Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Double-lens split-screen light splitting optical path and optical equipment

A dual-lens, light-splitting technology, applied in optics, optical components, instruments, etc., can solve problems such as brightness loss, large volume, and complex mass production process

Pending Publication Date: 2021-03-19
深微光电科技(深圳)有限公司
View PDF2 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the use of polarizers and liquid crystal modulators, the brightness will be lost by at least half
Similar patents such as: CN206193432U, the patent needs to use three kinds of modulation chips to modulate separately, plus complex modulation prism, its cost is high, the volume is large, and the mass production process is complicated

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Double-lens split-screen light splitting optical path and optical equipment
  • Double-lens split-screen light splitting optical path and optical equipment
  • Double-lens split-screen light splitting optical path and optical equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be made below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] The dual-lens split-screen beam splitting optical path of the preferred embodiment of the present invention, such as figure 1 shown, see also Figure 2-5 , including a chip 1, a prism 2, a relay lens 3, a main lens 4, a split screen mirror 5, a steering mirror 6 and a sub-lens 7; the prism 2 is used to separate the illumination optical path and the imaging optical path in the light beam e...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a double-lens split-screen light splitting optical path which comprises a chip, a prism, an image transferring lens, a main lens, a split-screen reflector, a steering reflector and an auxiliary lens. The image transferring lens is added at the light emitting position of the prism, an effective display area of a chip is imaged in air on the other side of the image transferring lens, a reflecting mirror is used near the position of a real image to reflect one part of the real image into a light path of a second lens, a screen splitting effect is achieved, and other lightrays pass through the first imaging lens according to an original light path. The chip can realize the overlapping of two scenes at the screen only by displaying respective contents in the corresponding areas, thereby being beneficial to improving the final projection brightness, reducing the cost of optical and electronic components, canceling a polarization modulation optical path, and being small in size and easy for mass production.

Description

technical field [0001] The invention relates to the technical field of double-lens split-screen light splitting, and more specifically, to a double-lens split-screen light path and optical equipment. Background technique [0002] In similar AR HUD and 3D projection displays, two different lenses are generally required to project different scene contents respectively, and finally overlapped together to produce the effect of virtual reality. [0003] At present, the existing solution in AR HUD is to use two display chips, one is DMD or LCOS, and the other is LCD. The two chips share part of the optical path to project scenes with different object distances. Similar patents such as: CN109471262A. The LCD display chip is directly used as a light source, and the divergence angle is very large. Most of the light cannot be collected into the imaging system, resulting in a huge loss of brightness. At the same time, the use of the two chips also increases the complexity of the circ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G02B27/01G02B30/20G02B27/14G02B13/00
CPCG02B13/00G02B27/0101G02B27/14G02B30/20
Inventor 黄国豹黄万周张军黄金周徐壹游
Owner 深微光电科技(深圳)有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com