CN222026799U - Side light-emitting device and lamp - Google Patents

Abstract

The utility model provides a side light-emitting device and a lamp, wherein the side light-emitting device comprises: a frame extending in a vertical direction; the light source module is arranged on the inner side of the frame and comprises a plurality of light-emitting elements which are divided into a plurality of light source areas; the light emitting piece is positioned on one side of the light source module, which is opposite to the frame, light rays emitted by part of the light source areas form a bright area with a light/shadow transition area on the light emitting piece, the light emitting piece further comprises a non-bright area, the bright area is circumferentially connected with the non-bright area, and the light/shadow transition area is formed between the bright area and the non-bright area. The side light-emitting device can simulate the effect that sunlight in different time periods irradiates on the window edge through the skylight, and has better visual experience.

Description

Side light-emitting device and lamp

Technical Field

The present disclosure relates to lighting devices, and particularly to a side-emitting device and a lamp.

Background

Along with the improvement of living standard, people are also higher to the demand of illumination in different scenes, wherein, can simulate the blue sky light of outdoor natural environment and get the favor in market gradually, wide application in house, office building, market, stadium, station, indoor illumination such as airport, traditional blue sky light generally comprises light source and the pattern board that draws blue sky and white cloud to light the pattern board through the light source, form outdoor blue sky light environment, but this kind of scheme can't truly show the sunshine and penetrate the effect when indoor through the skylight, the layering is poor, lack the third dimension, and simulation fidelity is not good.

In view of the foregoing, it is necessary to provide a side light emitting device and a lamp that can simulate the effect of sunlight illuminating one side edge of a skylight, thereby improving the illumination experience.

Disclosure of utility model

The utility model aims to provide a side light-emitting device capable of simulating the effect of shining sun light on one side edge of a skylight.

In order to achieve the above object, the present utility model provides a side light emitting device, which is applied to a lamp, comprising:

a frame extending in a vertical direction;

The light source module is arranged on the inner side of the frame and comprises a plurality of light-emitting elements, and the light-emitting elements are divided into a plurality of light source areas;

the light emitting piece is positioned on one side of the light source module, which is opposite to the frame, part of light rays emitted by the light source area form a bright area with a light/shadow transition area on the light emitting piece, the light emitting piece further comprises a non-bright area, the bright area is circumferentially connected with the non-bright area, and a light/shadow transition area is formed between the bright area and the non-bright area.

As a further improvement of the utility model, the boundary of any two adjacent light source areas has a non-right angle with the vertical direction.

As a further improvement of the utility model, the outline of each light source area is in the shape of an isosceles triangle or isosceles trapezoid with uniform size.

As a further improvement of the present utility model, the operating states of the light source regions include an illumination state and an extinction state, all of the light source regions on one side of the light/shadow transition zone are in the illumination state, all of the light source regions on the other side of the light/shadow transition zone are in the extinction state, and a luminance value of the light source region close to the light/shadow transition zone is lower than a luminance value of the light source region far from the light/shadow transition zone in the light source region in the illumination state.

As a further improvement of the utility model, the light source module further comprises a light source substrate, the light source substrate is fixedly connected with the frame, the light emitting elements are arranged on one side of the light source substrate facing the light emitting piece in a displaying way, each light emitting element comprises at least two light emitting chips with different colors, and each light emitting element comprises at least two light emitting chips with different colors.

As a further improvement of the present utility model, the light emitting element includes a first light emitting element including the light emitting chips of any two colors of red, blue, green, and white, and a second light emitting element including the light emitting chips of another two colors different from the colors in the first light emitting element.

As a further improvement of the present utility model, the light emitting elements are the same in kind in the horizontal direction, the light emitting elements are different in kind in the vertical direction, and the light emitting elements of different kinds are staggered; or in the vertical direction, the light emitting elements are the same in kind, in the horizontal direction, the light emitting elements are different in kind, and the light emitting elements of different kinds are staggered.

As a further improvement of the present utility model, each of the light source regions includes the light emitting chips of all colors, the light emitting chips of the same color in each of the light source regions are connected in series, and a luminance value of the light emitting chips varies according to a magnitude of a current value.

As a further improvement of the utility model, an air cavity is arranged between the light source module and the light emitting piece, the light emitted by the light emitting element is mixed by the air cavity and then is emitted into the light emitting piece, the light emitting element is rectangular or square, the side length of the longest side of the light emitting element is less than or equal to 3mm, the interval between each row of light emitting elements is L, and the thickness of the air cavity is D, and D/L is more than 1.2.

