Stage lamp capable of changing light shape based on electronic liquid crystal module

Abstract

The utility model discloses a stage lamp capable of changing light shapes based on an electronic liquid crystal module. The stage lamp comprises an LED light source. The light guide assembly, the zoom lens group and the liquid crystal screen are sequentially arranged along the same optical axis; the light guide assembly is arranged in the light emitting direction of the LED light source; the zoom lens group is arranged in the light emitting direction of the light guide assembly; the liquid crystal screen is arranged in the light emitting direction of the zoom lens group; the liquid crystal screen comprises an electronic liquid crystal layer arranged inside; light emitted by the LED light source enters the light guide assembly to be transmitted and then sequentially passes through the zoom lens group and the liquid crystal screen to form an initial light spot; different voltage values are applied to the liquid crystal screen in the horizontal direction and / or the vertical direction, liquid crystal molecules in the electronic liquid crystal layer correspondingly deflect according to the applied voltage values, and the light propagation direction in the electronic liquid crystal layer is changed. Various light distribution effects of circles, ellipses, longitudinal long strips, transverse long strips and the like of different sizes and positions are achieved, and practicability is higher.

Description

Technical Field

[0001] This utility model belongs to the field of stage lighting technology, specifically relating to a stage light that changes the shape of light based on an electronic liquid crystal module. Background Technology

[0002] In the field of stage performance arts, changes in the shape of lights, as one of the important forms of stage lighting design, play a crucial role in shaping the stage scene, guiding the audience's gaze, and coordinating with the rhythm of the performance.

[0003] In existing stage lighting design techniques, changes in the shape of the light typically rely on fixed lighting fixture structures and optical lenses. While these traditional devices can achieve adjustments in the shape of the light to some extent, they also have many limitations.

[0004] Currently, most imaging systems on the market rely on a cutting device to cut light beams, thereby altering the shape of the beam spot or projecting pre-designed patterns. The basic principle is to utilize multiple cutting blades within the cutting device; by moving these blades, part of the light beam is blocked, thus forming a predetermined imaging pattern. For example, Chinese patent CN206207331U discloses a stage lighting cutter. This cutter includes a main board with a circular aperture for the light beam to pass through, four cutting blades, and eight drive motors. While this can increase the number of light patterns that can be cut to some extent, it also introduces a complex structure.

[0005] Moreover, existing methods for changing the shape of lights have limitations in achieving complex and varied lighting effects. For example, it is difficult to quickly and flexibly generate dynamic and irregular light shapes. In stage performances, lighting effects often need to change in real time according to the plot and rhythm of the performance to create different atmospheres and emotions. However, as the demands for lighting effects in stage performance arts increase, there is an urgent need for stage lighting fixtures that can quickly and flexibly change the shape of lights to meet the increasingly diverse and creative needs of stage lighting design. Summary of the Invention

[0006] To address the problems in related technologies, this utility model proposes a stage light that changes the shape of light based on an electronic liquid crystal module, thereby overcoming the aforementioned technical problems in existing related technologies. This utility model applies different voltage values ​​to the horizontal and / or vertical directions of the liquid crystal screen, causing the liquid crystal molecules in the electronic liquid crystal layer to deflect accordingly according to the voltage values, thereby achieving various light distribution effects such as circles, ellipses, vertical stripes, and horizontal stripes of different sizes and positions.

[0007] The technical solution of this utility model is implemented as follows: a stage light based on an electronic liquid crystal module to change the shape of light, including an LED light source for emitting light, and also including a light guide assembly, a zoom lens group and a liquid crystal screen arranged sequentially along the same optical axis;

[0008] A light guide component is disposed in the light emission direction of the LED light source, and is used to receive the light emitted by the LED light source and guide the light to transmit along the light emission direction;

[0009] A zoom lens group is disposed in the light-emitting direction of the light guide assembly and is used to focus the light transmitted through the light guide assembly;

[0010] A liquid crystal display (LCD) screen is disposed in the light-emitting direction of the zoom lens group; the LCD screen includes an internal electro-liquid crystal layer.

