CN117781219A - Optical system of end light-entering type ultra-thin stereoscopic effect atmosphere lamp - Google Patents

Abstract

The invention discloses an end light-entering type ultra-thin stereoscopic effect atmosphere lamp optical system which mainly comprises a bracket, a lens, a diffusion plate, a light guide plate and at least one PCBA. Wherein the diffusion plate is of a thin plate structure. By adopting the technical scheme, the light emitted by the LED lamp beads on the PCBA is guided to the diffusion plate through the light guide plate, and then is emitted to the corresponding three-dimensional light-emitting units after light mixing and light balancing of the diffusion plate, so that each three-dimensional light-emitting unit of the inner lens can achieve excellent optical effects, the light entering band of the existing three-dimensional thick-wall light guide is eliminated, the width of the atmosphere lamp is greatly reduced, the atmosphere lamp is not only suitable for being installed on an automobile instrument desk, but also suitable for being installed on a vehicle door inner decorative plate with a narrow space, and the light-emitting effect of the surrounding three-dimensional atmosphere lamp can be realized in a vehicle; meanwhile, the light guide plate is matched with the small-size PCBA, so that the cost is relatively low, and the three-dimensional lighting effects such as overall lighting, flickering, color change and the like of each three-dimensional lighting unit can be realized.

Description

Optical system of end light-entering type ultra-thin stereoscopic effect atmosphere lamp

Technical Field

The invention relates to the technical field of automobile atmosphere lamps, in particular to an end light-entering type ultrathin stereoscopic effect atmosphere lamp optical system.

Background

At present, linear atmosphere lamps are generally based on linear light guide structures, and whether the linear atmosphere lamps are hidden linear light source atmosphere lamps or direct display linear light source atmosphere lamps, the linear light guide structure is used for achieving linear light-emitting atmosphere lamp effects, the lamp effect is single, and three-dimensional sense is lacked.

Therefore, the applicant filed a chinese patent application CN115164120a, which discloses a stereoscopic linear atmosphere lamp structure, based on a stereoscopic thick-wall light guide (corresponding to an inner lens of the present application), through the design of emitting light from the entire stereoscopic light-emitting surface, the width of the light-emitting strip is greatly increased, so that the width of the light-emitting strip can be easily made to be in the centimeter level, thereby the light guide can exhibit a stereoscopic extremely strong light-emitting effect, and the stereoscopic light-emitting surface has aesthetic feeling due to the stereoscopic shape, so that the linear atmosphere lamp can clearly see the entire stereoscopic light-emitting surface even in the off state, thereby the linear atmosphere lamp can be used as an interior decoration of an automobile in the off state.

Then, in order to improve the stereoscopic effect of the stereoscopic thick-wall light guide appearance structure, the applicant overcomes the problems of single color and insufficient contrast when the thick-wall light guide appearance structure is used as a decoration. The applicant has also applied for chinese patent CN115933046a, it discloses a piano key effect panel board atmosphere lamp structure, thick wall light guide (equivalent to the inner lens of this application) based on piano key effect, not only guaranteed the light guide effect, moreover through protruding and transparent white key protruding with the alternative design of the black key blend stop of light-proof, both promoted thick wall light guide overall modeling's third dimension, constitute black and white piano key's outward appearance effect, aesthetic feeling degree is good, through adopting the color matching of black and white contrast again, the color contrast is strong, further promoted whole aesthetic feeling.

However, in practical application, the applicant found that the light inlet band and the light outlet band of the thick-wall light guide of the two stereoscopic effect atmosphere lamps are arranged side by side along the width direction of the light transmitting member, so that the minimum width of the atmosphere lamp adopting the two thick-wall light guides can only be 48mm (namely, the modeling width + the light mixing width + the PCBA width is more than or equal to 48 mm), thus the two stereoscopic effect atmosphere lamps are limited by the width requirement, cannot be mounted on a vehicle door inner decorative plate, can only be mounted on an automobile instrument desk, and cannot form the luminous effect of the surrounding stereoscopic atmosphere lamp with uniform effect.

Solving the above problems is urgent.

