assembly; and the third figure (d) is the assembly of the module 500. After the top view. The components of the remote sensing module 500 can be stacked and stacked with each other as shown in the third figures (c) and (d); that is, the sensing plate 50 can be first provided with the sensor 51. One side of the two emitters 521, 522 is assembled to the receiving seat 601 of the first side 60a of the holding structure 60 such that the sensor 51, the first emitter 521 and the second emitter 522 The first opening 61, the second opening 62, and the third opening 63 can be exposed outwardly.

Then, the optical component 70 is assembled to the holding structure 60. Finally, the overall remote sensing module 500 is assembled into the assembly opening 801 of the front frame 80 to complete the manufacture of the product. The holding structure 60, the sensing plate 50 and the optical component 70 of the stacking are completed under the mutual correspondence of the size and the position design of each structure, wherein the protruding posts 741-744 are respectively inserted into the corresponding sockets. 661~664; and the lens 71 corresponds to the sensor 51. In addition, the two first tabs 641, 642 are respectively assembled corresponding to the two first recesses 721, 722, and the two second tabs 651, 652 are assembled corresponding to the two second recesses 731, 732, respectively. In it.

On the other hand, the circuit board 501 has a first signal transmission interface 53 (as shown in the third diagram (a)); the first signal transmission interface 53 is a second signal transmission interface of the front panel 80 of the flat panel display ( Not shown in the figure) for electrical connection, for transmitting the corresponding electrical signal or the corresponding electrical signal of the optical signal after being converted. In the assembly, the sensing plate 50 can be disposed in the receiving seat 601 by an adhesive to strengthen the assembly of the holding structure 60; or between the sensing plate 50 and the holding structure 60 It is also possible to further strengthen the assembly of each other by means of a screw lock.

Therefore, the overall thickness of the holding structure 60, the sensing plate 50 and the optical element 70 that complete the nesting stack corresponds to the thickness of the front frame 80. Compared with the prior art, in addition to the simpler assembly of the components of the remote sensing module 500, the direct formation of the lens 71 as a part of the optical component 70 can effectively reduce the overall size. The size of the module. In other words, when the size of the overall module can be reduced, it can be applied to a relatively thinner flat display and its front frame components. In a manufacturing example, the prior art module 100 has a large thickness The small size may be 9.43 mm, and the thickness of the module 500 of the present invention may be 6.86 mm. Therefore, on the one hand, the present invention can achieve material saving, and at the same time, can achieve further thinning targets.

According to the above, another feature of the present invention is that when the thickness or distance of each component after the stacking is shortened, the effect of improving the light sensing can be achieved by the design of the related structure. Although the optical element 70 is a light transmissive material, the material of the holding structure 60 used is opaque. In detail, when the infrared light signal is emitted from the emitters 521, 522, the second flange 620 and the third flange 630 protruding around it can firstly provide an isolation effect; Then, the fitting of the two first tabs 641 and 642 adjacent to the two first recesses 721 and 722 and the fitting of the two second tabs 651 and 652 and the second recesses 731 and 732 can further Further constituting the isolated structure; adding the first flange 610 around the sensor 51 so that the scattering or diffusing of the emitted light signal can be isolated without causing the sensor 51 Receive interference.

The present invention can also carry out related changes and implementations according to the concepts disclosed in the above preferred embodiments, and can achieve similar functions and implementation purposes under similar structural design. For example, the above preferred embodiment is implemented by two transmitters; however, under the purpose of also achieving the remote sensing or energy saving function of motion sensing, only one transmitter can be provided, that is, one. The transmitter is matched with a sensor, and only two corresponding openings are formed on the holding structure.

Alternatively, the above preferred embodiment is an example in which two tabs are assembled between the two openings to form an isolation structure between the two grooves; however, the optical signal can be isolated to reduce the sense. Measuring the interference Alternatively, it may be assembled into a groove by a tab only between the two openings for isolation design, or may be assembled into more grooves correspondingly by more tabs for isolation design.

Alternatively, the preferred embodiment described above is designed in the shape of a ring in the shape of a ring; however, it is also possible to achieve isolation of the optical signal to reduce interference on the sensing. The flanges and even the openings are designed in other shapes such as rectangular, square, and the like.

In summary, the remote sensing module applied to the remote control function or the energy-saving sensing function of the present invention can effectively reduce the thickness of the whole module or the applied flat display, and also It can effectively avoid or reduce the interference that the scattering or the diffusion of the infrared light signal can cause to the sensor, that is, the effect of the light sensing can be effectively improved. Therefore, the present invention can effectively solve the related problems raised in the prior art and can successfully achieve the main purpose of the development of the present case.

Any person skilled in the art can make use of the concepts and embodiment variations disclosed herein to form a basis for designing and improving other methods. These variations, substitutions and improvements are not to be construed as a departure from the scope of the invention as defined by the appended claims. It is to be understood that the present invention may be modified by those skilled in the art and may be modified as described in the appended claims.

