Browsing by Issue Date, starting with "2012-08-11"

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液晶立體顯示裝置
(2012-08-11)
陳政寰
;
黃乙白
;
謝漢萍
;
莊尚智
;
吳其霖
一種液晶立體顯示裝置的結構，包括：在上表面具有複數個次畫素的第一基板，每個次畫素包括：開關元件、儲存電容，以及設於次畫素角落之透光區；下表面有相對於次畫素的複數個濾光區的第二基板；夾置於第一基板上表面以及第二基板下表面之間的液晶層；以及斜向遮罩設置於第二基板外側，由斜向遮罩出至少一個次畫素之全部透光區以及鄰接次畫素之全部儲存電容。
陣列被動式有機發光二極體顯示裝置
(2012-08-11)
孟心飛
;
洪勝富
;
趙宇強
本發明係提供一種陣列被動式有機發光二極體顯示裝置，其包括複數個垂直驅動有機發光電晶體，其具有第一集極、第一柵/基極及第一射極，又第一集極電性連接且相互平行形成複數條第一掃瞄單元，而第一柵/基極亦電性連接且相互平行形成複數條第二掃瞄單元，又第一射極係為其電極，其中第一掃瞄單元係與第二掃瞄單元係相互交錯垂直排列。藉由將垂直式發光電晶體直接垂直結合並驅動有機發光二極體，可增加有機發光二極體顯示裝置中每一畫素之發光面積，以及提高每一畫素的開口率。
無線通訊接收系統及其決定一接收訊號所對應之一發送訊號之裝置及方法
(2012-08-11)
吳文榕
;
吳俊穎
一種無線通訊接收系統及其決定一接收訊號所對應之一發送訊號之裝置及方法，該發送訊號包含複數個子發送訊號。系統選取至少一該等子發送訊號以作為一組基準訊號，該組基準訊號之複數個候選訊號值分別形成一候選幾何空間。將接收訊號分別投影至各該候選幾何空間，以分別產生投影訊號。於各該候選幾何空間中，量化所對應之投影訊號以得到量化投影訊號，各該量化投影訊號與所對應之投影訊號具有一投影距離。最後利用該等投影距離中之一最小者所對應之該量化投影訊號及所對應之該第一候選訊號值，以決定該發送訊號。
適應性音訊控制裝置及其方法
(2012-08-11)
白明憲
;
洪志仁
;
謝秉儒
;
艾學安
本發明揭露一種適應性音訊控制裝置及方法，根據背景噪音的訊號比，對原始訊號提供適當之信號增益，可用於車用音響、通訊產業或視聽娛樂，適應性音訊控制裝置主要結合噪音音量估測裝置、訊號雜訊比裝置、動態範圍控制裝置及一平滑裝置，並結合最小均方演算法，可根據訊號及背景噪音之訊噪比，來調整信號增益，維持穩定之訊噪比，特別適用於車內環境。
具音波感知功能之安全帽
(2012-08-11)
楊耀民
一種具音波感知功能之安全帽，係包括音波裝置、訊號處理裝置、狀態表現裝置與電力供應裝置，經該音波裝置中的音波發射模組發出感測音波，由該音波裝置中的音波接收模組接收感測音波，而由該訊號處理裝置處理感測音波，並控制該狀態表現裝置，使該狀態表現裝置產生相對應的狀態；藉此，用車人可以經由該具音波感知功能之安全帽，而主動且輕鬆地了解到車子的後方或是左、右二側後方的車輛方位，減少騎車分心的狀況，有效降低因此造成的用路人風險，大幅提高整體道路安全。
Digital-to-analog converter
(2012-08-14)
Hsieh Wen-Hung
;
Hung Chung-Chih
The present invention relates to a digital-to-analog converter comprising a differentiation circuit, a conversion circuit, and an integration circuit. The differentiation circuit receives and differentiates a digital signal for producing a differentiation signal. The conversion circuit is coupled to the differentiation circuit. It receives the differentiation signal and produces a conversion signal according to a clock signal and the differentiation signal. The integration circuit is coupled to the conversion circuit. It receives and integrates the conversion signal for producing an analog signal. Thereby, the purpose of reducing distortion noises can be achieved.
Video coding method using image data skipping
(2012-08-14)
Shih Yen-Chi
;
Chang Tian-Sheuan
The present invention discloses the video coding method using image data skipping. Said method detects whether the encoded macro-block has to be skipped and terminated by a likelihood ratio test prior to mode decision. Therefore, the computation burden such as motion estimating and compensating can be properly eliminated. In one embodiment, the skipping likelihood ratio is composed of the encoded block and its predictions associated with the skipping displacement. While the decision threshold adapts according to the mode decision and detection statistics, the false detection and rate-distortion are substantially preserved.
