CN104269112A - Led Backlighting System For Cabinet Sign - Google Patents
Led Backlighting System For Cabinet Sign Download PDFInfo
- Publication number
- CN104269112A CN104269112A CN201410099341.9A CN201410099341A CN104269112A CN 104269112 A CN104269112 A CN 104269112A CN 201410099341 A CN201410099341 A CN 201410099341A CN 104269112 A CN104269112 A CN 104269112A
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- Prior art keywords
- module
- light emitting
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- led
- array
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A backlighting system for a cabinet sign may include a plurality of panels. Each panel includes a plurality of light emitting diodes (LEDs) attached to the panel. The diode has a box sign depth factor of less than about 1.4. An integrated circuit may also be located on the panel. A wire physically connects adjacent panels.
Description
Background technology
This exemplary embodiments relates to back light system.It has found the embody rule in conjunction with sign industry.A kind of embody rule for this back light system is cabinet sign (cabinet sign), and will it be utilized concrete with reference to being described.But can find, this exemplary embodiments also obeys other similar application.
At present, larger cabinet sign uses fluorescent lamp bulb and ballast resistor as illuminator usually.The system of these types is labor-intensive and maintenance cost is expensive.Usual needs are at the most in 1 year or replace bulb in two years.Suppose exemplary position and the bulb sizes of cabinet sign, need frequent crane locomotive or other the non-ready-made available devices of using to keep in repair label.The alternative object of the cabinet sign back light system of proposition in the past comprises linear light emitting diode matrix or ambients lighting device.But for various reasons, these select the alternative object as above-mentioned fluorescent lamp, backlight system to there is no the success of any great commercial.
Summary of the invention
The back light system for cabinet sign and the method making this label is described in literary composition.This system can comprise multiple panel.Each panel includes the multiple light emitting diodes (" LED ") being connected to this panel.LED layout interval pattern has the case label depth coefficient being about less than 1.4.Integrated circuit can also be positioned on panel.Distribution physical connection adjacent panels.The cabinet sign comprising above-mentioned back light system is also disclosed in literary composition.
Accompanying drawing explanation
Fig. 1 is the front elevation of an embodiment of back light system for cabinet sign described in literary composition;
Fig. 2 is the front elevation of the panel of the part that can be used as the back light system described in literary composition;
Fig. 3 is the front elevation of the central layer of the part that can comprise as panel;
Fig. 4 and Fig. 5 is the side view of the panel comprising overmold;
Fig. 6 is the front elevation of another embodiment of back light system;
Fig. 7 is the embodiment of the framework of back light system described in literary composition and cabinet sign;
Fig. 8 is the side view of the embodiment of foldable panel row;
Fig. 9 is the part diagram comprising the back light system that the foldable panel from Fig. 8 arranges;
Figure 10 is another embodiment of the back light system of the rectangular embodiment comprising panel;
Figure 11 is the front elevation can using another embodiment of the panel in back light system disclosed in the text;
Figure 12 is panel row disclosed in literary composition;
Figure 13 is the embodiment of the row of panel being as shown in figure 12 rolled into easy package shape;
Figure 13 A shows the embodiment of the row of panel as shown in figure 12 that folds with being placed in another top;
Figure 14 is the embodiment that row are placed in two stacking panel row of another ground, row top;
Figure 15 is the additional embodiment of panel;
Figure 16-Figure 19 describe can how to panel and same column panel between and the replacement scheme of power is provided between the panel of different lines;
How back light system disclosed in Figure 20 and Figure 21 shows in literary composition can be used in the replacement scheme in bilateral label;
The various supports that Figure 22 A-Figure 22 F can use together with the panel of back light system;
Figure 23 is the embodiment of the cabinet sign comprising back light system disclosed in the text;
Figure 24 is the embodiment of the cabinet sign comprising two array back systems disclosed in the text;
Figure 25 is the rectangular panel comprising overmold;
Figure 26 A shows three LED modules being connected to bridge according to exemplary embodiments;
Figure 26 B shows and is electrically connected according to the module of the illuminator of exemplary embodiments;
Figure 26 C shows the Connection Element being connected to illuminator according to permission second light emitting module of exemplary embodiments;
Figure 26 D shows the single matrix lamp system according to exemplary embodiments;
Figure 26 E shows the two matrix lamp systems according to exemplary embodiments;
Figure 27 A shows six LED modules according to exemplary embodiments;
Figure 27 B shows the single array utilizing six LED modules according to exemplary embodiments;
Figure 27 C shows the two arrays utilizing six LED modules according to exemplary embodiments;
Figure 28 A shows the alternately six LED module illuminators according to exemplary embodiments;
Figure 28 B shows the optional distribution of the embodiment through six LED module illuminators according to exemplary embodiments;
Figure 28 C shows the single array replacing six LED modules according to the utilization of exemplary embodiments;
Figure 28 D shows the two arrays replacing six LED modules according to the utilization of exemplary embodiments;
Figure 29 A shows the alternately six LED module illuminators according to exemplary embodiments;
Figure 29 B shows the electrical connectivity of six LED modules in Figure 29 A according to exemplary embodiments;
Figure 29 C shows the single array utilizing six LED modules in Figure 29 A according to exemplary embodiments;
Figure 29 D shows the two arrays utilizing six LED modules in Figure 29 A according to exemplary embodiments;
Figure 30 A shows three LED modules with clip connection hinge according to exemplary embodiments;
Figure 30 B shows the embodiment of three LED modules for transporting according to exemplary embodiments;
Figure 30 C shows the single array utilizing three LED modules according to exemplary embodiments;
Figure 30 D shows the two arrays utilizing three LED modules according to exemplary embodiments;
Figure 31 A shows the vertical view of the LED panel of the grid configuration according to exemplary embodiments;
Figure 31 B shows the upward view of the LED panel of the grid configuration according to exemplary embodiments;
Figure 32 shows the vertical view of the overmold LED module of the grid configuration according to exemplary embodiments;
Figure 33 A shows the vertical view of the LED module of the grid configuration according to exemplary embodiments;
Figure 33 B shows the upward view of the LED module of the grid configuration according to exemplary embodiments;
Figure 33 C shows the exploded view of the LED module of the grid configuration according to exemplary embodiments;
Figure 34 A shows the vertical view utilizing the PCB assembly of LED panel according to exemplary embodiments;
Figure 34 B shows the upward view of the PCB assembly utilizing LED panel according to exemplary embodiments.
