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Ultra-thin advertising lamp box with LED (light emitting diode) as light source

A technology of advertising light boxes and LED light strips, which is applied in the field of advertising light boxes, can solve the problems of uneven illumination of ultra-thin advertising light boxes, complicated installation of low-power LED light sources, etc., and achieve the effect of ensuring uniformity

Active Publication Date: 2014-01-29
东莞市爱日易迪光电科技有限公司
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide an ultra-thin advertising light box with a high-power LED with an optical system as the light source, aiming at the uneven illumination of the above-mentioned ultra-thin advertising light box (the formation of "rib lines" and the complicated installation of low-power LED light sources). Advertising light boxes

Method used

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  • Ultra-thin advertising lamp box with LED (light emitting diode) as light source
  • Ultra-thin advertising lamp box with LED (light emitting diode) as light source
  • Ultra-thin advertising lamp box with LED (light emitting diode) as light source

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Embodiment Construction

[0039] The present invention changes the light distribution (that is, the spatial distribution of light intensity) of the LED light source by using a light distribution lens on the LED point light source, so that light source points that are far apart can achieve uniform illumination at a shorter vertical lighting distance.

[0040] The ultra-thin advertising light box of the present invention includes a light box body, a canvas positioned at the front end of the light box body, and an LED dot matrix composed of LED single lights behind the canvas. The distance between adjacent LED single lights in the LED dot matrix is ​​greater than 10 cm and each An LED single lamp is provided with a luminous body and a light distribution lens installed on the luminous body. The light distribution lens enables the LED single light to meet the following requirements: when the light intensity on the canvas is half of the peak value, the W / T value is greater than 1, where W is the distance betw...

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Abstract

The invention relates to an ultra-thin advertising lamp box with an LED (light emitting diode) as light source, comprising a lamp box body, canvas at the front end of the lamp box body and an LED dot matrix arranged behind the canvas and consisting of LED single lamps. The distance between adjacent LED single lamps in the LED dot matrix is greater than 10cm, and each LED single lamp is provided with a luminous body and a light distribution lens which is arranged on the luminous body; the light distribution lens enables the LED single lamp to satisfy the following requirements: when the light intensity of the canvas is half of the peak, the value of W / T is greater than 1, wherein W is the distance between adjacent luminous bodies and T is the distance between the luminous body and the canvas. The invention is capable of maintaining the uniformity of illumination of the canvas by arranging the optical distribution lens on the luminous body when the distance of the LED single lamps is widened.

Description

technical field [0001] The invention relates to an advertising light box, in particular to an ultra-thin advertising light box using LEDs as light sources. Background technique [0002] Advertising light box is an important medium for outdoor advertising. With the development of the advertising industry, its demand is also increasing. [0003] Existing advertising light boxes usually adopt fluorescent tubes with a spacing of about 20-30 cm as light sources. Such as figure 1 , 2 Shown is a schematic diagram of the above-mentioned advertising light box using fluorescent tubes. The advertising light box is composed of a main frame 14, a back plate 15, a light tube 13, a cover plate 12 and a canvas 16 (or light sheet). In order to reflect the lighting properties in the advertising light box, the light intensity-W / T lighting light distribution curve dedicated to the advertising light box can be drawn, such as Figure 4 shown. The light distribution curve can reflect the rela...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F13/04F21S8/00F21V5/04F21V19/00F21V23/00F21V17/00F21Y101/02F21Y115/10
Inventor 钟群
Owner 东莞市爱日易迪光电科技有限公司
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