Air purifier with light effect

Abstract

The utility model relates to the field of household appliances more particularly relates to a kind of air purifier with light effect, including purifier main body and the light component of setting in purifier main body top, the light component is set with purifier main body into an angle a, make the light projection direction of light component towards the side of purifier main body.Integration of light component and purifier main body, while purifying air, product has powerful environmental light decoration ability, light component and purifier main body are set into angle a, the lateral projection of light is realized, this design breaks the limit of placement position, whether purifier leans on wall or is placed in corner, image can be stably and accurately projected to the middle of ceiling or other desired area, ensure the integrity and aesthetic feeling of picture, ensure the best viewing effect.

Description

Technical Field

[0001] This utility model relates to the field of household appliances, and more specifically, to an air purifier with lighting effects. Background Technology

[0002] As living standards improve, people's pursuit of a better home environment has expanded beyond basic health and comfort to include aesthetics and atmosphere. Air purifiers, as commonly used devices for improving indoor air quality, are becoming increasingly diversified in function. To enhance product value and user experience, air purifiers with integrated lighting effects have emerged, aiming to create specific indoor atmospheres while purifying the air by projecting light and shadow patterns.

[0003] Currently, most air purifiers with lighting effects use a vertically upward projection method for their lighting components. Ideally, this design can project a complete light and shadow pattern onto the center of the ceiling, creating a good visual focal point. However, in actual home environments, due to considerations of space utilization, power cord routing, or aesthetic concealment, air purifiers usually need to be placed against a wall or in a corner of the room. Figure 8 As shown, because its light is projected almost vertically upwards, when the purifier is close to the wall, a considerable portion (usually the half closest to the wall) of the complete light and shadow pattern that should be projected onto the center of the ceiling will be projected onto the side wall when the purifier is close to the wall. This results in the complete pattern being abruptly divided by the wall and ceiling, which destroys the integrity and aesthetics of the image and fails to create the expected immersive atmosphere. Utility Model Content

[0004] This utility model aims to overcome at least one of the defects (deficiencies) of the prior art mentioned above, and provides an air purifier with lighting effects. It solves the problem that in existing air purifiers with lighting functions, because the light is projected almost vertically upwards, when the purifier is close to the wall, a considerable part of the complete light and shadow pattern that should be projected onto the center of the ceiling will be projected onto the side wall, causing the complete pattern to be abruptly divided by the wall and ceiling, destroying the integrity and aesthetics of the picture, and failing to create the expected immersive atmosphere.

[0005] The technical solution adopted by this utility model is an air purifier with lighting effect, including a purifier body and a lighting component set on the top of the purifier body. The lighting component is set at an angle α with the purifier body, so that the light projection direction of the lighting component is towards one side of the purifier body.

[0006] By integrating the lighting components with the main body of the air purifier, the product not only purifies the air but also provides powerful ambient lighting decoration capabilities. Positioning the lighting components at an angle 'a' to the main body of the purifier allows for lateral light projection. This design breaks the limitations of placement location; whether the purifier is against a wall or placed in a corner, it can project an image stably and accurately onto the center of the ceiling or other desired areas, ensuring the integrity and aesthetics of the image and guaranteeing the best viewing experience.

[0007] Furthermore, the purifier body has a vertical main axis in its placement state, and the light assembly has an inclined main axis in the direction of light projection. The included angle α is the angle between the vertical main axis and the inclined main axis, which ranges from 10° to 30°.

[0008] The height between the lighting unit and the ceiling is typically 2-3 meters. Setting the angle 'a' between the vertical and inclined axes to between 10° and 30° will ensure the lighting unit projects an image onto the central area of ​​the ceiling. If angle 'a' is less than 10°, the image projected by the lighting unit may be too close to the side where the air purifier is placed, or even partially projected onto the side wall, affecting the projection effect. If angle 'a' is greater than 30°, the image projected by the lighting unit may be too far from the side where the air purifier is placed, or even partially projected onto the opposite side wall.

[0009] Furthermore, the air outlet of the purifier body is located at the upper end of the purifier body, and the light assembly is provided with a baffle located above the air outlet. The baffle changes the upward air outlet direction to lateral air outlet.