Embodiment
In the various embodiments describing back light system, by the like using identical or similar reference number to describe each embodiment.
Here, the disclosed embodiments comprise the multiple panels comprising back light system.Each panel comprises multiple LED.Preferably, separated from one another at the same face onboard led, and similarly also separated from one another relative to the LED on adjacent panels, thus back light system will present the lighting quality similar with the lighting quality of fluorescent lamp, backlight system.LED backlight system will present and the homogeneity of fluorescent lamp, backlight systems compliant (uniformity), brightness and colour rendering.
With reference to Fig. 1, the front elevation of the back light system 100 that shown is for cabinet sign.Described system 100 comprises framework 102 and multiple panel 104.Panel 104 is connected to framework 102 with shown multirow.As selection, panel 104 is connected to framework 102 with multiple row, instead of row.Separate panels 104 is not limited to any concrete size.Suppose that case label (boxsign) is generally square or rectangle, the concrete panel size used is 1 ' × 1 '.The manufacturer of cabinet sign can find this sized panel of expectation, this is because it may be used for making the illuminator for the cabinet sign of various sizes.Usually, cabinet sign has sign surface, and this sign surface has and is about less than 200 square feet of (ft
2) label area.In the various embodiments of label, the surface area of label can from about 4 square feet of (ft
2) until about 200 square feet of (ft
2) scope in.As selection, if utilize flexible material (such as, vinyl material etc.) for casing face, then the surface area of label can be more much bigger than 200 square feet.Can be sharp in this way to allow casing face to withstand too much wind load.
As selection, as shown in figure 11, the shape of panel 104 can be rectangle.Panel 104 is not limited to any concrete shape or size.For believing that these shapes are the reasons of intended shape for label manufacturer, describe panel 104 with rectangle and square shape.If final user needs, then can manufacture the panel with other shapes.In addition, the panel of difformity and/or size can be used in same cabinet sign.
In one embodiment, panel 104 can be printed-wiring board (PWB).Printed-wiring board (PWB) can for being selected from the group of printed circuit board (PCB), metal composite printed circuit board (PCB) and flexible circuit (flex circuit).Flexible circuit can comprise backboard (backing plate).Two examples for the preferred material of backboard comprise aluminium or plastics.The flexible circuit at least following source is available: Minco of Minneapolis, MN, Allflex Inc.of Northfield, MN, and Uniflex Circuits of San Jose, CA.In another embodiment, printed-wiring board (PWB) can comprise the LED linked together with the distribution of strips, then this is connected to backing (backing).Usually, this backing can be made up of aluminium or plastics.
As shown in Figure 2, each panel 104 includes multiple light emitting diode (" LED ") 106.LED106 can with any concrete patterned arrangement on panel 104.In addition, the quantity of the LED106 on each panel can be different or can be identical.In one embodiment, each LED106 is not more than 4 apart from one or more adjacent LED ".In another embodiment, LED spacing can be determined by case label depth coefficient.This is the ratio of distance (" degree of depth ") divided by the distance between (divided by) the most contiguous LED and target LED in the label face of LED distance cabinet sign.Such as, if target LED is apart from the most contiguous LED4 " and the degree of depth of LED below label is 4 ", then this coefficient is 1.In another example, if the distance between adjacent LED keeps identical, but the degree of depth changes 5 into ", then this coefficient is 1.25.In further example, adjacent LED is spaced about 6 " and the degree of depth is about 8 ", then case label depth coefficient is about 1.33.
In a particular embodiment, preferred coefficient is about less than 1.4.In another specific embodiment, coefficient can in the scope of about 1.25 to about 0.5.In a further embodiment, LED can be random or separated from one another uniformly.In a specific embodiment, each LED is adjacent LED and equally separates substantially.
The LED of any suitable type can be used to be combined with panel 104.The example of the LED of typical types can be used to comprise surface LED and through hole LED is installed.Panel 104 is not limited to the LED106 of concrete quantity.The LED of any desired amt can be used.Typical case's panel 104 can have relative four (4) individual to ten two (12) individual LED.
Except suitable various types of LED, LED106 is without any specific wattage requirement.In an embody rule, the wattage of LED106 can be 1W or 0.5W.For panel 104, in one embodiment, preferably, the light sent by the LED106 on panel 104 has the brightness up to 1500 nits measured by the outer surface in the label face of label.
Panel 104 can also comprise one or more integrated circuit 108.Integrated circuit 108 may be used for driving the LED106 on panel 104.Except the panel 104 comprising circuit 108, panel 104 can also comprise one or more LED and protect element.This to prevent the diode of LED and the element of another physical items (tangible item) physical contact.In one example, protection element can comprise the annular cone on the surface of panel 104, and wherein, LED106 is at the center of the recess of cone.In a second embodiment, protection element can be the transparent plastic cover of the top at the diode top of each LED.
Also as shown in Figure 2, panel 104 can be connected to one or more track (rail) 110.This track can be made by the known any material being suitable for use as heating radiator (heat sink); Unrestricted example comprises aluminium and native graphite.Panel 104 can be connected by any known interconnection technique.Shown panel 104 is connected as utilized screw 112.Optionally, as shown, panel 104 can be fixed to or be connected to track 110 adjustably.By any known interconnection technique, track 110 can be connected to framework 102.In another embodiment, panel 104 can comprise one or more integrated or can connection guide rail, and a part for this guide rail and track 110 closely cooperates panel 104 easily can be moved along track 110.
As directed, can utilize clamping element (clamping element) 114 that track 110 is connected to framework 102 adjustably.As selection, other adjustable Connection Elements can be used to replace clamping element 114 or fixed connecting element can be used to replace clamping element 114.Panel 104 can be unified to separate or random separation is opened.In one embodiment, the interval on same track 110 between any two adjacent panels connected adjustably 104 can be adjusted to desired distance.Panel 104 can also comprise one or more terminals (terminal) 116.Terminals can be used to two (2) individual adjacent panels 104 to link together.
