US20050239581A1 - Illuminated display - Google Patents
Illuminated display Download PDFInfo
- Publication number
- US20050239581A1 US20050239581A1 US10/830,137 US83013704A US2005239581A1 US 20050239581 A1 US20050239581 A1 US 20050239581A1 US 83013704 A US83013704 A US 83013704A US 2005239581 A1 US2005239581 A1 US 2005239581A1
- Authority
- US
- United States
- Prior art keywords
- waveguides
- base
- illuminated display
- pair
- leds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2243/00—Specific ball sports not provided for in A63B2102/00 - A63B2102/38
- A63B2243/0037—Basketball
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
An illuminated display including a base and a pair of waveguides being supported by the base. The waveguides are abutted end-to-end and have bottoms positioned within the base. A reflective strip is sandwiched between the waveguides. A pair of light sources is positioned within the base adjacent the bottoms of the waveguides. Either of the light sources can be selectively energized to illuminate a respective one of the waveguides.
Description
- The present invention relates generally to card, picture and sign exhibiting apparatus and, more particularly, to edge illuminated signs.
- In an effort to speed-up basketball games, the alternating possession rule, which puts the ball in play with a throw-in rather than a jump ball, has been adopted by most basketball leagues. The rule is invoked in jump ball situations other than at the start of each half and any extra periods and alternates the team taking possession of the ball for throw-in at the spot nearest to where a jump ball situation occurs. The team that does not obtain control of the initial jump ball for each half or extra period will start the alternating process by being awarded the ball for throw-in. The alternating possession procedure starts when an official places the ball at the disposal of a player for a throw-in and ends when the passed ball touches an inbound player or when the throw-in team commits a violation.
- The team to be awarded the ball for the alternating possession throw-in is shown by an alternating possession indicator having at least one arrow that is usually kept on an officials' table beside the basketball court. Some of these indicators are little more than cardboard signs while others are more elaborate affairs illuminated by light bulbs that make them more easily seen by officials, coaches, players and spectators. Reversing the direction of the arrow immediately after the alternating possession throw-in ends is often difficult because the bulky nature of the existing indicators impedes the view of the action on the court for courtside officials.
- In light of the problems associated with the known indicators for showing entitlement to possession of a ball on a basketball court, it is a principal object of the invention to provide a display having selectively illuminated possession arrows and a small size so as to not take up too much room on a courtside table. Much of the display is transparent so that a view of events on the court is not blocked for officials sitting at the table.
- It is another object of the invention to provide a display of the type described that provides illuminated possession arrows that are easy to see from great distances. Each arrow is “doubled” with an inner part surrounded by an outer part to maximize light output. Further, each arrow is fully framed, top, bottom and sides by light emanating from the periphery of the display when an arrow is illuminated.
- It is a further object of the invention to provide an illuminated display that is easy to set up and take down, requiring neither tools nor prolonged training to accomplish the task. The illuminated display is also believed to be intuitive to use.
- It is an object of the invention to provide improved elements and arrangements thereof in an illuminated display for the purposes described that is lightweight in construction, streamlined in appearance, inexpensive to manufacture, and dependable in use.
- Briefly, the illuminated display in accordance with this invention achieves the intended objects by featuring a base and a pair of waveguides extending upwardly from the base. The waveguides are transparent plastic plates abutted end-to-end with the bottoms thereof positioned within the base. Each of the waveguides is provided with a recessed arrow pointing outwardly. A mirrored strip is sandwiched between the waveguides. A pair of arrays of LEDs is positioned within the base adjacent the bottoms of the waveguides. Either of the arrays of LEDs can be selectively energized to illuminate a respective one of the waveguides.
- The foregoing and other objects, features and advantages of the present invention will become readily apparent upon further review of the following detailed description of the preferred embodiment as illustrated in the accompanying drawings.
- The present invention may be more readily described with reference to the accompanying drawings, in which:
-
FIG. 1 is a perspective view of an illuminated display in accordance with the present invention. -
FIG. 2 is a top view of the illuminated display ofFIG. 1 with portions broken away to reveal details thereof. -
FIG. 3 is a side view of the illuminated display with portions broken away to reveal details thereof. -
FIG. 4 is a diagrammatic view showing light emissions from the illuminated display. -
FIG. 5 is an electrical circuit diagram for the illuminated display. - Similar reference characters denote corresponding features consistently throughout the accompanying drawings.
- Referring now to the FIGS., an illuminated display in accordance with the present invention is shown at 10.