[0010] Traditional upward-blowing air purifiers cause clean air to remain in the upper part of the room, taking a long time to settle into the breathing zone. This purifier, however, uses a baffle to change the airflow direction from upward to sideways, more effectively delivering clean air to the center and far ends of the room. This allows the clean air to mix with the polluted air, creating a more efficient convection circulation and improving overall purification efficiency and speed. On the other hand, changing the airflow direction to sideways by using the baffle avoids the high-speed upward airflow disturbing the air density, which would cause light to refract and flicker. This ensures that the beam of light projected by the light component completely avoids the turbulent airflow area, resulting in a highly stable image projected onto the ceiling with clear edges, no distortion, and no flicker. Traditional side-venting systems often have a concentrated and strong airflow, which users can clearly feel and may even feel uncomfortable in certain locations. In contrast, the side-venting system in this design diffuses and softens the airflow through a baffle, so users will not feel the discomfort of a strong direct wind. Clean air is delivered to the room quietly and evenly, perfectly matching the tranquil and relaxing atmosphere sought by the lighting function, and achieving a high degree of unity between "light" and "wind" in terms of sensory experience.

[0011] Furthermore, the air outlet is inclined, forming an angle α with the main body of the purifier.

[0012] Instead of relying entirely on external baffles, the airflow direction is altered by tilting the air outlet itself at an angle 'a'. Setting the outlet's tilt angle 'a' to match the main axis tilt angle 'a' of the lighting components ensures that the purified airflow and the projected light used to create ambiance are guided in three-dimensional space to the same core target area—typically the area above the center of the room and the user's primary breathing zone. This unifies the previously separate functions of air purification and lighting effects in a spatial vector, achieving a triple synergy of purification efficiency, visual experience, and user perception. Ultimately, this creates a highly integrated, intelligent, and comfortable personal environmental management system for the user. Furthermore, compared to airflow that initially rises in a vertical duct and is then forcibly turned 90 degrees by a baffle, the tilted outlet provides a smooth, gradual initial direction for the airflow, significantly reducing eddies and wind resistance caused by sharp turns. This effectively reduces noise during high-airflow operation, improving the purifier's quietness.

[0013] Furthermore, the air outlet is annular, the baffle is annular, and the distance between the air outlet and the baffle remains constant.

[0014] The annular air outlet and baffle allow clean air to be delivered evenly and in equal amounts from the top and all sides of the purifier body, forming an airflow around the device. This ensures comprehensive and uniform purification regardless of the purifier's location in the room, greatly avoiding areas of weak airflow. The consistent distance between the air outlet and the baffle means that the gap width of the entire annular air duct is constant. This constant gap width ensures that the airflow resistance is identical at every point along the 360° circumference. Therefore, the airflow volume and velocity from the annular air outlet are highly consistent, eliminating uneven airflow. This design creates a smooth laminar flow, greatly reducing turbulence and eddies caused by violent collisions and separation between airflow and component edges, thus significantly reducing airflow noise.

[0015] Furthermore, the baffle completely covers the air outlet, and the lower part of the baffle has an arc-shaped surface.

[0016] If the baffle does not completely cover the air outlet, some of the airflow blowing out of the outlet may escape directly upwards, potentially affecting the light projection. Additionally, some airflow blowing directly onto the edge of the baffle may generate noise. Setting the bottom of the baffle as a curved surface acts as a streamlined airflow guide, providing a smooth, gradual transition path for the airflow. Compared to a 90-degree right-angle turn, the curved surface guides the airflow, allowing for a smoother change in airflow direction. This significantly reduces eddies and flow separation caused by sharp turns, thereby significantly reducing noise generated by airflow and making the equipment operate more quietly.

[0017] Furthermore, the air outlet is provided with a grille, which is arranged at an angle and has an arc-shaped transition surface at its lower edge.

[0018] The grille streamlines the turbulent, swirling airflow from the fan into a parallel, orderly laminar flow, improving the aerodynamic efficiency of the duct system. The angled arrangement of the grille pre-guides the airflow, eliminating the need for sharp turns when entering the main duct, resulting in smoother flow and less wind resistance. This design allows the fan to output the same airflow with lower power and avoids the whooshing noise caused by violent collisions and separation between the airflow and components, thus reducing operating noise. The lower edge of the grille is designed as a curved transition surface, providing a smooth, gradually changing curved path. The airflow can adhere to this curved surface for a longer distance before smoothly and gradually separating from the surface. This design significantly reduces high-frequency wind noise, achieving ultimate quietness.

