TW202217185A - Recessed lamp and light-emitting panel module capable of optimizing the configuration for light output uniformity and structure thickness - Google Patents

Abstract

A light-emitting panel module includes a cover, a light-emitting circuit unit, and a light output panel. The cover body has a panel embedding port with an opening disposed on the front side, and an accommodating slot with an opening disposed on the rear side and connected to the panel embedding port. The light-emitting circuit unit is installed at the accommodating slot, and includes at least one light-emitting element. The light-emitting element is adjacent to the panel embedding port. The light output panel is installed on the cover body, and includes a panel body part disposed on the front side of the cover body, and an embedding light input part which penetrates into the panel embedding port. At least one light scattering structure is formed on the rear side of the embedding light input part corresponding to the light-emitting element. The light scattering structure is non-flat, with which the light emitted by the light-emitting element may be allowed to scatter into the light output panel and then penetrate out from the front side of the panel main body.

Description

Recessed light device and light-emitting panel module

The present invention relates to a recessed light device and a light-emitting panel module, in particular to a recessed light device and a light-emitting panel module that optimize light emission uniformity and structural thickness.

Recessed light is a kind of lamps that are suitable for embedded in walls, ceilings and other wall surfaces. It can not only provide lighting functions, but also serve as an important part of interior decoration configuration. A general downlight includes components such as a light frame, a power module, and a light-emitting module, wherein the light-emitting module includes components such as circuit boards, light-emitting elements, and panels. Since the commonly used light-emitting elements are light-emitting diodes, light-emitting diodes are point light sources, and dark areas are likely to be generated when the optical configuration is not good. Therefore, how to ensure the uniformity of light emission and also consider the thinning of the overall structure is an important issue.

Therefore, one of the objectives of the present invention is to provide a light-emitting panel module that can solve the aforementioned problems.

Therefore, the light-emitting panel module of the present invention includes a cover, a light-emitting circuit unit and a light-emitting panel. The cover body has a panel insertion port with an opening located on the front side, and an accommodating groove with an opening located at the rear side and communicated with the panel embedded port. The light-emitting circuit unit is installed at the accommodating groove, and includes at least one light-emitting element, and the light-emitting element is adjacent to the panel embedded interface. The light emitting panel is installed on the cover body, and includes a panel main body part located on the front side of the cover body, and an embedded light receiving part disposed on the side of the panel main body part and penetrated into the panel insertion interface. At least one light-scattering structure is formed on the rear side of the embedded light-emitting portion corresponding to the light-emitting element. The light-scattering structure is non-flat and enables the light emitted by the light-emitting element to scatter into the light-emitting panel, and from the panel main body portion exposed on the front side.

In some implementation aspects, in some implementation aspects, the thickness of the panel main body portion is tapered from the position corresponding to the embedded light access portion to the direction away from the embedded light access portion, and the inner plate of the panel main body portion is The face extends obliquely with respect to the outer panel face.

In some embodiments, the light scattering structure has a plurality of longitudinally spaced extending grooves.

In some embodiments, the cover body includes a base wall, two side walls extending forward and upward from opposite sides of the base wall, a top wall connecting the top sides of the side walls, and a top wall connecting the side walls. The top end of the front side of the side wall is connected to the front wall of the top wall, the front wall and the front side of the base wall are spaced apart from each other and define the panel insertion interface, the base wall, the side walls and the rear side of the front wall together define the accommodating slot .

In some embodiments, the front side of the front wall is flush with the front side of the panel body portion.

In some embodiments, the light-emitting circuit unit further includes a circuit board on which the light-emitting element is mounted, the circuit board is mounted in the accommodating groove and is disposed parallel to the base wall and the front wall; The light emitting diode is disposed on the front side of the circuit board and faces the embedded light receiving portion and the front wall.

Another object of the present invention is to provide a recessed lamp device. Therefore, the recessed lamp device of the present invention includes a frame body, a control module and the aforementioned light-emitting panel module. The frame body is suitable for being installed on the wall and has a frame slot. The control die assembly is arranged at a corresponding slot of the frame on the rear side of the frame body. The light-emitting panel module is arranged on the front side of the frame body and closes the frame slot, and the light-emitting panel module is electrically connected to the control module.

