IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0578544
(2009-10-13)
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등록번호 |
US-8547295
(2013-10-01)
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발명자
/ 주소 |
- Vidal, Marcial
- Li, Haizhang
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출원인 / 주소 |
- Video Display Corporation
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
8 |
초록
▼
A light-emissive module (114), typically utilizing one or more LEDs (132R, 132G, and 132B), is configured so that the maximum intensity of the module's light emission occurs along a direction (138) materially non-perpendicular to the back surface (136) of the module's supporting body (130). An activ
A light-emissive module (114), typically utilizing one or more LEDs (132R, 132G, and 132B), is configured so that the maximum intensity of the module's light emission occurs along a direction (138) materially non-perpendicular to the back surface (136) of the module's supporting body (130). An active image-generating screen (102) contains a plurality of block facets (112), each containing a plurality of the light-emissive modules arranged so that their maximum light-intensity directions are largely the same. The block facets are configured to approximate a curved surface. The maximum light-intensity directions (158) of the block facets are thus materially slanted to one another. The image-generating screen presents a video image. A display system suitable for a motion simulator, such as a flight simulator, is formed by combining the screen with a reflective collimator (104).
대표청구항
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1. A display system comprising: an image-generating screen comprising a plurality of light-emissive components connected together for actively generating an image, each light-emissive component having a light-providing surface and a further surface, referred to as the back surface, generally opposit
1. A display system comprising: an image-generating screen comprising a plurality of light-emissive components connected together for actively generating an image, each light-emissive component having a light-providing surface and a further surface, referred to as the back surface, generally opposite the light-providing surface, light emitted from each light-emissive component emanating from its light-providing surface with an intensity having a maximum that occurs in a maximum light-intensity direction materially non-perpendicular to that component's back surface, the components' back surfaces being materially slanted relative to one another so as to approximate a three-dimensional curved surface whereby the components' maximum light-intensity directions are materially slanted relative to one another and;a collimator having a curved surface for reflectively collimating light emitted from the light-emissive components and provided from the image-generating screen in order to substantially replicate the image, the curved surface of the collimator being tilted relative to the curved surface approximated by the back surfaces of the light-emissive components, the maximum light-intensity directions of the light-emissive components differing from being respectively perpendicular to the components' back surfaces by angles that collectively largely match the tilt of the curved surface of the collimator relative to the curved surface approximated by the components' back surfaces. 2. A display system as in claim 1 wherein the light-emissive components are, as a group, shaped approximately like a thin shell. 3. A display system as in claim 1 wherein the curved surface approximated by the back surfaces of the light-emissive components is of spherical curvature. 4. A display system as in claim 3 wherein the curved surface of the collimator is approximately spherical. 5. A display system as in claim 1 wherein the angles by which the maximum light-intensity directions of the light-emissive components differ from being respectively perpendicular to the components' back surfaces are approximately equal. 6. A display system as in claim 1 wherein each light-emissive component comprises a plurality of modules each comprising: a supporting body having a mounting surface and a further surface, referred to as the back surface, generally opposite the mounting surface; anda light-providing device, mounted on the body's mounting surface, for providing light at an intensity having a maximum that occurs largely in that component's maximum light-intensity direction. 7. A display system as in claim 6 wherein the back surfaces of the supporting bodies of the modules in each light-emissive component extend largely parallel to one another and materially non-perpendicular to that component's maximum light-intensity direction. 8. A display system as in claim 6 wherein: the modules of each light-emissive component are arranged in rows and columns; andthe mounting surfaces of the supporting bodies of the modules in each column of modules in that component extend generally in respective largely coplanar planes spaced apart from one another. 9. A display system as in claim 8 wherein the mounting surfaces of the supporting bodies of the modules in each row of modules in each light-emissive component are largely coplanar. 10. A display system as in claim 6 wherein the light-providing device of each module comprises at least one light-emissive element for emitting light of largely a selected color. 11. A display system as in claim 10 wherein each light-emissive element comprises a light-emitting diode. 12. A display system as in claim 6 wherein the light-providing device of each module comprises three light-emissive elements which respectively emit light of three selected colors capable of being combined to produce white light. 