[0011] After the light emitted by the LED light source enters the light guide assembly for transmission, it passes sequentially through the zoom lens group and the liquid crystal screen to form an initial light spot. By applying different voltage values ​​to the horizontal and / or vertical directions of the liquid crystal screen, the liquid crystal molecules in the electro-liquid layer are deflected accordingly according to the applied voltage value, thereby changing the direction of light propagation in the electro-liquid layer to obtain projected light spots of different sizes and positions.

[0012] Furthermore, the liquid crystal screen also includes a first panel, a second panel, and a conductive layer; the first panel and the second panel are disposed opposite to each other, and the electro-liquid layer is disposed between the first and second panels; the conductive layer is disposed on the inner side of the first and second panels respectively, for receiving applied voltage signals to control the alignment state of liquid crystal molecules;

[0013] Furthermore, light enters from the second panel and exits from the first panel;

[0014] Preferably, the first and second panels are glass substrates;

[0015] Furthermore, the LCD screen also includes polarizers, which are respectively disposed on the outer sides of the first and second panels for polarizing incident and outgoing light.

[0016] It should be noted that the conductive layer includes an ITO transparent conductive layer.

[0017] Furthermore, it also includes a liquid crystal driving circuit, which is electrically connected to the conductive layer and is used to convert an externally input control signal into a corresponding voltage signal and apply the voltage signal to the conductive layer to control the deflection angle of the liquid crystal molecules.

[0018] Furthermore, the light guide assembly includes at least a light guide rod, one end of which is disposed on the side where the LED light source emits light, and the other end of which is disposed on the side where the zoom lens group receives light; the light guide rod is used to receive the light emitted by the LED light source and perform light mixing processing.

[0019] Furthermore, the light guide rod is cylindrical or prismatic, and its surface is frosted or has microstructures to allow light to undergo multiple reflections and scatterings inside the light guide rod.

[0020] Preferably, in this invention, the light guide rod is prismatic in shape.

[0021] Furthermore, the light guide assembly also includes an outer housing for fixing the light guide rod. The outer housing is provided with a light outlet, and the light outlet is provided with a horn-shaped light outlet cover. The light outlet is positioned corresponding to the zoom lens group, and is used to guide more light to diffuse onto the zoom lens group.

[0022] Furthermore, it also includes a light source substrate for fixing the LED light source; the housing is also provided with a mounting structure, which is used to mount the housing onto the light source substrate, and the mounting structure is at least one of threaded hole, snap-fit, magnetic structure, and pin structure;

[0023] Preferably, in this invention, the mounting structure is a threaded hole, and the housing is mounted on the light source substrate by connecting the screw to the threaded hole.

[0024] Furthermore, the light guide rod is provided with a fixing seat at one end where light is emitted; the light emitting cover includes a narrow opening and a wide opening that extend and transition along the light emission direction; the narrow opening extends toward the LED light source and is connected to the fixing seat and the outer shell in sequence;

[0025] One side of the mounting base abuts against the narrow opening, and the other side abuts against the light outlet of the housing; the wide opening extends away from the LED light source;

[0026] It should be noted that the contact relationship between the fixing seat and the outer shell forms a stable support structure to fix the light guide rod.

[0027] Furthermore, the zoom lens group includes at least one convex lens, which is used to focus the light transmitted through the light guide assembly; the convex lens is located between the light guide assembly and the liquid crystal screen, and the convex lens moves relative to the light along the optical axis to change the focal length of the zoom lens group.

[0028] Furthermore, the convex lens is located between the light-emitting cover and the liquid crystal screen, and its position can move back and forth along the optical axis.

[0029] Furthermore, it also includes a zoom drive mechanism, which is connected to the convex lens and is used to drive the convex lens to move back and forth along the optical axis to achieve focal length adjustment of the zoom lens group.

[0030] Furthermore, it also includes a control module, which is connected to the LED light source, the zoom drive mechanism and the liquid crystal drive circuit respectively, for receiving external control signals and controlling the switching of the LED light source, the focal length of the zoom lens group and the shape of the projected light spot according to the external control signals.

[0031] Furthermore, the control module includes a signal conversion unit, which is used to convert the voltages applied in the horizontal and vertical directions required by the liquid crystal driving circuit into 8-bit DMX control signals.

[0032] Furthermore, one surface of the convex lens is a plane, and this plane faces the light guide assembly; the other surface of the convex lens is a curved surface, which bulges towards the liquid crystal screen.