The present invention has at least the following effects: through the structural configuration of the light emitting panel and placing the light emitting elements on the back side of the embedded light receiving portion, the uniformity effect of light output can be achieved and the number of light emitting panel modules can be reduced. the overall thickness. In addition, in this embodiment, the front side of the front wall and the front side of the panel main body are also arranged to be flush with each other, so the visual appearance can be improved.

Referring to FIG. 1 to FIG. 3 , it is an embodiment of the recessed lamp device 100 of the present invention. The recessed light device 100 is suitable for being embedded in a wall such as a wall, and includes a frame body 200 , a control module 300 and a light-emitting panel module 400 . Hereinafter, in order to explain the embodiment of the recessed lamp device 100 more clearly, the compositional relationship of each component will be described with orientational descriptions such as "front", "rear", "top", and "bottom". For example, in Figure 1, "front" represents the direction of the figure facing the lower left side, "rear" represents the direction of the figure facing the upper right side, "top" represents the direction that the figure is facing up, and "bottom" represents the direction that the figure is facing down. The directions and orientation descriptions of other drawings correspond to each other.

The frame body 200 is made of, for example, a metal material, which is suitable for being installed on a wall surface, and has a frame slot 201 that is located in the center and is substantially square. The control module 300 is installed at the rear side of the frame body 200 corresponding to the slot 201 of the frame, and has a casing 1 , a female terminal 2 , a switch 3 , and is disposed in the casing 1 and shown in the figure Unshown power control circuit unit. The casing 1 is, for example, embedded in a wall when in use, so the casing 1 cannot be observed in appearance. In this embodiment, the casing 1 has a slot 11 exposed at the slot 201 of the frame, the slot 11 can allow the terminals of the light emitting panel module 400 to penetrate, and has a terminal slot 111, a connection The first insertion slot 112 communicates with the top side of the terminal slot 111 , and the second insertion slot 113 communicates with the bottom side of the terminal slot 111 . The cross-sectional shape of the terminal groove portion 111 is generally square, the cross-sectional shape of the first insertion groove portion 112 is generally a horizontal strip shape and the width is larger than that of the terminal groove portion 111 , and the cross-sectional shape of the second insertion groove portion 113 The shape is generally an inverted U shape and the width is also larger than the terminal groove portion 111 . The female terminal 2 is located in the slot 11 , more specifically, at the terminal slot portion 111 , and can be used for the terminals of the light-emitting panel module 400 to be inserted. The switch 3 is located at the corresponding frame slot 201 of the casing 1 , which is located at the bottom side of the slot 11 , and can be used for the operation modes of the light-emitting panel module 400 such as on, off, and brightness. Toggle control. The power control circuit unit (not shown) of the control module 300 may include an AC/DC conversion circuit, a pulse width modulation circuit (PWM) and other circuit structures, and the female terminal 2 may be used as a power output terminal to Supply the operation requirements of the light emitting panel module 400 .

Referring to FIGS. 2 , 5 and 6 , the light-emitting panel module 400 is the light-emitting lighting component of the recessed light device 100 , and specifically includes a cover 4 , a light-emitting circuit unit 5 , a light-emitting panel 6 , and an insulating shutter 7 . and a reflective layer 8 .

Referring to FIGS. 2 to 4 , 7 and 8 , the cover body 4 is the main bearing structure of the light-emitting panel module 400 , and is detachably installed on the front side of the frame body 200 and closes the frame slot 201 . and includes a base wall 41 , two side walls 42 extending forward and upward respectively from opposite sides of the base wall 41 , a top wall 43 connecting the top sides of the side walls 42 , and a top end connecting the front sides of the side walls 42 And connect the front wall of the top wall 43 . The front wall 44 and the front side of the base wall 41 are spaced apart from each other, and the gap between the two defines a panel insertion port 45 for the light emitting panel 6 to be inserted there. The base wall 41 , the side walls 42 and the rear side of the front wall 44 together define an accommodating groove 46 for accommodating the light-emitting circuit unit 5 and the insulating shutter 7 therein. The opening of the panel insertion port 45 is located at the front side of the cover body 4 , and the opening of the accommodating slot 46 is located at the rear side of the cover body 4 and communicates with the panel insertion port 45 . The rear side of the base wall 41 protrudes to form a latching structure 412 . The latching structure 412 is, for example, a pair of latching hooks for detachably latching the latching structure 412 on the front side of the housing 1 . The cover body 4 has a first protection structure 441 and a second protection structure 411 that protrude toward the rear side and are spaced up and down. The first protection structure 441 and the second protection structure 411 are removably inserted in the slot 11.

