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US-12628479-B2 - Controlled angle emissive display

US12628479B2US 12628479 B2US12628479 B2US 12628479B2US-12628479-B2

Abstract

A controlled angle emissive display apparatus includes a planar base structure, and a plurality of array columns coupled to the planar base structure, each array column comprising having an array base having two or more angled sides, and an emissive element secured to at least one of the angled sides of the array base, wherein the plurality of array columns is arranged upon the planar base structure in a repeating pattern.

Inventors

  • Grant Viklund

Assignees

  • Grant Viklund

Dates

Publication Date
20260512
Application Date
20230830

Claims (20)

  1. 1 . A controlled angle emissive display apparatus, comprising: a planar base structure; and a plurality of array columns coupled to the planar base structure, each array column comprising: an array base having two or more angled sides; and an emissive element secured to at least one of the angled sides of the array base; wherein the plurality of array columns is arranged upon the planar base structure in a repeating pattern.
  2. 2 . The controlled angle emissive display apparatus of claim 1 , wherein the plurality of array columns are arranged parallel to one another at regularly spaced intervals.
  3. 3 . The controlled angle emissive display apparatus of claim 1 , wherein the array base has three adjoined angled sides.
  4. 4 . The controlled angle emissive display apparatus of claim 3 , wherein the three adjoined angled sides are configured having an interior angle of about 120° formed between any two of the three adjoined angled sides.
  5. 5 . The controlled angle emissive display apparatus of claim 1 , wherein the array base has five adjoined angled sides arranged having a central angled side adjoined to pairs of angled sides along orthogonal axes about the central angled side.
  6. 6 . The controlled angle emissive display apparatus of claim 5 , wherein the five adjoined angled sides are configured having an interior angle of about 120° formed between the central angled side and each of the paired angled sides.
  7. 7 . The controlled angle emissive display apparatus of claim 1 , wherein the emissive element comprises a light emitting diode (LED).
  8. 8 . The controlled angle emissive display apparatus of claim 1 , wherein the emissive element comprises an organic light emitting diode (OLED) pixel unit.
  9. 9 . A controlled angle emissive display array base apparatus, comprising: a planar base structure; a first planar emissive surface comprising: a first facing angle; a first emissive element; a first side; and a second side; a second planar emissive surface having a second emissive element and a second facing angle; and a third planar emissive surface having a third emissive element and a third facing angle; wherein the first planar emissive surface is coupled to the second planar emissive surface at the first side and the first planar emissive surface is coupled to the third planar emissive surface at the second side in a configuration having the first planar emissive surface displaced from the planar base structure.
  10. 10 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first facing angle of the first planar emissive surface is parallel to a normal axis defined by the planar base structure.
  11. 11 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first planar emissive surface further comprises: a third side; and a fourth side.
  12. 12 . The controlled angle emissive display array base apparatus of claim 11 , further comprising: a fourth planar emissive surface having a fourth emissive element and a fourth facing angle; and a fifth planar emissive surface having a fifth emissive element and a fifth facing angle; wherein the first planar emissive surface is coupled to the fourth planar emissive surface at the third side and the first planar emissive surface is coupled to the fifth planar emissive surface at the fourth side.
  13. 13 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first emissive element, the second emissive element, and the third emissive element each comprise a light emitting diode (LED).
  14. 14 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first emissive element, the second emissive element, and the third emissive element each comprise an organic light emitting diode (OLED) pixel unit.
  15. 15 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first emissive element, the second emissive element, and the third emissive element each comprise a MicroLED unit.
  16. 16 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first emissive element, the second emissive element, and the third emissive element each comprise a lenticular lens unit.
  17. 17 . The controlled angle emissive display array base apparatus of claim 9 , wherein the first emissive element, the second emissive element, and the third emissive element are configured to be independently addressed by one or more control circuits.
  18. 18 . A 3-angle controlled angle emissive display apparatus, comprising: a planar base structure defining a rectangular surface having a normal axis projecting perpendicular to the rectangular surface; a plurality of array columns arranged in a repeating pattern across the rectangular surface of the planar base structure, each of the array columns comprising one or more 3-sided array base units having an addressable emissive element for each of the 3 sides; and an addressable control circuit configured to operably couple to each addressable emissive element of the one or more 3-sided array base units.
  19. 19 . The 3-angle controlled angle emissive display apparatus of claim 18 , wherein each 3-sided array base unit is configured to have a first side projecting a first viewing angle along a direction parallel to the normal axis projecting perpendicular to the rectangular surface of the planar base structure.
  20. 20 . The 3-angle controlled angle emissive display apparatus of claim 18 , wherein each of the addressable emissive elements comprise a light emitting diode (LED).