Disclosure of Invention

The invention provides an end light-entering type ultra-thin stereoscopic effect atmosphere lamp optical system, which aims to solve the technical problems that the existing stereoscopic effect thick-wall light guide-based stereoscopic effect atmosphere lamp is large in width and cannot be installed on a vehicle door inner decorative plate.

The technical scheme is as follows:

the utility model provides an ultra-thin stereoscopic effect atmosphere lamp optical system of tip light entering, includes the support and installs inner lens and the light guide plate in support thickness direction both sides respectively, PCBA is installed to at least one end of support length direction, all integrate at least one LED lamp pearl on the PCBA, the light-emitting surface of each LED lamp pearl of PCBA all just to the light-emitting terminal surface of light guide plate corresponding end, be equipped with a plurality of stereoscopic light emitting units that can outwards light-transmitting on the inner lens, install the diffuser plate on the support, this diffuser plate is sheet structure to be located between inner lens and the PCBA, have respectively with the light mixing light-equalizing unit of each stereoscopic light emitting unit one-to-one on the diffuser plate, after the light that each LED lamp pearl was launched gets into the light guide plate through the light-entering terminal surface that corresponds, by each light mixing light-equalizing unit light mixing and light-equalizing after the light-emitting unit of each, the stereoscopic light emitting unit that corresponds to outwards is launched by stereoscopic light emitting unit.

Compared with the prior art, the invention has the beneficial effects that:

1. light emitted by the LED lamp beads on the PCBA is guided to the diffusion plate through the light guide plate, and then is emitted to the corresponding three-dimensional light-emitting units after being mixed and uniformly emitted by each light-mixing and light-homogenizing unit of the diffusion plate, so that each three-dimensional light-emitting unit of the inner lens can achieve excellent optical effects, and the diffusion plate is of a thin plate structure, thereby eliminating the light-entering band of the thick-wall light guide with the existing three-dimensional effect, enabling the width of an atmosphere lamp based on the light-entering ultra-thin three-dimensional effect atmosphere lamp system to be controlled within 20mm, greatly reducing the width of the atmosphere lamp, enabling the atmosphere lamp to be suitable for being installed on an automobile instrument desk and on an automobile door inner decorative plate with narrow space, and further enabling the surrounding three-dimensional atmosphere lamp to emit light in an automobile;

2. the light guide plate is matched with the small-size PCBA arranged at the end part of the light guide plate, so that the cost is relatively low, and each three-dimensional light-emitting unit can realize three-dimensional light-emitting effects such as integral lighting, flickering, color change and the like, and has higher technological sense and high-grade sense.

Drawings

FIG. 1 is a schematic view of an embodiment of an end-on ultra-thin stereoscopic ambient light system with one view angle;

FIG. 2 is a schematic view of an embodiment of an end-on ultra-thin stereoscopic ambient light system with a view angle;

FIG. 3 is an exploded view of an embodiment of an end entry ultra-thin stereoscopic ambient light optical system;

FIG. 4 is a cross-sectional view of an embodiment of an end entry ultra-thin stereoscopic ambient light optical system;

FIG. 5 is a schematic view of one view angle of an inner lens of an embodiment of an end-on ultra-thin stereoscopic ambient light optical system;

FIG. 6 is a schematic view of an inner lens of an embodiment of an end-on ultra-thin stereoscopic ambient light system with a view angle;

FIG. 7 is a schematic diagram showing a relationship between a bracket and a diffusion plate in an embodiment of an end-on ultra-thin stereoscopic effect ambient light optical system;

FIG. 8 is a schematic view of a structure of a bracket of an embodiment of an end-lit ultra-thin stereoscopic ambient light optical system;

fig. 9 is a schematic structural diagram of a second embodiment of an end-light-entering type ultra-thin stereoscopic atmosphere lamp optical system.

Detailed Description

The invention is further described below with reference to examples and figures.

Example 1:

as shown in fig. 1 to 8, an end light-entering type ultra-thin stereoscopic effect atmosphere lamp optical system mainly comprises a bracket 300, a lens 100, a diffusion plate 200, a light guide plate 600 and at least one PCBA800. The support 300 has a strip structure, and the inner lens 100 and the light guide plate 600 are respectively covered on two sides of the support 300 in the thickness direction. The diffusion plate 200, the inner lens 100 and the light guide plate 600 are all of a long thin plate structure, and the diffusion plate 200 is also mounted on the bracket 300 and located between the inner lens 100 and the light guide plate 600.

