CN104700726A - LED display device - Google Patents
LED display device Download PDFInfo
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- CN104700726A CN104700726A CN201510150038.1A CN201510150038A CN104700726A CN 104700726 A CN104700726 A CN 104700726A CN 201510150038 A CN201510150038 A CN 201510150038A CN 104700726 A CN104700726 A CN 104700726A
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- viewing area
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- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses an LED display device which comprises a support structure provided with an LED display area. A plurality of luminous bodies are arranged on the LED display area; the support structure is characterized in that an adjusting unit used for adjusting dipping light of the LED display area is arranged on the outer portion of the LED display area. By the arrangement, the light dipping direction of the LED display area is adjusted, so that the light dipping direction of the LED display device can be controlled, special watching angles can be adapted, light pollution is avoided to some extent, and high market application values are achieved.
Description
Technical field
The present invention relates to LED field, in particular, a kind of LED display.
Background technology
Along with the development of technology, LED is used widely.LED is the one of semiconductor diode, electric energy conversion can be become luminous energy.Light emitting diode is the same with general-purpose diode to be made up of a PN junction, also has unilateral conduction.After adding forward voltage to light emitting diode, be injected into the hole in N district from P district and be injected into the electronics in P district by N district, near PN junction in several microns respectively with the electronics in N district and the hole-recombination in P district, produce the fluorescence of spontaneous radiation.In different semiconductor materials, electronics is different with the energy state residing for hole.The amount discharged when electronics and hole-recombination is different, and the energy discharged is more, then the wavelength of the light sent is shorter.Conventional is glows, the diode of green glow or gold-tinted.The breakdown reverse voltage of light emitting diode is greater than 5 volts.Its forward volt-ampere characteristic is very steep, and during use, necessary series limiting resistor is to control the electric current by diode.
LED display (LED panel) is a kind of by controlling the display mode of semiconductor light-emitting-diode, is used for showing the display screen of the various information such as word, figure, image, animation, market, video, video signal.Such as, by suitable connection (comprising series and parallel connections) and the suitable optical texture of light-emitting diode chip for backlight unit.Luminescence segment or the luminous point of active display can be formed.Charactron, symbol pipe, M-tube, matrix pipe, lever indicator pipe etc. can be formed by these luminescence segments or luminous point.Usually charactron, symbol pipe, M-tube nominal stroke display, and stroke display and matrix pipe are referred to as alphanumeric display.
LED display has the following advantages:
1) luminosity is strong, and in visual range during direct sunlight screen surface, displaying contents is high-visible; Have 1024-4096 level gray-scale Control, more than Show Color 16.7M, clear color is true to nature, and stereoscopic sensation is strong.
2) static scanning technology, adopt static latch scan mode, high-power driving, fully ensures luminosity.
3) ABC has automatic brightness adjusting function, can obtain best result of broadcast under different lightness environment.
4) adopt import large scale integrated circuit, reliability improves greatly, is convenient to debugging maintenance comprehensively.
5) advanced digitized video process, technical point cloth scans, the liquid crystal-spliced technology high definition display of BSV, modular design/constant current static drive, automatic brightness adjustment, super bright pure color pixel, and image frame is clear, non-jitter and ghost image, stops distortion.
But existing LED display can not adjust the bright dipping of LED viewing area.
Summary of the invention
The invention provides a kind of LED display of new adjustable LED viewing area bright dipping.
Technical scheme of the present invention is as follows: a kind of LED display, and it comprises supporting structure; Described supporting structure arranges LED viewing area, and it arranges some LED illuminator; Described supporting structure at outer setting one adjusting gear of described LED viewing area, for adjusting the bright dipping of described LED viewing area.
Such as, described adjusting gear is lens, and and for example, described adjusting gear comprises the contact site of the exiting surface position adhered in described LED viewing area, and such as, described contact site arranges cushion.
Such as, the some adjustment units of described adjusting gear arranged in matrix; Such as each described adjustment unit arranged in matrix.
And for example, described adjustment unit comprises a micro mirror body, and such as, described micro mirror body is convex lens or concavees lens; And for example, each micro mirror body is arranged by row, and often row micro mirror body, namely each micro mirror body queue, connects a driving stem respectively, and such as, a driving stem controls a row micro mirror body queue simultaneously.
