CN2618249Y

CN2618249Y - Light conducting structure of ultrathin advertising lamphouse

Info

Publication number: CN2618249Y
Application number: CN 03238550
Authority: CN
Inventors: 何国诚; 黄子千; 林春喜
Original assignee: SANJIANG INTERNATIONAL CO Ltd
Current assignee: SANJIANG INTERNATIONAL CO Ltd
Priority date: 2003-03-19
Filing date: 2003-03-19
Publication date: 2004-05-26
Anticipated expiration: 2013-03-19

Abstract

The utility model relates to a light guide structure of the ultrathin advertisement lamp-box, which comprises a piece of optical grade light guide plate, and a plurality of luminescence lamp resource arranged at both sides of the light guide plate. A plurality of continuous flutes are arranged at the side where the light guide plate is contacted with the luminescence lamp resource. The luminescence lamp resource comprises a plurality of light emitting diodes (LED) arranged on the printed circuit board; the printed circuit board is arranged beside the side with continuous flutes of the light guide plate, each LED is embedded into one of the continuous flutes of the light guide plate correspondingly.

Description

The light guide structure of ultrathin advertising lamp box

Technical field

The utility model relates to a kind of light guide structure, refers in particular to a kind of light guide structure of ultrathin advertising lamp box.

Background technology

Mention the coml propaganda, everybody there's no one who doesn't or isn't directly associates advertisement, and the gimmick of advertisement is very strange, and modal mode is exactly directly product content to be propagated to the consumer by literal, drawing or taste, and wherein advertisement plate or advertising lamp box are a kind of patterns of disseminating that the most generally adopts.

In ordinary person's idea, advertising lamp box is nothing but to put the traditional fluorescent lamp pipe in a casing, by the copy of this light emitting source with the lamp box surface, pattern sets off out, make its ad content give the consumer the same clearly reception and registration at night, above-mentioned this advertising lamp box is because bulky, exhausted major part is provided in a side of outdoor occasion or large-scale indoor exhibition center institute, and at some indoor places, as bank, dining room etc., though conventional ads lamp box scale down can also be utilized, but owing to be provided with starter in its structure, element such as transformer and fluorescent tube, therefore always making us thickness crosses the lofty sense that roughly takies too many space, in view of this, it is the electroluminescent lamp source that industry has been developed with cold-cathode tube (CCFL) again, and make it be laid in the dual-side of a slice by the made light guide plate of common acryl material, and penetrate by leading of light guide plate by the lamp source of this cold-cathode tube, make Advertising Copy high-visible night.What the advertising lamp box of the above-mentioned second generation was the most successful partly is that integral thickness has reduced, the title that therefore slim advertising lamp box is arranged, but this advertising lamp box that utilizes the made light guide plate of cold-cathode tube and coarse optical material, maximum problem be exactly that its light source disperses inhomogeneous, promptly brighter at its fluorescent tube periphery, but darker toward the centre of light guide plate, the wherein dual-side brightness that therefore causes the lamp sheet is too high and seem dazzling, but lamp sheet central authorities are dim again not clear and can't clearly see ad content.The main cause that causes above-mentioned phenomenon is except using cold-cathode tube and light guide plate inferior, and the light source of cold-cathode tube can't effectively be led bundle and be reached light guide plate central authorities also is one of reason.Though the slim advertising lamp box of the second generation is with electroluminescent lamp source generation cold-cathode tube with higher level, but this kind luminophor still have the traditional fluorescent lamp pipe easily cracked, increase with the working time and to produce high temperature, and serviceable life 12,000 hours shortcoming only, it still waits to innovate and improve.

The utility model content

This creation has aforesaid shortcoming thoughts on conventional ads lamp box especially second generation thin-type lamp box, therefore sets about researching and developing the birth that improvement has this creation.

The purpose of this utility model is, a kind of light guide structure of ultrathin advertising lamp box is provided, and the brightness in its electroluminescent lamp source is even.

The purpose of this utility model is, a kind of light guide structure of ultrathin advertising lamp box is provided, and its electroluminescent lamp source long service life, is difficult for breaking and uses not hyperplasia high temperature for a long time.

For achieving the above object, the utility model provides a kind of light guide structure of ultrathin advertising lamp box, the composition of this slim advertising lamp box comprises outermost transparent panel, and successively and under advertising lamp sheet, brightening piece, light guide plate, reflector plate and base plate, wherein light guide plate is a kind of light guide plate of optical grade, the wherein two opposite sides Bian Chu of its plate body is provided with an electroluminescent lamp group, and this electroluminescent lamp group is arranged to be located on the tellite by a plurality of light emitting diodes (LED) and constituted; Again, above-mentioned light guide plate formed a plurality of continuous recess in the side of establishing the electroluminescent lamp group, and makes one of them of continuous groove of the above-mentioned light guide plate of each self-embedding of each LED of electroluminescent lamp group.The special efficacy of said structure is, each light emitting diode is made its light beam be able to lead to the centre in groove separately by the embedding bundle and penetrates and increase brightness in the middle of the light guide plate.

