bluuebunny/crossref_metadata_2025_split huggingface dataset:
21.4: Study on the Thermal Shrinkage of Annealed Corning Code 1737 Glass for Low‐Temperature Poly‐Si Application
Authors: Mori K. , Anma A. 
Published: January 2005

AbstractThermal shrinkage of annealed Corning 1737 glass was measured following simulated thermal cycles for low temperature poly‐Si fabrication. If process temperature is reduced from 600 to 550°C, thermal shrinkage decreases by more than 50%. Reduction of process temperature as well as cycle time have a large impact on reducing thermal shrinkage.
22.1: Alignment of Ferroelectric LCDS with Hybrid LPP‐Photoaligned Polymer Networks
Authors: Fünfschilling J. , Staider M. , Schadt M. 
Published: January 2005

AbstractOur linearly photopolymerized LPP photo‐alignment technology enables to optically align liquid crystals, thus avoiding mechanical brushing. We show that hybrid photoaligned LPP/LCP liquid crystal polymer‐ layers as thin as 12nm exhibit excellent alignment properties for ferroelectric LCD's, Deformed helix ferroelectric LCD's aligned by our technique exhibit contrast ratios >200:1, response times < 200μs and display full gray scale without ghost images.
Mechanism of Color Breakup on Field‐Sequential Color Projectors
Authors: Mori Mineo , Hatada Toyohiko , Ishikawa Kazuo , Saishouji Tosio , Wada Osamu , Nakamura Junichi , Terashima Nobuyoshi 
Published: January 2005

AbstractTo investigate color breakup on field‐sequential color projector, we measured threshold of color fusion frequency to retinal velocity of the moving edge on the color flicker filed. The characteristic changed in the velocity as saccade. The result suggests that the mechanism of color breakup differs by range of retinal velocity.
Current Status and Future of Light Emitting Polymer Display driven by Poly‐Si TFT
Authors: Shimoda Tatsuya , Kimura Mutsumi , Miyashita Satoru , Friend Richard H. , Burroughes Jeremy H. , Towns Carl R. 
Published: January 2005

AbstractThe combination of Light Emitting Polymer (LEP) with Poly‐Si TFT has great potential to realize an ideal type of the flat panel display. High‐resolution monochrome LEP display driven by p‐Si TFT with integrated driver has been already developed. That demonstrated its high potential. The current status of the technologies will be introduced, with some comment for further developmental work.
27.3: Improvement of Electrical Stability of Poly‐Si TFTs Using Vertical a‐Si Offset
Authors: Park K.‐C. , Yoo J.‐S. , Kim C.‐H. , Han M.‐K. , Choi K.‐Y. 
Published: January 2005

AbstractPolycrystalline silicon (poly‐Si) thin film transistors (TFT's) employing vertical amorphous silicon (a‐Si) offsets have been fabricated without additional photolithography processes. The a‐Si offset has been formed utilizing the poly‐Si grain growth blocking effect by thin native oxide film during the excimer laser recrystallization of a‐Si. The ON current degradation of the new device after 4 hour's electrical stress, was reduced by at least 5 times compared with conventional poly‐Si TFT's.
Improved DC Reliability of Polysilicon Thin‐Film Transistors with Deuterium Plasma Treatment
Authors: Tung Yeh‐Jiun , Huang Xuejue , King Tsu‐Jae , Boyce James , Ho Jackson 
Published: January 2005

AbstractWe demonstrate the improved reliability of high‐temperature (950°C) processed poly‐Si TFTs passivated in a deuterium plasma ambient. Deuterated TFTs exhibit better resistance to performance degradation under dc stress than hydrogenated TFTs. In particular, VT shift is substantially reduced for deuterated TFTs. Our results indicate that the simple substitution of deuterium gas for hydrogen gas in plasma passivation of poly‐Si TFTs can significantly improve device lifetime.
Variable‐Resolution Displays for Visual Communication and Simulation
Authors: Geisler Wilson S. , Perry Jeffrey S. 
Published: January 2005