[0033] The beneficial effects of this utility model are:

[0034] (1) This invention applies different voltage values ​​to the horizontal and / or vertical directions of the LCD screen, causing the liquid crystal molecules in the electro-liquid layer to deflect accordingly, thereby changing the direction of light propagation within the electro-liquid layer. This design allows the LED light source to control light distribution in both the horizontal and vertical directions of the LCD screen, enabling various light distributions such as circular, elliptical, vertical stripe, and horizontal stripe shapes. This greatly enriches the lighting effects of stage lights and allows for flexible adjustment of the light spot shape according to stage performance needs. It improves the quality of stage lighting, exhibition displays, and film and television photography without requiring any additional auxiliary devices.

[0035] (2) Moreover, the present invention arranges the light guide assembly, zoom lens group and liquid crystal screen along the same optical axis in sequence, with a compact overall structure and high integration, which is conducive to the miniaturization design and installation of stage lights, while reducing the optical path loss between optical components and improving the light energy utilization rate. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the structure of the LED light source, light guide assembly, zoom lens group and LCD screen combination of this utility model;

[0037] Figure 2 This is a front view of the LED light source, light guide assembly, zoom lens group and LCD screen assembly of this utility model;

[0038] Figure 3This is a cross-sectional view of the LED light source, light guide assembly, zoom lens group and LCD screen assembly of this utility model;

[0039] Figure 4 This is a schematic diagram of the focal length adjustment of the zoom lens group moving toward the light guide assembly according to this utility model.

[0040] Figure 5 This is a schematic diagram of the optical path structure of the zoom lens group of this utility model after it moves toward the light guide assembly;

[0041] Figure 6 This is an exploded structural diagram of the light guide component of this utility model;

[0042] Figure 7 This is one embodiment of the present utility model;

[0043] Figure 8 This is the second embodiment of the present utility model;

[0044] Figure 9 This is the third embodiment of the present utility model;

[0045] Figure 10 This is the fourth embodiment of the present invention;

[0046] Figure 11 A schematic diagram illustrating the working principle of applying voltage to the LCD screen of this utility model.

[0047] Marker explanation:

[0048] 1. LED light source; 2. Light guide assembly; 21. Light guide rod; 211. Fixing base; 22. Housing; 221. Mounting structure; 222. Light outlet; 23. Light outlet cover; 3. Convex lens; 4. LCD screen; 41. First panel; 42. LCD screen; 43. Second panel; 5. Light source substrate. Detailed Implementation

[0049] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0050] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0051] like Figure 1-3 As shown, this embodiment provides a stage light that changes the shape of light based on an electronic liquid crystal module, including an LED light source 1 for emitting light, and also including a light guide assembly 2, a zoom lens group and an LCD screen 42 arranged sequentially along the same optical axis;

[0052] The light guide component 2 is disposed in the light emission direction of the LED light source 1 and is used to receive the light emitted by the LED light source 1 and guide the light to be transmitted along the light emission direction.

[0053] A zoom lens group is disposed in the light-emitting direction of the light guide assembly 2 and is used to focus the light transmitted through the light guide assembly 2.

[0054] The LCD screen 42 is disposed in the light-emitting direction of the zoom lens group; the LCD screen 42 includes an internal electro-liquid crystal layer;

[0055] After the light emitted by the LED light source 1 enters the light guide component 2 for transmission, it passes through the zoom lens group and the liquid crystal screen 42 in sequence to form an initial light spot. By applying different voltage values ​​to the horizontal and / or vertical directions of the liquid crystal screen 42, the liquid crystal molecules in the electro-liquid layer are deflected according to the applied voltage value, thereby changing the direction of light propagation in the electro-liquid layer to obtain projected light spots of different sizes and positions.

[0056] This embodiment applies different voltage values ​​to the horizontal and / or vertical directions of the LCD screen 42, causing the liquid crystal molecules in the electro-liquid layer to deflect accordingly, thereby changing the direction of light propagation within the electro-liquid layer. This design enables the stage lights to obtain projected light spots of different sizes and positions, greatly enriching the light and shadow effects of the stage lights. The shape of the light spots can be flexibly adjusted according to the needs of the stage performance, enhancing the artistic appeal and visual impact of the stage performance.

