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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Analysis and prototyping micro-structured periodic light guides produced by plastic molding

Tsai, Kun-ming 14 July 2009 (has links)
With the constantly evolving displayer technology, the liquid crystal displayer (LCD) has become widely utilized on the market. As a result, the demand for high-performance LCDs is on the rise. In addition to the color quality and contrast ratio, the brightness of a LCD is also an important issue in LCD applications. Since light source of the LCD depends on the backlight module, it is important to develop efficient a backlight module to improve the brightness of the LCD. The light guide plate (LGP), which makes use of our previously proposed step micro-structure, has two problems. The first is that the thickness limits the dimension of the LGP. The other is that the complex manufacturing process is not suitable for mass-production. Due to these difficulties, we proposed a new design containing periodic trapezoid micro-structures. The periodic micro-structures can be easily fabricated by the ejection-set process. In addition, the dimension of the LGP will not be limited by this new design. In this thesis, we will analyze the performance of our proposed structure and discuss the factors which might affect the output light intensity of the LGP. We made a few dozen prototyping LGPs and measured the output brightness of produced by these periodic micro-structures. The apparent transparent nature of our proposed LGPs is due to the fact that the dimension of the micro-structure is close to the wavelength. Thus the applications of the new LGPs are no longer limited to the LCD backlight modules. It can be also be used for example, as the reading light plate.
12

Functional prototyping through advanced similitude techniques

Dutson, Alan James. January 2002 (has links) (PDF)
Thesis (Ph. D.)--University of Texas at Austin, 2002. / Vita. Includes bibliographical references. Available also from UMI Company.
13

Functional prototyping through advanced similitude techniques

Dutson, Alan James 28 August 2008 (has links)
Not available / text
14

A design for manufacturing method for rapid prototyping and rapid tooling

Sambu, Shiva Prasad 08 1900 (has links)
No description available.
15

Selective laser sintering of ultra high molecular weight polyethylene and Rapidsteel 2.0 for biomedical applications

Rimell, James Tristan January 2001 (has links)
No description available.
16

Layered fabrication of tool steel and functionally graded materials with a Nd:YAG pulsed laser

Su, Wei-Nien January 2002 (has links)
No description available.
17

Development of a three dimensional copier system using shadow Moiré and rapid prototyping technology /

Tang, Huiliang. January 2005 (has links) (PDF)
Thesis (M.Phil.)--City University of Hong Kong, 2005. / "Submitted to Department of Manufacturing Engineering and Engineering Management in partial fulfillment of the requirements for the degree of Master of Philosophy" Includes bibliographical references (leaves 79-80)
18

Stereolithography characterization for surface finish improvement inverse design methods for process planning /

Sager, Benay. January 2006 (has links)
Thesis (Ph. D.)--Mechanical Engineering, Georgia Institute of Technology, 2006. / Dr. David W. Rosen, Committee Chair ; Dr. Farrokh Mistree, Committee Member ; Dr. W. Jack Lackey, Committee Member ; Dr. Cliff Henderson, Committee Member ; Dr. Ali Adibi, Committee Member.
19

Physical models of biochemically important molecules using rapid prototyping techniques

Zubricky, James R. January 2006 (has links)
Thesis (M.S.)--Bowling Green State University, 2006. / Document formatted into pages; contains xii, 78 p. : ill. Includes bibliographical references.
20

Fused deposition modeling with localized pre-deposition heating using forced air

Partain, Seth Collins. January 2007 (has links) (PDF)
Thesis (M.S.)--Montana State University--Bozeman, 2007. / Typescript. Chairperson, Graduate Committee: Douglas S. Cairns. Includes bibliographical references (leaves 76-79).

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