AbstractThe spatial resolution of the human visual system decreases as a function of angular distance from the direction of gaze. This fact can be exploited in various applications to increase image compression, to increase image processing speed, and to decrease access time for image data. This paper describes a multiresolution pyramid method for creating variable resolution displays in real time using general purpose computers. The location of the high resolution region(s) can be dynamically controlled by the user with a pointing device (e.g., a mouse or an eye tracker) or by an algorithm. Our method has a number of advantages: high computational speed and efficiency, smooth artifact‐free variable resolution, and compatibility with other image processing software/ hardware. Applications to video communications (MPEG) and graphic simulation are described.
Optimization of Reliable Transparent Organic Light‐Emitting Devices
Authors: Zhou T. X. , Brown J. J. , Mahon J. K. , Burrows P. E. , Forrest S. R. 
Published: January 2005

AbstractThe optical and electrical properties of the Mg‐Ag/ITO electrode of transparent organic light emitting devices (TOLED) have been extensively studied. An optimum thickness of Mg‐Ag has been chosen to achieve low operational voltage and high transparency. A more than 20‐fold improvement in ITO deposition rate over that previously reported has been achieved. Reliability data comparable to those of conventional OLEDs have been obtained.
A Polysilicon Active Matrix Organic Light Emitting Diode Display with Integrated Drivers
Authors: Dawson R. M. A. , Shen Z. , Furst D. A. , Connor S. , Hsu J. , Kane M. G. , Stewart R. G. , Ipri A. , King C. N. , Green P. J. , Flegal R. T. , Pearson S. , Barrow W. A. , Dickey E. , Ping K. , Robinson S. , Tang C. W. , Van Slyke S. , Chen C. H. , Shi J. , Lu M. H. , Moskewicz M. , Sturm J. C. 
Published: January 2005

AbstractThe design of an active matrix organic light emitting diode (AMOLED) display using a polysilicon thin film transistor pixel is described. Characteristics of the OLED response in the low current regime are described and their impact on the design of integrated driver circuitry is discussed. Integrated data and select scanners which generate the signals necessary for data capture and pixel calibration are presented.
HIGH EFFICIENCY WHITE ORGANIC LIGHT EMITTING DEVICES
Authors: Ali T. A. , Ghosh A. P. , Howard W. E. 
Published: January 2005

AbstractThis paper reports the fabrication of a high efficiency and high brightness white Organic Light Emitting Device (OLED) based on evaporated small molecules. The luminous efficiency of the device is approximately 1.5 lumens/watt, which, to the best of our knowledge, is the highest reported efficiency in the literature. Brightness in excess of 1000 cd/m2 is achieved at a voltage of 10V. The emitted white light, with CIE coordinates of x=0.33 and y=0.33, can be converted to red, green and blue sub‐pixels using color filters. The OLED device comprises an emission layer made of DPV type host with a single fluorescent dopant. The emission layer is sandwiched between a hole transport layer and an electron transport layer (Alq3).
Low Temperature Flat Panel Display Driver Circuits in RTP Crystallized Polysilicon
Authors: Stewart Mark , Afentakis Themis , Sarcona Greg , Hatalis Miltiadis K. 
Published: January 2005

AbstractThe crystallization of amorphous silicon by rapid thermal processing has some important advantages over other techniques such as laser annealing. This work investigates the characteristics of low temperature polysilicon flat panel display driver circuits fabricated in RTP crystallized polysilicon. Both digital (shift register) and analog (operational amplifier) circuits are presented.
LP‐1:Late‐News Poster:Scaling Effects of Sub‐Micron Low‐Temperature Poly‐Si TFTs
Authors: Takei M. , Uematsu T. , Yoshino K. , Takeuchi F. , Mishima K. , Sasaki N. 
Published: January 2005