13. A display system as in claim 6 wherein the three selected colors of light provided by each module's light-providing device are red, green, and blue. 14. A display system as in claim 6 wherein the supporting bodies contain electronic circuitry for controlling light provided from the light-providing devices. 15. A display system comprising: a curved image-generating screen comprising a multiplicity of light-emitting diodes (“LEDs”) for generating an image, the LEDs being deployed among a plurality of light-emissive components connected together, each light-emissive component having a light-emissive surface and a further surface, referred to as the back surface, generally opposite the light-emissive surface, light emanating from the light-emissive surface of each light-emissive component with an intensity having a maximum that occurs in a maximum light-intensity direction materially non-perpendicular to that component's back surface, the components' back surfaces being materially slanted relative to one another so as to approximate a three-dimensional curved surface of spherical curvature whereby the components' maximum light-intensity directions are materially slanted relative to one another; anda collimator having a curved surface of approximately spherical curvature for reflectively collimating light provided from the LEDs and emitted from the light-emissive components in order to substantially replicate the image, the curved surface of the collimator being tilted relative to the curved surface approximated by the back surfaces of the light-emissive components, the maximum light-intensity directions of the light-emissive components differing from being respectively perpendicular to the components' back surfaces by angles that collectively largely match the tilt of the curved surface of the collimator relative to the curved surface approximated by the components' back surfaces. 16. A display system as in claim 15 wherein the light-emissive components are, as a group, shaped approximately like a thin shell. 17. A display system as in claim 15 wherein the angles by which the maximum light-intensity directions of the light-emissive components differ from being respectively perpendicular to the components' back surfaces are approximately equal. 18. A display system as in claim 15 wherein each light-emissive component comprises a plurality of modules each comprising: a supporting body having a mounting surface and a further surface, referred to as the back surface, generally opposite the mounting surface; anda light-emissive device, mounted on the body's mounting surface, for emitting light at an intensity having a maximum that occurs largely in that component's maximum light-intensity direction, each light-emissive device comprising a different one of the LEDs. 19. A display system as in claim 18 wherein the back surfaces of the supporting bodies of the modules in each light-emissive component extend largely parallel to one another and materially non-perpendicular to that component's maximum light-intensity direction. 20. A display system as in claim 18 wherein: the modules of each light-emissive component are arranged in rows and columns; andthe mounting surfaces of the supporting bodies of the modules in each column of modules in that component extend generally in respective largely coplanar planes spaced apart from one another. 21. A display system as in claim 20 wherein the mounting surfaces of the supporting bodies of the modules in each row of modules in each light-emissive component are largely coplanar. 22. A display system as in claim 18 wherein three of the LEDs are present in the light-emissive device of each module, those three LEDs respectively emitting light of three selected colors capable of being combined to produce white light. 23. A display system as in claim 22 wherein the three selected colors of light provided by the three LEDs in each module's light-emissive device are red, green, and blue. 24. A motion simulator comprising: a display system comprising (a) an image-generating screen comprising a plurality of light-emissive components connected together for actively generating an image, each light-emissive component having a light-providing surface and a further surface, referred to as the back surface, generally opposite the light-providing surface, light emitted from each light-emissive component emanating from its light-providing surface with an intensity having a maximum that occurs in a maximum light-intensity direction materially non-perpendicular to that component's back surface, the components' back surfaces being materially slanted relative to one another so as to approximate a three-dimensional curved surface whereby the components' maximum light-intensity directions are materially slanted relative to one another and (b) a collimator having a curved surface for reflectively collimating light emitted from the light-emissive components and provided from the image-generating screen in order to substantially replicate the image, the curved surface of the collimator being tilted relative to the curved surface approximated by the back surfaces of the light-emissive components, the maximum light-intensity directions of the light-emissive components differing from being respectively perpendicular to the components' back surfaces by angles that collectively largely match the tilt of the curved surface of the collimator relative to the curved surface approximated by the components' back surfaces; anda station for receiving a person such that the person can see the replicated image by receiving light collimated by the collimator after being emitted from the light-emissive components. 25. A simulator as in claim 24 wherein the collimator presents a moving picture as seen from the cockpit of an airplane. 