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LED is a semi-conductor diode, it moves from high electronic energy level of to low, and emits light at particular wavelengths during this movement. LED came into the world by its light-emitting is observed when applied voltage to the semi-conductor in 1923. It was used in practice from end of 1960’s. In the beginning, Red LED was developed only, but blue and green led are also developed and made it possible to create natural and white colors.
It is receiving attention as advanced and new light source because needs for echo-friendly and high efficiency lighting, such as 0% mecury, Climatic Change Convetion, came to the fore .

Mechanical design is drawing by 2D, 3D CAD which are managed accurately so that the products design could be manufactured as a real mock-up. And every part should not only satisfy design but also be designed in each part, part assembly and whole assembly for functionality, durability, functionality, Fabricability, composition, productivity, production cost. Goods are manufactured by Injection, die casting, press, machining, surface treatment, other ways

1.

Technical review ( function, structure, 형합, productivity) the design data(2D or 3D)

2.

Obtaining related and core specification and parts data

3.

Technical reviewing on the structure and system

4.

Reviewing on and discussing mechanical structure of products and suitability of layout of electronics-parts of circuit

5.

Comprehensive reviewing confirmation ( mechanic parts : test confirmation, circuit : system confirmation)

6.

design schedule reviewing

7.

Layout circuit parts layout

8.

Basical design skin work

9.

Basical design per parts

10.

Interim inspection and discussion and verification by designer and planner of the product

11.

1st detailed design

12.

Check / Confirm

13.

2nd detailed design

14.

1st PCB drawing submission

15.

mold quotation requesting, data completing and submission

16.

Prototype making

17.

Working Mock-up assembly and check

18.

Final mold making, completing data and data transference

19.

Final PCB drawing submission

20.

Mold making Follow up

21.

project injection and check – checking the composition of parts and PCB, functionality, design faults, manufacturing mold, faults, dimension, quality and so on.

22.

Mold Modify Data and Mold Modify Follow Up ( in this process, decide the injected outer skin of

23.

Final project injection and check ( re-modification if faults are found)

24.

Completed by reporting Related documents and transferring final data

Product design is considering function and performance of developing product, identifying the appearance in 2D, 3D and Mock up type, and making mechanical designer can manufacture based on that. The process of Industrial design is, based on the requested data collection, preparing creating activities by researching and studying product itself, sales point, consumers’ situation, purchaseres and target markets.

Making creating-activities-Perspective, part drawing, Rendering, Mock up, making presentation completed design drawing, and then make modified and completed design.

Industrial design is different from traditional art and design in that it is required to include engineering approach and commercial viability as well as artistic characteristics. Therefore Industrial design should be taken by the experts who have knowledge on products and manufacturing as well as artistic sense.