Laser projection method and laser projector

A laser projector and laser projection technology, applied in the field of projection, can solve the problems of poor quality of projected images and low color temperature consistency, and achieve the effect of improving quality and color temperature consistency

Active Publication Date: 2019-03-22
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of low color temperature consistency and poor projected image quality in the prior art, an embodiment of the present invention provides a laser projection method and a laser projector

Method used

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  • Laser projection method and laser projector
  • Laser projection method and laser projector

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] figure 1 is an environmental schematic diagram of a laser projection method provided by an embodiment of the present invention, such as figure 1 As shown, the laser light emitted by the laser projector 10 can form a projection image on the projection surface 20, and the projection surface 20 can be a wall or a curtain, which will not be described in detail in this embodiment of the present invention.

[0031] Such as figure 2 as shown, figure 2 is like figure 1 A schematic diagram of the internal structure of the laser projector 10 shown, as figure 2 As shown, the laser projector 10 may include: an optical-mechanical module and a light source module, wherein the optical-mechanical module may include a data micromirror dev...

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Abstract

The invention discloses a laser projection method and a laser projector and belongs to the projection field. The method comprises the following steps of acquiring a target light source brightness value of the laser projector, wherein the laser projector includes a light source module; the light source module includes at least one laser; and the light source module can emit at least one color of light; according to the target light source brightness value, inquiring a corresponding relation of a preset brightness value and a driving current value and determining a target driving current value corresponding to the target light source brightness value, wherein the corresponding relation is used for recording that the light source brightness values of the laser projector are n brightness values respectively and recording the driving current value of the corresponding laser in a period of generating each color of light when a color temperature value of synthesis light synthesized by the at least one color of light is a target color temperature value; and adjusting the driving current value corresponding to the each color of light to the target driving current value. In the prior art, color temperature consistency is low. By using the method and the projector of the invention, the above problem is solved. And the method and the projector of the invention are used for laser projection.

Description

technical field [0001] The invention relates to the projection field, in particular to a laser projection method and a laser projector. Background technique [0002] A laser projector is a projector that uses a laser beam to transmit a projected image, and mainly includes components such as a light source module and an optical-mechanical module. [0003] The light source module of a laser projector usually includes a laser and a fluorescent wheel as a wavelength conversion device. The laser can be a single-color laser or a two-color laser, which emits laser light of one or two colors. The phosphor wheel is provided with phosphor powder, which can be excited to emit fluorescence of the corresponding color, which is used to match the color of the laser light emitted by the laser. Together they form the three primary colors, which serve as a projection light source to provide illumination to the light-mechanical part. [0004] The brightness of the projection light source det...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/20
CPCG03B21/2033G03B21/2053
Inventor 董玉珍
Owner HISENSE VISUAL TECH CO LTD
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