AbstractSub‐micron TFTs were fabricated by using an undoped excimer‐laser‐crystallized Si film on a large glass substrate (300mm × 300mm) at exactly low process temperatures below 450 °C, for the first time. The mobility of n‐channel TFT was 180cm2/Vs and that of p‐channel was 30cm2/Vs, for small devices having 0.6 μm gate length and 0.6μm width. We observed no anomaly in threshold voltage and mobility as a function of gate length from 0.6 to 9.6 μm. However, positive shifts of threshold voltage were observed with decreasing gate width for both n‐and p‐channel devices.
Substrate Defect Detection Using Nematic LCs
Authors: Tomilin M. G. 
Published: January 2005

AbstractThe thin layers of homogeneously oriented nematic LCs applied on the surface under investigation as a free film can visualise through a polarising microscope cleaning defects, traces of physicochemical modifications, structural inhomogeneities and microrelief defects. The basic theory was developed to describe the defect's image formation process and its relation to nematic LC film parameters. On this basis a new non‐destructive method to study FPD substrates quality has been developed.
Analysis of Some Materials Used for In‐Neck Yokes
Authors: Li Xiaohua , Li Lingzhen 
Published: January 2005

AbstractThe vacuum properties are analyzed for some materials, such as, Mn‐Zn ferrite, Enameled polyimide copper wire. Through the experimental analysis, the vacuum properties of magnetic Mn‐Zn ferrite and Enameled polyimide copper wire are discussed thoroughly. These materials are successfully used in inner yoke tubes.
P‐15: The Innovational Manufacturing
Authors: Koh N. J. , Lim J. M. , Kim S. Y. 
Published: January 2005

AbstractThe Technology of Flatron CDT has been developed by LG Electronics. While we are developing the FLATRON, in spite of knowing that the flat screen CDT give many merits to PC(Personal Computer) and Workstation users, we find why conventional CDT have spherical and cylindrical face. One reason is that it is much more difficult to make glass in flat rather than spherical or cylindrical shapes. The other is a flat shadow mask expands or domes more severely by electrons than a rounded one.LG FLATRON conquered the difficulties by applying perfectly flat panel and using the flat tensioned mask. Also we can adopt interchange ability process in mask and faceplate. We will show how to accomplish innovational process which are NCE(Near Contact Exposure) and ICM (Interchangeable Mask) for Flatron CDT.
LP‐3: Late‐News Poster: Photoalignment Materials Based on ω‐(4 ‐Chalconyloxy) Alkyl Groups Providing TN Alignment with Pretilt Angle by One‐Step Exposure of Polarized Near‐UV Light
Authors: Nakata S. , Kuriyama K. , Kimura M. , Natsui Y. , Makita Y. , Matsuki Y. , Bessho N. , Takeuchi Y. 
Published: January 2005

AbstractNew photo LC alignment materials based on poly (ω ‐(4‐chalconyloxy) alkoxyphenyl maleimide) were synthesized and evaluated. On the films of these materials, LC alignment was regulated parallel to the polarization plane of the exposed LPUV at a large dose, and thus generated pretilt angle among 1–5° by one‐step slantwise LPUV exposure. TN cells were fabricated using these materials.
Small Spot Contrast Measurements in High Performance Displays
Authors: Badano Aldo , Flynn Michael J. , Kanicki Jerzy 
Published: January 2005

AbstractIt has been reported recently that conventional methods for measuring the contrast ratio of display devices using small dark spots provide inaccurate data. In this paper, we describe an experimental method for reliable measurements of the small spot contrast ratio, based on a collimated probe that minimizes the signal contamination to less than 10−4 of the bright eld. Applications to veiling glare measurements and electronic crosstalk characterization are presented.
Microscope Metrology of Reflective Light Valves
Authors: Ho Kenneth C. , Rosenbluth Alan E. , Lu Minhua , Yang Kei‐Hsiung 
Published: January 2005

