20240019706. OPTICAL DEVICE FOR AUGMENTED REALITY HAVING A FUNCTION OF ADJUSTING DEPTH OF A VIRTUAL IMAGE simplified abstract (LETINAR CO., LTD)

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OPTICAL DEVICE FOR AUGMENTED REALITY HAVING A FUNCTION OF ADJUSTING DEPTH OF A VIRTUAL IMAGE

Organization Name

LETINAR CO., LTD

Inventor(s)

Jeong Hun Ha of Seoul (KR)

Soon Gi Park of Seoul (KR)

OPTICAL DEVICE FOR AUGMENTED REALITY HAVING A FUNCTION OF ADJUSTING DEPTH OF A VIRTUAL IMAGE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240019706 titled 'OPTICAL DEVICE FOR AUGMENTED REALITY HAVING A FUNCTION OF ADJUSTING DEPTH OF A VIRTUAL IMAGE

Simplified Explanation

The present invention is an optical device for augmented reality that can adjust the depth of a virtual image. It includes a display unit to show the virtual image, focusing optics to refract or reflect the virtual image light, and a reflective unit with multiple reflective modules to provide the virtual image to the user. The device also has an optical means to transmit real object image light to the user's eye, a position adjustment device to move the display unit and focusing optics parallel to the optical axis, a focal length tracking unit to measure the user's focal length, and a control unit to control the movement of the position adjustment device.

  • The device includes a display unit that shows virtual images.
  • Focusing optics are used to refract or reflect the virtual image light.
  • A reflective unit with multiple reflective modules provides the virtual image to the user.
  • An optical means transmits real object image light to the user's eye.
  • A position adjustment device can move the display unit and focusing optics parallel to the optical axis.
  • A focal length tracking unit measures the user's focal length.
  • A control unit controls the movement of the position adjustment device.

Potential applications of this technology:

  • Augmented reality experiences: The optical device can be used to create immersive augmented reality experiences by adjusting the depth of virtual images, enhancing the user's perception of the virtual objects in the real world.
  • Training and simulation: This technology can be utilized in training and simulation scenarios, where virtual objects need to be integrated seamlessly into the real world. The adjustable depth of virtual images can provide a more realistic and interactive training environment.
  • Gaming: The optical device can enhance gaming experiences by overlaying virtual objects onto the real world and adjusting their depth, creating a more immersive and interactive gameplay.

Problems solved by this technology:

  • Limited depth perception in augmented reality: Augmented reality often suffers from limited depth perception, as virtual objects appear flat or detached from the real world. This optical device solves this problem by adjusting the depth of virtual images, making them appear more realistic and integrated into the user's surroundings.
  • Inaccurate focus in augmented reality: Traditional augmented reality devices may not provide accurate focus, leading to blurry or distorted virtual images. The focal length tracking unit in this optical device ensures that the virtual images are in focus, enhancing the overall visual experience.

Benefits of this technology:

  • Enhanced immersion: By adjusting the depth of virtual images, this optical device enhances the user's immersion in augmented reality experiences, making virtual objects appear more realistic and integrated into the real world.
  • Improved visual quality: The focusing optics and focal length tracking unit ensure that the virtual images are in focus, providing a clearer and more visually appealing augmented reality experience.
  • Versatile applications: This technology can be applied in various fields, including entertainment, training, and simulation, offering a wide range of possibilities for immersive and interactive experiences.


Original Abstract Submitted

the present invention provides an optical device for augmented reality having a function of adjusting the depth of a virtual image, the optical device including: a display unit configured to display a virtual image; focusing optics configured to refract or reflect virtual image light; a reflective unit including a plurality of reflective modules configured to provide the virtual image to a user; an optical means provided with the reflective unit installed therein, and configured to transmit real object image light toward a pupil of the user's eye; a position adjustment device configured to move at least one of the display unit and the focusing optics in a direction parallel to the optical axis of the focusing optics; a focal length tracking unit configured to measure the focal length of the user; and a control unit configured to control the movement of the position adjustment device.

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