Specifically, in this embodiment, the first protection structure 441 is formed by protruding from the front wall 44 toward the rear side, and can penetrate into the first insertion slot 112 and has a cross-sectional shape similar to that of the slot 11 . A part (ie, the first insertion groove portion 112 ) corresponds to a first insertion plate 442 in the shape of a horizontal plate and two are connected to the bottom side of the first insertion plate 442 without penetrating The first reinforcing rib 443 of the first insertion groove portion 112 is connected. The overall structural strength of the first protection structure 441 can be strengthened by the arrangement of the first reinforcing ribs 443 . In structural insertion, only the first insertion plate 442 of the first protection structure 441 will penetrate the first insertion slot 112 , so the shape of the first insertion slot 112 is only the same as that of the first insertion slot 112 . The connecting plates 442 correspond to each other (both in the shape of horizontal strips). On the other hand, the second protection structure 411 is formed by protruding from the base wall 41 toward the rear side and is located at the bottom side of the first protection structure 441 , and can penetrate into the second insertion groove portion 113 and has a cross-sectional shape similar to that of the first protection structure 441 . A part of the slot 11 (ie, the second insertion slot portion 113 ) corresponds to it. The second protection structure 411 has a horizontal second plug-in board 413 and two second reinforcing ribs 414 connected to the bottom side of the second plug-in board 413 at intervals. The reinforcing rib 414 is located on the bottom side of the second plug board 413 . According to the above embodiment, since the cross-sectional shapes of the first protection structure 441 and the second protection structure 411 inserted into the slot 11 are different from each other, the user can prevent the user from inserting the first protection structure 441 in an incorrect manner. And the second protection structure 411 is inserted into the slot 11 to ensure that the light emitting panel module 400 can operate correctly.

Referring to FIGS. 3 to 5 and FIGS. 9 to 10 , the light-emitting circuit unit 5 is installed in the accommodating groove 46 and parallel to the base wall 41 and the front wall 44 , and specifically includes a The circuit board 51 at the protection structure 441 and the second protection structure 411 , a plurality of light emitting elements 52 disposed on the front side of the circuit board 51 and facing the front wall 44 , and a circuit board 51 passing through the circuit board 51 and facing the rear side at the same time The front side protrudes and can be inserted into the male terminal 53 of the female terminal 2 . The circuit board 51 has a first through hole 511 through which the first protection structure 441 penetrates, and a second through hole 512 through which the second protection structure 411 penetrates and is spaced up and down from the first through hole 511 . In this embodiment, the shape of the first through hole 511 is similar to the shape of the first plug board 442 but extends laterally on the circuit board 51 , and the shape of the second through hole 512 is the same as the shape of the second plug board 413 . The shape is rather but extends laterally on this circuit board 51 . Since the circuit board 51 in this embodiment is a rectangle extending laterally as a whole, the first through holes 511 and the second through holes 512 are implemented in a laterally extending form, compared to other methods (such as longitudinally extending or obliquely extending) It is more convenient to carry out the horizontal circuit layout of the circuit board 51 , and in addition, the circuit board 51 can still have sufficient structural strength after opening. The light-emitting elements 52 are white light-emitting diodes in this embodiment, and the number is four, which are distributed on the front side of the circuit board 51 at equal intervals. The male terminal 53 has four plug pins on the rear side. The plug pins are located between the first protection structure 441 and the second protection structure 411 , so they can be protected by the first protection structure 441 and the second protection structure 411 is properly protected to avoid damage during the plug-in process, and can be plugged into the female terminal 2 after penetrating the terminal groove 111 to form an electrical connection, so that the light-emitting circuit unit 5 can receive the control Power provided by module 300 .