[0019] Furthermore, it also includes an angle adjustment device for adjusting the included angle α, and the purifier body and the light assembly are connected through the angle adjustment device.

[0020] By setting an angle adjustment device, the angle α between the light component and the main body of the purifier can be adjusted so that the image projected by the light component is in the central area of ​​the roof, or the area desired by the user.

[0021] Furthermore, the lighting assembly includes a first lighting assembly for projecting a background pattern and / or a second lighting assembly for projecting a multi-point pattern and / or a third lighting assembly for projecting a foreground pattern.

[0022] The first lighting component provides a large-area, atmospheric background light and shadow, such as the sky or aurora; the second lighting component creates point-like details, such as the starry sky, adding depth and dynamism to the scene; the third lighting component projects clear, recognizable images or text, such as the silhouette of the moon, or the shapes of plants and animals. This setup allows users to experience a rich visual hierarchy, from the macro-atmosphere (background) to the meso-details (multiple points) and the micro-focus (foreground). These three layers can be combined arbitrarily to create countless light shows, from simple to complex, completely eliminating the monotony of single lighting effects and achieving true immersive environment creation. The use of "and / or" indicates a range of configuration combinations, from basic to high-end.

[0023] Furthermore, the first lighting assembly includes a light source, a plane lens, a curved lens, and a motor. Light emitted from the light source passes sequentially through the plane lens and the curved lens before being projected outward. The motor drives the plane lens to rotate. The plane lens has an uneven textured pattern; and / or The second lighting component includes a laser light source and a diffuser component, wherein the light emitted by the laser light source is diffused by the diffuser component to form a multi-point pattern; and / or The third lighting component includes an LED light source, a plug-in film, and a lens group. The plug-in film is plugged into the lens group, and the light emitted by the LED light source passes through the lens group and the plug-in film to form a foreground pattern.

[0024] In the first lighting component, a motor drives a textured flat lens to rotate, creating a flowing, distorted, and ever-changing abstract effect in the projected background light, resembling flowing clouds or the aurora borealis, completely avoiding the monotony of static light. The combination of the flat lens and the curved lens allows for complex refraction of light, creating a sense of depth and shadow, transforming the background from a flat block of color into a space with depth. This setup enhances the artistic and sophisticated feel.

[0025] In the second lighting component, the laser itself has high brightness and good directionality, forming star points with clear, bright and sharp boundaries, resulting in excellent visual effects. Compared with other light sources, the spots formed by the laser after scattering are closer to the point-like appearance of real stars. Moreover, laser light sources are usually highly efficient and have a long lifespan, making them suitable for long-term illumination.

[0026] In the third lighting assembly, the lens group is used to focus and magnify the pattern on the film for projection, ensuring that the edges of the final projected foreground pattern are clear and undistorted, resulting in high image quality. By changing different films, different patterns can be projected, which brings unlimited expansion possibilities to the product and greatly enhances its fun, personalization, and life cycle.

[0027] This solution ensures that the product's lighting effects are not only diverse, but also high-quality, dynamic, replaceable, or customizable, firmly establishing the product's core competitiveness from the conceptual level on an achievable and superior technological foundation.

