TW202008130A - Light-emitting pad body to collect and guide light to the two ends of the light guide unit through the light-collecting lens by a single light-emitting element - Google Patents

Abstract

The present invention relates to a light-emitting pad body comprising: a soft pad body; a light guide unit circularly disposed on the soft pad body, the light guide unit having two ends; a light-emitting module including a light-emitting element; and a light-collecting lens, comprising: a light-entry convex lens part and two light-exit convex lens parts; the light-emitting element is provided at an end side of the light-entry convex lens part; both end sides of the light guide unit are disposed on the side of the light-transmissive convex lens. The light source generated by the light-emitting element is collected by the light-entry convex lens part, collected and guided by the light-exit convex lens, and projected onto the light guide unit, so that the light-emitting pad body can collect and guide light to the two ends of the light guide unit through the light-collecting lens by a single light-emitting element. Thus, the installation cost and power consumption of the light-emitting element can be reduced.

Description

Luminous cushion

The invention relates to a pad body, in particular to a light-emitting pad body with a light-collecting lens, which can generate a single light-emitting element to guide light in two different directions.

The current light-emitting pads (such as mouse pads), in order to simultaneously have the function of a flexible pad that can be folded and carried, and can emit light, such as the invention patent No. 106139563 applied by the applicant, which is a soft pad The peripheral ring of the body is provided with a foldable light guide unit, and a light control unit is controlled by a controller to give the light guide unit a light source at both ends, so that the light guide unit can produce a light-emitting effect and can be easily folded and carried .

In order to make the brightness generated by the light guide unit sufficient, the controller of the prior art is to install two light emitting units at both ends of the light guide unit. In this way, although the brightness is sufficient, two For the structure of the light-emitting unit, the controller needs two driving modules to drive the two light-emitting units to emit light. The manufacturing cost of the controller and the subsequent power supply of the light-emitting unit are both a cost and energy consumption.

Therefore, if a single light-emitting element can be used to provide light sources to both ends of the light guide unit, the cost of manufacturing and use can be relatively reduced.

The main object of the present invention is to provide a light-emitting pad body, which can concentrate and transmit light from a single light-emitting element to two different directions through a light-collecting lens, so that a single light-emitting element can generate light sources in two different directions.

Another object of the present invention is that a single light-emitting element can project a light source to both ends of the light guide unit, so that both ends of the light guide unit can have light sources introduced.

Another object of the present invention is to provide a light-emitting pad body having a single light-emitting element, to reduce the manufacturing cost of the drive device of the light-emitting element, and to save the power consumption of the light-emitting element.

In order to achieve the above object, the present invention provides a light-emitting pad body, comprising: a flexible pad body; a casing provided on the side of the soft pad body, which has an accommodating space inside; a light guide unit having At both ends, a tie ring is arranged on the flexible cushion body, and both ends are accommodated in the accommodating space; a light-emitting module is arranged in the accommodating space of the casing, and has a light-emitting element; and a light-collecting element A lens is provided in the accommodating space of the housing, the light-collecting lens is formed with a light-incident convex lens portion and two light-emitting convex lens portions, and the light-emitting element of the light-emitting module corresponds to the light incident convex lens portion; The two ends of the light guide unit respectively correspond to the two light-emitting convex lens parts, and the light of the light-emitting element enters the light-collecting lens from the light-entry convex lens part, and then exits from the two light-emitting convex lens parts and enters the light guide unit.

Preferably, the light incident convex lens portion of the light collecting lens is provided on the top surface, and two light emitting convex lens portions are formed on both sides of the light collecting lens respectively.

According to this, when the light-emitting pad is used, through the setting of the light-collecting lens, and only through the use of a single light-emitting element, a light source can be introduced to both ends of the light guide unit, which can reduce the light-emitting module The use of the driving device required in manufacturing can reduce the manufacturing cost. Because only a single light-emitting element is used in use, the use of electricity and the temperature generated during use can be reduced.