AbstractA polarizing microscope is used to measure the electro‐optic properties of nematic light valves on a spatial, spectral, and time‐resolved basis. Under the quiescent uniform twist approximation(8), the response of the liquid crystal (LC) layer can be broadly characterized by a universal polarization conversion efficiency (PCE) function (essentially the reflectivity between crossed polarizers), whose primary independent variable is the unified parameter Δn d/λ. Spectral resolution capability in the polarizing microscope thus allows measurement of light valve PCE as a function of λ; the PCE response in turn largely determines projector dark state neutrality and color balance across gray scale. Emphasizing the case of a normally black 45° TN reflective (RTN) light valve, we use colorimetric analysis of PCE parameter‐space to select an optimal cell gap, based on a criterion of near‐achromatic black state. Once black state is achromatized, the non‐constant slope of the PCE curve implies a characteristic residual variation in CIE chromaticity as gray level is changed (for non‐monochromatic illumination). Spectral resolution allows the microscope to measure spatial variations in Δn d (and hence in PCE response). Variations in Δn d may arise from nonuniformity in either cell gap or pretilt. These may be distinguished by using the microscope to make a spatially resolved measurement of response time.
Timing Measurement and Simulation of a TFT‐LCD Panel using Pixel Macro Models
Authors: Aoki Hitoshi 
Published: January 2005

AbstractThis paper demonstrates a new, fast, and effective circuit simulation method for a full LCD panel. The simulation circuit consists of a‐Si TFT model presented earlier [1], the liquid crystal [1], the pixel macro models, and interconnects. We show the pixel macro modeling process associated with the timing simulation. Also, the timing measurement has been obtained to validate the macro model. Using the simulation method presented here some large LCD panels have been simulated in less than a minute on a workstation.
P‐24: Magnesium Oxide Films via Sol‐Gel Processing for Practical Application to Large‐Size PDPs
Authors: Woo S. H. , Kim J. J. , Ryu J. H. , Park M. H. , Park C. W. , Chae H. K. 
Published: January 2005

AbstractSol‐gel approach to magnesium oxide has been utilized for the fabrication of its protective thin films of Plasma Display Panel (PDP) dielectrics. The MgO films derived from the solution reproducibly present good crystallinity and surface morphology. The solution was coated on large size PDP and calcined at about 480 °C in air to obtain high quality NlgO thin film. The PDP thus obtained at a lower producing cost showed similar electrical properties for practical applications compared with electron beam evaporated one.
P‐25: Secondary ‐Electron‐Emission Analysis of MgO Films in ac Plasma Displays
Authors: Ishimoto M. , Hidaka S. , Betsui K. , Shinoda T. 
Published: January 2005

AbstractThe ion‐induced secondary‐electron‐emission yield of MgO films by the ion gun method was successfully measured. Variations due to crystal orientation and ion kinetic energy were observed. Ejected electron energy showed correlation with the ionization energy of the gas.
Improvement of field emission properties by formation of Nb‐silicide layer on silicon‐tip FEAs
Authors: Park Jae Seok , Lee Sanjo , Ju Byeong Kwon , Jang Jin , Jeon D. , Oh Myung Hwan 
Published: January 2005

AbstractMetal‐silicide on silicon‐tip field emission arrays (FEAs) seems to be a promising way to the performance of the silicon‐tip FEAs. The Nb(Niobium)‐silicide layer was formed on silicon surface. The Nb‐silicide FEAs was prepared by silicidation process. The formation of Nb‐silicide layer on silicon surface was confirmed by using X‐Ray Diffractometry(XRD). The current‐voltage characteristics and the current fluctuation were measured under the ultra high vacuum environment using a Kiethley SMU 237 meters. The turn‐on voltage of silicon‐tip FEAs was decreased from 64V to 47V by the formation of the Nb‐silicide layer on silicon‐tip and the emission current fluctuation (2%) was more stable than that of conventional silicon‐tip FEAs.
Oxide Phosphor Green EL on Glass Substrates
Authors: Kitai A. H. , Cook K. A. , Zhang Y. , Ho D. , Stevanovic D. V. , Huang Z. , Nakua A. 
Published: January 2005