At least one LED lamp bead 801 is integrated on each PCBA800, and each PCBA800 is respectively positioned at the corresponding end of the light guide plate 600 in the length direction; when the length of the light guide plate 600 is short, the PCBA800 is provided only at one end of the light guide plate 600, so that the light guide plate 600 can be uniformly lighted with enough overall brightness; when the length of the light guide plate 600 is long, PCBA800 is provided at both ends of the light guide plate 600, thereby ensuring uniform lighting of the light guide plate 600 with sufficient overall brightness. The two ends of the light guide plate 600 in the length direction are light inlet end faces 601, and the light outlet faces of the LED lamp beads 801 of the PCBA800 are opposite to the light inlet end faces 601 of the corresponding ends of the light guide plate 600.

In this embodiment, a plurality of stereoscopic light emitting units capable of transmitting light outwards are disposed on the inner lens 100, a diffusion plate 200 is mounted on the bracket 300, light mixing and homogenizing units 204 corresponding to the stereoscopic light emitting units one by one are disposed on the diffusion plate 200, light emitted from each LED lamp bead 801 enters the light guide plate 600 through the corresponding light inlet end face 601, then is emitted to each of the light mixing and homogenizing units 204 through the light guide plate 600, and then is emitted to the corresponding stereoscopic light emitting unit after being mixed and homogenized by each of the light mixing and homogenizing units 204, and is emitted outwards by the stereoscopic light emitting unit.

Therefore, because the diffusion plate 200 is of a thin plate structure, light emitted by the LED lamp beads 801 on the PCBA800 is guided to the diffusion plate 200 through the light guide plate 600, mixed light and uniform light are carried out by each mixed light and uniform light unit 204 of the diffusion plate 200, and then emitted to the corresponding three-dimensional light emitting units, the three-dimensional light emitting units of the inner lens 100 are enabled to emit outwards, excellent optical effects can be achieved by the three-dimensional light emitting units, and the diffusion plate is of a thin plate structure, so that light entering bands of the existing three-dimensional effect thick-wall light guide are eliminated, the width of an atmosphere lamp based on the light entering type ultra-thin three-dimensional effect atmosphere lamp system can be controlled within 20mm, the width of the atmosphere lamp is greatly reduced, the atmosphere lamp is not only suitable for being installed on an automobile instrument desk, but also suitable for being installed on a vehicle door inner decorative plate with narrow space, and further the light emitting effect of the surrounding three-dimensional atmosphere lamp can be achieved in a vehicle.

In addition, each LED lamp bead 801 is an RGB-LED lamp bead, so that each three-dimensional light-emitting unit can perform color conversion at the same time. Meanwhile, the light guide plate 600 is matched with the small-sized PCBA800 arranged at the end part of the light guide plate, so that the cost of the PCBA is greatly reduced, the overall cost is relatively low, and the three-dimensional lighting effects such as overall lighting, flickering, color change and the like can be realized by the three-dimensional lighting units, so that the light guide plate has higher technological sense and high-grade sense.

It should be noted that, the light guide plate 600 is a conventional light guide plate for an atmosphere lamp, which is made of transparent plastic material, and a diffuse reflection structure such as frosting and dermatoglyph is disposed on a surface of a side of the light guide plate 600 away from the diffusion plate 200, so as to ensure that a large amount of light is emitted toward the diffusion plate 200.

In this embodiment, the diffusion plate 200 is preferably made of a transparent plastic material with a milky white shape, so that the diffusion effect on light is good, the effects of ultra-short distance light mixing and light homogenizing are achieved, and the cost is low.

In addition, the diffusion plate 200 can also be made of transparent plastic, and the surface of the diffusion plate is provided with diffuse reflection structures such as dermatoglyph, so that good diffusion effect can be achieved on light, ultra-short distance light mixing and light balancing can be achieved, and meanwhile, the cost is low.

Further, the diffusion plate 200 may be made of a transparent plastic material with milky white, and the surface is provided with a diffuse reflection structure such as dermatoglyph, so that the light mixing and light homogenizing effects of the diffusion plate 200 can be further improved.