[0028] Compared with existing technologies, the beneficial effects of this utility model are as follows: The lighting component is positioned at an angle α with the purifier body, causing the light projection direction to face one side of the purifier body. This breaks the limitations of placement location, ensuring that the image is stably and accurately projected onto the center of the ceiling or other desired areas regardless of whether the purifier is against a wall or placed in a corner, guaranteeing optimal viewing. The height between the purifier's lighting component and the ceiling is typically 2-3 meters. To ensure the light is projected onto the center of the ceiling, the angle α between the lighting component and the purifier body is set between 10° and 30°. The air outlet of the purifier body is located at its upper end. The lighting component has a baffle positioned above the air outlet, changing the upward airflow direction to a lateral airflow. This more effectively delivers clean air to the center or far end of the room for mixing with indoor air, improving overall purification efficiency and speed. Furthermore, it prevents the high-speed upward airflow from disturbing air density, causing light refraction and tremors, thus affecting the light projection effect. The air outlet is angled, forming an angle α with the purifier body, the same as the angle between the outlet and the main body of the lighting assembly. This ensures that the purified airflow and the projected light used to create ambiance are guided to the same core target area in three-dimensional space—typically the area above the center of the room and the user's primary breathing zone. Furthermore, the angled air outlet provides a smooth, gradual initial guidance for the airflow, significantly reducing eddies and wind resistance caused by sharp turns. This effectively reduces noise during high-volume operation and improves quietness. To further reduce noise and enhance quietness, the purifier also features a baffle that completely covers the air outlet, with a curved surface below the baffle. Additionally, angled grilles are arranged inside the air outlet, with the lower edge of the grilles forming a curved transition surface. The lighting assembly includes a first lighting component for projecting a background pattern and / or a second lighting component for projecting a multi-point pattern and / or a third lighting component for projecting a foreground pattern. The first lighting component provides a large-area, atmospheric background light and shadow, such as the sky or aurora borealis. It features a textured flat lens, driven by a motor to rotate, creating flowing, distorting, and changing effects in the projected background light, enhancing its artistic and sophisticated feel. The second lighting component uses a laser as its light source to create point-like details, such as a starry sky, adding depth and dynamism to the scene. The third lighting component projects clear, recognizable images or text, such as the silhouette of the moon or shapes of plants and animals. Furthermore, by changing the film, the third lighting component can project different patterns, greatly enhancing the product's appeal, personalization, and lifespan.Through the first, second, and third lighting components, users can obtain a rich visual hierarchy, from macroscopic atmosphere to mesoscopic details to microscopic focus. These three layers can be combined arbitrarily to create countless light shows ranging from simple to complex, completely eliminating the monotony of single lighting effects and achieving true immersive environment creation. This application reduces the noise generated by the purifier during operation through various measures. On the one hand, this creates a quiet environment for users; on the other hand, the purifier is equipped with a voice interaction module, and reducing noise improves the signal-to-noise ratio of voice acquisition, thereby increasing the accuracy of voice recognition by the voice interaction module. Attached Figure Description

[0029] Figure 1 This is a structural diagram of the present invention.

[0030] Figure 2 This is a side view of the present invention.

[0031] Figure 3 This is a cross-sectional view of the present invention.

[0032] Figure 4 This is an exploded view of the present invention.

[0033] Figure 5 This is a structural diagram of the lower edge of the grille.

[0034] Figure 6 This is an enlarged view of A.

[0035] Figure 7 This is a structural diagram of the first lighting assembly, the second lighting assembly, and the third lighting assembly.

[0036] Figure 8 This is a schematic diagram illustrating the projection effect of an existing air purifier with integrated lighting.

[0037] 100. Air purifier body; 110. Vertical main shaft; 120. Air outlet; 121. Grille; 122. Arc-shaped transition surface; 130. Housing; 131. Main unit housing; 132. Air inlet grille; 133. Base; 140. Purification components; 141. Filter assembly; 142. Lower air duct; 143. Fan wheel; 144. Air purifier motor; 145. Upper air duct; 150. PM2.5 sensor module; 200. Lighting assembly; 2 10. Inclined spindle; 220. Baffle; 221. Curved surface; 222. Control button; 230. First lighting assembly; 231. Light source; 232. Plane lens; 233. Curved lens; 234. Motor; 240. Second lighting assembly; 241. Laser light source; 242. Diffusion assembly; 250. Third lighting assembly; 251. LED light source; 252. Insert film; 253. Lens group; 260. Transparent cover. Detailed Implementation

[0038] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this invention. To better illustrate the following embodiments, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0039] like Figure 1 As shown, an air purifier with lighting effects includes a purifier body 100 and a lighting component 200 disposed on the top of the purifier body 100. The lighting component 200 is disposed at an angle α with the purifier body 100, so that the light projection direction of the lighting component 200 is towards one side of the purifier body 100.