Such as, described adjustment unit arranges deflection structure, and such as, described adjustment unit comprises a micro mirror body, and such as, described micro mirror body is refracting telescope.
Such as, described adjustment unit comprises liquid crystal cells; And for example, described micro mirror body and described liquid crystal cells adjoin and arrange.
Preferably, in described LED viewing area, below LED illuminator described in each, reflective areas is set.
Preferably, described LED viewing area arranges some LED lamp bar, and LED lamp bar described in each arranges some LED illuminator.
Preferably, LED lamp bar described in each linearly arranges some LED illuminator.
Preferably, each described LED lamp bar be arranged in parallel.
Preferably, the some LED illuminator of described LED viewing area arranged in matrix.
Preferably, each described LED illuminator respectively surface mount packages be LED surface mounted light.
Preferably, arrange some modules, each module arranges some LED surface mounted lights.
Preferably, described supporting structure also arranges driving governor, for driving described adjusting gear and each described LED illuminator.
Preferably, described supporting structure also arranges the storer be connected with described driving governor.
Preferably, described supporting structure also arranges the data collector be connected with described storer.
Adopt such scheme, present invention achieves the LED display of the bright dipping of adjustment LED viewing area, the light direction of LED display can be controlled, special viewing angle can be adapted to, it also avoid light pollution to a certain extent, there is very high market using value.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of an embodiment of LED display of the present invention;
Fig. 2 is the schematic diagram of the removal adjusting gear of another embodiment of LED display of the present invention;
Fig. 3 is the schematic diagram of another embodiment of LED illuminator of the present invention;
Fig. 4 is the schematic diagram of another embodiment of LED illuminator of the present invention;
Fig. 5 is the support schematic diagram of another embodiment of LED illuminator of the present invention;
Fig. 6 is the schematic diagram of another embodiment of LED illuminator of the present invention;
Fig. 7 is the schematic diagram of another embodiment of LED illuminator of the present invention;
Fig. 8 is the schematic diagram of another embodiment of LED illuminator of the present invention;
Fig. 9 is the schematic diagram of another embodiment of LED illuminator of the present invention;
Figure 10 is the encapsulating structure schematic diagram of another embodiment of LED illuminator of the present invention;
Figure 11 is the encapsulating structure schematic diagram of another embodiment of LED illuminator of the present invention.
Embodiment
For the ease of understanding the present invention, below in conjunction with the drawings and specific embodiments, the present invention will be described in more detail.But the present invention can adopt many different forms to realize, and is not limited to the embodiment described by this instructions.It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology of using of this instructions and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention in this instructions just in order to describe specific embodiment is not for limiting the present invention.Term that this instructions uses " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
One embodiment of the present of invention are, a kind of LED display, and it comprises supporting structure; Described supporting structure arranges LED viewing area, and it arranges some LED illuminator; Described supporting structure at outer setting one adjusting gear of described LED viewing area, for adjusting the bright dipping of described LED viewing area.Like this, by arranging adjusting gear, the light direction of LED viewing area can be adjusted, the light direction of LED display can be controlled, special viewing angle can be adapted to, it also avoid light pollution to a certain extent.
Such as, as shown in Figure 1, a kind of LED display, it comprises supporting structure 410; Described supporting structure arranges LED viewing area, and it arranges some LED illuminator 420; Described supporting structure at outer setting one adjusting gear 430 of described LED viewing area, for adjusting the bright dipping of described LED viewing area.Preferably, LED illuminator matrix arranges, and such as, LED illuminator is LED chip, and its encapsulation is arranged on described supporting structure; Or LED illuminator is LED, it is fixedly installed on described supporting structure; Such as, LED illuminator is LED component, it at least one LED chip comprising pedestal and be arranged at described pedestal.Such as, LED illuminator is LED surface mounted light.