Description

CROSS REFERENCE TO RELATED APPLICATION This application claims the benefit of U.S. Provisional Application Ser. No. 63/402,907, filed Aug. 31, 2022, the entirety of which is incorporated by reference herein. BACKGROUND OF THE INVENTION Technical Field Aspects of embodiments of the present disclosure relate to the field of emissive displays. More specifically, aspects of embodiments of the present disclosure are directed to electronic displays having angled arrays of emissive elements configured to enable lenticular-like images based on viewing angle such as with stereoscopic images. Problems that are to be Solved by the Invention Currently available emissive displays typically rely on lenticular lenses, LCD-based parallax barriers, or specialized eyewear to produce controlled angle display and/or stereoscopic display of an image. However, these technologies often have limited viewing angles/distances, unwanted visual defects, and reduced clarity in the projected image at non-optimal viewing angles, and inconvenient use requirements, such as battery powered eyewear, that diminish their utility for consumers. Therefore, there is a need for a controlled angle emissive display that can produce the display of distinct images at different viewing angles, i.e., controlled-angle display, and/or stereoscopic images for a viewer that provides clearer images at a broader range of viewing angles without the need for specialized eyewear. In many circumstances, the use of specialized eyewear to produce controlled-angle display or stereoscopic display of an image is impractical and limits the availability of such displays to a broad range of consumers and applications. This may be especially true for specialized eyewear that requires charging or battery power in order to operate, as this adds additional cost and inconvenience to the use of such displays. Means for Solving the Problem Aspects of embodiments of the present disclosure are directed to controlled angle emissive displays having one or more angular arrays of emissive elements. In some embodiments, the angular arrays of emissive elements may be arranged to facilitate controlled-angle display of an image, e.g., the selectable viewing angle, or stereoscopic display of an image. Such embodiments may provide increased viewing angles and clarity for the controlled angle display of an image without requiring the use of lenticular lenses or specialized eyewear for a user. Effect of the Invention Some embodiments of controlled angle emissive displays according to aspects of the present disclosure may provide increased utility and functionality for controlled angle display of an image or video by reducing the limitations of currently available controlled angle displays while also increasing the visual clarity of the controlled angle display at less restricted viewing angles and without requiring the use of specialized eyewear or other devices. Some other embodiments of controlled angle emissive displays according to aspects of the present disclosure may also reduce light pollution in urban environments by focusing lights, signs and displays down to the viewers on the street and not up into the buildings above. Similarly, such embodiments may also facilitate controlled angle emissive display presentation of traffic signage, such as traffic lights and pedestrian crossing signs, that are visible only from the targeted traffic lane or walkway. SUMMARY OF THE INVENTION One or more embodiments of the present disclosure may be directed to a controlled angle emissive display. A controlled angle emissive display apparatus includes a planar base structure, and a plurality of array columns coupled to the planar base structure, each array column having an array base having two or more angled sides, and an emissive element secured to at least one of the angled sides of the array base, wherein the plurality of array columns is arranged upon the planar base structure in a repeating pattern. The controlled angle emissive display apparatus may have the plurality of array columns arranged parallel to one another at regularly spaced intervals. The controlled angle emissive display apparatus may have the array base having three adjoined angled sides. The controlled angle emissive display apparatus may have the three adjoined angled sides be configured having an interior angle of 120° formed between any two of the three adjoined angled sides. The controlled angle emissive display apparatus may have the array base having five adjoined angled sides arranged having a central angled side adjoined to pairs of angled sides along orthogonal axes about the central angled side. The controlled angle emissive display apparatus may have the five adjoined angled sides configured having an interior angle of 120° formed between the central angled side and each of the paired angled sides. The controlled angle emissive display apparatus may have the emissive element include a light emitting diode (LED). The c