Display 10 includes a pair ofwaveguides hollow base 16, separated only by a thin, mirroredstrip 18. Each of thewaveguides arrow strip 18. A pair oflight sources base 16 beneathwaveguides waveguides arrows -
Waveguides peripheries waveguides arrows peripheries arrows observer 32 can readily see throughwaveguides peripheries -
Waveguides opposed grooves 34 along their bottoms for receiving the free ends ofarcuate walls 36 defining the front, back and top ofbase 16. The sides ofwaveguides grooves 34 are covered by areflective material 38 that serves to minimize the leakage of light that has enteredwaveguides light sources base 16.Material 38 can include the protective paper attached to Plexiglas by a light-tack adhesive at the time of its manufacture. - Each
arrow inner part 40 and anouter part 42 that serves as a frame forinner part 40 for maximum visibility.Parts top segments 44 a, 44 b,linear bottom segments linear side segments 48 a, 48 b connected attop corners 50 a, 50 b, bottom corners 52 a, 52 b andside corners Side segments 48 a, 48 b, forming the innermost sides of the triangles, are set vertically so thattriangular parts strip 18. -
Arrows waveguides waveguides remote observer 32 in a focused manner. When illuminated, arrows 20, 22 stand out brightly against the transparent fronts and backs ofwaveguides -
Reflective strip 18 comprises an opaque, metallic film having a mirror-like finish and a light tack adhesive on one of its sides. In use, the adhesive is pressed against the inner end of eitherwaveguide waveguides strip 18 from wear. The joint betweenwaveguides adhesive tape 56 extending up one side of the joint and down the other. When extended as described,strips waveguides illuminated periphery Strip 56 is preferably white in color to maximize the reflection of light therefrom to the observer. -
Base 16 includes atubular portion 58 that is closed at its opposite ends bycaps 60 and sits on levelingpads 62.Tubular portion 58 is semi-cylindrical in form having aplanar bottom wall 64 with a pair ofarcuate walls 36 arcing upwardly and inwardly from the front and back ofbottom wall 64 toward one another. As shown, the tops ofwalls 36 define aslot 68 into whichwaveguides walls 36 snugly positioned withingrooves 34.Waveguides slot 68 bycaps 60 attached in a suitable manner to the ends oftubular portion 58. - Extending upwardly from
bottom wall 64 is a pair ofrails 70 that define aslot 72 between one another. Acircuit board 74 carryinglight sources slot 72 and extends beneath bothwaveguides Circuit board 74 is prevented from sliding from the ends ofslot 72 bycaps 60. -
Light sources terminal 76 of asocket 78 mounted on acap 60. Electrical leads 80, 82 extend in parallel fashion fromlight sources contacts position toggle switch 88 carried by a controller body 90. Atoggle 92 connects either or neithercontact electrical lead 94 that terminates at asecond terminal 96 ofsocket 78. Together, leads 80, 82 and 94 are bundled as acable 98 betweenbase 16 and controller body 90. - LEDs are powered by a conventional AC to
DC transformer 100 having aplug 102 for insertion into a wall socket (not shown) forming part of an electrical grid. A pair ofleads cable 108 extending from transformer windings 110 inhousing 112, ends in a pair ofterminals plug 118 adapted for insertion intosocket 78. When inserted therein,terminals terminals light sources toggle 92. - When
light source 22 is illuminated, light passes upwardly through the bottom ofwaveguide 12 where it is reflected back and forth until it escapes. Much of this light is captured byarrow 20 as discussed above and directed toremote observer 32. Other light rays, illustrated schematically at 120 and 122 inFIG. 4 , impact frostedperiphery 28, specifically the top and outer end ofwaveguide 12, where they are reflected to anobserver 32 who seesperiphery 28 being brightly lit. Becauseobserver 32 is positioned to the right ofstrips FIG. 4 ., light impacting strips 18, 56 will be reflected away from him, but the area around strips 18, 56 is still seen to glow brightly due to inherent characteristics of thematerial comprising waveguide 12. - Illumination of
light source 24 causes the same lighting effects withinwaveguide 14 as are created withinwaveguide 12 by the illumination oflight source 22. Illustrated inFIG. 4 is alight ray 124 that is seen to reflect fromtape 56 andstrip 18 toobserver 32 giving the impression that the inner edge ofwaveguide 14 is brightly illuminated. Simultaneously,light ray 126 hits a portion ofperiphery 30, i.e., the frosted outer end ofwaveguide 14, where such is reflected to theobserver 32 who sees such as being brightly lighted. - It is anticipated that
display 10 will be employed by officials at basketball games to indicate rightful possession of the ball on a basketball court during game play. Witharrows illuminated arrow arrows waveguides arrows arrows outer parts 42 framinginner parts 40. Sincewaveguides display 10 is never substantially impeded. Of course, by providingcable 98 with a great enough length, the operator ofdisplay 10 does not need to sit particularly close todisplay 10. - When a basketball game has been completed,
display 10, controller body 90, andtransformer 100 can be easily gathered together for storage in the trunk of a car, a closet or even a gym bag. Sincedisplay 10 and its ancillary components are light in weight, they are easily transported about and are always ready for reuse. - While the invention has been described with a high degree of particularity, it will be appreciated by those skilled in the art that modifications may be made thereto. Therefore, it is to be understood that the present invention is not limited to the sole embodiment described above, but encompasses any and all embodiments within the scope of the following claims.
