Three dimensional LCD monitor display

• US 9,325,978 B2
• Filed: 11/09/2012
• Issued: 04/26/2016
• Est. Priority Date: 01/25/2012
• Status: Expired due to Fees

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: DeCusatis, Casimer M.
• Primary Examiner(s): Yodichkas, Aneeta
• Application Number:
  US13/673,462
• Publication Number:
  US 20130187841A1
• Time in Patent Office: 1,264 Days
• US Class Current: 1/1
• CPC Class Codes: H04N 13/324 Colour aspects
• CPC Class Codes: H04N 13/337 using polarisation multiplexing

Abstract

Creating a three dimensional (3D) image on a liquid crystal display (LCD) including providing a light source, a pixel matrix, and a plurality of electrodes for applying a voltage to the pixel matrix. The pixel matrix includes a plurality of first pixels having a first polarization and a plurality of second pixels having a second polarization. A first light is emitted from the light source, and first voltage is applied to at least one of the plurality of first pixels. A second light is emitted from the second light source and a second voltage is applied to at least one of the plurality of second pixels.

Claims

1. A method for creating a three dimensional (3D) image on liquid crystal display (LCD), the method comprising:

providing a light source;

providing a pixel matrix comprising a plurality of first pixels having a first polarization and a plurality of second pixels having a second polarization, the plurality of first pixels comprising liquid crystal molecules of a plurality of colors, the plurality of second pixels comprising liquid crystal molecules of the plurality of colors, and the plurality of first pixels and the plurality of second pixels arranged in a single plane on the pixel matrix, wherein each of the plurality of first pixels is paired and arranged directly adjacent to one of the plurality of second pixels to define a pair of orthogonally polarized pixels, each of the pixels in each of the pair of orthogonally polarized pixels being the same color, wherein each pair of orthogonally polarized pixels is not positioned directly adjacent another pair of orthogonally polarized pixels of the same color;

providing a plurality of electrodes for applying a voltage to the pixel matrix, the plurality of electrodes including vertical electrodes and horizontal electrodes;

projecting a first image, the projecting the first image comprising;

emitting a first light from the light source; and

applying a first voltage to at least one of the plurality of first pixels, the applying the first voltage including using at least one of the vertical electrodes and at least one of the horizontal electrodes that intersect with each other and that are disposed along at least one edge of the at least one of the plurality of first pixels; and

projecting a second image, the projecting the second image comprising;

emitting a second light from the light source subsequent to emitting the first light from the light source; and

applying a second voltage to at least one of the plurality of second pixels, the at least one of the plurality of second pixels being paired with the at least one of the plurality of first pixels, the applying the second voltage including using at least one of the vertical electrodes and at least one of the horizontal electrodes that intersect with each other and that are disposed along at least one edge of the at least one of the plurality of second pixels.

2. The method of claim 1, wherein each pixel in the plurality of first pixels and the plurality of second pixels comprises a single liquid crystal molecule.

3. The method of claim 1, wherein each pixel in the plurality of first pixels and the plurality of second pixels comprises multiple liquid crystal molecules.

4. The method of claim 1, wherein each pixel in the plurality of first pixels and the plurality of second pixels comprises a plurality of liquid crystal molecules of the same color.

5. The method of claim 1, wherein the first voltage is applied to at least one of the plurality of first pixels having liquid crystal molecules of a first color, and the second voltage is applied to at least one of the plurality of second pixels having liquid crystal molecules of the first color.

6. The method of claim 5, further comprising:

emitting a third light from the light source;

applying a third voltage to at least one of the plurality of first pixels having liquid crystal molecules of a second color;

emitting a fourth light from the light source; and

applying a fourth voltage to at least one of the plurality of second pixels having liquid crystal molecules of the second color.

7. The method of claim 6, further comprising:

emitting a fifth light from the light source;

applying a fifth voltage to at least one of the plurality of first pixels having liquid crystal molecules of a third color;

emitting a sixth light from the light source; and

applying a sixth voltage to at least one of the plurality of second pixels having liquid crystal molecules of the third color.

8. The method of claim 7, wherein the LCD is characterized by a frame rate, and the applying the first voltage, applying the second voltage, applying the third voltage, applying the fourth voltage, applying the fifth voltage, and applying the six voltage occurs at twice the frame rate.

9. The method of claim 1, wherein the first polarization is orthogonal to the second polarization.

10. The method of claim 1, wherein the 3D image is configured for viewing with passive eyewear.