Laser array, laser light source and laser projection device
First Claim
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1. A laser array comprising:
- at least one line of lasers, the at least one line of lasers comprising at least two first lasers, a second laser, a fourth laser and a fifth laser, wherein the second laser is positioned between two of the at least two first lasers, and the fourth laser is adjacent to the fifth laser;
wherein the at least two first lasers are configured to emit a first laser beam, and the second laser are configured to emit a second laser beam;
wherein the fourth laser is configured to emit a fourth laser beam, the fifth laser is configured to emit a fifth laser beam;
wherein the first laser beam and the second laser beam are both within wavelengths of a first color, and wherein a first wavelength of the first laser beam is less than a second wavelength of the second laser beam; and
wherein the fourth laser beam and the fifth laser beam are both within wavelengths of a second color, and the second color being different from the first color, wherein a fourth wavelength of the fourth laser beam is less than a fifth wavelength of the fifth laser beam.
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Abstract
A laser array including at least one line of lasers. The at least one line of lasers includes a first laser and a second laser which are adjacent to each other. A first laser beam emitted by the first laser and a second laser beam emitted by the second laser are both in a first color, and the first laser beam has a wavelength less than that of the second laser beam.
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Citations
19 Claims
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1. A laser array comprising:
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at least one line of lasers, the at least one line of lasers comprising at least two first lasers, a second laser, a fourth laser and a fifth laser, wherein the second laser is positioned between two of the at least two first lasers, and the fourth laser is adjacent to the fifth laser; wherein the at least two first lasers are configured to emit a first laser beam, and the second laser are configured to emit a second laser beam; wherein the fourth laser is configured to emit a fourth laser beam, the fifth laser is configured to emit a fifth laser beam; wherein the first laser beam and the second laser beam are both within wavelengths of a first color, and wherein a first wavelength of the first laser beam is less than a second wavelength of the second laser beam; and wherein the fourth laser beam and the fifth laser beam are both within wavelengths of a second color, and the second color being different from the first color, wherein a fourth wavelength of the fourth laser beam is less than a fifth wavelength of the fifth laser beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A laser projection device, comprising:
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a laser light source; an imaging element configured to receive a laser beam emitted by the laser light source and generate a projection beam according to a received video signal; a projection lens configured to project the projection beam onto a display surface to display an image; wherein, the laser light source comprises; a laser array comprising at least one line of lasers, wherein the at least one line of lasers comprises at least two first lasers, a second laser, a fourth laser and a fifth laser, wherein the second laser is positioned between the two first lasers, and the fourth laser is adjacent to the fifth laser; wherein the at least two first lasers are configured to emit a first laser beam, and the second laser are configured to emit a second laser beam; wherein the fourth laser is configured to emit a fourth laser beam, the fifth laser is configured to emit a fifth laser beam; wherein the first laser beam and the second laser beam are both within wavelengths of a first color, and wherein a first wavelength of the first laser beam is less than a second wavelength of the second laser beam; wherein the fourth laser beam and the fifth laser beam are both within wavelengths of a second color, and the second color being different from the first color, wherein a fourth wavelength of the fourth laser beam is less than a fifth wavelength of the fifth laser beam; at least one collimating lens set configured to collimate laser beams emitted from the laser array into collimated laser beams; and at least one converging lens set configured to converge the collimated laser beams. - View Dependent Claims (15, 16)
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17. A laser array comprising:
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at least one line of lasers, wherein the at least one line of lasers comprises at least a first laser, a second laser, a fourth laser and a fifth laser, the first laser is positioned adjacent to the second laser, and the fourth laser is adjacent to the fifth laser; a first laser beam emitted by the first laser and a second laser beam emitted by the second laser are both in a first color, a fourth laser beam emitted by the fourth laser and a fifth laser beam emitted by the fifth laser are both in a second color, and the second color being different from the first color;
a first wavelength of the first laser beam is less than a second wavelength of the second laser beam, and a fourth wavelength of the fourth laser beam is less than a fifth wavelength of the fifth laser beam;
each laser in the at least one line of lasers comprises a light-emitting chip;a metal substrate; and at least one metal strip fixed on the metal substrate, wherein light-emitting chips are fixedly connected to the at least one metal strip, and the light-emitting chips are configured to emit light in a direction away from the metal substrate.
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18. A laser array comprising:
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a line of lasers, wherein each laser of the line of lasers comprises a light-emitting chip; wherein the line of lasers comprises a first laser, a second laser, a fourth laser and a fifth laser, the first laser is positioned adjacent to the second laser, the fourth laser is adjacent to the fifth laser; wherein the first laser is configured to emit a first laser beam, the second laser is configured to emit a second laser beam, the fourth laser is configured to emit a fourth laser beam, the fifth laser is configured to emit a fifth laser beam; and wherein the first laser beam and the second laser beam are both within wavelengths of a blue color, the fourth laser beam and the fifth laser beam are both within wavelengths of a red color, and; wherein a first wavelength of the first laser beam is less than a second wavelength of the second laser beam, a fourth wavelength of the fourth laser beam is less than a fifth wavelength of the fifth laser beam; a metal substrate; and a metal strip fixed on the metal substrate, wherein, the light-emitting chip is fixedly connected to the metal strip, and the light-emitting chips are configured to emit light in a direction away from the metal substrate. - View Dependent Claims (19)
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Specification