Please refer to the first to fourth figures, the light-emitting pad body 10 of the present invention mainly includes: a flexible pad body 20, a light guide unit 30, a light-emitting module 40, a light-collecting lens 51 and a housing 60 The light guide unit 30 is formed in a strip shape with two ends. The light guide unit 30 is looped around the periphery of the flexible cushion body 20 and can be folded and rolled with the flexible cushion body 20. The flexible cushion body 20 and the guide The combination of the light units 30 and the placement of the light guide unit 30 are not the focus of the present invention, so they will not be described here. The two ends of the light-emitting and light-guiding unit 30, the light-emitting module 40 and the light-collecting lens 51 are installed in a receiving space 63 of the housing 60; the light-emitting module 40 includes a light-emitting element 41; The two ends of the light guide unit 30 are disposed on the side of the light collection lens 51, the light generated by the light emitting element 41 will be transmitted to the two ends of the light guide unit 30 through the light collection lens 51, so that the light guide unit 30 only A single light source through a single light-emitting element 41 can form the effect of introducing light sources in two different directions.

Please refer to the first and second figures, the light-emitting pad body 10 of the present invention includes the flexible pad body 20, the light-guiding element 30, the light-emitting module 40, a light-collecting lens module 50 and the housing 60 Constituted by

The soft cushion body 20 is a foldable and retractable material, which can be used as a related cushion body such as a mouse pad, a coaster or a table mat. The flexible cushion body 20 is provided with a strip-shaped light guide around the circumference The light guide unit 30 is an optical fiber in this embodiment, which can transmit light. When light is introduced into the light guide unit 30, the entire periphery of the flexible cushion body 20 can produce a luminous effect. The light guide unit The light guide unit 30 has two ends 32. The light guide unit 30 has two ends 32.

Please refer to the third and fourth figures. The light-emitting module 40 is composed of the light-emitting element 41 and a circuit board 42. The light-emitting element 41 is disposed on the circuit board 42. The light-emitting element 41 in this embodiment is The top surface of an LED is formed as a flat surface. The circuit board 42 is provided with two first positioning members 421 on the upper and lower sides of the light emitting element 41, which are round holes.

Please refer to the fourth to sixth figures. The light collecting lens unit 50 is composed of the light collecting lens 51 and a frame 54. The light collecting lens 51 is formed with a light incident convex lens portion 511 and the light emitting element 41 on the top surface. Correspondingly, the light generated by the light-emitting element 41 can enter the light-convex convex lens portion 511 for concentration; because the top surface of the light-emitting element 41 is formed into a flat surface, the light of the light-emitting element 41 can enter the light-convex convex lens portion 511 in a straight line . A light emitting convex lens portion 512 is formed on each side of the light collecting lens 51, corresponding to the light entering convex lens portion 511; the light collecting lens 51 is provided with a tapered groove 53 on the bottom surface of the light entering convex lens portion 511 to make the lens The two sides of 51 respectively form a symmetrical left half 513 and right half 514. As shown in the seventh figure, the configuration of the two halves 513 and 514 has the function of guiding the light in the lens, which will help to enter the lens The light of 51 is directed toward the two light emitting convex lens portions 512 toward the two sides of the lens, that is, the light introduced by the light convex lens portion 51 is guided by the two halves toward the light emitting convex lens portions 512 on both sides , So that the light entering the lens will not be scattered randomly. The frame 54 is disposed around the light collecting lens 51, and it can be integrally formed with the lens 51. The frame 54 and the lens 51 can also be separate components. The light collecting lens 51 is assembled in the frame 54. The frame 54 is provided with a positioning protrusion 541 and two second positioning members 542, the second positioning members 542 are disposed on the upper and lower sides of the light-entry convex lens portion 511 close to the condensing lens 51, the second positioning The component 542 is formed as a cylinder relative to the first positioning components 421 of the circuit board 42; the first positioning component 421 and the second positioning component 542 can have a mutual positioning effect, so the components used can be matched with each other, such as The first positioning member 421 forms a cylinder and the second positioning member 542 forms a circular hole, or both have a circular hole and a cylinder, and the cylinder can be positioned in the corresponding circular hole; through the first positioning member 421 and the second The combination of the positioning member 542 makes the relative position of the light emitting element 41 and the light incident convex lens portion 511 fixed.

