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Positive light advertising board device

A billboard and positive light technology, applied in display devices, light guides, optics, etc., can solve the problems that the size and shape cannot meet the lively advertising lighting, the uniformity of the light source is difficult to control, and the light utilization efficiency is low, so as to increase added value and avoid The effect of glare afterglow and low stray light

Inactive Publication Date: 2010-06-16
秦厚敬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, the light utilization efficiency of the backlight type lighting is low, about 10~20%. The uniformity of the large-size surface light source is difficult to control, the cost is high, and the size and shape cannot meet the lively characteristics of advertising lighting.

Method used

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  • Positive light advertising board device
  • Positive light advertising board device
  • Positive light advertising board device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] refer to figure 1 , 2 , 3. This embodiment includes a linear light source 1, a light guide plate 2, and the light guide plate 2 connects to the advertising drawing 6 through the surface of the transparent bump 5 without gaps; On the front of 6, the position of the transparent bump 5 is the outlet of the light in the light guide plate 2, and the distribution coating 7 of the transparent bump matches the content pattern of the advertisement drawing 6, producing a partially emphasized lighting effect.

[0027] The distribution, dot pitch, and height of the transparent bumps 5 can be varied depending on the artist's desired display effect, and there is no specific limitation.

[0028] One end surface 31 of the light guide plate 2 is provided with a linear light source 1, and the other end surface 32 is covered with reflective stickers 4; the linear light source 1 is formed by an arrangement of LED light sources (but not limited thereto).

[0029] The linear light source ...

Embodiment 2

[0031] refer to Figure 4 , this embodiment includes a light guide plate 2, a reflective LCD panel 10, and the transparent bump coating 11 is a macroscopic presentation of the fine transparent bumps printed on the light guide plate 2, with a gradient effect in which the center is dense and gradually loosens around, The linear light source 1 injected laterally can be compensated to form a uniform LED positive light plate 20 , and then positively contact the reflective LCD panel 10 to form an LCD billboard 30 illuminated by LED positive light.

[0032] Transparent bump coating 11, wherein the pitch of the transparent bumps in the central area of ​​the light guide plate 2 is set to 0.15mm, then a better visual effect can be obtained, and the pitch of the transparent bumps in the edge area of ​​the light guide plate 2 is set to 0.30mm, transparent The attenuation of the side light source can be compensated by a simple and gradual distribution of the convex points, so as to obtain ...

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Abstract

The invention discloses a positive light advertising board device, which comprises a light guide plate and an advertising board. At least one end face of the light guide plate is provided with a luminous source, the light guide plate is in gapless contact connection with the surface of the advertising board through a transparent salient point, the total reflection light in the light guide plate is guided to the front surface of the advertising board through the transparent salient point, and the position of the transparent salient point is at a light emission port in the light guide plate. The device is directly contacted with the advertising board in a mode of a light guide point, and can have multi-point precise selective illumination so as to reduce the loss of interface light, reduce the stray light, increase the white-black contrast, improve the optical efficiency and reduce the manufacturing and using costs. The advertising board is replaced by a common advertising board, and the device also can be used as an indoor common illumination lamp such as a desk lamp, a wall lamp and the like.

Description

technical field [0001] The invention relates to a positive light billboard device, in particular to a positive light billboard device used for lighting advertisement printed matter or LCD liquid crystal panels in small areas of daily life. Background technique [0002] The common backlight lighting mode takes the acrylic advertising light box as an example. Most of the fluorescent tubes are installed in the light box, and semi-transparent materials such as atomized acrylic sheets are used as the side panels of the light box to achieve a uniform light source effect. As a backlight for transparent advertising patterns or text, this type of backlight light box has uniform, mild light and high environmental compatibility. Fluorescent tube-type backlighting has a light utilization efficiency of only about 10%, which is an advertising product that consumes a lot of energy and contains mercury. The appearance of box-type lighting lacks changes, and the location and size are not ea...

Claims

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Application Information

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IPC IPC(8): G09F13/18G09F13/22F21V8/00
CPCG09F13/18
Inventor 秦厚敬
Owner 秦厚敬
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