Innovation in lighting

GCIT1015 - Section 2Chan Hei Man (13215760)Chan Nok Yiu (13204270)

Li Yue (13250094)April 10, 2023

ObjectivesExamine the development in lighting over the years

Discover the advantages and disadvantages of LED light

Investigate if the improvements in lighting are consistent with users’ preference on various aspects (E.g. price, design, etc. )

Find out how the innovation in lighting can improve our daily lives on various aspects (E.g. home, office, industries, etc.)

Raise public’s concern on energy conservation

Work Division

Task Member

Project Background & Content Chan Hei Man, Chan Nok Yiu, Li Yue

Survey & Data Processing Chan Hei Man, Chan Nok Yiu, Li Yue

Data Analysis Chan Hei Man, Chan Nok Yiu, Li Yue

Multimedia Content Chan Nok Yiu, Li Yue

Conclusion Chan Hei Man, Li Yue

PowerPoint Design Chan Hei Man, Chan Nok Yiu

Search Strategies

Mind Map

Presentation Flow

Project Background

Content Information

Survey Results and

Analysis

Video (Application

s)Conclusion

Project Background ---Developments in lighting

Fire

Oil Lights Electri

c Lights

Gaslights

Incandescent bulb

Fluorescent bulb

LED Lights• SMD LED

bulb• COB LED

bulb• MCOB LED

bulb

Development of light bulbs

Online SurveyTarget: The General Publichttps://qtrial.qualtrics.com/SE/?SID=SV_0wd

b8yjHyN047u5

Price

Design

BrightnessEnergy consumption

Life span

0

5

3

4.5

4

2.5

3.5

Relative Importance of Various Factors

When Purchasing Light Bulbs(1:Most Important; 5:least Impor-

tant)

Chart 1: Users’ expectations when purchasing light bulbs

Energy con-

sumption29%

Brightness20%Design

15%

Life span26%

Price10%

Users’ Opinions on the Advantages of LED Light Bulbs Over Traditional Tungsten

Light Bulbs

Chart 2: Users’ Opinions LED Light bulbs(Advantages)

Advantages of LED lights

Environmentally friendlyEnergy efficientDurableControllable

63.625

49.92 52.69

43.29

32.98

0

10

20

30

40

50

60

70

Expensive Color Shift Not Stable Not Technical Not as Flexible asIncandescent Lamps

Users' Opinions on the Disadvantages of LED Lights

Expensive

Color Shift

Not Stable

Not Technical

Not as Flexible asIncandescent Lamps

Chart 3: Users’ Opinions LED Light bulbs(Disadvantages)

Disadvantages of LED lightsShift color due to age and temperature

Must be supplied with the correct voltage and current at a constant flow

Restricted by the technology

Maybe more expensive than incandescent lights

RetailOutdoor spaces Industry

HouseholdOffices

HealthcareHospitality

0

10

20

30

40

50

60

70

80

62.568.75

66.6666666666666 68.7577.0833333333333

66.666666666666670.8333333333333

Interviewees' opinions on the possible use of LED lights

Chart 4: Users’ Opinions LED Light bulbs(Applications)

Applications of LED lightsHouseholdOfficeRetailHospitalityIndustryOutdoor areaHealthcare

Video (Applications)

Hong Kong People

Yourself

0 1 2 3 4 5 6 7 8 9 10

5

7.5

Rating on Energy Conservation Awareness

(0: Least concern) (10: Most concern)

Chart 5: Users’ Awareness on Energy Conservation

ConclusionLED lights:Most significant symbol of innovation in

lightingIncreasing importance to our daily lifeIdeal for many applications Still have some drawbacks Allow us to live a more energy efficient

and eco-friendly life

Wikipedia http://zh.wikipedia.org/zh-tw/%E7%87%88

Youtubehttps://www.youtube.com/watch?v=9OdOkU7JW

X8https://www.youtube.com/watch?v=jT8WUqURj

MkOther websites

http://www.continental-lighting.com/led-basics/advantages-disadvantages.php

http://www.prweb.com/releases/2013/9/prweb11122962.htm

http://www.lighting.philips.com.hk/enhttp://www.sunshinelamp.net/

References

ReferencesNewspaper

Vogel, B. (2013). Inter airport europe 2013: LED specialists unveil new products. Jane's Airport Review, 25(10) Retrieved from http://search.proquest.com/docview/1442191883?accountid=11440

JournalGlobal LED lighting market

worth $42 billion by 2019. (2013, Oct 09). M2 Presswire. Retrieved from http://search.proquest.com/docview/1440186835?accountid=11440

Thanks!