Such as, described adjusting gear comprises some drive link, also comprises some drive-connecting shafts and the anti-dazzling screen with its pivot joint, described anti-dazzling screen under drive link effect and its drive-connecting shaft rotate up and down, thus adjustment LED viewing area light direction.And for example, described adjusting gear also comprises lens, and and for example, described adjusting gear comprises refracting telescope, and for reflecting the light direction of LED viewing area, and for example, described adjusting gear comprises refracting telescope, for the light direction of controlled refraction LED viewing area.Such as, make it reflect downwards, and for example, make it reflect left, and for example, make its below refraction left, and for example, make it offset 30 degree left and offset downward 40 degree of refractions, by that analogy.And for example, described anti-dazzling screen is described refracting telescope.
And for example, described adjusting gear comprises the contact site of the exiting surface position adhered in described LED viewing area, and such as, described contact site arranges cushion.Such as, described cushion comprises some damping adhesive tape.And for example, each damping adhesive tape be arranged in parallel; Like this, can avoid to a certain extent installing or in transport, causing damage to described adjusting gear.
Preferably, described adjusting gear is framed structure, such as, and the some adjustment units of described adjusting gear arranged in matrix; Such as each described adjustment unit arranged in matrix.And for example, described adjustment unit comprises a micro mirror body, and such as, described micro mirror body is convex lens or concavees lens; And for example, each micro mirror body is arranged by row, and often row micro mirror body, namely each micro mirror body queue, connects a driving stem respectively, and such as, a driving stem controls a row micro mirror body queue simultaneously.Such as, control a row micro mirror body queue by described driving stem, to adjust its yawing moment, thus the light direction of adjustment LED viewing area, the light direction of LED display can be controlled, special viewing angle can be adapted to.Preferably, a LED in the corresponding LED viewing area of adjustment unit described in each shows casing, a LED display module or a LED illuminator.
Preferably, described supporting structure also arranges driving governor, for driving described adjusting gear and each described LED illuminator.Such as, driving governor drives described adjusting gear to adjust the light direction of LED viewing area; And for example, driving governor connects each driving stem respectively, controls a corresponding row micro mirror body queue respectively by each described driving stem, to adjust its yawing moment, thus the light direction of adjustment LED viewing area.And for example, driving governor drives each described LED illuminator luminous, and such as, driving governor comprises display controller, central processing unit, pulsewidth regulation and control driver and adjustment driver etc.; Preferably, each driving stem of driving governor synchronized links, and each driving stem of synchronous driving.Preferably, described supporting structure also arranges the storer be connected with described driving governor.Preferably, described supporting structure also arranges the data collector be connected with described storer.
Such as, described adjustment unit arranges deflection structure, such as, described adjustment unit comprises a micro mirror body, and such as, described micro mirror body is refracting telescope, for reflecting the light direction of LED viewing area, such as, it is made upwards to reflect, and for example, it is made to reflect to the right, and for example, it is made to reflect to the right, and for example, make it offset 40 degree to the right and offset downward 25 degree of refractions, by that analogy.
Such as, described adjustment unit comprises liquid crystal cells; And for example, described micro mirror body and described liquid crystal cells adjoin and arrange.Preferably, in described LED viewing area, below LED illuminator described in each, reflective areas is set.Such as, a reflector or reflective surface are set below LED illuminator described in each.
Preferably, as shown in Figure 2, described LED viewing area arranges some LED lamp bar 440, and LED lamp bar described in each arranges some LED illuminator 420.Preferably, as shown in Figure 2, LED lamp bar 440 described in each linearly arranges some LED illuminator 420.Preferably, as shown in Figure 2, each described LED lamp bar 440 be arranged in parallel.Preferably, as shown in Figure 1, the some LED illuminator 420 of described LED viewing area arranged in matrix.
Preferably, each described LED illuminator respectively surface mount packages be LED surface mounted light.Preferably, arrange some modules, each module arranges some LED surface mounted lights.Adopt LED surface mounted light, contribute to promoting integrated level, reduce the dot spacing of described LED display.