The holder 300 has a diffusion plate installation groove 301 adapted to the diffusion plate 200, the diffusion plate 200 is installed at the bottom of the diffusion plate installation groove 301, the inner lens 100 is installed at the notch of the diffusion plate installation groove 301 in a covering manner, and the inner lens 100 is parallel to the inner diffusion plate 200 to enhance the optical effect.

Also, the bracket 300 has the light guide plate mounting groove 309 adapted to the light guide plate 600, and the light guide plate 600 is simply and reliably mounted in the light guide plate mounting groove 309. Specifically, the groove walls on both sides of the light guide plate mounting groove 309 in the width direction are provided with a plurality of light guide plate clamping connectors 310 adapted to the light guide plate 600, and the light guide plate 600 is supported on each bar-shaped supporting rib 308a after being clamped into each light guide plate clamping connector 310, thereby ensuring the reliable mounting of the light guide plate 600.

Further, the groove walls on both sides of the light guide plate mounting groove 309 in the width direction are provided with a plurality of light guide plate limiting ribs 312, and the outer edges on both sides of the light guide plate 600 in the width direction are respectively abutted against the corresponding light guide plate limiting ribs 312, so that the light guide plate 600 can be mounted more tightly, and abnormal noise caused by shaking is avoided.

In this embodiment, the inner lens 100 includes a light-transmitting plate 110 capable of transmitting light and a light-shielding plate 120 capable of shielding light, the inner side surface of the light-transmitting plate 110 is a light-entering surface, a plurality of stereoscopic light-emitting units are formed by protruding the outer side surface of the light-transmitting plate 110, the light-shielding plate 120 is disposed on the outer side of the light-transmitting plate 110, a plurality of light-emitting unit through holes 121 respectively adapted to each stereoscopic light-emitting unit are formed on the light-shielding plate 120, and each stereoscopic light-emitting unit passes through the corresponding light-emitting unit through hole 121 in an outwards protruding manner.

Thus, the present inner lens 100 corresponds to the stereoscopic thick-wall light guide in chinese patent CN217540539U and CN219222199U, and chinese patent application CN115158156 a. The inner lens 100 can realize the simple effect of integral lighting and flickering through each three-dimensional light-emitting unit, can be respectively and independently matched with RGB LEDs, realizes the complex three-dimensional effect of running water, rhythm, color lump change and the like, greatly improves the technological sense and the high-grade sense of the linear atmosphere lamp, can cancel PCBA and wire harnesses when being used on a low-cost vehicle model, and can be directly used as a linear decorative strip, so that the novel inner decorative board is not required, the novel decorative piece is not required, the cost is greatly reduced, and the management difficulty of parts is also reduced. More importantly, the inner lens 100 is arranged to cover the outer side surface of the light-transmitting plate 110 by the light-shielding plate 120, and meanwhile, the through holes 121 of each light-emitting unit on the light-shielding plate 120 can be correspondingly surrounded around each three-dimensional light-emitting unit one by one, so that light channeling between adjacent three-dimensional light-emitting units can be avoided.

The three-dimensional light emitting units may be arranged in a linear manner along the length direction of the light-transmitting plate 110 or may be randomly distributed. In addition, the size of each three-dimensional light-emitting unit can be not completely unified, and the three-dimensional light-emitting units can be designed according to aesthetic requirements.

In this embodiment, the light-transmitting plate 110 and the light-shielding plate 120 are preferably integrally formed by a two-color injection molding process, so that the structures of the two are stable and reliable, and the structural strength is high. The light shielding plate 120 is preferably made of black plastic, and the light transmitting plate 110 is preferably made of colorless or light-colored plastic capable of transmitting light, so that the color of the light can be strongly compared when the atmosphere lamp is not lighted, and the overall aesthetic feeling is improved.

In this embodiment, the three-dimensional light emitting unit is composed of a plurality of light emitting bosses 111, and has good three-dimensional appearance and flexible design.

