Methods and systems for full-color three-dimensional image display

• US 9,507,167 B2
• Filed: 04/17/2014
• Issued: 11/29/2016
• Est. Priority Date: 10/01/2007
• Status: Expired due to Fees

• Current Assignee: Doubleshot, Inc.
• Original Assignee: Doubleshot, Inc.
• Inventors: Scott, Miles L., Shulman, Alan
• Primary Examiner(s): Sajous, Wesner
• Application Number:
  US14/255,591
• Publication Number:
  US 20140226095A1
• Time in Patent Office: 957 Days
• Field of Search: 345/419, 345/690, 345/214, 345/22, 345/39, 345/63, 345 76- 77, 345/102, 348/68, 348/70, 348/269, 348/739, 348/801
• US Class Current: 1/1
• CPC Class Codes: G02B 30/23 using wavelength separation, e.g. using anaglyph techniques
• CPC Class Codes: G02B 30/24 involving temporal multiplexing, e.g. using sequentially activated left and right shutters
• CPC Class Codes: G09G 2320/0209 Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
• CPC Class Codes: G09G 2320/0247 Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
• CPC Class Codes: G09G 3/003 to produce spatial visual effects
• CPC Class Codes: G09G 3/3413 Details of control of colour illumination sources
• CPC Class Codes: G09G 3/36 using liquid crystals
• CPC Class Codes: H04N 13/144 for flicker reduction
• CPC Class Codes: H04N 13/334 using spectral multiplexing

Abstract

Methods and systems for displaying full-color three-dimensional imagery are provided. A first color set, having a first color spectrum, is defined to include a first set of LEDs. The first color set is assigned to a first color-coded image perspective. A second color set, having a second color spectrum, is defined to include a second set of LEDs. The second color set is assigned to a second color-coded image perspective. The full-color three-dimensional imagery is caused by activating, alternatively, at least two LEDs of the first color set or the second color set and one LED of a remaining color set and displaying the three-dimensional image based on the first image perspective and the second image perspective.

Claims

1. A display apparatus with modes for displaying two-dimensional or three-dimensional imagery, the apparatus comprising:

a controller;

a bus;

a liquid crystal display;

a light guide; and

a backlight comprising first red LEDs, first green LEDs, first blue LEDs, second red LEDs, second green LEDs, and second blue LEDs, wherein at least one of;

a spectral peak of the first red LEDs differs from a spectral peak of the second red LEDs;

a spectral peak of the first blue LEDs differs from a spectral peak of the second blue LEDs; and

a spectral peak of the first green LEDs differs from a spectral peak of the second green LEDs;

wherein, when in a three-dimensional display mode, the first red LEDs, first green LEDs, and first blue LEDs correspond to a first color-coded image perspective, and the second red LEDs, second green LEDs, and second blue LEDs correspond to a second color-coded image perspective, and

wherein, when in a two-dimensional display mode, the first red LEDs, first green LEDs, first blue LEDs, second red LEDs, second green LEDs, and second blue LEDs correspond to a single image perspective, the first red LEDs, the first green LEDs, and the first blue LEDs correspond to first image pixels; and

the second red LEDs, the second green LEDs, and the second blue LEDs correspond to second image pixels.

2. The display apparatus of claim 1, wherein, in the three-dimensional display mode, the first color-coded image perspective and the second color-coded image perspective correspond to a right-eye image and a left-eye image, respectively.

3. The display apparatus of claim 1, wherein the first red LEDs, first green LEDs, and first blue LEDs are distributed in an interleaved pattern with the second red LEDs, second green LEDs, and second blue LEDs.

4. The display apparatus of claim 1, wherein the first red LEDs, first green LEDs, first blue LEDs, second red LEDs, second green LEDs, and second blue LEDs are distributed in a pseudo random pattern.