Commercial lighting design guide

(Write Xu Ming)

Shopping is more than just buying what you need. Shopping is becoming more of a way of life, a more or less extravagant way to spend leisure time. A well-lit product not only attracts attention but also entice customers to consume.
So lighting has a huge impact on sales, and light is indeed part of our shopping world.

Commercial lighting mission
The task of commercial lighting is:
1) Provide dynamic, flexible and controllable lighting to entice customers into the store.
2) Guide them in the shopping area, causing them to pay attention to special products, lead customers to complete the shopping process, and constantly convey a specific atmosphere or enhance the shopping theme.

Classification of commercial lighting

	Example	Claim
Low-end commercial lighting	Supermarket, retail store	Simple lighting high illumination level
Mid-range commercial lighting	General store	Ambient lighting work lighting
High-end commercial lighting	Fashion and jewelry store	Low ambient light, Heavy use of accent lighting

Third, the illumination standard of commercial lighting
3.1

Low-end commercial lighting	500-1000 (LUX)
Mid-range commercial lighting	250-500 (LUX)
High-end commercial lighting	100-250 (LUX)

3.2 Store building lighting standard value

Location or job category		Illumination standard value (LX)	Remarks
General store business hall	Customer circulation area	75-100-150
	counter	100-150-200	Select the display, sell the merchandise area 0.9m store counter front illumination
	Shelf	100-150-200	1.5m high body mount vertical surface illumination
	Showcases, shop windows	200-300-500	The focus of the exhibition, the showcase and the window of the new goods, refers to the plane where the goods are located.
Indoor food market business hall		50-75-100
Optional mall business hall		150-200-300
Fitting room		150-200-300	Fitting room
Collection office		150-200-300	Receiving table illumination
Treasury		30-50-75

3.3 All ages and commercial lighting

age	Lighting system	Display items and purposes
baby	Very soft, warm-toned diffuse lighting, spotlights highlight the point.	Refined soft cotton-spun wool products in an elegant environment.
Preschool children	Blended and directional lighting blends in warm tones.	Toy, fantasy little animal elf
juvenile	Full color dynamic lighting, proper contrast, decorative effect is better than functional lighting	Reflective materials, small bicycles, space travel related things.
youth	Dynamic, contrasting directional lighting, functional lighting with some colors	Sports equipment, leisure goods, artistic surrealism.
middle aged	Concealed directional diffuse lighting with a touch of romantic color.	Art objects and practical supplies in the 1950s and 1960s
elderly	Concealed directional diffuse lighting with slightly romantic colors but slightly higher illumination	Nature, common objects.

3.4 Lighting requirements for different commodities

Categories	Lighting requirements
textile	Uniform vertical illumination, horizontal illumination, good color rendering, and attention to fading.
Leather (shoes)	The vertical illuminance is close to the horizontal illuminance, and it can express its appearance and unevenness, three-dimensionality and surface texture.
Commodity	The vertical illuminance is balanced with the horizontal illuminance and is uniform. The color temperature of the light source is similar to the color temperature of the use environment to prevent glare.
toy	Use directional lighting to highlight a certain contrast from the background, highlighting the luster and three-dimensionality of the surface.
Jewelry clock	Projected with a narrow beam, the background is dark, and the contrast is up to 1:50 , paying attention to the effect.
Ceramic and translucent vessels	Use directional lighting to highlight its texture, translucent, must avoid strong contrast and shadow, can also use ambient lighting to enhance its ethereal feeling.
Plant flower	Appropriate illuminance to express growth, freshness, and good color rendering.
Candy pastry	To express a sense of freshness, causing an appetite, warmth, harmony, easy, and pleasant background, you can use natural filter color to increase the natural warm color.
Fruit and vegetable	The background should be dark, and the dark objects such as red and yellow should be warm light of about 3300K, and the light objects of green and light should be cool white light of 4500-5500K.

3.5 Philips Commercial Lighting Standard
3.5.1

Store category	system	Light trait	Features
General grade (popular goods)	Single item	High illumination basic illumination, illumination 750-1500 LUX (white light) medium illumination basic illumination	(1)-(2)
Intermediate (intermediate product)	Diverse	Illumination 300-500LUX + accent lighting (white light), low illumination basic lighting, illumination 150-300LUX + accent lighting comparison.	(1)-(2)-(3)-(4)
Advanced (advanced product)	Differentiation		(1)-(2)-(3)-(4)-(5)

Note:
(1) Taking into account the movement of customers and staff (2) Creating visual effects (3) Attracting and guiding customers into (4) Attracting customers' attention to products (5) Showing overall results

3.5.2 Key lighting factors and commercial lighting are good

Key lighting factor	effect
2:1	obviously
5:1	Low dramatic
15:1	Dramatic
30:1	Vivid
50:1	Very vivid

Concentration of the concentrated light (AP) = â€”â€”â€”â€”â€”â€”
Basic lighting brightness

Fourth, the characteristics of commercial lighting
1. The visibility and attractiveness of attractive goods is very important to illuminate specific objects, enhance their image and emphasize them, making them the focus of attention.
2, comfortable light environment In order to attract customers, the mall must create a comfortable light environment, if a customer feels comfortable when shopping, they will stay longer, spend more money, and are willing to come back and forth again and again. Quality lighting evokes emotions and feelings, which in turn strengthens the store's brand.