Claims (11)
1. An illuminated display, comprising:
a base;
a pair of waveguides being abutted end-to-end and being supported by said base with the bottoms of said waveguides being positioned within said base;
a mirrored strip being sandwiched between said waveguides; and,
a pair of light sources being positioned within said base adjacent the bottoms of said waveguides and each being adapted for selective energization so as to illuminate a respective one of said waveguides.
2. The illuminated display according to claim 1 wherein each of said waveguides is provided with a recessed arrow pointing away from said mirrored strip.
3. The illuminated display according to claim 2 wherein the periphery of each of said waveguides and each said recessed arrow is frosted.
4. The illuminated display according to claim 2 wherein each said arrow includes a triangular inner part surrounded by a triangular outer part and said inner part and said outer part being formed of linear segments that are parallel to one another.
5. The illuminated display according to claim 1 wherein said mirrored strip is a metallic film.
6. The illuminated display according to claim 1 further comprising an opaque strip covering the abutment of said waveguides and the periphery of said mirrored strip.
7. The illuminated display according to claim 1 wherein each of said light sources is an array of LEDs.
8. The illuminated display according to claim 1 further comprising:
a transformer connected to said light sources for energizing same; and,
a 3-position switch connected between said transformer and said light sources for selectively energizing either of said light sources or neither of said light sources.
9. The illuminated display according to claim 8 further comprising a controller body remote from said base and carrying said 3-position switch.
10. An illuminated display, comprising:
a base;
a pair of waveguides being a pair of transparent plastic plates abutted end-to-end and being supported by said base with the bottoms of said waveguides being positioned within said base, and each of said waveguides being provided with a recessed arrow pointing away from the other;
a mirrored strip being sandwiched between said waveguides; and,
a pair of arrays of LEDs being positioned within said base adjacent the bottoms of said waveguides and being adapted for selective energization so as to illuminate a respective one of said waveguides.
11. An illuminated display, comprising:
a base;
a pair of waveguides each being transparent plastic plate, said waveguides being abutted end-to-end and supported by said base with the bottoms of said waveguides being positioned within said base, and each of said waveguides being provided with a recessed arrow pointing away from the other;
a mirrored strip being sandwiched between said waveguides; and,
a pair of arrays of LEDs being positioned within said base adjacent the bottoms of said waveguides and being adapted for selective energization so as to illuminate a respective one of said waveguides;
a transformer connected to said LEDs for energizing same; and,
a 3-position switch being remote from said base and being connected between said transformer and said LEDs for selectively energizing either of said LEDs or neither of said LEDs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/830,137 US20050239581A1 (en) | 2004-04-23 | 2004-04-23 | Illuminated display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/830,137 US20050239581A1 (en) | 2004-04-23 | 2004-04-23 | Illuminated display |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050239581A1 true US20050239581A1 (en) | 2005-10-27 |
Family
ID=35137179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/830,137 Abandoned US20050239581A1 (en) | 2004-04-23 | 2004-04-23 | Illuminated display |
Country Status (1)
Country | Link |
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US (1) | US20050239581A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080225507A1 (en) * | 2007-03-14 | 2008-09-18 | Joo-Hoon Lee | Waveguide member and keypad assembly using the same |
WO2011124412A1 (en) * | 2010-04-08 | 2011-10-13 | Evonik Röhm Gmbh | Optical waveguide bodies with high light intensity and high transparency |
US20150160400A1 (en) * | 2012-05-10 | 2015-06-11 | Saint-Gobain Glass France | Illuminating glazing with incorporated deflector |
WO2019030978A1 (en) * | 2017-08-10 | 2019-02-14 | オムロン株式会社 | Display device and light guiding panel |
US10255831B1 (en) | 2018-11-15 | 2019-04-09 | Ronald Mark Buck | Light tile assembly and kit |
