Light blocking louver panel for an LED light display
A LED light display having a plurality of LED bulb arrays and a louver panel defining a plurality of hole arrays. Each hole array can define openings that are sized and spaced to receive at least the distal end portions of the bulbs forming a single LED bulb array. The louver panel further has a plurality of shaped protrusions in the form of louvers that are configured to extend outwardly and forwardly from a front surface of the louver panel and are arranged in a plurality of columns and in a plurality of rows in regularly repeating patterns related to the pattern of the placement of a plurality of the plurality of hole arrays in the louver panel and are further configured to block at least a portion of the emission of light from the LED bulbs in both a horizontal and vertical direction.
1. A LED light display comprising:
a plurality of LED bulb arrays, each bulb LED array comprises three spaced LED bulbs that are positioned to form a triangle shape that defines an LED bulb centroid that is on a horizontal plane;
a louver panel defining a plurality of hole arrays, wherein each hole array defines a plurality of openings that are sized and spaced to receive at least the distal end portions of the bulbs forming a single LED bulb array, wherein each opening of the one hole array define vertices of a triangle, in which two openings are positioned and define vertices along a substantially vertical plane P 1 and the remaining opening is positioned at and defines a vertex that is positioned in a horizontal plane P 2 generally perpendicular to the vertical plane, each opening hole array defines a LED opening centroid that is on the horizontal plane and is operationally substantially coincident with the respective LED bulb centroid, wherein the louver panel further comprises a plurality of shaped protrusions in the form of louvers that are configured to extend outwardly and forwardly from a front surface of the louver panel and are arranged in a plurality of columns and in a plurality of rows in regularly repeating patterns related to the pattern of the placement of a plurality of the plurality of hole arrays in the louver panel, each louver comprising an elongate vertical member integrally connected to a compound curve member, wherein the elongate member has a proximal end and a distal end that is positioned in a horizontal plane P 3 that is below the horizontal plane P 2 bisecting the LED bulb centroid and the LED opening centroid, wherein the compound curve member comprises a first curved member and a second curved member such that the first curve member extends outwardly and upwardly from the proximal end of the vertical member to a first curve distal end and subtends an angle of 90 degrees such that the first curve distal end is positioned in a vertical plane P 4 that is parallel to the vertical plane P 1 and the second curved member extends outwardly and downwardly to a second curve distal end and subtends an angle of less than 30 degrees such that the second curve distal end is positioned below and at an acute angle with respect to at least a portion of the first curve distal end and wherein each louver is configured to block at least a portion of the emission of light from the LED bulbs in both a horizontal and vertical direction.
2. The LED light display of claim 1 , wherein the three spaced LED bulbs comprise a red LED bulb and a blue LED bulb positioned at and defining opposing vertices of the triangle shape along a substantially vertical plane and a green LED bulb positioned at and defining a vertex that is positioned in a horizontal plane generally perpendicular to the vertical plane.
3. The LED light display of claim 1 , wherein the second curve distal end of the second curved member is positioned above a horizontal plane P 5 extending tangent to the uppermost portion of the defined uppermost opening of the adjacent hole array.
4. The LED light display of claim 1 , wherein the radius of the first curve member is less than the radius of the second curve member.
5. The LED light display of claim 4 , wherein the curvature of the first curve member is greater than the curvature of the second curve member.
6. The LED light display of claim 1 , wherein the louvers have a substantially uniform height.
7. The LED light display of claim 1 , wherein the louvers have a varied height across the light display.
8. The LED light display of claim 1 , wherein the height of each louver is between about 0.1 inches to about 0.70 inches.
9. The LED light display of claim 1 , wherein the louvers have a substantially constant width.
10. The LED light display of claim 1 , wherein the width of each louver can be between about 0.05 inches to about 0.40 inches.
11. The LED light display of claim 1 , wherein the louvers are configured so as to not substantially block light output in a forward direction from the LED bulbs.
12. The LED light display of claim 1 , wherein the louvers are configured to preserve a range of angles at which the LED light display may be viewed by a member of a target audience in an optimal viewing region.
13. The LED light display of claim 12 , wherein the percentage of the light observable from the LED bulbs diminishes as the LED bulbs within the LED light display is increasingly covered by the louvers when the LED light display is viewed from horizontal blocking angles outside of the optimal viewing region, wherein a horizontal viewing angle for each louver is bounded by the angle between the longitudinal axis of the LED at the LED bulb centroid and the edge of a portion of the first curve member and/or a portion of the elongate vertical member of a louver.
14. The LED light display of claim 1 , wherein, a static viewer positioned remotely from the sign at about the limitations of the horizontal viewing angles of the respective louvers will not be able to detect light from the respective LED bulb arrays when an observer viewing angle exceeds the horizontal blocking angle.
15. The LED light display of claim 1 , wherein The horizontal viewing angle of each louver is between about 75 degrees to about 150 degrees.
16. The LED light display of claim 1 , wherein the horizontal viewing angle of each louver is at least 140 degrees.
17. The LED light display of claim 1 , wherein the second curve distal end of each louver is spaced horizontally from an adjacent louver.
18. The LED light display of claim 17 , wherein the second curve distal end is spaced from the adjacent louver by the width of the louver.
19. The LED light display of claim 17 , wherein the second curve distal end is spaced from the adjacent louver by at least the width of the louver.
20. A LED light display comprising:
a plurality of LED bulb arrays, each bulb LED array comprises three spaced LED bulbs that are positioned to form a triangle shape that defines an LED bulb centroid that is on a horizontal plane;
a louver panel defining a plurality of hole arrays, wherein each hole array defines a plurality of openings that are sized and spaced to receive at least the distal end portions of the bulbs forming a single LED bulb array; wherein each opening of the one hole array define vertices of a triangle, in which two openings are positioned and define vertices along a substantially vertical plane P 1 and the remaining opening is positioned at and defines a vertex that is positioned in a horizontal plane P 2 generally perpendicular to the vertical plane, each opening hole array defines a LED opening centroid that is on the horizontal plane and is operationally substantially coincident with the respective LED bulb centroid, wherein the louver panel further comprises a plurality of shaped protrusions in the form of louvers that are configured to extend outwardly and forwardly from a front surface of the louver panel and are arranged in a plurality of columns and in a plurality of rows in regularly repeating patterns related to the pattern of the placement of a plurality of the plurality of hole arrays in the louver panel, each louver comprising an elongate vertical member integrally connected to a compound curve member, wherein the elongate member has a proximal end and a distal end that is positioned in a horizontal plane P 3 that is below the horizontal plane P 2 bisecting the LED bulb centroid and the LED opening centroid, wherein the compound curve member comprises a first curved member and a second curved member such that the first curve member extends outwardly and upwardly from the proximal end of the vertical member to a first curve distal end positioned in a vertical plane P 4 that is parallel to the vertical plane P 1 and the second curved member extends outwardly and downwardly to a second curve distal end such that the second curve distal end is positioned below and at an acute angle with respect to at least a portion of the first curve distal end and wherein each louver is configured to block at least a portion of the emission of light from the LED bulbs in both a horizontal and vertical direction.