Referring to the second to fourth figures, the housing 60 is formed by combining an upper housing 61 and a lower housing 62, and an accommodating space 63 is formed in the housing 60. The two ends 32 of the light emitting module 40, the condensing lens unit 50 and the light guide unit 30 are disposed in the accommodating space 63, and the housing 60 can be installed with components such as key switches, power supply wires, controllers, etc. To control and drive the light emitting module 40. The lower casing 62 is provided with a positioning slot 64. The two sides of the positioning slot 64 extend laterally to a receiving slot 65, and two limiting ribs 651 are arranged in the receiving slot 65 at intervals; the light collecting lens unit 50. The positioning protrusions 541 of the frame 54 are accommodated in the positioning groove 64. The positioning protrusions 541 are screwed to the lower housing 62 with a screwing element; the two ends 32 of the light guide unit 30 are also relatively locked The limiting ribs 651 are disposed in the receiving groove 65 and have a blocking effect on the light guide unit 30. In this way, the light-emitting module 40, the light-collecting lens unit 50 and the light-guiding unit 30 are fixed inside the accommodating space 63 of the housing 60, and the position of the light-emitting element 41 corresponds to the light-collecting lens 51 The light incident convex lens portion 511, and the two ends 32 of the light guide unit 30 correspond to the positions of the two light exit convex lens portions 512 of the light collection lens 51.

When the light-emitting pad body 10 of the present invention is used, the single light source passing through the single light-emitting element 41 of the light-emitting module 40 collects and guides light through the light-collecting lens 51 to make the two ends 32 of the light-guiding unit 30 All light is introduced, so that the light-emitting pad body 10 can generate light projection in two different directions with a single light-emitting element 41.

Please refer to the seventh figure. The light-entry convex lens portion 511 of the condensing lens 51 has the function of concentrating the light of the light-emitting element 41, and the two light-elevating convex lens portions 512 concentrate the light of the lens 51 into the light guide unit 30端32。 End 32. At the same time, the two halves 513 and 514 of the lens 51 have the effect of guiding the flow of light, so that the light entering the lens 51 from the convex lens portion 511 can flow naturally to the two along the two halves 513 and 514 The light-emitting convex lens portion 512 reduces the loss of light.

The invention can reduce the number of driving modules, controllers and other components needed to drive the light-emitting element 41 during manufacturing, which can reduce the manufacturing cost, and can also reduce the energy consumption of the light-emitting element 41 during use and avoid the light-emitting element 41 Too much power is used to overheat internal components. When not in use, the light-emitting pad body 10 can be rolled up and the storage volume can be reduced. At the same time, the positioning structure between the first positioning member 421 of the circuit board 42 of the light emitting module 40 and the second positioning member 542 of the frame 54 of the light collecting lens unit 50 makes the light emitting module 40 and the light collecting lens unit 50 reliable The assembly of the housing 60 and the positioning groove 64 of the housing 60 and the positioning protrusion 541 of the frame 54 are positioned so that the position of the light-collecting lens unit 50 is fixed in the housing 60, and both ends 32 of the light guide unit 30 are stuck It is limited to the receiving grooves 65, so that the light collecting lens 51 can surely project the light to the two ends 32 of the light guide unit 30.

The two different convex lens structures of the light-entry convex lens portion 511 and the light-emitting convex lens portion 512 of the condensing lens 51 are used to concentrate the light beams imported and exported to reduce light loss, and a single light-emitting element 41 can produce the effect of two light-emitting elements and Brightness and light effect in two different directions.

Since the light-emitting module 40 has only a single light-emitting element 41, only one driving module and related circuits are required to drive the light-emitting element 41 to reduce the manufacturing cost of the light-emitting module.

The above are only preferred embodiments for explaining the present invention, and are not intended to limit the present invention in any form, so that any modifications made to the present invention under the same spirit of the invention Or the changes, which can be implemented according to other types and have the same effect, should still be included in the scope of protection of the present invention.

In summary, the light-emitting pad provided by the present invention is indeed practical and fully meets the needs of industrial development. The disclosed invention is also unprecedented and novel. The present invention is more effective than the conventional invention, and it is also progressive. It should be considered that it fully meets the requirements of the patent law application in my country, and the patent application is filed in accordance with the law.