And for example, described LED illuminator, they some LED chips comprising pedestal and be arranged at described pedestal; Described pedestal arranges some supports, and the angle of the bottom of described support and described pedestal is 30 to 80 to spend; The angle of adjacent two stands is 70 to 150 degree.Such as, the angle of the bottom of described support and described pedestal is 30,35,40,50,55,60,70,75 or 80 degree; And for example, the angle of adjacent two stands is 70,75,80,90,95,100,110,120,125,130,140 or 150 degree.Like this, by the design of support, achieve the multi-direction bright dipping of LED component.Such as, described Bracket setting photic zone, for appearing the light of LED chip; Preferably, at least one LED chip is arranged at least one support; Such as, a kind of LED component, it comprises pedestal and some LED chips; Bracket setting one LED chip described in each; Or, at least one LED chip of Bracket setting described in each.Preferably, Bracket setting one LED chip described in each.Like this, the LED component of multi-direction bright dipping can be realized better.
Such as, described pedestal arranges concave part and lug boss; Described lug boss arranges at least one LED chip; Described concave part arranges some LED chips.Such as, the sidewall locations of described pedestal is as the first side wall of described concave part; And for example, each described support encloses the described lug boss of composition as the second sidewall of described concave part.And for example, the top of described lug boss has platform structure.Such as, as shown in Figure 7, each described support encloses as the second sidewall of described concave part the sidewall forming described lug boss, each sidewall of described lug boss is provided with the platform structure of plane.Like this, the intensity of bright dipping can be increased, manufacture the high-power LED lamp that integrated level is high.
Such as, described LED illuminator, as shown in Figure 3, wherein, described LED illuminator comprises pedestal 210 and is arranged at some LED chips 230 of described pedestal; Described pedestal is arranged some supports 220, the angle of the bottom 240 of described support and described pedestal is 30 to 80 to spend; The angle of adjacent two stands is 70 to 150 degree.As shown in Figure 3, two supports 220 are set, each support are arranged three LED chips 230.Such as, the bottom of described pedestal arranges at least one LED chip.And for example, as shown in Figure 4, the bottom 240 of described pedestal is also provided with LED chip 230.Like this, the direction of bright dipping can be increased, and strengthen the effect of bright dipping.
Preferably, two supports are set.Such as, the angle of two described supports is 90 degree.Such as, can production standard part, strictly arranging its light direction is 45 degree.And for example, three supports are set.Such as, as shown in Figure 5, three supports are set.Such as, the angle of the bottom of described support and described pedestal is 35 to 55 to spend.Such as, the angle of the bottom of described support and described pedestal is 35,38,40,42,43 or 55 degree.
Preferably, the one-body molded setting of each support.Such as, each support forms triangular pyramid structure; And for example, each support forms conical structure.And for example, each support forms frustum structure or frustum cone structure.Such as, the one-body molded sidewall portion being set to frustum cone structure of each support.
Preferably, the bottom of each support encloses a circle on described pedestal.Such as, as shown in Figure 5, arrange three supports, the bottom of each support encloses a circle on described pedestal.Preferably, described support has sector crosssection.And for example, each holder combination forms a truncated cone-shaped; Preferably, the top of truncated cone-shaped is parallel with the bottom of described pedestal.Preferably, the top place of truncated cone-shaped arranges at least one LED chip.
And for example, described LED illuminator, it comprises pedestal; Described pedestal arranges concave part and lug boss; Such as, each described support encloses as the second sidewall of described concave part the sidewall forming described lug boss.
In order to strengthen radiating effect, such as, described pedestal comprises aluminium, copper, gold and/or nickel, and preferably, described pedestal arranges copper sandwich layer, to strengthen radiating effect.And for example, described pedestal also comprises graphite linings, and such as, described pedestal arranges two-layer described copper sandwich layer, wherein clamps graphite linings described in one deck.Preferably, the thickness of described graphite linings is 8 ~ 10 times of the thickness of described copper sandwich layer, and such as, the thickness of described graphite linings is 10 times of the thickness of described copper sandwich layer.