[0040] Specifically, such as Figure 2 As shown, the air purifier body 100 is placed vertically and has a vertical main axis 110. The lighting assembly 200 projects light towards the front of the air purifier body 100 and has an inclined main axis 210 in the forward direction. The included angle α is the angle between the vertical main axis 110 and the inclined main axis 210. Preferably, the included angle α is between 10° and 30°. An angle adjustment device (not shown) can be provided between the air purifier body 100 and the lighting assembly 200. The angle adjustment device is used to adjust the size of the included angle α so that the image projected by the lighting assembly 200 is in the central area of ​​the roof or the area desired by the user.

[0041] like Figure 3 , Figure 4 As shown, the purifier body 100 includes a housing 130 and a purification component 140 disposed within the housing 130. The housing 130 includes a main unit outer shell 131, an air inlet grille 132, and a base 133. The air inlet grille 132 is disposed below the main unit outer shell 131, and the base 133 is disposed at the bottom of the air inlet grille 132. The main unit outer shell 131, the air inlet grille 132, and the base 133 form a housing structure, which forms a cavity inside. The purification component 140 is disposed within the cavity. An air outlet 120 is provided at the upper end of the housing 130. The air outlet 120 is inclined, and the angle between the air outlet and the purifier body 100 is also α.

[0042] like Figure 4 , Figure 5 As shown, the air outlet 120 is annular and has a grille 121 inside. The grille 121 is arranged at an angle and has a structure that is higher at the rear and lower at the front. The lower edge of the grille 121 is set as an arc transition surface 122 to reduce the noise of the purifier when it is running at high air volume.

[0043] like Figure 3 , Figure 4As shown, the purification component 140 includes a filter assembly 141, a lower air duct 142, a fan wheel 143, a purifier motor 144, and an upper air duct 145. The filter assembly 141 is located in the lower part of the cavity. The lower air duct 142 and the upper air duct 145 are located above the filter assembly 141 and are connected to each other. The fan wheel 143 is connected to the purifier motor 144 and is located within the lower air duct 142 and the upper air duct 145. The grille 121 is located on the upper air duct 145. When the purifier motor 144 drives the fan wheel 143 to operate, the air enters the purifier body 100 from the air inlet grille 132, is filtered by the filter assembly 141, and is discharged from the air outlet 120.

[0044] The air purifier body 100 is also equipped with a PM2.5 sensing module 150 and a voice interaction module (not shown). The PM2.5 sensing module 150 is used for real-time monitoring and feedback control, and the voice interaction module is used to realize human-computer interaction.

[0045] like Figure 3 , Figure 4 As shown, the lighting assembly 200 is positioned above the air outlet 120 and includes a baffle 220, a first lighting assembly 230, a second lighting assembly 240, and a third lighting assembly 250 mounted on the baffle 220, and a transparent cover 260 positioned above and connected to the baffle 220. The baffle 220 is used to change the upward air outlet direction of the air outlet 120 to lateral air outlet. The baffle 220 is an annular baffle, and its distance from the air outlet 120 remains consistent, ensuring that the airflow volume and velocity from the annular air outlet 120 are highly consistent, preventing uneven airflow in some areas and ensuring a smooth laminar flow. This reduces turbulence and eddies caused by violent collisions and separations between the airflow and the edges of components, significantly reducing airflow noise. The baffle 220 completely covers the air outlet 120, and its lower surface is arc-shaped 221 to provide a smooth and gradual transition path for the airflow, guiding the airflow to change direction more smoothly and reducing eddies and flow separation caused by sharp turns in the airflow. This significantly reduces the noise generated by the airflow and makes the equipment operate more quietly. A control module (not shown) is installed inside the baffle 220, and multiple control buttons 222 are provided on the baffle 220 for human-machine interaction.

[0046] like Figure 4 , Figure 6 and Figure 7As shown, the first lighting assembly 230 is used to project a background pattern and includes a light source 231, a plane lens 232, an arc lens 233, and a motor 234. The plane lens 232 is positioned above the light source 231 and has an uneven textured pattern. The arc lens 233 is positioned above the plane lens 232. The motor 234 is connected to the plane lens 232. The light emitted from the light source 231 passes through the plane lens 232 and the arc lens 233 in sequence before being projected outward. The motor 234 drives the plane lens 232 to rotate, causing the projected background light to produce flowing, distorted, and changing effects, avoiding the monotony of static light. The combination of the plane lens and the arc lens can perform complex refraction of light, creating a light and shadow effect with a sense of depth.