Described by Fig. 3 is the front elevation of an embodiment of the optional components of panel 104.As directed, panel 104 can comprise central layer (core plate) 105.Alternatively, central layer 105 comprises one or more opening 118.Preferably, separate opening 118 according to size manufacture, thus do not reduce the structural intergrity of panel 104, and at least improve panel 104 moves away heat ability from LED, and also improve the intensity of central layer 105 alternatively.Opening 118 can be arranged on panel 104 uniformly or randomly.The example of the preferred material of the structure of central layer 105 comprises steel, steel alloy, aluminium, aluminium alloy, native graphite, extruding plastic, can be used as heating radiator and have any other material of sufficient structural intergrity and it combines.
As shown in Figure 4, panel 104 can comprise the thin ceramic coat 120 of encapsulation central layer 105.Panel 104 can also comprise overmold 122.Preferably, overmold 122 is made by weatherproof material (weather resilient material) and is had transparent top surface.The example that may be used for the material making overmold 122 comprises silicones (silicone), epoxy resin or plastics press-out goods.Plastics press-out goods can be formed by thermoplastic elastomer (heat transfer or non-thermal conductivity), Polyvinylchloride, acrylic acid (acrylic), tygon (high density or low-density), polypropylene, polystyrene and ABS.As shown in Figure 5, overmold 122 can be connected to the top surface of panel 104, or as selecting, can be connected to side surface or the basal surface of panel 104.In addition, panel 104 can comprise one or more optional footing (feet) 125.Preferably, footing 125 extends base plate 104 from the downside of base plate 104.Preferably, overmold 122 does not cover the top surface of LED106.
The concrete preferred combination of panel 104 and overmold 122 comprises printed circuit board (PCB) panel and plastics or silicones overmold, metal composite circuit board and plastics or silicones overmold and the flexible circuit on aluminium or plastic backings and plastics or silicones overmold.Plastics can be the suitable condensates that thermoplastic elastomer maybe can be made into the other types of plastics.
By overmold materials application in a kind of method of panel 104, panel 104 can comprise opening, pin can be used to coated mold treatment (over molding process) period panel 104 is maintained fixed position.If needed in a second embodiment, then can in independent coated molding process, fill opening used or filler opening can be carried out by filler.
As selection, panel 104 can be encased with clip plastic casing.Housing can comprise and can be used as protecting the connection of the shell of this plate front portion and being connected back.Preferably, housing front portion comprises the opening aimed at LED106, for sending the light generated by LED106.
Overmold 122 or housing may be used for connecting multiple panels 104 with one-dimensional array, to form the panel with two-dimensional array.Such as, as shown in Figure 10, two or more panel 104R can coated being molded have to be formed with the composite panel of the LED of two-dimensional arrangement simultaneously.The panel of synthesis will have the location similar to the location (orientation) of the panel 104L shown in Figure 12.As selection, housing may be used for multiple panel 104R with one-dimensional array to be made into two-dimensional array.This housing will encase two or more panel to aim at LED106 on the width and length direction of housing.
Fig. 6-Fig. 9 shows the layout 130 of panel 104.As directed, arrange multiple panel 104 to arrange.The adjacent panels 104 in often arranging is connected by one or more flexible strip 126.Preferably, flexible strip 126 is mechanically connected adjacent panels 104.Optionally, flexible strip 126 can also be electrically connected adjacent panels 104.Preferably, as shown in Figure 8, flexible strip 126 has abundant flexibility, thus bar 126 may be used for system 100 panel 104 to be folded to another top.In one embodiment, can with folding location shipment panel 104 as shown in FIG. 13A.In the embodiment shown in fig. 6, can 104B that is capable at the 104A of panel 104 and panel 104 capable between produce one folding and can 104C that is capable at the 104B of panel 104 and panel 104 capable between produce another and fold.As directed, connector 128 is used to the end panel 104 often arranged to be connected to supporter 124.Two unrestricted examples for the suitable material of flexible strip 126 are that flat cable and mylar (Mylar) flexibly connect.These typical materials can also be used for the electric energy provided between adjacent panels.When bar 126 comprises distribution (wire), optionally, distribution can be two wires or three wires.
Supporter 124 can be connected to the framework 102 of cabinet sign.One or more layouts 130 can be used to form the system 100 for cabinet sign.As selection, as shown in Figure 9, flexible strip 126 can be used to panel 104 to be connected to supporter 124.In another alternate embodiment, flexible strip 126 can be used to panel 104 to be connected to framework 102 instead of supporter 124.
Figure 10 describes the alternate embodiment of panel 104R.In Fig. 10, panel 104R has rectangular shape and length along panel 104R arranges LED106 with single file line.This can also be called arranges LED106 with one-dimensional patterns, but in fig. 2, with 2 dimension patterned arrangement LED106.
As shown in Figure 10, on the direction of double-head arrow A, panel 104R can be moved to any desired point along track 110 along track 110.In the embodiment shown, each track 110 includes the recess of engagement locking member (1ocking element) 129.As directed, locking member 129 comprises the screw made according to the size being applicable to recess 127.In alternative embodiments, recess 127 can be made to engage the footing of panel 104R according to size, be similar to the footing 125 described in (but being not limited to) Fig. 5.
Every counter plate 104R can be included in the support between adjacent panels 104R.Support can be the single element of connection two adjacent panels 104R.Each panel 104R all can comprise the receiving element for support.In addition, support can have recess, thus its can hold another panel 104R with Figure 14 similarly mode aim at multiple panel.As selection, a part for support can be connected to each panel 104R and with the complementary portion close fit of the support on adjacent panels 104R.In addition, support can comprise hinge, thus can be formed folding relative to two adjacent panels.Finally, support can be separable; Thus support can be separated with panel or support can be divided into two (2) parts.
Optionally, one end of panel 104R can comprise the port for power supply being connected to panel 104R.The electric connector of adjacent adjacent panels 104R in the horizontal direction that second end of panel 104R can be included in back light system.