[0057] Moreover, by arranging the light guide assembly 2, the zoom lens group, and the LCD screen 42 sequentially along the same optical axis, the overall structure is compact and highly integrated, which is conducive to the miniaturization design and installation of stage lights, while reducing optical path loss between optical components and improving light energy utilization.

[0058] It should be noted that: the horizontal direction of the LCD screen 42 corresponds to the adjustment of the horizontal axis of the projected light spot, and the vertical direction of the LCD screen 42 corresponds to the adjustment of the vertical axis of the projected light spot;

[0059] It should be emphasized that in practical applications, the horizontal direction of the LCD screen 42 is parallel to the ground plane, and the vertical direction of the LCD screen 42 is perpendicular to the ground plane.

[0060] In this embodiment, the voltage applied to the electro-liquid layer varies from 0V to 5V.

[0061] Specifically, such as Figure 8 As shown, by applying voltage to the horizontal direction of the LCD screen 42, the projected light spot is a light spot stretched along the horizontal axis;

[0062] like Figure 9 As shown, by applying voltage to the vertical direction of the LCD screen 42, the projected light spot is a light spot whose longitudinal axis is stretched.

[0063] like Figure 10 As shown, by applying voltage to both the horizontal and vertical directions of the LCD screen 42, the projected light spot is a light spot that is stretched along both the horizontal and vertical axes, and finally presents an enlarged circular light spot.

[0064] More specifically, such as Figure 11 As shown, when the LCD screen 42 is working, the voltage applied in the horizontal and / or vertical directions corresponds to the expansion and contraction of the projected light spot along the horizontal and / or vertical axes.

[0065] like Figure 3 As shown, the liquid crystal screen 42 further includes a first panel 41, a second panel 43, and a conductive layer; the first panel 41 and the second panel 43 are disposed opposite to each other, and the electro-liquid layer is disposed between the first and second panels; the conductive layer is disposed on the inner side of the first and second panels respectively, for receiving applied voltage signals to control the arrangement state of liquid crystal molecules;

[0066] More specifically, light enters from the second panel 43 and exits from the first panel 41;

[0067] In this embodiment, the first and second panels are specifically glass substrates;

[0068] More specifically, the LCD screen 42 also includes polarizers, which are respectively disposed on the outer sides of the first and second panels for polarizing incident and outgoing light.

[0069] It should be noted that the conductive layer includes an ITO transparent conductive layer.

[0070] Specifically, it also includes a liquid crystal driving circuit, which is electrically connected to the conductive layer and is used to convert an externally input control signal into a corresponding voltage signal and apply the voltage signal to the conductive layer to control the deflection angle of the liquid crystal molecules, thereby achieving the adjustment of the direction of light propagation.

[0071] It should be noted that the liquid crystal driving circuit is existing technology, and the specific circuit structure will not be described in detail in this embodiment. All existing publicly available liquid crystal driving circuits are suitable for driving the liquid crystal screen 42 in this embodiment.

[0072] like Figure 3 and Figure 6 As shown, the light guide assembly 2 includes at least a light guide rod 21. One end of the light guide rod 21 is disposed on the side where the LED light source 1 emits light, and the other end of the light guide rod 21 is disposed on the side where the zoom lens group receives light. The light guide rod 21 is used to receive the light emitted by the LED light source 1 and perform light mixing processing.

[0073] The light guide rod 21 described in this embodiment is disposed on the light-emitting side of the LED light source 1. It can effectively receive and guide the light to be transmitted along the light-emitting direction, ensuring a stable and accurate light transmission path, reducing light loss, and laying a good foundation for subsequent light processing.

[0074] Specifically, the light guide rod 21 is cylindrical or prismatic, and its surface is frosted or has microstructures to allow light to be reflected and scattered multiple times inside the light guide rod 21, thereby achieving uniform light output.

[0075] It should be noted that the microstructure is specifically made of a reflective material that can reflect light;

[0076] Preferably, in this embodiment, the light guide rod 21 is prismatic.

[0077] Specifically, the light guide assembly 2 further includes an outer shell 22 for fixing the light guide rod 21. The outer shell 22 is provided with a light outlet 222. The light outlet 222 is provided with a horn-shaped light outlet cover 23. The light outlet 222 corresponds to the position of the zoom lens group and is used to guide more light to diffuse onto the zoom lens group.