10‧‧‧Lighting pad 20‧‧‧Soft pad 30‧‧‧Light guide unit 32‧‧‧End 40‧‧‧Lighting module 41‧‧‧Lighting element 411‧‧‧First positioning piece 50‧‧ ‧Condensing lens unit 51‧‧‧Condensing lens 511‧‧‧Convex convex lens section 512‧‧‧‧Convex convex lens section 53‧‧‧Notch 513‧‧‧Left half 514‧‧‧Right half 54‧‧ ‧Frame 541‧‧‧Positioning projection 542‧‧‧‧Second positioning member 60‧‧‧Housing 61‧‧‧‧Upper housing 62‧‧‧Lower housing 63‧‧‧Accommodation space 64‧‧‧Locating groove 65‧‧‧Retaining slot 651‧‧‧Limit rib

In order to enable your review committee to further understand the purpose, features and effects of the present invention, the following is a preferred embodiment, which will be described in detail in conjunction with the drawings, in which: The first figure is a preferred embodiment of the present invention An example of the three-dimensional appearance of the light-emitting pad body. The second figure is an exploded perspective view of the housing and the light emitting module of the present invention. The third figure is a combination diagram of the light guide unit and the light collecting lens unit of the present invention. The fourth figure is a cross-sectional view taken along line 4-4 of the first figure, showing the light emitting module and the light collecting lens of the present invention. The fifth figure is a front perspective view of one of the light collecting lens units of the present invention. The sixth figure is a rear perspective view of one of the light collecting lens units of the present invention. The seventh image is a partially enlarged view of the fourth image and shows the direction of light travel.

10‧‧‧Luminous cushion

20‧‧‧soft cushion

30‧‧‧Light guide unit

32‧‧‧End

40‧‧‧Light Module

41‧‧‧Lighting element

42‧‧‧ circuit board

50‧‧‧Concentrating lens unit

51‧‧‧ Collecting lens

511‧‧‧Incoming convex lens

512‧‧‧Convex lens section

53‧‧‧groove

60‧‧‧Housing

61‧‧‧Upper case

62‧‧‧Lower case

63‧‧‧accommodation space

Claims (9)

A light-emitting pad body includes: a flexible pad body; a casing provided on the side of the flexible pad body; a receiving space is provided in the casing; a light guide unit having two ends, the light guide body The unit ring is arranged on the flexible cushion body, the two ends of the light guide unit are arranged in the accommodating space of the casing; a light emitting module has a light emitting element, and the light emitting module is arranged on the casing Within the accommodating space; a light collecting lens is formed with a light incident convex lens portion and two light emitting convex lens portions, the light collecting lens is provided in the housing space of the housing; the light emitting element corresponds to the light incident convex lens The two ends of the light guide unit respectively correspond to the two light-emitting convex lens parts; the light of the light-emitting element enters the light-collecting lens from the light-entry convex lens part, and then the two light-emitting convex lens parts are led out and enter the light guide unit Inside. The light-emitting pad according to claim 1, wherein the light incident convex lens portion is formed on the top of the light collecting lens, and the light emitting convex lens portions are respectively formed on both sides of the light collecting lens. The light-emitting pad according to claim 1 or 2, wherein the light-collecting lens further comprises: a cone-shaped groove provided on the bottom surface of the light-collecting lens, and forming the light-collecting lens into a left half and a Right half. The light-emitting pad according to claim 1 or 2, further comprising: a frame; the light-collecting lens is arranged in the frame; the frame is arranged in the accommodating space of the casing. The light-emitting pad according to claim 1 or 2, wherein: the light-emitting module further has a circuit board; and the light-emitting element is disposed on the circuit board. The light-emitting pad body according to claim 4, wherein a positioning groove is provided in the casing; a positioning protrusion is provided on the frame, and the positioning protrusion is accommodated in the positioning groove. The light-emitting pad body according to claim 6, wherein two sides of the positioning groove are extended with accommodating grooves; the two ends of the light guide unit are snapped into the accommodating grooves. The light-emitting cushion body according to claim 7, wherein at least one limiting rib is protruded in the receiving groove. The light-emitting pad according to claim 6, wherein: the light-emitting module further has a circuit board; the light-emitting element is disposed on the circuit board, and the circuit board is provided with at least a first positioning member around the light-emitting element, the The frame is provided with at least one second positioning member on the side of the light incident convex lens portion; the first positioning members and the second positioning member make the position of the light emitting element correspond to the light incident convex lens portion.

Images