Referring to FIGS. 2 , 4 , 11 to 13 , the light-emitting panel 6 is disposed on the front side of the cover 4 , and can guide the light of the light-emitting elements 52 to emerge from the front side of the light-emitting panel 6 . The light emitting panel 6 includes a panel body portion 61 located on the front side of the cover 4 , and an embedded light access portion 62 disposed on the side of the panel body portion 61 and inserted into the panel insertion port 45 . The main body portion 61 of the panel is generally in the shape of a flat rectangular parallelepiped, and can be made of a light-transmitting material. The embedded light receiving portion 62 is disposed on the top side of the panel body portion 61 , and at least one light scattering structure 621 is formed on the rear side corresponding to the corresponding light emitting elements 52 . In this embodiment, four light scattering structures 621 are exemplified. The light scattering structures 621 are non-flat and allow the light emitted by the light emitting element 52 to enter the light emitting panel 6 after being scattered, and then refracted and irradiated to the panel main body 61 , and finally from the front side of the panel main body 61 . reveal. In this embodiment, each light scattering structure 621 has a plurality of longitudinally extending grooves. When the light emitted by each light emitting element 52 enters the light scattering structures 621, a scattering phenomenon will occur, so that the light can enter the light emitting panel more uniformly. 6 in. In addition, in this embodiment, the thickness of the panel main body portion 61 tapers from the corresponding embedded light receiving portion 62 to the direction away from the embedded light receiving portion 62 (that is to say, the panel main body portion 61 increases as shown in FIG. 4 ). The thickness is thinner near the bottom side), and the inner panel surface of the panel main body portion 61 extends obliquely with respect to the outer panel surface. Accordingly, the light incident on the panel main body portion 61 will be reflected at the inner panel surface and then irradiated toward the outer panel surface, and the overall luminous uniformity at the outer panel surface can be improved due to the inclined extending structure. sex. On the other hand, in this embodiment, the light emitted by the light emitting elements 52 is incident from the rear side of the light emitting panel 6 , compared to the embodiment in which the light emitting circuit unit 5 is disposed on the top side of the light emitting panel 6 . The overall structural thickness of the light-emitting circuit unit 5 can be effectively reduced, and the uniformity of light-emitting can also be improved.

Referring to FIGS. 3 to 5 , the insulating shield 7 is installed on the rear side of the circuit board 51 to provide electrical insulation between the circuit board 51 and the control module 300 , so as to protect the circuit board 51 And the light-emitting elements 52 can operate normally. The reflective layer 8 is disposed on the front wall surface of the base wall 41 between the base wall 41 and the light-emitting panel 6 , and can provide light reflection effect to effectively utilize the light emitted by the light-emitting elements 52 .

Referring to FIG. 1 and FIG. 2 , in use, the frame body 200 and the control module 300 are embedded and fixed on a wall, for example, and the light-emitting panel module 400 is a detachable modular configuration. The user can first set the operation mode through the switch 3 of the control module 300, and then install the light-emitting panel module 400 on the frame body 200 and the control module 300, so that the light-emitting panel module The group 400 starts operation and is extremely convenient to use. When the operation mode needs to be switched, the light-emitting panel module 400 can be removed and set again.

In summary, the recessed lamp device 100 of the present invention can provide a good structural protection to the male terminal 53 by properly disposing the first protection structure 441 and the second protection structure 411 , and can avoid the situation of wrong insertion , the optimal implementation configuration of the circuit board 51 can be realized according to the shape of the circuit board 51 . With the structural configuration of the light emitting panel 6 and the light emitting elements 52 placed on the back side of the embedded light receiving portion 62, the uniformity effect of light output can be achieved, and the overall thickness of the light emitting panel module 400 can be reduced. . In addition, in this embodiment, the front side of the front wall 44 and the front side of the panel main body portion 61 are also arranged to be flush with each other, so that the visual appearance can be improved. Therefore, the recessed light device 100 of the present invention can indeed achieve the purpose of the present invention.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