一種應用於顯示器之長時間照光電流衰退現象的校正方法
(2012-08-16)
戴亞翔
;
陳少宏
;
周祿盛
本發明提供一種顯示器之長時間照光電流衰退現象的校正方法，包含：在照光時間下，光感測元件接收該顯示器之環境光及背光光源以得到第一電流值；關閉該顯示器之該背光光源，使得該光感測元件只偵測到環境光而得到第二電流值；比較該第一電流值與該第二電流值以得到一參數值；以及根據參數值對應具有一參數值(R)與一環境光強度之曲線圖，以得到在該照光時間下之該環境光強度。
Raman Scattering for Probing Semiconductor Nanocrystal Arrays with a Low Areal Density
(2012-08-16)
Milekhin, Alexander G.
;
Yeryukov, Nikolay A.
;
Sveshnikova, Larisa L.
;
Duda, Tatyana A.
;
Kosolobov, Sergey S.
We present a study of resonant and surface enhanced Raman scattering by arrays of nanocrystals (cadmium sulfide CdS, lead selenide PbSe, and zinc oxide ZnO) with various areal density fabricated by using the Langmuir-Blodgett technique and colloidal chemistry. Resonant Raman scattering by transverse, longitudinal, and surface optical (TO, LO, and SO) phonons and their overtones up to ninth order was achieved for nanocrystal (NC) arrays by adjusting the laser energy to that of the interband transitions. The resonance enhancement allowed a Raman response from arrays of NCs with a low areal density (down to 10 PbSe NCs per 1 mu m(2)) to be measured. An enhancement of Raman scattering by LO and SO modes in CdS NC arrays with a low areal density by a factor of about 730 was achieved due to the resonant surface enhanced Raman scattering effect.
Excited state dynamics of green fluorescence protein chromophore derivatives investigated with time-resolved fluorescence and transient infrared absorption
(2012-08-19)
Cheng, Chi-Wen
;
Hsu, Hung-Yu
;
Huang, Guan-Jhih
;
Diau, Eric Wei-Guang
;
Yang, Jye-Shane
Effects of surface doped metal ions on the photocatalytic activity of titanium dioxide
(2012-08-19)
Liu, Wei S.
;
Chang, Sue-min
;
環境工程研究所
;
Institute of Environmental Engineering
Effects of counter-rotating interaction on driven tunneling dynamics: Coherent destruction of tunneling and Bloch-Siegert shift
(2012-08-20)
Lu, Zhiguo
;
Zheng, Hang
;
電子物理學系
;
物理研究所
;
Department of Electrophysics
We investigate the dynamics of a driven two-level system (classical Rabi model) using the counter-rotating-hybridized rotating-wave method (CHRW), which is a simple method based on a unitary transformation with a parameter.. This approach is beyond the traditional rotating-wave approximation (Rabi-RWA) and more importantly, remains the RWA form with a renormalized tunneling strength and a modified driving strength. The reformulated rotating-wave method not only possesses the same mathematical simplicity as the Rabi-RWA but also allows us to explore the effects of counter-rotating (CR) components. We focus on the properties of off-resonance cases for which the Rabi-RWA method breaks down. After comparing the results of different RWA schemes and those of the numerically exact method in a wide range of parameter regime, we show that the CHRW method gives the accurate driven dynamics which is in good agreement with the numerical method. Moreover, the other RWA methods appear as various limiting cases of the CHRW method. The CHRW method reveals the effects of the CR terms clearly by means of coherent destruction of tunneling and Bloch-Siegert shift. Our main results are as follows: (i) the dynamics of the coherent destruction of tunneling is explicitly given and its dependence on Delta is clarified, which is quantitatively in good agreement with the exact results; (ii) the CR modulated Rabi frequency and the Bloch-Siegert shift are analytically calculated, which is the same as the exact results up to fourth order; (iii) the validity of parameter regions of different RWA methods are given and the comparison of dynamics of these methods are shown. Since the CHRW approach is mathematically simple as well as tractable and physically clear, it may be extended to some complicated problems where it is difficult to do a numerical study.
