Outdoor light box advertising features and pattern making techniques
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Patterns are an important "visual communication element" of print advertising, and color is better than other elements in visual communication. In the rapid development of electronic plate making and printing technology, advertising production has sprung up, and outdoor light box advertising as a semi-permanent print advertisement can be used in both daytime and nighttime due to the use of transmissive printing and auxiliary light. It attracts the attention of passers-by, enhances the realistic effect of the display, renders the product atmosphere, induces consumers' desire to purchase, and strengthens the special impression of advertising.
In the design and production of outdoor light box advertising screens, for the pursuit of realism and artistry, photographic printing or color inkjet printing is often used; also in the special paper, plastic sheet (film), light box cloth by screen printing The light box screen, and the production method and materials are selected according to the requirements of copying cost, weather resistance and the like. This article talks about the application of the production technology for the characteristics of the light box advertisement, the main constituent materials and the pattern making process.
First, the characteristics and types of outdoor light box advertising
Lightbox advertising is also known as "lightbox poster" or "night-light poster." Lightbox advertisements for outdoor use are distributed on roads and streets, as well as in public places such as movie theaters, exhibitions (sales), commercial downtown areas, stations, airports, terminals, and parks. Foreign countries call it "semi-permanent" street art.
Outdoor lightbox advertising is different from other types of advertising. Its characteristics are as follows:
1. The picture is large:
A large number of print advertising media are available for indoor or small-scale communication, and the format is small. The outdoor light box advertisement displays the advertisement content through the door, the bulletin (propaganda) column, and the pole light box painting. It is larger than other graphic illustrations and has a large font size. It is very eye-catching.
2. Hyperopia:
The function of the outdoor light box advertisement is to convey information to people outdoors and distant people through natural light (daytime) and auxiliary light (night). The far-sighted effect of advertising works is strong, which is very conducive to the fast-paced, high-efficiency of modern society, and people who come and go in a hurry to pay attention to it from a distance.
3. Wide content:
In the public transportation, transportation, security, welfare, savings, insurance, taxation, etc.; in the commercial products, enterprises, tourism, services, etc.; in the cultural, educational, artistic and other aspects of culture and education, can be widely Play a role.
4. Both sex:
There are many forms of display, with both text and color functions, from product trademarks, product names, physical photos, colors, corporate intentions to culture, economy, customs, beliefs, and ideas. Through the conception and unique creativity, we firmly grasp the “ring” that induces consumers to purchase, and achieve the purpose of advertising through the heterogeneity of visual communication.
5. Immobility and complexity:
Outdoor light box advertisements have their requirements in a certain range and position regardless of the form. As a semi-permanent display device, its basic structure is more complicated than other forms of advertising. Including frames, cladding materials, patterned printing layers, windproof, rain and snow construction, and night lighting as lighting, making the cost of copying a single piece higher than other types of advertising.
There are many types of outdoor light box advertisements, and there is currently no way to clearly classify them. However, from the scope of application can be divided into film, clothing advertising (poster light box painting); alcohol advertising (light box painting, selling point display card); banking, insurance advertising (door, column light box painting); electrical advertising (selling point) Display card, floor-standing light box); subway station, bus station pavilion advertising column, etc. For example, a light box advertising production company variety
Second, outdoor light box advertising composition
1. Frame and mask:
The main components of the large light box are steel and plastic structures. The base and the frame are welded by steel or stainless steel structure. The pattern cover is made of glass plate, plexiglass plate and light box cloth. The main components of the small door, rod and hanging light box are steel or injection frame, and the pattern cover is mostly made of glass, plexiglass or transparent plastic plate.
2. Pattern printing carrier:
The printing carrier of the light box can be made of synthetic paper, inkjet film, self-adhesive adhesive film, light box canvas, etc. according to its structure and manufacturing process.
3. Auxiliary light facilities:
The auxiliary light of the light box (commonly known as lighting) is designed according to the structure of the pattern picture, the printing material, the thickness of the printing ink layer, and the pattern surface. In the past, ordinary fluorescent lamps were used. With the application of new lamps, the auxiliary light of the light box has also evolved from a single lighting to a multi-type lighting method. The resulting picture quality, uniformity, and softness have been greatly improved.
Third, the light box advertising pattern plate making process requirements
The color printed by the light box pattern is superior to the graphic and the manuscript in visual communication. Whether the elements can truly reproduce the intention of the advertising designer and the best effect of visual communication is realized by various printing methods. The color pattern reproduction principle of the light box is based on tone reproduction. In order to meet the requirements of the printing process, in the past, screens and photographic screens were used. Nowadays, the method of electronic color separation and screening is used to decompose the image of the continuous original into a mosaic-like shape, which is indistinguishable by the human eye. , pixel pixel points of different density levels, achieve a continuous adjustment visual effect in the observation distance.
Regardless of the printing process used, the layering and sharpness of the original should be reproduced as efficiently as possible on the printed matter. Copying a line original is not very difficult, and copying a tone original is much more difficult. The image on the original is converted into a light-dark image consisting of dots, which is the same as the original, by means of photographic screening or electronic color separation. Selecting the original should focus on five factors: color, tone value, structure, color saturation, and shape.
The key to color tone reproduction is color separation screening, and color separation screening is based on the following limitations: one is the surface properties of the substrate (smoothness, roughness, texture, absorption); the second is the size and observation of the printed product. Distance; the third is the contrast range of the original and the role of the subtle level; the fourth is the printing ink (particle size, viscosity, drying characteristics of the pigment); the fifth is the color intensity and light resistance; the sixth is the printing speed.
Determination of the number of color separation lines:
At the distance from the printed matter, people observe neither distortion nor subtle level reproduction, and the hue and saturation are in the normal range. The relationship between the network cable and the observation distance should be fully considered.
To do this, select the number of screen lines based on the following factors:
Observation distance: How far is the observer looking at the distance from the print? If the observation distance is within 50cm, 85l is the best choice, and 65l screening may be easier to control, but the effect is not good. If the observation distance is 1m or more, the 45-55l screening is best, although some layers may be lost, but the level lost at this observation distance is often not obvious. However, if a large-format print is observed at a distance of 1 m or more, a finer mesh (65 l or less) will result in a print that has no contrast and a dull tone.
The subtle level of the original: the finer the finer level, the higher the number of screen lines required to copy the original. The number of screened lines exceeds 100l, and the printing process is difficult to control. For each additional level of the number of screen lines, the printing process is 10 times more difficult. In addition, for a fine-grained original, improper use of the number of screen lines will break the image and the fine layer will be lost. When the viewing distance is large, the fine mesh may cause loss of brightness.
Color saturation and hue control: In order to make most of the color tones in the print, you have to use a lower number of lines. This is due to any change in the dot size between the color separation and the print, which can result in misalignment, color and color intensity shift. Therefore, the smaller the outlets, the harder it is to maintain quality in this area. For example, if the dot diameter of the printed matter is 0.03 mm larger than that of the plated original, the dot size is increased by 5% when the 20 l network cable is used, and the dot size is increased by 13% when the 60 l network cable is used.
In summary, the principle of selecting the number of color-separated screen lines is to not use too thin network cables. Otherwise, the large-scale printing copy will directly affect the copy quality; in contrast, the thick network lines have less influence on color fluctuations. In inkjet printing and screen printing, the thick mesh has the same high range of tonal values as the fine mesh, and the contrast of the screen is more abundant.