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RISS 인기검색어
- 검색키워드
- 저자 : Ching-Lin Fan (검색결과 5 건)
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New Pixel Circuit Compensating Poly-si TFT Threshold-voltage Shift for a Driving AMOLED
Ching-Lin Fan,Y. Y. Lin,B. S. Lin,J. Y. Chang,C. L. Fan,H. C. Chang 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.4
This study presents a novel pixel circuit that uses only n-type low-temperature polycrystallinesilicon (poly-Si) thin-film transistors (LTPS-TFTs) to simplify the fabrication process of activematrix organic light-emitting diode (AMOLED) displays. The proposed pixel circuit consists of five switching TFTs, one driving TFT (DTFT), and two capacitors. The output current and the OLED anode voltage error rates are about 3% and 0.7%, respectively. Thus, the pixel circuit can realize uniform output current with high immunity to the poly-Si TFT threshold voltage deviation. The proposed novel pixel design has great potential for use in large-size, high-resolution AMOLED displays.
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Ching-Lin Fan,Yi-Yan Lin,Yan-Hang Yang 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.8
This study presents a combined scheme of rapid thermal annealing (RTA) and multi-channel structure for improving the performance of polycrystalline silicon (poly-Si) thin film transistors (TFTs). Results show that RTA treatment can improve device performance by decreasing the number of in-grain defects and improving the quality of the gate oxide. The multi-channel structure improves the electrical characteristics of the poly-Si TFTs by decreasing the number of grainboundary defects. Thus, the combined scheme can effectively reduce defect states and improve the gate-oxide’s quality simultaneously, resulting in a significant improvement in the performance of poly-Si TFTs. In addition, the performance improvement is particularly apparent for the TFTs with a thinner gate oxide and smaller channel length. Therefore, the proposed scheme is a good candidate for improving the electrical characteristics of TFTs for use in small-to-medium size displays.
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Yi-Jung Lin,Lir-Wan FAN,Yu-Ching Tu 한국간호과학회 2016 Asian Nursing Research Vol.10 No.1
Purpose: High-risk types of human papillomavirus (HPV) are a critical etiologic factor behind cervical cancer. Adolescents are a vulnerable group for HPV infection. However, the literature on adolescent women for HPV infection and cervical cancer is limited. This study was to investigate HPV-related knowledge and perceived risk of HPV infection and cervical cancer among Taiwanese adolescent women in order to assess intervention strategies for prevention of cervical cancer and maintenance of reproductive health. Methods: A descriptive cross-sectional study design was implemented. There were 610 adolescent women from three colleges in Southern Taiwan who participated in this study. Data were collected using an anonymous self-administered questionnaire survey. Results: The results showed that the percentage of appropriate answers to HPV-related knowledge questions was only 36.8%, and smoking as the leading cause of cervical cancer received the lowest mean score for appropriate answers among the HPV-related knowledge items. The perceived risk of HPV infection and cervical cancer were moderate, with relatively lower susceptibility to infection with HPV than to cervical cancer (p < .001). Only 11.5% of the participants reported that they had received information about HPV vaccination from healthcare professionals. Conclusions: Participants lacked a comprehensive understanding of cervical cancer prevention and were not aware of their susceptibility to HPV infection. Adolescent women rarely obtained HPV-related information from healthcare professionals. Appropriate education strategies should be developed and conducted by healthcare professionals to reduce the risk of cervical cancer threat from adolescence.
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Shu-Tong Chang,Shu-Hui Liao,Wei-Ching Wang,Chung-Yi Lin,Jun-Wei Fan 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.2
The physical mechanisms of electron mobility and balistic drain curent enhancement by stress are investigated. From modified higher-order k·p band calculations, the stress-induced split of the conduction band edge and the effective mass change are quantitatively evaluated. It was experimentaly and theoreticaly demonstrated that the energy surface of 2-fold valeys in Si NMOSFETs on a (001) wafers is especially warped due to a uniaxial [110] stress, resulting in a lighter transverse effective mass of the 2-fold valleys parallel to the stress. The physical reasons for the warped subband structure and the abnormal mobility enhancement caused by the uniaxial stres are investigated. The rates of variation of the experimental electron mobility in NMOSFETs on wafers with (01) orientations undera <110> uniaxial stress as a function of the channel direction is theoretically studied. The limits of electron mobility enhancement and the effectiveness of stress enginering in enhancing the balistic drain current of NMOSFETs are also discussed.
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Efficient Photon Capturing with Ordered Three-Dimensional Nanowell Arrays
Leung, Siu-Fung,Yu, Miao,Lin, Qingfeng,Kwon, Kyungmook,Ching, Kwong-Lung,Gu, Leilei,Yu, Kyoungsik,Fan, Zhiyong American Chemical Society 2012 NANO LETTERS Vol.12 No.7
<P>Unique light-matter interaction at nanophotonic regime can be harnessed for designing efficient photonic and optoelectronic devices such as solar cells, lasers, and photodetectors. In this work, periodic photon nanowells are fabricated with a low-cost and scalable approach, followed by systematic investigations of their photon capturing properties combining experiments and simulations. Intriguingly, it is found that a proper periodicity greatly facilitates photon capturing process in the nanowells, primarily owing to optical diffraction. Meanwhile, the nanoengineered morphology renders the nanostructures with a broad-band efficient light absorption. The findings in this work can be utilized to implement a new type of nanostructure-based solar cells. Also, the methodology applied in this work can be generalized to rational design of other types of efficient photon-harvesting devices.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/nalefd/2012/nalefd.2012.12.issue-7/nl3014567/production/images/medium/nl-2012-014567_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nl3014567'>ACS Electronic Supporting Info</A></P>
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