Wherein, described lug boss arranges at least one LED chip; Described concave part arranges some LED chips.Such as, as shown in Figure 6, a kind of LED component, it comprises pedestal 300 and LED chip 330; Described pedestal arranges concave part 310 and lug boss 320; Described lug boss arranges at least one LED chip; Described concave part arranges some LED chips.And for example, as shown in Figure 7, concave part 310 arranges some LED chips, comprise LED chip 331 and LED chip 332, lug boss 320 is arranged LED chip 333, form double-deck luminescence system.For ease of installing and arrangement, preferably, described pedestal is circular or square, and and for example, described concave part is circular or square.Such as, described pedestal is circular, and described concave part is circular; And for example, described pedestal is circular, and described concave part is square; And for example, described pedestal is square, and described concave part is circular; And for example, described pedestal is square, and described concave part is square.Preferably, described concave part is annular; Or described concave part is " returning " shape.
Such as, enclosed by support and pedestal and form described concave part; Such as, the degree of depth of described concave part is 0.2mm ~ 4mm, and such as, the degree of depth of described concave part is 0.2,0.3,0.4,0.6,0.9,1,1.2,1.44,1.56,1.8,2.1,2.3,2.5,2.8,3,3.1,3.4,3.5,3.7 or 4mm; And for example, the degree of depth of described concave part is 0.3mm ~ 3.5mm; And for example, described lug boss is Rotary-table structure; And for example, the opening of described pedestal is rectangle, circle or oval.Such as, phosphor powder layer is set at described opening.
And for example, described lug boss arranges at least two LED chips; Such as, as shown in Figure 6, described lug boss arranges four LED chips.Preferably, the gap of two adjacent LEDs chip is 20% to 60% of LED chip width, and such as, the gap of two adjacent LEDs chip is 30% to 50% of LED chip width.Like this, can arrange light-emitting zone at lug boss, fully the space of application lug boss, achieves multi-direction bright dipping high-power LED illuminator part.
And for example, each LED chip order arrangement in described concave part, the LED chip of end adjoins the LED chip of initial place; Such as, as shown in Figure 6, be arranged in an annular, the LED chip of end adjoins the LED chip of initial place, and for example, is arranged in " a returning " shape; Preferably, the gap of two adjacent LEDs chip is 20% to 60% of LED chip width.And for example, the gap of two adjacent LEDs chip is 25% to 45% of LED chip width.Or the gap of two adjacent LEDs chip is 20% to 60% of LED chip breadth extreme.Such as, LED chip is circular, rectangle or square, and the gap of two adjacent LEDs chip is 25% to 45% of LED chip breadth extreme.
Preferably, described concave part has the first side wall and the second sidewall, and each described second sidewall encloses and forms described lug boss.Preferably, the second sidewall also arranges some LED chips.Such as, as shown in Figure 6, described concave part 310 has the first side wall 311 and the second sidewall 312, and each described second sidewall encloses and forms described lug boss 320.And for example, as shown in Figure 8, the second sidewall 312 also arranges some LED chips 334.
Such as, as shown in Figure 9, described the first side wall arranges the first wall portion 314 and the second wall portion 313, such as, or the different setting identical with the degree of tilt of described second wall portion of the degree of tilt of described first wall portion; And for example, as shown in Figure 9, relative to the bottom surface of described pedestal, the degree of tilt of described second wall portion 313 is 90 degree; Like this, mounted package structure is easy to.Preferably, described first wall portion and described second wall portion are wholely set, and preferably, both different settings of degree of tilt, such as, the first wall portion is the side wall construction of a tubaeform or truncated cone-shaped, and the second wall portion is columniform side wall construction.And for example, as shown in Figure 9, described lug boss arranges some LED chips.And for example, the first wall portion is also arranged some LED chips 334.Like this, enhance the integrated level of LED chip, increase light direction, improve light-out effect.
Such as, described pedestal arranges sidewall portion, and it is connected with described the first side wall.And for example, described sidewall portion comprises first paragraph and second segment, and for example, or the different setting identical with the degree of tilt of described the first side wall of the degree of tilt of described first paragraph.
Such as, relative to the bottom surface of described pedestal, the degree of tilt of described first paragraph is 40 to 75 degree, and and for example, the degree of tilt of described the first side wall is 40 to 70 degree; Preferably, the degree of tilt setting identical with the degree of tilt of described the first side wall of described first paragraph, such as, described first paragraph and described the first side wall are wholely set.And for example, described encapsulating structure correspondence position also arranges certain degree of tilt.