CN115177936A (en) * | 2022-07-07 | 2022-10-14 | 刘国锋 | Sports score display board based on computer data processing |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US1741748A (en) * | 1927-04-12 | 1929-12-31 | Harry F White | Illuminated sign |
US1965063A (en) * | 1932-04-26 | 1934-07-03 | Wing Leo | Direction signal |
US3968584A (en) * | 1974-07-18 | 1976-07-13 | Kingston Willard L | Illuminated sign |
US4561203A (en) * | 1983-08-04 | 1985-12-31 | Dual-Lite Manufacturing | Opaque sign plaque with dual reflector illumination |
US5433024A (en) * | 1993-10-04 | 1995-07-18 | Displayonix Corp. | Edge-lighted display |
US5954423A (en) * | 1997-05-02 | 1999-09-21 | Nsi Enterprises, Inc. | Light distribution diffuser for exit signs and the like illuminated by LED arrays |
US5964051A (en) * | 1997-03-03 | 1999-10-12 | Autronics Plastics, Inc. | Internally illuminated sign |
US6023869A (en) * | 1998-11-10 | 2000-02-15 | Lumenids, Ltd. | Illuminated sign |
US6050010A (en) * | 1998-04-01 | 2000-04-18 | Lightworks Jrj Enterprises, Inc. | Internally illuminatable card and lighter |
US6095056A (en) * | 1996-12-02 | 2000-08-01 | Schumacher; Larry | Scoring table with integral possession indicating sign |
US6341440B1 (en) * | 1999-12-10 | 2002-01-29 | Wen Tai Enterprise Co., Ltd. | Multi-function signboard |
US6457270B1 (en) * | 2000-10-27 | 2002-10-01 | Frederick W. Stark, III | Universal emergency sign |
US20030222791A1 (en) * | 2002-05-31 | 2003-12-04 | Smalls Bryan H. | Portable warning light apparatus |
US7065910B2 (en) * | 2003-11-20 | 2006-06-27 | Woodruff Michael A | Illuminated display device |
-
2004
- 2004-04-23 US US10/830,137 patent/US20050239581A1/en not_active Abandoned
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1741748A (en) * | 1927-04-12 | 1929-12-31 | Harry F White | Illuminated sign |
US1965063A (en) * | 1932-04-26 | 1934-07-03 | Wing Leo | Direction signal |
US3968584A (en) * | 1974-07-18 | 1976-07-13 | Kingston Willard L | Illuminated sign |
US4561203A (en) * | 1983-08-04 | 1985-12-31 | Dual-Lite Manufacturing | Opaque sign plaque with dual reflector illumination |
US5433024A (en) * | 1993-10-04 | 1995-07-18 | Displayonix Corp. | Edge-lighted display |
US6095056A (en) * | 1996-12-02 | 2000-08-01 | Schumacher; Larry | Scoring table with integral possession indicating sign |
US5964051A (en) * | 1997-03-03 | 1999-10-12 | Autronics Plastics, Inc. | Internally illuminated sign |
US5954423A (en) * | 1997-05-02 | 1999-09-21 | Nsi Enterprises, Inc. | Light distribution diffuser for exit signs and the like illuminated by LED arrays |
US6050010A (en) * | 1998-04-01 | 2000-04-18 | Lightworks Jrj Enterprises, Inc. | Internally illuminatable card and lighter |
US6023869A (en) * | 1998-11-10 | 2000-02-15 | Lumenids, Ltd. | Illuminated sign |
US6341440B1 (en) * | 1999-12-10 | 2002-01-29 | Wen Tai Enterprise Co., Ltd. | Multi-function signboard |
US6457270B1 (en) * | 2000-10-27 | 2002-10-01 | Frederick W. Stark, III | Universal emergency sign |
US20030222791A1 (en) * | 2002-05-31 | 2003-12-04 | Smalls Bryan H. | Portable warning light apparatus |
US7065910B2 (en) * | 2003-11-20 | 2006-06-27 | Woodruff Michael A | Illuminated display device |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080225507A1 (en) * | 2007-03-14 | 2008-09-18 | Joo-Hoon Lee | Waveguide member and keypad assembly using the same |
US7959342B2 (en) * | 2007-03-14 | 2011-06-14 | Samsung Electronics Co., Ltd. | Waveguide member and keypad assembly using the same |
WO2011124412A1 (en) * | 2010-04-08 | 2011-10-13 | Evonik Röhm Gmbh | Optical waveguide bodies with high light intensity and high transparency |
US10007048B2 (en) | 2010-04-08 | 2018-06-26 | Evonik Roehm Gmbh | Light guide body having high luminous intensity and high transparency |
US20150160400A1 (en) * | 2012-05-10 | 2015-06-11 | Saint-Gobain Glass France | Illuminating glazing with incorporated deflector |
US9746600B2 (en) * | 2012-05-10 | 2017-08-29 | Saint-Gobain Glass France | Illuminating glazing with incorporated deflector |
WO2019030978A1 (en) * | 2017-08-10 | 2019-02-14 | オムロン株式会社 | Display device and light guiding panel |
JP2019035803A (en) * | 2017-08-10 | 2019-03-07 | オムロン株式会社 | Display and light guide plate |
US10866354B2 (en) | 2017-08-10 | 2020-12-15 | Omron Corporation | Display device and light guiding panel |
US10255831B1 (en) | 2018-11-15 | 2019-04-09 | Ronald Mark Buck | Light tile assembly and kit |
CN115177936A (en) * | 2022-07-07 | 2022-10-14 | 刘国锋 | Sports score display board based on computer data processing |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |