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Manufacturing methods for embedded optical system

A technology of an optical system and a manufacturing method, applied in optical components, household appliances, other household appliances, etc., can solve problems such as unusable embedded optical systems

Inactive Publication Date: 2008-03-26
THE MICROOPTICAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this case the curable mixture is semi-solid and cannot be used in embedded optical systems such as head-mounted displays

Method used

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  • Manufacturing methods for embedded optical system
  • Manufacturing methods for embedded optical system
  • Manufacturing methods for embedded optical system

Examples

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Embodiment Construction

[0026] FIG. 1 shows a pair of spectacles 10 having two spectacle lenses 12 held in a spectacle frame 14 . In one lens, an optical element or component 16 is embedded to receive an image from a display 18 and transmit the image to the user's eyeglasses. Figure 1 shows a see-through system, where the wearer can also view the ambient scene through optical elements. Fig. 2 is similar to Fig. 1 but shows a see-around system in which the embedded optics 14' block a portion of the light from the ambient scene and the ambient scene is visible around the optics. Optical elements such as lenses, mirrors, beam splitters and polarizers are individually formed in any manner known in the art. The elements are then embedded in the lens as described below.

[0027] To avoid contamination on embedded optics, the optical elements to be embedded must be cleaned prior to the embedding process. See Step 1 in Figure 4. Cleaning can be accomplished in any suitable manner known in the art. Depen...

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Abstract

A method for producing a solid optical system with embedded elements is provided. The embedded elements may include inorganic, polymer, or hybrid lenses, mirrors, beam splitters and polarizers, or other elements . The embedding material is a transparent high quality optical polymer.

Description

Background technique [0001] Manufacturing optical systems such as head-mounted displays often requires the assembly of multiple optical components. See, eg, US Patent Publication Nos. 6,538,624; 6,462,882; 6,147,807. Some optical system configurations include air gaps between optical components. This creates a need for a housing to maintain mechanical alignment of the components and a method to protect the inside surfaces of the components from dirt, oil and other contaminants. Other optical systems allow the gap to be filled by some other medium. For example, these systems are built by embedding reflective, diffractive, polarizing or other optical elements in light-transmitting solid media. See, eg, US Patent Publication Nos. 5,886,822, 6,091,546, and 6,384,982. One advantage of this approach is that the resulting system is a single solid state component. The relative positions of the components are permanently fixed and there are no exposed surfaces to become contaminat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D11/00
CPCB29C39/42B29D11/00009B29C39/405B29C43/18B29K2709/08B29C39/006B29D11/00
Inventor E·吉勒N·M·伦辛P·M·扎夫兰斯基
Owner THE MICROOPTICAL CORP