And for example, relative to the bottom surface of described pedestal, or the different setting identical with the degree of tilt of described first paragraph of the degree of tilt of described second segment.Such as, the degree of tilt of described second segment setting identical with the degree of tilt of described first paragraph; Such as, described first paragraph and described second segment are wholely set.
And for example, relative to the bottom surface of described pedestal, the degree of tilt of described second segment is 90 degree, like this, is easy to install described encapsulating structure.And for example, relative to the bottom surface of described pedestal, the degree of tilt of described second sidewall is 70 to 90 degree; Preferably, the degree of tilt of described second sidewall is 75 to 85 degree.
Preferably, described second sidewall arranges the second reflection horizon, for reflecting the light of each LED chip in described concave part.Preferably, described the first side wall arranges the first reflection horizon, for reflecting the light of each LED chip in described concave part.And for example, below described reflection horizon, also part arranges heat dissipating layer, and such as, described heat dissipating layer is insulator, and such as, described insulator comprises adamas rete.
Preferably, described lug boss is lower than the extreme higher position of described pedestal.Such as, described boss is in the 25%-45% of the height of described pedestal.Such as, the height of described lug boss is the 25%-45% of the height of described pedestal.And for example, described boss is in the 30%-35% of the height of described pedestal.
Preferably, described pedestal also arranges encapsulating structure.Preferably, described encapsulating structure comprises fluorophor, and it is positioned at above described pedestal.Preferably, described fluorophor is fluorescent glue.Or described fluorophor is the glass with phosphor powder layer.Such as, described fluorophor is the glass with sandwich phosphor powder layer.Such as, described photic zone closed by described glass, and and for example, described glass closes described photic zone as described encapsulating structure.Like this, the light of LED chip to be radiated on encapsulating structure and to be transmitted to outside.
Such as, each described LED chip is between described fluorophor and described pedestal.And for example, arrange fluorescent powder in described fluorophor, such as, described fluorescent powder comprises the fluorescent powder with yttrium aluminum garnet and/or nitride; And for example, Si, Al and/or Ti element is also comprised in described fluorescent powder; In embody rule, according to the chromaticity index of LED chip and/or LED component, select or adjustment Si, Al and/or Ti element content in described fluorescent powder.Preferably, fluorescent powder is microgranular texture, comprises spheroidal, elliposoidal, cone or other shapes, and preferably, the breadth extreme of described microgranular texture and/or maximum length are 15nm ~ 850nm.Such as, the breadth extreme of described microgranular texture is 15nm ~ 500nm; And for example, the breadth extreme of described microgranular texture is 15nm ~ 50nm.And for example, the maximum length of described microgranular texture is 150nm ~ 850nm; And for example, the maximum length of described microgranular texture is 450nm ~ 850nm.
For the ease of strengthening the dispersion effect of light, and for example, described LED component also comprises encapsulating structure; The exiting surface of described encapsulating structure arranges some protuberances; Each described protuberance is spaced, is planar portions therebetween.Such as, as shown in Figure 10, the exiting surface of described encapsulating structure arranges some protuberances 110; Each described protuberance is spaced, is planar portions 120 therebetween.
Preferably, described protuberance is conical structure; Such as, its drift angle is acute angle; Such as, described acute angle is 46 ~ 56 degree, and and for example, described acute angle is 49 ~ 50 degree, and like this, planar portions bright dipping and protuberance bright dipping define the direct light of installation direction and the sidelight of cone all directions, have good light scattering effect.And for example, described protuberance is Rotary-table structure; And for example, described planar portions arranges reflection horizon, and its refractive index is greater than the refractive index of described transmission layer.Preferably, described planar portions arranges the different reflection horizon of two shapes, and both different settings of refractive index, like this, have several refractive Iy and reflection mode by the light of planar portions, thus enhance the dispersion effect of light; And for example, the edge in the reflection horizon that two shapes are different is zigzag, makes the dispersion effect of marginal position better.Such as, coating is coated with to realize the reflection horizon of two different settings of refractive index a reflection horizon upper part.