[0078] like Figure 1 and Figure 6 As shown, it also includes a light source substrate 5 for fixing the LED light source 1; the housing 22 is also provided with a mounting structure 221, which is used to mount the housing 22 onto the light source substrate 5. The mounting structure 221 is at least one of a threaded hole, a snap-fit, a magnetic structure, and a pin structure.

[0079] Preferably, in this embodiment, the mounting structure 221 is a threaded hole, and the housing 22 is mounted on the light source substrate 5 by connecting the screw to the threaded hole.

[0080] like Figure 3 and Figure 6 As shown, the light guide rod 21 has a fixed base 211 at the light-emitting end; the light-emitting cover 23 includes a narrow opening and a wide opening that extend and transition along the light-emitting direction; the narrow opening extends toward the LED light source 1 and is connected to the fixed base 211 and the outer shell 22 in sequence.

[0081] One side of the mounting base 211 abuts against the narrow opening, and the other side abuts against the light outlet 222 of the outer casing 22; the wide opening extends away from the LED light source 1;

[0082] It should be noted that the contact relationship between the fixing seat 211 and the outer shell 22 forms a stable support structure to fix the light guide rod 21, ensuring that the light guide rod 21 maintains a stable position during the operation of the stage light and is not prone to shaking or displacement, thereby ensuring the transmission and emission effect of light.

[0083] Specifically, the stage light described in this embodiment can change the brightness of the projected light spot by adjusting the brightness of the LED light source 1; or,

[0084] The sharpness of the projected light spot can be adjusted by moving the zoom lens group back and forth to meet the usage requirements.

[0085] More specifically, the zoom lens group includes at least one convex lens 3, which is used to focus the light transmitted through the light guide component 2; the convex lens 3 is located between the light guide component 2 and the liquid crystal screen 42, and the convex lens 3 moves relative to the light along the optical axis to change the focal length of the zoom lens group, thereby adjusting the focus of the light and thus changing the clarity of the projected light spot.

[0086] like Figure 4-5 As shown, the convex lens 3 is located between the light-emitting cover 23 and the liquid crystal screen 42, and its position can move back and forth along the optical axis.

[0087] It should be emphasized that the focal length adjustment range of the convex lens 3 is between the light-emitting cover 23 and the liquid crystal screen 42;

[0088] It should be further explained that when the convex lens 3 moves closer to the LCD screen 42, the image of the projected light spot is clearer, and when the convex lens 3 moves away from the LCD screen 42, the image of the projected light spot is blurrier.

[0089] More specifically, it also includes a zoom drive mechanism, which is connected to the convex lens 3 and is used to drive the convex lens 3 to move back and forth along the optical axis to realize the focal length adjustment of the zoom lens group.

[0090] Specifically, it also includes a control module, which is connected to the LED light source 1, the zoom drive mechanism and the liquid crystal drive circuit respectively, and is used to receive external control signals and control the switching of the LED light source 1, the focal length of the zoom lens group and the shape of the projected light spot according to the external control signals.

[0091] More specifically, the control module includes a signal conversion unit, which is used to convert the voltages applied in the horizontal and vertical directions required by the liquid crystal driving circuit into 8-bit DMX control signals, so that the stage lights can control the liquid crystal screen 42 through the control console to achieve the desired control effect.

[0092] Specifically, one surface of the convex lens 3 is a plane, and this plane faces the light guide assembly 2; the other surface of the convex lens 3 is a curved surface, which protrudes towards the liquid crystal screen 42.

[0093] In this embodiment, as Figure 7 As shown, LED light source 1 emits light, which enters light guide rod 21 for light mixing. After the light is mixed, it passes through zoom lens group and liquid crystal screen 42 to form a small circular initial light spot. At this time, by applying voltage to the liquid crystal screen 42 in the horizontal and vertical directions respectively, the crystal structure in the electronic liquid crystal layer will change according to the applied voltage value, the liquid crystal molecules will deflect, and the light will also change the propagation direction, thereby affecting the light distribution.