It is another embodiment of the panel 104L of grid configuration shown in Figure 12.Panel 104L can be any desired size, such as but not limited to the width (being described as " W ") of about 12 inches (12 ") and about four inches (4 ") to the height (being described as " H ") of about 6 inches (6 ").Preferably, LED106 and adjacent LED 106 separate at least about two inches (2 "), but are not more than 6 inches (6 ").Preferably, adjacent panels 104L is connected by flexible strip 126.Optionally, panel 104L can be connected to unshowned bus.Also preferably, as shown in FIG. 13A, multiple 134 panel 104L mono-can be folded with being placed in another top, or be rolled into packaging and transfer to desired locations facilitate shape.As directed, one easily shape be the multiple 134 column type shape cylinders shown in Figure 13 substantially.
In the specific embodiment of system 100 comprising panel 104L, preferably, LED106 equidistantly separates each other.Such as, each LED can apart from adjacent LED about four inches (4 ").Optionally, also can by 4 " interval is applied to adjacent LED 106 on adjacent panels 104L.Can level with one another or arrange adjacent panels 104L perpendicular to each other.In side length (such as, 9 inches), on another side short (such as, be less than 5 inches) panel size, can provide more easily be arranged in rectangular box label and, by regulating the location of layout, the differing heights of larger quantity and the case label of width can be held.
In another embodiment of system 100 comprising panel 104L, as shown in figure 14, can one be placed in ground, another top stack of panels 104L.In one embodiment, preferably, with the relation stack of panels 104L offset each other, thus top panel 104L does not hinder the light sent from these LED106 lower panel 104L.This technology can be used in the specific region of cabinet sign or the density increasing LED in all illuminated area of cabinet sign.Panel 104L can be arranged with stacked structure by the various technology of such as track, distribution supporter or fastener (snap-on) feature.The basal surface at one, the top of panel 104L can have fastener element and the top surface of lower panel 104L can have complementary fastener element.Optionally, one or more panel 104L can comprise standoff (stand-off).Standoff can be integrated or be connected to panel 104L.In an embodiment of stack of panels 104L, preferably, panel 104L does not contact each other.In this embodiment, standoff can comprise the fritter plastics for keeping the preferred distance between top panel and bottom panel 104L.
Figure 31 A and Figure 31 B shows vertical view 500 and the upward view 502 of the PCB assembly 508 utilized in grid LED panel 104L.Figure 32 shows the vertical view of the multiple grid LED panel 104L as shown in above Figure 12.Figure 33 A shows the vertical view of overmold 122 and Figure 33 B shows the upward view of overmold.Figure 33 C shows the exploded view of the overmold 122 with PCB assembly 508 and flexible strip 126.Figure 34 A and Figure 34 B shows vertical view 520 and the upward view 530 of the PCB assembly 508 shown in above Figure 31 A and Figure 31 B.
In fig. 17, a power supply 144 can be used to by using joining connector (splic connector) 146 to (1) row or multiple row panel to provide electric energy.As selection, as described in Figure 18, IDC136 and quick connecting line 148 can be used between row to transport electric energy from a row panel 104L to next column panel 104L.As shown in Figure 16 and Figure 17, power transmission stream is uploaded in the both sides of panel 104L.As selection, can only the side of panel 104L upload power transmission stream and IDC136 can be positioned at transmit electric current panel 104 this side on for electric energy being transported to another row panel 104L.As shown in figure 19, if needed, then the opposite side that flexible strip 162 can be connected to panel 104L is used for supporting.As selection, the distribution between adjacent panels can be soldered to each panel.For concrete system, IDC and the combination of welding can be used.In another embodiment, as shown in figure 15, electric energy can be provided to the both sides of panel 104L.Panel 104L in Figure 15 can comprise one or more IDC136.If need installation panel 104L for embody rule, then further optional feature is mounting points 138.
In an embodiment determined, single power supply can be used to provide electric energy to illuminate up to label face about 20 (20) square feet (ft to the panel 104 of the row or column of quantity sufficient
2) surface area.Further preferably, power supply be used to label face at least about ten four (14) square feet (ft
2) surface area electric energy is provided.Embodiment for the back light system described in literary composition can be applicable to these two systems of 12V and 24V.In addition, system 100 can be operating as the constant voltage being applied to each plate, the steady current being applied to each plate or constant voltage source.
In one embodiment, the LED106 on panel 104L can be electrically connected and use flexible circuit or distribution to be mounted to panel 104L.Whole panel 104L can be provided with overmold 122.In a method, during when removing packaging and when fixing label backboard, use distribution can participate in layout as the part of the mechanical support of system 100.In addition, distribution can provide non-fault assembly by providing redundant electric to connect (electrical connection) to power supply.Such as, one of two distributions can be cut and do not cut off electrical connection (eletrical tie), thus the additional flexibility of the rotation of panel placement or new beginning-of-line is provided.Can provide gap in material to allow the overlap of panel by constructing module, these gaps make LED expose to cabinet sign face from bottom panel.
System 100 can be used in the bilateral cabinet sign described in Figure 20 and Figure 21.In fig. 20, back-to-back installation two (2) row panel 104L.Fastener connector may be used for the relative panel 104L of back-to-back installation.As selection, as shown in figure 21, relative panel 104L can be separated desired distance D.
When panel 104L is mounted to backboard, if it is of concern that keep the LED106 on panel 104L vertical with the front surface of cabinet sign, then guide rail 150 can be used to the position of maintenance panel 104L.In Figure 22 A-Figure 22 F, various guide rail 150 is shown.In Figure 22 A, guide rail 150 can be described as the flat strips (flat bar) of all panel 104L crossed in panel row.In a second embodiment, guide rail 150 can be made up of two flat strips; One be mounted to panel 104L specifically arrange in the often end of panel 104L.3rd embodiment has been shown in Figure 22 C.During guide rail 105 can arrange by being applied to panel, two flat strips of two adjacent panels 104L form.In the end in embodiment, shown in Figure 22 D-Figure 22 F, guide rail 150 can comprise support.Preferably, support comprises base 152 and two upright arms 154.In the embodiment shown in Figure 22 E, panel 104L can be arranged in the dragging track of each arm 154.As for Figure 22 F, two adjacent panels 104L can be linked together, the top along each arm 154 of guide rail 150 connects the first panel and base 152 along guide rail 150 connects the second panel 104L.
