CN104424858A - Backlight LED display screen - Google Patents
Backlight LED display screen Download PDFInfo
- Publication number
- CN104424858A CN104424858A CN201310392137.1A CN201310392137A CN104424858A CN 104424858 A CN104424858 A CN 104424858A CN 201310392137 A CN201310392137 A CN 201310392137A CN 104424858 A CN104424858 A CN 104424858A
- Authority
- CN
- China
- Prior art keywords
- led
- display
- backlight
- panel
- reflecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Abstract
The invention discloses a backlight LED display screen which comprises a first display face. The first display face comprises an LED lamp panel, a plurality of LED lamps disposed on the LED lamp panel, a power supply connected with the LED lamp panel and a unit control panel, wherein the unit control panel controls the display of the LED lamps. The backlight display screen comprises a first display panel and a second reflecting panel, wherein a plurality of through holes are formed in the outer surface of the first display panel, the first display face is disposed on the inner surface of the first display panel, the light emitted by the LED lamps are guided to the second reflecting panel through optical guide units, and the light is then reflected by the second reflecting second reflecting panel to emit from the through holes. The backlight LED display screen has the advantages that the light emitted by the LED lamps is reflected by the metal reflecting panel to emit from the through holes so as to backlight sources, the LED lamps do not directly face users, and soft light is achieved.
Description
Technical field
The present invention relates to LED field, be specifically related to a kind of backlight LED display.
Background technology
LED (Lighting Emitting Diode) display screen is exactly show casing by the unit display board of several splicings capable of being combined or unit to form screen body, adds a set of suitable controller (master control borad or control system).So the display board of plurality of specifications (or unit box) coordinates the controller of different control technology just can form many kinds of LED display, to meet varying environment, the needs that different display requires.
LED display can show numeral, word, the graph image of change; Not only may be used for indoor environment and can also be used for outdoor environment, there is the advantage that projector, video wall, LCDs are incomparable.
Backlight module (Back light module) is for well-off brightness and the light source that is evenly distributed, can normal show image stage.
Backlight module must possess the features such as brightness high and life-span is long, there is Cold Cathode Fluorescent pipe (CCFL:Coldcathode fluorescent lamp) hot cathode fluorescent tube at present, light-emittingdiode (LED:Light emitting diode) and electroluminescence sheet (EL) etc., wherein cold cathode fluorescent lamp has high briliancy, high-level efficiency, life-span is long, the characteristics such as high color rendering, add that therefore cylindrical outer shape is easy to be combined into lamellar lighting device with light reflection element, therefore at present with Cold Cathode Fluorescent pipe for main flow, but generally believe that future will take white light LED as application trend.
Especially, in existing LED display, because LED illuminator is just to user, do not form back light, brightness is large, and floodlight is serious, easily causes light pollution.
Summary of the invention
The present invention proposes a kind of backlight LED display, to solve in prior art LED illuminator just to user, the problem not forming back light.
The invention discloses a kind of backlight LED display, comprise the first display surface, the first described display surface comprises LED lamp panel, be arranged on the multiple LED in described LED lamp panel, the power supply be connected with described LED lamp panel and with unit controls plate, unit controls plate controls the display of the LED in LED lamp panel, this backlit display screen comprises the first display board and the second reflecting plate, the outside surface of the first described display board arranges multiple through hole, its inside surface arranges the first described display surface, the light that LED sends by described LED guides to the second described reflecting plate, pass from described multiple through holes after the second baffle reflection.
Further, the light that LED sends by described LED guides to the second described reflecting plate by optical guidance unit, and described optical guidance unit is the lens that arrange corresponding to described LED or grating.
Further, the first described display board is aluminium sheet, and the second reflecting plate is aluminium sheet or glass plate.
Further, described multiple LED are spaced, are uniformly distributed on the first described display surface.
Further, described multiple through holes are spaced, are uniformly distributed on the outside surface of the first described display board.
Further, described backlight LED display also comprises the steel construction being arranged at the second described reflecting plate outside surface.
Further, described unit controls plate has the communication interface be connected with the communication module of outside.
Further, described optical guidance unit and described LED one_to_one corresponding are arranged.
The invention provides a kind of backlight LED display, there is following beneficial effect:
Be different from LED illuminating part of the prior art just to user, do not form back light, brightness is large, floodlight is serious, and reflective by reflecting plate of the light that the technical program LED sends, forms back light from through hole injection, illuminating part is not just to user, and light is softer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 a is the structural representation of a kind of backlight LED display of the present invention;
Fig. 1 b is that the light path in Fig. 1 a changes schematic diagram;
Fig. 1 c is the structural representation of the another kind of backlight LED display of the present invention;
Fig. 2 is the side structure schematic diagram of a kind of backlight LED display of the present invention;
Fig. 3 is the Facad structure schematic diagram of a kind of backlight LED display of the present invention.
Embodiment
Can understand the present invention further by specific embodiments of the invention given below, but they not limitation of the invention.For some nonessential improvement and adjustment that those skilled in the art does according to foregoing invention content, be also considered as dropping in protection scope of the present invention.
Refer to Fig. 1 a and Fig. 2, a kind of backlight LED display, comprising: the first display board 10, second reflecting plate 30.
The outside surface of the first display board 10 arranges multiple through hole 15, its inside surface arranges the first display surface 5, first display surface 5 comprises LED lamp panel, the multiple LED 20 be arranged in LED lamp panel, the power supply be connected with LED lamp panel and with unit controls plate, unit controls plate controls the display of the LED 20 in LED lamp panel, this backlit display screen comprises the first display board 10 and the second reflecting plate 30, the light that LED sends guides or scatters to the second reflecting plate 30, passes after the second reflecting plate 30 reflects from multiple through hole 15.