Another object of the present utility model is to provide a lamp including the side light emitting device.

In order to achieve the above-mentioned objective, the present utility model provides a lamp, including a surface light emitting device configured to emit light outwards, the surface light emitting device includes a light emitting surface, and the side light emitting device described above, the side light emitting device is disposed around the surface light emitting device, the side light emitting device includes a frame and a light emitting member, the frame extends vertically downwards from the light emitting surface, and the light emitting member is located inside the frame.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: according to the side light-emitting device, the light source module is divided into the plurality of light source areas, the light-emitting elements in part of the light source areas emit light to form the light area on the light-emitting piece, the light/shadow transition area is formed between the light area and the non-light area, and when the true restored sunlight is emitted into a room through the skylight, the effect of oblique incidence on the window edge is achieved, the effect of solar east-west rising is achieved, and the visual experience of a user is improved.

Drawings

Fig. 1 is a perspective view of a lamp according to an embodiment of the present utility model.

Fig. 2 is an exploded view of the structure of the lamp of fig. 1.

Fig. 3 is a cross-sectional view of the luminaire shown in fig. 1.

Fig. 4 is a partial enlarged view of fig. 3.

Fig. 5 is a partial schematic view of a light source module in the lamp shown in fig. 1.

Fig. 6 is a lighting effect diagram of the luminaire shown in fig. 1.

100-Lamps and lanterns, 110-bottom wall;

200-side light emitting devices, 210-frames, 220-light source modules, 222-light emitting elements, 2221-first light emitting elements, 2222-second light emitting elements, 223-light source areas, 224-light source substrates, 230-light emitting elements, 231-light areas, 232-non-light areas, 233-light/shadow transition areas, 240-air chambers, and 250-control units;

300-area light emitting device, 310-area light source assembly, 320-diffusion structure, 330-transparent plate, 340-inner frame, 350-light emergent surface, 360-virtual image.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

In this case, in order to avoid obscuring the present utility model due to unnecessary details, only the structures and/or processing steps closely related to the aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.

In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 6, a lamp 100 according to a preferred embodiment of the present utility model includes a side light emitting device 200 and a surface light emitting device 300, wherein the surface light emitting device 300 is configured to simulate sunlight in different periods in nature, the side light emitting device 200 is disposed around the outside of the surface light emitting device 300, the side light emitting device 200 is configured to simulate the effect of sunlight shining on the edge of a skylight, in addition, the side light emitting device 200 can form a virtual image 360 in the surface light emitting device 300 to simulate the window effect generated by a window edge on the skylight glass, and the lamp 100 can better restore the effect of real sunlight shining into a room through the skylight.

Referring to fig. 2, the lamp 100 further includes a bottom wall 110, the bottom wall 110 is fixedly connected with the mounting surface, the side light emitting device 200 includes a frame 210 extending along a vertical direction, a light source module 220, a control module and a light emitting element 230, wherein one end of the frame 210 abuts against the bottom wall 110 and is disposed around the bottom wall 110; the light source module 220 is disposed inside the frame 210, the light source module 220 includes a plurality of light emitting elements 222, and the light emitting elements 222 are divided into a plurality of light source areas 223; the control module controls the working states of the light source areas 223 respectively, wherein the working states comprise an illumination state and an extinction state; the light-emitting member 230 is located at a side of the light source module 220 facing away from the frame 210, as shown in fig. 6, the light emitted from the light source area 223 in the illumination state forms a bright area 231 on the light-emitting member 230, the light source area 223 not in the illumination state forms a non-bright area 232 on the light-emitting member 230, the bright area 231 is circumferentially connected with the non-bright area 232, and a clear light/shadow transition area 233 is formed between the bright area 231 and the non-bright area 232.

The control module controls part of the light source area 223 to be in an illumination state, the light-emitting elements 222 in the light source area 223 in the illumination state emit light to form a light area 231 on the light-emitting element 230, a light/shadow transition area 233 is formed between the light area 231 and the non-light area 232, when the real reduced sunlight is emitted into a room through a skylight, the effect of obliquely projecting on the window edge is achieved, the control module controls the light source area 223 in different positions to be in the illumination state, the position transformation of the light area 231 and the non-light area 232 is achieved on the light-emitting element 230, the effect that sunlight in different time periods is irradiated on the window edge through the skylight is simulated, and the effect of solar east rising and west falling is achieved.