Can with any suitable material manufacture for aiming at the guide rail 150 of panel 104L.In one embodiment, guide rail 150 can be made of plastics.But the other materials of structure also can be suitable.In addition, if needed, guide rail 150 can be fixed to backboard.
In alternative embodiments, panel 104L can be formed by the connector between vertical adjacent panels 104R.Connector can be vertical adjacent panels 104R both one of integrated package.In addition, each panel can comprise distribution from the passage of a vertical adjacent panels 104R through another vertical adjacent panels 104R.In addition, connector can be discrete component or polylith unit.Finally, connector can comprise hinge, thus between two adjacent panels 104R, the first panel can be moved to the second panel with arranging with non-parallel manner.
System 100 as above is less than 200 square feet of (ft as having
2) the illuminator of cabinet sign of surface area there is concrete favourable application.In another embodiment, the use of the system 100 in cabinet sign will maximize homogeneity, and not need label and use the degree of depth between the light source of the cabinet sign of fluorescence source identical.
And system 100 reduces label construction cost by by reducing the time be installed in casing by back light system.In addition, LED has longer expected life than fluorescent lamp bulb usually, it reduces maintenance cost.In addition, system 100 installs simple and flexible adaptation in different cabinet sign size.Except the casing that system 100 is applicable to different size, can apart from the various distance arrangement systems 100 in the label face of cabinet sign.In addition, system 100 is applicable to the cabinet sign of those types of the backboard had for installation system 100, and is applicable to those labels not comprising backboard.Therefore, system 100 is applicable to one-sided cabinet sign and bilateral cabinet sign.
In addition, the panel 104 of system 100 can use series/parallel structure.And adjacent column panel 104 can have the advantage that the plug and play between row connects.Plug and play between row connects can comprise panel 104, and panel 104 comprises one or two insulation displacement connectors or one or more open joint.
As for separate panels, in one embodiment, each panel can comprise the series LED chain of two (2) individual separation.As selection, each panel can comprise for separating of driver/each panel of at least two (2) individual separation of series LED chain (mixing on panel).Owing to spatially mixing the LED of each chain, this will have the advantage of the fault can not noticing a LED on label face, thus can not affect a region in label face significantly.
Is the cabinet sign comprising label face partial illustrations shown in Figure 23 and Figure 24, thus the back light system for each label is shown.In fig 23, label 200 comprises the single array of the panel 104L illuminating sign surface 202.Panel 104L is arranged with vertical row as shown in figure 12.Figure 24 comprises two array back system, wherein configured board 104L as illustrated in fig. 14.If if required, if expect to increase the optical density for illuminating label face 202, then two array can be used.
Figure 25 is the diagram of the panel 104L comprising overmold 122 and multiple LED106.Panel 104L also comprises shell 160 around the external margin of panel 104L and overmold 122.
Back light system 100 can there is no optical device.Optionally, system 100 optionally can not comprise any item of following item: (1) fluorescent powder panel, (2) brightness enhancement film, (3) fan diffuser and (4) light pipe.And system 100 can not comprise fluorescent lamp bulb and/or ballast resistor.
The particular advantages that system 100 also provides packaging and stores, its advantage is, system 100 can be collapsible or can reel under final user selects.This makes system 100 easily pack and be transported to final user, and similarly, after Dd, system 100 is convenient to final user and is stored.
In addition, the specific embodiment of system 100 may have the cutting resolution (cut resolution) being not more than 3, more preferably, is not more than 2 and even more preferably, is not more than 1.
Figure 26 A shows embodiment, wherein in order to provide the flexible illuminator of size and the light output with specific requirement, two modules 202 is connected to bridge 204.In fact bridge 204 can be made up of any suitable material of such as plastics or other similar materials.Each module 202 all can be connected to bridge 204 via the recess of the mechanical splice connector can received on bridge or similar structures.In a method, for the ease of transporting electric energy and/or electric control signal to module 202, bridge can comprise electric connector.In addition, bridge can comprise connector 212 to hold add-on module.
Each module 202 includes multiple LED203.Represent in embodiment one, three LED are comprised for each module 202.Can separate LED203 with preset distance, thus the LED203 of fixed qty part is based on the length of module 202.Because each module all can be dismantled from bridge 204, so can easily carry out destructing to illuminator to transport and pack it.
End cap power supply can be utilized to input plug-in unit 206 and to transport electric energy to the LED203 in module 202.End cap power supply input plug-in unit 206 can be convex assembly and be connected to module via recessed power input connectors 208.Power supply input plug-in unit 206 comprises the electrical contact being connected to recessed connector 208, to insert luck power transmission energy at power supply input plug-in unit 206.By this way, when module 202 being arranged in ad-hoc location, electric energy is transported in the connection that can input between plug-in unit 206 and recessed connector 208 via power supply.
Similarly, via modular power source throughput port 210, module 202 can be connected to add-on module 209.Figure 26 B shows the connection between module 202 and module 209 via modular power source throughput port 210 and the recessed power input connectors 208 of the correspondence in module 209.In this embodiment, modular power source throughput port 210 be positioned at module 202 opposite side on as external power input.But, can find, in fact modular power source throughput port 210 can be arranged in any position in module 202.The position of modular power source throughput port 210 can be relevant to the desired configuration of the module 202 be relative to each other.By allowing the flexible connection between module at the power connector facilitating position to provide to be associated, thus be conducive to the flexible design illuminating element and the manufacture of various expectation.
Figure 26 C shows how via connector 212, second array 214 to be connected to bridge 204.In one embodiment, Figure 26 D shows utilization multiple modules 202 as shown in fig. 26 and the single array illumination system 220 of bridge 204 making.Figure 26 E shows two array illumination system 224.In one approach, illumination system 224 is made by multiple second array 214 is connected to multiple corresponding connector 212.
Figure 27 A shows the interlocking LED panel 230 being conducive to single array or two array module.Interlocking panels 230 comprises multiple recess 232,234,236,238,240,242 and 244 that can hold diverse interlocking modules and export with the additional optical being provided for system.Each recess 232-244 all can comprise one or more connector, and this connector is given prominence to from the surface of each recess of LED panel 230 and is installed in the back side of the LED panel be stacked on top.Each bulge-structure 246,248,250,252,254 and 256 all arranges a LED.As above shown in fig. 12, provide electric energy via the power lead 260 and 262 be positioned on any side of panel 230 to interlocking panels 230.Can find, in fact LED can separate with any distance and this interval can be uneven on whole panel each other.