In order to further improve the anti-channeling effect, a plurality of unit anti-channeling grooves 112 are concavely formed on the surface of one side of the light-transmitting plate 110, which is close to the diffusion plate 200, and projections of the unit anti-channeling grooves 112 on the surface of one side of the light-transmitting plate 110, which is far away from the diffusion plate 200, are respectively positioned between two corresponding adjacent three-dimensional light-emitting units; meanwhile, the diffusion plate 200 is provided with unit anti-channeling slits 201 which are respectively in one-to-one correspondence with the unit anti-channeling grooves 112, and the area between adjacent unit anti-channeling slits 201 is a light mixing and homogenizing unit 204; most importantly, the diffusion plate mounting groove 301 is provided with unit light blocking ribs 302 which are respectively in one-to-one correspondence with the unit light channeling prevention grooves 112, and each unit light blocking rib 302 is inserted into the corresponding unit light channeling prevention groove 112 after passing through the corresponding unit light channeling prevention slot 201.

It should be noted that, the bracket 300 is integrally formed with a light-shielding plastic material, preferably black plastic, which has good light-shielding property and can be recycled material, and the cost is low. Therefore, the light blocking rib 302 is excellent in light blocking performance. Each of the unit light blocking ribs 302 is inserted into the corresponding unit light blocking groove 112 after passing through the corresponding unit light blocking slit 201 in sequence. Therefore, the light blocking ribs 302 of each unit simultaneously carry out physical partition and separation on the light-transmitting plate 110 and the diffusion plate 200, the problem of light channeling between the adjacent light mixing and homogenizing units 204 and the adjacent three-dimensional light emitting units is thoroughly avoided, and the optical effect of the atmosphere lamp based on the light entering type ultrathin three-dimensional effect atmosphere lamp optical system is ensured.

In this embodiment, the three-dimensional light emitting units are composed of a plurality of light emitting bosses 111, and the light emitting bosses 111 are distributed along the circumferential array.

Because the optical effect is not ideal when the light-transmitting plate 110 is attached to the diffusion plate 200, in this embodiment, the peripheral edge of the light-transmitting plate 110 near one side surface of the diffusion plate 200 protrudes to form circumferentially distributed gap supporting protruding points 114, and one side surface of the diffusion plate 200 near the light-transmitting plate 110 is simultaneously supported on each gap supporting protruding point 114, so that a gap is left between the light-transmitting plate 110 and the diffusion plate 200, and meanwhile, due to point contact, the problem of friction abnormal sound can be avoided to the greatest extent. Further, the clearance between the light-transmitting plate 110 and the diffusion plate 200 is 0.5mm or more, which can better enhance the optical effect, and in order to make the atmosphere lamp thinner, the height of each clearance supporting bump 114 is preferably 0.5mm, that is: the gap between the light-transmitting plate 110 and the diffusion plate 200 is equal to 0.5mm.

In this embodiment, the middle part of the bracket 300 is provided with the element mounting frame 308, the element mounting frame 308 divides the interior of the bracket 300 into the diffusion plate mounting groove 301 and the light guide plate mounting groove 309, the light guide plate mounting groove 309 is located at one side of the diffusion plate mounting groove 301 away from the inner lens 100, and the light guide plate 600 and the diffusion plate 200 are respectively supported on the element mounting frame 308 from both sides, thereby ensuring the mounting reliability of the light guide plate 600 and the diffusion plate 200.

Further, part of the bar-shaped supporting ribs 308a are formed with protruding element supporting protrusions 308a1 at a side close to the diffusion plate 200, and part of the bar-shaped supporting ribs 308a are also formed with protruding element supporting protrusions 308a1 at a side close to the light guide plate 600, and the diffusion plate 200 and the light guide plate 600 are respectively supported on the corresponding element supporting protrusions 308a1, so that the problem of abnormal friction between the diffusion plate 200 and the light guide plate 600 and the element mounting frame 308 can be avoided to the greatest extent through point contact.