The control module comprises a plurality of control units 250, the control units 250 are arranged in one-to-one correspondence with the light source areas 223, the control units 250 control the corresponding light source areas 223 to be in an illumination state or an extinction state, and the arranged plurality of control units 250 are utilized to realize the accurate control of each light source area 223 and realize the position transformation of the bright area 231 and the non-bright area 232. Meanwhile, the control unit 250 can also control the brightness and color of the light source area 223 in the illumination state to change so as to present a more colorful illumination effect

In this embodiment, the light source module 220 further includes a light source substrate 224, the light source substrate 224 is fixedly connected with the frame 210, the light emitting elements 222 are arranged on a side of the light source substrate 224 facing the light emitting element 230, each light emitting element 222 includes at least two light emitting chips with different colors, and the light emitting elements 222 include two light emitting chips with different colors. The light mixing of the light rays emitted by the light emitting chips with different colors on the light emitting element 222 is used for simulating the colors of sunlight with different time periods, and simulating different light color effects of sunlight from morning to dusk, so that the reduction degree of the lamp 100 is higher, and the use experience of a user is improved.

The size and shape of each light source region 223 are uniform, so that the uniformity of the bright region 231 formed on the light emitting member 230 is good, and the shape of the bright region 231 formed is always uniform at any time.

The light source regions 223 in the illumination state are continuously distributed, and the boundaries of any two adjacent light source regions 223 have non-right angles with the vertical direction, namely, the boundaries are inclined, so that a clear light/shadow transition zone 233 can be formed on the light emitting member 230, and in the light source regions 223 in the illumination state, the brightness value of the light source regions 223 close to the shadow transition zone 233 is lower than the brightness value of the light source regions 223 far from the shadow transition zone 233, so that a gradually darkening effect is formed between the bright region 231 and the non-bright region 232, and the visual effect is better.

The light source regions 223 on one side of the light/shadow transition zone 233 are all in an illuminated state and the light source regions 223 on the other side of the light/shadow transition zone 233 are all in an extinguished state. When the simulated sunlight irradiates into a room through the skylight, part of the window edge of the skylight is illuminated, and the other part of the window edge is in a dull state.

In the present embodiment, when the light emitting element 222 in the light source module 220 is in the illumination state for a long time, a large amount of heat is generated, and the light source substrate 224 is directly connected with the frame 210, so as to facilitate heat dissipation of the light source module 220, and prolong the service life of the light source module 220.

An air cavity 240 is disposed between the light source module 220 and the light emitting member 230, and the optical path of the light emitted by the light emitting element 222 is increased by the air cavity 240, so as to avoid the influence of uneven light mixing on the effect of the concept strand on the light emitting member 230, and the light emitted by the light emitting element 222 is emitted into the light emitting member 230 after being mixed by the air cavity 240.

In the present embodiment, the plurality of light emitting chips on the single light emitting element 222 are integrally packaged, so that the thickness of the air cavity 240 can be reduced, and the overall size of the lamp 100 is further controlled to be smaller, thereby improving the aesthetic degree of the lamp 100.

The control unit 250 controls the luminance values of the light emitting chips of the respective colors in the corresponding light source regions 223 to exhibit the effect of the solar rays of different periods. In the present embodiment, the control unit 250 is mounted on the light source substrate 224, and the control unit 250 is a control IC, and in other embodiments, other types of controllers may be used, which is not limited in the present utility model.

In this embodiment, the light emitting chips of the same color in each light source area 223 are connected in series, the light emitting chips of different colors are connected in parallel, and the control unit 250 changes the brightness value of the light emitting chips of different colors by controlling the magnitude of the current value in each circuit, so as to simulate the effect of sunlight of different time periods, such as morning glory, evening, and the like.

The light emitting element 222 includes a first light emitting element 2221 and a second light emitting element 2222, the first light emitting element 2221 includes light emitting chips of any two colors of red, blue, green, and white, and the second light emitting element 2222 includes light emitting chips of another two colors different from the colors in the first light emitting element 2221.

As shown in fig. 5, in the present embodiment, the first light emitting element 2221 includes light emitting chips with two colors of red and green, the second light emitting element 2222 includes light emitting chips with two colors of blue and white, and the first light emitting element 2221 and the second light emitting element 2222 are distributed in an array on the light source substrate 224, where the types of the light emitting elements 222 are the same in the horizontal direction, the types of the light emitting elements 222 are different in the vertical direction, and the light emitting elements 222 of different types are staggered in the vertical direction, in the present embodiment, the first light emitting element 2221 and the second light emitting element 2222 are staggered, so that the uniformity of the light emitting area 231 presented on the light emitting element 230 is better, and the situation of non-uniform color of the local area is avoided.

