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3D projection assembly, 3D projector and display system

A 3D projector and projection component technology, applied in the field of 3D projection, can solve the problems of high cost and complex structure of 3D projection equipment, and achieve the effect of solving high cost, enhancing 3D projection effect, and solving complex structure.

Active Publication Date: 2021-06-18
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem of complex structure and high cost of 3D projection equipment, the present invention provides a 3D projection component, 3D projector and display system to realize the synchronization of two sets of pictures Display, enhanced 3D projection effect

Method used

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  • 3D projection assembly, 3D projector and display system
  • 3D projection assembly, 3D projector and display system
  • 3D projection assembly, 3D projector and display system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 A schematic structural diagram of a 3D projection assembly is shown, such as figure 1 As shown, the present embodiment provides a 3D projection assembly, including:

[0043] light source 1;

[0044] The first polarizing beam splitter 2 (PBS prism, polarization beam splitter) is arranged in front of the light source 1, and is used to separate the light emitted by the light source 1 into two beams of linearly polarized light that are vertical in space;

[0045] The first display panel 3 and the second display panel 11 are respectively attached to the two light-emitting surfaces of the first polarizing beam splitter prism 2, respectively receive one beam of linearly polarized light in the two beams of linearly polarized light and convert one beam of linearly polarized light The polarization direction is deflected;

[0046] The first reflective mirror 4 and the second reflective mirror 10 are used to reflect the outgoing light of the first display panel 3 and th...

Embodiment 2

[0067] This embodiment provides a 3D projector, including the 3D projection component of Embodiment 1. For the specific content of the 3D projection component, please refer to Embodiment 1, which will not be repeated here.

[0068] The 3D projector of this embodiment can realize 3D projection of a single light source by forming a light path with a simple structure through the optical characteristics between two display panels, two PBS prisms and two mirrors.

Embodiment 3

[0070] This embodiment provides a display system, including:

[0071] The 3D projection assembly of Embodiment 1 or the 3D projector of Embodiment 2;

[0072] The projection screen 8 is used to project the outgoing light of the second polarizing beam splitter 5 to form a projected picture; and

[0073] The imaging glasses 9 are used to reflect the projected picture into human eyes.

[0074] In the display system of this embodiment, the light emitted by the light source 1 is separated into P light and S light which are vertical in space through the first polarizing beam splitter 2, the P light is incident on the first display panel 3, the S light is incident on the second display panel 11, and the second A display panel 3 and a second display panel 11 respectively deflect the polarization directions of the P light and the S light to display images for the left and right eyes respectively, and then pass through the first reflector 4 and the second reflector 10 to respectively d...

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Abstract

The invention provides a 3D projection assembly, a 3D projector and a display system, and the 3D projection assembly comprises: a light source; a first polarization splitting prism which is used for separating the light emitted by the light source into two beams of linearly polarized light which are spatially vertical; a first display panel and a second display panel which respectively receive one beam of linearly polarized light in the two beams of linearly polarized light and deflect the polarization direction of one beam of linearly polarized light; a first reflective mirror and a second reflective mirror which are used for reflecting emergent light rays of the first display panel and the second display panel to the second polarization splitting prism; and the second polarization splitting prism, wherein emergent rays of the first display panel and the second display panel coincide with the polarization beam splitting dielectric film of the second polarization beam splitting prism. Through optical characteristics among the two display panels, the two PBS prisms and the two reflectors, 3D projection of a single light source and synchronous display of two groups of pictures can be realized, the 3D projection effect is enhanced, and the problems that 3D projection equipment is complex in structure and high in manufacturing cost are solved.

Description

technical field [0001] The invention relates to the technical field of 3D projection, in particular to a 3D projection component, a 3D projector and a display system. Background technique [0002] The principle of 3D projection technology (3D projection) to realize 3D display is to send different images to the left and right eyes of people respectively, and after being synthesized by the brain, the viewer can feel the three-dimensional effect of the picture. [0003] At present, 3D projectors mainly include shutter type, polarized light type and color difference type: [0004] (1) Shutter-type 3D projectors are high-end video glasses designed using shutter-type 3D display technology. The structure is complex. The 3D effect is mainly achieved by increasing the fast refresh rate of the screen (usually up to 120Hz). The disadvantage is that the brightness is greatly reduced. Eyes are prone to fatigue, the structure of glasses is complex and expensive, and frequent charging is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B30/25G03B21/20G03B21/28
CPCG02B30/25G03B21/2073G03B21/28
Inventor 王宇杰王光泉张伟王金刚黄玮
Owner BOE TECH GRP CO LTD
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