For the installation and fixation of the inner lens 100 on the bracket 300, in this embodiment, a plurality of screw posts 115 are formed on the protrusion of the light-transmitting plate 110 near one side surface of the diffusion plate 200, positioning slots 203 respectively adapted to the screw posts 115 are formed on the diffusion plate 200, screw seats 304 respectively adapted to the corresponding screw posts 115 are provided on part of the bar-shaped supporting ribs 308a, the screw posts 115 are respectively clamped into the corresponding positioning slots 203 and respectively contact with the end surfaces of the corresponding screw seats 304, and then the corresponding screw seats 304 and screw posts 115 are locked by a plurality of locking screws. Namely: the locking screw 115 is locked in the corresponding screw column 115 after passing through the screw seat 304, the head of the locking screw 115 is held on the screw seat 304, and the threaded connection portion of the locking screw 115 is screwed into the screw column 115. The reliable connection among the inner lens 100, the diffusion plate 200 and the bracket 300 is ensured, and the diffusion plate 200 can be positioned through the screw column 115. And, a portion of the screw post 115 may also be used to eject the mold during injection molding and demolding.

Referring to fig. 3, 4, 5 and 7, in the present embodiment, the peripheral edge of the light shielding plate 120 protrudes out of the light transmitting plate 110 to form an annular supporting edge 122, and the annular supporting edge 122 extends beyond the peripheral edge of the light transmitting plate 110 to achieve a better light blocking effect.

Most importantly, a circle of annular light blocking groove 123 is formed on one side of the annular supporting edge 122 far away from the lampshade in a recessed mode, the support 300 is of a cylindrical structure, an annular supporting surface 305 matched with the annular supporting edge 122 is arranged on one side edge of the support 300 close to the lampshade 500, annular light blocking ribs 306 matched with the annular light blocking groove 123 are formed on the annular supporting surface 305 in a protruding mode, the inner lens 100 covers one side of the support 300 close to the lampshade 500, the annular supporting edge 122 is supported on the annular supporting surface 305, and meanwhile the annular light blocking ribs 306 are embedded into the annular light blocking groove 123.

Therefore, the annular light blocking rib 306 is matched with the annular light blocking groove 123, so that the annular supporting edge 122 and the annular supporting surface 305 are matched to form a Z-shaped annular lap joint structure, a gap between the support 300 and the light shielding plate 120 can be reliably shielded, light rays emitted by the light transmitting plate 110 are prevented from leaking from the gap between the support 300 and the light shielding plate 120, and a good light leakage prevention effect is achieved.

Referring to fig. 8, since the PCBA integrated with the LED lamp beads is disposed at one or both ends of the light guide plate 600, the light guide plate light mixing portion is disposed at both ends of the light guide plate 600, and the light efficiency of the light guide plate light mixing portion is very poor. Therefore, in this embodiment, the two ends of the element mounting frame 308 are both provided with the light-mixing light-shielding plates 311, and the two light-mixing light-shielding plates 311 respectively shield the corresponding light-guiding plate light-mixing portions, so that the light emitted from the light-guiding plate light-mixing portions can be effectively prevented from being emitted from the lampshade panel 510, and the overall light effect of the atmosphere lamp is ensured.

Embodiment two:

as shown in fig. 9, the structure of the end light-entering type ultra-thin stereoscopic effect atmosphere lamp optical system of the present embodiment is substantially the same as that of the first embodiment, and the difference is that: the three-dimensional light-emitting unit of the embodiment is composed of one light-emitting boss 111, and the outer end surfaces of the light-emitting bosses 111 of the embodiment can be of special-shaped structures such as diamond surfaces, so that three-dimensional light-emitting effect can be realized, and the appearance aesthetic feeling is good when the light-emitting unit is extinguished.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides an ultra-thin stereoscopic effect atmosphere lamp optical system of tip light entering, includes the support and installs inner lens and the light guide plate in support thickness direction both sides respectively, PCBA is installed to at least one end of support length direction, all integrate at least one LED lamp pearl on the PCBA, the play plain noodles of each LED lamp pearl of PCBA all just to the light-entering terminal surface that the light guide plate corresponds the end, be equipped with a plurality of stereoscopic lighting units that can outwards printing opacity on the inner lens, its characterized in that: the light guide plate is characterized in that the support is provided with a diffusion plate which is of a thin plate structure and is positioned between the inner lens and the PCBA, the diffusion plate is provided with light mixing and homogenizing units which are respectively in one-to-one correspondence with the three-dimensional lighting units, light emitted by each LED lamp bead enters the light guide plate through the corresponding light inlet end face, is emitted to each light mixing and homogenizing unit through the light guide plate, is emitted to the corresponding three-dimensional lighting unit after being mixed and homogenized by each light mixing and homogenizing unit, and is emitted outwards by the three-dimensional lighting unit.