5. Classification of commercial lighting

Basic lighting	Provide basic functional lighting
Key lighting (showcase and window lighting)	Reasonable accent lighting can create a variety of contrast effects, emphasizing the shape, texture and color of the product, enhancing the visibility and appeal of the product, attracting more eyeballs
Ambient lighting	Create a comfortable light environment and express the emotions of the space

Sixth, specific lighting methods and lamps

checkout counter	Meet operational requirements
Display window lighting	Impress the customer with dramatic, use white glare or color light to attract the passer through evenly saturated lighting
Display cabinet lighting	Illuminate items in glass cabinets or open containers and shelves
Peripheral lighting	Helps limit the sale of merchandise and provides the necessary vertical lighting along the wall to make the space feel bigger overall, with the aim of attracting customers from the main channel to the sales area
Ceiling lighting	Expanded the space, increased the height of the ceiling, and created a sense of openness and space through the lines formed by long, unshaded, uninterrupted light.
Fitting room lighting	The form and texture of the product should be clearly displayed so that the color of the product is truly natural
Supporting space (warehouse, staff lounge)	standard
Indicating lighting	Make shopping flow convenient for customers

Seven, light source and commercial lighting
7.1 Light source suitable for commercial lighting

Type of light source	Light efficiency (Lm/W)	Color rendering index	Color temperature	Average life (hours)
Incandescent bulb	15	100	2800	1000
Quartz halogen lamp	25	100	3000	2000-3000
PL type compact energy saving lamp	85	85	2700/3000/3500 4000/5000/5300	8000-12000
Metal halide lamp	75-95	65-92	3000/4500/5600	6000-20000
Tricolor fluorescent lamp	96	80-98	All series	10000

7.2 Light source not suitable for commercial lighting

Type of light source	Efficiency (Lm/W)	Color rendering index	Color temperature	Average life
High pressure mercury lamp	50	45	3300-4300	6000
Ordinary fluorescent lamp	70	70	All series	8000
HPS	120	twenty three	1950/2200	24000

Eight, lamps and commercial lighting

Serial number	Common lamps	light source	Remarks
1	Embedded grille light panel LW=598598	T8 fluorescent lamp (high color rendering) 3*20W	Basic lighting
1	Embedded grille light panel LW=598598	3*36W PL energy saving lamp (high color rendering)	Basic lighting
2	Recessed downlight Ñ„ 200	2*PLC 18W energy saving lamp	Basic lighting
2	Recessed downlight Ñ„ 200	MHN-TD 70W double-ended metal halide lamp	Basic lighting
3	Downlight Ñ„ 200	Tungsten halogen lamp 12V MR16 50W	Key lighting
4	Low-voltage rail spotlight	Tungsten halogen lamp 12V MR16 50W	Key lighting
5	Low-voltage high-power rail spotlight	Tungsten halogen lamp 12V QR111 100W	Key lighting
6	Embedded spotlight	Tungsten halogen lamp QR111*3 (pieces) 50W	Key lighting
7	Spotlight	Tungsten halogen lamp QR111*3 (pieces) 50W/75W/100W	Key lighting

Nine, the elements that commercial lighting needs to grasp
Due to the complexity of the store itself, in addition to the basic illumination, in addition to the basic illumination, it is necessary to consider various key lightings that are compatible with the actual environmental requirements. The two are harmonious and unified to create an excellent overall illumination. effect.

Influencing factors on lighting effects

Illuminance

Color temperature

Light distribution

Color rendering

9.1
The different illuminances of different regions or commodities form customers' different feelings for goods and spaces, which in turn creates a sense of spatial pleasure and comfort. (The change in brightness of the ceiling and vertical surfaces plays a crucial role in the formation of feelings.) In Philips' standards, there is a scientific summary of the brightness ratio of goods and the environment and the sensory effect on people.
(See attached table 3.5)

9.2 Relationship between color temperature and illuminance
The store lighting design creates a personalized store space through the combination of color temperature and illumination.

High illumination and high color temperature	Comfortable	Supermarket
Low illumination low color temperature	Comfortable	Jewelry store
High illumination low color temperature	Uncomfortable (sad and hot)
Low illumination and high color temperature	Uncomfortable (cool)

9.3 Color rendering
The use of high color rendering (Ra > 80) light sources in stores is a basic store principle, but sometimes it is desirable to use a (glamorous) color development method to create some color differences compared to a fully faithful representation.
a. faithful reproduction of color b. compared with the reference source to produce some color difference, if it is the color difference produced in the ideal direction can be used

9.4
Only by fully grasping the color and reflectivity of the floor, wall, ceiling, and the material color of the product and the different light distribution of the lamp can produce various effects.

Close range	Wide light distribution
Long distance	Narrow light distribution
Close range, dramatic effect	Narrow light distribution

X. The process of commercial lighting design

1. Conception	Owner's request
	Architectural design requirements
	The nature of the store
	Surroundings
	Confirm budget
2. Determination principle	Set lighting concept
	Imagine the distribution of spatial light
	Definition of each region
3. basic design	Basic lighting	Lighting technique, illumination
		Lamp, light source
	Commodity lighting	Spatial light distribution
	Ambient lighting
4. Implementation design	Illumination calculation is carried out by lighting software to determine the number of lamps, confirmation and adjustment of illumination, determine the feasibility of the budget, and make construction drawings.
5. construction	On-site, re-confirmation of design, supervision of construction lighting commissioning, collection of various data

Eleven, the development trend of Shanglai lighting
1. Provides flexible control methods to increase lighting levels in a specified area, at specific times, to accommodate changes in merchandise placement.
2. Produce different working modes and implement different lighting methods at different times

Before opening the store
Business hours
at night
late at night
four Seasons

3. Produces dynamic or special lighting effects, although general effects lighting can produce special effects. But having control of dynamic lighting can produce more fun.
4. The most energy-efficient lighting uses the least amount of energy, the shortest time of exercise

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