26. A simulator as in claim 24 wherein each light-emissive component comprises a plurality of modules each comprising: a supporting body having a mounting surface and a further surface, referred to as the back surface, generally opposite the mounting surface; anda light-providing device, mounted on the body's mounting surface, for providing light at an intensity having a maximum that occurs largely in that component's maximum light-intensity direction. 27. A simulator as in claim 26 wherein: the modules of each light-emissive component are arranged in rows and columns; andthe mounting surfaces of the supporting bodies of the modules in each column of modules in that component extend generally in respective largely coplanar planes spaced apart from one another. 28. A simulator as in claim 27 wherein the mounting surfaces of the supporting bodies of the modules in each row of modules in each light-emissive component are largely coplanar. 29. A simulator as in claim 26 wherein the light-providing device of each module comprises at least one light-emissive element for emitting light of largely a selected color. 30. A simulator as in claim 26 wherein the light-providing device of each module comprises three light-emissive elements which respectively emit light of three selected colors capable of being combined to produce white light. 31. A simulator as in claim 30 wherein the three selected colors of light provided by each module's light-providing device are red, green, and blue. 32. A simulator as in claim 26 wherein the supporting bodies contain electronic circuitry for controlling light provided from the light-providing devices. 33. A simulator as in claim 24 wherein the curved surface approximated by the back surfaces of the light-emissive components is of spherical curvature. 34. A simulator as in claim 33 wherein the curved surface of the collimator is approximately spherical. 35. A simulator as in claim 24 wherein the angles by which the maximum light-intensity directions of the light-emissive components differ from being respectively perpendicular to the components' back surfaces are approximately equal. 36. A motion simulator comprising: a display system comprising (a) a curved-image-generating screen comprising a multiplicity of light-emitting diodes (“LEDs”) for generating an image, the LEDs being deployed among a plurality of light-emissive components connected together, each light-emissive component having a light-emissive surface and a further surface referred to as the back surface, generally opposite the light-emissive surface, light emanating from the light-emissive surface of each light-emissive component with an intensity having a maximum that occurs in a maximum light-intensity direction materially non-perpendicular to that component's back surface, the components' back surfaces being materially slanted relative to one another so as to approximate a three-dimensional curved surface of spherical curvature whereby the components' maximum light-intensity directions are materially slanted relative to one another, and (b) a collimator having a curved surface of approximately spherical curvature for reflectively collimating light emitted from the light-emissive components and provided from the image-generating screen in order to substantially replicate the image, the curved surface of the collimator being tilted relative to the curved surface approximated by the back surfaces of the light-emissive components, the maximum light-intensity directions of the light-emissive components differing from being respectively perpendicular to the components' back surfaces by angles that collectively largely match the tilt of the curved surface of the collimator relative to the curved surface approximated by the components' back surfaces; anda station for receiving a person such that the person can see the replicated image by receiving light collimated by the collimator after being emitted from the light-emissive components. 37. A simulator as in claim 36 wherein the collimator presents a moving picture as seen from the cockpit of an airplane. 38. A simulator as in claim 36 wherein each light-emissive component comprises a plurality of modules each comprising: a supporting body having a mounting surface and a further surface, referred to as the back surface, generally opposite the mounting surface; anda light-emissive device, mounted on the body's mounting surface, for emitting light at an intensity having a maximum that occurs largely in that component's maximum light-intensity direction, each light-emissive device comprising a different one of the LEDs. 39. A simulator as in claim 38 wherein: the modules of each light-emissive component are arranged in rows and columns; andthe mounting surfaces of the supporting bodies of the modules in each column of modules in that component extend generally in respective largely coplanar planes spaced apart from one another. 40. A simulator as in claim 39 wherein the mounting surfaces of the supporting bodies of the modules in each row of modules in each light-emissive component are largely coplanar. 41. A simulator as in claim 38 wherein three of the LEDs are present in the light-providing device of each module, those three LEDs respectively emitting light of three selected colors capable of being combined to produce white light. 42. A simulator as in claim 41 wherein the three selected colors of light provided by the three LEDs in each module's light-providing device are red, green, and blue. 43. A simulator as in claim 38 wherein the supporting bodies contain electronic circuitry for controlling light provided from the light-emissive devices. 44. A simulator as in claim 36 wherein the angles by which the maximum light-intensity directions of the light-emissive components differ from being respectively perpendicular to the components' back surfaces are approximately equal.
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