100,500‧‧‧Remote sensing module

10, 50‧‧‧Sensing plates

101, 501‧‧‧ circuit board

11, 51‧‧‧ sensor

121, 122‧‧‧transmitters

20, 60‧‧‧ holding structure

201, 601‧‧‧ 容座

21, 22, 23‧‧‧ openings

31, 32, 70‧‧‧ Optical components

40, 80‧‧‧ front box

401, 801‧‧ ‧ assembly opening

521‧‧‧First launcher

522‧‧‧Second launcher

53‧‧‧First signal transmission interface

60a‧‧‧ first side

60b‧‧‧ second side

61‧‧‧First opening

610‧‧‧First flange

62‧‧‧Second opening

620‧‧‧second flange

63‧‧‧ third opening

630‧‧‧ third flange

641, 642‧‧‧ first tab

651, 652‧‧‧ second tab

661~664‧‧‧ socket

71‧‧‧ lens

721, 722‧‧‧ first groove

731, 732‧‧‧ second groove

741~744‧‧‧Bump

701‧‧‧ protruding parts

The first figure is a perspective view of the sensing plate 10 of the remote sensing module 100 of the prior art.

The second figure (a) is an exploded schematic view of the remote sensing module 100.

The second figure (b) is a top view of the remote sensing module 100 being assembled.

The second figure (c) is a side view of the remote sensing module 100 being assembled.

The third figure (a) is an exploded schematic view of the remote sensing module 500 of the present invention.

The third figure (b) is a schematic diagram of the holding structure 60 of the remote sensing module 500 on the second side 60b thereof.

The third figure (c) is a side view of the remote sensing module 500 being assembled.

The third figure (d) is a top view of the remote sensing module 500 being assembled.

500‧‧‧Remote Sensing Module

50‧‧‧Sensing plate

51‧‧‧ sensor

521‧‧‧First launcher

522‧‧‧Second launcher

60‧‧‧ Holding structure

61‧‧‧First opening

610‧‧‧First flange

62‧‧‧Second opening

620‧‧‧second flange

63‧‧‧ third opening

630‧‧‧ third flange

641, 642‧‧‧ first tab

651, 652‧‧‧ second tab

70‧‧‧Optical components

71‧‧‧ lens

721, 722‧‧‧ first groove

731, 732‧‧‧ second groove

741, 743, 744‧‧ ‧ stud

80‧‧‧ front box

Claims (14)

A remote sensing module includes: a holding structure having a first opening and a second opening, wherein a first side of the holding structure forms a receiving seat, and a second side thereof is Forming at least one first protrusion between the openings; a sensing plate assembled in the receiving seat, the sensing plate having a circuit board and a sensor disposed thereon and a first emission And the first emitter and the second emitter respectively corresponding to the first opening and the second opening; and an optical component assembled on the second side of the holding structure, the optical component Having a lens and at least one first groove, wherein the lens corresponds to the first opening, and the first groove corresponds to the first protrusion; wherein the holding structure has a first The flange and a second flange respectively correspond to and are formed around the first opening and the second opening of the second side. The remote sensing module of claim 1, wherein the module is applied to a flat display having a front frame, and the front frame has an assembly opening, and the optical component has a protruding The protruding portion and the assembly opening have a shape and a size corresponding to each other, and the protruding portion provides the holding structure for completing the nesting stack, the sensing plate and the optical element in a manner of being fitted into the assembly opening. The whole assembly is in the front frame. The remote sensing module of claim 2, wherein the circuit board has a first signal transmission interface, and the first signal transmission interface is electrically connected to a second signal transmission interface of the planar display. Used to each other Transmit the corresponding electrical signal. The remote sensing module of claim 2, wherein the holding structure of the nested stack, the sensing plate and the overall thickness of the optical component correspond to the thickness of the front frame. The remote sensing module of claim 1, wherein the first transmitter is configured to emit a corresponding optical signal, and the sensor is configured to sense an ambient light intensity and sensing station. The corresponding optical signal reflected. The remote sensing module of claim 5, wherein the optical signal is an infrared ray. The remote sensing module of claim 5, wherein the lens is configured to condense the reflected optical signal. The remote sensing module of claim 5, wherein the optical component is constructed of a transmissive material and is capable of filtering the optical signal. The remote sensing module of claim 1, wherein the flanges are annular or rectangular. The remote sensing module of claim 1, wherein the optical component has at least one stud, and the retaining structure has a corresponding socket formed on the second side for providing the Insertion of the stud to enhance assembly of the optical component to the retaining structure. The remote sensing module of claim 1, wherein the sensing plate is disposed in the receiving seat by an adhesive to enhance assembly of the holding structure. The remote sensing module of claim 1, wherein the sensing plate and the holding structure are tightened by a screw to strengthen the same. Assembly here. The remote sensing module of claim 1, wherein the holding structure has a third opening, the first opening is located between the second opening and the third opening, and the first opening is located between the second opening and the third opening The sensing plate has a second emitter disposed on the circuit board, the sensor is located between the emitters, and the second emitter corresponds to the third opening. The remote sensing module of claim 13, wherein the second side is formed with at least one second tab between the first opening and the third opening, and the optical component has At least one second recess, and the second recess corresponds to the second tab.