100: Recessed Lighting Device 200: Frame 201: Frame Notch 300: Control Module 1: Shell 11: Slot 111: Terminal groove part 112: The first insertion groove 113: The second insertion groove 2: Female terminal 3: toggle switch 400: Light-emitting panel module 4: Cover 41: base wall 411: Second Protection Structure 412: Clip structure 413: Second plug-in board 414: Second reinforcing rib 42: Sidewall 43: Top Wall 44: Front Wall 441: First Protection Structure 442: The first plug-in board 443: First stiffener 45: Panel embedded interface 46: accommodating slot 5: Lighting circuit unit 51: circuit board 511: First Perforation 512: Second perforation 52: Light-emitting element 53: male terminal 6: light-emitting panel 61: Panel main body 62: Embedded into the optical part 621: Light Scattering Structure 7: Insulation shutter 8: Reflective layer

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a perspective view illustrating an embodiment of the recessed lamp device of the present invention; Figure 2 is an exploded perspective view of this embodiment; 3 is an exploded perspective view corresponding to FIG. 2 but with different viewing angles; 4 is a cross-sectional view taken along the line IV-IV of FIG. 2, illustrating an implementation of a light-emitting panel module of the recessed light device; 5 and 6 are exploded perspective views of the light-emitting panel module; 7 and 8 are perspective views of a cover of the light-emitting panel module; 9 and 10 are perspective views of a light-emitting circuit unit of the light-emitting panel module; 11 and 12 are perspective views of a light-emitting panel of the light-emitting panel module; and FIG. 13 is a partial enlarged view of FIG. 12 .

100: Recessed Lighting Device

200: Frame

300: Control Module

1: Shell

400: Light-emitting panel module

4: Cover

6: light-emitting panel

Claims (7)

A light-emitting panel module, comprising: a cover body, which has a panel insertion port whose opening is located on the front side, and an accommodating groove whose opening is located at the rear side and communicates with the panel embedding port; a light-emitting circuit unit installed at the accommodating groove and comprising at least one light-emitting element, the light-emitting element being adjacent to the panel embedded interface; and A light emitting panel is installed on the cover body, and includes a panel main body part located on the front side of the cover body, and an embedded light receiving part disposed on the side edge of the panel main body part and penetrated into the panel insertion interface, the At least one light-scattering structure is formed on the rear side of the embedded light-emitting element corresponding to the light-emitting element. The light-scattering structure is non-flat and can allow the light emitted by the light-emitting element to scatter into the light-emitting panel, and from the main body of the panel. The front side is exposed. The light-emitting panel module according to claim 1, wherein the thickness of the panel main body portion is tapered from the position corresponding to the embedded light receiving portion to the direction away from the embedded light receiving portion, and the inner panel of the panel main body portion is The face extends obliquely with respect to the outer panel face. The light emitting panel module according to claim 1, wherein the light scattering structure has a plurality of grooves extending at intervals in the longitudinal direction. The light-emitting panel module according to claim 1, wherein the cover body comprises a base wall, two side walls extending forward and upward respectively from opposite sides of the base wall, and a top connecting the top sides of the side walls. wall, and a front wall connecting the top ends of the front sides of the side walls and connecting the top wall, the front wall and the front side of the base wall are spaced from each other and define the panel insert interface, the back of the base wall, the side walls and the front wall The sides together define the receiving groove. The light-emitting panel module according to claim 4, wherein the front side of the front wall is flush with the front side of the panel main body. The light-emitting panel module of claim 4, wherein the light-emitting circuit unit further comprises a circuit board on which the light-emitting element is mounted, the circuit board is mounted in the accommodating groove, and is connected to the base wall The light emitting diode is arranged in parallel with the front wall; the light emitting diode is arranged on the front side of the circuit board and faces the embedded light receiving part and the front wall. A recessed light device, comprising: a frame body, which is suitable for being installed on the wall and has a frame slot; a control module installed at the rear side of the frame body at the slot corresponding to the frame; and The light-emitting panel module according to any one of claims 1 to 6, wherein the light-emitting panel module is assembled on the front side of the frame body and closes the frame slot, and the light-emitting panel module is electrically connected to the control module Group.

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