AbstractA new thin film EL device based on green emitting oxide phosphor Zn2Si.5Ge.5O4:Mn has been realized on glass and quartz substrates. The device relies on thin film dielectrics which are sputter deposited. Maximum processing temperature for the device is 700°C and excellent brightness of over 180 cd/m2 at 60 Hz may be achieved at 50 V above threshold. Typical device structures and their performance will be described.
Chromaticity, stability, and excitation characteristics of RGB thin film oxide phosphor systems for FED
Authors: Bondar V. , Dubov Yu. , Popovich S. 
Published: January 2005

AbstractSpectra and diffraction patterns of multilayer systems based on thin film phosphors Zn2SiO4:Mn, Zn2SiO4:Ti, ZnGa2O4:Cr, ZnGa2O4:Mn, Y2SiO5:Ce, and Y2O3:Eu are presented. Multilayer RGB phosphor triads for obtaining white color were investigate, and developed. Luminescence dependence on electron beam energy, current density, as well as long‐term stability of thin film oxide phosphors were investigated. The novel time behavior characteristic for degradation processes in thin films was found.
Model of Amplified Spontaneous Emission in an Image Mode Laser: Theory and Experimental
Authors: Firehammer Joel A. , Crawford Gregory P. , Lawandy Nabil M. 
Published: January 2005

AbstractThe reduction in the output efficiency of an image mode laser due to amplified spontaneous emission is studied both theoretically and experimentally. It was found that in order to maximize efficiency, cavity loss should be minimized while maximizing the aspect ratio of the gain region and the optical pump rate.
The Vision Dome: Fully immersive VR, in a simple, scaleable, and collaborative environment
Authors: Colucci D. , Balu S. , Dana P. , Idaszak R. , Knisley E. , Zobel R. 
Published: January 2005

AbstractA new concept in display environments combines the best attributes of high end simulators with boardroom flat screen projection systems to produce a fully immersive, portable, scalable and collaborative environment. A single, high resolution projector using a custom designed lens comprises the projection engine of the system. A set of software libraries specifically designed to replace the industry standard OpenGL libraries provides proper perspective images to be imaged using existing data. Lastly, the viewing screen is a domed, tent‐like structure that creates a spherical image surface in an extremely lightweight and portable package. The scalable system has been implemented in dome structures ranging from 8 m to 3 m in diameter.
Two‐Dimensional Optical Simulation Tool for Use in Microdisplay Analysis
Authors: Titus C. M. , Bos P. J. , Kelly J. R. 
Published: January 2005

AbstractOptical performance of small pixel structures utilized in liquid crystal microdisplays may be affected by diffraction and multidimensional variations in liquid crystal director orientation. Modeling such structures may require more robust computational methods than existing one‐dimensional techniques. We present an implementation of the Finite‐Difference Time‐Domain method suitable for analysis of these structures.
P‐411: The Analysis of the Electric‐Field Distortion and Abnormal Light‐Transmission Characteristics Due to Foreign Particles in IPS‐ and TN‐LCDS
Authors: Choo K. S. , Joo I. S. , Chung I. J. 
Published: January 2005

AbstractThe distortion of electric field and abnormal light transmission characteristics due to foreign particles were studied in IPS and TN mode TFT LCD. The dielectric and ionic particles with varying sizes were considered for the simulation according to their electric characteristics. The simulation shows that the foreign particle introduced into a pixel changes the electric fields within a pixel and affects the light transmission characteristics of the pixel. In both TN and IPS mode TFT LCD, the presence of the ionic particle affects the light transmittance a great deal.
The Investigation of Under‐twist Defect Near the Threshold in STN‐LCD
Authors: Li Shuxin , Bos Philip , Roman James , Judson Jon 
Published: January 2005