Prism-type holographic optical element design and verification for the blue-light small-form-factor optical pickup head
(2012-08-20)
Shih, Hsi-Fu
;
Chiu, Yi
;
Cheng, Stone
;
Lee, Yuan-Chin
;
Lu, Chun-Shin
This paper presents the prism-type holographic optical element (PT-HOE) design for a small-form-factor (SFF) optical pickup head (OPH). The surface of the PT-HOE was simulated by three steps of optimization and generated by binary optics. Its grating pattern was fabricated on the inclined plane of a microprism by using the standard photolithography and specific dicing procedures. The optical characteristics of the device were verified. Based on the virtual image method, the SFF-OPH with the device was assembled and realized. (c) 2012 Optical Society of America
Design, fabrication, and characterization of Si-based ARROW photonic crystal bend waveguides and power splitters
(2012-08-20)
Chen, Jian-Hua
;
Huang, Yang-Tung
;
Yang, Yu-Lin
;
Lu, Ming-Feng
;
Shieh, Jia-Min
Silicon-based (Si-based) photonic crystal waveguide based on antiresonant reflecting optical waveguide (ARROW PCW) structures consisting of 60 degrees bends and Y-branch power splitters were designed and first efficiently fabricated and characterized. The ARROW structure has a relatively large core size suitable for efficient coupling with a single-mode fiber. Simple capsule-shaped topography defects at 60 degrees photonic crystal (PC) bend corners and Y-branch PC power splitters were used for increasing the broadband light transmission. In the preliminary measurements, the propagation losses of the ARROW PC straight waveguides lower than 2 dB/mm with a long length of 1500 mu m were achieved. The average bend loss of 60 degrees PC bend waveguides was lower than 3 dB/bend. For the Y-branch PC power splitters, the average power imbalance was lower than 0.6 dB. The results show that our fabricated Si-based ARROW PCWs with 60 degrees bends and Y-branch structures can provide good light transmission and power-splitting ability. (c) 2012 Optical Society of America
Effect of Ti doping concentration on resistive switching behaviors of Yb2O3 memory cell
(2012-08-20)
Mondal, Somnath
;
Chen, Hung-Yu
;
Her, Jim-Long
;
Ko, Fu-Hsiang
;
Pan, Tung-Ming
We investigate the resistive memory switching behaviors of Yb2O3 thin films for different Ti-dopant concentrations. A higher doping concentration of 9.4% of Ti atom into Yb2O3 thin film causes the switching mechanism to change from bipolar to unipolar behavior. This is ascribed to different chemical compositions of the filament through the oxide film. The reset mechanism is associated with the annihilation of oxygen vacancies and other ionic and electronic defects within or near the interface area of oxide film for bipolar switching, while it is believed to be due to rupture of the conducting filament by local Joule heating effect for unipolar resistive switching. Furthermore, the incorporation of Ti atom into the Yb2O3 memory device exhibits improved electrical performances including low set/reset voltages and good endurance and retention characteristics. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4747695]
Characterization and modeling of trap number and creation time distributions under negative-bias-temperature stress
(2012-08-20)
Chiu, Jung-Piao
;
Li, Chi-Wei
;
Wang, Tahui
;
電子工程學系及電子研究所
;
Department of Electronics Engineering and Institute of Electronics
Individual trapped charge creations and a trap number in p-type metal-oxide-semiconductor field effect transistors (pMOSFETs) under negative bias temperature instability (NBTI) stress are investigated. We find that the characteristic times of a trapped charge creation scatter over several decades of time in small area pMOSFETs, which is attributed to an activation energy distribution in the reaction-diffusion (RD) model of NBTI. We develop a statistical model by combining the RD model with an extracted activation energy distribution to calculate a threshold voltage shift distribution at different NBTI stress times. Our model agrees with measured results very well. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4748108]
交大e-News第124期
(2012-08-20)
Secretariat
;
國立交通大學秘書室
一種噻吩衍生物高分子與其製備方法
(2012-08-21)
韋光華
;
張耀德
本發明係提供一種噻吩衍生物高分子與其製備方法，其特徵在於該噻吩衍生物高分子的至少一側鏈含有己基－菲基－1,3－二氮雜茂基團，其末端則具有至少一己基官能基。此噻吩衍生物高分子在太陽能電池的應用上與[6,6]－苯基－C61－丁酸甲酯([6,6]－phenyl－C61－butyric acid methyl ester,PCBM)掺混，可提升高分子的溶解度及高分子之電荷快速分離，有效提高光電轉換效率。
Document processing system and method thereof
(2012-08-21)
Lee Chia-Hoang
;
Liao Zan-Wei
In a document processing system and a document processing method, the document processing method includes the steps of: obtaining a document and dividing the document into a plurality of terms and giving a syntactic index to each of the terms; dividing the document into a plurality of sentences; selecting a key syntactic index from the syntactic indexes, and transforming each of the sentences into a preliminary key terms sequence which includes a preliminary key term corresponding to the key syntactic indexes according to the key syntactic indexes; selectively expanding the preliminary key term of a representative sentence of the document into an advanced key term; and determining at least one core candidate sentence among the sentences to generate a core abstract of the document according to the preliminary key terms and the advanced key term.
基於位置影像資料與位置資訊之查詢系統、查詢方法及建立方法
(2012-08-21)
曹孝櫟
;
林政龍
;
林冠儒
;
陳薪中
本發明係揭露一種基於位置影像資料與位置資訊之資料查詢系統及查詢方法，其係包括一行動擷取裝置與一遠端伺服裝置。其中，行動擷取裝置透過一傳輸模組以提供一空間參數及一鏡頭參數予遠端伺服裝置。遠端伺服裝置以此空間參數及鏡頭參數決定出一查詢空間範圍，並查詢出物件空間位置參數位於該查詢空間範圍之物件資料，於該行動擷取裝置顯示的影像資料上標記物件資料，以便利使用者選取決定欲觀看之物件，進一步查詢物件資料及相關影像資料。同時，本發明再提供一種基於位置影像資料及位置資訊的資料建立方法，本方法利用至少一第一建立資料與一第二建立資料。根據該些建立資料所提供之空間參數及鏡頭參數之交集，建立一對應之物件資料。