2. The end-lit ultra-thin stereoscopic mood light optical system according to claim 1, wherein: the diffusion plate is made of a milky white light-transmitting plastic material.

3. The end-lit ultra-thin stereoscopic ambient light optical system of claim 1 or 2, wherein: and the surface of the diffusion plate is provided with a diffuse reflection structure.

4. The end-lit ultra-thin stereoscopic mood light optical system according to claim 1, wherein: the inner lens comprises a light-transmitting plate capable of transmitting light and a light-shielding plate capable of shielding the light, one side surface of the light-transmitting plate, far away from the diffusion plate, protrudes to form the three-dimensional light-emitting units, the light-shielding plate is arranged on one side of the light-transmitting plate, far away from the diffusion plate, and is provided with a plurality of light-emitting unit through holes which are respectively matched with the three-dimensional light-emitting units, and the three-dimensional light-emitting units outwards protrude to respectively penetrate through the corresponding light-emitting unit through holes.

5. The end-lit ultra-thin stereoscopic mood light optical system according to claim 4, wherein: the three-dimensional light-emitting unit consists of a light-emitting boss.

6. The end-lit ultra-thin stereoscopic mood light optical system according to claim 4, wherein: the three-dimensional light-emitting unit is composed of a plurality of light-emitting bosses.

7. The end-lit ultra-thin stereoscopic ambient light optical system of claim 5 or 6, wherein: the projection of each unit light-channeling-preventing groove on the surface of the light-transmitting plate, which is far away from the diffusion plate, is respectively positioned between two corresponding adjacent three-dimensional light-emitting units;

the bracket is provided with a diffusion plate mounting groove, the diffusion plate is mounted in the diffusion plate mounting groove, the diffusion plate is provided with unit anti-channeling slits which are respectively in one-to-one correspondence with the unit anti-channeling grooves, and the area between the adjacent unit anti-channeling slits is the mixed light homogenizing unit;

the diffusion plate mounting groove is provided with unit light blocking ribs which are respectively in one-to-one correspondence with the unit light channeling prevention grooves, and the unit light blocking ribs respectively penetrate through the corresponding unit light channeling prevention seams and then are inserted into the corresponding unit light channeling prevention grooves.

8. The end-lit ultra-thin stereoscopic mood light optical system according to claim 1, wherein: the middle part of support comprises the component mounting bracket that is net hollow out construction by a plurality of bar supporting ribs, and this component mounting bracket is diffuser plate mounting groove and light guide plate mounting groove with the internal partition of support, the diffuser plate is installed in the tank bottom of diffuser plate mounting groove, interior lens lid closes the notch in diffuser plate mounting groove, the light guide plate is installed in the light guide plate mounting groove.

9. The end-lit ultra-thin stereoscopic mood light optical system according to claim 8, wherein: the diffusion plate and the light guide plate are respectively supported on the corresponding element supporting convex points.

10. The end-lit ultra-thin stereoscopic mood light optical system according to claim 8, wherein: the groove walls on two sides of the light guide plate mounting groove in the width direction are respectively provided with a plurality of light guide plate clamp joints matched with the light guide plates, and the light guide plates are clamped into the light guide plate clamp joints and then supported on corresponding element supporting protruding points;

the light-transmitting plate is provided with a plurality of screw columns close to the protrusion of one side surface of the diffusion plate, the diffusion plate is provided with positioning grooves respectively matched with the screw columns, part of the strip-shaped supporting ribs are provided with screw seats respectively matched with the corresponding screw columns, the screw columns are respectively clamped into the corresponding positioning grooves and respectively contacted with the end surfaces of the corresponding screw seats, and then the corresponding screw seats and the corresponding screw columns are locked through a plurality of locking screws;

the outer edge of the light-transmitting plate, which is close to one side surface of the diffusion plate, is protruded to form gap supporting protruding points which are distributed in the circumferential direction, and one side surface of the diffusion plate, which is far away from the element supporting protruding points, is supported on each gap supporting protruding point.