LED lamp optical system capable of generating water wave 3D fluctuation effect
A technology of LED lamps and optical systems, applied in the direction of light source, light source fixation, lighting device components, etc., can solve the problems of increasing the length of lamps, insufficient disclosure of optical principles, etc.
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Embodiment 1
[0065] Embodiment 1. When the free-form plano-convex lens A (3) moves within its plane and the free-form plano-convex lens B (4) is fixed:
[0066] 1- The light emitted by the LED light source (11) passes through the condensing lens group (12) and converges into light at an angle of 45°-110°. The purpose of adding the condensing lens group (12) is to improve the utilization rate of the light source.
[0067] 2- The light emitted from the condensing lens group (12) enters the diffuser lens (2). Since the upper side of the diffuser lens (2) is flat, the other side includes several irregular prisms (21) with different heights, and the prisms The height H of the platform (21) is 0.2 mm ≤ H ≤ 1.4 mm, so the incident light will form a scattered nonlinear light when it exits, and the difference in light intensity passing through the prism (21) of different heights will be significantly different. as attached Figure 8 is the simulated scattered light intensity curve when the height ...
Embodiment 2
[0071] Embodiment 2. When the free-form plano-convex lens B (4) moves within its plane and the free-form plano-convex lens A (3) is fixed:
[0072] It can be understood that the optical principle of the second embodiment is the same as that of the first embodiment, the only difference is that the light passes through the free-form surface plano-convex lens A (3) to form multiple light and dark water pattern patterns and the free-form surface plano-convex The overlapping methods of the multiple light and dark water ripple patterns formed by the lens B (4) are different, that is, the 3D undulations of the water ripple patterns are different in form.
[0073] In addition, because the array arrangement of the free-form surface lens c on the free-form plano-convex lens A (3) and the free-form plano-convex lens B (4) can be completely the same or different; it is understandable that the final effect is different Also, the 3D undulations of the water pattern are different in form, bu...
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