[0047] The second lighting component 240 is used to project a multi-point pattern, including a laser light source 241 and a diffuser component 242. The diffuser component 242 is positioned above the laser light source 241. The laser emitted by the laser light source 241 is scattered by the diffuser component 242 to form spots, which can project a point-like scene, such as a starry sky, increasing the depth and dynamism of the scene.

[0048] The third lighting assembly 250, used for projecting foreground patterns, includes an LED light source 251, an insert film 252, and a lens group 253. The insert film 252 is inserted between the lens groups 253. The light emitted by the LED light source 251 passes through the lens group 253 and the insert film 252 to form the foreground pattern. The lens group 253 is used to focus and magnify the pattern on the insert film 252. By changing different insert films, different patterns can be projected, enhancing the product's appeal, personalization, and lifespan. The third lighting assembly 250 can be used to project clear, recognizable images or text, such as a moon silhouette, animal or plant shapes, etc.

[0049] The transparent cover 260 is disposed on the top, covering the first light assembly 230, the second light assembly 240 and the third light assembly 250 inside, to prevent water and dust.

[0050] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the technical solution of this utility model, and are not intended to limit the specific implementation of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the claims of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An air purifier with lighting effects, comprising a purifier body (100) and a lighting assembly (200) disposed on the top of the purifier body (100), characterized in that, The light assembly (200) is set at an angle α with the purifier body (100), so that the light projection direction of the light assembly (200) is towards one side of the purifier body (100).

2. The air purifier with lighting effects according to claim 1, characterized in that, The purifier body (100) has a vertical main axis (110) in its placement state, and the light assembly (200) has an inclined main axis (210) in the direction of light projection. The included angle α is the angle between the vertical main axis (110) and the inclined main axis (210), which is between 10° and 30°.

3. The air purifier with lighting effects according to claim 1, characterized in that, The air outlet (120) of the purifier body (100) is located at the upper end of the purifier body (100). The light assembly (200) is provided with a baffle (220) located above the air outlet (120). The baffle (220) changes the upward air outlet direction of the air outlet (120) to the side air outlet.

4. The air purifier with lighting effects according to claim 3, characterized in that, The air outlet (120) is inclined and forms an angle α with the purifier body (100).

5. The air purifier with lighting effects according to claim 3, characterized in that, The air outlet (120) is annular, the baffle (220) is annular, and the distance between the air outlet (120) and the baffle (220) remains the same.

6. The air purifier with lighting effects according to claim 3, characterized in that, The baffle (220) completely covers the air outlet (120), and the bottom of the baffle (220) has an arc-shaped surface (221).

7. The air purifier with lighting effects according to claim 3, characterized in that, The air outlet (120) is provided with a grille (121), which is arranged at an angle and has an arc-shaped transition surface (122) at its lower edge.

8. The air purifier with lighting effect according to any one of claims 1 to 7, characterized in that, It also includes an angle adjustment device for adjusting the included angle α, and the purifier body (100) and the light assembly (200) are connected by the angle adjustment device.

9. The air purifier with lighting effect according to any one of claims 1 to 7, characterized in that, The lighting assembly (200) includes a first lighting assembly (230) for projecting a background pattern and / or a second lighting assembly (240) for projecting a multi-point pattern and / or a third lighting assembly (250) for projecting a foreground pattern.

10. The air purifier with lighting effects according to claim 9, characterized in that, The first lighting assembly (230) includes a light source (231), a plane lens (232), an arc lens (233), and a motor (234). The light emitted by the light source (231) passes sequentially through the plane lens (232) and the arc lens (233) before being projected outward. The motor (234) drives the plane lens (232) to rotate. The plane lens (232) has an uneven textured pattern; and / or The second lighting assembly (240) includes a laser light source (241) and a diffuser assembly (242), wherein the light emitted by the laser light source (241) passes through the diffuser assembly (242) to form a multi-point pattern; and / or The third lighting assembly (250) includes an LED light source (251), a plug-in film (252), and a lens group (253). The plug-in film (252) is plugged into the lens group (253). The light emitted by the LED light source (251) passes through the lens group (253) and the plug-in film (252) to form a foreground pattern.

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