IP Library Granted Patent US 12669235
Granted Patent B2
US 12669235 · App. 18/617,648 · Granted Jun 30, 2026

System for generating collimated non-coherent bright light using a plurality of optical elements

Inventors: Daniel M. Joseph (Winter Garden, FL); Veronica Chen (Stanford, FL); Jessica Klouda (Winter Garden, FL)
Assignee: Disney Enterprises, Inc.
F21V13/12F21V5/04F21V9/14F21V9/30F21Y2115/30
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Quick Facts
Patent No.
US 12669235
App. No.
18/617,648
Granted
Jun 30, 2026
Kind
B2
Abstract

A system, comprising: a first array of lasers; a first linear polarizer; a second array of lasers; a second linear polarizer provided at an angle with respect to the first linear polarizer; a first beamsplitter coupled to the first linear polarizer; a phosphor assembly; a collimator lens; a third linear polarizer; a second beamsplitter coupled to the third linear polarizer; and a telephoto lens.

Claims (61)

1 . A system, comprising:

a first array of lasers to emit a first light;

a first linear polarizer to receive the first light;

a second array of lasers to emit a second light;

a second linear polarizer to receive the second light, the second linear polarizer provided at an angle with respect to the first linear polarizer;

a phosphor assembly positioned in optical communication with the first array of lasers and the second array of lasers to receive the first light and the second light and generate a non-coherent light; and

a collimator lens to collimate the non-coherent light to obtain collimated non-coherent light.

2 . The system of claim 1 , further comprising a cooling component adapted to cool the phosphor assembly.

3 . The system of claim 1 , wherein the phosphor assembly includes a yellow phosphor.

4 . The system of claim 1 , wherein the first array of lasers is provided at an orthogonal angle with respect to the second array of lasers.

5 . A system, comprising:

a first array of lasers adapted to emit first light;

a first linear polarizer adapted to polarize the first light, forming polarized first light;

a second array of lasers adapted to emit second light;

a second linear polarizer adapted to polarize the second light, forming polarized second light;

a first beamsplitter, coupled to the first linear polarizer, adapted to:

receive the polarized first light from the first linear polarizer and transmit at least a portion of the polarized first light as transmitted first light, and

receive the polarized second light from the second linear polarizer and reflect at least a portion of the polarized second light as reflected second light;

a phosphor assembly adapted to:

receive a combination of light comprising the transmitted first light and the reflected second light, and

generate, in response to receiving the combination of light, non-coherent light;

a first lens adapted to receive the non-coherent light and collimate the non-coherent light to generate collimated non-coherent light;

a second beamsplitter adapted to receive the collimated non-coherent light and reflect at least a portion of the collimated non-coherent light; and

a second lens adapted to receive the at least a portion of the collimated non-coherent light reflected from the second beamsplitter and output focused collimated non-coherent light.

6 . The system of claim 5 , wherein:

the transmitted first light and the reflected second light include light of a first color; and

the phosphor assembly is adapted to absorb a wavelength of the light of the first color to generate non-coherent light of a second color.

7 . A system, comprising:

a plurality of arrays of lasers comprising a first array of lasers to emit a first light and a second array of lasers to emit a second light;

a plurality of linear polarizers comprising a first linear polarizer to receive the first light and a second linear polarizer to receive the second light; and

a phosphor assembly to receive a combination light of the first light and the second light and adjust at least one of a wavelength of the combination light or a divergence of the combination light to generate a converted light.

8 . The system of claim 7 , further comprising a first beamsplitter configured to:

receive the first light and the second light from the plurality of linear polarizers;

transmit at least a portion of the first light as a transmitted first light; and

reflect at least a portion of the second light as a reflected second light, the combination light formed by the transmitted first light and the reflected second light.

9 . The system of claim 8 , further comprising:

a collimator lens configured to receive the converted light and collimate the converted light to obtain collimated converted light;

a second beamsplitter configured to receive the collimated converted light and reflect at least a portion of the collimated converted light; and

a telephoto lens configured to:

receive the at least a portion of the collimated converted light reflected by the second beamsplitter,

focus the at least a portion of the collimated converted light to obtain focused collimated converted light, and

output the focused collimated converted light.

10 . The system of claim 9 , further comprising:

a cooling component adapted to cool the phosphor assembly; and

a third linear polarizer adapted to receive the collimated converted light from the collimator lens and provide the collimated converted light to the second beamsplitter.

11 . The system of claim 8 , wherein the plurality of linear polarizers include a first linear polarizer to receive the first light, the first linear polarizer coupled to the first beamsplitter.

12 . The system of claim 11 , wherein the plurality of linear polarizers include a second linear polarizer to receive the second light, the first beamsplitter to appear as an opaque surface to the second linear polarizer.

13 . The system of claim 7 , wherein the phosphor assembly adjusts the divergence of the combination light and the converted light is non-coherent light.

14 . The system of claim 13 , wherein the phosphor assembly is adapted to perform light conversion on the first light and the second light to generate the non-coherent light.

15 . The system of claim 7 , wherein the first light and the second light include light of a first color, the phosphor assembly to adjust the wavelength of the combination light having the first color to generate the converted light to include light of a second color, the second color different from the first color.

16 . The system of claim 7 , wherein:

the first array of lasers includes a first laser light to emit the first light;

the second array of lasers includes a second laser light to emit the second light; and

the first light is emitted at an angle orthogonal to the second light.

17 . The system of claim 1 , further comprising a first beamsplitter coupled to the first linear polarizer.

18 . The system of claim 17 , further comprising:

a third linear polarizer to receive the collimated non-coherent light;

a second beamsplitter coupled to the third linear polarizer to receive the collimated non-coherent light and reflect at least a portion of the collimated non-coherent light; and

a telephoto lens to receive the at least a portion of the collimated non-coherent light reflected from the second beamsplitter and focus the at least a portion of the collimated non-coherent light reflected to obtain focused collimated non-coherent light.

19 . The system of claim 5 , further comprising a third linear polarizer positioned between the phosphor assembly and the first beamsplitter, the third linear polarizer adapted to receive the combination of light.

20 . The system of claim 5 , further comprising a cooling component to cool the phosphor assembly, wherein the phosphor assembly comprises a heatsink component to absorb heat generated by the transmitted first light and the reflected second light.