In other embodiments, the light emitting elements 222 may be arranged in the vertical direction, the light emitting elements 222 may be arranged in the horizontal direction, and the light emitting elements 222 may be arranged in different types, so that the uniformity of the bright area 231 displayed on the light emitting element 230 may be ensured.

In this embodiment, when the light emitting element 222 is square or rectangular, the side length of the longest side of the light emitting element 222 is smaller than 3mm, when the light emitting element 222 is circular, the diameter of the light emitting element 222 is smaller than 13mm, when the light emitting element 222 with small particles is adopted, the distance between the light emitting elements 222 is as small as possible, thus shortening the thickness of the air cavity 240, and when the light source area 223 is controlled to be in an illumination state, a clear light/shadow transition area 233 can be formed on the light emitting element 230, so that a boundary effect when the sun is obliquely incident on the window edge through the skylight is formed, the thickness of the air cavity 240 is D, the row spacing of the light emitting element 222 is L, and D/L is more than 1.2, so that the light emitted by the light emitting element has enough travel path in the air cavity 240, and a better light mixing effect is ensured.

In the present embodiment, the power of the light emitting element 222 is greater than or equal to 1W to ensure that a better light effect is exhibited, in the present embodiment, the light emitting element 222 is an LED lamp bead, and in other embodiments, may be other types of light emitting chips, which is not limited in the present utility model.

As shown in fig. 5, in the present embodiment, each light source area 223 has an isosceles triangle outline and includes light emitting chips of all colors, and the light source area 223 having an isosceles triangle outline can make the light area 231 displayed on the light emitting element 230 have a light/shadow transition area 233, and the light/shadow transition area 233 has a diagonal line to simulate the effect when sunlight is obliquely incident on the edge of the skylight. In other embodiments, the light source region 223 may also be isosceles trapezoid or non-right trapezoid.

In this embodiment, the light emitting member 230 is made of one of PMMA, PC and PS, the light emitting member 230 includes a light diffusing agent, and the light emitted from the light source module 220 is scattered by the light emitting member 230 and then emitted outwards. The light diffusing agent added into the material of the light emitting member 230 has the function of diffusing light, that is, light can be scattered therein, and the light can be diffused softly and uniformly. After passing through the light emitting part 230, the light has better uniformity and more stable chromaticity and chromaticity.

Referring to fig. 2 to 4, the surface light emitting device 300 includes a light emitting surface 350, the frame 210 of the side light emitting device 200 extends downward from the light emitting surface 350, a transparent plate 330 is disposed on a side of the light emitting surface 350 near the light emitting element 230, a side of the transparent plate 330 near the light emitting element 230 is a mirror surface, and the transparent plate 330 is configured to reflect a portion of light emitted outward through the light emitting element 230 to form a virtual image 360 of the light emitting element 230. When one side of the skylight is illuminated by sunlight, the window shadow effect formed on the skylight is simulated, so that the human eyes look deep and have permeability.

The surface light emitting device 300 further includes a surface light source assembly 310, an inner frame 340 and a diffusion structure 320, wherein the inner frame 340 is sleeved in the frame 210, the surface light source assembly 310 and the inner frame 340 are fixedly connected towards one end of the bottom wall 110, the diffusion structure 320 and the inner frame 340 are fixedly connected away from one end of the surface light source assembly 310, light emitted by the surface light source assembly 310 passes through the diffusion structure 320, the diffusion structure 320 diffuses the light to divide the linear light source or the point light source into uneven surface light sources, the transparent plate 330 is positioned on one side of the diffusion structure 320 opposite to the surface light source assembly 310, and the diffusion structure 320 and the transparent plate 330 jointly form a light emitting surface 350.

The surface light emitting device 300 can simulate blue sky, sunset, morning light and blue sky and white cloud effects, and the color of the light emitted by the side light emitting device 200 is matched with the simulated effects of the surface light emitting device 300, so as to improve the simulated effects and bring better visual experience.

The side light-emitting device 200 is different from the conventional atmosphere lamp in light-emitting mode, and the side light-emitting device 200 emits light only to the inner side of the lamp 100, in this embodiment, the frame 210 is made of opaque material, so as to create an effect of sunlight entering and illuminating the window edge of the skylight, and visually forming a transparent window.

