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(1)

光電、能源與生醫物理實驗室 Optoelectronics & Medical Physics and Biomedical Engineering Lab

實驗室主持人：趙治宇 教授

(2)

Liquid Crystal Display

(3)

•Conformable display

•Display of clothing

• Wrist display

(4)

Microdisplay Applications

(5)
(6)

LED

目前美國家庭之各類燈具的照明用電佔總體用電約26%，

若全面都改採用LED燈具約可減少15%用電量。但LED燈 具之價格仍然昂貴，對消費者而言不見得比較省錢。

Smart Windows

節能玻璃可遮蔽辦公大樓至少15%的熱量來源，預期可省 去中央空調約30%耗電。節能玻璃發展空間仍相當大，配 合重視能源議題的趨勢，後市相當看漲！

(7)

Liquid Crystal (LC)

a liquid crystal may flow like a liquid, but its molecules may be oriented in a crystal-like way.

(8)

LC phases

Smectic Nematic Cholesteric

(9)

Optical anisotropy (Birefringence)

Short axis: ordinary index of refraction (n

o

)

Long axis: extraordinary index of refraction (n

e

)

(10)

Dielectric anisotropy

E

ɛ

//

ɛ

┴

(11)

Dielectric anisotropy

E

If ɛ

//

-ɛ

┴

> 0 → positive LC

(12)

Twisted Nematic LC Mode

ITO ITO

Alignment layer Alignment layer

Positive NLC Polarizer

Polarizer

(13)

手套箱

 低濕度(水氣含量<2%)

 低含氧量(氧氣濃度<1ppm)

 主要進行有機太陽能電池元件製作，

避免實驗過程材料氧化

(14)

光學量測桌

• 備有632nm雷射，偏振片及衰減片 等

• 可連接電表、示波器、函數產生器 等測量儀器

• 主要進行液晶光電元件之光電特性

量測

(15)

奈米壓印機

• 在可抽真空的腔體內製備奈米

等級的結構

(16)
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參考文獻

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