Device for producing a bundled light flux
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Accused Products
Abstract
The invention relates to a device for producing a bundled light flux. According to the invention, a light source consisting of a light emitting diode matrix (1, 2, 3) is provided, an optical device for bundling and scattering the light produced by the light-emitting diodes is arranged between the light source and a light outlet (9, 18), the device for bundling and scattering comprises a latticed reflector (5) which respectively forms a light channel for each matrix point, the walls (6) of said light channel being reflective, and the end of each light channel, facing the light source (1, 2, 3), contains a convergent lens (4).
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Citations
10 Claims
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1-5. -5. (canceled)
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6. A head up display having a device for producing a focused light flux, said display comprising:
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a light source having a plurality of light emitting diodes arranged in points of a light emitting diode matrix;
an optical device arranged and dimensioned for focusing and scattering light produced by said light source, the optical device including a grid reflector comprising walls reflecting the light produced by said light source and forming light channels for each point of said light emitting diode matrix, said light channels each having a first end facing said light source and a second end at a light exit opening of said optical device, and a positive lens arranged at the first end of each of said light channels;
an image reproduction apparatus including light valves arranged proximate the light exit opening of said optical device; and
a diffusing screen arranged between the image reproduction apparatus and the light exit opening. - View Dependent Claims (7, 8, 9, 10)
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Specification