Preferably, described encapsulating structure arranges transmission layer and refractor.Such as, the refractive index of described refractor is less than the refractive index of described transmission layer.Such as, as shown in figure 11, described encapsulating structure arranges transmission layer 140 and refractor 130, and the refractive index of described refractor 130 is less than the refractive index of described transmission layer 140.Preferably, described encapsulating structure also arranges scattering layer outside described refractor, and its refractive index is less than the refractive index of described refractor.And for example, described scattering layer part covers described refractor.Such as, described scattering layer is collar shape, and and for example, the area of described scattering layer is 25% ~ 30% of the area of described refractor.Like this, described encapsulating structure can be made to have better dispersion effect.
Preferably, in described scattering layer, some scatterers are set.Such as, the breadth extreme of described scatterer is less than 0.1 nanometer.Preferably, described scatterer is bubble structure.Preferably, described scatterer adopts injecting gas mode to arrange.Preferably, described scatterer is microsphere.Such as, the radius of described microsphere is less than 0.05nm.And for example, described scatterer is microspheroid.And for example, described scatterer comprises some first scatterers and some second scatterers, wherein, described first scatterer is bubble structure, second scatterer is microsphere, and the breadth extreme of described first scatterer or the second scatterer is less than 0.1 nanometer, such as, the length of described bubble structure or width or particle diameter or grain length are all less than 0.1 nanometer.Such as, the breadth extreme of described first scatterer or the second scatterer is 0.08 nanometer.
Preferably, the incidence surface of described encapsulating structure arranges some recesses.Such as, described recess is hemisphere or semiellipsoid; And for example, described recess is Rotary-table; And for example, described recess is pyramid.Preferably, the incidence surface of described encapsulating structure arranges some series of recesses, and each series of recesses arranges the different some recesses of volume, the different setting of each recess volume in each series of recesses, such as, each series of recesses arranges the ascending some recesses of volume.Such as, the incidence surface of described encapsulating structure arranges some First Series recesses, some second series recesses and some 3rd series of recesses, and wherein, First Series recess is some hemisphere recesses, the different setting of volume of each hemisphere recess; And for example, second series recess is some Rotary-table recesses, the different setting of volume of each Rotary-table recess; And for example, the 3rd series of recesses is some pyramid recesses, the different setting of volume of each pyramid recess.
Further, embodiments of the invention also comprise, each technical characteristic of the various embodiments described above, the LED display be mutually combined to form.
It should be noted that, above-mentioned each technical characteristic continues combination mutually, is formed not in above-named various embodiment, is all considered as the scope that instructions of the present invention is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a LED display, is characterized in that, comprises supporting structure;
Described supporting structure arranges LED viewing area, and it arranges some LED illuminator;
Described supporting structure at outer setting one adjusting gear of described LED viewing area, for adjusting the bright dipping of described LED viewing area.
2. LED display according to claim 1, it is characterized in that, described LED viewing area arranges some LED lamp bar, and LED lamp bar described in each arranges some LED illuminator.
3. LED display according to claim 2, it is characterized in that, LED lamp bar described in each linearly arranges some LED illuminator.
4. LED display according to claim 3, it is characterized in that, each described LED lamp bar be arranged in parallel.
5. LED display according to claim 1, is characterized in that, the some LED illuminator of described LED viewing area arranged in matrix.
6. LED display according to claim 5, it is characterized in that, each described LED illuminator respectively surface mount packages is LED surface mounted light.
7. LED display according to claim 6, it is characterized in that, arrange some modules, each module arranges some LED surface mounted lights.
8. according to the arbitrary described LED display of claim 1 to 7, it is characterized in that, described supporting structure also arranges driving governor, for driving described adjusting gear and each described LED illuminator.
9. LED display according to claim 8, it is characterized in that, described supporting structure also arranges the storer be connected with described driving governor.
10. LED display according to claim 9, it is characterized in that, described supporting structure also arranges the data collector be connected with described storer.
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| CN201510150038.1A CN104700726A (en) | 2015-04-01 | 2015-04-01 | LED display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510150038.1A CN104700726A (en) | 2015-04-01 | 2015-04-01 | LED display device |
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Application publication date: 20150610 |