AbstractWe have investigated the under‐twist defect which occurs near theVthof a STN cell and analyzed key factors for the formation of this defect: surface alignment,d/pratio, LC material parameters. Based on the investigation, we suggested approaches to avoid this defect.
High‐Polymer‐Content Liquid‐Crystal/Liquid‐Crystalline‐Polymer (LC/LCP) Composite
Authors: Date Munekazu , Koshiishi Yoshie , Takeuchi Yoshie , Kato Kinya 
Published: January 2005

AbstractThe separation of LC and LCP regions based on the phase difference induced by photo polymerization was studied and analyzed using time resolving calorimetric measurement. Using an optimized temperature condition, microscopic patterns of LC‐ and LCP‐rich regions could be fabricated by optical patterning.
Patterned Field‐Induced Polymer Wall Formation in Nematic Liquid Crystal Displays
Authors: Magyar Gregory R. , West John L. , Taheri Bahman , Kim Yoan , Bodnar Volodymyr 
Published: January 2005

AbstractWe used patterned electric fields to produce polymer walls in twisted nematic (TN) and electrically controlled birefringence (ECB) displays. Application of a patterned field to a mixture of liquid crystal (LC) and monomer results in segregation of liquid crystal into the high field (pixel) regions and monomer into the low field (inter‐pixel) regions. Subsequent UV polymerization produces polymer walls surrounding the pixels. With proper selection of materials, uniform alignment of the liquid crystal can be obtained, resulting in good electro‐optic performance.
P‐51: Broken and Preservation of Symmetrical Viewing Angle in Film‐Compensated LCDS
Authors: Ong H. L. 
Published: January 2005

AbstractThe addition of single‐layer or multi‐layer optical compensation films in film‐compensated LCD's lowers the optical ordering and, in general changes symmetrical viewing zones to asymmetrical viewing zones. To preserve the symmetrical viewing properties, an optically identical set of films must be placed on both the entrance and exit substrates. We demonstrate this loss and preservation of symmetrical viewing angle using both computation results and geometrical arguments.
Characterization of the biaxiality of the Fuji‐Wide View film
Authors: Vermeirsch Koenraad , D'havé Koen , Verweire Bart 
Published: January 2005

AbstractThe measured conoscopic transmission plot of a single Fuji‐Wide View film (1) between crossed polarizers shows an asymmetric character which can not be explained by a twistless uniaxial birefringent compensation structure. Simulations point out the biaxial character of the Fuji‐Wide View film. Furthermore simulations show that the orientation change of the molecules in the discotic layer is rather quadratic instead of linear.
Experimental Investigation of Domain Wall Motion and Switching in Antiferroelectric Liquid Crystal Displays
Authors: Fornier J. , Pauwels H. , Zhang H. , Becherelli R. 
Published: January 2005

AbstractBy means of CCD‐camera pictures, the physical phenomenon behind switching in antiferroelectric liquid crystal displays is investigated. The addressing scheme of Nippondenso is used. During the line addressing period, fast homogeneous switching takes place. During the rest of the frame time under the holding voltage, slow domain wall motion takes place.
4.1: A 2.6‐in. DTV TFT‐LCD with Area‐Reduced Integrated 8‐bit Digital Data Drivers Using 400‐Mobility CGS Technology
Authors: Azami M. , Osame M. , Koyama J. , Ohtani H. , Yamazaki S. , Kubota Y. , Naka S. , Hijikigawa M. 
Published: January 2005

AbstractA 2.6‐in. M‐LCD DTV display with 1920 × 1080 pixels has been developed using 400‐mobility Continuous‐Grain‐Silicon CGS technology. An 8‐bit monolithic digital data driver with a new D/A converter achieves 256 gray‐scale levels. High‐mobility and low‐threshold voltage TFTs support 80‐MHz data rates at 5 V.