Laser Based Display Method and System
First Claim
1. A projection system comprising:
- an interface for receiving images or video signal;
a light source including a plurality of laser diodes, the plurality of laser diodes including a first laser diode, the first laser diode being non-polar or semi-polar and fabricated from gallium nitride material; and
a power source electrically coupled to the light source.
3 Assignments
0 Petitions
Accused Products
Abstract
The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.
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Citations
56 Claims
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1. A projection system comprising:
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an interface for receiving images or video signal; a light source including a plurality of laser diodes, the plurality of laser diodes including a first laser diode, the first laser diode being non-polar or semi-polar and fabricated from gallium nitride material; and a power source electrically coupled to the light source. - View Dependent Claims (2, 3, 4, 5)
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6. A projection system comprising:
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an interface for receiving images or video signal; a light source including one or more LEDs, the one or more LEDs including a first LED, the first LED being non-polar or semi-polar and fabricated from gallium nitride material; and a power source electrically coupled to the light source.
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7. A light engine comprising:
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a communication interface for receiving drive signals; a light source including one or more LEDs, the one or more LEDs including a first LED, the first LED being non-polar or semi-polar and fabricated from gallium nitride material; and a power source electrically coupled to the light source.
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8. A light engine comprising:
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a communication interface for receiving drive signals; a light source including a plurality of laser diodes, the plurality of laser diodes including a first laser diode, the first laser diode being non-polar or semi-polar and fabricated from gallium nitride material; and a power source electrically coupled to the light source. - View Dependent Claims (9, 10)
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11. A light engine comprising:
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a communication interface for receiving drive signals; a light source including a plurality of light emitting diodes (LED), the plurality of LEDs including a first LED, the LED being non-polar or semi-polar and fabricated from gallium nitride material; and a power source electrically coupled to the light source.
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12. A projection apparatus comprising:
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a housing having an aperture; an input interface for receiving one or more frames of images; a video processing module; a laser source, the laser source including a blue laser diode, a green laser diode, and a red laser diode, the blue laser diode and the green laser diode sharing a first mounting surface, the green laser diode having a wavelength of about 490 nm to 540 nm, the laser source being configured to produce a laser beam by combining outputs from the blue, green, and red laser diodes; a laser driver module coupled to the laser source, the laser driver module being configured to generate three drive currents based on a pixel from the one or more frames of images, each of the three drive currents being adapted to drive a laser diode; an MEMS scanning module configured to project the laser beam to a specific location through the aperture; an optical member provided within proximity of the laser source, the optical member being adapted to direct the laser beam to the MEMS scanning module; and a power source electrically coupled to the laser source. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A projection apparatus comprising:
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a housing having an aperture; an input interface for receiving one or more frames of images; a laser source, the laser source including a blue laser diode, a green laser diode, and a red laser diode, the blue laser diode and the green laser diode sharing a first mountain surface, the green laser diode having a wavelength of about 490 nm to 540 nm, the laser source being configured produce a laser beam by combining outputs from the blue, green, and red laser diodes; a digital light processing chip comprising a digital mirror device, the digital mirror device including a plurality of mirrors, each of the mirror corresponding to one or more pixels of the one or more frames of images; a power source electrically coupled to the laser source. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36)
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37. A projection apparatus comprising:
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a housing having an aperture; an input interface for receiving one or more frames of images; a laser source including a blue laser diode and a wavelength modifying module, the blue laser diode being a non-polar diode, the wavelength modifying module comprising phosphor material, the laser exciting the phosphor material to form a colored emission source; a digital light processing chip comprising a digital mirror device, the digital mirror device including a plurality of mirrors, each of the mirror corresponding to one or more pixels of the one or more frames of images; means for directing light from the blue laser diode and the colored emission sources to the digital mirror device; and a power source electrically coupled to the laser source and the digital light processing chip.
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38. A projection apparatus comprising:
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a housing having an aperture; an input interface for receiving one or more frames of images; a laser source including a blue laser diode and a wavelength modifying module, the blue laser diode being a semi-polar diode, the wavelength modifying comprising phosphor material, the laser exciting the phosphor material to form a colored emission source; a digital light processing chip comprising a digital mirror device, the digital mirror device including a plurality of mirrors, each of the mirror corresponding to one or more pixels of the one or more frames of images; means for directing light from the blue laser diode and the colored emission sources to the digital mirror device; and a power source electrically coupled to the laser source and the digital light processing chip.
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39. A projection apparatus comprising:
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a first video source, the first video source being associated with a first display, the first video source including a first light source, the first light source including a first blue laser diode characterized by a predetermined first wavelength, the first blue laser diode being manufactured from gallium nitride containing material; a second video source, the second video source being associated with a second display, the first video source and the second video source being temporally synchronized, the second video source including a second light source, the second light source including a second blue laser diode characterized by a predetermined second wavelength, the second blue laser diode being manufactured gallium nitride material; and a power source electrically coupled to the first video source. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A projection system comprising:
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one or more LCOS panels; a plurality of laser diodes configured to emit laser light onto the one or more LCOS panels, the plurality of laser diodes including a first laser diode, the first laser diode being characterized by a non-polar or semi-polar orientation; and a power source electrically coupled to the plurality of laser diodes.
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51. A projection system comprising:
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one or more LCOS panels; a plurality of LEDs configured to emit light onto the one or more LCOS panels, the plurality of LEDs including a first LED, the first LED being characterized by a non-polar or semi-polar orientation; and a power source electrically coupled to the plurality of laser diodes.
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52. A projection apparatus comprising:
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a housing having an aperture; an input interface for receiving one or more frames of images; a light source, the light source including a blue laser diode, the blue laser diode being characterized by a semi-polar or non-polar orientation and manufactured from gallium containing material; a digital light processing chip comprising a digital mirror device, the digital mirror device including a plurality of mirrors, each of the mirror corresponding to one or more pixels of the one or more frames of images; a color wheel comprising a plurality of wavelength-modifying components, a plurality of wavelength-modifying components including a first component, the first component including phosphor material and corresponding to a predetermined time sequence; and a power source electrically coupled to the light source and the digital light processing chip. - View Dependent Claims (53, 54, 55, 56)
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Specification