Figure 27 B shows the single matrix lamp system 270 utilizing multiple interlocking LED panel 230.Illuminator 270 comprises five row, and wherein often row include four interlocking panels 230.Distribute from the electric energy often arranged via power connector 272,274,276 and 278.By this way, in fact can with the multiple panel of any anatomical connectivity.
Figure 27 C shows the illuminator 280 comprising two array interlocking LED panel 230.In first group of stacked on top, second group of LED panel, thus via the connector be positioned on the surface of each recess 232-244, the back side of top LED panel is connected to bottom group LED panel.Two array system 280 is very similar with single array system 270 in connectivity.But system 280 also comprises second group of LED panel 230 of the recess 232-244 being arranged in single array system 270.The electric energy of second group of LED panel can be provided for via two power leads 260 and 262.In one approach, provide electric energy via from bottom group LED panel to the connector of top group LED panel, thus top group panel does not need connected power lead.
Figure 28 A show comprise settle in parallel with each other and the I shape LED panel 290 of the first arm 310 connected by bridging member 314 and the second arm 312.First arm 310 comprises three LED and two connectors 292 and 294.Second arm 312 comprises three LED and two connectors 292 and 294.First arm 310 is connected via the bridge 314 comprising connector 300 with the second arm 312.Connector can be utilized to allow the stacking of I shape LED panel 290 thus to provide two array LED panel for the lighting system structure expected.In one approach, connector is the teat on the surface from the I shape LED panel in the corresponding dimple loaded on the back side of stacking LED panel on top of this.
Electric energy is transported via power lead 302 and 304 to I shape LED panel 290.Figure 28 B shows the alternate embodiment of transporting electric energy via power lead 306 and 308 to I shape LED panel 290.In this embodiment, be connected the first arm 310 and the second arm 312 via power lead 306 with 308 respectively.In diverse embodiment, via connector 292-300 electric energy can be transported to the top LED panel in two array structure.
Figure 28 C shows the single matrix lamp system 340 comprising multiple I shape LED panel 290.Single matrix lamp system 340 comprises five row I shape LED panel, and wherein, often row include four I shape LED panel.Can find, any amount of in fact LED panel can be configured in any in fact mode.Often arrange I shape LED panel to connect via connecting line 342,344,346 and 348.Connecting line 342-348 can be utilized to provide electric energy and/or control signal from one group of I shape LED panel to another group.Figure 28 D shows two matrix lamp systems 350 of the single matrix lamp system 340 comprising the additional arrays with stacking I shape light-emitting component at an upper portion thereof.As discussed above, via connector 292-300, the second top array can be connected to bottom array.
Figure 29 A shows H-shaped LED panel 360.LED panel 360 comprises the first arm 362, second arm 364 and the 3rd arm 366.First arm 362 is parallel to each other with the second arm 364 and be connected the first arm and the second arm via with the 3rd arm 366 of the first arm 362 and the second arm 364 vertical orientation.First arm comprises three LED and connector 366 and 368.Second arm comprises three LED and connector 370 and 372.3rd arm 366 comprises the connector 374 between the first arm 362 and the second arm 364.
3rd arm 366 can comprise one or more power lead being positioned at arm body.The bottom of the 3rd arm 366 can comprise convex power connector 376.The top of the 3rd arm 366 can comprise recessed supply socket 378.By this way, via the convex and recessed power connector transporting electric energy to all LED panel, H-shaped LED panel can be connected to one or more diverse H-shaped LED panel.Figure 29 B shows this electric energy and transports.Can find, although transport electric energy via the 3rd arm 366, in fact can pass on any signal.One example can be the control signal utilizing concrete communication protocol.
Figure 29 C shows the single matrix lamp system 380 comprising multiple H-shaped LED panel 360.Single matrix lamp system 380 comprises five row H-shaped LED panel, and wherein, often row include four H-shaped LED panel.Can find, any amount of in fact LED panel can be configured in any in fact mode.Often row H-shaped LED panel connects via connecting line 382,384,386 and 388.Connecting line 382-388 can be utilized to provide electric energy and/or control signal from one group of H-shaped LED panel to another group.Figure 29 D shows two matrix lamp systems 390 of the single matrix lamp system 380 comprising the additional arrays with stacking H-shaped light-emitting component at an upper portion thereof.Via connector 366-374, the second top array can be connected to bottom array.Illuminator 380 and 390 can be decomposed into multiple single led panel, to be conducive to the tight transport from position a to another location.
Figure 30 A shows two modules 400 and 402 respectively comprising three LED.Each module is formed by the socket of three on single axle (pod) (each LED socket), and wherein, each socket is connected to an adjacent outlet by arm.Module 400 comprises the outer hinge assembly 404 on the first side of module and interior hinge assembly 406 on the second side.Central socket holds power lead 408.Via hinge assembly and outer hinge assembly in the outer hinge assembly 404 of module 400 and interior hinge assembly 406 to the correspondence of module 402, module 400 is connected to module 402.Utilize connector 410 and 412 so that the top being conducive to second group of LED module to be stacked on first group to be mechanically attached to two matrix lamp systems of first group.Figure 30 B shows two groups of multiple modules to fold and thinks that transmission provides compacter floor area.It is this folding via two or more model calling hinge is together conducive to.
Figure 30 C shows the single matrix lamp system 420 comprising multiple LED module 400.Single matrix lamp system 420 comprises five row LED modules, and wherein, often row include four LED modules.Can find, the LED module of in fact any amount can be configured in any in fact mode.Figure 30 D shows two matrix lamp systems 440 of the single matrix lamp system 420 comprising the additional arrays with stacking LED module at an upper portion thereof.Via connector 410 and 412, second top array can be connected to bottom array.Illuminator 420 and 440 can be decomposed into multiple single led module, to be conducive to the tight transport from position a to another location.