Preferably, lens and grating can be utilized at interior various optical guidance elements, the optics of each pixel of illuminating part be exported and is directed on different directions, as shown in Figure 1 b.
In the technical program, optical guidance unit can be the concavees lens 25 that arrange corresponding to LED 20.
Certainly, optical guidance unit also can be the grating that arrange corresponding to LED 20, because grating is prior art, therefore seldom repeats.
First display board 10 and the second reflecting plate 30 can be aluminium sheet, and especially, the second reflecting plate 30 can be the smooth substrate aluminium sheet of pure color, and backlight LED display also comprises the steel construction 40 being arranged at the second reflecting plate 30 outside surface.
Refer to Fig. 1 c, the second reflecting plate 30 can be also glass plate, and adopt the technique effect of such structure to be double-sided display videography effect, such structure does not need steel construction 40.
Multiple LED 20 is spaced, is uniformly distributed on the first display surface 5.
As shown in Figure 3, multiple through hole 15 is spaced, is uniformly distributed on the outside surface of the first described display board 10, adopts such structure, is convenient to install and processing.
Unit controls plate has the communication interface be connected with the communication module of outside.Adopt the communication interface controller be convenient to from the outside dynamically to input picture and text to unit controls plate, unit controls plate can control the display of the LED 20 in LED lamp panel.
Optical guidance unit and LED 20 one_to_one corresponding are arranged.
The backlight LED display course of work in the technical program is: after energising, LED 20 is luminous, with certain angular illumination to the second reflecting plate 30, the through hole 15 of the first display board 10 is reflected through again by the second reflecting plate 30, user just can see image in the outside surface of the first display board 10, but can't see LED 20, the technique effect of generation is: eliminate floodlight, light is softer.
The invention provides a kind of backlight LED display, there is following beneficial effect:
Be different from LED illuminating part of the prior art just to user, do not form back light, brightness is large, floodlight is serious, and reflective by sheet metal of the light that the technical program LED sends, forms back light from through hole injection, illuminating part is not just to user, and light is softer.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a backlight LED display, comprise the first display surface, the first described display surface comprises LED lamp panel, be arranged on the multiple LED in described LED lamp panel, the power supply be connected with described LED lamp panel and with unit controls plate, unit controls plate controls the display of the LED in LED lamp panel, it is characterized in that, this backlit display screen comprises the first display board and the second reflecting plate, the outside surface of the first described display board arranges multiple through hole, its inside surface arranges the first described display surface, the light that LED sends by described LED guides to the second described reflecting plate, pass from described multiple through holes after the second baffle reflection.
2. backlight LED display according to claim 1, it is characterized in that, the light that LED sends by described LED guides to the second described reflecting plate by optical guidance unit, and described optical guidance unit is the lens that arrange corresponding to described LED or grating.
3. backlight LED display according to claim 1, is characterized in that, the first described display board is aluminium sheet, and the second reflecting plate is aluminium sheet or glass plate.
4. backlight LED display according to claim 1, is characterized in that, described multiple LED are spaced, are uniformly distributed on the first described display surface.
5. backlight LED display according to claim 1, is characterized in that, described multiple through holes are spaced, are uniformly distributed on the outside surface of the first described display board.
6. backlight LED display according to claim 1, is characterized in that, described backlight LED display also comprises the steel construction being arranged at the second described reflecting plate outside surface.
7. the backlight LED display according to any one of claim 1 to 7, is characterized in that, described unit controls plate has the communication interface be connected with the communication module of outside.
8. backlight LED display according to claim 2, is characterized in that, described optical guidance unit and described LED one_to_one corresponding are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392137.1A CN104424858A (en) | 2013-08-26 | 2013-08-26 | Backlight LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392137.1A CN104424858A (en) | 2013-08-26 | 2013-08-26 | Backlight LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104424858A true CN104424858A (en) | 2015-03-18 |
Family
ID=52973694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310392137.1A Pending CN104424858A (en) | 2013-08-26 | 2013-08-26 | Backlight LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104424858A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308783A (en) * | 2020-03-25 | 2020-06-19 | 深圳市隆利科技股份有限公司 | LED backlight device and display equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517726U (en) * | 2009-09-29 | 2010-06-30 | 康佳集团股份有限公司 | Led back light module |
| CN201547597U (en) * | 2009-10-30 | 2010-08-11 | 康佳集团股份有限公司 | LED ultrathin backlight module |
| US20110211335A1 (en) * | 2010-12-06 | 2011-09-01 | Se Jin Ko | Backlight unit |
| CN103017085A (en) * | 2012-12-14 | 2013-04-03 | 京东方科技集团股份有限公司 | Reflecting lens, backlight module using reflecting lens and display device |
| CN203433758U (en) * | 2013-08-26 | 2014-02-12 | 深圳市康硕展电子有限公司 | Backlight LED display screen |
-
2013
- 2013-08-26 CN CN201310392137.1A patent/CN104424858A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517726U (en) * | 2009-09-29 | 2010-06-30 | 康佳集团股份有限公司 | Led back light module |
| CN201547597U (en) * | 2009-10-30 | 2010-08-11 | 康佳集团股份有限公司 | LED ultrathin backlight module |
| US20110211335A1 (en) * | 2010-12-06 | 2011-09-01 | Se Jin Ko | Backlight unit |
| CN103017085A (en) * | 2012-12-14 | 2013-04-03 | 京东方科技集团股份有限公司 | Reflecting lens, backlight module using reflecting lens and display device |
| CN203433758U (en) * | 2013-08-26 | 2014-02-12 | 深圳市康硕展电子有限公司 | Backlight LED display screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308783A (en) * | 2020-03-25 | 2020-06-19 | 深圳市隆利科技股份有限公司 | LED backlight device and display equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150318 |