TFT-LCD & FIR Filter Design
- 최초 등록일
- 2013.10.28
- 최종 저작일
- 2013.06
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한컴오피스
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목차
1. Background
2. Experiment Analysis
3. Discussion
4. Conclusion
5. References
6. Appendix
7. Source Code
본문내용
Liquid crystal was discovered by the Austrian botanist Fredreich Rheinizer in 1888. "Liquid crystal" is neither solid nor liquid (an example is soapy water).
In the mid-1960s, scientists showed that liquid crystals when stimulated by an external electrical charge could change the properties of light passing through the crystals.
The early prototypes (late 1960s) were too unstable for mass production. But all of that changed when a British researcher proposed a stable, liquid crystal material (biphenyl). Today's color LCD TVs and LCD Monitors have a sandwich-like structure.
Sandwich-like Structure
Structure of TFT-LCD
That are used in calculators and devices with similarly simple displays, have direct-driven image elements; and therefore, a voltage can be easily applied across just one segment of these types of displays without interfering with other segments of their displays. That would be impractical for a large display because it would have a large number of (colour) picture elements (pixels) and thus, it would require millions of connections, both top and bottom for each one of the three colors (red, green and blue) of every pixel.
참고 자료
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