In summary, the surface light emitting device 300 in the luminaire 100 of the present utility model can simulate the effects similar to blue sky, sunset, morning light and blue sky and white cloud, the side light emitting device 200 simulates the effect of shining sunlight on the edge of a skylight, so that the lighting effect of the luminaire 100 is more realistic, the control unit 250 controls part of the light source area 223 to be in a lighting state, the light emitting element 222 in the light source area 223 in the lighting state emits light to form the light area 231 on the light emitting element 230, the light/shadow transition area 233 is formed between the light area 231 and the non-light area 232, when the real reduced sunlight is shining into the room through the skylight, the effect of shining obliquely on the window edge is achieved by the control unit 250, the light source area 223 in different positions is controlled to be in a lighting state, the position conversion of the light area 231 and the non-light area 232 is achieved on the light emitting element 230, the effect similar to the effect of shining sunlight on the edge of the skylight in different periods is achieved, the side light emitting device 200 can also form 360 on the transparent plate 330 of the surface light emitting device 300, and the space, the sense and the deep image effect similar to that the sunlight shines on the window edge or window glass on the edge are formed.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A side-emitting device for use in a luminaire, comprising:

A frame (210) extending in a vertical direction;

the light source module (220) is arranged on the inner side of the frame (210), the light source module (220) comprises a plurality of light-emitting elements (222), and the light-emitting elements (222) are divided into a plurality of light source areas (223);

The light emitting piece (230), light emitting piece (230) is located light source module (220) is dorsad side of frame (210), and part light that light source region (223) sent out is in light emitting piece (230) is last to form bright region (231) that has light/shadow transition district (233), light emitting piece (230) still includes non-bright region (232), bright region (231) with non-bright region (232) circumference is connected, bright region (231) with form light/shadow transition district (233) between non-bright region (232).

2. A side-emitting arrangement according to claim 1, characterized in that the boundaries of any two adjacent light source areas (223) have a non-right angle to the vertical direction.

3. A side-emitting arrangement according to claim 2, characterized in that the outline of each light source area (223) is in the form of an isosceles triangle or isosceles trapezoid of uniform size.

4. The side-emitting device according to claim 1, wherein the operating states of the light source regions (223) comprise an illuminated state and an extinguished state, wherein the light source regions on one side of the light/shadow transition zone are all in the illuminated state, wherein the light source regions on the other side of the light/shadow transition zone are all in the extinguished state, wherein the luminance value of the light source regions (223) in the illuminated state that are close to the light/shadow transition zone (233) is lower than the luminance value of the light source regions (223) that are distant from the light/shadow transition zone (233).

5. The side-emitting device according to claim 1, wherein the light source module (220) further comprises a light source substrate (224), the light source substrate (224) is fixedly connected with the frame (210), the light emitting elements (222) are arranged on a side of the light source substrate (224) facing the light emitting element (230), each light emitting element (222) comprises at least two light emitting chips with different colors, and the light emitting elements (222) comprise at least two light emitting chips with different colors.

6. The side light emitting device according to claim 5, wherein the light emitting element (222) comprises a first light emitting element (2221) and a second light emitting element (2222), the first light emitting element (2221) comprising the light emitting chips of any two colors of red, blue, green and white, the second light emitting element (2222) comprising the light emitting chips of two other colors different from the color in the first light emitting element (2221).

7. The side light-emitting device according to claim 5, wherein the light-emitting elements (222) are the same in kind in a horizontal direction, the light-emitting elements (222) are different in kind in a vertical direction, and the light-emitting elements (222) of different kinds are staggered; or the light emitting elements (222) are the same in the vertical direction, the light emitting elements (222) are different in the horizontal direction, and the light emitting elements (222) of different types are staggered.

8. The side light-emitting device according to claim 5, wherein each of the light source regions (223) includes the light-emitting chips of all colors, the light-emitting chips of the same color in each of the light source regions (223) are connected in series, and a luminance value of the light-emitting chips varies according to a magnitude of a current value.

9. The side light emitting device according to claim 5, wherein an air cavity (240) is provided between the light source module (220) and the light emitting element (230), the light emitted by the light emitting element (222) is mixed by the air cavity (240) and then enters the light emitting element (230), the light emitting element (222) has a rectangular shape or a square shape, the side length of the longest side of the light emitting element (222) is less than or equal to 3mm, the distance between each two rows of light emitting elements (222) is L, and the thickness of the air cavity (240) is D, D/L > 1.2.

10. A light fixture, comprising:

A surface-emitting device (300) configured to emit light outward, the surface-emitting device (300) including a light-emitting surface, and

The side-emitting device according to any one of claims 1 to 9, which is arranged around the surface-emitting device (300), the side-emitting device comprising a frame (210) and a light-emitting member (230), the frame (210) extending vertically downwards from the light-emitting surface, the light-emitting member (230) being located inside the frame (210).