A projection module that projects a dynamic, changing light and shadow image.

Abstract

The present invention provides a projection module that projects a dynamically changing light and shadow image onto a target area on the ground. [Solution] The present invention includes a projection device 10. The projection device includes a first projection unit 11 and a second projection unit 12 arranged in parallel adjacent to each other, and a substrate unit 13 provided on one side of the first projection unit and the second projection unit. The first projection unit and the second projection unit each have projection tubes 111 and 121, respectively. A lens group 112 and a micro-image light-transmitting piece 113 are provided inside each projection tube. The two micro-image light-transmitting pieces each have either the same but shifted image or symmetrical and complementary images. At least one light-emitting member 132 is provided on the substrate unit for introducing a light source into the first projection tube and the second projection tube.

Claims

1. A projection module that projects a light and shadow image that appears to change dynamically, including a projection device, The projection device includes a first projection unit and a second projection unit arranged in parallel adjacent to each other, and a substrate unit provided on one side of the first projection unit and the second projection unit. The first projection unit and the second projection unit each have a projection tube, and each projection tube is provided with a lens group and a micro-image light-transmitting piece, and the two micro-image light-transmitting pieces each have the same but shifted image, or symmetrical and complementary images. The substrate unit is provided with at least one light-emitting member that introduces a light source into a first projection tube and a second projection tube, and each light source introduced into the first projection tube and the second projection tube is focused through the lens group installed inside the tube, and two light source images formed by passing through the two micro-image light-transmitting pieces are simultaneously projected onto the target area, generating shifted or complementary light and shadow images. The light source controller controls the changes in brightness generated by the light-emitting element, and within a predetermined time, the light source of the light-emitting element gradually brightens from a completely dark state, and then gradually dims again, repeating this cycle. A projection module that projects a dynamically changing light and shadow image, characterized in that different light-emitting members, which generate a light and shadow image by introducing light sources into the first projection cylinder and the second projection cylinder respectively, are controlled with a time difference to asynchronously change the brightness of the light sources, and the light and shadow image formed by the projections of the first projection cylinder and the second projection cylinder onto the target area appears to change continuously and dynamically.

2. The time process of the change in the light source of the light-emitting member is as follows: The first stage process involves the light-emitting member maintaining a state of illumination at 100% brightness, The projection module for projecting a dynamically changing light and shadow image according to claim 1, characterized in that it includes a second stage process in which the light-emitting member changes the brightness of the circulating light source multiple times.

3. The projection module for projecting a dynamically changing light and shadow image according to claim 2, characterized in that the plurality of light-emitting members unfold a plurality of cyclic light source brightness and darkness changes in an asynchronous mode during the second stage process.

4. The projection module for projecting a dynamically changing light and shadow image according to claim 3, characterized in that the multiple light-emitting members gradually dim from a fully illuminated state to a completely dark state, maintain the completely dark state for a certain period of time, then gradually brighten to a fully illuminated state, and maintain the fully illuminated state for a certain period of time.

5. The projection module for projecting a dynamically changing light and shadow image according to claim 2, characterized in that the time period of the second stage is 3 seconds or more.

6. The projection module for projecting a dynamically changing light and shadow image according to claim 5, characterized in that the time period of the second stage is 5 to 10 seconds.

7. The projection module for projecting a dynamically changing light and shadow image according to claim 2, characterized in that the time process of the light source change of the plurality of light-emitting members further includes a third stage process of restoring the light-emitting members to a full illumination state of 100% brightness.

8. The substrate unit includes a first substrate and a second substrate, The first substrate is provided on one side of the first projection unit. The first substrate has at least one of the light-emitting members that introduces a light source into the first projection tube, The second substrate is provided on one side of the second projection unit, The projection module for projecting a dynamically changing light and shadow image according to claim 1, characterized in that the second substrate has at least one light-emitting member that introduces a light source into the second projection tube.

9. The projection module for projecting a dynamically changing light and shadow image according to claim 1, characterized in that the image provided on the micro-image light-transmitting piece is a character, figure, symbol, or a combination thereof.

10. The projection module for projecting a dynamically changing light and shadow image according to claim 1, characterized in that the image provided on the micro-image light-transmitting piece is a colored image or a grayscale image.

Images