[0094] Among them, such as Figure 8-11 As shown, the light distribution can be adjusted in the horizontal and vertical directions (i.e., the horizontal and vertical axes of the projected light spot), thereby achieving various light distribution effects such as circles, ellipses, vertical stripes, and horizontal stripes of different sizes and positions (i.e., the horizontal axis of the projected light spot can be lengthened or shortened to achieve horizontal ellipses, horizontal stripes, and other light distribution effects; the vertical axis of the projected light spot can also be lengthened or shortened to achieve vertical ellipses, vertical stripes, and other light distribution effects).

[0095] In this embodiment, the LED light source 1 controls the light distribution in both horizontal and vertical directions via the LCD screen 42, enabling various light distributions such as circular, elliptical, vertical stripe, and horizontal stripe shapes. The size and shape of the projected light spot can be freely adjusted via the vertical and horizontal axes, breaking through the conventional design of traditional stage lights. This allows users to control the coverage of the projected light spot or beam according to the requirements of the stage scene, achieving contrast between light and dark and highlighting the center. Without the need for any additional auxiliary devices, the stage light described in this embodiment improves the quality of stage lighting, exhibition displays, and film and television photography.

[0096] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A stage light that changes the shape of light based on an electronic liquid crystal module, comprising an LED light source for emitting light, characterized in that, It also includes a light guide assembly, a zoom lens group, and an LCD screen arranged sequentially along the same optical axis; A light guide component is disposed in the light emission direction of the LED light source, and is used to receive the light emitted by the LED light source and guide the light to transmit along the light emission direction; A zoom lens group is disposed in the light-emitting direction of the light guide assembly and is used to focus the light transmitted through the light guide assembly; A liquid crystal display (LCD) screen is disposed in the light-emitting direction of the zoom lens group; the LCD screen includes an internal electro-liquid crystal layer. After the light emitted by the LED light source enters the light guide assembly for transmission, it passes sequentially through the zoom lens group and the liquid crystal screen to form an initial light spot. By applying different voltage values ​​to the horizontal and / or vertical directions of the liquid crystal screen, the liquid crystal molecules in the electro-liquid layer are deflected accordingly according to the applied voltage value, thereby changing the direction of light propagation in the electro-liquid layer to obtain projected light spots of different sizes and positions.

2. The stage light according to claim 1, characterized in that, The liquid crystal screen further includes a first panel, a second panel, and a conductive layer; the first panel and the second panel are disposed opposite to each other, and the electro-liquid crystal layer is disposed between the first panel and the second panel; the conductive layer is disposed on the inner side of the first panel and the second panel respectively.

3. The stage light according to claim 2, characterized in that, It also includes a liquid crystal driving circuit, which is electrically connected to the conductive layer.

4. The stage light according to claim 1, characterized in that, The light guide assembly includes at least a light guide rod, one end of which is disposed on the side where the LED light source emits light, and the other end of which is disposed on the side where the zoom lens group receives light; the light guide rod is used to receive the light emitted by the LED light source and perform light mixing processing.

5. The stage light according to claim 4, characterized in that, The light guide rod is cylindrical or prismatic, and its surface is frosted or has microstructures to allow light to undergo multiple reflections and scatterings inside the light guide rod.

6. The stage light according to claim 4, characterized in that, The light guide assembly also includes an outer housing for fixing the light guide rod. The outer housing is provided with a light outlet, and the light outlet is provided with a horn-shaped light outlet cover, and the position of the light outlet corresponds to that of the zoom lens group.

7. The stage light according to claim 6, characterized in that, It also includes a light source substrate for fixing the LED light source; the housing is also provided with a mounting structure for mounting the housing onto the light source substrate.

8. The stage light according to claim 6, characterized in that, The light guide rod has a fixed base at one end where light is emitted; the light emitting cover includes a narrow opening and a wide opening that extend and transition along the light emission direction; the narrow opening extends toward the LED light source and is connected to the fixed base and the outer shell in sequence.

9. The stage light according to claim 1, characterized in that, The zoom lens group includes at least one convex lens, which is used to focus the light transmitted through the light guide assembly; the convex lens is located between the light guide assembly and the liquid crystal screen, and the convex lens moves relative to the light along the optical axis.

10. The stage light according to claim 9, characterized in that, One surface of the convex lens is a plane, and this plane faces the light guide assembly; the other surface of the convex lens is a curved surface, which bulges towards the liquid crystal screen.

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