Secondly, each light emitting diode, is made each other light beam not interfere with each other and produces dazzling dropping fire phenomenon in groove separately by the embedding bundle.Moreover LED itself just has long service life (about 100,000 hours), long-term use does not heat and not easily broken characteristics, so the light guide structure of this creation of arranging in pairs or groups, and can solve all shortcomings of the slim advertising lamp box of the second generation fully.

In sum, the light guide structure of a kind of ultrathin advertising lamp box that the utility model provides, comprise the light guide plate of a slice optical grade, and the electroluminescent lamp group that is located at limit, light guide plate two opposite sides, the side of light guide plate and electroluminescent lamp set of contact is provided with a plurality of continuous recess; The electroluminescent lamp group is laid on the circuit substrate by a plurality of light emitting diodes and constitutes; And when this each light emitting diode is placed in aforementioned light guide plate side in the electroluminescent lamp group, embed respectively in the set wherein groove of light guide plate side.

The light guide structure of the another kind of ultrathin advertising lamp box that provides comprises the light guide plate of a slice optical grade, and the electroluminescent lamp group that is located at limit, light guide plate two opposite sides, and the electroluminescent lamp group is laid on the circuit substrate by a plurality of light emitting diodes and constitutes; Frame group with continuous groove is nested with on the residing circuit substrate of light emitting diode, and each light emitting diode correspondingly is inserted in the wherein groove of frame group.

Description of drawings

Fig. 1 is this inner structure sectional view of creating applied ultrathin advertising lamp box;

Fig. 2 is the component structure stereographic map of this creation;

Fig. 3 is the assembled state vertical view of Fig. 2;

Fig. 4 is the another kind of combination vertical view of implementing kenel of this creation.

Embodiment

See also Fig. 1, this creates the light guide structure in a kind of ultrathin advertising lamp box, the structure of this ultrathin type lamp box has comprised one at least at outermost transparent panel 1, and successively and under advertising lamp sheet 2, light diffusion film 3, light guide plate 4, reflector plate 5 and base plate 6, wherein light guide plate 4 is the preferable optical grade light guide plate of a kind of leaded light ability, as shown in Figure 2, wherein two relative edge's sides of this light guide plate 4 are provided with the groove 41 that is continuous shape, and an electroluminescent lamp group 7 being set at the side of the light guide plate 4 of establishing groove 41, it is to have a plurality of light emitting diodes (LED) 70 to be placed on the circuit substrate 71 with being the arrangement shape.

Above-mentioned light guide plate 4 and the 7 mutual combinations of electroluminescent lamp group and constitute the alleged light guide structure of this creation.Its combination is; electroluminescent lamp group 7 is installed the dual-side that is provided with groove 41 in light guide plate 4; and each light emitting diode 70 on the electroluminescent lamp group 7 is correspondingly embedded in each groove 41 of light guide plate 4 (as shown in Figure 3); thus except that protecting light emitting diode 70 to bear bigger impact do not damage; also can utilize groove 41 that each light emitting diode 70 is enclosed bundle; make its light beam 700 can be directed to the central part of light guide plate 4; this part also can be presented as the luminosity that is close to light emitting diode 70 places, to solve the uneven problem of the known luminosity that utilizes cold-cathode tube often to cause.Moreover in groove 41, the light that it produced does not disturb each light emitting diode 70 mutually by circle, also helps its light light guide plate 4 central authorities of directly leading, and can avoid again simultaneously producing dazzling reaction because of light disturbs in light emitting diode 70 residing positions.

This creates another kind of embodiment, and each light emitting diode 70 also can utilize a frame group 72 that is located on the circuit substrate 71, and it is isolated that it is formed each other, so can groove be set in the corresponding side 40 ' of light guide plate 4 '.

Claims

1, a kind of light guide structure of ultrathin advertising lamp box comprises the light guide plate of a slice optical grade, and the electroluminescent lamp group that is located at limit, light guide plate two opposite sides, it is characterized in that:

The side of light guide plate and electroluminescent lamp set of contact is provided with a plurality of continuous recess; The electroluminescent lamp group is laid on the circuit substrate by a plurality of light emitting diodes and constitutes; And when this each light emitting diode is placed in aforementioned light guide plate side in the electroluminescent lamp group, embed respectively in the set wherein groove of light guide plate side.

2, a kind of light guide structure of ultrathin advertising lamp box comprises the light guide plate of a slice optical grade, and the electroluminescent lamp group that is located at limit, light guide plate two opposite sides, it is characterized in that:

The electroluminescent lamp group is laid on the circuit substrate by a plurality of light emitting diodes and constitutes; Frame group with continuous groove is nested with on the residing circuit substrate of light emitting diode, and each light emitting diode correspondingly is inserted in the wherein groove of frame group.