Describe exemplary embodiments with reference to preferred embodiment.Significantly, read according to other staff and understand detailed description in the past, multiple amendment and change will be had.Be intended to exemplary embodiments to be interpreted as comprising be in its claims or equivalent scope in all this change and replacement.
Claims (47)
1., for illuminating an illuminator for label, described system comprises:
The module of multiple electrical interconnection, each module comprises the circuit on supporter, supporter and is electrically connected at least one light emitting diode of described circuit (" LED ");
Be electrically connected one or more electric conductors of described multiple module; And
With one or more flexible strips that described one or more electric conductor is irrelevant, described bar mechanically connects adjacent block.
2. the system as claimed in claim 1, wherein, described one or more electric conductor and described one or more flexible strip have abundant flexibility, and a module can be folded on its adjacent block.
3. the system as claimed in claim 1, wherein, described one or more flexible strip comprises band.
4. the system as claimed in claim 1, also comprises the coating film product at least partially of the front surface covering described supporter.
5. the system as claimed in claim 1, wherein, each module is included in the multiple LED arranged in one-dimensional array.
6. the system as claimed in claim 1, wherein, each module is included in the multiple LED arranged in two-dimensional array.
7. the system as claimed in claim 1, wherein, described LED is opened by equidistant separation.
8. the system as claimed in claim 1, also comprises three or more module, and wherein, described one or more flexible strip mechanically connects adjacent block with equidistant each other.
9. the system as claimed in claim 1, wherein, the module generation grid of described multiple electrical interconnection.
10. the system as claimed in claim 1, also comprises clamping element, for described illuminator being fixed to the framework of label.
11. the system as claimed in claim 1, wherein, described supporter comprises double-sided printed (" PCB ").
12. 1 kinds of labels, comprise framework and the illuminator as claimed in claim 1 being connected to described framework.
13. labels as claimed in claim 12, wherein, the described multiple module of middle layout of being expert at.
14. labels as claimed in claim 12, wherein, arrange described multiple module in row.
15. 1 kinds of back light systems, comprising:
A) more than first light emitting module, each module comprises:
Supporter,
Circuit on described supporter,
Be electrically connected to described circuit and the multiple light emitting diodes arranged in each module with spaced relationship in the first array,
Cover the coating film product of described supporter;
B) wherein, described more than first light emitting module is arranged with spaced relationship each other in the second array, makes the relative spacing of the light emitting diode between adjacent block substantially identical with the relative spacing of the light emitting diode in given module;
C) one or more insulated electric conductors of described more than first module are electrically connected; And
D) one or more flexible strips of the adjacent block in the second array are mechanically connected.
16. back light systems as claimed in claim 15, wherein, the relative spacing between described one or more flexible strip definition adjacent block.
17. back light systems as claimed in claim 15, comprising:
A) more than second light emitting module, each module comprises:
Supporter,
Circuit on described supporter,
Be electrically connected to described circuit and the multiple light emitting diodes arranged in each module with spaced relationship in the 3rd array,
Cover the coating film product of described supporter;
B) wherein, described more than second light emitting module is arranged with spaced relationship each other in the 4th array, makes the relative spacing of the light emitting diode between adjacent block substantially identical with the relative spacing of the light emitting diode in given module;
C) one or more insulated electric conductors of described more than second module are electrically connected; And
D) one or more flexible strips of the adjacent block in the 4th array are mechanically connected.
18. back light systems as claimed in claim 17, wherein, described 4th array, to arrange with the spaced relationship of described second array, makes the relative spacing from the light emitting diode between described more than first module and the adjacent block of more than second module substantially identical with the relative spacing of the light emitting diode in given module.
19. back light systems as claimed in claim 17, wherein, described second array and described 4th array are relative to each other arranged in common plane.
20. back light systems as claimed in claim 17, wherein, described more than first light emitting module is electrically connected to described more than second light emitting module, and comprises power supply to be energized to described more than first light emitting module and described more than second light emitting module.
21. back light systems as claimed in claim 15, wherein, described light emitting diode is arranged in the module in linear array.
22. back light systems as claimed in claim 15, wherein, described light emitting diode is arranged in the module in two-dimensional array.
23. back light systems as claimed in claim 18, wherein, described more than first module and described more than second module disposed adjacent one another in one of a succession of columns and rows.
24. systems as claimed in claim 15, wherein, adjacent block is connected by distribution, and described distribution has abundant flexibility, makes the adjacent block of described multiple module can be folded to over each other.
25. back light systems as claimed in claim 17, wherein, described more than second module, relative to described more than first module arrangement, makes the light emitting diode of described more than second module in the light emitting diode intermediate arrangement of described more than first module.
26. back light systems as claimed in claim 17, wherein, described more than second module, relative to described more than first module arrangement, makes the light emitting diode of described more than second module be arranged to guide light in the relative direction of the light emitting diode of described more than first module.
27. 1 kinds of cabinet signs, comprise back light system as claimed in claim 17.
28. cabinet signs as claimed in claim 27, wherein, described light emitting diode has the case label depth coefficient of about 1.4 or less.
29. 1 kinds, for the module illuminated from behind in cabinet sign, comprising:
Printed-wiring board (PWB);
Be arranged on the multiple LED on the first surface of described wiring board, wherein, described LED is opened by equidistant separation;
Be connected to the coating film product of described printed-wiring board (PWB) on the first surface; And
Promote one or more interconnectivity component of the electrical connection between described module and one or more diverse module.
30. modules as claimed in claim 29, wherein, described interconnectivity element is one of the male connector and recessed connector that are connected to module by distribution.
31. modules as claimed in claim 29, wherein, described module comprises the parallelogram with center gap.
32. modules as claimed in claim 29, wherein, described module also comprises the element dividing described center gap equally.
33. modules as claimed in claim 29, wherein, described wiring board comprises the second surface relative with first surface, and described second surface comprises multiple LED.
34. 1 kinds, for the back light system in cabinet sign, comprising:
The multiple interconnecting modules configured in the first array, each module is electrically coupled at least one other module and each module is mechanically fastened at least one other module through flexible strip; And
Be positioned at the multiple light emitting diodes on the surface of each module, each diode reservation distance apart.
35. cabinet signs as claimed in claim 34, wherein, described light emitting diode has the case label depth coefficient in the scope of from about 1.25 to about 0.5.
36. back light systems as claimed in claim 34, also comprise the second array of the module being interconnected to the first array, and wherein, each module is interconnected to another module via the male connector from a module and the recessed connector from another module.
37. 1 kinds for illuminating the illuminator of label, described system comprises:
The module of multiple electrical interconnection, each module comprises circuit on supporter, the front surface of supporter and back surface, is electrically connected at least one light emitting diode (" LED ") of described circuit, each of described front surface and back surface;
Be electrically connected one or more insulated electric conductors of described multiple module, and
Mechanically connect one or more flexible strips of adjacent block, described one or more flexible strip is different from described one or more insulated electric conductor.
38. systems as claimed in claim 37, wherein, the module of each described electrical interconnection also comprises one or more electric connector and one or more mechanical connector, described one or more electric conductor is via the described multiple module of one or more electric connector electrical connection, and described one or more flexible strip mechanically connects adjacent block via described one or more mechanical connector.
39. 1 kinds of cabinet signs, comprising:
Casing;
The array of light emitting module, each module comprises the circuit on supporter, supporter and is electrically connected at least one light emitting diode of described circuit (" LED ");
Described array comprises the multiple modules by one or more electric connector and the interconnection of one or more flexible mechanical connector;
Described array has the second end of the first end of the sidewall engaging described casing and the opposing sidewalls of the described casing of engagement.
40. labels as claimed in claim 39, also comprise clamping element, for described array being fixed to the framework of described label.
41. labels as claimed in claim 39, wherein, each module is included in the multiple LED arranged in two-dimensional array.
42. labels as claimed in claim 39, wherein, described one or more electric conductor is separated with described one or more flexible mechanical connector.
43. labels as claimed in claim 39, comprise at least two arrays.
44. 1 kinds of installations are for illuminating the method for the illuminator of label, and described method comprises:
By via one or more flexible strip mechanically link block and at least two bars and described label being fixed, form the string of LED module;
Be electrically connected the module of multiple electrical interconnection via one or more electric conductor, the module of described multiple electrical interconnection respectively comprises circuit on supporter, supporter, is electrically connected at least one light emitting diode (" LED ") of described circuit.
45. methods as claimed in claim 44, also comprise:
Via clamping element, described illuminator is fixed to the framework of label.
46. methods as claimed in claim 44, also comprise:
The module of described multiple electrical interconnection is arranged in one-dimensional array.
47. methods as claimed in claim 44, also comprise:
The module of described multiple electrical interconnection is arranged in two-dimensional array.
Applications Claiming Priority (7)
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US60/849653 | 2006-10-05 | ||
US11/784,639 US9564070B2 (en) | 2006-10-05 | 2007-04-09 | LED backlighting system for cabinet sign |
US11/784,639 | 2007-04-09 | ||
US11/784639 | 2007-04-09 | ||
CN200780041886.2A CN101536066B (en) | 2006-10-05 | 2007-10-04 | Led backlighting system for cabinet sign |
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CN200780041886.2A Division CN101536066B (en) | 2006-10-05 | 2007-10-04 | Led backlighting system for cabinet sign |
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CN104269112A true CN104269112A (en) | 2015-01-07 |
CN104269112B CN104269112B (en) | 2018-06-08 |
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CN200780041886.2A Expired - Fee Related CN101536066B (en) | 2006-10-05 | 2007-10-04 | Led backlighting system for cabinet sign |
CN201410099341.9A Expired - Fee Related CN104269112B (en) | 2006-10-05 | 2007-10-04 | For the LED backlight system of cabinet sign |
CN202411316123.6A Pending CN118898955A (en) | 2006-10-05 | 2007-10-04 | LED backlighting system for cabinet signage |
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CN200780041886.2A Expired - Fee Related CN101536066B (en) | 2006-10-05 | 2007-10-04 | Led backlighting system for cabinet sign |
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CN202411316123.6A Pending CN118898955A (en) | 2006-10-05 | 2007-10-04 | LED backlighting system for cabinet signage |
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US7273300B2 (en) * | 2004-08-06 | 2007-09-25 | Lumination Llc | Curvilinear LED light source |
KR101095637B1 (en) * | 2004-09-23 | 2011-12-19 | 삼성전자주식회사 | Light generating device, backlight assembly having same, and display device having backlight assembly |
US20060075666A1 (en) * | 2004-10-07 | 2006-04-13 | Robbie Thielemans | Display and corresponding support, emissive lighting display modules and packaging for such display modules |
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2007
- 2007-10-04 CN CN201810249559.6A patent/CN108492726A/en active Pending
- 2007-10-04 WO PCT/US2007/080456 patent/WO2008043025A2/en active Application Filing
- 2007-10-04 ES ES07843847.0T patent/ES2615177T3/en active Active
- 2007-10-04 CN CN200780041886.2A patent/CN101536066B/en not_active Expired - Fee Related
- 2007-10-04 EP EP07843847.0A patent/EP2070071B1/en not_active Not-in-force
- 2007-10-04 CN CN201410099341.9A patent/CN104269112B/en not_active Expired - Fee Related
- 2007-10-04 CN CN202411316123.6A patent/CN118898955A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016187932A1 (en) * | 2015-05-22 | 2016-12-01 | 深圳金立翔视效科技有限公司 | Led light board assembly |
CN109386766A (en) * | 2017-08-14 | 2019-02-26 | 通用电气照明解决方案有限公司 | Lighting system |
Also Published As
Publication number | Publication date |
---|---|
CN104269112B (en) | 2018-06-08 |
EP2070071B1 (en) | 2016-11-16 |
CN101536066A (en) | 2009-09-16 |
ES2615177T3 (en) | 2017-06-05 |
CN101536066B (en) | 2014-04-16 |
WO2008043025A3 (en) | 2008-11-20 |
CN118898955A (en) | 2024-11-05 |
EP2070071A4 (en) | 2011-03-09 |
EP2070071A2 (en) | 2009-06-17 |
WO2008043025A2 (en) | 2008-04-10 |
CN108492726A (en) | 2018-09-04 |
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